Numerical control milling machine with multi-stage cyclone centrifugal dust falling function

Abstract

The utility model relates to the technical field of multi-stage cyclone centrifugal dust fall, and discloses a numerical control milling machine with multi-stage cyclone centrifugal dust fall, which is characterized in that a clamping table is fixedly connected to the bottom of the inner side of a working cabin, a working table is fixedly connected to the rear side of the inner part of the working cabin, and a plurality of cylinders are communicated to the right side of the working cabin; the multiple cylinders are communicated through pipelines, a protective shell is arranged on the rear side of the middle cylinder, a fan is fixedly connected to the interior of the protective shell, an exhaust pipe is communicated with the rear side of the protective shell, discharging valves are fixedly connected to the bottoms of the multiple cylinders, and barrel body frames are fixedly connected to the outer walls of the multiple cylinders; according to the utility model, the synchronous treatment of dust and scraps in the machining process is realized, the dust concentration in a workshop is obviously reduced, and the scattering of metal scraps is reduced. Compared with the traditional single-stage design, the multi-stage cyclone dust removal structure can capture finer dust particles and improve the air quality.

Description

Technical Field

[0001] This utility model relates to the field of multi-stage cyclone centrifugal dust suppression technology, and in particular to a CNC milling machine with multi-stage cyclone centrifugal dust suppression. Background Technology

[0002] The CNC milling machine with multi-stage cyclone centrifugal dust suppression is an advanced metal processing equipment that integrates efficient dust removal and automated waste chip treatment. Through innovative structural design, this equipment deeply integrates the processing module of the traditional CNC milling machine with the environmental protection system, forming an intelligent production line that integrates milling, dust separation, and waste chip compression. Its core technology lies in the use of a multi-stage cyclone dust removal system, which achieves efficient capture of airborne dust particles through a series of centrifugal separation devices. At the same time, it is equipped with an automated waste chip treatment mechanism to collect and compress metal chips generated during processing in real time. This integrated design breaks through the limitations of traditional machine tools that only focus on processing accuracy. While ensuring the quality of workpiece processing, it significantly improves the workshop working environment and meets the requirements of modern industry for green manufacturing.

[0003] However, current CNC milling machines on the market generally suffer from insufficient environmental treatment efficiency and automation. Traditional equipment mostly adopts a single-stage cyclone dust removal structure, which only uses a single centrifugal device to treat dust-laden airflow, resulting in incomplete separation of fine dust. The purified air still contains inhalable pollutants. Its waste chip treatment system relies on manual cleaning or simple collection devices, and metal chips are scattered randomly during processing. Although some improved equipment is equipped with a compression mechanism, the single push rod design results in low compression efficiency and easy clogging. At the same time, it lacks automatic unloading function and requires manual intervention. The operation interface and monitoring system are independent, and it is impossible to adjust the dust removal power in real time, which affects efficiency and causes energy waste. Therefore, we propose a CNC milling machine with multi-stage cyclone centrifugal dust removal. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a CNC milling machine with multi-stage cyclone centrifugal dust suppression, aiming to improve the problems of insufficient dust removal system classification and low degree of automation in waste chip treatment in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a CNC milling machine with multi-stage cyclone centrifugal dust suppression, comprising a shell and a working chamber, characterized in that: a clamping table is fixedly connected to the bottom inner side of the working chamber; a worktable is fixedly connected to the rear inner side of the working chamber; multiple cylindrical bodies are connected to the right side of the working chamber, and the multiple cylindrical bodies are connected to each other by pipes; a protective shell is provided on the rear side of the middle cylindrical body; a fan is fixedly connected inside the protective shell; an exhaust pipe is connected to the rear side of the protective shell; a discharge valve is fixedly connected to the bottom of each of the multiple cylindrical bodies; a barrel frame is fixedly connected to the outer wall of each of the multiple cylindrical bodies; the bottom end of each barrel frame is fixedly connected to the left side of the bottom inner side of the shell; and an automatic compression mechanism is provided at the bottom of the working chamber, which is used to automatically collect and compress solid waste generated after milling operations, reducing the scattering of metal fragments during processing.

[0006] As a further description of the above technical solution:

[0007] The automatic compression mechanism includes a trapezoidal feed hopper, the top of which is fixedly connected to the bottom of the working chamber. A compression chamber is fixedly connected to the bottom of the trapezoidal feed hopper. An induction motor is fixedly connected to the top right side of the compression chamber. Push rods are slidably connected to the middle of the left and right sides of the compression chamber. Extrusion blocks are fixedly connected to adjacent sides of the two push rods. The induction motor is electrically connected to the two push rods. Baffles are rotatably connected to the bottom left and right ends of the compression chamber. A hopper support is fixedly connected to the outer wall of the trapezoidal feed hopper.

[0008] As a further description of the above technical solution:

[0009] The bottom of the outer casing is fixedly connected to a base, the top dimension of which matches the bottom dimension of the outer casing, and the base is trapezoidal in shape.

[0010] As a further description of the above technical solution:

[0011] The front center of the work compartment is slidably connected to a door, and both doors are fixedly connected to a handle on their front sides.

[0012] As a further description of the above technical solution:

[0013] The bottom of the outer casing is slidably connected to an ash hopper. The size of the multiple ash hoppers is matched with the bottom size of multiple discharge valves. The top of the multiple discharge valves is fixedly connected to a conical baffle. The interior of the multiple discharge valves is rotatably connected to a fan blade.

[0014] As a further description of the above technical solution:

[0015] The top two sides of the inner surface of the outer casing are fixedly connected to slide rails, and the bottom of the two slide rails are slidably connected to sliders. An inspection door is rotatably connected to the upper rear side of the outer casing.

[0016] As a further description of the above technical solution:

[0017] A CNC operating table is fixedly connected to the front right end of the outer shell, and a temperature and concentration integrated sensor is fixedly connected to the inside left side of the working chamber. The CNC operating table is electrically connected to the temperature and concentration integrated sensor.

[0018] As a further description of the above technical solution:

[0019] The protective shell is threaded with bolts at opposite corners, and the ends of both bolts are threaded with nuts.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, the suction force generated by the operation of the fan drives the dust-laden airflow in the working chamber into multiple interconnected cylindrical bodies. Centrifugal force is used in the cylindrical bodies to make the dust settle to the bottom discharge valve. The purified air is discharged from the exhaust pipe. At the same time, the solid waste generated by milling falls into the automatic compression mechanism, which automatically collects and compresses it, realizing the synchronous treatment of dust and waste during the processing. This significantly reduces the dust concentration in the workshop and reduces the scattering of metal fragments. Compared with the traditional single-stage design, the multi-stage cyclone dust removal structure can capture finer dust particles and improve air quality.

[0022] 2. In this utility model, the induction motor drives the double push rods to move the extrusion block in the compression chamber to extrude waste in both directions. The trapezoidal feed hopper guides the continuous feeding, and the hopper support enhances the structural stability of the feed hopper. After compression, the baffle automatically opens to unload the material, realizing the automated collection and efficient compression of metal waste. This significantly reduces the amount of metal scrap scattered on the processing site, lowers workshop cleaning costs, and facilitates centralized recycling of the compressed blocky waste, improving resource utilization. The dual push rod synchronous extrusion design significantly improves compression efficiency compared to the traditional single push rod structure. The induction motor has a built-in overload protection device to ensure safe and reliable operation of the equipment. Attached Figure Description

[0023] Figure 1 This is a perspective view of the CNC milling machine with multi-stage cyclone centrifugal dust suppression proposed in this utility model;

[0024] Figure 2 This is a front view of the CNC milling machine with multi-stage cyclone centrifugal dust suppression proposed in this utility model;

[0025] Figure 3This is a cross-sectional view of the working chamber and automatic compression mechanism of the CNC milling machine with multi-stage cyclone centrifugal dust suppression system proposed in this utility model.

