CN208878766U - A kind of air-flow crusher with hermetic seal protection - Google Patents
A kind of air-flow crusher with hermetic seal protection Download PDFInfo
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- CN208878766U CN208878766U CN201821407702.1U CN201821407702U CN208878766U CN 208878766 U CN208878766 U CN 208878766U CN 201821407702 U CN201821407702 U CN 201821407702U CN 208878766 U CN208878766 U CN 208878766U
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- motor
- main shaft
- copper sheathing
- axle sleeve
- sealing shroud
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Abstract
The utility model relates to a kind of air-flow crushers with hermetic seal protection, including motor, motor copper sheathing, main shaft, grading wheel, crushing chamber and gas passage for high-pressure air source, the main shaft and grading wheel are set in the crushing chamber, one end of motor copper sheathing is connect with the motor, the other end of motor copper sheathing extends to the crushing chamber, one end of main shaft is connected to motor through the motor copper sheathing, the other end of main shaft is connect with the grading wheel, gas passage passes through broken chamber outer wall and motor copper sheathing is communicated with the cavity of crushing chamber, there is spacing between the main shaft and motor copper sheathing, the outside of the main shaft is successively arranged axle sleeve and sealing shroud from the inside to the outside, the axle sleeve and the main shaft are interference fitted, the sealing shroud and the axle sleeve are interference fitted.The air-flow crusher sealing effect of the utility model is good, not will cause material and accumulates in motor copper sheathing and gap of main reinforcement, the abrasion of main shaft can be greatly reduced, improves the service life of main shaft.
Description
Technical field
The utility model relates to technical field of sealing technology, and in particular to a kind of air-flow crusher with hermetic seal protection.
Background technique
Generally there are imperceptible gaps between the motor copper sheathing and main shaft of existing air-flow crusher, when machine run starts
Moment, cavity internal pressure increase, cause micro mist material to be blown into the gap between motor copper sheathing and main shaft, make to electric machine main shaft
At abrasion, especially when air-flow crusher be used to carry out superhard material it is broken when, superhard material enters motor copper sheathing and main shaft
Between gap after serious abrasion is caused to electric machine main shaft, cause crusher that cannot run well.Furthermore main shaft is close to classification
Wheel part is generally sealed using 304 stainless steels, when carry out superhard material it is broken when, 304 stainless steel sealing shrouds are easily ground
Damage.
Utility model content
The purpose of the utility model is to overcome the above the deficiencies in the prior art, provide a kind of gas with hermetic seal protection
Crusher is flowed, including motor, motor copper sheathing, main shaft, grading wheel, crushing chamber and for the gas passage of high-pressure air source, the main shaft
It is set in the crushing chamber with grading wheel, one end of motor copper sheathing is connect with the motor, and the other end of motor copper sheathing extends to
One end of the crushing chamber, main shaft is connected to motor through the motor copper sheathing, and the other end of main shaft is connect with the grading wheel,
Gas passage passes through broken chamber outer wall and motor copper sheathing is communicated with the cavity of crushing chamber, between having between the main shaft and motor copper sheathing
Away from the outside of the main shaft is successively arranged axle sleeve and sealing shroud from the inside to the outside, and the axle sleeve and the main shaft are interference fitted, described
Sealing shroud and the axle sleeve are interference fitted.The air-flow crusher sealing effect of the utility model is good, not will cause material in motor
It is accumulated in copper sheathing and gap of main reinforcement, the abrasion of main shaft can be greatly reduced, improve the service life of main shaft.Preferably, pass through change
The direction of the gas blown out in hermetic seal channel, makes material not blow to grading wheel directly, has the function of protecting grading wheel.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
A kind of air-flow crusher, including motor, motor copper sheathing, main shaft, grading wheel, crushing chamber and for the gas of high-pressure air source
Channel, the main shaft and grading wheel are set in the crushing chamber, and one end of motor copper sheathing is connect with the motor, motor copper sheathing
The other end extends to the crushing chamber, and one end of main shaft is connected to motor through the motor copper sheathing, the other end of main shaft and institute
Grading wheel connection is stated, gas passage passes through broken chamber outer wall and motor copper sheathing is communicated with the cavity of crushing chamber, the main shaft and electricity
There is spacing between machine copper sheathing, the outside of the main shaft is successively arranged axle sleeve and sealing shroud, the axle sleeve and the master from the inside to the outside
Axis interference fit, the sealing shroud and the axle sleeve are interference fitted.
