CN108515698A - A kind of 3DP printing devices - Google Patents

A kind of 3DP printing devices Download PDF

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Publication number
CN108515698A
CN108515698A CN201810521002.3A CN201810521002A CN108515698A CN 108515698 A CN108515698 A CN 108515698A CN 201810521002 A CN201810521002 A CN 201810521002A CN 108515698 A CN108515698 A CN 108515698A
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CN
China
Prior art keywords
spreading
blanking
printing
guide rail
axis
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
Application number
CN201810521002.3A
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Chinese (zh)
Inventor
张龙
周志军
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Kocel Intelligent Foundry Industry Innovation Center Co Ltd
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Kocel Intelligent Foundry Industry Innovation Center Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Kocel Intelligent Foundry Industry Innovation Center Co Ltd filed Critical Kocel Intelligent Foundry Industry Innovation Center Co Ltd
Priority to CN201810521002.3A priority Critical patent/CN108515698A/en
Publication of CN108515698A publication Critical patent/CN108515698A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/35—Cleaning
    • 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
    • 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
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)

Abstract

The present invention relates to a kind of 3DP printing devices in increases material manufacturing technology field, including device framework, device framework includes upper layer frame, the linking frame of lower layer's frame and middle layer, hoistable platform and work box are equipped in lower layer's frame, blanking mechanism and printing mechanism are equipped in the frame of upper layer, powder supplying mechanism is equipped on the upside of blanking mechanism, it is connected frame upper side and is equipped with blanking guide rail, the blanking mechanism is moved back and forth by one drives edge blanking guide rail of driving mechanism, upper layer framework underside is equipped with printing guide rail, the printing mechanism prints guide rail by two drives edge of driving mechanism and moves back and forth；The guide direction of blanking guide rail along work box width direction be arranged, the printing guide rail be equipped with X direction guiding rails and Y-direction guide rail, X direction guiding rails along work box length direction be arranged, and be printhead prints when moving direction.In the present invention, printing mechanism and blanking mechanism are rationally arranged with respect to work box, and the blanking direction of optimal design-aside Print direction, to improve the efficiency of 3DP printings.

Description

A kind of 3DP printing devices
Technical field
The present invention relates to increases material manufacturing technology field, more particularly to a kind of 3DP printing devices.
Background technology
The operation principle of increasing material manufacturing 3DP printing techniques is to be laid with one layer of raw material by blanking mechanism, then by printing mechanism One layer of product contour shape is printed, so work is back and forth layering, and forms the printing of entire product.The advantage of this technology is can To realize the one-pass molding of complex structure product, on the other hand by printing principle limited, print speed be bound to will not quickly, The vertical speed rate of 25 height per hour may be implemented in more advanced product, has 10 times of promotions compared to early production, but it is still The printing of small sized product can only be so limited to, can not bulk industrial, it is even more impossible to the printings suitable for large product.
Invention content
The present invention carries out low production efficiency when product 3DP is printed for increasing material manufacturing method in the prior art, is not suitable for The problem of large product prints provides a kind of rationally distributed, 3DP printing devices that printing mechanism, blanking mechanism efficiently coordinate.
The object of the present invention is achieved like this, a kind of 3DP printing devices, including device framework, the device framework packet The linking frame of upper layer frame, lower layer's frame and middle layer is included, hoistable platform and work box are equipped in lower layer's frame, it is described It is equipped with blanking mechanism and printing mechanism in the frame of upper layer, is equipped with powder supplying mechanism on the upside of the blanking mechanism, on the linking frame Side is equipped with blanking guide rail, and the blanking mechanism is moved back and forth by one drives edge blanking guide rail of driving mechanism, the upper layer frame Downside is equipped with printing guide rail, and the printing mechanism prints guide rail by two drives edge of driving mechanism and moves back and forth；The blanking is led The guide direction of rail is arranged along the width direction of work box, and the printing guide rail is equipped with X direction guiding rails and Y-direction guide rail, guide X Rail along work box length direction be arranged, and for printhead prints when moving direction.The 3DP printing devices of the present invention, will print Mechanism and blanking mechanism are rationally arranged with respect to work box, and the blanking direction of optimal design-aside Print direction, are set with improving 3DP printings Standby efficiency.
