Pneumatic chip removing device for numerical control cutter

Abstract

The utility model relates to the technical field of pneumatic chip removal devices, in particular to a pneumatic chip removal device for a numerical control tool. The numerical control machining device comprises four supporting columns and a winding structure, numerical control machining equipment is fixedly connected to the upper surfaces of the four supporting columns, a plurality of keys are installed on one side of the numerical control machining equipment, a rotating device is fixedly connected to the inner wall of the numerical control machining equipment, a cutter body is installed on the inner wall of the rotating device, and a cleaning structure is arranged on one side of the rotating device. The cleaning structure comprises a connecting plate which is fixedly connected with the rotating device, and the side, away from the rotating device, of the connecting plate is fixedly connected with a fixing block. The numerical control machining equipment solves the problems that when the chippings wound on the surface of the tool body are cleaned every time, the chippings wound on the surface of the tool body can be cleaned only by pausing the equipment and then opening a protective door of the numerical control machining equipment, and the cleaning process is tedious, so that the working efficiency of the personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic chip removal devices, in particular to a pneumatic chip removal device for numerical control tools. Background Art

[0002] The pneumatic chip removal device is composed of an air pump, an air pressure tube and a spray gun, and is mainly used to remove chips from CNC tools. It is a pneumatic chip removal device for CNC tools and is relatively common in the prior art.

[0003] In the prior art, personnel use tools to remove the debris wrapped around the surface of the tool body. Each time the personnel need to clean the debris wrapped around the surface of the tool body, they need to first pause the equipment and then open the protective door of the CNC machining equipment to clean the debris wrapped around the surface of the tool body. The cleaning process is relatively cumbersome, which will lead to a decrease in the work efficiency of the personnel. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art that each time when cleaning the debris wrapped around the surface of the tool body, the personnel need to first pause the equipment and then open the protective door of the CNC machining equipment to clean the debris wrapped around the surface of the tool body. Since the cleaning process is relatively cumbersome, the work efficiency of the personnel is reduced. A pneumatic chip removal device for CNC tools is proposed to solve the problem.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pneumatic chip removal device for a CNC tool, comprising four support columns and a winding structure, the upper surfaces of the four support columns are fixedly connected to CNC machining equipment, a plurality of buttons are installed on one side of the CNC machining equipment, the inner wall of the CNC machining equipment is fixedly connected to a rotating device, the inner wall of the rotating device is installed with a tool body, a cleaning structure is provided on one side of the rotating device, the cleaning structure comprises a connecting plate, the connecting plate is fixedly connected to the rotating device, a fixed block is fixedly connected to a side of the connecting plate away from the rotating device, a gear is fixedly connected to one side of the fixed block, a threaded rod is threadedly connected to the inner wall of the fixed block, a fixed ring is fixedly connected to the circular arc surface of the threaded rod, a rotating block is rotatably connected to the surface of the fixed ring, the rotating block is rotatably connected to the threaded rod, and the rotating block The cam is connected with the gear train of the gear train control device and the gear train is connected with ...

[0006] The effect achieved by the above components is: by setting up a cleaning structure, personnel can first rotate the rotating column to make the limit column away from the gear, and then rotate the spray gun to a suitable position. Then, the personnel rotate the rotating column again to make the limit column slide into the inner wall of the gear. When the arc surface of the tool body is entangled with debris, the personnel can press the button to start the rotating device to ventilate the air pressure pipe, and the air in the air pipe passes through the spray gun to clean the debris entangled on the arc surface of the tool body.

[0007] Preferably, a handle is fixedly connected to a side of the mounting plate away from the rotating block, and the handle is in a "U" shape.

[0008] The effect achieved by the above components is that the handle can facilitate personnel to move the installation plate, which can improve the convenience of personnel's operation.

[0009] Preferably, two limit blocks are fixedly connected to both sides of the mounting plate, and the limit blocks are slidably connected to the fixing frame.

[0010] The effect achieved by the above components is that the limiting block can limit the mounting plate, making it convenient for personnel to slide the mounting plate into the inner wall of the fixing frame.

[0011] Preferably, the inner wall of the rotating column is provided with a plurality of anti-skid grooves, and the anti-skid grooves are evenly arranged on the rotating column.

[0012] The effects achieved by the above components are: the anti-skid groove can increase the friction between the personnel's hands and the rotating column, and can prevent the personnel from slipping during the process of rotating the rotating column.

