CN103611439B - A kind of dust generation device - Google Patents
A kind of dust generation device Download PDFInfo
- Publication number
- CN103611439B CN103611439B CN201310633333.3A CN201310633333A CN103611439B CN 103611439 B CN103611439 B CN 103611439B CN 201310633333 A CN201310633333 A CN 201310633333A CN 103611439 B CN103611439 B CN 103611439B
- Authority
- CN
- China
- Prior art keywords
- base
- dust
- dispersing chamber
- guide rod
- vertical spacing
- 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.)
- Active
Links
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of dust generation device, comprise base, dispersing chamber, powder piece conveying device, dust dispersal device, described dispersing chamber is arranged on base, and this dispersing chamber is provided with air inlet and dust mouth, and the bottom of dispersing chamber is provided with powder block entrance; Described powder piece conveying device comprises the vertical barrel that is installed on dispersing chamber bottom, and the inner chamber of this barrel is communicated with dispersing chamber by powder block entrance, in described barrel, is provided with piston, and this piston drives with the piston driver being fixed on base; Described dust dispersal device comprises that disperseing brush and dispersion brush drive unit, this dispersion brush to horizontally rotate is installed in dispersing chamber, and this dispersion brush drive unit is fixed on base and drives dispersion brush to rotate. This dust generation device can be uniform and stable generation dust, be especially applicable in low concentration dust analogue means using.
Description
Technical field
The present invention relates to a kind of dust generation device for simulating dust environment.
Background technology
Environmental simulation technology is a new marginal technology, mainly studies the imageneering skill of various natural environmentsArt and under simulated environment the experimental technique of product; Ground environment analog machine mainly contains following a few class: low temperatureEnvironmental simulation, hot environment simulation, hygrothermal environment simulation, solar irradiation simulation, sand dust environmental simulation, rainEnvironmental simulation, dipping simulation, sour environment simulation, the simulation of explosive atmospheric environment, accumulated ice/sleet environment mouldFit mould environmental simulation etc. Once can be at the interior environmental reliability that carries out product after some environment simulations outTest, degree of accuracy correction or long duration test etc. So temporarily do not have for the simulation of dust atmosphere at presentEquipment, in dust generator, air-flow can produce and impact the dust of internal reservoir, thereby makes to produce dustConcentration is uncontrollable, and the generation of dust cannot ensure relatively consistent. Particularly dust concentration requirement 0.01～20mg/m3Low concentration dust generation device, its generation be more prone to change, more wayward
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of dust generation device, this dust generation deviceGeneration dust that can be uniform and stable, is especially applicable to using in low concentration dust analogue means.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of dust generation device, comprises the endSeat, dispersing chamber, powder piece conveying device, dust dispersal device, described dispersing chamber is arranged on base, shouldDispersing chamber is provided with air inlet and dust mouth, and the bottom of dispersing chamber is provided with powder block entrance; Described powder pieceConveying device comprises the vertical barrel that is installed on dispersing chamber bottom, and the inner chamber of this barrel is by powder block entranceBe communicated with dispersing chamber, in described barrel, be provided with piston, this piston and the piston actuated dress being fixed on basePut driving; Described dust dispersal device comprises dispersion brush and dispersion brush drive unit, and this dispersion brush horizontally rotatesBe installed in dispersing chamber, this dispersion brush drive unit is fixed on base and drives and disperses brush to rotate.
As the preferred scheme of one, described piston driver comprises drive motors, decelerator, leading screw spiral shellParent agency, the leading screw of described screw-nut body vertically rotates and is installed on base, the upper end of this leading screw and workPlug is alignment vertically, and the nut rotation of this screw-nut body is installed on base, drive motors and decelerator peaceBe loaded on base, output shaft and the reducer input shaft of drive motors are in transmission connection, reducer output shaft and spiral shellMother is in transmission connection, and is installed on vertical spacing guide rod on described base, on described leading screw, is installed with positioning disk,On this positioning disk, be provided with the limiting section rotating with vertical spacing guide rod engagement limits leading screw.
As the preferred scheme of one, described vertical spacing guide rod is detachably installed on base, described baseOn be provided with the He Xia hole, upper hole of being convenient to vertical spacing guide rod plug-in mounting, described vertical spacing guide rod vertically runs throughHe Xia hole, hole, the bottom of described vertical spacing guide rod is provided with ladder axial region, and this ladder axial region is plugged in lower holeIn.
As the preferred scheme of one, on described reducer output shaft, be provided with active synchronization wheel, on base, turnMoving driven synchronizing wheel is installed, described nut is fixed on driven synchronizing wheel with one heart, described active synchronization wheel andBetween driven synchronizing wheel, be provided with Timing Belt.
