CN112192296A

CN112192296A - Machining equipment that factor of safety is high

Info

Publication number: CN112192296A
Application number: CN202011069760.XA
Authority: CN
Inventors: 王钟海
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-08

Abstract

The invention relates to machining equipment with high safety factor, which comprises a bottom box, a driving box, a transmission shaft, a connector and a drill rod, wherein the bottom box and the driving box are both rectangular, the driving box is arranged above the bottom box and fixedly connected with the bottom box, the transmission shaft is vertically arranged between the bottom box and the driving box, a driving device is arranged in the driving box and connected with the top end of the transmission shaft, the connector is cylindrical, the connector and the drill rod are coaxially arranged with the transmission shaft, the drill rod is arranged at the bottom end of the transmission shaft through the connector, the diameter of the drill rod is directly equal to that of the transmission shaft, a protection mechanism is arranged on the bottom box, a cleaning mechanism is arranged on the transmission shaft, the machining equipment with high safety factor realizes the function of preventing scraps from splashing to hurt people through the protection mechanism, and improves the safety, moreover, the function of cleaning the drill rod is realized through the cleaning mechanism.

Description

Machining equipment that factor of safety is high

Technical Field

The invention relates to the field of machining, in particular to machining equipment with high safety coefficient.

Background

The machining refers to a process of changing the overall dimension or performance of a workpiece through a mechanical device, wherein the vertical drilling machine is one type of machining device, and a main shaft of the vertical drilling machine is vertically arranged and a central position of the vertical drilling machine is fixed. It is often used in machinery manufacturing and repairing factories to process holes of medium and small workpieces.

Current upright drill can produce a large amount of pieces that splash during drilling, easily causes the injury to the human body, has reduced the security, and so, after the drilling finishes, can remain the piece on the drilling rod, clears away in time and can influence the drilling precision.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the machining equipment with high safety coefficient is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: the machining equipment with high safety coefficient comprises a bottom box, a driving box, a transmission shaft, a connector and a drill rod, wherein the shape of the bottom box and the shape of the driving box are cuboids, the driving box is arranged above the bottom box and fixedly connected with the bottom box, the transmission shaft is vertically arranged between the bottom box and the driving box, a driving device is arranged in the driving box, the driving device is connected with the top end of the transmission shaft, the shape of the connector is cylindrical, the connector and the drill rod are coaxially arranged with the transmission shaft, the drill rod is arranged at the bottom end of the transmission shaft through the connector, the diameter of the drill rod is equal to that of the transmission shaft directly, a protection mechanism is arranged on the bottom box, and a cleaning mechanism is arranged on the transmission shaft;

the protection mechanism comprises a lifting component, a fixed disk, a fixed rod, a moving pipe, a rotating ring, a connecting pipe, an air pipe, a first check valve, a filter screen and at least two second check valves, wherein the top of the box body is provided with a mounting hole, the rotating ring, the connecting pipe, the moving pipe, the fixed rod and the fixed disk are all coaxially arranged with the transmission shaft, the top end of the moving pipe is inserted into the mounting hole, the moving pipe is in sliding and sealing connection with the inner wall of the mounting hole, the bottom end of the moving pipe is abutted against the bottom in the bottom box, the fixed disk and the fixed rod are all arranged in the moving pipe, the bottom end of the fixed rod is fixed at the bottom in the box body, the fixed disk is fixed at the top end of the fixed rod, the fixed disk is in sliding and sealing connection with the inner wall of the moving pipe, the, the air pipe penetrates through the air outlet hole, the air pipe is hermetically and fixedly connected with the inner wall of the air outlet hole, the first check valve and the filter screen are mounted in the air pipe, the transmission shaft penetrates through the rotating ring, the transmission shaft is hermetically and fixedly connected with the rotating ring, the bottom end of the connection pipe is hermetically and fixedly connected with the bottom of the rotating ring, the inner diameter of the connection pipe is equal to the outer diameter of the moving pipe, a gap is formed between the connection pipe and the bottom box, the drill rod is located in the connection pipe, at least two air inlet holes are formed in the rotating ring, the air inlet holes and the second check valves are in one-to-one correspondence with the round holes, the air inlet holes are communicated with the connection pipe, and the second check valves are mounted in the;

