CN214118954U - Slicer main shaft and seal structure thereof - Google Patents
Slicer main shaft and seal structure thereof Download PDFInfo
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- CN214118954U CN214118954U CN202023147648.1U CN202023147648U CN214118954U CN 214118954 U CN214118954 U CN 214118954U CN 202023147648 U CN202023147648 U CN 202023147648U CN 214118954 U CN214118954 U CN 214118954U
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Abstract
The utility model discloses a slicer main shaft and a sealing structure thereof, which comprises a movable sealing ring arranged on a main shaft central shaft, a flange plate arranged on the outer side of the main shaft central shaft, a static sealing ring arranged on the flange plate, an oil retainer ring arranged corresponding to a bearing outer ring on the outer side of the main shaft central shaft, and a spacer ring arranged between the main shaft central shaft and the bearing inner ring, an air supply groove for temporarily storing compressed air is formed between the flange plate and the static sealing ring, the dynamic sealing ring and the static sealing ring are arranged adjacently, an air curtain air passage is formed in the space between the dynamic sealing ring and the static sealing ring, the air supply groove is communicated with the air curtain air passage to form a back blowing air curtain to prevent foreign matters from entering, the sealing structure improves the sealing effect by utilizing the centrifugal force of the rotating part, increases the difficulty of foreign matters entering the sealing structure, meanwhile, the foreign matter can be effectively discharged, the foreign matter is prevented from flowing backwards, and the service life of the main shaft is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the silicon chip processing, specifically speaking relates to a slicer main shaft and seal structure thereof.
Background
Along with the development of photovoltaic trade, require more and more high to the reliability of crystal silicon slicer, wherein the leakproofness problem of crystal silicon slicer headstock directly influences the reliability of crystal silicon slicer.
When the crystal silicon slicing machine works, the working environment of the main shaft box is severe, a large amount of water vapor and silicon powder formed by cutting exist, once the water vapor and the silicon powder enter the main shaft box, the main shaft fails, and the work of the slicing machine is influenced.
Accordingly, further developments and improvements are still needed in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at various defects in the prior art, in order to solve the problems, the slicer main shaft and the sealing structure thereof are provided, and the sealing structure is provided with a multi-layer sealing structure, so that foreign matters can be effectively prevented from entering a bearing, and the foreign matters are prevented from flowing backwards into the sealing structure.
In order to achieve the above object, the utility model provides a following technical scheme:
a main shaft sealing structure of a slicing machine comprises a movable sealing ring, a flange plate, a static sealing ring, an oil retainer and a spacer ring, wherein the movable sealing ring is installed on a main shaft central shaft, the flange plate is arranged on the outer side of the main shaft central shaft, the static sealing ring is arranged on the flange plate, the oil retainer corresponds to the outer ring of a bearing on the outer side of the main shaft central shaft, the spacer ring is arranged between the main shaft central shaft and the inner ring of the bearing, an air supply groove for temporarily storing compressed air is formed between the flange plate and the static sealing ring, the movable sealing ring and the static sealing ring are arranged adjacently, an air curtain air passage is formed in the space between the movable sealing ring and the static sealing ring, and the air supply groove and the air curtain air passage are communicated to form a back blowing air curtain to prevent foreign matters from entering.
Preferably, the top of the flange plate is provided with a first air supply channel, the first air supply channel is communicated with the air supply groove to provide compressed air for the air supply groove, and an inlet of the first air supply channel is connected with a second air supply channel arranged on a bearing sleeve outside the bearing.
Preferably, move and still be provided with the foreign matter that is used for holding the dirty chamber of holding of foreign matter and prevents that the foreign matter from getting into between sealing ring and the static sealing ring and end the indent, set up in the air vent on the static sealing ring, hold dirty chamber and pass through air vent and air feed tank intercommunication, hold dirty chamber and foreign matter and end the indent intercommunication, the entry and air curtain air flue intercommunication are ended to the foreign matter, and compressed gas loops through the air feed tank, holds dirty chamber, foreign matter and ends indent and air curtain air flue formation blowback air curtain.
Preferably, the bottom of the flange plate is provided with a sewage draining channel for draining foreign matters in the sewage containing cavity, a sewage draining hole is formed between the sewage containing cavity and the sewage draining channel, and the sewage containing cavity is communicated with the sewage draining channel through the sewage draining hole.
Preferably, the flange plate is provided with a water baffle corresponding to the sewage discharge channel, and the water baffle is arranged on the outer side of the flange plate.