As the preferred scheme of one, the stopper slot that described limiting section is open loop, the number of this stopper slot is manyIndividual and circumference uniform distribution is on positioning disk, and described vertical spacing guide rod is in one of them stopper slot.
Adopted after technique scheme, effect of the present invention is: in this dust generation device, adopt powder piece 1.Conveying device is carried, and disperses brush and powder piece end contact to brush out dust, compares current loose powder and sendMaterial, produces concentration stable and uniform more, and the air-flow in dispersing chamber can not produce any impact to powder piece, fromNeed how many dust and realized, accurately brush is how many to disperse brush, and can be applicable to producing micro-dust, makes to produceDust Capacity is more accurate; This dust generation device disperse the stabilization of speed of brush controlled, piston move up defeatedSend controlled, make so powder piece and disperse brush unit interval in contact consistency of thickness, thereby in the unit intervalOutput Dust Capacity can accurately control. In sum, the generation powder that this dust generation device can be uniform and stableDirt, is especially applicable to using in low concentration dust analogue means.
Because described vertical spacing guide rod is detachably installed on base, on described base, be provided with and be convenient to erect againThe He Xia hole, upper hole of straight spacing guide rod plug-in mounting, described vertical spacing guide rod vertically runs through He Xia hole, hole, described inThe bottom of vertical spacing guide rod is provided with ladder axial region, and this ladder axial region is plugged in lower hole, therefore, due toThe speed that leading screw moves up is very low, and the rotating speed that therefore drive motors rotates by decelerator drive nut is non-Often little, after the powder piece in barrel is finished so, need leading screw to retreat downwards, even drive motors merit nowRate starts to maximum, and the reset of leading screw also may need several hours longer times even, now, and can be byDrive motors stops, and vertical spacing guide rod is extracted out and separated with positioning disk, and like this, leading screw is at himself gravityWith under the drive of positioning disk gravity, rotate freely whereabouts, thereby can complete fast reset, save time.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the embodiment of the present invention;
In accompanying drawing: 1. base; 2. dispersing chamber; 3. disperse brush; 4. barrel; 5. piston; 6. powder piece; 7. disperseBrush motor; 8. drive motors; 9. decelerator; 10. active synchronization wheel; 11. driven synchronizing wheels; 12. leading screws; 13.Nut; 14. positioning disks; 15. vertical spacing guide rods.
Detailed description of the invention
Below by specific embodiment, the present invention is described in further detail.
Upper and lower, left and right described in the present invention are to determine while rear work being installed with this dust generation device.
As shown in Figure 1, a kind of dust generation device, comprises base 1, dispersing chamber 2, powder piece 6 conveying dressesPut, dust dispersal device, this base 1 comprises the lower bottom base and the superposed upper bed-plate that are positioned at bottom, instituteState dispersing chamber 2 and be arranged on base 1, be specifically fixed on upper bed-plate, this dispersing chamber 2 is provided with air intakeMouth and dust mouth, this dust mouth is preferably level, and the bottom of dispersing chamber 2 is provided with powder piece 6 entrances;Described powder piece 6 conveying devices comprise the vertical barrel 4 that is installed on dispersing chamber 2 bottoms, in this barrel 4Chamber is communicated with dispersing chamber 2 by powder piece 6 entrances, in described barrel 4, is provided with piston 5, this piston 5 withPiston 5 drive units that are fixed on base 1 drive; When use, the powder piece 6 of pre-pressing is tucked into materialIn the inner chamber of cylinder 4, wherein, barrel 4 is cylindric, thereby this powder piece 6 is also cylindric and and inner chamberSize is adaptive; Described powder piece 6 is dry coal dust, talcum powder after filtering with 200 order sieves or otherSuitable powder dust particle precommpression forms.
Described dust dispersal device comprises that disperseing to brush 3 brushes 3 drive units with disperseing, and this dispersion is brushed 3 levels and turnedMoving being installed in dispersing chamber 2, this dispersion is brushed 3 drive units and is fixed on base 1 and drives dispersion brush 3 to turnMoving. This dispersion is brushed 3 drive units and is one and disperses brush motor 7, this dispersion brush motor 7 be horizontally disposed with and with pointThe central shaft driven of loose brush 3 connects.