Preferably, the axle sleeve from nearly motor side to remote motor extreme direction successively include the first axle sleeve and the second axle sleeve,
One axle sleeve and the second axle sleeve are integral and internal diameter is consistent with main shaft outer diameter, and the outer diameter of the first axle sleeve is greater than the outer of the second axle sleeve
Diameter.
It is highly preferred that first axle sleeve is slidably connected with motor copper sheathing.
Even more preferably, the sealing shroud from nearly motor side to remote motor extreme direction successively include the first sealing shroud and
Second sealing shroud, the first sealing shroud and the second sealing shroud are integral and internal diameter is consistent with the outer diameter of the second axle sleeve, the first sealing
Outer diameter of the outer diameter of set less than the second sealing shroud, nearly first sleeve end and nearly first sealing shroud of the first axle sleeve of the first sealing shroud
End interference fit.
Further it is highly preferred that the first sealing shroud with a thickness of 1~2mm, the second sealing shroud with a thickness of 3~6mm.
Further it is highly preferred that the gas passage include the gas path pipe successively penetrated through, motor copper sheathing inlet channel,
First hermetic seal channel and the second hermetic seal channel, the second hermetic seal channel are communicated with the cavity of crushing chamber, the motor copper sheathing
Inlet channel passes through motor copper sheathing, and first hermetic seal channel is formed between first sealing shroud and motor copper sheathing, described
Second hermetic seal channel is formed between second sealing shroud and motor copper sheathing.
Again further it is highly preferred that first hermetic seal channel is circular passage, second hermetic seal channel is
Circular passage.
Again further it is highly preferred that the distance of the lateral wall away from main-shaft core in the first hermetic seal channel is less than the second sealing
Distance of the lateral wall of set away from main-shaft core.
Again further it is highly preferred that the width in first hermetic seal channel is 0.05~0.1mm.
Again further it is highly preferred that the width in second hermetic seal channel is 0.05~0.1mm.
Preferably, further include in following technical characteristic at least one of:
1) further include for high-pressure air source unit, it is described to be connected to for high-pressure air source unit with gas passage；
2) material of axle sleeve is 304 stainless steels；
3) material of sealing shroud is polyurethane material.
The utility model provide it is a kind of with hermetic seal protection air-flow crusher, including motor, motor copper sheathing, main shaft,
Grading wheel, crushing chamber and the gas passage for high-pressure air source, the main shaft and grading wheel are set in the crushing chamber, motor copper sheathing
One end connect with the motor, the other end of motor copper sheathing extends to the crushing chamber, and the motor is run through in one end of main shaft
Copper sheathing is connected to motor, and the other end of main shaft is connect with the grading wheel, and gas passage passes through broken chamber outer wall and motor copper sheathing
It is communicated with the cavity of crushing chamber, there is spacing between the main shaft and motor copper sheathing, the outside of the main shaft is successively set from the inside to the outside
There are axle sleeve and sealing shroud, the axle sleeve and the main shaft are interference fitted, and the sealing shroud and the axle sleeve are interference fitted.This is practical
Novel air-flow crusher sealing effect is good, not will cause material and accumulates in motor copper sheathing and gap of main reinforcement, can be greatly reduced
The abrasion of main shaft improves the service life of main shaft.Preferably, the sealing shroud is successively wrapped from nearly motor side to remote motor extreme direction
The first sealing shroud and the second sealing shroud are included, the first sealing shroud and the second sealing shroud are integral and the outer diameter of internal diameter and the second axle sleeve
Unanimously, outer diameter of the outer diameter of the first sealing shroud less than the second sealing shroud, nearly first sleeve end and the first axle sleeve of the first sealing shroud
Nearly first sealing shroud end interference fit, i.e., be set as step-like on the outside of sealing shroud, thus it is possible to vary the gas blown out in hermetic seal channel
The direction of body, makes material not blow to grading wheel directly, has the function of protecting grading wheel.Preferably, sealing shroud uses polyurethane
Material can be effectively reduced abrasion caused when superhard material classification, improve service life, and it is miscellaneous to introduce metal
Matter, the pickling after avoiding material from being classified remove problem of environmental pollution brought by metal impurities.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air-flow crusher of the utility model.
