CN107998774A - A kind of dust-extraction unit - Google Patents
A kind of dust-extraction unit Download PDFInfo
- Publication number
- CN107998774A CN107998774A CN201711455429.XA CN201711455429A CN107998774A CN 107998774 A CN107998774 A CN 107998774A CN 201711455429 A CN201711455429 A CN 201711455429A CN 107998774 A CN107998774 A CN 107998774A
- Authority
- CN
- China
- Prior art keywords
- shaft
- filtration apparatus
- helical gear
- top plate
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 81
- 230000000694 effects Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000037303 wrinkles Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 14
- 238000013517 stratification Methods 0.000 description 10
- 238000005422 blasting Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to technical field of dust removal equipment, discloses a kind of dust-extraction unit, and the dust-extraction unit is arranged on top plate, includes the driving device and intermeshing upper helical gear, lower helical gear of the rotation of filtration apparatus installing plate, shaft, drive shaft；The top of shaft passes through top plate, and the top of shaft corresponds to upper screw thread and lower screw thread are equipped with above and below top plate respectively, taper roll bearing is equipped between upper screw thread and top plate in shaft, its outer ring is fixed with top plate；Upper locking nut is equipped with upper screw thread；Plane bearing is equipped with shaft between lower screw thread and top plate, its outer ring is fixed with top plate, and lower locking nut is equipped with lower screw thread.Upper helical gear is fixedly mounted on filtration apparatus installing plate, and the lower part of shaft seals, lower helical gear is fixed on the lower end of shaft through filtration apparatus installing plate and upper helical gear between shaft and filtration apparatus installing plate.Filtration apparatus installing plate is equipped with least one guide post, and top plate is equipped with the sliding sleeve being slidably matched with guide post.
Description
Technical field
The invention belongs to technical field of dust removal equipment, more particularly to a kind of dust-extraction unit.
Background technology
During existing metal works production and processing, some workpiece need to carry out table as ball blast in shot-blasting machine
Surface treatment technique.At work, projectile impact workpiece surface can produce substantial amounts of dust to shot-blasting machine, to ensure operative employee's building ring
The safety in border, often filters the dusty gas in shot-blasting machine using dust-extraction unit, but after long-time use, dust stratification is easy
It is deposited on dust-extraction unit and needs to be replaced frequently filter core, inconvenience is caused to production and processing.
The content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of dedusting dress that can shake off dust stratification in real time
Put, the dust-extraction unit can effectively reduce the replacement of filter core, improve the efficiency of dust collection of device.
Technical solution is used by the present invention realizes its technical purpose：
A kind of dust-extraction unit, the dust-extraction unit are arranged on top plate, including filtration apparatus installing plate, shaft, drive shaft turn
Dynamic driving device and intermeshing upper helical gear, lower helical gear.
The top of the shaft passes through top plate, is sealed between shaft and top plate, and the top of shaft corresponds to the upper of top plate respectively
Side and lower section are equipped with upper screw thread and lower screw thread, and taper roll bearing, taper roller are equipped between upper screw thread and top plate in shaft
The inner ring of bearing is fixed with shaft, and outer ring is fixed with top plate；Upper locking nut is equipped with upper screw thread；In shaft lower screw thread with
Plane bearing is equipped between top plate, inner ring and the shaft of plane bearing are fixed, and outer ring is fixed with top plate, are equipped with down on lower screw thread
Locking nut.The structure setting of above-mentioned shaft is used for the axial runout of anti-rotation shaft.
The upper helical gear is fixedly mounted on filtration apparatus installing plate, the lower part of shaft through filtration apparatus installing plate with
Upper helical gear, seals between shaft and filtration apparatus installing plate, and the lower helical gear is fixed on the lower end of shaft；The filtering dress
Put installing plate and be equipped with clutch shaft bearing, inner ring and the shaft of clutch shaft bearing are slidably matched, and outer ring is fixed with filtration apparatus installing plate.
The filtration apparatus installing plate is equipped with least one guide post, and the top plate is equipped with the cunning being slidably matched with guide post
Set.