Preferably, hold dirty chamber and set up to a plurality ofly, every holds dirty chamber and corresponds and be provided with a blowdown hole, and the blowdown passageway holds dirty chamber intercommunication through every blowdown hole and every respectively.
Preferably, a first labyrinth seal for preventing foreign matters from entering the main shaft is arranged between the dynamic sealing ring and the flange.
Preferably, a second labyrinth for preventing foreign matters from entering the bearing is provided between the spacer and the slinger.
A slicer spindle including a slicer spindle seal as described above.
Has the advantages that:
the utility model provides a slicer main shaft and seal structure thereof, this seal structure improves sealed effect through the centrifugal force that utilizes rotary part, the increase foreign matter gets into seal structure's the degree of difficulty, ensure simultaneously that the foreign matter can't continue to get into seal structure along the rotary part profile, can effectively promote the discharge of foreign matter simultaneously, the blowback air curtain that the compressed gas formed is more even, avoid the blowback air curtain to appear pumping phenomenon, good labyrinth seal structure can be when preventing the foreign matter to get into the bearing, prevent the compressed gas to get into the bearing, the foreign matter of discharging simultaneously is discharged along main shaft non-working end, the foreign matter has been avoided pouring backward, the life of main shaft is improved.
Drawings
Fig. 1 is a schematic structural view of a spindle sealing structure of a slicer according to embodiment 1 of the present invention;
FIG. 2 is an enlarged view of FIG. 1A;
FIG. 3 is an enlarged view of FIG. 1B;
fig. 4 is a schematic structural diagram of a spindle sealing structure of a slicer in embodiment 2 of the present invention.
In the drawings: 100 movable sealing rings, 110 sewage containing cavities, 111 sewage discharging holes, 120 foreign matter stopping grooves, 130 first labyrinth seals, 200 flange plates, 210 air supply grooves, 220 first air supply channels, 230 sewage discharging channels, 240 water baffles, 300 static sealing rings, 310 air curtain air channels, 320 vent holes, 400 oil baffles, 410 second labyrinth seals, 500 spacing rings, 600 central shafts, 700 bearings, 800 bearing sleeves and 810 second air supply channels
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.
Example 1:
the utility model provides a slicer main shaft seal structure as shown in fig. 1-3, it is including installing movable sealing ring 100 on main shaft center pin 600, setting up ring flange 200 on the main shaft center pin 600 outside, setting up static sealing ring 300 on ring flange 200, corresponding the oil scraper ring 400 that main shaft center pin 600 outside bearing 700 outer lane set up, and setting up the spacer 500 between main shaft center pin 600 and bearing 700 inner circle, form the air supply groove 210 of the compressed air of keeping in between ring flange 200 and static sealing ring 300, movable sealing ring 100 sets up adjacent with static sealing ring 300, and the space between movable sealing ring 100 and the static sealing ring 300 forms air curtain air flue 310, air supply groove 210 and air curtain air flue 310 communicate and form the blowback air curtain and prevent the foreign matter entering.
Specifically, the top of ring flange 200 is provided with first air feed channel 220, first air feed channel 220 and air feed groove 210 intercommunication provide compressed air for air feed groove 210, the entry of first air feed channel 220 is connected with the second air feed channel 810 that sets up on bearing housing 800 outside bearing 700, gaseous second air feed channel 810 and first air feed channel 220 through provide compressed gas in to air feed groove 210, compressed gas in air feed groove 210 carries out the equilibrium, make compressed gas prevent more evenly that the compressed air that gets into air curtain air flue 310 is intermittent, cause the blowback air curtain of formation to appear discontinuously, can not play the effect of good prevention foreign matter entering.
Specifically, move still to be provided with between sealing ring 100 and the static sealing ring 300 and be used for holding the dirty chamber 110 of holding of foreign matter and prevent that the foreign matter got into from ending the inlet groove 120, be provided with air vent 320 on the static sealing ring 300, hold dirty chamber 110 and pass through air vent 320 and air supply tank 210 intercommunication, hold dirty chamber 110 and prevent that the inlet groove 120 intercommunication is ended to the foreign matter, the foreign matter ends inlet groove 120 and air curtain air flue 310 intercommunication, compressed gas loops through air supply tank 210, holds dirty chamber 110, the foreign matter ends inlet groove 120 and air curtain air flue 310 and forms the blowback air curtain, be provided with the recess in holding dirty chamber 110, the foreign matter ends the inlet groove 120 and holds dirty chamber 110 and can intercept the foreign matter that the blowback air curtain got into the main shaft, gets rid of the foreign matter of holding dirty chamber 110 in through centrifugal action.