Described piston 5 drive units comprise drive motors 8, decelerator 9, leading screw 12 nut 3 mechanisms, instituteThe leading screw 12 of stating leading screw 12 nut 3 mechanisms vertically rotates and is installed on base 1, the upper end of this leading screw 12 withPiston 5 vertically aligns, and the upper end of leading screw 12 can pushing tow piston 5, the nut 3 of these leading screw 12 nut 3 mechanismsRotation is installed on base 1, and drive motors 8 and decelerator 9 are installed on base 1, under specifically installingOn base, the output shaft of drive motors 8 and decelerator 9 power shafts are in transmission connection, decelerator 9 output shafts withNut 3 is in transmission connection, and its concrete kind of drive is: on described decelerator 9 output shafts, be provided with active synchronizationWheel 10, is rotatablely equipped with driven synchronizing wheel 11 on base 1, described nut 3 is fixed on driven synchronizing wheel with one heartOn 11, between described active synchronization wheel 10 and driven synchronizing wheel 11, be provided with Timing Belt. Driven synchronizing wheel 11Rotation is installed on base 1 and is enclosed within on leading screw 12, and the lower surface of driven synchronizing wheel 11 and nut 3 are fixing.This nut 3 is a swivel nut, and this swivel nut is threaded with leading screw 12 and rotates and is installed on base 1, swivel nutUpper-lower position retrained by base 1.
On described base 1, be installed on vertical spacing guide rod 15, on described leading screw 12, be installed with positioning disk 4,On this positioning disk 4, be provided with the limiting section rotating with vertical spacing guide rod 15 engagement limits leading screws 12. DescribedLimiting section is the stopper slot of open loop, the number of this stopper slot be multiple and circumference uniform distribution on positioning disk 4, instituteState vertical spacing guide rod 15 in one of them stopper slot. Like this, when driving nut 3, drive motors 8 revolvesWhile turning, the positioning disk 4 on leading screw 12 is limited by vertical spacing guide rod 15, thereby leading screw 12 cannot be with nut3 rotations, can only vertically move. This stopper slot also can substitute with spacing hole.
Wherein, described vertical spacing guide rod 15 is detachably installed on base 1, on described base 1, is provided withThe He Xia hole, upper hole of being convenient to vertical spacing guide rod 15 plug-in mountings, on this, hole and lower Kong Jun are arranged on lower bottom base 1,And vertically aim at, described vertical spacing guide rod 15 vertically runs through He Xia hole, hole, described vertical spacing guide rod 15Bottom be provided with ladder axial region, this ladder axial region is plugged in lower hole.
Operation principle of the present invention is: first the powder piece 6 pressing is in advance tucked in barrel 4, then opensMoving drive motors 8 and disperse brush motor 7, drive motors 8 drives leading screw 12 to move on slowly after decelerator 9Progressively pushing tow piston 5, thus the upper surface of powder piece 6 is progressively contacted with disperseing brush 3, realize raising of dustRise, and pass into compressed air in dispersing chamber 2, this dust is discharged. Disperse brush 3 to kick up Dust Capacity according to powderThe feeding speed of piece 6 and determining, still, this error of kicking up between Dust Capacity and the feeding amount of powder piece 6 veryLittle, in prescribed limit. After whole powder piece 6 is all finished using, stop drive motors 8 and disperseBrush motor 7, extracts vertical spacing guide rod 15, and leading screw 12 drives at the gravity of self and the gravity of positioning disk 4Lower vertically rotation falls to leaving barrel 4.
Claims (3)
1. a dust generation device, it is characterized in that: comprise base, dispersing chamber, powder piece conveying device, dust dispersal device, described dispersing chamber is arranged on base, and this dispersing chamber is provided with air inlet and dust mouth, and the bottom of dispersing chamber is provided with powder block entrance, described powder piece conveying device comprises the vertical barrel that is installed on dispersing chamber bottom, and the inner chamber of this barrel is communicated with dispersing chamber by powder block entrance, in described barrel, is provided with piston, and this piston drives with the piston driver being fixed on base, described dust dispersal device comprises and disperses brush and disperse brush drive unit, this dispersion is brushed to horizontally rotate and is installed in dispersing chamber, this dispersion brush drive unit is fixed on base and drives and disperses brush to rotate, described piston driver comprises drive motors, decelerator, screw-nut body, the leading screw of described screw-nut body vertically rotates and is installed on base, vertically align with piston in the upper end of this leading screw, the nut rotation of this screw-nut body is installed on base, drive motors and decelerator are installed on base, output shaft and the reducer input shaft of drive motors are in transmission connection, reducer output shaft and nut are in transmission connection, on described base, be installed on vertical spacing guide rod, on described leading screw, be installed with positioning disk, on this positioning disk, be provided with the limiting section rotating with vertical spacing guide rod engagement limits leading screw, described vertical spacing guide rod is detachably installed on base, on described base, be provided with the He Xia hole, upper hole of being convenient to vertical spacing guide rod plug-in mounting, described vertical spacing guide rod vertically runs through He Xia hole, hole, the bottom of described vertical spacing guide rod is provided with ladder axial region, this ladder axial region is plugged in lower hole.