Preferably, the lower helical gear is a lower disc with helical teeth, the helical teeth is arranged on above lower disc
Along the circumferentially distributed of lower disc, the helical teeth includes rake and vertical component effect, the rake between vertical component effect without transition；Institute
It is a upper disk with helical teeth to state helical gear, and the helical teeth is set below upper disk along the circumferentially distributed of upper disk, institute
Stating helical teeth includes rake and vertical component effect, the rake between vertical component effect without transition, the upper disc centre be equipped with one with
The through hole that shaft coordinates.
Preferably, the field of conjugate action of the rake of the upper disk and lower disc is an inclined plane.
Preferably, the filtration apparatus includes the dedusting filtering bag of the software of a lower ending opening, dedusting filtering bag lower end is fixed,
The dedusting filtering bag upper end is tightly connected with filtration apparatus installing plate, is equipped with the dedusting filtering bag and is used to that dedusting filtering bag will to be supported
Support bar, support bar is vertically arranged, and the dedusting filtering bag periphery is equipped with least one stiffening ring, when filtration apparatus installing plate exists
During support bar upper end, dedusting filtering bag in the vertical direction is equipped with telescopic fold.
Preferably, the upper helical gear respectively has 8 teeth with lower helical gear.
Preferably, the field of conjugate action of the rake of the upper disk and lower disc is curved surface.
Preferably, the guide post has three.
Preferably, the driving device is decelerating motor, the upper end of the shaft and the output shaft of decelerating motor pass through
Belt transmission agency connects.
Preferably, the upper locking nut is two and tight nut, the lower locking nut is two and tight spiral shell
It is female.
The beneficial effects of the invention are as follows：
The present invention is rotated by the cooperation between upper helical gear and lower helical gear, filtration apparatus is plunked down simultaneously after being raised above
Finally fall on lower helical gear, it is achieved thereby that filtration apparatus is shaken off dust stratification by shaking.
Decelerating motor drive shaft rotates, under helical gear rake rotate, it is opposite with upper helical gear rake sliding
Dynamic, filtration apparatus installing plate slowly rises upwards, and because of fixing seal below dedusting filtering bag, the fold on dedusting filtering bag stretches, when
Under helical gear rake when departing from upper helical gear rake（Helical gear vertical component effect exists with upper helical gear vertical component effect under i.e.
When on same vertical line）, by gravity, the helical gear rake fitting with of upper helical gear rake is upper helical gear
Vertical component effect helical gear vertical component effect with fits, and filtration apparatus installing plate is fallen, and the stiffening ring of dedusting filtering bag periphery is by gravity
Effect is fallen, and stiffening ring has dedusting filtering bag downward active force, is given a shock the dust stratification on dedusting filtering bag and shaken off, shaken off
Dust stratification afterwards falls into lower shell.
Lower shell is equipped with sealed valve, and worker can be timed cleaning to the dust stratification on lower shell.
Brief description of the drawings
Fig. 1 is the structure diagram of the processing unit described in the embodiment of the present invention.
Fig. 2 is the structure diagram of present invention vibrations ash-discharging device.
Description of symbols：1st, rack；
2nd, upper shell；21st, outlet tube；22nd, upper overturning；23rd, top plate；24th, sliding sleeve；
3rd, lower shell；31st, inlet tube；32nd, ash discharging hole；33rd, sealed valve；34th, lower flange；
43rd, clutch shaft bearing；
5th, ash-discharging device is shaken；51st, upper helical gear；511st, upper disk；512nd, rake；513rd, vertical component effect；52nd, lower helical gear；
521st, lower disc；522nd, rake；523rd, vertical component effect；53rd, shaft；54th, belt transmission agency；55th, upper locking nut；56th, under
Locking nut；57th, taper roll bearing；58th, plane bearing；59th, filtration apparatus installing plate；50th, guide post；
6th, dedusting filtering bag；61st, fixed seal ring；62nd, support bar；63rd, stiffening ring.
Embodiment
With reference to the accompanying drawings, to the present invention by taking the dusty gas processing unit using dedusting village of the present invention as an example
Technical solution be described in further detail.
