CN202004569U

CN202004569U - Waterproof and dustproof device for high-speed motor

Info

Publication number: CN202004569U
Application number: CN2011200559652U
Authority: CN
Inventors: 赵应泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-03
Filing date: 2011-03-03
Publication date: 2011-10-05
Anticipated expiration: 2021-03-03

Abstract

A waterproof and dustproof device for a high-speed motor comprises a fixing seat, a flying disc and a waterproof cover, wherein, a bearing is arranged between the bottom of a motor cylinder body and the fixing seat so as to hold a rotating shaft in a pivoted manner, and the rotating shaft downwards penetrates out of a through hole formed at the center of the fixing seat; an air feeding aperture passage communicated downwards is formed at the inner part of a cylinder wall of the motor cylinder body; the flying disc is fixedly arranged on the periphery of the rotating shaft; a flying ring and a fixing ring which are concentric mutually are arranged on the periphery of the flying disc and the inner circumference of the fixing seat in a sleeving and clearance fit manner; a zigzag air ring way is formed between the flying ring and the fixing ring; an air inlet hole positioned at one end of an air inlet aperture passage formed on the fixing seat is communicated with the air feeding aperture passage, and an air outlet hole positioned at the other end of the air inlet aperture passage is communicated with the zigzag air ring way, so that air can pass through the air feeding aperture passage, the air inlet aperture passage and the zigzag air ring way in sequence and is continuously spewed from the lower part; and therefore, the waterproof and dustproof device can effectively prevent external water and dust from intruding the bearing, ensures the service life and the quality of the bearing, improves the efficiency and the precision of processing operation, saves manpower, material resources and time, and has industrial value in use.

Description

The high-speed motor dust and water proof apparatus

Technical field

The utility model relates to a kind of high-speed motor dust and water proof apparatus, particularly relates to a kind of dust and water proof apparatus that high-speed motor rotating shaft hypomere bearing uses of specializing in.

Background technology

In the general precision machined manufacture process of workpiece, often use high-speed motor and drive various particular tool, workpiece being cut, grind, holes and/or procedure of processing such as cutting, and then improve working (machining) efficiency and quality.

At present high-speed motor basically between the inner metal (upper of motor body pivot hold a hollow axle that contains rotor, place an actuating strut in the central duct of rotating shaft, with normality stretching bottom open flume type chuck folder stationary knife tool.And motor body top winding one pneumatic cylinder, and its piston rod down stretches to actuating strut.

When changing the assembling cutter, drive the pneumatic cylinder pushing piston-rod, actuating strut bottom chuck is stretched out in pushing away of rotating shaft pull out the hole, open flume type chuck elasticity is opened, for the cutter of changing institute's palpus.Control the piston rod of pneumatic cylinder then and regain, then actuating strut recovery elastic force up stretches chuck with folder stationary knife tool.

When high-speed motor drives rotating shaft and cutter high speed rotating cutting and grinding workpiece, can produce a large amount of smear metal dust relatively, and cleaning fluid on the surface of the work or the splash everywhere of cooling water liquid, so that these splash water liquid and dust are invaded easily in the bearing of motor body bottom, cause bearing to reduce useful life, influence processing operating efficiency and quality, and need frequent change bearing, serious waste human and material resources and time.Therefore to how to address the above problem and defective, be utmost point desire research of relevant dealer institute and the problem place of improving.

The utility model content

Main purpose of the present utility model provides a kind of high-speed motor dust and water proof apparatus, the rotating shaft of this high-speed motor is in conjunction with flying disc, cooperate the periphery holder to form tortuous air circuit again, to continue to spray air down, can effectively stop extraneous water liquid and dust to invade the high-speed motor internal bearings, guarantee the useful life and the quality of bearing, improve processing operating efficiency and accuracy, and save human and material resources and time, possess value on the industry.