2. a kind of dust generation device as claimed in claim 1, it is characterized in that: on described reducer output shaft, be provided with active synchronization wheel, on base, be rotatablely equipped with driven synchronizing wheel, described nut is fixed on driven synchronizing wheel with one heart, between described active synchronization wheel and driven synchronizing wheel, is provided with Timing Belt.
3. a kind of dust generation device as claimed in claim 2, is characterized in that: the stopper slot that described limiting section is open loop, the number of this stopper slot be multiple and circumference uniform distribution on positioning disk, described vertical spacing guide rod is in one of them stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633333.3A CN103611439B (en) | 2013-12-02 | 2013-12-02 | A kind of dust generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633333.3A CN103611439B (en) | 2013-12-02 | 2013-12-02 | A kind of dust generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103611439A CN103611439A (en) | 2014-03-05 |
| CN103611439B true CN103611439B (en) | 2016-05-04 |
Family
ID=50162171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310633333.3A Active CN103611439B (en) | 2013-12-02 | 2013-12-02 | A kind of dust generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103611439B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0670484A1 (en) * | 1994-03-01 | 1995-09-06 | Amherst Process Instruments, Inc. | Dry powder dispersion system |
| CN2882774Y (en) * | 2005-09-30 | 2007-03-28 | 清华大学 | Solid particle aerosol producer |
| CN201171966Y (en) * | 2008-04-10 | 2008-12-31 | 杭州电子科技大学 | Quantification dust generating device |
| CN203591706U (en) * | 2013-12-02 | 2014-05-14 | 张家港朗亿机电设备有限公司 | Dust producing device |
-
2013
- 2013-12-02 CN CN201310633333.3A patent/CN103611439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0670484A1 (en) * | 1994-03-01 | 1995-09-06 | Amherst Process Instruments, Inc. | Dry powder dispersion system |
| CN2882774Y (en) * | 2005-09-30 | 2007-03-28 | 清华大学 | Solid particle aerosol producer |
| CN201171966Y (en) * | 2008-04-10 | 2008-12-31 | 杭州电子科技大学 | Quantification dust generating device |
| CN203591706U (en) * | 2013-12-02 | 2014-05-14 | 张家港朗亿机电设备有限公司 | Dust producing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103611439A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103604733B (en) | The method of dust atmosphere analogue means and demarcation dust concentration tester thereof | |
| CN107585336A (en) | A kind of quantitative canning equipment of colored candy | |
| CN207445844U (en) | A kind of construction site dust falling device | |
| CN107381246A (en) | A kind of power construction drawing cable line apparatus | |
| CN206500568U (en) | Rivet spinning apparatus | |
| CN111924123A (en) | Agricultural thing networking fixed wing unmanned aerial vehicle jettison device | |
| CN201015705Y (en) | Service robot for shuttlecock | |
| CN107899796A (en) | A kind of electronic component spray-painting plant easy to use | |
| CN203595651U (en) | Dust environment simulation device | |
| CN103611439B (en) | A kind of dust generation device | |
| CN203591706U (en) | Dust producing device | |
| CN209422911U (en) | A kind of physical education table tennis ball serving device | |
| CN107570369A (en) | A kind of three station processing devices of Dacroment coating | |
| CN209025888U (en) | A kind of high intensity ventilation equipment cabinet | |
| CN110302523A (en) | Ball serving device and teeing apparatus | |
| CN207424030U (en) | A kind of ammeter drying unit convenient for adjusting | |
| CN109568917A (en) | A kind of autonomous spiral ball serving device of table tennis training | |
| CN208695357U (en) | A kind of bearing machining spray-painting plant | |
| CN205996635U (en) | A kind of motor upper casing automatic centering device | |
| CN202028548U (en) | Length sizer used for roller pins, pin rollers and rollers | |
| CN205731112U (en) | A kind of for there is a dirt device of dust | |
| CN103191872B (en) | For the quiet device for recovering powder of sand dust test chamber | |
| CN105942543B (en) | A kind of blue or green date pit removing machine | |
| CN203840796U (en) | Portable automatic corn threshing device | |
| CN208485861U (en) | Material blending device is used in a kind of production of vinegar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |