CN110340362A - A kind of dust-proof mechanism of metal 3D printer - Google Patents
A kind of dust-proof mechanism of metal 3D printer Download PDFInfo
- Publication number
- CN110340362A CN110340362A CN201910703174.7A CN201910703174A CN110340362A CN 110340362 A CN110340362 A CN 110340362A CN 201910703174 A CN201910703174 A CN 201910703174A CN 110340362 A CN110340362 A CN 110340362A
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- Prior art keywords
- dust
- proof
- powdering
- fixed plate
- guide wheel
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- 239000002184 metal Substances 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 100
- 239000000428 dust Substances 0.000 claims abstract description 68
- 239000003638 chemical reducing agent Substances 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 3
- 239000003500 flue dust Substances 0.000 abstract description 26
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 239000011257 shell material Substances 0.000 description 58
- 238000010586 diagram Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000000843 powder Substances 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/77—Recycling of gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/224—Driving means for motion along a direction within the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/38—Housings, e.g. machine housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of dust-proof mechanisms of metal 3D printer, are related to metal 3D printer technical field, and the technical issues of corroding can be caused to exposed operation element by solving flue dust.Technical points include being set on powdering platform and covering powdering region with the dust-proof shell for preventing the flue dust generated during powdering directly excessive and be set to outside two long sides of dust-proof shell with the pulley drive dust preventing component for driving powdering fixed plate mobile, and the present invention has the advantages that prevent flue dust from causing erosion to exposed operation element.
Description
Technical field
The present invention relates to metal 3D printer technical fields, more specifically, it relates to which a kind of metal 3D printer is anti-
Dirt mechanism.
Background technique
Metal 3D printing is the emerging technology that manufacture field is rapidly developing, especially in European and American developed countries
Has the metal 3D printer of many types.Metal 3D printing is a kind of increases material manufacturing technology, it is to be with digital model file
Basis, will be metal powder sintered by laser, in layers prints three-dimension object.Metal 3D printer is usually by powder supply
Device, powdering scraper device, moulding cylinder system, sintering or solidification equipment receive powder chamber and control system, cooling gentle cyclic system
System etc. is constituted.
A kind of accurate powdering of metal 3D printer is disclosed in the Chinese patent that Authorization Notice No. is CN106735201B
Mechanism, including speed reducer, transmission component, powdering fixed plate and slide assemblies, the powdering fixed plate are located at the powder feeding platform
Top, the speed reducer are connect with the transmission component, and the speed reducer has shell, and the surrounding of the shell is equipped with first
Dustproof sheet；The slide assemblies include sliding block and guide rail, and the guide rail is located on the pedestal, and the sliding block is slidably arranged
On the guide rail, one end of the powdering fixed plate is fixed on the slide block；The transmission component has synchronous belt, described
One end of powdering fixed plate and the synchronous band connection, the transmission component drives the sliding block to reciprocatingly slide along guide rail, described
Guide rail is equipped with dust cover, the dust cover using flexible organ type machine tool guide rail protecting cover, the both ends of the sliding block respectively with
The dust cover connection, the sliding block are exposed outside dust cover；The both ends of the sliding block be successively arranged respectively two panels oil-scrapping sheet and
Cockscomb is additionally provided with dustproof sheet on the sliding block.
In the prior art be similar to above-mentioned accurate powder supply mechanism comprising speed reducer, transmission component, powdering fixed plate and
Slide assemblies, wherein the precision powder supply mechanism is protected respectively by the dust cover of shell, the second dustproof sheet and flexible organ type setting
Shield speed reducer, bearing and sliding rail not will receive flue dust erosion, but the structure still can not prevent flue dust excessive, cause using when
Between it is too long after, the exposed part of the components such as driving wheel, driven wheel dust cover, shell can be infected with volume of smoke, to influence
To the service life and heat dissipation effect of the operation elements such as speed reducer, driving wheel, driven wheel, it is therefore desirable to improve.