[0026] Figure 4 This is a bottom view of the interior of the CNC milling machine with multi-stage cyclone centrifugal dust suppression system proposed in this utility model.

[0027] Figure 5 This is a cross-sectional view of the protective shell of the CNC milling machine with multi-stage cyclone centrifugal dust suppression proposed in this utility model;

[0028] Figure 6 This is a cross-sectional view of the cylindrical body in the CNC milling machine with multi-stage cyclone centrifugal dust suppression proposed in this utility model.

[0029] Legend:

[0030] 1. Outer shell; 2. Automatic compression mechanism; 201. Trapezoidal feed hopper; 202. Compression chamber; 203. Induction motor; 204. Extrusion block; 205. Push rod; 206. Baffle; 207. Hopper support; 3. Working chamber; 4. Clamping table; 5. Conical barrier; 6. Worktable; 7. Fan blade; 8. Bolt; 9. Nut; 10. Fan; 11. Cylindrical body; 12. Discharge valve; 13. Exhaust pipe; 14. Barrel frame; 15. Base; 16. Handle; 17. Slide rail; 18. Door; 19. Ash hopper; 20. Slider; 21. Inspection door; 22. CNC operating table; 23. Temperature and concentration integrated sensor; 24. Protective shell. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 2 , Figure 3 and Figure 5This utility model provides an embodiment of a CNC milling machine with multi-stage cyclone centrifugal dust suppression, comprising a housing 1 and a working chamber 3. The housing 1 provides overall protection and support. A clamping table 4 is fixedly connected to the bottom inner side of the working chamber 3 to fix the workpiece to be processed to ensure processing stability. A worktable 6 is fixedly connected to the rear inner side of the working chamber 3, providing an operating platform for the processing tools. Multiple cylindrical bodies 11 are connected to the right side of the working chamber 3. The cylindrical bodies 11 are the core components of the multi-stage cyclone centrifugal dust suppression system to achieve efficient dust suppression. The multiple cylindrical bodies 11 are connected by pipes, so that the dust suppression airflow forms a continuous flow path between the cylindrical bodies 11. A protective shell 24 is provided on the rear side of the middle cylindrical body 11, which protects the internal fan 10. For protection, a fan 10 is fixedly connected inside the protective shell 24. The fan 10 drives the dust-laden airflow into the dust suppression system by generating suction. An exhaust pipe 13 is connected to the rear side of the protective shell 24. The exhaust pipe 13 is used to discharge the purified air. The bottom of each of the multiple cylindrical bodies 11 is fixedly connected to a discharge valve 12. The discharge valve 12 facilitates the cleaning of solid particles collected during the dust suppression process. The outer walls of each of the multiple cylindrical bodies 11 are fixedly connected to a barrel frame 14. The barrel frame 14 provides structural support for the cylindrical bodies 11. The bottom of each barrel frame 14 is fixedly connected to the left side of the bottom of the inner side of the outer shell 1 to ensure that the entire dust suppression system is installed stably. The bottom of the working chamber 3 is equipped with an automatic compression mechanism 2. The automatic compression mechanism 2 can automatically collect and compress the solid waste generated during processing to reduce the scattering of metal fragments.

[0033] Specifically, the high-speed operation of the fan 10 generates negative pressure airflow, which drives the dust-laden airflow in the working chamber 3 to enter the multi-stage series of cylindrical bodies 11 through the right-side pipe. Centrifugal force is used to throw the dust particles against the cylinder wall and allow them to settle along the inner wall to the bottom discharge valve 12. The purified air is discharged through the exhaust pipe 13. The barrel frame 14 stabilizes the multiple cylindrical bodies 11 inside the outer shell 1. The conical baffle 5 at the top of the discharge valve 12 prevents debris from clogging the system. The internal fan blades 7 assist in the discharge of dust. The workpiece to be processed is fixed below the workbench 6 by the clamping table 4. The trapezoidal base 15 increases the contact area with the ground, ensuring the equipment remains stable during processing vibrations. This achieves efficient dust separation and intelligent control of the workshop environment during processing. The multi-stage cyclone dust removal structure significantly improves the ability to capture fine dust. The trapezoidal base 15 and the reinforcement structure ensure the stability of the equipment operation and reduce the impact of processing vibrations on accuracy.