For achieving the above object, of the present utility modelly provide a kind of high-speed motor dust and water proof apparatus, wherein be provided with bearing between motor cylindrical shell bottom and the holder, hold a rotating shaft that passes holder centre through hole down, be provided with an air feed duct that connects in the barrel inside of motor cylindrical shell down with pivot; This dust and water proof apparatus includes a flying disc and is fixedly arranged on the rotating shaft periphery, be provided with the flying barrel circle of sleeve matched in clearance concentrically with respect to one another and fixing ring in this flying disc periphery and the holder week, with at the flying barrel circle and fixedly constitute a tortuous air circuit between the ring, the air inlet duct one end air admission hole of this holder is communicated in the air feed duct, its other end venthole then is communicated in tortuous air circuit, and air is sprayed via the below of air feed duct, air inlet duct and tortuous air circuit in regular turn.

In preferred embodiment, the fixedly ring of this holder is made as down and protrudes out, and the flying barrel circle of this flying disc is made as up and protrudes out.Further, this holder is provided with a base ring ditch, and to hold relative flying barrel circle, this flying disc is provided with the apical ring ditch, to hold the ring that is relatively fixed.

In preferred embodiment, the air inlet duct other end venthole of this holder is for radially running through the through hole of holder.Further, this holder inside is communicated with in the air inlet duct other end and is provided with a circuit radially, has the venthole that a plurality of ring-types are provided with at interval along the radial loop road, radially to connect the through hole of holder.

In preferred embodiment, these flying disc outer peripheral edges are provided with the air dam that guides air down towards tortuous air circuit.Further, the air dam of this flying disc can be made as spiral tooth or annular tooth.

In preferred embodiment, a waterproof cover that contains center port is fixed in this holder bottom, hiding below in flying disc, and the formation one complications circuit of giving vent to anger between the relative outer peripheral edges of this waterproof cover inner peripheral with flying disc, to be connected in tortuous air circuit, air is sprayed down via the complications circuit of giving vent to anger.

Owing to take above technical scheme, the utlity model has following beneficial effect: in the rotating shaft of the utility model high speed motor in conjunction with flying disc, cooperate the periphery holder to form tortuous air circuit again, to continue to spray air down, can effectively stop extraneous water liquid and dust to invade the high-speed motor internal bearings, guarantee the useful life and the quality of bearing, improve processing operating efficiency and accuracy, and save human and material resources and time, possess value on the industry.

Description of drawings

Fig. 1 is applied to the stereogram of high-speed motor for the dust and water proof apparatus of the utility model preferred embodiment.

Fig. 2 is the end view of Fig. 1 high-speed motor and its dust and water proof apparatus.

Fig. 3 is the three-dimensional exploded view of Fig. 1 motor cylindrical shell and joint chair.

Fig. 4 is the stereogram of Fig. 1 motor cylindrical shell.

Fig. 5 is the local cutaway view that amplifies of Fig. 2 high-speed motor and its dust and water proof apparatus.

Fig. 6 is the three-dimensional exploded view of Fig. 5 main member.

Fig. 7 is the exploded view of Fig. 5 main member.

Fig. 8 is the exploded view of Fig. 5 dust and water proof apparatus holder.

Fig. 9 is the partial enlarged drawing of Fig. 5 dust and water proof apparatus.

Figure 10 is the user mode figure of Fig. 9 dust and water proof apparatus.

Figure 11 is that another implements structure chart as Fig. 9 dust and water proof apparatus.

Figure 12 is as the another enforcement structure chart of Fig. 9 dust and water proof apparatus.

Figure 13 one implements structure chart again as Fig. 9 dust and water proof apparatus.

The main element symbol description:

1 motor cylindrical shell, 11 rotating shafts, 12 sleeves

13 chucks, 14 bearing chambers, 15 air feed ducts

16 bearings, 17 cooling water ducts, 18 cutters

19 hold-doun nuts, 101 screws, 102 screws

2 holders, 21 through holes 22 are ring fixedly

23 base ring ditches, 24 fixing holes, 25 air inlet ducts

26 ring 27 air admission holes 28 ventholes of giving vent to anger

29 circuits radially

3 flying discs, 31 through holes, 32 flying barrel circles

33 apical ring ditches, the 34 tortuous air circuit 35 complications circuit of giving vent to anger

36 air dams, 37 air dams, 38 flying discs

4 waterproof covers, 41 center port, 42 fixing holes

43 bolts, 44 waterproof covers

Be spirally connected mouthful 52 through holes of 5 Connection Blocks 51

53 bolts, 54 air vents, 55 cooling water holes

56 supply air lines, 57 cooling water pipelines

6 pneumatic cylinders.