[0013] Preferably, the fixing ring is a stainless steel ring, and the cross section of the fixing ring is a hollow circle.

[0014] The effects achieved by the above components are: the stainless steel ring has good wear resistance and great strength, and is not easy to cause great wear to the surface of the fixing ring during short-term use.

[0015] Preferably, a winding structure is provided on the side of the rotating device close to the connecting plate, and the winding structure includes a connecting frame, the connecting frame is fixedly connected to the rotating device, the inner wall of the connecting frame is rotatably connected with a rotating rod, the arc surface of the rotating rod is fixedly connected with two connecting plates, the air pressure tube is wrapped around the arc surface of the rotating rod, and a coil spring is provided between the two connecting plates on the side away from each other and the connecting frame, the two ends of the coil spring are respectively fixedly connected to the connecting plate and the connecting frame, the inner wall of the connecting frame is fixedly connected with a connecting tube, the end of the connecting tube close to the rotating rod is rotatably connected to the air pressure tube, the end of the connecting tube away from the rotating rod is fixedly connected with a connecting tube, and the connecting tube is fixedly connected to the rotating device.

[0016] The effect achieved by the above components is: by setting the winding structure, when the personnel want to take the spray gun out from the inner wall of the fixed frame to clean other positions inside the CNC processing equipment and complete the process of resetting the spray gun, the coil spring rebounds to make the rotating rod wind up the air pressure tube to prevent the excessively long air pressure tube from affecting the normal use of the equipment.

[0017] Preferably, a protective pad is fixedly connected to the arc surface of the rotating rod, and the protective pad is a rubber pad.

[0018] The effects achieved by the above components are: the protective pad can protect the air pressure tube, thereby avoiding wear on the surface of the air pressure tube during short-term use.

[0019] In summary, the beneficial effects of the utility model are:

[0020] In the utility model, when a person needs to use CNC machining equipment to control the tool body for machining, the person can first rotate the rotating column, the rotating column drives the threaded rod to rotate in the direction away from the fixed block, the threaded rod drives the fixed ring to rotate in the direction away from the fixed block, the fixed ring drives the rotating block to rotate in the direction away from the fixed block, the rotating block drives the limiting column and the fixing frame to rotate in the direction away from the fixed block until the limiting column slides out of the inner wall of the gear, at this time, the person can use the handle to drive the mounting plate to rotate, wherein the handle can facilitate the person to move the mounting plate, which can improve the person's operating convenience, and then make the mounting plate rotate in the direction close to the tool body, the mounting plate drives the spray gun, four The limit block and the clamping block rotate in the direction close to the tool body, wherein the limit block can limit the mounting plate, which can facilitate personnel to slide the mounting plate into the inner wall of the fixed frame, and then the clamping block drives the fixed frame and the moving rod to rotate in the direction close to the tool body, and the fixed frame and the moving rod drive the fixed frame to rotate in the direction close to the tool body, and the fixed plate and the moving rod also drive the spring to rotate in the direction close to the tool body. When it is rotated to a suitable position, the personnel rotates the rotating column to rotate the rotating column in the direction close to the fixed block, and the rotating column drives the threaded rod to rotate in the direction close to the fixed block, and the threaded rod drives the fixed ring to rotate in the direction close to the fixed block. The fixed ring is a stainless steel ring, and the stainless steel ring has It has good wear resistance and great strength. It is not easy to cause great wear to the surface of the fixed ring during short-term use. Then the fixed ring drives the rotating block to rotate in the direction close to the fixed block, and the rotating block drives the fixed frame and the limit column to rotate in the direction close to the fixed block until the limit column slides into the inner wall of the gear. Then the processing can be carried out. When the processing is completed, the personnel presses the button to make the rotating device ventilate the air pressure pipe. At this time, high-pressure air is used to clean the debris wrapped around the tool body through the air pressure pipe and the spray gun. When it is necessary to clean other parts inside the CNC machining equipment, the personnel can first use the moving rod to drive the block to move away from the limit slot, and the moving rod drives the spring to move. The operator then moves the mounting plate away from the fixed frame by means of the handle, and the mounting plate drives the four limiting blocks and the spray gun to move away from the fixed frame, and the spray gun drives the air pressure tube to move until the mounting plate slides out of the inner wall of the fixed frame. At this time, the operator can clean other parts inside the CNC machining equipment. The anti-slip groove on the inner wall of the rotating column can increase the friction between the operator's hand and the rotating column, and can prevent the operator from slipping during the rotation of the rotating column. By setting the cleaning structure, it is convenient for the operator to quickly clean the debris wrapped around the arc surface of the tool body, thereby speeding up the operator's work efficiency.

[0021] In the utility model, when a person wants to take out the spray gun from the inner wall of the fixed frame to clean other positions inside the CNC processing equipment, the spray gun will drive the air pressure tube to move, the air pressure tube will drive the protection pad to rotate, the protection pad drives the rotating rod to rotate, the rotating rod drives the two connecting plates to rotate, the connecting plate drives the coil spring to contract, and when the person finishes cleaning, the person resets the spray gun. During the process of resetting the spray gun, the coil spring rebounds and drives the connecting plate to rotate, the connecting plate drives the rotating rod to rotate, and the rotating rod drives the protection pad to rotate, wherein the protection pad can protect the air pressure tube and avoid wear on the surface of the air pressure tube during short-term use. Then the rotating rod also drives the pneumatic tube to reel up. By setting the reeling structure, the effect of reeling and limiting the air pressure tube is achieved, and the longer air pressure tube is avoided from affecting the normal use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the cleaning structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the split structure of the cleaning structure of the utility model;

[0025] Figure 4 It is a partial structural schematic diagram of the cleaning structure of the utility model;

[0026] Figure 5 It is a schematic diagram of the winding structure of the utility model;

[0027] Figure 6 It is a partial structural schematic diagram of the winding structure of the utility model.

[0028] Legend: 1. Support column; 2. Tool body; 3. CNC machining equipment; 4. Cleaning structure; 401. Connecting plate; 402. Fixed block; 403. Gear; 404. Limiting column; 405. Rotating block; 406. Threaded rod; 407. Fixed ring; 408. Rotating column; 409. Anti-skid groove; 410. Fixed frame; 411. Fixed plate; 412. Block; 413. Moving rod; 414. Spring; 415. Mounting plate; 416. Handle; 417. Limiting block; 418. Limiting groove; 419. Spray gun; 420. Air pressure tube; 5. Winding structure; 51. Connecting frame; 52. Rotating rod; 53. Coil spring; 54. Connecting plate; 55. Protective pad; 56. Connecting tube; 57. Connecting tube; 6. Button; 7. Rotating device. DETAILED DESCRIPTION

[0029] Reference Figure 1As shown, the utility model provides a technical solution: a pneumatic chip removal device for CNC tools, comprising four support columns 1 and a winding structure 5, the upper surfaces of the four support columns 1 are fixedly connected with CNC processing equipment 3, a plurality of buttons 6 are installed on one side of the CNC processing equipment 3, a rotating device 7 is fixedly connected to the inner wall of the CNC processing equipment 3, a tool body 2 is installed on the inner wall of the rotating device 7, a cleaning structure 4 is provided on one side of the rotating device 7, and a winding structure 5 is provided on the side of the rotating device 7 close to the connecting plate 401.

[0030] The specific settings and functions of the cleaning structure 4 and the winding structure 5 are described in detail below.