[0034] Reference Figure 3The automatic compression mechanism 2 includes a trapezoidal feed hopper 201. The top of the trapezoidal feed hopper 201 is fixedly connected to the bottom of the working chamber 3. The trapezoidal feed hopper 201 is used to receive the waste chips generated by the milling machine operation and guide them to the compression chamber 202. The bottom of the trapezoidal feed hopper 201 is fixedly connected to the compression chamber 202, which provides a sealed space for compressing the waste chips. An induction motor 203 is fixedly connected to the top right side of the compression chamber 202, providing a power source for the compression action. Push rods 205 are slidably connected to the middle of the left and right sides of the compression chamber 202. The push rods 205 achieve horizontal reciprocating motion under the drive of the motor. An extrusion block 204 is fixedly connected to the adjacent side of the two push rods 205. The extrusion blocks 204 compress the waste chips by moving in opposite directions. The induction motor 203 and the two push rods 205 are connected to the compression chamber 202. The push rods 205 are electrically connected to ensure that the two push rods 205 move synchronously. The bottom left and right ends of the compression chamber 202 are rotatably connected to baffles 206. After compression, the baffles 206 automatically open to unload. The outer wall of the trapezoidal feed hopper 201 is fixedly connected to the hopper support 207, which enhances the structural stability of the trapezoidal feed hopper 201. The induction motor 203 drives the two push rods 205 to drive the extrusion block 204 to extrude the waste in the compression chamber 202 in both directions. With the guiding effect of the trapezoidal feed hopper 201, continuous feeding is achieved. After compression, the baffles 206 automatically unload. The hopper support 207 ensures the stability of the mechanism. The automated collection, compression and unloading of waste is realized, which effectively reduces the scattering of metal scraps on the processing site and improves the cleanliness of the workshop and production efficiency.

[0035] Specifically, the trapezoidal feed hopper 201 receives the waste falling from the bottom of the working chamber 3 and guides it to the compression chamber 202. Its trapezoidal structure increases the feed inlet area. The induction motor 203 drives the push rods 205 on both sides of the compression chamber 202 to move horizontally back and forth, causing the extrusion block 204 to extrude the waste in the chamber in both directions. The hopper support 207 enhances the structural strength of the trapezoidal feed hopper 201 to prevent deformation after long-term use. When the pressure inside the compression chamber 202 reaches the set value, the induction motor 203 stops working, and the bottom baffle 206 rotates and opens synchronously, releasing the compressed waste. The metal scrap falls into the ash hopper 19 by gravity. This mechanism realizes the automated collection and efficient compression of metal scrap. The opposing extrusion design of the double push rods 205 improves the compression efficiency. The volume matching of the trapezoidal feed hopper 201 and the compression chamber 202 ensures the continuity of processing. The automatic unloading function avoids manual intervention and reduces the scattering of metal scrap in the workshop. The hopper support 207 ensures the long-term stable operation of the mechanism. The airtight design of the compression chamber 202 prevents dust from overflowing. The overall structure realizes the full automation of the scrap treatment process through mechanical linkage, improving the cleanliness of the production site and the efficiency of resource recycling.

