Dust removal device for numerical control machine tool

Abstract

The dust removal device for the numerical control machine tool comprises an equipment cabinet, a placement table, a protective cover, an operation hole, a feeding port, a sliding door, an electric telescopic rod, a protective shell and the like, a dust falling mechanism and a dust suction mechanism are arranged on a supporting plate, and in the using process, the dust falling mechanism and the dust suction mechanism are arranged on the supporting plate; according to the numerical control machine tool, the dust falling mechanism and the dust suction mechanism can work along with the milling cutter, and when the numerical control machine tool machines parts through the milling cutter, the dust falling mechanism can spray water to the area nearby machining, so that most of dust and smoke generated during machining fall down and cannot fly out of the machine tool; according to the numerical control machine tool, dust and smoke in a machining nearby area and floating to the position above the machining area can be sucked away for dust removal, so that a large amount of dust and smoke generated in the milling process are removed while the numerical control machine tool works, and harm to a human body is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical equipment, in particular to a dust removal device for a numerically controlled machine tool. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. It is a mechatronic equipment that can automatically process parts according to the shape and size required by the drawing by sending various control signals through the CNC device through calculation processing. When processing parts, CNC machine tools use milling cutters to mill parts. The milling process usually generates a large amount of dust and smoke discharged into the air, which will cause varying degrees of harm to the human body. Therefore, CNC machine tools need to be equipped with dust removal devices to reduce dust and smoke in the air when working.

[0003] A dust removal device for CNC machine tools with announcement number "CN208695714U" includes a base, rollers, telescopic rods, a control panel, a dust removal device, a dust suction port, a controller, a water tank, a rotating connector, a rotating tube, a water pipe, a through pipe, a spray head, a motor, a cleaning turntable and a push rod. A roller is arranged at the bottom of the base, the telescopic rod is fixedly arranged on the upper surface of the base, a control panel is arranged on the telescopic rod, the dust removal device is fixedly arranged on the top side wall of the telescopic rod, and a dust suction port is arranged at the bottom of the dust removal device. The device has a simple structure and is easy to operate. It has dust suction and water spray cleaning functions, is convenient for rapid dust removal of CNC machine tools, has high dust removal efficiency, can perform dust removal on different CNC machine tools according to the needs of staff, reduces the purchase loss of the dust removal device, is suitable for CNC machine tools of different heights, and has strong practicality.

[0004] However, the above device still has the following problems during implementation: The above-mentioned dust removal device can only remove dust when the CNC machine tool stops milling. It can only remove the dust left on the CNC machine tool, but cannot remove the smoke and dust generated by milling when the CNC machine tool is working. This will cause a large amount of dust and smoke generated by the CNC machine tool during the milling process to be discharged into the air, which will still cause varying degrees of harm to the human body. Summary of the invention

[0005] The object of the present invention is to provide a dust removal device for a numerically controlled machine tool to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: A dust removal device for a numerically controlled machine tool, comprising an equipment cabinet, a placing table fixedly arranged on the equipment cabinet, a protective cover fixedly arranged on the placing table, an operation hole opened on the top of the protective cover, a feed port opened on one side of the protective cover, two sliding doors slidably arranged on the protective cover at the feed port, two electric telescopic rods fixedly and symmetrically arranged on the placing table, and parts movably placed between the two electric telescopic rods; The protective cover is respectively fixed with protective shells on both sides of the operating hole, and two electric threaded rods 1 are symmetrically rotatably arranged inside each of the protective shells, and each of the electric threaded rods 1 is threadedly sleeved with a slider 1, and an electric threaded rod 2 is rotatably arranged between the two sliders 1, and each of the electric threaded rods 2 is threadedly sleeved with two sliders 2, and an electric threaded rod 3 is rotatably arranged between the two sliders 2 threadedly sleeved on one of the electric threaded rods 2 and the two sliders 2 threadedly sleeved on the other electric threaded rod 2, and a support plate is threadedly sleeved on the electric threaded rod 3; The support plate is provided with a dust reduction mechanism capable of removing dust from the CNC machine tool; The support plate is provided with a dust collecting mechanism capable of removing dust from the CNC machine tool.