Summary of the invention
Problem in view of the prior art, the purpose of the present invention is to provide a kind of dust-proof mechanism of metal 3D printer,
Have the advantages that prevent flue dust from causing to corrode to exposed operation element.
To achieve the above object, the present invention provides the following technical scheme that including dust-proof shell, the dust-proof shell setting
In on powdering platform and covering powdering region, two long sides of the dust-proof shell are provided with together along dust-proof shell length direction
Loose slot is set, and the both ends of powdering fixed plate slide with twice loose slot connect respectively；
Pulley drive dust preventing component, it is external that the pulley drive dust preventing component is set to dustproof shell, the pulley drive
Dust preventing component is driven using servo motor, and the belt member of the pulley drive dust preventing component is vertically arranged the activity of the road Qie Yuge
Slot is tightly connected, and belt member of the both ends of powdering fixed plate with pulley drive dust preventing component is fixed；
Wherein, it is external to be set to dustproof shell for the speed reducer for driving belt pulley transmission dust preventing component work, for guiding powdering
The slide assemblies of fixed plate, which are set to outside two long sides of dust-proof shell and respectively with the both ends of powdering fixed plate, to be cooperated.
By using above-mentioned technical proposal, is cooperated by speed reducer, powdering fixed plate and slide assemblies and complete powdering work；
Wherein, when generating flue dust during powdering, flue dust can be because powdering region covers powdering region, flue dust by dust-proof shell
It is merely able to overflow from the loose slot being set on dust-proof shell two sides, still, for driving the pulley drive of powdering fixed plate
The belt member of component is set at twice loose slot, so that pulley drive component not only carries before driving powdering fixed plate
The work slid afterwards, while the effect being sealed to loose slot is played, so that flue dust will not be excessive to exposed by loose slot
The movable parts such as speed reducer, sliding rail, the bearing of setting cause to corrode, thus can save down shell for covering speed reducer,
The dust proof members such as the dust cover of sliding rail, the dustproof sheet for protecting sliding block, the second dustproof sheet for protecting each part bearing are covered,
So that the components such as speed reducer can directly radiate, and big quantity space can be saved down, so that the shell of metal 3D printer
Figure can further decrease, effectively save metal 3D printer shell material cost.
The present invention is further arranged to: if being provided with arterial highway circulating ventilation on two two long opposite sides sides of the dust-proof shell
Hole, two road two long opposite sides Ce Shangge circulating ventilation holes of the dust-proof shell by pipeline respectively with metal 3D printer built in
The air inlet and air outlet of ventilation and dust removal device are connected to, and the dustproof shell is provided with the filter screen structure in pipeline in vitro.
By using above-mentioned technical proposal, need to install in metal 3D printer sintered for collecting metal powder raw material
The ventilation and dust removal device of the flue dust generated in journey enables ventilation and dust removal device using the cooperation between pipeline and circulating ventilation hole
It is enough to extract the most of flue dust generated in dustproof shell body out, and it is filtered interception using filter screen structure, reach circulating ventilation
With the effect for removing flue dust.
The present invention is further arranged to: the pulley drive dust preventing component is provided with two pieces, two pulley drives
Dust preventing component is respectively arranged on two long sides of dust-proof shell, and each pulley drive dust preventing component includes several and sets
The guide wheel being placed on powdering platform and the dust-proof belt for being sheathed on each part guide wheel and being tightly connected with loose slot, each guide wheel pass through
Speed reducer driving rotation, the both ends of the powdering fixed plate are fixed with two pieces dust-proof belt respectively.
It by using above-mentioned technical proposal, is rotated using speed reducer driving guide wheel, is then passed using guide wheel driving dust-proof belt
It is dynamic, by the cooperation between two pieces pulley drive dust preventing component can directly drive powdering fixed plate both ends do it is in the same direction, same
The mobile working of step.
The present invention is further arranged to: the pulley drive dust preventing component is provided with one, and the pulley drive is anti-
Dirt component includes several and is on powdering platform and the guide wheel of the dust-proof shell side setting of ring, is sheathed on each part guide wheel and successively
The dust-proof belt of excessively each part guide wheel of winding and be set on powdering platform with for make dust-proof belt integrally do 180 ° deflection deflection pieces.
