CN212734989U

CN212734989U - Air blowing device for end face of main shaft

Info

Publication number: CN212734989U
Application number: CN202020309447.8U
Authority: CN
Inventors: 李存杰
Original assignee: Shenzhen ABIG Precision Machinery Co Ltd
Current assignee: Shenzhen aibeike Precision Industry Co.,Ltd.
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-03-19
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to the technical field of main shafts, and discloses a blow device for a main shaft end face, which comprises a tool handle and a rotor, wherein the rotor is fixedly clamped at the lower end of the tool handle, a dustproof ring is fixedly arranged at the upper end of the rotor, a waterproof cover is fixedly clamped at the position where the top end of the dustproof ring is contacted with the rotor, and an air ring is connected among the rotor, the dustproof ring and the waterproof cover through screw threads; because the compressed air consists of water and gas, the two are different in physical property, the water moves along the wall, the air moves along the middle part and towards the low-pressure direction, and the inverted triangle is added on the outer circle of the rotor, so that the compressed air can be used for storing instant water vapor and preventing water from entering. Simultaneously, the front section of the main shaft is axially provided with an air vent, air is blown outwards, an air outlet air passage is added at an air ring opening, and a large and continuous air flow is formed on the end faces of the waterproof cover and the dustproof cover, so that external water vapor and dust are more effectively prevented from entering the front end of the main shaft.

Description

Air blowing device for end face of main shaft

Technical Field

The utility model relates to a main shaft technical field specifically is a be used for main shaft terminal surface gas blowing device.

Background

The existing spindle generally adopts an external air source mode, and air is blown outwards only through an air blowing channel structure so as to achieve the purpose of removing cutting fluid and metal dust. However, this structure cannot effectively prevent water vapor and dust from entering the bearing end of the main shaft, which affects the use of the main shaft and also affects the deterioration of the sealing effect of the main shaft.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a be used for main shaft terminal surface gas blowing device possesses the leakproofness that increases the main shaft and can prevent advantages such as vapor and dirt entering main shaft bearing end simultaneously, has solved the poor problem that leads to main shaft can permeate steam and dirt of main shaft gas tightness.

(II) technical scheme

Can prevent simultaneously for realizing the leakproofness of above-mentioned increase main shaft that aqueous vapor and dirt from getting into the purpose of main shaft bearing end, the utility model provides a following technical scheme: a blowing device for the end face of a main shaft comprises a tool handle and a rotor, wherein the rotor is fixedly clamped at the lower end of the tool handle, a dustproof ring is fixedly installed at the left and right sides of the upper end of the rotor, a waterproof cover is fixedly clamped at the position where the top end of the dustproof ring is in contact with the rotor, an air ring is in threaded connection among the rotor, the dustproof ring and the waterproof cover, an air groove is formed in the dustproof ring, and the position of the air groove is matched with the position of the air ring;

the outer side of the lower end of the rotor is fixedly provided with a front bearing, one side of the front bearing, far away from the rotor, is fixedly provided with a front bearing assembly convenient for fixing the front bearing, the front bearing assembly is fixedly connected with the dustproof ring, a compressed air inlet pipe is fixedly arranged in one side of the front bearing assembly, and the compressed air inlet pipe extends from the front bearing assembly to the dustproof ring and is communicated with the ring air groove;

and a compressed air outlet is formed in the transverse direction of one side of the dustproof ring, which is symmetrical to the compressed air inlet pipe, and the compressed air outlet is communicated with the annular air groove.

Preferably, the position where the ring air groove, the rotor and the front bearing are contacted is inserted and clamped with an outer spacer ring and an inner spacer ring, the outer spacer ring and the inner spacer ring are identical in shape, and the outer spacer ring and the inner spacer ring are mutually clamped and fixed through bending.

Preferably, the position that the top of dirt proof ring and gas ring contacted forms gas circuit one, gas circuit one is linked together with ring gas groove, ring gas inslot fixed mounting has the gasbag, the position that gas ring and rotor contacted just forms gas circuit two to the direction of waterproof cover, gas circuit two is linked together with ring gas groove, the position that gas ring and rotor contacted just forms gas circuit three to the lower extreme of rotor, gas circuit three is linked together with compressed air outlet and ring gas groove.

Preferably, a groove is formed in the rotor on the path of the gas path III to form a temporary water storage platform.

(III) advantageous effects

Compared with the prior art, the utility model provides a be used for main shaft terminal surface gas blowing device possesses following beneficial effect:

1. according to the air blowing device for the end face of the main shaft, at the moment of inflating the air seal, the pressure inside the main shaft is small, part of compressed air is delivered into the main shaft due to pressure difference, and the compressed air consists of water and air; the two physical properties are different, water moves along the wall, air moves along the middle, and the water moves towards the low-pressure direction under the action of air pressure difference, and the inverted triangle is added on the outer circle of the rotor, so that the rotor can be used for storing instant water vapor and preventing water from entering.