the lifting assembly comprises a magnet ring, a first spring and at least two electromagnets, the fixed rod penetrates through the magnet ring and is connected with the magnet ring in a sliding mode, the outer diameter of the magnet ring is smaller than the inner diameter of the moving pipe, the first spring is located between the fixed disc and the magnet ring, the magnet ring is connected with the fixed disc through the first spring and is fixedly connected with the moving pipe, the electromagnets correspond to the round holes one by one and are fixed on the fixed rod, and the magnet ring is located between the first spring and the electromagnets;

the cleaning mechanism comprises a cleaning ring and at least two reset components, the cleaning ring is coaxially arranged with the transmission shaft and is positioned in the connecting pipe, the outer diameter of the cleaning ring is smaller than the inner diameter of the moving pipe, the diameter of the transmission shaft and the diameter of the connector are both smaller than the inner diameter of the cleaning ring, the cleaning ring is positioned between the connector and the rotating ring and is attached to the rotating ring, the cleaning ring is hermetically connected with the air inlet hole, brushes are uniformly paved on the inner wall of the annular hole of the cleaning ring, the brushes are abutted against the transmission shaft, and the reset components are in one-to-one correspondence with the air inlet hole;

the reset assembly comprises a guide rod, a second spring and a guide hole, the guide hole is formed in the rotating ring, the guide rod penetrates through the guide hole, the guide rod is connected with the inner wall of the guide hole in a sliding and sealing mode, the bottom end of the guide rod is fixed to the top of the cleaning ring, and the top of the rotating ring is connected with the top end of the guide rod through the second spring.

Preferably, in order to facilitate the installation of the guide rod, both ends of the guide rod are provided with chamfers.

Preferably, in order to reduce the gap between the guide bar and the inner wall of the guide hole, the inner wall of the guide hole is coated with a sealing grease.

Preferably, the cleaning ring is made of rubber for realizing buffering and vibration reduction.

Preferably, the fixing rod is coated with a lubricating oil in order to reduce friction between the fixing rod and the magnet ring.

Preferably, for noise reduction, a sound absorption plate is arranged in the bottom box.

Preferably, in order to prolong the service life of the driving box, the driving box is provided with an anti-corrosion zinc coating.

Preferably, in order to improve the friction force between the fixed disc and the workpiece, the top of the fixed disc is provided with anti-slip lines.

Preferably, the top of the driving box is provided with a photovoltaic panel for energy conservation.

Preferably, the bottom of the tank is glued to reduce debris trapped on the screen.

The high-safety-factor machining equipment has the advantages that the function of preventing scraps from splashing to hurt people is achieved through the protection mechanism, safety is improved, compared with the existing protection mechanism, the protection mechanism can achieve the function of collecting scraps, radial runout generated by the transmission shaft can be reduced through matching between the connecting pipe and the moving pipe, accuracy of drilling is improved, practicability is higher, the function of cleaning the drill rod is achieved through the cleaning mechanism, compared with the existing cleaning mechanism, the cleaning mechanism reduces air pressure in the connecting pipe through relative movement between the connecting pipe and the moving pipe and enables air to enter the connecting pipe from the air inlet hole, the cleaning ring moves through the flowing of the air as driving force, an integrated linkage structure is achieved with the protection mechanism, and practicability is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a high safety factor machining apparatus of the present invention;

FIG. 2 is a schematic structural view of a guard mechanism of the high safety machining apparatus of the present invention;

FIG. 3 is a schematic structural view of a cleaning mechanism of the high safety machining apparatus of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

in the figure: 1. the air purifier comprises a bottom box, a driving box, a transmission shaft, a connector, a drill rod, a fixed disc, a fixed bar, a movable tube, a rotating ring, a connecting tube, a gas tube, a first check valve, a filter screen, a second check valve, a magnet ring, a spring, a cleaning ring, a brush, a guide rod, a second spring, a sound absorbing plate and a photovoltaic plate, wherein the driving box is 2, the transmission shaft is 3, the connector is 4, the drill rod is 5, the fixed disc is 6, the fixed bar is 7, the movable tube is 8, the rotating ring is 9, the connecting tube is.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a machining device with a high safety factor comprises a bottom box 1, a driving box 2, a transmission shaft 3, a connector 4 and a drill rod 5, wherein the shape of the bottom box 1 and the shape of the driving box 2 are cuboids, the driving box 2 is arranged above the bottom box 1 and fixedly connected with the bottom box 1, the transmission shaft 3 is vertically arranged between the bottom box 1 and the driving box 2, a driving device is arranged in the driving box 2 and connected with the top end of the transmission shaft 3, the connector 4 is cylindrical, the connector 4 and the drill rod 5 are coaxially arranged with the transmission shaft 3, the drill rod 5 is arranged at the bottom end of the transmission shaft 3 through the connector 4, the diameter of the drill rod 5 is equal to that of the transmission shaft 3, a protection mechanism is arranged on the bottom box 1, and a cleaning mechanism is arranged on the transmission shaft 3;