Embodiment

Relevant the utility model is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof enumerate possible embodiments now, and conjunction with figs. are described as follows:

At first, see also Fig. 1 to Fig. 5, dust and water proof apparatus of the present utility model is mainly used in high-speed motor, invades high-speed motor inside to stop extraneous water liquid and dust.As shown in the figure, the motor cylindrical shell of high-speed motor 1 cooperates top sleeve 12 common combination a connecting seat 5 and through hole 52 thereof, and with the relative screw of a plurality of bolt 53 interlockings 101 location, again by mouthful 51 interlocking pneumatic cylinders 6 that are spirally connected of Connection Block 5.

At Fig. 1 to the preferred embodiment shown in Figure 9, high-speed motor dust and water proof apparatus of the present utility model includes a holder 2, a flying disc 3 and a waterproof cover 4, as shown in the figure, be provided with bearing 16 between motor cylindrical shell bottom bearing chamber 14 1 and the bottom holder 2, holding a rotating shaft 11 and a hold-doun nut 19 thereof that passes holder 2 centre through holes 21 down with pivot locatees, and rotating shaft 11 peripheries contain rotor, cooperate motor associated component and power line again, and pneumatic cylinder 6 can drive control chuck 13 and clamps or discharge various cuttings with cutters 18.Be provided with the air feed duct 15 of a up/down perforation in the barrel inside of motor cylindrical shell 1 and sleeve 12 thereof, and the cooling water duct 17 that communicates of a plurality of complications, again via relative air vent 54, the cooling water hole 55 of Connection Block 5, to connect extraneous supply air line 56, cooling water pipeline 57.

Dust and water proof apparatus of the present utility model is located holder 2 via fixing hole 24 interlockings with bolt 43 in the screw 102 of motor cylindrical shell 1, and flying disc 3 is fixedly arranged on rotating shaft 11 peripheries with through hole 31, be provided with the flying barrel circle 32 of sleeve matched in clearance concentrically with respect to one another and fixing ring 22 in flying disc 3 peripheries and the holder 2 week, with at flying barrel circle 32 and fixedly constitute a tortuous air circuit 34 between the ring 22, and the air inlet duct 25 1 end air admission holes 27 of holder 2 are communicated in

air feed duct

15,28 of its other end ventholes are communicated in tortuous air circuit 34, make air in regular turn via air feed duct 15 shown in Figure 10, the below ejection of air inlet duct 25 and tortuous air circuit 34.And holder 2 bottoms are fixed with waterproof cover 4 and center port 41 thereof, and fitted bolt 43 is located in screw 102 via

fixing hole

24,42 interlockings, to hide in the below of flying disc 3, make and constitute the complications circuit 35 of giving vent to anger between waterproof cover 4 inner peripherals and the flying disc 3 relative outer peripheral edges, to be connected in tortuous air circuit 34 up, air is sprayed down via the complications circuit 35 of giving vent to anger, can effectively stop extraneous water liquid and dust to invade the bearing 16 of motor cylindrical shell 1, guarantee the useful life and the quality of bearing 16, improve processing operating efficiency and accuracy.

Go on to say the combining structure of high-speed motor dust and water proof apparatus of the present utility model, extremely shown in Figure 10 as Fig. 5, the fixedly ring 22 of holder 2 is made as down and protrudes out, and the flying barrel circle 32 of flying disc 3 is made as and protrudes out up, and holder 2 can be provided with a base ring ditch 23, and to hold relative flying barrel circle 32, flying disc 3 then is provided with apical ring ditch 33, to hold the ring 22 that is relatively fixed, constitute more suitable tortuous air circuit 34.And air inlet duct 25 other end ventholes 28 of holder 2 are for radially running through the through hole 21 of holder 2, to be communicated in tortuous air circuit 34.In the preferred embodiment as shown in the figure, holder 2 inside cooperate the ring 26 of giving vent to anger in air inlet duct 25 other ends, be provided with a circuit 29 radially with connection, has the venthole 28 that a plurality of ring-types are provided with at interval along 29 of circuits radially, radially connecting the through hole 21 of holder 2 respectively, and be communicated in tortuous air circuit 34.