As shown in Figs. 1-2, the dusty gas processing unit of a kind of shot-blasting machine, including rack 1, the cylinder that is arranged in rack 1
Body, and the dust-extraction unit being arranged in cylinder, the cylinder include upper shell 2 and lower shell 3, lower shell 3 be equipped with one with
The air outlet connection of shot-blasting machine（That is dusty gas）Inlet tube 31, the upper shell 2 be equipped with one with shot-blasting machine air inlet
Connection（Purification gas is discharged）Outlet tube 21.The dust-extraction unit includes the dedusting of the software of lower ending opening
Filter bag 6 and the vibrations ash-discharging device 5 that dust stratification on dedusting filtering bag 6 is removed for shaking.The lower end of the dedusting filtering bag 6 is fixed close
Envelope is arranged on the bottom of upper shell 2, and the dedusting filtering bag 6 is by the air exclusion between lower shell 3 and upper shell 2.Dusty gas
The gas entered from inlet tube 31 enters lower shell 3, is filtered by dedusting filtering bag 6 to the upper shell 2 outside dedusting filtering bag 6,
Discharged again by outlet tube 21.
The upper shell 2 is overall cylindrical in shape, including top plate 23 and side wall, its lower ending opening, remaining place is totally-enclosed, the upper cylinder
2 lower part of body is additionally provided with the bottom plate that a circle is used to install dedusting filtering bag 6.
The lower shell 3 is up big and down small funnel-form, and 3 bottom of lower shell is equipped with an ash discharging hole 32, the row
Grey mouth 32 is equipped with sealed valve 33.Timing cleaning dust stratification can be realized by sealed valve 33.
2 lower end periphery of upper shell is additionally provided with upper overturning 22, and the 3 upper end periphery of lower shell is equipped with lower flange 34, institute
Upper overturning 22 is stated to be fixed in rack 1 by bolt seal with lower flange 34.
The vibrations ash-discharging device 5 includes the decelerating motor that filtration apparatus installing plate 59, shaft 53, drive shaft 53 rotate
And intermeshing upper helical gear 51, lower helical gear 52.
6 upper end of dedusting filtering bag is tightly connected with filtration apparatus installing plate 59.6 lower end of dedusting filtering bag, which is equipped with, to be fixed
6 lower end of dedusting filtering bag is fixedly mounted on the bottom plate of upper shell 2 by sealing ring 61, the fixed seal ring 61, the dedusting filter
Bag 6 is connected with lower shell 3, and the air insulated between upper shell 2 and lower shell 3,6 upper end of dedusting filtering bag are filled with filtering
Put installing plate 59 to be tightly connected, the more support bars 62 for being used to support dedusting filtering bag 6, support bar are equipped with the dedusting filtering bag 6
62 are vertically arranged, and support bar 62 is fixedly connected with retainer plate.When upper helical gear 51 is engaged with lower helical gear 52, filtration apparatus peace
Loading board 59 is in 62 upper end of support bar.The periphery of the dedusting filtering bag 6 is additionally provided with three stiffening rings 63.When filtration apparatus installing plate 59
When being in 62 upper end of support bar, dedusting filtering bag 6 has telescopic fold in vertical direction.
The top of the shaft 53 pass through upper shell 2 top plate 23, sealed between shaft 53 and top plate 23, shaft 53 it is upper
Portion corresponds to upper screw thread and lower screw thread are equipped with above and below top plate 23 respectively, is set in shaft 53 between upper screw thread and top plate 23
There is taper roll bearing 57, inner ring and the shaft 53 of taper roll bearing 57 are fixed, its outer ring is solid by bearing block and top plate 23
It is fixed；Upper locking nut 55 is equipped with upper screw thread；Plane bearing 58, plane are equipped with shaft 53 between lower screw thread and top plate 23
The inner ring of bearing 58 is fixed with shaft 53, its outer ring is fixed by bearing block and top plate 23, and lower locking screw is equipped with lower screw thread
Mother 56.