By using above-mentioned technical proposal, by deflection piece by 180 ° of dust-proof belt deflector so that the root dust-proof belt with it is dust-proof
Two positions of two long side of shell cooperation can do mobile working in the same direction and synchronous, so that only needing a belt pulley
Transmission dust preventing component can drive the both ends of powdering fixed plate to do synchronizing moving work.
The present invention is further arranged to: connection is controlled with speed reducer using as master with each guide wheel of speed reducer cooperation
Driving wheel uses, remaining each described guide wheel is used as that driven wheel uses and inside is provided with rotation for reducing guide wheel and guide wheel
The bearing of frictional force between axis, the upper and lower ends of each guide wheel are provided with the flange that the axis of ring guide wheel is circumferentially arranged, institute
Dust-proof belt is stated to be between the twice flange in upper and lower relation setting.
By using above-mentioned technical proposal, the frictional force between guide wheel and the rotation axis of guide wheel can reduce using bearing,
So that the rotation of guide wheel is more smooth, dust-proof belt can be played using the cooperation between twice flange in overlying relation
The effect of limitation prevents effect of dust-proof belt when operating in gravity from shifting.
The present invention is further arranged to: further including that several groups are distributed on dust-proof two long side of shell with dust-proof for being tensioned
The tension assembly of band is partially distributed on each part tension assembly as the guide wheel of driven wheel.
By using above-mentioned technical proposal, tensioning adjusting is carried out to dust-proof belt using tension assembly, so that dust-proof belt is being sent out
It can readjust after raw relaxation to the state of tensioning, it is ensured that precision when dust-proof belt drives powdering fixed plate mobile.
The present invention is further arranged to: each tension assembly include be fixed on it is short on powdering platform and with dust-proof shell
Avris fixing piece disposed in parallel, be set on each part fixing piece and with each short side of dust-proof shell adjustable plate disposed in parallel,
If regulating tank and several fastening spiral shells for being fed through regulating tank and being threadedly coupled with fixing piece that arterial highway is set on adjustable plate
The fastening bolt that bolt is rotatablely connected with adjustable plate and is threadedly coupled with fixing piece, each part guide wheel being set on the tension assembly
It is distributed on each adjustable plate.
By using above-mentioned technical proposal, by the cooperation between fastening bolt and adjustable plate and fixing piece and spiral shell is fastened
Cooperation between bolt and regulating tank allows user by fastening bolt to push adjustable plate to replace operating position, thus
So that the spacing being set between the driven wheel and driving wheel on adjustable plate is adjustable.
The present invention is further arranged to: cross section is provided on two long sides of the dust-proof shell in " Fang " shape shape
It is arranged and the locating part being arranged towards loose slot that is open, two long sides of the locating part are respectively arranged at up and down the two of loose slot
Side, the dust-proof belt and loose slot cooperation are partially between locating part and the crack of dust-proof housing exterior walls.
By using above-mentioned technical proposal, one side of the dust-proof belt far from dust-proof housing exterior walls can be covered by locating part
On, it is further intercepted so that a small amount of flue dust surprisingly passes through still to be able to after the discharge of the gap between dust-proof belt and loose slot to be limited part
Firmly, dust-proof effect is further increased, and locating part can play the role of support to dust-proof belt, so that dust-proof belt is not easy because of paving
The drawing of powder fixed plate and deform.
The present invention is further arranged to: the limiting slot of setting corresponding with loose slot is provided on each locating part,
The both ends of the powdering fixed plate are stretched out respectively outside twice limiting slot, the position ring that the dust-proof belt is connected with powdering fixed plate
Powdering fixed plate stretches out the position setting outside limiting slot, and the powdering fixed plate is stretched out on two long sides of the part outside limiting slot
It is provided with the clamping plate for being fixedly clamped dust-proof belt on powdering fixed plate long side, if being plugged on each clamping plate
The threaded fastener that dry root is threadedly coupled with powdering fixed plate.
