Method and device for conveniently observing state of machining process

By installing rotating windows and cleaning components on the machine tool, centrifugal force is used to shake off the coolant and divert the flow, the line of sight blocking problem caused by coolant spraying is solved, and the clear observation of the internal processing of the machine tool and the protection of the window are achieved, and the operation safety and equipment life are improved.

CN120347575APending Publication Date: 2025-07-22KANGLIDA AUTO PARTS (SUZHOU) CO LTD
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Patent Information

Application Number
CN202510710016.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

During the mechanical processing, coolant is sprayed onto the machine tool observation window, causing visual obstruction and blurring, affecting the operator's observation of the internal processing of the machine tool.

Method used

Install visual devices on the machine tool, including rotary windows and cleaning components, use centrifugal force to shake off the coolant and keep the windows clean through a cleaning brush, combined with the deflector to guide the coolant flow, the protective cover and fixing components ensure the protection and operation of the windows.

Benefits of technology

Ensure the transparency of the window, and operators can clearly observe the processing situation without entering the processing range, improve the service life and safety of the window, and reduce window wear and pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of machining equipment, in particular to a method and device for conveniently observing the state of the machining process, the device comprises a machine tool, a visual device is installed on the machine tool, the visual device comprises a mounting plate, and a rotating window is installed on the mounting plate; a cleaning and protecting assembly for cleaning and protecting the rotary window is mounted on the mounting plate, the cleaning and protecting assembly comprises a rotating shaft, the rotating shaft penetrates through the mounting plate and is rotatably mounted on the mounting plate, and a protective cover for covering and protecting the rotary window is mounted on the rotating shaft. The protective cover is arranged at the end, located on the outer side of the machine tool, of the rotating shaft, and a fixing assembly for fixing the protective cover is installed on the rotating shaft. The end, located on the inner side of the machine tool, of the rotating shaft is connected with a cleaning brush for cleaning the rotating window. The method and the device have the effect of improving the convenience of the method and the device for conveniently observing the state of the machining process in the operation process.
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Description

Technical Field

[0001] This application relates to the technical field of machining equipment, and in particular, to a method and device for facilitating the observation of the machining process state. Background Art

[0002] In the field of mechanical processing production, coolant is usually used during machining. When using coolant, the coolant will be sprayed and splashed onto the observation window of the machine tool, blocking the operator's line of sight and hindering the observation of the machining process inside the machine tool. And when the coolant stays on the observation window and the water in the coolant evaporates on the observation window, the coolant will leave marks on the observation window, making the observation window blurred, affecting the operator's line of sight and making it inconvenient to observe the machining situation inside the machine tool. Summary of the Invention

[0003] In order to improve the convenience of observing the machining process state, this application provides a method and device for facilitating the observation of the machining process state.

[0004] This application provides a device for facilitating the observation of the machining process state, adopting the following technical solution: A method and device for facilitating the observation of the machining process state, including a machine tool, a visual device is installed on the machine tool. The visual device includes a mounting plate, the mounting plate is installed on the machine tool, a rotating window is installed on the mounting plate, and a cleaning and protection component for cleaning and protecting the rotating window is installed on the mounting plate. The cleaning and protection component includes a rotating shaft, the rotating shaft passes through the mounting plate and is rotatably installed on the mounting plate. A protection cover for covering and protecting the rotating window is installed on the rotating shaft. The protection cover is arranged at one end of the rotating shaft outside the machine tool, and a fixing component for fixing the protection cover is installed on the rotating shaft; one end of the rotating shaft inside the machine tool is connected with a cleaning brush for cleaning the rotating window.

[0005] By adopting the above technical solution, the mounting plate is installed on the machine tool, and the machining process inside the machine tool is observed through the window component, so that the operator can clearly and effectively observe the machining situation of the workpiece inside the equipment without entering the machining range of the machining machine tool, ensuring the safety of the operator; the cleaning and protection component keeps the window component clean during use and protects the window component when not in use, which is beneficial to improving the service life of the visual device and enhancing the performance of the visual device. When the machine tool is performing mechanical processing and the coolant is splashed onto the rotating window, the rotating glass part of the rotating window rotates and uses the centrifugal force to throw the splashed coolant away from the rotating window, thereby ensuring the transparency of the window and facilitating the operator to observe the machining situation inside the machine tool.