2. This be used for main shaft terminal surface gas blowing device increases there is a branch road, and the gasbag increases the combustion gas circuit, has the clearance between dust ring and the gas ring, blows to waterproof cover before, increases the gas circuit at the terminal surface in exhaust hole, can increase the splash entering that prevents the terminal surface, because horizontal lathe, the coolant liquid direction, the effect of this structure is obvious especially.

3. This be used for main shaft terminal surface gas blowing device, when pressure is equal, outside the gas follow compressed air outlet discharge, this process can take away absorption and surperficial dirt and aqueous vapor, improves the machining precision of main shaft.

4. This be used for main shaft terminal surface gas blowing device, the air that contracts gets into the dust ring, gets into the gasbag, and some is discharged from the terminal surface clearance of gas circuit one, waterproof cover and dust ring for form the air current in the gas vent department between waterproof cover and dust ring, the cooling that can effectual prevention main shaft front end also the splash get into.

5. According to the air blowing device for the end face of the main shaft, a part of air flow enters a gap between the air ring and the rotor through annular holes uniformly distributed in the air ring, the periphery of the rotor is cleaned, and then the air flow is discharged from a gap between the waterproof cover and the air ring and a gap between the dustproof ring and the air ring through an air outlet between the waterproof cover and the dustproof ring, so that the front end of the main shaft is cleaned; a part of air current rushes through the clearance between rotor and the dust ring, then discharges the external from the compressed air export, makes the cleanness of main shaft front end more thoroughly simultaneously, and this main shaft effect is more superior with preceding main shaft.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: the temporary water storage device comprises a knife handle 1, a rotor 2, a ring air groove 3, a compressed air outlet 4, an outer spacer ring 5, a front bearing 6, a front bearing assembly 7, an inner spacer ring 8, a dustproof ring 9, a compressed air inlet pipe 10, an air bag 11, an air passage I12, an air passage II 13, a waterproof cover 14, an air ring 15, an air passage III 16 and a temporary water storage step 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a blowing device for an end face of a spindle comprises a tool holder 1 and a rotor 2, the rotor 2 is fixedly clamped at the lower end of the tool holder 1, a dustproof ring 9 is fixedly installed at the left and right sides of the upper end of the rotor 2, a waterproof cover 14 is fixedly clamped at the position where the top end of the dustproof ring 9 contacts with the rotor 2, an air ring 15 is connected among the rotor 2, the dustproof ring 9 and the waterproof cover 14 in a threaded manner, an annular air groove 3 is formed in the dustproof ring 9, the position of the annular air groove 3 is matched with the position of the air ring 15, a front bearing 6 is fixedly installed on the outer side of the lower end of the rotor 2, a front bearing assembly 7 convenient for fixing the front bearing 6 is fixedly installed on one side of the front bearing 6 away from the rotor 2, the front bearing assembly 7 is fixedly connected with the dustproof ring 9, an outer partition ring 5 and an inner partition ring 8 are fixedly clamped at the position where the annular air groove 3, the rotor, and the outer spacer ring 5 and the inner spacer ring 8 are fastened and fixed with each other by bending.

A compressed air inlet pipe 10 is fixedly installed in one side of the front bearing assembly 7, the compressed air inlet pipe 10 extends from the front bearing assembly 7 to the dustproof ring 9 and is communicated with the annular air groove 3, a compressed air outlet 4 is arranged on one side of the dustproof ring 9, which is symmetrical to the compressed air inlet pipe 10, in the transverse direction, the compressed air outlet 4 is communicated with the annular air groove 3, a first air passage 12 is formed at the position where the dustproof ring 9 is contacted with the top end of the air ring 15, the first air passage 12 is communicated with the annular air groove 3, the air ring and the waterproof cover form an L-shaped step structure, an exhaust port is formed between the waterproof cover 14 and the dustproof ring 9, an air bag 11 is fixedly installed in the annular air groove 3, a second air passage 13 is formed at the position where the air ring 15 is contacted with the rotor 2 and in the direction of the waterproof cover 14, the second air passage 13 passes through the path of the air ring 15 and is provided with an, the first air path 12, the second air path 13 and the third air path 14 are communicated with the exhaust port, the third air path 16 is formed at the position where the air ring 15 is contacted with the rotor 2 and towards the lower end of the rotor 2, and the third air path 16 is communicated with the compressed air outlet 4 and the annular air groove 3.

When the air bag structure is used, 2 branch circuits are additionally arranged, the air bag 11 is additionally provided with an exhaust gas path, a gap exists between the dustproof ring 9 and the air ring 15, the air bag blows towards the waterproof cover in the front, the gas path is additionally arranged on the end face of the exhaust hole, splashing on the end face can be prevented, and the structure has obvious effect due to the direction of the cooling liquid of the horizontal machine tool. Meanwhile, at the moment of air seal inflation, the pressure inside the main shaft is small, and part of compressed air enters the main shaft due to pressure difference. Because the compressed air consists of water and gas; the two physical properties are different, water moves along the wall, air moves along the middle and moves towards the low-pressure direction under the action of air pressure difference, the inverted triangle is added on the outer circle of the rotor 2 and can be used for storing instant water vapor and preventing water from entering, when the pressure is equal, the air is discharged from the compressed air outlet 4, dust and water vapor on the adsorption and surface can be taken away in the process, and the machining precision of the spindle is improved.

Compressed air enters the dust-proof ring 9 and enters the air bag 11, and a part of the compressed air is discharged from the end surface gaps of the air passage I12, the waterproof cover 14 and the dust-proof ring 15, so that air flow is formed at an air outlet between the waterproof cover and the dust-proof ring, the cooling of the front end of the spindle can be effectively prevented from splashing water, and when the spindle is used for a horizontal machine tool, the effect is more detailed; part of the air flow enters a gap between the air ring 15 and the rotor 2 through annular holes uniformly distributed in the air ring 15, the periphery of the rotor 2 is cleaned, and then the air flow is discharged from a gap between the waterproof cover 14 and the air ring 15 and between the dustproof rings 9 through an air outlet between the waterproof cover 14 and the dustproof rings 9 to clean the front end of the main shaft; a part of the air flow rushes through the gap between the rotor 2 and the dust ring 9 and is then discharged from the compressed air outlet, and simultaneously the cleaning of the front end of the spindle is more thorough, and the spindle effect is superior to that of the previous spindle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for main shaft terminal surface gas blowing device, includes handle of a knife (1) and rotor (2), the fixed block rotor (2) of lower extreme of handle of a knife (1), its characterized in that: the dustproof ring (9) is fixedly installed on the left and right sides of the upper end of the rotor (2), a waterproof cover (14) is fixedly clamped at the position, in contact with the rotor (2), of the top end of the dustproof ring (9), an air ring (15) is connected among the rotor (2), the dustproof ring (9) and the waterproof cover (14) in a threaded mode, an air ring groove (3) is formed in the dustproof ring (9), and the position of the air ring groove (3) is matched with the position of the air ring (15);

the outer side of the lower end of the rotor (2) is fixedly provided with a front bearing (6), and the front bearing (6) is far away from the rotor (2)AA front bearing assembly (7) convenient for fixing the front bearing (6) is fixedly arranged on the side, the front bearing assembly (7) is fixedly connected with a dustproof ring (9), a compressed air inlet pipe (10) is fixedly arranged in one side of the front bearing assembly (7), and the compressed air inlet pipe (10) extends from the front bearing assembly (7) to the dustproof ring (9) and is communicated with the ring air groove (3);

and a compressed air outlet (4) is formed in the transverse direction of one side of the dustproof ring (9) which is symmetrical to the compressed air inlet pipe (10), and the compressed air outlet (4) is communicated with the annular air groove (3).

2. The end face air blowing device for the main shaft according to claim 1, wherein: the ring air groove (3), the rotor (2) and the front bearing (6) are connected in an inserting and clamping mode through outer partition rings (5) and inner partition rings (8), the outer partition rings (5) and the inner partition rings (8) are identical in shape, and the outer partition rings (5) and the inner partition rings (8) are fixed in an inserting and clamping mode through bending.

3. The end face air blowing device for the main shaft according to claim 1, wherein: the position that dust ring (9) and the top of gas ring (15) contacted forms gas circuit (12), gas circuit (12) are linked together with ring gas groove (3), ring gas groove (3) internal fixation installs gasbag (11), the position that gas ring (15) and rotor (2) contacted just forms gas circuit two (13) to the direction of waterproof cover (14), gas circuit two (13) are linked together with ring gas groove (3), the position that gas ring (15) and rotor (2) contacted just forms gas circuit three (16) to the lower extreme of rotor (2), gas circuit three (16) are linked together with compressed air outlet (4) and ring gas groove (3).

4. The end face air blowing device for the main shaft according to claim 3, wherein: and grooves are formed in the path of the gas circuit III (16) and on the rotor (2) to form a temporary water storage platform (17).

5. The end face air blowing device for the main shaft according to claim 3, wherein: and the second air passage (13) passes through the path of the air ring (15) and is provided with an annular hole on the air ring (15), the air ring and the waterproof cover form an L-shaped step structure, and an exhaust port is formed between the waterproof cover (14) and the dustproof ring (9).