the protection mechanism comprises a lifting component, a fixed disk 6, a fixed rod 7, a movable tube 8, a rotating ring 9, a connecting pipe 10, an air pipe 11, a first one-way valve 12, a filter screen 13 and at least two second one-way valves 14, wherein the top of the box body is provided with a mounting hole, the rotating ring 9, the connecting pipe 10, the movable tube 8, the fixed rod 7 and the fixed disk 6 are all coaxially arranged with the transmission shaft 3, the top end of the movable tube 8 is inserted into the mounting hole, the movable tube 8 is in sliding and sealing connection with the inner wall of the mounting hole, the bottom end of the movable tube 8 is abutted against the bottom in the bottom box 1, the fixed disk 6 and the fixed rod 7 are both arranged in the movable tube 8, the bottom end of the fixed rod 7 is fixed at the bottom in the box body, the fixed disk 6 is fixed at the top end of the fixed rod 7, the fixed disk 6 is in sliding, the round holes are uniformly distributed in the circumferential direction by taking the axis of the fixed rod 7 as the center, one side of the box body is provided with an air outlet hole, the air pipe 11 penetrates through the air outlet hole, the air pipe 11 is hermetically and fixedly connected with the inner wall of the air outlet hole, the first one-way valve 12 and the filter screen 13 are both arranged in the air pipe 11, the transmission shaft 3 passes through the rotating ring 9, the transmission shaft 3 is hermetically and fixedly connected with the rotating ring 9, the bottom end of the connecting pipe 10 is hermetically and fixedly connected with the bottom of the rotating ring 9, the inner diameter of the connecting pipe 10 is equal to the outer diameter of the moving pipe 8, a gap is arranged between the connecting pipe 10 and the bottom box 1, the drill rod 5 is positioned in the connecting pipe 10, the rotating ring 9 is provided with at least two air inlets, the air inlet holes and the second one-way valves 14 are in one-to-one correspondence with the round holes, the air inlet holes are communicated with the connecting pipe 10, and the second one-way valves 14 are installed in the air inlet holes;

the lifting assembly comprises a magnet ring 15, a first spring 16 and at least two electromagnets 17, the fixed rod 7 penetrates through the magnet ring 15 and is in sliding connection with the magnet ring 15, the outer diameter of the magnet ring 15 is smaller than the inner diameter of the moving pipe 8, the first spring 16 is positioned between the fixed disc 6 and the magnet ring 15, the magnet ring 15 is connected with the fixed disc 6 through the first spring 16, the magnet ring 15 is fixedly connected with the moving pipe 8, the electromagnets 17 correspond to the round holes one by one and are fixed on the fixed rod 7, and the magnet ring 15 is positioned between the first spring 16 and the electromagnets 17;

when the device is used, a workpiece is placed on the fixed disc 6, then the electromagnet 17 is electrified, so that the electromagnet 17 generates mutual repulsive acting force between the magnet rings 15, the magnet rings 15 move towards the direction close to the fixed disc 6 on the fixed bar 7, the first spring 16 is compressed, the moving of the magnet rings 15 drives the moving pipe 8 to realize synchronous movement, namely, the top end of the moving pipe 8 moves to the upper part of the bottom box 1, then the transmission shaft 3 rotates and moves downwards through the driving device, the downward movement and the rotation of the transmission shaft 3 drive the drill rod 5 to realize synchronous rotation and movement through the connector 4, when the drill rod 5 abuts against the workpiece and continues to move downwards, drilling can be realized, after the drilling is finished, the transmission shaft 3 stops rotating and moves upwards to realize resetting, and during the downward movement of the transmission shaft 3, the connecting pipe 10 can be driven by the rotating ring 9 to realize synchronous movement, that is, the tip end of the movable tube 8 can be inserted into the connection tube 10, and by the engagement between the connection tube 10 and the movable tube 8, can prevent the splashed debris from being blocked, prevent the debris from hurting people, improve safety, and as the distance between the connection pipe 10 and the bottom case 1 is reduced, the air in the connecting pipe 10 can be squeezed, the air in the connecting pipe 10 is conveyed into the moving pipe 8 and conveyed into the box body from the circular hole through the one-way characteristic of the second one-way valve 14, the air in the box body is discharged from the air pipe 11, the debris produced during drilling can be trapped on the sieve 13 under the action of the air flow, achieving the function of collecting the debris, when the drilling is completed and the drive shaft 3 is reset, it is possible to increase the distance between the connection pipe 10 and the bottom case 1 and, at this time, to transfer air from the air intake hole into the connection pipe 10 by the one-way characteristic of the first check valve 12.