[0036] Reference Figure 1 , Figure 2 and Figure 6A base 15 is fixedly connected to the bottom of the outer casing 1, allowing the CNC milling machine to be placed stably on the ground. The top dimension of the base 15 matches the bottom dimension of the outer casing 1, ensuring a tight connection between the outer casing 1 and the base 15, making the entire structure more stable. The base 15 is trapezoidal in shape, increasing the contact area with the ground and further improving the stability and anti-tipping ability of the equipment. A door 18 is slidably connected to the front center of the working chamber 3, facilitating the operator to enter the working chamber 3 for workpiece clamping and debugging operations. Handles 16 are fixedly connected to the front of both doors 18, allowing the operator to open them by gripping the handles 16. The hatch 18 is opened and closed. A dust hopper 19 is slidably connected to the bottom of the inner shell 1 to collect dust and debris discharged from the discharge valve 12 for easy centralized cleaning. The size of multiple dust hoppers 19 matches the bottom size of multiple discharge valves 12 to ensure that dust and debris can fall accurately into the dust hopper 19 and avoid spillage. Conical baffles 5 are fixedly connected to the top of multiple discharge valves 12 to prevent larger debris from entering the discharge valves 12 and to provide protection. Fan blades 7 are rotatably connected inside multiple discharge valves 12. The rotation of the fan blades 7 helps dust and debris to be discharged smoothly from the discharge valves 12 and improves the discharge efficiency.

[0037] Specifically, the trapezoidal base 15, fixedly connected to the bottom of the outer shell 1, increases the contact area with the ground and rationally distributes the center of gravity of the equipment by matching the top and bottom dimensions of the outer shell 1. The door 18, slidably connected to the front center of the working chamber 3, is easily opened and closed by the handle 16. The ash hopper 19, slidably connected to the bottom inside the outer shell 1, ensures accurate dust falling by matching the bottom dimensions of the unloading valve 12. The conical barrier 5 fixed to the top of the unloading valve 12 prevents large debris from entering. The fan blade 7, rotatably connected inside, assists in dust discharge. This structure improves the stability of equipment operation. The trapezoidal base 15 reduces the impact of processing vibration on precision by increasing the support area. The design of the door 18 and handle 16 improves the efficiency of workpiece loading and unloading. The cooperation between the ash hopper 19 and the unloading valve 12 enables centralized dust collection. The combination of the conical barrier 5 and the fan blade 7 prevents pipe blockage and improves unloading efficiency. The overall structure, through size matching and mechanical linkage design, enhances the ease of operation and waste disposal capacity of the equipment, reduces maintenance frequency, and ensures production continuity.

[0038] Reference Figure 2 , Figure 4 and Figure 5The top two sides of the inner shell 1 are fixedly connected to slide rails 17, providing sliding tracks for sliders 20, allowing connected components to move smoothly. Slider 20 is slidably connected to the bottom of both slide rails 17. When the operator opens the inspection door 21, the slider 20 slides outward to support the inspection door 21. The inspection door 21 is rotatably connected to the upper rear side of the shell 1, facilitating access for inspection and maintenance. A CNC operating table 22 is fixedly connected to the front right end of the shell 1, allowing the operator to program, operate, and control the CNC milling machine, achieving automated processing. The work chamber 3... A temperature and concentration sensor 23 is fixedly connected to the left side of the interior of the working chamber 3, which can monitor the environmental parameters of temperature and dust concentration in real time. The CNC operating table 22 is electrically connected to the temperature and concentration sensor 23, which can transmit the data monitored by the sensor to the CNC operating table 22, so that the operator can grasp the environmental conditions in the working chamber 3 in time and make corresponding adjustments. Bolts 8 are threaded at the diagonal corners of the protective shell 24 to fix the fan 10 inside the protective shell 24 and prevent it from loosening. Nuts 9 are threaded at the ends of the two bolts 8 to further tighten the bolts 8, making the installation of the fan 10 inside the protective shell 24 more secure and reliable.