Fig. 2 is the air-flow crusher partial profile structure of the utility model.
Fig. 3 is the schematic cross-section of the air-flow crusher axis part of the utility model.
Appended drawing reference:
1 motor
2 motor copper sheathings
3 main shafts
31 axle sleeves
311 first axle sleeves
312 second axle sleeves
32 sealing shrouds
321 first sealing shrouds
322 second sealing shrouds
4 grading wheels
5 crushing chambers
6 gas passages
61 motor copper sheathing inlet channels
62 first hermetic seal channels
63 second hermetic seal channels
7 for high-pressure air source unit
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It please refers to Fig.1 to Fig.3.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to
Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model
Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
The air-flow crusher of the utility model, as shown in Figure 1, Figure 2 and Figure 3, including motor 1, motor copper sheathing 2, main shaft 3,
Grading wheel 4, crushing chamber 5 and the gas passage 6 for high-pressure air source, the main shaft 3 and grading wheel 4 are set in the crushing chamber 5, electricity
One end of machine copper sheathing 2 is connect with the motor 1, and the other end of motor copper sheathing 2 extends to the crushing chamber 5, and one end of main shaft 3 is passed through
It wears the motor copper sheathing 2 to connect with motor 1, the other end of main shaft 3 is connect with the grading wheel 4, and gas passage 6 passes through crushing chamber
5 outer walls and motor copper sheathing 2 are communicated with the cavity of crushing chamber 5, there is spacing, the main shaft 3 between the main shaft 3 and motor copper sheathing 2
Outside be successively arranged axle sleeve 31 and sealing shroud 32 from the inside to the outside, the axle sleeve 31 is interference fitted with the main shaft 3, the sealing
Set 32 is interference fitted with the axle sleeve 31, and sealing effect is good, not will cause material and is accumulated in motor copper sheathing and gap of main reinforcement, pole
The abrasion of big reduction main shaft, improves the service life of main shaft.
In a preferred embodiment, the axle sleeve 31 from nearly motor side to remote motor extreme direction successively include first axle
Set 311 and second axle sleeve 312, the first axle sleeve 311 and the second axle sleeve 312 is integral and internal diameter is consistent with 3 outer diameter of main shaft, first
The outer diameter of axle sleeve 311 is greater than the outer diameter of the second axle sleeve 312.
In a preferred embodiment, first axle sleeve 311 is slidably connected with motor copper sheathing 2.It is slidably connected and refers to
Two object contacts, but be not fixed, the two can opposite sliding.
In a preferred embodiment, the sealing shroud 32 from nearly motor side to remote motor extreme direction successively include first
Sealing shroud 321 and the second sealing shroud 322, the first sealing shroud 321 and the second sealing shroud 322 are integral and internal diameter and the second axle sleeve
312 outer diameter is consistent, the outer diameter of the first sealing shroud 321 less than the second sealing shroud 322 outer diameter, nearly the of the first sealing shroud 321
Nearly first sealing shroud end of one sleeve end and the first axle sleeve 311 is interference fitted, and is set as step-like on the outside of sealing shroud, thus it is possible to vary gas
The direction of the gas blown out in sealed passage, makes material not blow to grading wheel directly, has the function of protecting grading wheel.
In a preferred embodiment, the first sealing shroud 321 with a thickness of 1~2mm, the thickness of the second sealing shroud 322
For 3~6mm.
In a preferred embodiment, the gas passage 6 includes the gas path pipe successively penetrated through, motor copper sheathing air inlet
Channel 61, the first hermetic seal channel 62 and the second hermetic seal channel 63, the second hermetic seal channel 63 is connected to crushing chamber 5, described
Motor copper sheathing inlet channel 61 passes through motor copper sheathing 2, forms described first between first sealing shroud 321 and motor copper sheathing 2
Hermetic seal channel 62 forms second hermetic seal channel 63 between second sealing shroud 322 and motor copper sheathing 1.
In a preferred embodiment, first hermetic seal channel 62 is circular passage, and second hermetic seal is logical
Road 63 is circular passage.