For work box size is further rationally arranged, work box size is set to match with print speed and blanking speed, institute The speed of service ratio of the printing speed of service and blanking mechanism of stating print head is 3.5 ~ 4.5, the length-width ratio of work box is 2.0~ 2.5, the one way maximum of the print head can print width is work box width 1/2.For the printer of 3DP types, equipment Efficiency depends on the length of every layer of time-write interval, every layer of time-write interval be mainly blanking mechanism and printing mechanism run duration it With.To make to fall uniformly, blanking mechanism speed can be arranged relatively slowly, and print speed is very fast, so by the moving direction of blanking mechanism It is moved along work box width direction, the direction that printing mechanism moves when printing is moved along work box length direction, to drop as far as possible Between the ratio between movement speed when low every layer of time-write interval, general print speed and blanking mechanism work typically 3.5 ~ 4.5. Under the premise of equipment work box print area is constant, the run duration that blanking wants mechanism can be reduced by reducing width, but simultaneously thus Caused length increases the run duration that can increase print head again, it can thus be appreciated that inevitable, there are one critical length-width ratios, can make printing The sum of the run time that mechanism and blanking mechanism increasing material have printed one layer is minimum value, especially by following carry out quantitative analysis：
If work box width is A, length B, the speed of blanking mechanism blanking operation is V1, the print speed of printing mechanism is V2, speed ratio V2/V1=C, C are usually between 3.5 ~ 4.5, print area S=AB, blanking mechanism run duration t1, printing mechanism movement Time t2, usually only one layer of blanking powdering work once can be completed in movement to blanking mechanism, but to save equipment cost, printer The print head of structure usually requires to move repeatedly and repeatedly could complete one layer and print, therefore sets print head times of exercise as P, print head from The preceding primary time shifted to next time is t3。
For the equipment that print area determines, the acceleration and safe distance needed for print head and blanking mechanism movement are equal Centainly, Acceleration and deceleration time can be considered as to constant, not analyzed.
So t1=, t2,=, t3=；
Every layer of time-write interval t=t1+t2+t3=+；
Therefore be between every layer of time-write interval t and work box width A to hook functional relation, according to hook Functional Quality it is found that t most It is small to be worth corresponding Amin==；
In conjunction with S=AB, it is known that make every layer of time-write interval shortest optimal length-width ratio be：
=；
Since printing times P is necessarily more than zero integer, according to t2And t3Formula Functional Quality it is found that on this definition domain, Print head run duration t2And t3It is increasing function, i.e. the increase of P can cause t2And t3It is synchronous to increase, so, when P is equal to 1, Time is most short, but is cost-effective, improves the precision of print head, usually sets printing times to 2 times.
At this point, the peak efficiency length-width ratio of work box is：
=；
Therefore, when printing times are 2 times, the optimal length-width ratio of work box is between 2.0 ~ 2.5.
Homogeneous charge is carried out to blanking mechanism for ease of realizing, the powder supplying mechanism includes that feed bin and feed bin lower part are arranged Spreading mechanism, the feed bin downside are equipped with the feed opening with spreading mechanism connection, the feed opening and spreader along its length The corresponding circumferential edge of structure is equipped with elastic sealing gasket, and being equipped with spreading along its length on the downside of the spreading mechanism exports, described to spread It is docked with the blanking mechanism for being moved to downside material outlet.
For ease of realizing uniform spreading, and it effectively prevent material leakage and spreading axis stuck by material, the spreading mechanism includes Seasoning spreading box, spreading axis is rotatably connected in the seasoning spreading box along its length, and the seasoning spreading box includes spreading axis both sides difference axis Symmetrically arranged side plate is respectively equipped with the arc part tangent with spreading axis, the tangent arc part on the inside of both side plate The both side plate corresponding position of upside forms the feed inlet of seasoning spreading box, and the both side plate corresponding position on the downside of the spreading axis forms spreading Outlet；Spreading axis periphery is equipped with the arc groove for accommodating powder, both ends and the spreading axis connection position of the side plate Upside be equipped with closure plate with side plate integrally connected, the position clearance fit of the closure plate and the rotation connection of spreading axis is described stifled The outside of plate is equipped with baffle, and the baffle corresponds to the position of spreading axis equipped with the mounting hole being rotatably assorted, outside the baffle Side is equipped with bearing assembly.