As shown in fig. 3-4, the cleaning mechanism includes a cleaning ring 18 and at least two reset components, the cleaning ring 18 is coaxially disposed with the transmission shaft 3 and is located in the connection pipe 10, the outer diameter of the cleaning ring 18 is smaller than the inner diameter of the moving pipe 8, the diameters of the transmission shaft 3 and the connector 4 are both smaller than the inner diameter of the cleaning ring 18, the cleaning ring 18 is located between the connector 4 and the rotating ring 9 and is attached to the rotating ring 9, the cleaning ring 18 is hermetically connected with the air inlet, brushes 19 are uniformly laid on the inner wall of the annular hole of the cleaning ring 18, the brushes 19 are abutted to the transmission shaft 3, and the reset components are in one-to-one correspondence with the air inlet;

the reset assembly comprises a guide rod 20, a second spring 21 and a guide hole, the guide hole is formed in the rotating ring 9, the guide rod 20 penetrates through the guide hole, the guide rod 20 is connected with the inner wall of the guide hole in a sliding and sealing mode, the bottom end of the guide rod 20 is fixed to the top of the cleaning ring 18, and the top of the rotating ring 9 is connected with the top end of the guide rod 20 through the second spring 21.

When air is conveyed into the connecting pipe 10 from the air inlet hole, the cleaning ring 18 can move downwards under the action of air flow, the guide rod 20 is driven by the movement of the cleaning ring 18 to move synchronously, the second spring 21 is compressed, and the brush 19 can move on the drill rod 5 during the downward movement of the cleaning ring 18, so that the brush 19 can scrape off scraps on the drill rod 5, the function of cleaning the drill rod 5 is realized, and when the air stops being conveyed into the connecting pipe 10 from the air inlet hole, the cleaning ring 18 is reset under the elastic action of the second spring 21.

Preferably, in order to facilitate the installation of the guide bar 20, both ends of the guide bar 20 are provided with chamfers.

The chamfer serves to reduce the diameter of the guide rod 20 as it passes through the guide hole, providing an easy installation.

Preferably, in order to reduce the gap between the guide rod 20 and the inner wall of the guide hole, the inner wall of the guide hole is coated with a sealing grease.

The sealing grease has the function of reducing the clearance between the guide rod 20 and the inner wall of the guide hole, and the sealing performance is improved.

Preferably, the cleaning ring 18 is made of rubber for achieving cushioning and vibration reduction.

The rubber texture is softer, and the impact force generated when the cleaning ring 18 is attached to the rotating ring 9 can be reduced, so that the buffer and the vibration reduction are realized.

Preferably, the fixing rod 7 is coated with a lubricating oil in order to reduce the friction between the fixing rod 7 and the magnet ring 15.

The lubricating oil has the function of reducing the friction force between the fixed rod 7 and the magnet ring 15, and improving the moving fluency of the magnet ring 15. .

Preferably, a sound-absorbing plate 22 is provided in the bottom case 1 for noise reduction.

The sound-absorbing panel 22 can absorb noise, achieving noise reduction.

Preferably, in order to prolong the service life of the driving box 2, the driving box 2 is provided with an anti-corrosion zinc coating.

The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of drive case 2, prolongs the life of drive case 2.

Preferably, in order to improve the friction force between the fixed disc 6 and the workpiece, the top of the fixed disc 6 is provided with anti-slip lines.

The anti-slip lines are used for improving the friction force between the workpiece and the top of the fixed disc 6 and preventing the workpiece from slipping.

Preferably, the top of the driving box 2 is provided with a photovoltaic panel 23 for energy saving.

The photovoltaic panel 23 can absorb light rays to perform photovoltaic power generation, and energy conservation is realized.

Preferably, the bottom inside the bottom box 1 is glued in order to reduce the debris trapped on the sieve 13.

The fragments collected in the bottom box 1 can be stuck by glue, so that the fragments intercepted on the filter screen 13 are reduced, and the filter screen 13 is prevented from being blocked.