[0031] Reference Figures 2 to 4As shown, in this embodiment: the cleaning structure 4 includes a connecting plate 401, the connecting plate 401 is fixedly connected to the rotating device 7, the side of the connecting plate 401 away from the rotating device 7 is fixedly connected to a fixed block 402, one side of the fixed block 402 is fixedly connected to a gear 403, the inner wall of the fixed block 402 is threadedly connected to a threaded rod 406, the arc surface of the threaded rod 406 is fixedly connected to a fixing ring 407, the surface of the fixing ring 407 is rotatably connected to a rotating block 405, the rotating block 405 is rotatably connected to the threaded rod 406, the side of the rotating block 405 close to the fixed block 402 is fixedly connected to a limiting column 404, the limiting column 404 is clamped with the gear 403, the threaded rod 406 is rotatably connected to the gear 403 and the limiting column 404, the threaded rod 406 is away from the fixed block One end of 402 is fixedly connected with a rotating column 408, the side of the rotating block 405 away from the connecting plate 401 is fixedly connected with a fixing frame 410, the inner wall of the fixing frame 410 is slidably connected with a mounting plate 415 and a block 412, the side of the block 412 away from the fixing frame 410 is fixedly connected with a moving rod 413, the inner wall of the mounting plate 415 is provided with a limiting groove 418, the side of the fixing frame 410 close to the moving rod 413 is fixedly connected with a fixing plate 411, the fixing plate 411 is slidably connected with the moving rod 413, the arc surface of the moving rod 413 is sleeved with a spring 414, the two ends of the spring 414 are respectively fixedly connected with the fixing plate 411 and the moving rod 413, the inner wall of the mounting plate 415 is fixedly connected with a spray gun 419, and the upper end of the spray gun 419 is fixedly connected with an air pressure The air pressure pipe 420 is connected to the rotating device 7 by means of the winding structure 5, and the limiting groove 418 is slidably connected to the block 412. By setting the cleaning structure 4, the personnel can first rotate the rotating column 408 to make the limiting column 404 away from the gear 403, and then the personnel rotate the spray gun 419 to a suitable position. Then, the personnel rotate the rotating column 408 again to make the limiting column 404 slide into the inner wall of the gear 403. When the arc surface of the tool body 2 is entangled with debris, the personnel can start the rotating device 7 by pressing the button 6 to ventilate the air pressure pipe 420. The air in the air pipe passes through the spray gun 419 to clean the debris entangled on the arc surface of the tool body 2. The mounting plate 415 is fixedly connected to the side away from the rotating block 405 with a handle 416. The handle 4 16 is in a "U" shape, and the handle 416 can facilitate personnel to move the mounting plate 415, which can improve the convenience of personnel's operation. Two limit blocks 417 are fixedly connected on both sides of the mounting plate 415. The limit blocks 417 are slidably connected to the fixing frame 410. The limit blocks 417 can limit the mounting plate 415, which can facilitate personnel to slide the mounting plate 415 into the inner wall of the fixing frame 410. The inner wall of the rotating column 408 is provided with a plurality of anti-skid grooves 409, and the anti-skid grooves 409 are evenly arranged on the rotating column 408. The anti-skid grooves 409 can increase the friction between the personnel's hands and the rotating column 408, and can prevent personnel from slipping during the process of rotating the rotating column 408. The fixing ring 407 is a stainless steel ring, and the cross-section of the fixing ring 407 is a hollow circle.The stainless steel ring has good wear resistance and great strength, and is not likely to cause significant wear on the surface of the fixing ring 407 during short-term use.

[0032] Reference Figure 5 and Figure 6 As shown, in this embodiment: the winding structure 5 includes a connecting frame 51, the connecting frame 51 is fixedly connected to the rotating device 7, the inner wall of the connecting frame 51 is rotatably connected with a rotating rod 52, the arc surface of the rotating rod 52 is fixedly connected with two connecting plates 54, the air pressure tube 420 is wound on the arc surface of the rotating rod 52, and a coil spring 53 is provided between the two connecting plates 54 on the side away from each other and the connecting frame 51, and the two ends of the coil spring 53 are respectively fixedly connected to the connecting plate 54 and the connecting frame 51, and the inner wall of the connecting frame 51 is fixedly connected with a connecting tube 56, one end of the connecting tube 56 close to the rotating rod 52 is rotatably connected to the air pressure tube 420, and the end of the connecting tube 56 away from the rotating rod 52 is fixedly connected to the connecting tube 56. The connecting pipe 57 is fixedly connected to the rotating device 7. By setting the winding structure 5, when the personnel want to take out the spray gun 419 from the inner wall of the fixed frame 410 to clean other positions inside the CNC processing equipment 3 and complete the process of resetting the spray gun 419, the coil spring 53 rebounds to make the rotating rod 52 wind up the air pressure tube 420 to prevent the excessively long air pressure tube 420 from affecting the normal use of the equipment. The arc surface of the rotating rod 52 is fixedly connected with a protective pad 55, and the protective pad 55 is a rubber pad. The protective pad 55 can protect the air pressure tube 420 and avoid wear on the surface of the air pressure tube 420 during short-term use.