By using above-mentioned technical proposal, dust-proof belt can be effectively improved by the cooperation between clamping plate and threaded fastener
With the bonding strength between powdering fixed plate, and being detachably connected between dust-proof belt and powdering fixed plate can be achieved at the same time,
Convenient for dust-proof belt replacement, and locating part is stretched out by limiting slot in the position that clamping plate and dust-proof belt are connected with powdering fixed plate
The outer installation for being convenient for clamping plate.
The present invention is further arranged to: the dust-proof belt includes spring thin steel strip and is coated on the outside upper bullet of spring thin steel strip
Property rubber sleeve.
By using above-mentioned technical proposal, the dust-proof band strength of spring thin steel strip setting is higher, is not susceptible to deform, effectively
The running accuracy for ensuring dust-proof belt can prevent spring thin steel strip and dust-proof shell, locating part and guide wheel using elastic rubber set
It scrapes, so that dust-proof shell, locating part and water conservancy diversion are not susceptible to wear.
Compared with prior art, the beneficial effects of the present invention are:
(1) flue dust generated during powdering can be restricted in powdering region, so that flue dust will not be to exposed operation element
It causes to corrode；
(2) cover the components such as slide assemblies, guide wheel and speed reducer without dust proof member, convenient for heat dissipation, effectively improving makes
With the service life, and the saving cost of the dust preventing component on guide wheel and slide assemblies can be saved；
(3) the whole size of the powder supply mechanism of metal 3D printer can be reduced so that the whole size of metal 3D printer and
Cost can also be reduced therewith.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment one；
Fig. 2 is the side structure schematic diagram of the present embodiment one；
Fig. 3 is the structural schematic diagram of one pulley drive dust preventing component of the present embodiment；
Fig. 4 is the dust removal by ventilation route schematic diagram of the dust-proof shell of the present embodiment one；
Fig. 5 is the first driving structure schematic diagram of one pulley drive dust preventing component of the present embodiment；
Fig. 6 is second of driving structure schematic diagram of one pulley drive dust preventing component of the present embodiment；
Fig. 7 is the third driving structure schematic diagram of one pulley drive dust preventing component of the present embodiment；
Fig. 8 is the 4th kind of driving structure schematic diagram of one pulley drive dust preventing component of the present embodiment；
Fig. 9 is the distribution schematic diagram of one guide wheel of the present embodiment；
Figure 10 is the B partial enlargement structural representation of one Fig. 2 of the present embodiment；
Figure 11 is the A partial enlargement structural representation of one Fig. 1 of the present embodiment；
Connected mode schematic diagram of the Figure 12 between one powdering fixed plate of the present embodiment and dust-proof belt；
Attachment structure schematic diagram of the Figure 13 between one powdering fixed plate of the present embodiment and dust-proof belt；
Front view when Figure 14 is one powdering fixed plate of the present embodiment and dust-proof band connection；
Figure 15 is the structural schematic diagram of two pulley drive dust preventing component of the present embodiment；
Figure 16 is the structural schematic diagram of two deflection piece of the present embodiment.
Appended drawing reference: 1, powdering platform；2, dust-proof shell；21, circulating ventilation hole；22, loose slot；23, locating part；231, it limits
Position slot；3, powdering fixed plate；31, clamping plate；32, threaded fastener；4, pulley drive dust preventing component；41, guide wheel；411, axis
It holds；412, flange；42, dust-proof belt；421, spring thin steel strip；422, elastic rubber set；423, rectangular channel；424, interconnecting piece；43,
Deflection piece；431, slot is deflected；5, tension assembly；51, fixing piece；52, adjustable plate；521, regulating tank；53, fastening bolt；6, subtract
Fast machine；61, Worm and worm-wheel gearing；62, bevel gear transmission；63, gear drive.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of embodiment one, dust-proof mechanism of metal 3D printer, referring to figs. 1 and 2, including is set to powdering platform
On 1 and cover powdering region with for preventing the flue dust generated during powdering directly excessive dust-proof shell 2, be set to it is dust-proof
The outer pulley drive dust preventing component 4 and several groups with for driving powdering fixed plate 3 mobile of two long sides of shell 2 is uniformly distributed
In the tension assembly 5 for being driven the belt member of dust preventing component 4 on 2 liang of long sides of dust-proof shell for idler；Wherein,
The speed reducer 6 to work for driving belt pulley transmission dust preventing component 4 is set to outside dust-proof shell 2, for guiding powdering fixed plate 3
Slide assemblies be set to dust-proof shell 2 two long sides it is outer and cooperate respectively with the both ends of powdering fixed plate 3.