[0039] Specifically, the slide rails 17 fixedly connected to the top two sides inside the outer shell 1 provide a moving track for the slider 20 slidably connected to the bottom. The maintenance door 21 rotatably connected to the upper rear side of the outer shell 1 can be quickly opened for internal maintenance. The CNC operating table 22 fixedly connected to the right front side of the outer shell 1 is electrically connected to the temperature and concentration integrated sensor 23 on the left side inside the working chamber 3 to realize real-time monitoring and control of environmental parameters. The protective shell 24 is double-fastened at the diagonal by the threaded bolts 8 and the nuts 9 at the end to ensure the safety of the internal fan 10. This structure improves the convenience of equipment maintenance. The cooperation between the slide rails 17 and the slider 20 provides support for the maintenance door 21. The design of the maintenance door 21 reduces maintenance time. The linkage between the CNC operating table 22 and the temperature and concentration integrated sensor 23 realizes intelligent control of the processing environment. The double fastening of the bolts 8 and nuts 9 enhances the structural stability of the internal fan 10 of the protective shell 24. The whole system improves the level of intelligent operation of the equipment and the safety of core components through modular design and intelligent control technology, reduces the risk of failure caused by loose parts, and ensures the long-term stable operation of the equipment.

[0040] Working Principle: After the CNC milling machine with multi-stage cyclone centrifugal dust suppression is started, the centrifugal fan 10 rotates at high speed to generate directional negative pressure airflow, driving the dust-laden airflow in the working chamber 3 to enter the multi-stage series-connected cylindrical body 11 system through the right-side pipe. The cylindrical body 11 adopts a tapered structure to guide the airflow to form a spiral motion trajectory. Using centrifugal force, the dust particles are thrown towards the cylinder wall and settle along the inner wall to the bottom discharge valve 12. The purified air is discharged through the exhaust pipe 13. The barrel frame 14 is supported and welded to the bottom of the outer shell 1. The stability of the cylindrical body 11 under the impact of high-speed airflow is ensured by multi-point fixing. The conical barrier 5 at the top of the discharge valve 12 adopts an inverted cone design to effectively intercept large debris and prevent pipe blockage. The internal fan blades 7 assist in the discharge of dust by generating airflow through rotation. The temperature and concentration integrated sensor 23 monitors the environment in the working chamber 3 in real time. When the dust concentration reaches a preset threshold, the system automatically adjusts the speed of the fan 10 through an intelligent algorithm. The metal scrap generated during milling is collected and compressed in real time by the automatic compression mechanism 2 at the bottom of the working chamber 3. The trapezoidal base 15 is integrally formed with high-strength materials. Its trapezoidal structure is designed with optimized center of gravity to ensure that the equipment remains stable during high-speed milling vibration, realizing the integrated operation of processing, dust removal, and scrap treatment. The multi-stage cyclone dust removal structure significantly improves the fine dust capture capability compared with the traditional single-stage design. The trapezoidal base 15 effectively reduces vibration transmission. The sealing design of the chamber door 18 ensures zero dust leakage. When the equipment is running, the CNC operating console 22 displays the processing parameters and environmental data in real time. The monitoring data of the temperature and concentration integrated sensor 23 is transmitted to the central control system through the industrial network to realize the full digital management of the production process.