[0006] In a specific feasible implementation, a second rocker is connected to one end of the rotating shaft located inside the machine tool. A fixing block is installed on the mounting plate. A first rocker is rotatably installed on the fixing block. One end of the second rocker away from the rotating shaft is hinged to a connecting rod. The connecting rod is hinged to the first rocker. The cleaning brush is installed on the connecting rod.

[0007] By adopting the above technical solution, the rotating shaft drives the second rocker to rotate, and the second rocker pushes the connecting rod to move, so that the cleaning brush can wipe the rotating window with the first rocker as the radius, which is convenient to control the movement range of the cleaning brush within the range of the rotating window and can conveniently control the movement range of the cleaning brush.

[0008] In a specific feasible implementation, an adjustment groove is formed in the second rocker. An adjustment block is slidably installed on the second rocker through the adjustment groove. The adjustment block is hinged to the connecting rod. A locking rod is threadedly connected to the connecting block. The locking rod abuts against the second rocker.

[0009] By adopting the above technical solution, when replacing the rotating windows of different sizes on the connecting plate, rotate the locking rod to unlock the adjustment block, and drag the adjustment block to slide along the adjustment groove on the second rocker, so as to adjust the swing range of the cleaning brush according to the size of the rotating window, so that the cleaning brush can effectively clean the rotating window, and at the same time prevent the wiping range of the cleaning brush from being too large, increasing the wear of the cleaning brush, which is beneficial to improving the service life of the cleaning brush.

[0010] In a specific feasible implementation, the fixing assembly includes a sliding rod. The sliding rod is slidably installed inside the rotating shaft. A rotating handle is installed at one end of the rotating shaft located outside the machine tool. A sliding groove is formed in the rotating handle. A pushing block for pushing the sliding rod to move is slidably installed in the sliding groove; an installation groove is formed in the rotating shaft. One end of the sliding rod away from the pushing block is connected to a spring. The other end of the spring is connected to the rotating shaft. A guiding frame is installed on the rotating shaft. The guiding frame is arranged in the installation groove. A locking block is slidably installed on the guiding frame. A push rod is hinged to the sliding rod. One end of the push rod away from the sliding rod is hinged to the locking block. A first positioning groove for positioning and covering the protective cover on the rotating window is formed on the mounting plate in cooperation with the locking block. A second positioning groove for positioning and docking the protective cover beside the rotating window is formed on the mounting plate in cooperation with the locking block.

[0011] By adopting the above technical solution, the pushing block is used to push the sliding rod, and the sliding rod pushes the locking block to insert into the first positioning groove or the second positioning groove to quickly position and fix the protective cover, and the spring force is used for returning, which is convenient for opening and closing the rotating window.

[0012] In a specific feasible implementation, a beveled surface is provided at one end of the pushing block close to the sliding rod, and a beveled surface is also provided at one end of the sliding rod close to the pushing block, and the beveled surface of the pushing block is in contact with the beveled surface of the sliding rod.

[0013] By adopting the above technical solution, the sliding rod and the pushing block are in contact through the beveled surfaces. When the pushing block and the sliding rod move relative to each other, the thrust generated by the beveled surfaces can quickly and directly push the sliding rod, and the pushing method is direct and efficient.

[0014] In a specific feasible implementation, a connecting plate is installed on the mounting plate, the rotating window is installed on the connecting plate, a diversion plate is installed on the connecting plate, the diversion plate is set as an arc-shaped plate and both ends of the arc-shaped plate are arranged downward, the diversion plate includes an inner plate and an outer plate, the inner plate is connected to the connecting plate, and the inner plate and the outer plate are connected in an A-shaped manner.

[0015] By adopting the above technical solution, the coolant above the rotating window can be blocked by the diversion plate, preventing the coolant from splashing onto the top of the machine tool and polluting the machine tool, and also facilitating the coolant above the rotating window to flow back into the machine tool again.

[0016] In a specific feasible implementation, a guiding groove is provided on the connecting plate, the guiding groove is set as an arc-shaped groove and both ends of the arc-shaped groove are arranged downward, and the guiding groove is provided between the inner plate and the rotating window.