A kind of improvement of spreading mechanism structure as the present invention, to effectively prevent the spreading axis both ends of spreading mechanism to coordinate The position material leakage of connection gets stuck, and the position that the spreading axis is connect with closure plate is equipped with the shaft shoulder one, the installation hole axle of the baffle It is equipped with the taper materials-containing hole radially amplified inwardly, the mounting hole that the taper holds material outside is circumferentially with what spreading axis coordinated Sealing ring.At the position that spreading axis is connect with closure plate, the setting shaft shoulder makes the radial ruler at spreading axis both ends and closure plate mating connection position The very little size more than position among spreading axis can effectively prevent be rotatably assorted component leakage of the spreading material within the organization from both ends Material is arranged even if there is position material to be overflowed on the outside of the shaft shoulder from the matching part of closure plate and spreading axis on the inside of the mounting hole of baffle It is in-house that powder-material in the hole can be back on the downside of spreading axis spreading by taper materials-containing hole, to effectively prevent material leakage and It gets stuck.
The another of spreading structure as the present invention improves, and the position that the spreading axis is connect with baffle is equipped with radial put The big shaft shoulder, periphery and the mounting hole of the shaft shoulder are connected, and mounting hole is circumferentially with sealing ring with what the shaft shoulder coordinated. The structure radially amplified is arranged in the position that spreading axis is connect with baffle, can equally play effective backgauge, to It realizes material leak-proof and gets stuck.
As another improvement project of invention, foodstuff refiner is additionally provided between the Che Liao mechanisms and feed bin, it is described even Material mechanism includes the refining helical axis being arranged in refining box and refining box, is connected to feed bin on the upside of the refining box, downside with spread Expect mechanism connection, the baffle of spreading mechanism both sides extends upwardly on the outside of refining box both ends, and is fixed with refining box end Connection.After the refining helical axis refining that material in feed bin passes through foodstuff refiner, it is sent to spreading mechanism, it be to further realize Even feed and blanking.
Further, spreading outlet downside is docked with blanking mechanism；The blanking mechanism includes holding material room, the appearance Expect to be equipped with blanking port on the downside of room, the blanking port both sides are equipped with the material for scraping casting die for striking off blanking.
For ease of realizing that work box disengaging and continuous print job, the work box are equipped with one or more, institute It states hoistable platform and is equipped with the roller-way passed in and out convenient for work box.
For ease of Hand scarf printing mechanism and blanking mechanism, it is additionally provided with blanking wiper mechanism in the device framework and beats Head cleaner structure is printed, the blanking wiper mechanism is set to blanking mechanism origin position, and the print head cleaning mechanism is set to Printing mechanism origin position is additionally provided in the bottom frame for blanking wiper mechanism and print head cleaning mechanism feed flow Clean liquid tank.
Description of the drawings
Fig. 1 is the structural schematic diagram of the 3DP printing devices of the present invention.
Fig. 2 is the direction of motion schematic diagram of blanking mechanism and printing mechanism with respect to work box.
Fig. 3 is the schematic diagram of powder supplying mechanism（Without foodstuff refiner）.
Fig. 4 is the front view of powder supplying mechanism（Without foodstuff refiner）.
Fig. 5 is partial sectional views of the Fig. 4 along A-A.
Fig. 6 is the first embodiment of the partial enlarged view at B in Fig. 4.
Fig. 7 is second of embodiment of the partial enlarged view at B in Fig. 4.
Fig. 8 is the embodiment schematic diagram that foodstuff refiner is arranged on the upside of powder supplying mechanism.
Wherein, 1 lower layer's frame；2 hoistable platforms；3 roller-ways；4 work boxs；5 blanking mechanisms；51 blanking ports, 52 scrape casting die；6 Powder supplying mechanism；61 feed bins；62 spreading mechanisms；62A seasoning spreading boxes；62B spreading axis；62C taper materials-containing holes；62D baffles；62E is stifled Plate；63 elastic sealing gaskets；64 refining boxes；65 refining helical axis；7 upper layer frames；8 blanking guide rails；9 printing mechanism Y-direction guide rails； 10 printing mechanism X direction guiding rails；11 printing mechanisms；12 cleaning liquid tanks.