[0041] Furthermore, when the automatic compression mechanism 2 is working, the metal scraps generated from milling enter the compression chamber 202 through the trapezoidal feed hopper 201. The top of the trapezoidal feed hopper 201 is fixedly connected to the bottom of the working chamber 3. Its trapezoidal structure design increases the feed port area and forms a guide slope to ensure that the scraps slide smoothly into the compression chamber 202 under the action of gravity. The induction motor 203 installed at the top right side of the compression chamber 202 drives the push rods 205 on both sides to perform horizontal reciprocating motion through an electrical connection. When the extrusion blocks 204 at the front end of the push rods 205 move towards each other, they form a bidirectional synchronous extrusion action, compressing the scraps in the chamber into high-density blocks. The compressed scrap blocks fall into the lower ash hopper 19 through the discharge port under the action of gravity. The hopper support 207 The reinforced structure is welded to the outer wall of the trapezoidal feed hopper 201 to effectively disperse the impact load of waste chips and prevent structural deformation caused by long-term use. The mechanism adopts a synchronous drive design with double push rods 205, which significantly improves the compression efficiency. The volume matching design of the trapezoidal feed hopper 201 and the compression chamber 202 ensures continuous feeding capacity. The automatic compression mechanism 2 realizes full automation of waste chip collection, compression and unloading through mechanical linkage. The inner wall of the compression chamber 202 is treated with a low-friction coating to avoid metal particles from sticking together during compression. The induction motor 203 has a built-in overload protection device, which automatically stops the machine when abnormal resistance of the push rod 205 is detected, ensuring the safe operation of the equipment. The entire mechanism adopts a modular design, which can be quickly disassembled and maintained.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A CNC milling machine with multi-stage cyclone centrifugal dust suppression, comprising a housing (1) and a working chamber (3), characterized in that: A clamping platform (4) is fixedly connected to the bottom inner side of the working chamber (3), and a worktable (6) is fixedly connected to the rear inner side of the working chamber (3). Multiple cylindrical bodies (11) are connected to the right side of the working chamber (3), and the multiple cylindrical bodies (11) are connected to each other through pipes. A protective shell (24) is provided on the rear side of the middle cylindrical body (11), and a fan (10) is fixedly connected inside the protective shell (24). An exhaust pipe (13) is connected to the rear side of the protective shell (24). The bottom of each of the cylindrical bodies (11) is fixedly connected to a discharge valve (12), and the outer wall of each of the cylindrical bodies (11) is fixedly connected to a barrel frame (14). The bottom of each of the barrel frames (14) is fixedly connected to the left side of the bottom of the inner shell (1). The bottom of the working chamber (3) is provided with an automatic compression mechanism (2). The automatic compression mechanism (2) is used to automatically collect and compress the solid waste generated after the milling machine operation, thereby reducing the scattering of metal chips during the processing.

2. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The automatic compression mechanism (2) includes a trapezoidal feed hopper (201), the top of which is fixedly connected to the bottom of the working chamber (3). A compression chamber (202) is fixedly connected to the bottom of the trapezoidal feed hopper (201). An induction motor (203) is fixedly connected to the top right side of the compression chamber (202). Push rods (205) are slidably connected to the middle of the left and right sides of the compression chamber (202). Extrusion blocks (204) are fixedly connected to the adjacent sides of the two push rods (205). The induction motor (203) is electrically connected to the two push rods (205). Baffles (206) are rotatably connected to the bottom left and right ends of the compression chamber (202). A hopper support (207) is fixedly connected to the outer wall of the trapezoidal feed hopper (201).

3. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The bottom of the outer shell (1) is fixedly connected to a base (15), the top dimension of the base (15) matches the bottom dimension of the outer shell (1), and the base (15) is trapezoidal.

4. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The front middle of the working compartment (3) is slidably connected to a door (18), and a handle (16) is fixedly connected to the front of each of the two doors (18).

5. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The bottom of the outer shell (1) is slidably connected to a hopper (19). The size of the multiple hoppers (19) matches the bottom size of the multiple discharge valves (12). The top of the multiple discharge valves (12) is fixedly connected to a conical barrier (5). The inside of the multiple discharge valves (12) is rotatably connected to a fan blade (7).

6. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The top two sides of the inner shell (1) are fixedly connected to slide rails (17), and the bottom of the two slide rails (17) are slidably connected to sliders (20). The upper rear side of the shell (1) is rotatably connected to an inspection door (21).

7. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: A CNC operating table (22) is fixedly connected to the front right end of the outer shell (1), and a temperature and concentration integrated sensor (23) is fixedly connected to the inside left side of the working chamber (3). The CNC operating table (22) and the temperature and concentration integrated sensor (23) are electrically connected.

8. The CNC milling machine with multi-stage cyclone centrifugal dust suppression according to claim 1, characterized in that: The protective shell (24) is threaded with bolts (8) at opposite corners, and the ends of the two bolts (8) are threaded with nuts (9).

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