Specifically, the bottom of the flange 200 is provided with a drainage channel 230 for discharging foreign matters in the dirt containing cavity 110, a drainage hole 111 is arranged between the dirt containing cavity 110 and the drainage channel 230, the dirt containing cavity 110 is communicated with the drainage channel 230 through the drainage hole 111, the foreign matters in the groove of the dirt containing cavity 110 are discharged into the drainage channel 230 through the drainage hole 111, and the phenomenon that the foreign matters in the dirt containing cavity 110 are too much to cause the foreign matters to enter the main shaft through the gap of the dirt containing cavity 110 is prevented.
Specifically, the flange 200 is provided with a water baffle 240 corresponding to the sewage channel 230, the water baffle 240 is arranged outside the flange 200, the water baffle 240 can be detachably arranged, foreign matters on the water baffle 240 can be cleaned by detaching the water baffle 240, and the sewage channel 230 can be inspected and cleaned after detaching the water baffle 240, so that the sewage channel 230 is prevented from being blocked by the foreign matters, and the sewage effect of the whole sewage channel 230 is improved.
Specifically, hold dirty chamber 110 and set up to a plurality ofly, every holds dirty chamber 110 and corresponds and be provided with a blowdown hole 111, and blowdown channel 230 communicates with every dirt chamber 110 of holding through every blowdown hole 111 respectively, and a plurality ofly holds and is provided with the aperture between the dirty chamber 110 and communicate, and a plurality ofly holds the multiplicable quantity that holds the foreign matter in dirty chamber 110, and can increase the degree of difficulty that the foreign matter got into the main shaft through holding dirty chamber 110.
Specifically, a first labyrinth seal 130 for preventing foreign matters from entering the main shaft is disposed between the dynamic seal ring 100 and the flange 200.
Specifically, a second labyrinth 410 for preventing foreign matters from entering the bearing 700 is provided between the spacer 500 and the slinger 400.
A slicer spindle including a slicer spindle seal as described above.
The utility model discloses a prevent that the foreign matter gets into the main shaft inside and promote foreign matter discharge seal structure, ensure that the inside clean of main shaft is sealed, prevent that the main shaft from becoming invalid, prevent that the foreign matter from getting into the main shaft inside including following mode:
the outer diameter of the outline formed by the space ring 500, the central shaft 600 and the dynamic sealing ring 100 in the rotating component of the main shaft sealing structure of the utility model decreases progressively from outside to inside, and the difficulty of foreign matters entering the sealing structure is increased by the centrifugal effect during rotation;
the foreign matter stopping groove 120 and the dirt containing cavity 110 are arranged between the static sealing ring 300 and the movable sealing ring 100 of the utility model, so that the foreign matter can be further prevented from entering, and the entered foreign matter can be thrown into the groove of the dirt containing cavity 110 corresponding to the static sealing ring 300 through centrifugal force;
the first labyrinth seal 130 between the dynamic seal ring 100 and the flange 200, and the second labyrinth seal 410 between the oil retainer 400 and the spacer 500 of the utility model can prevent compressed gas and foreign matters from entering the bearing 700, and prevent the high pressure caused by the compressed gas from damaging the internal seal of the bearing 700;
compressed gas enters the gas supply groove 210 through the second gas supply channel 810 and the first gas supply channel 220, the gas supply groove 210 can preliminarily balance the compressed gas, and then the compressed gas enters the dirt containing cavity 110 through the vent holes 320, so that the compressed gas is further balanced, the compressed gas can be ensured to be continuously output, one part of the compressed gas entering the dirt containing cavity 110 forms a back-blowing gas curtain through the gas curtain gas channel 310 between the movable sealing ring 100 and the static sealing ring 300 to blow out a main shaft sealing structure, and the effect of continuously preventing foreign matters from entering the sealing structure is achieved;
the trapway 230 extends to the non-working end of the spindle to prevent discharged foreign matter from reentering the seal along the working end, while also preventing foreign matter from flowing back into the seal along the trapway 230 at the working end.
The utility model discloses promote foreign matter discharge seal structure includes following mode:
after the compressed gas enters the dirt containing cavity 110 through the vent hole 320, a part of the gas carries foreign matters thrown into the groove of the dirt containing cavity 110 corresponding to the static sealing ring 300 by centrifugal force and enters the dirt discharge channel 230 through the dirt discharge hole 111, and the foreign matters are blown out of the spindle through the non-working end of the spindle.
Example 2:
the same parts of embodiment 2 and embodiment 1 are not repeated, and the differences from embodiment 1 are shown in fig. 4, a main shaft central shaft 600 and a dynamic sealing ring 100 are combined to form a new main shaft central shaft 600, other parts are all the same as those of embodiment 1, an air curtain air passage 310, a dirt holding cavity 110 and a foreign matter inlet groove 120 are formed between the central shaft 600 and a static sealing ring 300, and a first labyrinth seal 130 is arranged between the central shaft 600 and a flange 200.
Compared with embodiment 1, embodiment 2 is simpler to assemble and reduces the process difficulty, but because the central shaft 600 is combined with the dynamic seal ring 100, the static seal ring 300 and the flange 200 cannot be maintained without dismantling the central shaft 600, and embodiment 1 which is easier to maintain or embodiment 2 which is easier to assemble can be selected according to needs.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (9)
1. A main shaft sealing structure of a slicing machine is characterized by comprising a movable sealing ring arranged on a main shaft central shaft, a flange plate arranged on the outer side of the main shaft central shaft, a static sealing ring arranged on the flange plate, an oil retainer ring arranged corresponding to the outer ring of a bearing on the outer side of the main shaft central shaft, and a spacer ring arranged between the main shaft central shaft and the inner ring of the bearing, wherein an air supply groove for temporarily storing compressed air is formed between the flange plate and the static sealing ring, the movable sealing ring and the static sealing ring are adjacently arranged, an air curtain air passage is formed in the space between the movable sealing ring and the static sealing ring, and the air supply groove is communicated with the air curtain air passage to form a back blowing air curtain to prevent foreign matters from entering.
2. The slicer spindle seal structure of claim 1, wherein the flange top is provided with a first air supply passage communicating with the air supply groove for supplying compressed air to the air supply groove, and an inlet of the first air supply passage is connected to a second air supply passage provided in the bearing housing outside the bearing.
3. The slicer main shaft sealing structure of claim 1, wherein a dirt holding cavity for holding foreign matters and a foreign matter stopping groove for preventing foreign matters from entering are further arranged between the dynamic sealing ring and the static sealing ring, the static sealing ring is provided with a vent hole, the dirt holding cavity is communicated with the gas supply groove through the vent hole, the dirt holding cavity is communicated with the foreign matter stopping groove, the foreign matter stopping groove is communicated with the gas curtain gas passage, and compressed gas sequentially passes through the gas supply groove, the dirt holding cavity, the foreign matter stopping groove and the gas curtain gas passage to form a back blowing gas curtain.
4. The slicer main shaft sealing structure according to claim 3, wherein a sewage draining channel for draining foreign matters in the sewage containing cavity is arranged at the bottom of the flange plate, a sewage draining hole is arranged between the sewage containing cavity and the sewage draining channel, and the sewage containing cavity is communicated with the sewage draining channel through the sewage draining hole.
5. The slicer spindle seal arrangement of claim 4, wherein the flange is provided with a water dam corresponding to the trapway, the water dam being disposed outside of the flange.
6. The slicer main shaft sealing structure according to claim 4, wherein the dirt holding cavity is provided in plurality, each dirt holding cavity is correspondingly provided with a dirt discharging hole, and the dirt discharging channel is communicated with each dirt holding cavity through each dirt discharging hole.
7. The slicer spindle seal arrangement of claim 1, wherein a first labyrinth seal is provided between the dynamic seal ring and the flange to prevent foreign matter from entering the spindle.
8. The slicer spindle seal of claim 1, wherein a second labyrinth seal is provided between the spacer and the slinger to prevent foreign matter from entering the bearing.
9. A microtome spindle comprising the microtome spindle seal of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023147648.1U CN214118954U (en) | 2020-12-23 | 2020-12-23 | Slicer main shaft and seal structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023147648.1U CN214118954U (en) | 2020-12-23 | 2020-12-23 | Slicer main shaft and seal structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214118954U true CN214118954U (en) | 2021-09-03 |
Family
ID=77514034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023147648.1U Active CN214118954U (en) | 2020-12-23 | 2020-12-23 | Slicer main shaft and seal structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214118954U (en) |
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2020
- 2020-12-23 CN CN202023147648.1U patent/CN214118954U/en active Active
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