[0017] By adopting the above technical solution, the coolant on the inner plate flows along the plate wall of the inner plate into the guiding groove and then flows back into the machine tool from the guiding groove, so that a large amount of coolant avoids the rotating window and flows back into the machine tool, preventing a large amount of coolant from flowing through the inner wall of the machine tool past the rotating window and increasing the workload of the rotating window.

[0018] In a specific feasible implementation, a guiding channel is connected to one end of the outer plate away from the connection with the inner plate.

[0019] By adopting the above technical solution, the coolant on the outer plate flows along the plate wall of the outer plate into the guiding channel and then falls back into the machine tool from the guiding channel, reducing the coolant passing through the rotating window.

[0020] In summary, the present application includes at least one of the following beneficial technical effects: 1. Install the mounting plate on the machine tool. Observe the machining process inside the machine tool through the viewing window assembly, enabling the operator to clearly and effectively observe the workpiece machining inside the equipment without entering the machining range of the machine tool, ensuring the safety of the operator. The cleaning and protection assembly maintains the cleanliness of the viewing window assembly during use and protects the viewing window assembly when not in use, which is beneficial to improving the service life of the visual device and enhancing its performance. When the coolant splashes onto the rotating window during machining, the rotating glass part of the rotating window rotates and uses the centrifugal force to throw off the splashed coolant from the rotating window, thus ensuring the transparency of the window and facilitating the operator to observe the machining situation inside the machine tool.

[0021] 2. Through the setting of the fixing assembly, use the push block to push the sliding rod, and the sliding rod pushes the locking block to insert into the first positioning groove or the second positioning groove to quickly position and fix the protective cover, and return by the elastic force of the spring, which is convenient for opening and closing the rotating window. Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the visual device according to an embodiment of the present application.

[0023] Figure 2 It shows the installation position relationship of the visual device according to an embodiment of the present application on the machine tool.

[0024] Figure 3 It is a schematic diagram of the deflector according to an embodiment of the present application.

[0025] Figure 4 It is a cross-sectional view of the deflector according to an embodiment of the present application.

[0026] Figure 5 It is a schematic diagram of the cleaning and protection assembly located outside the machine tool according to an embodiment of the present application.

[0027] Figure 6 It is a cross-sectional view of the rotating shaft according to an embodiment of the present application.

[0028] Figure 7 It shows the schematic diagram of the opening position relationship of the first positioning groove and the second positioning groove according to an embodiment of the present application.

[0029] Figure 8 It is a schematic diagram of the cleaning and protection assembly located inside the machine tool according to an embodiment of the present application.

[0030] Figure 9 It shows the schematic diagram of the connection relationship between the connecting rod and the second rocker according to an embodiment of the present application.

[0031] Reference numerals: 1, machine tool; 2, visual device; 21, mounting plate; 22, window assembly; 221, connecting plate; 2211, guiding groove; 222, rotating window; 223, deflector; 2231, inner plate; 2232, outer plate; 2233, guiding channel; 23, cleaning and protecting assembly; 231, rotating shaft; 2311, turning handle; 2312, sliding groove; 2313, mounting groove; 232, first connecting block; 233, protective cover; 234, fixing assembly; 2341, sliding rod; 2342, pushing block; 2343, spring; 2344, push rod; 2345, guiding frame; 2347, locking block; 2348, first positioning groove; 2349, second positioning groove; 235, fixing block; 236, first rocker; 237, second rocker; 2371, adjusting groove; 2372, adjusting block; 2373, locking rod; 238, connecting rod; 2381, cleaning brush. Detailed implementation manners

[0032] The following further elaborates on this application in conjunction with the attached Figures 1-9 drawings.

[0033] Embodiment: The embodiment of this application discloses a device for facilitating the observation of the machining process state. Referring to Figure 1 and Figure 2 , it includes a machine tool 1, on which a visual device 2 is installed. The visual device 2 includes a mounting plate 21, the mounting plate 21 is fixedly installed on the machine tool 1, and a window assembly 22 and a cleaning and protecting assembly 23 are arranged on the mounting plate 21. In this embodiment, the visual device 2 is widely applicable, and the machine tool 1 can include various types of equipment such as numerical control grinding machines, milling machines, lathes, hobbing machines, and machining centers.