When the device is used, a workpiece is placed on the fixed disc 6, then the electromagnet 17 is electrified, so that the electromagnet 17 generates mutual repulsive acting force between the magnet rings 15, the magnet rings 15 move towards the direction close to the fixed disc 6 on the fixed bar 7, the first spring 16 is compressed, the moving of the magnet rings 15 drives the moving pipe 8 to realize synchronous movement, namely, the top end of the moving pipe 8 moves to the upper part of the bottom box 1, then the transmission shaft 3 rotates and moves downwards through the driving device, the downward movement and the rotation of the transmission shaft 3 drive the drill rod 5 to realize synchronous rotation and movement through the connector 4, when the drill rod 5 abuts against the workpiece and continues to move downwards, drilling can be realized, after the drilling is finished, the transmission shaft 3 stops rotating and moves upwards to realize resetting, and during the downward movement of the transmission shaft 3, the connecting pipe 10 can be driven by the rotating ring 9 to realize synchronous movement, that is, the top end of the movable pipe 8 can be inserted into the connecting pipe 10, the air in the connecting pipe 10 can be squeezed as the distance between the connecting pipe 10 and the bottom case 1 is reduced by the cooperation between the connecting pipe 10 and the movable pipe 8, so as to prevent the splashed chips from hurting people, thereby improving the safety, the air in the connecting pipe 10 can be delivered into the movable pipe 8 and delivered into the case from the circular hole by the one-way characteristic of the second one-way valve 14, the air in the connecting pipe 10 can be trapped on the filter screen 13 under the action of the air flow, thereby realizing the function of collecting chips, when the drilling is finished and the transmission shaft 3 is reset, the distance between the connecting pipe 10 and the bottom case 1 can be increased, at this time, the air can be delivered into the connecting pipe 10 from the air inlet hole by the one-way characteristic of the first one-way valve 12, and, when the air is conveyed into the connecting pipe 10 from the air inlet, the cleaning ring 18 can be moved downwards under the action of the air flow, the movement of the cleaning ring 18 drives the guide rod 20 to realize synchronous movement, and the second spring 21 is compressed, and during the downward movement of the cleaning ring 18, the brush 19 can be moved on the drill rod 5, so that the brush 19 can scrape off the scraps on the drill rod 5, the function of cleaning the drill rod 5 is realized, and when the air stops being conveyed into the connecting pipe 10 from the air inlet, the cleaning ring 18 is reset under the elastic action of the second spring 21.

Compared with the prior art, the machining equipment with high safety factor realizes the function of preventing the scraps from splashing to hurt people through the protection mechanism, improves the safety, and compared with the prior protection mechanism, the protection mechanism can also realize the function of collecting scraps, can also reduce the radial run-out generated by the transmission shaft 3 through the matching between the connecting pipe 10 and the moving pipe 8, improves the drilling accuracy, has stronger practicability, realizes the function of cleaning the drill rod 5 through the cleaning mechanism, and compared with the prior cleaning mechanism, the cleaning mechanism reduces the air pressure in the connection pipe 10 by the relative movement between the connection pipe 10 and the moving pipe 8 and allows air to enter the connection pipe 10 from the air inlet hole, and the cleaning ring 18 is moved by taking the flowing of air as a driving force, and an integrated linkage structure is realized with the protection mechanism, so that the practicability is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a machining equipment that factor of safety is high, includes under casing (1), drive case (2), transmission shaft (3), connector (4) and drilling rod (5), the shape of under casing (1) and the shape of drive case (2) are the cuboid, drive case (2) set up in the top of under casing (1) and with under casing (1) fixed connection, vertical setting of transmission shaft (3) is between under casing (1) and drive case (2), be equipped with drive arrangement in drive case (2), drive arrangement is connected with the top of transmission shaft (3), the shape of connector (4) is cylindrical, connector (4) and drilling rod (5) all with the coaxial setting of transmission shaft (3), drilling rod (5) are installed in the bottom of transmission shaft (3) through connector (4), the directness of drilling rod (5) equals with the diameter of transmission shaft (3), the device is characterized in that a protection mechanism is arranged on the bottom box (1), and a cleaning mechanism is arranged on the transmission shaft (3);