Specifically, the upper locking nut 55 is two and tight nut, and the lower locking nut 56 is for two and tight
Nut.
The upper helical gear 51 is fixedly mounted on filtration apparatus installing plate 59, and the lower part of shaft 53 is pacified through filtration apparatus
Loading board 59 and upper helical gear 51, seal, the lower helical gear 52 is fixed on shaft between shaft 53 and filtration apparatus installing plate 59
53 lower end；The filtration apparatus installing plate 59 is equipped with clutch shaft bearing 43, and the inner ring of clutch shaft bearing 43 is slided with shaft 53 matches somebody with somebody
Close, its outer ring is fixed by bearing block and filtration apparatus installing plate 59；
The filtration apparatus installing plate 59 is equipped with two guide posts 50, and the top plate 23 is equipped with the cunning being slidably matched with guide post 50
Set 24.
53 upper end of shaft is driven by decelerating motor by belt transmission agency 54.
Specifically, as shown in Fig. 2, the lower helical gear 52 is a lower disc 521 with helical teeth, the helical teeth is set
Along the circumferentially distributed of lower disc 521 above lower disc 521, the helical teeth includes rake 522 and vertical component effect 523, described to incline
Inclined portion 522 is arrived between vertical component effect 523 without transition.Specifically, the upper helical gear 51 is a upper disk 511 with helical teeth,
The helical teeth sets the upper lower section of disk 511 to include rake 512 and vertical component effect along the circumferentially distributed of upper disk 511, the helical teeth
513, the rake 512 is arrived between vertical component effect 513 without transition.The rake 512 of the upper disk 511 and lower disc 521,
522 field of conjugate action is an inclined plane.The upper disk 511 is fixedly connected with filtration apparatus installing plate 59, the upper circle
511 centre position of disk is equipped with one and accommodates the through hole that shaft 53 passes through.
When decelerating motor drive shaft 53 rotates, the rake 522 of lower helical gear 52 rotates, itself and upper helical gear 51
Rake 512 is opposite to be slided, and filtration apparatus installing plate 59 slowly rises upwards, because of 6 lower section fixing seal of dedusting filtering bag, dedusting filter
Fold stretching on bag 6, when the rake 522 of helical gear 52 departs from the rake 512 of upper helical gear 51 instantly（Descend helical gear
The vertical component effect 513 of 52 vertical component effect 523 and upper helical gear 51 is when on same vertical line）, by gravity, upper helical gear 51
The rake 522 of rake 512 and lower helical gear 52 is bonded, and the vertical component effect 513 of upper helical gear 51 is vertical with lower helical gear 52
Portion 523 fits, and filtration apparatus installing plate 59 is fallen, and the stiffening ring 63 of 6 periphery of dedusting filtering bag is fallen by gravity, stiffening ring
63 pairs of dedusting filtering bags 6 have downward active force, are given a shock the dust stratification on dedusting filtering bag 6 and are shaken off, the dust stratification after shaking off falls
Enter in lower shell 3.
Claims (9)
1. a kind of dust-extraction unit, the dust-extraction unit is arranged on top plate, it is characterised in that including filtration apparatus installing plate, is turned
The driving device and intermeshing upper helical gear, lower helical gear that axis, drive shaft rotate；
The top of the shaft passes through top plate, is sealed between shaft and top plate, the top of shaft correspond to respectively top plate top and
Lower section is equipped with upper screw thread and lower screw thread, and taper roll bearing, taper roll bearing are equipped between upper screw thread and top plate in shaft
Inner ring fixed with shaft, outer ring is fixed with top plate；Upper locking nut is equipped with upper screw thread；In lower screw thread and top plate in shaft
Between be equipped with plane bearing, inner ring and the shaft of plane bearing are fixed, and outer ring is fixed with top plate, and lower locking is equipped with lower screw thread
Nut；
The upper helical gear is fixedly mounted on filtration apparatus installing plate, the lower part of shaft through filtration apparatus installing plate with it is upper tiltedly
Gear, seals between shaft and filtration apparatus installing plate, and the lower helical gear is fixed on the lower end of shaft；The filtration apparatus peace
Loading board is equipped with clutch shaft bearing, and inner ring and the shaft of clutch shaft bearing are slidably matched, and outer ring is fixed with filtration apparatus installing plate；
The filtration apparatus installing plate is equipped with least one guide post, and the top plate is equipped with the sliding sleeve being slidably matched with guide post.