[0034] The mounting plate 21 is installed on the machine tool 1, and the machining process inside the machine tool 1 is observed through the window assembly 22 on the mounting plate 21, enabling the operator to clearly and effectively observe the machining situation of the workpiece inside the equipment without entering the machining range of the machining machine tool 1, ensuring the safety of the operator; the cleaning and protecting assembly 23 keeps the window assembly 22 clean during use and protects the window assembly 22 when not in use, which is beneficial to improving the service life of the visual device 2 and enhancing the performance of the visual device 2.

[0035] Referring to Figure 3 and Figure 4, the window assembly 22 includes a connecting plate 221, the connecting plate 221 is fixedly installed on the mounting plate 21, and a rotating window 222 is fixedly installed on the connecting plate 221. In this embodiment, the rotating window 222 is a prior art, and the embodiments of the present application will not be elaborated. A deflector plate 223 is fixedly installed on the connecting plate 221. The deflector plate 223 is arranged above the rotating window 222. The deflector plate 223 is arranged as an arc-shaped plate and both ends of the arc-shaped plate are installed downward. The deflector plate 223 includes an inner side plate 2231 and an outer side plate 2232. The inner side plate 2231 is fixedly connected to the connecting plate 221. The inner side plate 2231 and the outer side plate 2232 are arranged in an A shape. A guiding channel 2233 is fixedly installed at one end of the outer side plate 2232 away from the connection with the inner side plate 2231. Buffer cotton is installed on the side walls of the inner side plate 2231 and the outer side plate 2232 on the side close to the rotating window 222. A guiding groove 2211 is opened on the connecting plate 221. The guiding groove 2211 is arranged between the deflector plate 223 and the rotating window 222. The guiding groove 2211 is arranged as an arc-shaped groove, and both ends of the arc-shaped groove are arranged vertically downward.

[0036] When the machine tool 1 is performing machining, when the coolant splashes onto the rotating window 222, the rotating glass part of the rotating window 222 rotates and uses the centrifugal force to throw off the coolant splashed on it from the rotating window 222, thereby ensuring the transparency of the window and facilitating the operator to observe the machining situation inside the machine tool 1. When the rotating window 222 is working, the deflector plate 223 blocks the coolant above the rotating window 222, buffers the coolant through the buffer cotton, so that the coolant on the inner side plate 2231 flows along the plate wall of the inner side plate 2231 into the guiding groove 2211 and reflows into the machine tool 1 from the guiding groove 2211. The coolant on the outer side plate 2232 flows along the plate wall of the outer side plate 2232 into the guiding channel 2233 and re-falls into the machine tool 1 from the guiding channel 2233. The guiding groove 2211 and the guiding channel 2233 guide the coolant above the rotating window 222, so that a large amount of coolant avoids the rotating window 222 and reflows into the machine tool 1, preventing a large amount of coolant from flowing through the inner wall of the machine tool 1 through the rotating window 222 and increasing the workload of the rotating window 222.

[0037] Refer to Figure 5 and Figure 6 , the cleaning and protecting assembly 23 includes a rotating shaft 231. The rotating shaft 231 passes through the mounting plate 21 and is rotatably connected to the mounting plate 21. A rotating handle 2311 is fixedly installed at one end of the rotating shaft 231 located outside the machine tool 1. A first connecting block 232 is fixedly installed on the rotating shaft 231. The first connecting block 232 is arranged between the rotating handle 2311 and the mounting plate 21. A protective cover 233 is detachably installed on the first connecting block 232 by screws. A fixing assembly 234 for fixing the protective cover 233 is installed on the rotating shaft 231.

[0038] Reference Figure 5 , Figure 6 and Figure 7 , the fixing component 234 includes a sliding rod 2341. The sliding rod 2341 is concentrically arranged with the rotating shaft 231 and is slidably installed in the rotating shaft 231. A chute 2312 is formed on the rotating handle 2311. The rotating handle 2311 slidably installs a pushing block 2342 for driving the sliding rod 2341 to slide through the chute 2312. An inclined surface is formed at one end of the pushing block 2342 close to the sliding rod 2341. An inclined surface is also formed on one side of the sliding rod 2341 close to the pushing block 2342. The sliding rod 2341 and the pushing block 2342 are in contact at the position of the inclined surface. An installation groove 2313 is formed on the rotating shaft 231. One end of the sliding rod 2341 away from the pushing block 2342 extends into the installation groove 2313. A spring 2343 is fixedly connected to one end of the sliding rod 2341 away from the pushing block 2342. One end of the spring 2343 away from the sliding rod 2341 is fixedly connected to the rotating shaft 231. A push rod 2344 is hinged to one end of the sliding rod 2341 away from the pushing block 2342. A guide frame 2345 is fixedly installed in the installation groove 2313 of the rotating shaft 231. A locking block 2347 is slidably installed on the guide frame 2345. One end of the push rod 2344 away from the sliding rod 2341 is hinged to the locking block 2347. A first positioning groove 2348 for positioning and covering the protective cover 233 on the rotary window 222 is formed on the mounting plate 21. A second positioning groove 2349 for positioning and docking the protective cover 233 on one side of the rotary window 222 is formed on the mounting plate 21.