the protection mechanism comprises a lifting component, a fixed disk (6), a fixed rod (7), a movable tube (8), a rotating ring (9), a connecting tube (10), an air tube (11), a first one-way valve (12), a filter screen (13) and at least two second one-way valves (14), wherein the top of the box body is provided with a mounting hole, the rotating ring (9), the connecting tube (10), the movable tube (8), the fixed rod (7) and the fixed disk (6) are coaxially arranged with the transmission shaft (3), the top end of the movable tube (8) is inserted into the mounting hole, the movable tube (8) is in sliding and sealing connection with the inner wall of the mounting hole, the bottom end of the movable tube (8) is abutted against the bottom in the bottom box (1), the fixed disk (6) and the fixed rod (7) are both arranged in the movable tube (8), and the bottom end of the fixed rod (7) is fixed at the bottom, the top at dead lever (7) is fixed in fixed disk (6), fixed disk (6) and the inner wall that removes pipe (8) slide and sealing connection, be equipped with two at least round holes on fixed disk (6), the round hole uses the axis of dead lever (7) as center circumference evenly distributed, one side of box is equipped with the venthole, trachea (11) pass the venthole, trachea (11) and the inner wall of venthole are sealed and fixed connection, first check valve (12) and filter screen (13) are all installed in trachea (11), transmission shaft (3) pass swivel becket (9), transmission shaft (3) and swivel becket (9) are sealed and fixed connection, the bottom of connecting pipe (10) and the bottom of swivel becket (9) are sealed and fixed connection, the internal diameter of connecting pipe (10) equals with the external diameter that removes pipe (8), a gap is arranged between the connecting pipe (10) and the bottom box (1), the drill rod (5) is positioned in the connecting pipe (10), at least two air inlets are formed in the rotating ring (9), the air inlets and the second one-way valves (14) are respectively in one-to-one correspondence with the round holes, the air inlets are communicated with the connecting pipe (10), and the second one-way valves (14) are installed in the air inlets;

the lifting assembly comprises a magnet ring (15), a first spring (16) and at least two electromagnets (17), the fixing rod (7) penetrates through the magnet ring (15) and is in sliding connection with the magnet ring (15), the outer diameter of the magnet ring (15) is smaller than the inner diameter of the moving pipe (8), the first spring (16) is located between the fixing plate (6) and the magnet ring (15), the magnet ring (15) is connected with the fixing plate (6) through the first spring (16), the magnet ring (15) is fixedly connected with the moving pipe (8), the electromagnets (17) correspond to the round holes one by one and are fixed on the fixing rod (7), and the magnet ring (15) is located between the first spring (16) and the electromagnets (17);

the cleaning mechanism comprises a cleaning ring (18) and at least two reset components, the cleaning ring (18) and the transmission shaft (3) are coaxially arranged and are located in the connecting pipe (10), the outer diameter of the cleaning ring (18) is smaller than the inner diameter of the moving pipe (8), the diameter of the transmission shaft (3) and the diameter of the connector (4) are both smaller than the inner diameter of the cleaning ring (18), the cleaning ring (18) is located between the connector (4) and the rotating ring (9) and is attached to the rotating ring (9), the cleaning ring (18) is in sealing connection with the air inlet hole, brushes (19) are uniformly laid on the inner wall of the annular hole of the cleaning ring (18), the brushes (19) are abutted to the transmission shaft (3), and the reset components are in one-to-one correspondence with the air inlet hole;

the reset assembly comprises a guide rod (20), a second spring (21) and a guide hole, the guide hole is formed in the rotating ring (9), the guide rod (20) penetrates through the guide hole, the guide rod (20) is connected with the inner wall of the guide hole in a sliding and sealing mode, the bottom end of the guide rod (20) is fixed to the top of the cleaning ring (18), and the top of the rotating ring (9) is connected with the top end of the guide rod (20) through the second spring (21).

2. The high-safety machining device according to claim 1, wherein both ends of the guide rod (20) are provided with chamfers.

3. The high margin of safety machining apparatus of claim 1, wherein the inner wall of the guide hole is coated with a sealing grease.

4. The high safety factor machining device of claim 1, wherein the cleaning ring (18) is made of rubber.

5. The high-safety machining device as claimed in claim 1, characterized in that the fixing rod (7) is coated with a lubricating oil.

6. High-safety machining equipment according to claim 1, characterized in that an acoustic panel (22) is arranged in the bottom box (1).

7. The high-safety machining equipment according to claim 1, wherein the drive box (2) is provided with an anti-corrosion zinc coating.

8. The high-safety machining device according to claim 1, wherein the top of the fixed disc (6) is provided with anti-slip lines.

9. The high-safety machining device according to claim 1, characterized in that a photovoltaic panel (23) is arranged on the top of the drive box (2).

10. The high safety factor machining device according to claim 1, characterized in that the bottom inside the bottom box (1) is coated with glue.