Wherein, dust-proof shell 2 a wherein short side end opening setting and be connected with the material taking mouth of metal 3D printer with
For taking out 3 D-printing product for staff, the opening of dust-proof shell 2 is by being set to the material taking mouth of metal 3D printer
On hermatic door be sealed；Wherein, in conjunction with shown in Fig. 2 and Fig. 3, if be additionally provided on dust-proof shell 2 arterial highway be distributed in it is anti-
With the circulating ventilation for extracting the flue dust generated during powdering out for ventilation and dust removal device on the long opposite side of the two of dirt shell 2
Hole 21；Specifically, a cover is provided on two long sides of dust-proof shell 2 to be set to dust-proof shell 2 for covering
The same side road Shang Ge circulating ventilation hole 21 recycles pipeline by the suction opening and air outlet of two pieces cover and ventilation and dust removal device
Connection, and filter screen structure is installed on pipeline, lead to so that ventilation and dust removal device can control to recycle inside dust-proof shell 2
Wind dedusting, wherein circulating ventilation hole 21 described above can also be replaced using ventilation slot etc..
In conjunction with shown in Fig. 1 and Fig. 4, pulley drive dust preventing component 4 is provided with two pieces, two groups of pulley drive dust preventing components
4 are respectively arranged on two long sides of dust-proof shell 2, and two groups of pulley drive dust preventing components 4 at least with one group of tensioning group
Part 5 cooperates；Wherein, each group pulley drive dust preventing component 4 includes several guide wheels 41 being set on powdering platform 1 and is arranged
In on each part guide wheel 41 with the dust-proof belt 42 for driving powdering fixed plate 3 mobile, the both ends of powdering fixed plate 3 respectively with two pieces
Dust-proof belt 42 is fixed.
Specifically, because the belt member (i.e. dust-proof belt 42) of pulley drive dust preventing component 4 is vertically arranged, nothing
6 synchronously control of the speed reducer connection that method directly utilizes twin shaft to be arranged, therefore, respectively as shown in Fig. 5, Fig. 6, Fig. 7 or Fig. 8, two groups
Pulley drive dust preventing component 4 can be controlled respectively using two pieces speed reducer 6 so that two groups of pulley drive dust preventing components 4 can
To do transmission work in the same direction, synchronous；Or it is driven between two groups of pulley drive dust preventing components 4 using Worm and worm-wheel gearing 61
Dynamic two groups of pulley drive dust preventing components 4 can do transmission work in the same direction, synchronous；Or two groups of pulley drive dust preventing components 4
Between drive two groups of pulley drive dust preventing components 4 that can do in the same direction, synchronous transmission work using bevel gear transmission 62；
Or drive two groups of pulley drive dust preventing components 4 can using gear drive 63 between two groups of pulley drive dust preventing components 4
To do in the same direction, synchronous transmission work etc..
In conjunction with shown in Fig. 9 and Figure 10, with speed reducer 6 cooperate each part guide wheel 41 with speed reducer 6 control connection using as
Driving wheel uses, remaining each part guide wheel 41 is used as driven wheel and inside is provided with for reducing guide wheel 41 and guide wheel
The bearing 411 of frictional force between 41 rotation axis, and the guide wheel 41 as part as driven wheel is distributed in each part tension assembly 5
On；Wherein, the upper and lower ends of each part guide wheel 41 are provided with the flange 412 that the axis of ring guide wheel 41 is circumferentially arranged, with guide wheel 41
The dust-proof belt 42 of cooperation is between the twice flange 412 in upper and lower relation setting.