[0039] When the machine tool 1 stops working, rotate the rotating handle 2311 to rotate the protective cover 233 to the position covering the rotary window 222. At this time, push the pushing block 2342 to move towards the sliding rod 2341. Through the action of the inclined surface, the sliding rod 2341 moves towards the locking block 2347 and compresses the spring 2343. The sliding rod 2341 drives the push rod 2344 to move. The push rod 2344 pushes the locking block 2347 to slide on the guide frame 2345, so as to push the locking block 2347 into the first positioning groove 2348 to fix the protective cover 233, make the protective cover 233 cover on the rotary window 222 and stay, cover and protect the rotary window 222, and ensure that the part of the rotary window 222 located outside the machine tool 1 is always in a clear state.

[0040] When it is necessary to observe the machining state inside the machine tool 1 during its operation, the push block 2342 is pushed in the direction away from the slide bar 2341. The slide bar 2341 moves away from the locking block 2347 under the action of the spring 2343, and the slide bar 2341 drives the locking block 2347 to disengage from the first positioning groove 2348. The handle 2311 is rotated counterclockwise. When the protective cover 233 is rotated to the right of the rotating viewing window 222, the push block 2342 is pushed to make the locking block 2347 extend into the second positioning groove 2349, and the protective cover 233 is fixed again, so that the protective cover 233 stays beside the rotating viewing window 222, facilitating the operator to observe the inside of the machine tool 1 through the rotating viewing window 222 and also facilitating subsequent covering of the rotating viewing window 222.

[0041] Refer to Figure 6 and Figure 8 On the mounting plate 21, a fixed block 235 is fixedly installed. A first rocker 236 is rotatably installed on the fixed block 235. One end of the rotating shaft 231 located inside the machine tool 1 is fixedly connected to a second rocker 237. One end of the second rocker 237 away from the rotating shaft 231 is hinged to a connecting rod 238. One end of the connecting rod 238 away from the second rocker 237 is hinged to the first rocker 236. A cleaning brush 2381 is fixedly installed at the position where the connecting rod 238 is connected to the first rocker 236.

[0042] Refer to Figure 6 and Figure 9 On the second rocker 237, an adjustment groove 2371 is formed. The adjustment groove 2371 is arranged as a T-shaped groove. An adjustment block 2372 is slidably installed on the second rocker 237 through the adjustment groove 2371. The adjustment block 2372 is arranged as a T-shaped block adapted to the adjustment groove 2371. The adjustment block 2372 is hinged to the connecting rod 238. A locking rod 2373 is threadedly connected to the adjustment block 2372, and the locking rod 2373 passes through the adjustment block 2372 and abuts against the second rocker 237.

[0043] Refer to Figure 5 and Figure 8When the rotary window 222 needs to be used, rotate the turning handle 2311 counterclockwise to control the protective cover 233 to turn away from the rotary window 222. The turning handle 2311 drives the rotating shaft 231 to rotate, the rotating shaft 231 drives the second rocker 237 to rotate, the second rocker 237 pulls the connecting rod 238 to move, and the connecting rod 238 pushes the cleaning brush 2381 and the first rocker 236 to swing, so that the cleaning brush 2381 wipes the side of the rotary window 222 inside the machine tool 1. When the turning handle 2311 drives the protective cover 233 to rotate counterclockwise to the side of the rotary window 222 and is fixed, the second rocker 237 is just in the vertical state and the end connected to the connecting rod 238 is at the lowest position, so that the second rocker 237 can pull the connecting rod 238 to drive the cleaning brush 2381 to stay beside the rotary window 222, preventing the cleaning brush 2381 from interfering with the viewing field of the rotary window 222, facilitating the operator to wipe the rotary window 222 inside the machine tool 1 while opening the protective cover 233 outside the machine tool 1, removing the water stains on the rotary window 222, increasing the transparency of the rotary window 222, and facilitating the operator to observe the machining process state inside the machine tool 1.

[0044] Refer to Figure 8 and Figure 9 When replacing the rotary window 222 of different sizes on the connecting plate 221, turn the locking rod 2373 to unlock the adjusting block 2372, and drag the adjusting block 2372 to slide along the adjusting groove 2371 on the second rocker 237, so as to adjust the swinging range of the cleaning brush 2381 according to the size of the rotary window 222, enabling the cleaning brush 2381 to effectively clean the rotary window 222, while preventing the wiping range of the cleaning brush 2381 from being too large, increasing the wear of the cleaning brush 2381, and being beneficial to improving the service life of the cleaning brush 2381.

[0045] This application also provides a method for facilitating the observation of the machining process state. Refer to Figure 5 and Figure 8 , including the following steps: When the machine tool 1 stops working, use the protective cover 233 to cover and protect the rotary window 222 to ensure the transparency of the rotary window 222 outside the machine tool 1; When the machine tool 1 needs to observe the machining process state during operation, rotate the turning handle 2311 to make the protective cover 233 turn away from the rotary window 222. At the same time, the turning handle 2311 controls the second rocker 237 to rotate, and the second rocker 237 pushes the connecting rod 238 to drive the cleaning brush 2381 to move to wipe and clean the rotary window 222 inside the machine tool 1 to ensure the transparency of the inside of the rotary window 222.

[0046] When the rotating window 222 is working, the rotating window 222 uses centrifugal force to throw off the coolant splashed on it, increasing the transparency of the rotating window 222. The guide grooves 2211 and the guide channels 2233 conduct the coolant above the rotating window 222 to prevent the coolant from flowing through the inner wall of the machine tool 1 past the rotating window 222 and increasing the workload of the rotating window 222.

[0047] The implementation principle of the embodiment of the present application is as follows: The mounting plate 21 is installed on the machine tool 1, and the machining process inside the machine tool 1 is observed through the window assembly 22 on the mounting plate 21. When the coolant splashes onto the rotating window 222, the rotating glass part of the rotating window 222 rotates and uses the action of centrifugal force to throw off the coolant splashed on it from the rotating window 222, thereby ensuring the transparency of the window and enabling the operator to clearly and effectively observe the machining situation of the workpiece inside the equipment without entering the machining range of the machine tool 1, ensuring the safety of the operator; when the operator opens the outer protective cover 233 of the machine tool 1, the inner side of the machine tool 1 wipes the rotating window 222 to remove the water stains on the rotating window 222, increasing the transparency of the rotating window 222. The cleaning and protection assembly 23 maintains the cleanliness of the window assembly 22 during use and protects the rotating window 222 when not in use, which is beneficial to improving the service life of the rotating window 222 and enhancing the performance of the visual device 2.

[0048] The above are all the preferred embodiments of the present application. The protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A device for facilitating the observation of the machining process state, comprising a machine tool (1), characterized in that: A visual device (2) is installed on the machine tool (1). The visual device (2) includes a mounting plate (21). The mounting plate (21) is installed on the machine tool (1). A rotating window (222) is installed on the mounting plate (21). A cleaning and protecting component (23) for cleaning and protecting the rotating window (222) is installed on the mounting plate (21). The cleaning and protecting component (23) includes a rotating shaft (231). The rotating shaft (231) passes through the mounting plate (21) and is rotatably installed on the mounting plate (21). A protective cover (233) for covering and protecting the rotating window (222) is installed on the rotating shaft (231). The protective cover (233) is arranged at one end of the rotating shaft (231) located outside the machine tool (1). A fixing component (234) for fixing the protective cover (233) is installed on the rotating shaft (231). One end of the rotating shaft (231) located inside the machine tool (1) is connected with a cleaning brush (2381) for cleaning the rotating window (222).