[0033] Working principle, when personnel need to use CNC machining equipment 3 to control tool body 2 for machining, personnel can first rotate rotating column 408, rotating column 408 drives threaded rod 406 to rotate in the direction away from fixed block 402, threaded rod 406 drives fixed ring 407 to rotate in the direction away from fixed block 402, fixed ring 407 drives rotating block 405 to rotate in the direction away from fixed block 402, rotating block 405 drives limiting column 404 and fixing frame 410 to rotate in the direction away from fixed block 402, until limiting column 404 slides out of the inner wall of gear 403, at this time personnel can use handle 416 to drive mounting plate 415 to rotate, wherein handle 416 can facilitate personnel to move mounting plate, and can lift The operation convenience of the personnel, and then the mounting plate 415 is rotated in the direction close to the tool body 2, and the mounting plate 415 drives the spray gun 419, the four limit blocks 417 and the clamping block 412 to rotate in the direction close to the tool body 2, wherein the limit block 417 can limit the mounting plate 415, which can facilitate the personnel to slide the mounting plate 415 into the inner wall of the fixing frame 410, and then the clamping block 412 drives the fixing frame 410 and the moving rod 413 to rotate in the direction close to the tool body 2, the fixing frame 410 and the moving rod 413 drive the fixing to rotate in the direction close to the tool body 2, the fixing plate 411 and the moving rod 413 also drive the spring 414 to rotate in the direction close to the tool body 2, and when it is rotated to the appropriate position, the personnel rotate The rotating column 408 is turned to rotate toward the fixed block 402. The rotating column 408 drives the threaded rod 406 to rotate toward the fixed block 402. The threaded rod 406 drives the fixed ring 407 to rotate toward the fixed block 402. The fixed ring 407 is a stainless steel ring. The stainless steel ring has good wear resistance and high strength. It is not easy to cause large wear on the surface of the fixed ring 407 during short-term use. Then the fixed ring 407 drives the rotating block 405 to rotate toward the fixed block 402. The rotating block 405 drives the fixing frame 410 and the limiting column 404 to rotate toward the fixed block 402 until the limiting column 404 slides into the inner wall of the gear 403. Then the processing can be carried out. When the processing is completed, the personnel presses the button 6 to make the rotating device 7 ventilate the air pressure tube 420. At this time, the high-pressure gas passes through the air pressure tube 420 and the spray gun 419 to clean the debris wrapped around the tool body 2. When it is necessary to clean other parts inside the CNC processing equipment 3, the personnel can first use the moving rod 413 to drive the block 412 to move away from the limiting groove 418. The moving rod 413 drives the spring 414 to stretch until the block 412 slides out of the inner wall of the limiting groove 418. At this time, the personnel drives the mounting plate 415 to move away from the fixing frame 410 with the help of the handle 416. The mounting plate 415 drives the four limiting blocks 417 and the spray gun 419 to move away from the fixing frame 410.The spray gun 419 drives the air pressure tube 420 to move until the mounting plate 415 slides out of the inner wall of the fixing frame 410. At this time, the personnel can clean other parts inside the CNC machining equipment 3. The anti-skid groove 409 provided on the inner wall of the rotating column 408 can increase the friction between the personnel's hands and the rotating column 408, and can prevent the personnel from slipping during the rotation of the rotating column 408. By setting the cleaning structure 4, it is convenient for personnel to quickly clean the debris wrapped around the arc surface of the tool body 2, thereby speeding up the personnel's work efficiency.