[0007] Preferably, the dust reduction mechanism comprises a support column fixedly arranged on the support plate, a motor is fixedly arranged on a side of the support column away from the support plate, the motor is fixedly connected to a rotating shaft, a blade holder is fixedly connected to a side of the rotating shaft away from the motor, and a milling cutter for milling parts is clamped on the blade holder; A water spray chamber is provided inside the support column, a plurality of water spray pipes connected to the water spray chamber are provided on the side of the support column close to the motor, a water spray trough is fixedly provided on the rotating shaft between the motor and the blade clamp, a plurality of water spray holes are provided on the water spray trough, a water inlet pipe connected to the water spray chamber is provided on the support plate, a soft water pipe connected to the water inlet pipe is fixedly provided on the support plate, and a pressurized water pump is connected to the side of the soft water pipe away from the support plate.

[0008] Preferably, the dust suction mechanism includes a dust suction chamber opened inside the support column, a plurality of dust suction pipes connected to the dust suction chamber are opened on the side of the support column close to the motor, a dust suction hose connected to the dust suction pipe is fixedly arranged on the support column, a dust outlet pipe connected to the dust suction chamber is opened inside the support plate, a soft suction pipe connected to the dust outlet pipe is fixedly arranged on the support plate, a side of the soft suction pipe away from the support plate is connected to a dust storage box, and the dust storage box is connected to an air outlet pipe.

[0009] Preferably, a turntable is rotatably arranged inside the dust suction chamber, a plurality of limit holes are provided on the turntable, limit rivets fixedly connected to the support column are movably provided inside the limit holes, a plurality of ventilation holes corresponding to the dust suction pipes are provided on the turntable, a switch hole is provided on the support column, and a switch block fixedly connected to the turntable is movably provided inside the switch hole.

[0010] Preferably, a plurality of hollow tubes connected with the dust suction chamber are fixedly arranged around the support column, a plurality of dust suction holes are opened on the hollow tubes, and a one-way valve is fixedly arranged on one side of the hollow tube close to the support column.

[0011] Preferably, a motor slot is formed in the middle of the water spray slot by a partition, and the part of the water spray slot excluding the motor slot can surround the water spray pipe, the water spray slot is in rotational contact with the support column, the pressure water pump is fixedly arranged on the protective shell, and the pressure water pump is connected to a water inlet pipe.

[0012] Preferably, the dust box is fixedly arranged on the protective shell, a filter layer is fixedly arranged inside the dust box, a drawer is slidably arranged on the dust box between the soft suction tube and the filter layer, one end of the air outlet pipe is connected to the dust box on the side of the filter layer away from the drawer, and the other end is connected to a dual-purpose blowing and suction blower.

[0013] Preferably, the dust suction chamber is opened outside the water spray chamber.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. During the use of this device, the dust reduction mechanism and the dust suction mechanism arranged on the support plate can make the dust reduction mechanism and the dust suction mechanism work together with the milling cutter. When the CNC machine tool processes the parts through the milling cutter, the dust reduction mechanism will spray water on the area near the processing, so that most of the dust and smoke generated by the processing will fall down instead of flying out of the machine tool. In addition, the dust suction mechanism can be used to suck away the dust and smoke in the area near the processing and above the processing area, so that the CNC machine tool can remove a large amount of dust and smoke generated during the milling process while working, without causing harm to the human body. 2. A water spray trough is arranged on the rotating shaft above the milling cutter, and a plurality of water spray holes are opened on the side and below the water spray trough. When the milling cutter rotates at high speed for processing, the water spray trough also rotates at high speed, so that the water sprayed from the water spray holes opened below the water spray trough forms a conical surface near the milling cutter, thereby preventing a large amount of dust and smoke from floating outside the CNC machine tool from the source, and the water sprayed from the water spray holes opened on the side of the water spray trough can form a horizontal surface, which can further prevent dust and smoke from floating outside the CNC machine tool, thereby playing a role in dust reduction. In addition, the dust suction mechanism including the dust suction hose and the hollow tube is set to further prevent dust and smoke from floating outside the CNC machine tool, so that the dust and smoke generated by the processing can be completely removed during the processing, and will not run out of the CNC machine tool, thereby not causing harm to the human body; 3. When CNC machine tools are milling certain parts, it is necessary to spray water on the milling cutter to cool it down. This device can blow air into the dust suction chamber through a dual-purpose blower. Due to the setting of the one-way valve, the air will not be blown out from the hollow tube, but can only be sprayed out from the vent on the turntable to the dust suction hose. The sprayed gas can blow the water sprayed from the water spray port under the water spray tank by the dust suppression mechanism onto the milling cutter, thereby cooling the milling cutter and reducing dust to prevent dust and smoke from floating out of the CNC machine tool; 4. After the dust collection mechanism of the CNC machine tool has removed the dust and smoke generated during milling, the dust collection mechanism can be blown by a dual-purpose blower to blow air, and the dust impurities on the filter layer can be blown into the drawer of the dust box. Then the drawer can be taken out and the dust impurities can be dumped out to clean the filter layer and prevent the filter layer from being blocked, without affecting the dust collection function of the dust collection mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the CNC machine tool of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the dust reduction mechanism and the dust collection mechanism of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the support plate and the support column of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the support column of the present invention; Figure 6 It is a schematic cross-sectional structure diagram of the support plate and the support column of the present invention; Figure 7 It is a schematic diagram of the top view of the support column of the present invention; Figure 8 Schematic diagram of the internal structure of the dust box of the present invention.

[0016] In the figure: 1. Equipment cabinet; 2. Placement table; 3. Protective cover; 4. Operation hole; 5. Feeding port; 6. Sliding door; 7. Electric telescopic rod; 8. Parts; 9. Protective shell; 10. Electric threaded rod 1; 11. Sliding block 1; 12. Electric threaded rod 2; 13. Sliding block 2; 14. Electric threaded rod 3; 15. Support plate; 16. Support column; 17. Motor; 18. Rotating shaft; 19. Blade holder; 20. Milling cutter; 21. Water spray chamber; 22. Water spray pipe; 23. Water spray trough; 24. Spray Water hole; 25, water inlet pipe; 26, soft water pipe; 27, pressurized water pump; 28, dust suction chamber; 29, dust suction pipe; 30, dust suction hose; 31, dust outlet pipe; 32, soft suction pipe; 33, dust storage box; 34, air outlet pipe; 35, turntable; 36, limit hole; 37, limit rivet; 38, vent hole; 39, switch hole; 40, switch dial; 41, hollow pipe; 42, dust suction hole; 43, one-way valve; 44, motor slot; 45, water inlet pipe; 46, filter layer; 47, drawer. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 8 , the present invention provides a technical solution: Embodiment 1: A dust removal device for a CNC machine tool, comprising an equipment cabinet 1, which is used to place the control equipment of the CNC machine tool and can also be used for storage. A placement table 2 is fixedly arranged on the equipment cabinet 1, and a part 8 processed by the CNC machine tool can be placed on the placement table 2 for milling. A protective cover 3 is fixedly arranged on the placement table 2, which can surround the operating space of the CNC machine tool and protect the operation of the machine tool. An operating hole 4 is opened on the top of the protective cover 3 to provide an operating space for the CNC machine tool milling. A feed port 5 is opened on one side of the protective cover 3, and the protective cover 3 is slidably provided at the feed port 5. Two sliding doors 6 and a placing table 2 are fixedly and symmetrically provided with two electric telescopic rods 7, and a part 8 is movably placed between the two electric telescopic rods 7. When the CNC machine tool is processing, the sliding door 6 can be opened, and then the part 8 is placed between the two electric telescopic rods 7, and then the two electric telescopic rods 7 are started synchronously until the middle part 8 is clamped, and then the two sliding doors 6 are closed, and the CNC machine tool is started to perform milling processing on the part 8. The setting of the sliding door 6 can prevent human body or debris from entering the CNC machine tool to affect the processing, and can also prevent dust from escaping from the CNC machine tool and affecting human health.

[0019] The protective cover 3 is fixedly provided with protective shells 9 on both sides of the operating hole 4, and two electric threaded rods 10 are symmetrically rotatably arranged inside each protective shell 9, and each electric threaded rod 10 is threadedly sleeved with a slider 11, and an electric threaded rod 2 12 is rotatably arranged between the two sliders 11, and each electric threaded rod 2 12 is threadedly sleeved with two sliders 2 13, and an electric threaded rod 3 14 is rotatably arranged between the two sliders 2 13 threadedly sleeved on one electric threaded rod 2 12 and the two sliders 2 13 threadedly sleeved on the other electric threaded rod 2 12, and a support plate 15 is threadedly sleeved on the electric threaded rod 3 14. The arrangement of multiple electric threaded rods and sliders can realize the movement of the milling cutter 20 in all directions of up, down, front, back, left and right, so as to mill the part 8, which is also the prior art in the field of CNC machine tools and can be replaced by other prior art, which will not be elaborated here.

[0020] The support plate 15 is provided with a dust reduction mechanism capable of removing dust from the CNC machine tool, the dust reduction mechanism includes a support column 16 fixedly arranged on the support plate 15, a motor 17 is fixedly arranged on the side of the support column 16 away from the support plate 15, the motor 17 is fixedly connected with a rotating shaft 18, and a blade holder 19 is fixedly connected with the side of the rotating shaft 18 away from the motor 17, the blade holder 19 clamps a milling cutter 20 for milling the part 8, the setting of the blade holder 19 can facilitate the replacement of the milling cutter 20, the support column 16 can move with the support plate 15, and then drive the milling cutter 20 on the motor 17 to move in all directions, and at the same time drive the milling cutter 20 to rotate at high speed through the motor 17, so as to perform milling processing on the part 8.

[0021] A water spray chamber 21 is provided inside the support column 16, and a plurality of water spray pipes 22 communicating with the water spray chamber 21 are provided on the side of the support column 16 close to the motor 17. A water spray trough 23 is fixedly provided between the motor 17 and the blade holder 19 on the rotating shaft 18, and a plurality of water spray holes 24 are provided on the water spray trough 23. A motor slot 44 is formed by a partition in the middle of the water spray trough 23, and the motor slot 44 can effectively prevent the motor 17 from entering the water. The part of the water spray trough 23 except the motor slot 44 can surround the water spray pipe 22, and the water spray trough 23 is in rotational contact with the support column 16, and a water inlet pipe 25 communicating with the water spray chamber 21 is provided on the support plate 15, and a soft water pipe 26 communicating with the water inlet pipe 25 is fixedly provided on the support plate 15, and the soft water pipe 26 is away from the support A pressurized water pump 27 is connected to one side of the support plate 15. The pressurized water pump 27 is fixedly arranged on the protective shell 9. The pressurized water pump 27 is connected to a water inlet pipe 45. Water enters the pressurized water pump 27 through the water inlet pipe 45. The water is pressurized and injected into the water spray chamber 21 by the pressurized water pump 27, and then enters the water spray trough 23 through the water spray pipe 22. The motor 17 drives the water spray trough 23 to rotate, so that water is sprayed out from the water spray hole 24. The water sprayed from the water spray hole 24 opened on the side of the water spray trough 23 will form a circular water surface, which can prevent dust and smoke from spreading upward. The water sprayed from the water spray hole 24 opened below the water spray trough 23 will form a conical water surface, which can control the dust and smoke generated by milling near the milling cutter 20 without spreading.

[0022] Embodiment 2: A dust suction mechanism capable of removing dust from a CNC machine tool is provided on the support plate 15, the dust suction mechanism includes a dust suction chamber 28 opened inside the support column 16, the dust suction chamber 28 is opened on the outside of the water spray chamber 21, so that the dust suction hose 30 blows air to blow the water sprayed from the internal water spray hole 24 toward the milling cutter 20, so as to cool down and remove dust from the milling cutter 20, a plurality of dust suction pipes 29 connected with the dust suction chamber 28 are opened on the side of the support column 16 close to the motor 17, a dust suction hose 30 connected with the dust suction pipe 29 is fixedly provided on the support column 16, a dust outlet pipe 31 connected with the dust suction chamber 28 is opened inside the support plate 15, a soft suction pipe 32 connected with the dust outlet pipe 31 is fixedly provided on the support plate 15, a dust storage box 33 is connected on the side of the soft suction pipe 32 away from the support plate 15, and the dust storage box 33 is connected with an air outlet Tube 34, the dust box 33 is fixedly arranged on the protective shell 9, and a filter layer 46 is fixedly arranged inside the dust box 33. The filter layer 46 is close to the soft suction tube 32 on one side for filtering dust impurities, and on the other side for removing smoke. The inhaled dust and smoke can be isolated to prevent them from entering the dual-purpose blowing and suction blower to cause malfunction, and the dust and smoke can also enter the air again. The dust box 33 is slidably provided with a drawer 47 between the soft suction tube 32 and the filter layer 46, so that the dust impurities generated during vacuuming can be centrally processed, which is also very convenient. One end of the air outlet duct 34 is connected to the dust box 33 on the side of the filter layer 46 away from the drawer 47, and the other end is connected to the blowing and suction blower. The setting of the blowing and suction blower can not only vacuum through the dust suction mechanism, but also blow air.