2. dust-extraction unit according to claim 1, it is characterised in that the lower helical gear is a lower circle with helical teeth
Disk, the helical teeth are arranged on above lower disc along the circumferentially distributed of lower disc, and the helical teeth includes rake and vertical component effect, described
Rake between vertical component effect without transition；The upper helical gear is a upper disk with helical teeth, and the helical teeth sets circle
Include rake and vertical component effect, the rake to nothing between vertical component effect along the circumferentially distributed of upper disk, the helical teeth below disk
Transition, the upper disc centre are equipped with a through hole coordinated with shaft.
3. dust-extraction unit according to claim 2, it is characterised in that the upper disk is engaged with the rake of lower disc
Face is an inclined plane.
4. dust-extraction unit according to claim 1, it is characterised in that the filtration apparatus includes the software of a lower ending opening
Dedusting filtering bag, dedusting filtering bag lower end fixes, and the dedusting filtering bag upper end is tightly connected with filtration apparatus installing plate, the dedusting
It is equipped with filter bag and is used to that the support bar of dedusting filtering bag will to be supported, support bar is vertically arranged, and the dedusting filtering bag periphery is equipped with least
One stiffening ring, when filtration apparatus installing plate is in support bar upper end, dedusting filtering bag in the vertical direction is equipped with telescopic pleat
Wrinkle.
5. dust-extraction unit according to claim 1, it is characterised in that the upper helical gear respectively has 8 teeth with lower helical gear.
6. dust-extraction unit according to claim 2, it is characterised in that the upper disk is engaged with the rake of lower disc
Face is curved surface.
7. dust-extraction unit according to claim 1, it is characterised in that the guide post has three.
8. dust-extraction unit according to claim 1, it is characterised in that the driving device is decelerating motor, the shaft
Upper end and the output shaft of decelerating motor connected by belt transmission agency.
9. dust-extraction unit according to claim 1, it is characterised in that the upper locking nut is two and tight nut,
The lower locking nut is two and tight nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711455429.XA CN107998774A (en) | 2017-12-28 | 2017-12-28 | A kind of dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711455429.XA CN107998774A (en) | 2017-12-28 | 2017-12-28 | A kind of dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107998774A true CN107998774A (en) | 2018-05-08 |
Family
ID=62062109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711455429.XA Pending CN107998774A (en) | 2017-12-28 | 2017-12-28 | A kind of dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107998774A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335344A (en) * | 1970-11-11 | 1973-10-24 | Serck Industries Ltd | Dust filtration apparatus |
| CN2386873Y (en) * | 1999-07-30 | 2000-07-12 | 山东建筑材料工业学院 | Complex precoated bag duster |
| CN204428988U (en) * | 2015-01-09 | 2015-07-01 | 陈苹 | The eccentric wheel sack cleaner of easy cleaning dust |
| CN208003611U (en) * | 2017-12-28 | 2018-10-26 | 浙江宝威电气有限公司 | A kind of dust-extraction unit |
-
2017
- 2017-12-28 CN CN201711455429.XA patent/CN107998774A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1335344A (en) * | 1970-11-11 | 1973-10-24 | Serck Industries Ltd | Dust filtration apparatus |
| CN2386873Y (en) * | 1999-07-30 | 2000-07-12 | 山东建筑材料工业学院 | Complex precoated bag duster |
| CN204428988U (en) * | 2015-01-09 | 2015-07-01 | 陈苹 | The eccentric wheel sack cleaner of easy cleaning dust |
| CN208003611U (en) * | 2017-12-28 | 2018-10-26 | 浙江宝威电气有限公司 | A kind of dust-extraction unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180508 |
|
| RJ01 | Rejection of invention patent application after publication |