In conjunction with shown in Figure 10 and Figure 11, each group tension assembly 5 includes being fixed on powdering platform 1 and vertical plane and dustproof shell
The short side of body 2 fixing piece 51 disposed in parallel is set on each part fixing piece 51 and vertical plane and each short side of dust-proof shell 2
If adjustable plate 52 disposed in parallel, arterial highway be arranged in parallel on adjustable plate 52 and the horizontally disposed regulating tank 521 of length direction with
And several be fed through regulating tank 521 and the fastening bolt 53 that is threadedly coupled with fixing piece 51 and the rotation connection of adjustable plate 52 and with
The fastening bolt 53 that fixing piece 51 is threadedly coupled, each part guide wheel 41 being set on tension assembly 5 are distributed in each adjustable plate 52
On；When needing to adjust the rate of tension of dust-proof belt 42, it is only necessary to unscrew each fastening bolt 53, move adjustable plate 52 then with band
The dynamic guide wheel 41 being set on adjustable plate 52 is mobile, finally tightens each fastening bolt 53 again.
As shown in figure 12, it is provided on two long sides of dust-proof shell 2 anti-for being stretched out for 3 both ends of powdering fixed plate
Dirt shell 2 is outer so that the loose slot that the both ends of powdering fixed plate 3 can be connect with the dust-proof belt 42 being set to outside dust-proof shell 2
22, it is provided with cross section on two long sides of dust-proof shell 2 in the setting of " Fang " shape shape and opening is set towards loose slot 22
It sets with the locating part 23 for improving 42 job stability of dust-proof belt, two long sides of each part locating part 23 are respectively arranged at respectively
The two sides up and down of road loose slot 22, and the limiting slot of setting parallel with loose slot 22 together is provided on each part locating part 23
231, the both ends of powdering fixed plate 3 pass through limiting slot 231 stretch out locating part 23 it is outer with the cunning that is set to outside powdering fixed plate 3
Dynamic component cooperation；Wherein, the notch for being partially in locating part 23 and dust-proof 2 outer wall of shell that dust-proof belt 42 and loose slot 22 cooperate
Crack between, dust-proof belt 42 include spring thin steel strip 421 and be coated on spring thin steel strip 421 it is outside upper elastic rubber set 422,
And the spacing between the outer wall of elastic rubber set 422 and the outer wall of dust-proof shell 2 and the notch inner wall of locating part 23 should control
Within 0.1mm.
As shown in figure 13, the position ring powdering fixed plate 3 that dust-proof belt 42 is connected with powdering fixed plate 3 stretches out limiting slot
Position setting outside 231 is provided with for will be dust-proof on two long sides of the part that powdering fixed plate 3 is stretched out outside locating part 23
The clamping plate 31 that the position being bonded with 42 with 3 liang of long sides of powdering fixed plate is fixedly clamped on 3 long side of powdering fixed plate, each part
Powdering fixed plate 3 is fixed on by the grafting several threaded fasteners 32 being threadedly coupled with powdering fixed plate 3 on clamping plate 31
On；Specifically, being provided on dust-proof belt 42 in conjunction with shown in Figure 12 and Figure 13 for being fed through dust-proof belt 42 for powdering fixed plate 3
Rectangular channel 423, be integrally formed on the two sides of rectangular channel 423 and be provided with and be bonded respectively with 3 liang of long sides of powdering fixed plate
And in the interconnecting piece 424 between powdering fixed plate 3 and clamping plate 31, threaded fastener 32 is successively fed through clamping plate 31, interconnecting piece
It 424 and is threadedly coupled with powdering fixed plate 3 to reach the effect that clamping plate 31, dust-proof belt 42 and powdering fixed plate 3 are fixed together
Fruit.