In a preferred embodiment, the air flue that second hermetic seal channel 63 is formed is perpendicular to main shaft, Ke Yigai
The direction for becoming the gas blown out in hermetic seal channel, makes material not blow to grading wheel directly, has the function of protecting grading wheel, example
Such as: side wall of the side wall in the first hermetic seal channel 62 perpendicular to the second hermetic seal channel 63.
In a preferred embodiment, the width in first hermetic seal channel 62 is 0.05~0.1mm.
In a preferred embodiment, the width in second hermetic seal channel 63 is 0.05~0.1mm.
In a preferred embodiment, further include in following technical characteristic at least one of:
1) further include for high-pressure air source unit 7, it is described to be connected to for high-pressure air source unit 7 with gas passage 6；The gas is logical
Road 6 includes gas path pipe, motor copper sheathing inlet channel 61, the first hermetic seal channel 62 and the second hermetic seal channel successively penetrated through
63, high-pressure air source unit 7 is connected to gas path pipe,
2) material of axle sleeve 31 is 304 stainless steels；
3) material of sealing shroud 32 is polyurethane material.
When work, high-pressure air source is entered by gas passage 6 in the cavity of crushing chamber 5, the main shaft 3 and motor copper sheathing 2
Between have a spacing, the outside of the main shaft 3 is successively arranged axle sleeve 31 and sealing shroud 32, the axle sleeve 31 and the master from the inside to the outside
Axis 3 is interference fitted, and the sealing shroud 32 is interference fitted with the axle sleeve 31, prevents material heap in motor copper sheathing and gap of main reinforcement
Product, can be greatly reduced the abrasion of main shaft, improves the service life of main shaft.Preferably, high-pressure air source passes through gas path pipe, motor copper
It covers inlet channel 61 and enters the first hermetic seal channel 62 and the second hermetic seal channel 63, be then blown into the cavity of crushing chamber 5, institute
It successively includes the first sealing shroud 321 and the second sealing shroud 322 that sealing shroud 32, which is stated, from nearly motor side to remote motor extreme direction, and first is close
Big envelope 321 and the second sealing shroud 322 are integral and internal diameter is consistent with the outer diameter of the second axle sleeve 312, outside the first sealing shroud 321
Outer diameter of the diameter less than the second sealing shroud 322, nearly first axle sleeve, 311 end of the first sealing shroud 321 and nearly the first of the first axle sleeve 311
321 end of sealing shroud interference fit, so that the path that gas is blown into is turned by the direction of the direction grading wheel in the first hermetic seal channel 62
It is changed to point to the intracorporal direction of 5 chamber of crushing chamber, high-pressure air source is blown by the first hermetic seal channel 62 and the second hermetic seal channel 63
Enter in the cavity of crushing chamber, prevents material from entering the gap between motor copper sheathing and sealing shroud, avoid material to sealing shroud and copper
The abrasion of set, meanwhile, change the direction of the gas blown out in hermetic seal channel, material is made not blow to grading wheel directly, has and protect
Protect the effect of grading wheel.
The air-flow crusher sealing effect of the utility model is good, not will cause material in motor copper sheathing and gap of main reinforcement
Accumulation, can be greatly reduced the abrasion of main shaft, improves the service life of main shaft.Preferably, thus it is possible to vary hermetic seal is blown out in channel
Gas direction, so that material is not blowed to grading wheel directly, have the function of protect grading wheel.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (11)
1. a kind of air-flow crusher, which is characterized in that including motor (1), motor copper sheathing (2), main shaft (3), grading wheel (4), break
Broken room (5) and gas passage (6) for high-pressure air source, the main shaft (3) and grading wheel (4) are set in the crushing chamber (5), electricity
One end of machine copper sheathing (2) is connect with the motor (1), and the other end of motor copper sheathing (2) extends to the crushing chamber (5), main shaft
(3) one end is connect through the motor copper sheathing (2) with motor (1), and the other end of main shaft (3) is connect with the grading wheel (4),
Gas passage (6) passes through crushing chamber (5) outer wall and motor copper sheathing (2) and communicates with the cavity of crushing chamber (5), the main shaft (3) and
There is spacing between motor copper sheathing (2), the outside of the main shaft (3) is successively arranged axle sleeve (31) and sealing shroud (32) from the inside to the outside,
The axle sleeve (31) and the main shaft (3) are interference fitted, and the sealing shroud (32) and the axle sleeve (31) are interference fitted.
2. air-flow crusher as described in claim 1, which is characterized in that the axle sleeve (31) is from nearly motor side to remote motor side
Direction successively includes the first axle sleeve (311) and the second axle sleeve (312), and the first axle sleeve (311) and the second axle sleeve (312) are integral
And internal diameter is consistent with main shaft (3) outer diameter, the outer diameter of the first axle sleeve (311) is greater than the outer diameter of the second axle sleeve (312).
3. air-flow crusher as claimed in claim 2, which is characterized in that first axle sleeve (311) and motor copper sheathing (2) are sliding
Dynamic connection.
4. air-flow crusher as claimed in claim 3, which is characterized in that the sealing shroud (32) is from nearly motor side to remote motor
Extreme direction successively includes the first sealing shroud (321) and the second sealing shroud (322), the first sealing shroud (321) and the second sealing shroud
(322) it is integral and internal diameter is consistent with the outer diameter of the second axle sleeve (312), the outer diameter of the first sealing shroud (321) is close less than second
The outer diameter of big envelope (322), nearly first sleeve end of the first sealing shroud (321) and nearly first sealing shroud end of the first axle sleeve (311)
Interference fit.
5. air-flow crusher as claimed in claim 4, which is characterized in that the first sealing shroud (321) with a thickness of 1~2mm,
Two sealing shrouds (322) with a thickness of 3~6mm.
6. air-flow crusher as claimed in claim 4, which is characterized in that the gas passage (6) includes the gas successively penetrated through
Road pipeline, motor copper sheathing inlet channel (61), the first hermetic seal channel (62) and the second hermetic seal channel (63), the second hermetic seal
Channel (63) is communicated with the cavity of crushing chamber (5), and the motor copper sheathing inlet channel (61) passes through motor copper sheathing (2), and described the
First hermetic seal channel (62), second sealing shroud (322) are formed between one sealing shroud (321) and motor copper sheathing (2)
Second hermetic seal channel (63) is formed between motor copper sheathing (2).
7. air-flow crusher as claimed in claim 6, which is characterized in that first hermetic seal channel (62) is that annular is logical
Road, second hermetic seal channel (63) are circular passage.
8. air-flow crusher as claimed in claim 6, which is characterized in that the air flue that second hermetic seal channel (63) is formed
Perpendicular to main shaft.
9. air-flow crusher as claimed in claim 6, which is characterized in that the width in first hermetic seal channel (62) is
0.05~0.1mm.
10. air-flow crusher as claimed in claim 6, which is characterized in that the width in second hermetic seal channel (63) is
0.05~0.1mm.
11. air-flow crusher as described in claim 1, which is characterized in that further include at least one in following technical characteristic:
1) further include for high-pressure air source unit (7), it is described to be connected to for high-pressure air source unit (7) with gas passage (6)；
2) material of axle sleeve (31) is 304 stainless steels；
3) material of sealing shroud (32) is polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407702.1U CN208878766U (en) | 2018-08-29 | 2018-08-29 | A kind of air-flow crusher with hermetic seal protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407702.1U CN208878766U (en) | 2018-08-29 | 2018-08-29 | A kind of air-flow crusher with hermetic seal protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208878766U true CN208878766U (en) | 2019-05-21 |
Family
ID=66510406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821407702.1U Active CN208878766U (en) | 2018-08-29 | 2018-08-29 | A kind of air-flow crusher with hermetic seal protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208878766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534884A (en) * | 2022-01-07 | 2022-05-27 | 江苏晋瑄陶瓷设备有限公司 | Powder melting and crushing machine |
-
2018
- 2018-08-29 CN CN201821407702.1U patent/CN208878766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534884A (en) * | 2022-01-07 | 2022-05-27 | 江苏晋瑄陶瓷设备有限公司 | Powder melting and crushing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An airflow crusher with air seal protection Effective date of registration: 20230807 Granted publication date: 20190521 Pledgee: Agricultural Bank of China Limited Shanghai Songjiang Sub-branch Pledgor: CR GEMS SUPERABRASIVES CO.,LTD. Registration number: Y2023980051176 |