[0023] Embodiment 3: A turntable 35 is rotatably arranged inside the dust suction chamber 28, and a plurality of limit holes 36 are provided on the turntable 35. A limit rivet 37 fixedly connected to the support column 16 is movably arranged inside the limit hole 36. A plurality of vent holes 38 corresponding to the dust suction pipe 29 are provided on the turntable 35. By setting the limit holes 36 and the limit rivets 37, the turntable 35 can be restricted to rotate only in the dust suction chamber 28, and the connection between the dust suction chamber 28 and the dust suction hose 30 can be controlled. A switch hole 39 is provided on the support column 16, and a switch block 40 fixedly connected to the turntable 35 is movably arranged inside the switch hole 39. A plurality of hollow tubes 41 connected to the dust suction chamber 28 are fixedly arranged around the support column 16, and a plurality of dust suction holes 42 are opened on the hollow tube 41. A one-way valve 43 is fixedly arranged on the side of the hollow tube 41 close to the support column 16. Through the setting of the one-way valve 43, the gas can only enter the dust suction chamber 28 from the hollow tube 41, but cannot enter the hollow tube 41 from the dust suction chamber 28. When the milling cutter 20 needs to be cooled, the dual-purpose blower for blowing and sucking can only blow the gas out from the dust suction hose 30, thereby increasing the air pressure and airflow of the blown gas, so that the water sprayed from the water spray trough 23 can be blown onto the milling cutter 20 through the gas to cool down and reduce dust.

[0024] Working principle: place the part 8 on the placement table 2, start the two electric telescopic rods 7 to fix the part 8, and then start the CNC machine tool. Through the cooperation of multiple electric threaded rods and sliders, the position of the milling cutter 20 can be adjusted, and then the motor 17 is started to drive the milling cutter 20 to mill the part 8. At the same time, the pressurized water pump 27 and the blowing and suction dual-purpose blower are started. The pressurized water pump 27 pressurizes water into the water spray chamber 21, and then enters the water spray trough 23 through the water spray pipe 22. The water spray trough 23 is driven by the rotating shaft 18 on the motor 17 to rotate at a high speed, and the water in the water spray trough 23 is sprayed out from the water spray hole 24 to cover the dust and smoke generated by milling.

[0025] At the same time, the rotary disk 35 is rotated by the switch block 40 to block the dust suction pipe 29, and the dual-purpose blower for blowing and sucking sucks the dust and smoke not covered by the water spray tank 23 into the dust suction chamber 28 through the dust suction hole 42 on the hollow tube 41, and finally enters the dust storage box 33. After being filtered by the filter layer 46, the sucked dust and smoke are filtered on the filter layer 46 or fall into the drawer 47, thereby further reducing the spread of dust and smoke; When it is necessary to spray water to cool the milling cutter 20, the switch block 40 is turned to rotate the turntable 35 so that the vent hole 38 on the turntable 35 is aligned and connected with the dust suction hose 30, and the blowing and suction dual-purpose blower is started to blow air into the dust suction chamber 28. Due to the setting of the one-way valve 43, the gas cannot be sprayed out from the dust suction hole 42 of the hollow tube 41, and can only be sprayed out through the dust suction hose 30. The sprayed gas can blow the water sprayed from the water spray hole 24 under the water spray trough 23 onto the milling cutter 20, which can not only cool the milling cutter 20, but also remove the dust and smoke generated by the milling of the milling cutter 20.

[0026] In addition, the dual-purpose blower for blowing and sucking blows air into the dust suction chamber 28, and the gas can hammer out impurities such as dust on the filter layer 46 and drop them into the drawer 47, thereby cleaning the filter layer 46 and preventing blockage.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal device for a numerically controlled machine tool, comprising an equipment cabinet (1), a placement table (2) fixedly arranged on the equipment cabinet (1), a protective cover (3) fixedly arranged on the placement table (2), an operation hole (4) opened on the top of the protective cover (3), a feed port (5) opened on one side of the protective cover (3), two sliding doors (6) slidably arranged on the feed port (5) of the protective cover (3), two electric telescopic rods (7) fixedly and symmetrically arranged on the placement table (2), and a part (8) movably placed between the two electric telescopic rods (7); Features: The protective cover (3) is fixedly provided with protective shells (9) on both sides of the operating hole (4), and two electric threaded rods (10) are symmetrically rotatably arranged inside each of the protective shells (9), and each of the electric threaded rods (10) is threadedly sleeved with a slider (11), and an electric threaded rod (12) is rotatably arranged between the two sliders (11), and each of the electric threaded rods (12) is threadedly sleeved with two sliders (13), and an electric threaded rod (14) is rotatably arranged between the two sliders (13) threadedly sleeved on one of the electric threaded rods (12) and the two sliders (13) threadedly sleeved on the other of the electric threaded rods (12), and a support plate (15) is threadedly sleeved on the electric threaded rod (14); The support plate (15) is provided with a dust removal mechanism capable of removing dust from the CNC machine tool; The support plate (15) is provided with a dust collecting mechanism capable of removing dust from the CNC machine tool; The dust reduction mechanism comprises a support column (16) fixedly arranged on a support plate (15); a motor (17) is fixedly arranged on a side of the support column (16) away from the support plate (15); a rotating shaft (18) is fixedly connected to the motor (17); a blade holder (19) is fixedly connected to a side of the rotating shaft (18) away from the motor (17); a milling cutter (20) for milling a part (8) is clamped on the blade holder (19); A water spray chamber (21) is provided inside the support column (16); a plurality of water spray pipes (22) connected to the water spray chamber (21) are provided on a side of the support column (16) close to the motor (17); a water spray trough (23) is fixedly provided on the rotating shaft (18) between the motor (17) and the blade holder (19); a plurality of water spray holes (24) are provided on the water spray trough (23); a water inlet pipe (25) connected to the water spray chamber (21) is provided on the support plate (15); a soft water pipe (26) connected to the water inlet pipe (25) is fixedly provided on the support plate (15); and a pressurized water pump (27) is connected to the side of the soft water pipe (26) away from the support plate (15); The dust suction mechanism comprises a dust suction chamber (28) provided inside the support column (16); a plurality of dust suction pipes (29) connected to the dust suction chamber (28) are provided on a side of the support column (16) close to the motor (17); a dust suction hose (30) connected to the dust suction pipe (29) is fixedly provided on the support column (16); a dust outlet pipe (31) connected to the dust suction chamber (28) is provided inside the support plate (15); a soft suction pipe (32) connected to the dust outlet pipe (31) is fixedly provided on the support plate (15); a side of the soft suction pipe (32) away from the support plate (15) is connected to a dust storage box (33); and the dust storage box (33) is connected to an air outlet pipe (34).

2. A dust removal device for a CNC machine tool according to claim 1, Features: A rotating disk (35) is rotatably arranged inside the dust suction chamber (28), a plurality of limiting holes (36) are provided on the rotating disk (35), limiting rivets (37) fixedly connected to the support column (16) are movably arranged inside the limiting holes (36), a plurality of vent holes (38) corresponding to the dust suction pipe (29) are provided on the rotating disk (35), a switch hole (39) is provided on the support column (16), and a switch block (40) fixedly connected to the rotating disk (35) is movably arranged inside the switch hole (39).

3. A dust removal device for a CNC machine tool according to claim 2, Features: A plurality of hollow tubes (41) in communication with the dust suction chamber (28) are fixedly arranged around the support column (16), a plurality of dust suction holes (42) are provided on the hollow tubes (41), and a one-way valve (43) is fixedly arranged on one side of the hollow tubes (41) close to the support column (16).

4. A dust removal device for a CNC machine tool according to claim 1, Features: A motor slot (44) is formed in the middle of the water spray slot (23) through a partition. The portion of the water spray slot (23) excluding the motor slot (44) can surround the water spray pipe (22). The water spray slot (23) is in rotational contact with the support column (16). The pressurized water pump (27) is fixedly arranged on the protective shell (9). The pressurized water pump (27) is connected to a water inlet pipe (45).

5. A dust removal device for a CNC machine tool according to claim 1, Features: The dust box (33) is fixedly arranged on the protective shell (9); a filter layer (46) is fixedly arranged inside the dust box (33); a drawer (47) is slidably arranged in the dust box (33) between the soft suction pipe (32) and the filter layer (46); one end of the air outlet pipe (34) is connected to the dust box (33) on the side of the filter layer (46) away from the drawer (47), and the other end is connected to the dual-purpose blower for blowing and sucking.

6. A dust removal device for a CNC machine tool according to claim 1, Features: The dust suction chamber (28) is opened outside the water spray chamber (21).

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