[0034] In addition, when the personnel want to take the spray gun 419 out of the inner wall of the fixed frame 410 to clean other positions inside the CNC processing equipment 3, the spray gun 419 will drive the air pressure tube 420 to move, the air pressure tube 420 will drive the protection pad 55 to rotate, the protection pad 55 drives the rotating rod 52 to rotate, the rotating rod 52 drives the two connecting plates 54 to rotate, the connecting plate 54 drives the coil spring 53 to shrink, and when the personnel finishes cleaning, the personnel reset the spray gun 419. In the process of resetting the spray gun 419, the coil spring 53 rebounds and drives the connecting plate 54 to rotate, the connecting plate 54 drives the rotating rod 52 to rotate, and the rotating rod 52 drives the protection pad 55 to rotate, wherein the protection pad 55 can protect the air pressure tube 420, avoiding wear on the surface of the air pressure tube 420 during short-term use, and then the rotating rod 52 also drives the pneumatic tube to reel up. By setting the reeling structure 5, the effect of reeling and limiting the air pressure tube 420 is achieved, avoiding the longer air pressure tube 420 from affecting the normal use of the equipment.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. A pneumatic chip removal device for a numerical control tool, comprising four support columns (1) and a winding structure (5), characterized in that: The upper surfaces of the four support columns (1) are fixedly connected to a numerical control processing device (3), a plurality of buttons (6) are installed on one side of the numerical control processing device (3), a rotating device (7) is fixedly connected to the inner wall of the numerical control processing device (3), a tool body (2) is installed on the inner wall of the rotating device (7), a cleaning structure (4) is provided on one side of the rotating device (7), the cleaning structure (4) comprises a connecting plate (401), the connecting plate (401) is fixedly connected to the rotating device (7), and a fixing block (402) is fixedly connected to the side of the connecting plate (401) away from the rotating device (7) A gear (403) is fixedly connected to one side of the fixed block (402), a threaded rod (406) is threadedly connected to the inner wall of the fixed block (402), a fixed ring (407) is fixedly connected to the arc surface of the threaded rod (406), a rotating block (405) is rotatably connected to the surface of the fixed ring (407), the rotating block (405) is rotatably connected to the threaded rod (406), a side of the rotating block (405) close to the fixed block (402) is fixedly connected to a limiting column (404), the limiting column (404) is clamped with the gear (403), the threaded rod (406) is clamped with the gear (403), and the threaded rod (406) is fixedly connected to the gear (403). ) and a limiting column (404) are rotatably connected, one end of the threaded rod (406) away from the fixed block (402) is fixedly connected to a rotating column (408), a side of the rotating block (405) away from the connecting plate (401) is fixedly connected to a fixing frame (410), an inner wall of the fixing frame (410) is slidably connected to a mounting plate (415) and a clamping block (412), a side of the clamping block (412) away from the fixing frame (410) is fixedly connected to a moving rod (413), a limiting groove (418) is provided on the inner wall of the mounting plate (415), and a side of the fixing frame (410) close to the moving rod (413) is fixedly connected to the fixing frame (410). A fixed plate (411) is fixedly connected, the fixed plate (411) is slidably connected to the moving rod (413), the arc surface of the moving rod (413) is sleeved with a spring (414), the two ends of the spring (414) are respectively fixedly connected to the fixed plate (411) and the moving rod (413), the inner wall of the mounting plate (415) is fixedly connected to a spray gun (419), the upper end of the spray gun (419) is fixedly connected to an air pressure tube (420), the air pressure tube (420) is connected to the rotating device (7) by means of a winding structure (5), and the limiting groove (418) is slidably connected to the block (412).

2. The pneumatic chip removal device for a CNC tool according to claim 1, characterized in that: A handle (416) is fixedly connected to one side of the mounting plate (415) away from the rotating block (405), and the handle (416) is in a "U" shape.

3. The pneumatic chip removal device for a CNC tool according to claim 1, characterized in that: Two limit blocks (417) are fixedly connected to both sides of the mounting plate (415), and the limit blocks (417) are slidably connected to the fixing frame (410).

4. The pneumatic chip removal device for a CNC tool according to claim 1, characterized in that: The inner wall of the rotating column (408) is provided with a plurality of anti-skid grooves (409), and the anti-skid grooves (409) are evenly arranged on the rotating column (408).

5. The pneumatic chip removal device for a CNC tool according to claim 1, characterized in that: The fixing ring (407) is a stainless steel ring, and the cross section of the fixing ring (407) is a hollow circle.

6. The pneumatic chip removal device for a CNC tool according to claim 1, characterized in that: A winding structure (5) is provided on one side of the rotating device (7) close to the connecting plate (401), and the winding structure (5) comprises a connecting frame (51), and the connecting frame (51) is fixedly connected to the rotating device (7); a rotating rod (52) is rotatably connected to the inner wall of the connecting frame (51); two connecting plates (54) are fixedly connected to the circular arc surface of the rotating rod (52); the air pressure tube (420) is wound around the circular arc surface of the rotating rod (52), and the two connecting plates (54) are on the side away from each other. A coil spring (53) is provided between the connecting frame (51), and the two ends of the coil spring (53) are fixedly connected to the connecting plate (54) and the connecting frame (51) respectively. A connecting tube (56) is fixedly connected to the inner wall of the connecting frame (51), and one end of the connecting tube (56) close to the rotating rod (52) is rotatably connected to the air pressure tube (420), and one end of the connecting tube (56) away from the rotating rod (52) is fixedly connected to a connecting tube (57), and the connecting tube (57) is fixedly connected to the rotating device (7).

7. A pneumatic chip removal device for a CNC tool according to claim 6, characterized in that: The arc surface of the rotating rod (52) is fixedly connected with a protection pad (55), and the protection pad (55) is a rubber pad.

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