In preferred embodiment shown in Figure 11, flying disc 3 outer peripheral edges can be provided with the air dam 36 that guides air down towards tortuous air circuit 34, and the air dam 36 of flying disc 3 can be made as the spiral tooth, perhaps as shown in figure 12 air dam 37 is made as annular tooth or blade, to strengthen delivery air down; And in shown in Figure 13, can adopt the flying disc 38 of simplifying shape to cooperate waterproof cover 44.

In sum, dust and water proof apparatus of the present utility model mainly in the rotating shaft 11 of high-speed motor in conjunction with flying disc 3, cooperate periphery holder 2 to form tortuous air circuit 34 again, to continue to spray air down, can effectively stop extraneous water liquid and dust to invade motor cylindrical shell 1 inner bottom part bearing 16, guarantee the useful life and the quality of bearing 16, improve processing operating efficiency and accuracy, and save human and material resources and time, possess value on the industry.

Above illustrated embodiment is only used the utility model for convenience of description, and is not in a limitative way, not from the utility model spirit category, the those skilled in the art various simple and easy variation and the modification that can do, all must include in the scope of claims.

Claims

1. a high-speed motor dust and water proof apparatus is characterized in that, is provided with bearing between motor cylindrical shell bottom and the holder, holds a rotating shaft that passes holder centre through hole down with pivot, is provided with an air feed duct that connects down in the barrel inside of motor cylindrical shell; This dust and water proof apparatus includes a flying disc and is fixedly arranged on the rotating shaft periphery, be provided with the flying barrel circle of sleeve matched in clearance concentrically with respect to one another and fixing ring in this flying disc periphery and the holder week, with at the flying barrel circle and fixedly constitute a tortuous air circuit between the ring, the air inlet duct one end air admission hole of this holder is communicated in the air feed duct, its other end venthole then is communicated in tortuous air circuit, and air is sprayed via the below of air feed duct, air inlet duct and tortuous air circuit in regular turn.

2. high-speed motor dust and water proof apparatus according to claim 1 is characterized in that, the fixedly ring of this holder is made as down and protrudes out, and the flying barrel circle of this flying disc is made as up and protrudes out.

3. high-speed motor dust and water proof apparatus according to claim 2 is characterized in that, this holder is provided with a base ring ditch, and to hold relative flying barrel circle, this flying disc is provided with the apical ring ditch, to hold the ring that is relatively fixed.

4. high-speed motor dust and water proof apparatus according to claim 1 is characterized in that, the air inlet duct other end venthole of this holder is for radially running through the through hole of holder.

5. high-speed motor dust and water proof apparatus according to claim 4, it is characterized in that, this holder inside is communicated with in the air inlet duct other end and is provided with a circuit radially, has the venthole that a plurality of ring-types are provided with at interval along the radial loop road, radially to connect the through hole of holder.

6. high-speed motor dust and water proof apparatus according to claim 1 is characterized in that, these flying disc outer peripheral edges are provided with the air dam that guides air down towards tortuous air circuit.

7. high-speed motor dust and water proof apparatus according to claim 6 is characterized in that the air dam of this flying disc is made as the spiral tooth.

8. high-speed motor dust and water proof apparatus according to claim 6 is characterized in that the air dam of this flying disc is made as annular tooth.

9. high-speed motor dust and water proof apparatus according to claim 6, it is characterized in that, a waterproof cover that contains center port is fixed in this holder bottom, to hide below in flying disc, constitute the complications circuit of giving vent to anger between the relative outer peripheral edges of this waterproof cover inner peripheral with flying disc, to be connected in tortuous air circuit, air is sprayed down via the complications circuit of giving vent to anger.