Embodiment two: as shown in figure 15, in the present embodiment, pulley drive dust preventing component 4 is only provided with one, and the skin
Belt wheel transmission dust preventing component 4 includes several and is on powdering platform 1 and the guide wheel 41 of dust-proof 2 side of the shell setting of ring, is sheathed on
On each part guide wheel 41 and successively the dust-proof belt 42 of excessively each part guide wheel 41 of winding and it is set on powdering platform 1 for making dust-proof belt
The 42 whole deflection pieces 43 for doing 180 ° of deflection；Specifically, as shown in figure 16, it is inclined in 180 ° that twice both ends are provided on deflection piece 43
Turn and be in the deflection slot 431 of left and right permutation relationship setting, the two sides of dust-proof belt 42 are fed through twice deflection slot 431 respectively to reach
Entirety does the effect of 180 ° of deflection.
Working principle of the present invention is as follows:
Generate flue dust when powdering work and when flue dust, flue dust and flue dust can directly be covered by dust-proof shell 2 with prevent flue dust with
Flue dust is excessive, wherein because 3 activity of powdering fixed plate needs, the both ends of powdering fixed plate 3 need to stretch out dust-proof shell 2 respectively
Outside two long sides, it is therefore desirable to be provided for 3 activity of powdering fixed plate in powdering fixed plate 3 and dust-proof shell can be stretched out
Loose slot 22 outside 2, at this point, work can be sealed up using the cooperation between 2 outer wall of dust-proof belt 42, locating part 23 and dust-proof shell
Dynamic slot 22 plays simultaneously so that pulley drive dust preventing component 4 not only acts as the effect for driving powdering fixed plate 3 mobile
Prevent flue dust and flue dust directly excessive from loose slot 22.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of dust-proof mechanism of metal 3D printer characterized by comprising
Dust-proof shell (2), the dust-proof shell (2) are set on powdering platform (1) and cover powdering region, the dust-proof shell
(2) two long sides, which are provided with, is arranged loose slot (22) along dust-proof shell (2) length direction together, powdering fixed plate (3)
Both ends slide with twice loose slot (22) connect respectively；
Pulley drive dust preventing component (4), the pulley drive dust preventing component (4) are set to dust-proof shell (2) outside, the skin
Belt wheel transmission dust preventing component (4) is driven using servo motor, and the belt member of the pulley drive dust preventing component (4) is set vertically
The road Zhi Qieyuge loose slot (22) is tightly connected, skin of the both ends of powdering fixed plate (3) with pulley drive dust preventing component (4)
Tape member is fixed；
Wherein, the speed reducer (6) for driving belt pulley transmission dust preventing component (4) work is set to dust-proof shell (2) outside, is used for
The slide assemblies of guidance powdering fixed plate (3) be set to dust-proof shell (2) two long sides it is outer and respectively with powdering fixed plate (3)
Both ends cooperation.
2. a kind of dust-proof mechanism of metal 3D printer according to claim 1, it is characterised in that: the dust-proof shell
(2) if two two long opposite sides sides on be provided with arterial highway circulating ventilation hole (21), on two two long opposite sides sides of the dust-proof shell (2)
Each road circulating ventilation hole (21) passes through the pipeline air inlet and outlet with the ventilation and dust removal device built in metal 3D printer respectively
Mouth connection, the dust-proof shell (2) are provided with the filter screen structure in pipeline outside.
3. a kind of dust-proof mechanism of metal 3D printer according to claim 1, it is characterised in that: the pulley drive
Dust preventing component (4) is provided with two pieces, and the two pulley drive dust preventing components (4) are respectively arranged at two length of dust-proof shell (2)
On avris, each pulley drive dust preventing component (4) includes several guide wheels (41) being set on powdering platform (1) and set
The dust-proof belt (42) being tightly connected on each part guide wheel (41) and with loose slot (22), each guide wheel (41) pass through speed reducer
(6) driving rotation, the both ends of the powdering fixed plate (3) are fixed with two pieces dust-proof belt (42) respectively.