2. The device for facilitating the observation of the machining process state according to claim 1, wherein: One end of the rotating shaft (231) located inside the machine tool (1) is connected with a second rocker (237). A fixing block (235) is installed on the mounting plate (21). A first rocker (236) is rotatably installed on the fixing block (235). One end of the second rocker (237) far from the rotating shaft (231) is hinged with a connecting rod (238). The connecting rod (238) is hinged with the first rocker (236). The cleaning brush (2381) is installed on the connecting rod (238).

3. The device for facilitating the observation of the machining process state according to claim 2, characterized in that: An adjusting groove (2371) is formed in the second rocker (237). An adjusting block (2372) is slidably installed on the second rocker (237) through the adjusting groove (2371). The adjusting block (2372) is hinged with the connecting rod (238). A locking rod (2373) is threadedly connected to the adjusting block (2372). The locking rod (2373) abuts against the second rocker (237).

4. The device for facilitating the observation of the machining process state according to claim 1, wherein: The fixed component (234) includes a sliding rod (2341) which is slidably installed in the rotating shaft (231). A turning handle (2311) is installed at one end of the rotating shaft (231) located outside the machine tool (1). A chute (2312) is formed in the turning handle (2311), and a push block (2342) for pushing the sliding rod (2341) to move is slidably installed in the chute (2312). An installation groove (2313) is formed in the rotating shaft (231). One end of the sliding rod (2341) away from the push block (2342) is connected with a spring (2343), and the other end of the spring (2343) is connected with the rotating shaft (231). A guiding frame (2345) is installed on the rotating shaft (231), and the guiding frame (2345) is arranged in the installation groove (2313). A locking block (2347) is slidably installed on the guiding frame (2345). A push rod (2344) is hinged to the sliding rod (2341), and one end of the push rod (2344) away from the sliding rod (2341) is hinged to the locking block (2347). A first positioning groove (2348) for positioning and covering the protective cover (233) on the rotating window (222) is formed in the mounting plate (21) in cooperation with the locking block (2347). A second positioning groove (2349) for positioning and docking the protective cover (233) beside the rotating window (222) is formed in the mounting plate (21) in cooperation with the locking block (2347).

5. The device for facilitating the observation of the machining process state according to claim 4, wherein: An inclined plane is formed at one end of the push block (2342) close to the sliding rod (2341), and an inclined plane is also formed at one end of the sliding rod (2341) close to the push block (2342). The inclined planes of the push block (2342) and the sliding rod (2341) are in abutment with each other.

6. The device for facilitating the observation of the machining process state according to claim 1, characterized in that: A connecting plate (221) is installed on the mounting plate (21). The rotating window (222) is installed on the connecting plate (221). A diversion plate (223) is installed on the connecting plate (221). The diversion plate (223) is arranged as an arc-shaped plate with both ends of the arc-shaped plate extending downward. The diversion plate (223) includes an inner plate (2231) and an outer plate (2232). The inner plate (2231) is connected with the connecting plate (221), and the inner plate (2231) and the outer plate (2232) are connected in an A-shaped configuration.

7. The device for facilitating the observation of the machining process state according to claim 6, wherein: A guiding groove (2211) is formed in the connecting plate (221). The guiding groove (2211) is arranged as an arc-shaped groove with both ends of the arc-shaped groove extending downward. The guiding groove (2211) is arranged between the inner plate (2231) and the rotating window (222).

8. The device for facilitating the observation of the machining process state according to claim 6, characterized in that: One end of the outer plate (2232) away from the connection with the inner plate (2231) is connected with a guiding channel (2233).

9. A method for facilitating the observation of the machining process state, based on the device for facilitating the observation of the machining process state according to any one of claims 1-8, characterized in that , including the following steps: When the machine tool (1) stops working, rotate the protective cover (233) to the position of the rotary window (222) for covering protection to ensure the transparency of the rotary window (222) on the outside of the machine tool (1). When observing the machining process state inside the machine tool (1), turn the turning handle (2311) to make the protective cover (233) turn away from the rotary window (222). At the same time, the turning handle (2311) controls the movement of the cleaning brush (2381) to wipe and clean the rotary window (222) on the inner side of the machine tool (1) to ensure the transparency of the inner side of the rotary window (222). When the rotary window (222) is working, the rotary window (222) uses centrifugal force to throw off the coolant splashed on it, increasing the transparency of the rotary window (222). The guide groove (2211) and the guide channel (2233) conduct the coolant above the rotary window (222).