4. a kind of dust-proof mechanism of metal 3D printer according to claim 1, it is characterised in that: the pulley drive
Dust preventing component (4) is provided with one, and the pulley drive dust preventing component (4) includes several and is on powdering platform (1) and ring
The guide wheel (41) of dust-proof shell (2) side setting is sheathed on each part guide wheel (41) and successively excessively each part guide wheel (41) of winding
Dust-proof belt (42) and be set on powdering platform (1) with for make dust-proof belt (42) integrally do 180 ° deflection deflection pieces (43).
5. a kind of dust-proof mechanism of metal 3D printer according to claim 3 or 4, it is characterised in that: with speed reducer (6)
Each guide wheel (41) of cooperation as driving wheel with speed reducer (6) control connection to use, remaining each described guide wheel (41)
It is used as driven wheel and inside is provided with for reducing frictional force between guide wheel (41) and the rotation axis of guide wheel (41)
The upper and lower ends of bearing (411), each guide wheel (41) are provided with the flange that the axis of ring guide wheel (41) is circumferentially arranged
(412), the dust-proof belt (42) is between the twice flange (412) in upper and lower relation setting.
6. a kind of dust-proof mechanism of metal 3D printer according to claim 3 or 4, it is characterised in that: further include several
Group is distributed in the tension assembly (5) for being tensioned dust-proof belt (42) on dust-proof (2) two long side of shell, is partially used as driven wheel
The guide wheel (41) be distributed on each part tension assembly (5).
7. a kind of dust-proof mechanism of metal 3D printer according to claim 6, it is characterised in that: each tension assembly
(5) include be fixed on powdering platform (1) and with the short side fixing piece disposed in parallel (51) of dust-proof shell (2), be set to
On each part fixing piece (51) and with dust-proof shell (2) each short side adjustable plate disposed in parallel (52) if, arterial highway be set to adjusting
Regulating tank (521) and several fastenings for being fed through regulating tank (521) and being threadedly coupled with fixing piece (51) on plate (52)
The fastening bolt (53) that bolt (53) is rotatablely connected with adjustable plate (52) and is threadedly coupled with fixing piece (51) is set to described
Each part guide wheel (41) on tight component (5) is distributed on each adjustable plate (52).
8. a kind of dust-proof mechanism of metal 3D printer according to claim 3 or 4, it is characterised in that: the dustproof shell
The limit that cross section is arranged in " Fang " shape shape and opening is arranged towards loose slot (22) is provided on two long sides of body (2)
Part (23), two long sides of the locating part (23) are respectively arranged at the two sides up and down of loose slot (22), the dust-proof belt (42)
With being partially between locating part (23) and the crack of dust-proof shell (2) outer wall for loose slot (22) cooperation.
9. a kind of dust-proof mechanism of metal 3D printer according to claim 8, it is characterised in that: each locating part
(23) limiting slot (231) of setting corresponding with loose slot (22), the both ends difference of the powdering fixed plate (3) are provided on
Stretch out twice limiting slot (231) outside, the position ring powdering fixed plate that the dust-proof belt (42) is connected with powdering fixed plate (3)
(3) the position setting of limiting slot (231) outside is stretched out, the powdering fixed plate (3) stretches out two length of the part of limiting slot (231) outside
The clamping plate (31) for being fixedly clamped dust-proof belt (42) on powdering fixed plate (3) long side, each institute are provided on avris
It states and is plugged with several threaded fasteners (32) being threadedly coupled with powdering fixed plate (3) on clamping plate (31).
10. a kind of dust-proof mechanism of metal 3D printer according to claim 3 or 4, it is characterised in that: the dust-proof belt
(42) include spring thin steel strip (421) and be coated on the outside upper elastic rubber set (422) of spring thin steel strip (421).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910703174.7A CN110340362A (en) | 2019-07-31 | 2019-07-31 | A kind of dust-proof mechanism of metal 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910703174.7A CN110340362A (en) | 2019-07-31 | 2019-07-31 | A kind of dust-proof mechanism of metal 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571795A (en) * | 2020-11-04 | 2021-03-30 | 上海睿现信息科技有限公司 | 3D prints dustproof scraper motion structure |
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