Specific implementation mode
Embodiment 1
As shown in Fig. 1-Fig. 6, the 3DP printing devices of the present embodiment, including device framework, for ease of this hair of the installation at each position Bright device framework includes the linking frame of upper layer frame, lower layer's frame and middle layer, be equipped in lower layer's frame hoistable platform and The lower part of work box, long drop platform is equipped with elevating mechanism, realizes that the elevating movement of hoistable platform is transported with the lifting of cooperating case It is dynamic, it is equipped with blanking mechanism and printing mechanism in the frame of upper layer, powder supplying mechanism is equipped on the upside of blanking mechanism, linking frame upper side is equipped with Blanking guide rail is moved back and forth by one drives edge blanking guide rail of driving mechanism, and upper layer framework underside is equipped with printing guide rail, printing Guide rail includes printing mechanism X guide rails and printing mechanism Y guide rail, and is led respectively along corresponding printing by driving mechanism driving respectively Rail moves back and forth；As shown in Fig. 2, in the present embodiment, the guide direction of blanking guide rail is arranged along the width direction of work box, can edge AB prints long side, that is, length direction setting that guide rail is equipped with printing mechanism X direction guiding rails along work box to blanking is realized toward mobile again, And moving direction when being printhead prints, short side, that is, width direction setting of the printing mechanism Y-direction guide rail along work box.It is further Rationally setting work box size, makes work box size match with print speed and blanking speed, printing mechanism printing operation The blanking speed of service ratio of speed and blanking mechanism is 3.5 ~ 4.5, and the length-width ratio of work box is 2.0~2.5, the one way of print head The printable width of maximum is the 1/2 of work box width.As shown in Fig. 2, blanking mechanism along AB along move when carry out blanking, print head , to printing is realized when moving, empty shifting line feed is carried out when being moved along CD and EO to DE from along OC.
In the present invention, spreading outlet downside is docked with blanking mechanism；Blanking mechanism includes holding material room, holds and is equipped on the downside of material room Blanking port, blanking port both sides are equipped with the material for scraping casting die for striking off blanking.
For ease of realizing that work box disengaging and the continuous print job of high efficiency, work box of the invention can be arranged one Or more than one, hoistable platform is equipped with the roller-way convenient for work box disengaging.
Blanking cleaning machine is additionally provided in device framework in of the invention for ease of Hand scarf printing mechanism and blanking mechanism Structure and print head cleaning mechanism, blanking wiper mechanism are set to blanking mechanism origin position, and print head cleaning mechanism, which is set to, beats Printing mechanism origin position is additionally provided with for the cleaning solution to blanking wiper mechanism and print head cleaning mechanism feed flow in bottom frame Hopper.
As shown in Figure 3 and Figure 4, Homogeneous charge, the powder supplying mechanism in the present embodiment are carried out to blanking mechanism for ease of realizing Including the spreading mechanism that feed bin and feed bin lower part are arranged, the blanking with spreading mechanism connection is equipped on the downside of feed bin along its length Mouthful, feed opening circumferential edge corresponding with spreading mechanism is equipped with elastic sealing gasket, is equipped with and spreads along its length on the downside of spreading mechanism Material outlet, spreading is exported docks with the blanking mechanism for being moved to downside.
As shown in figure 5, for ease of realizing uniform spreading, and it effectively prevent material leakage and spreading axis stuck by material, spreader Structure includes seasoning spreading box, is rotatably connected to spreading axis in seasoning spreading box along its length, and seasoning spreading box includes spreading axis both sides difference axis pair The side plate for claiming setting, is respectively equipped with the arc part tangent with spreading axis on the inside of both side plate, on the upside of tangent arc part Both side plate corresponding position forms the feed inlet of seasoning spreading box, and the both side plate corresponding position on the downside of spreading axis forms spreading outlet；Spreading Axis periphery is equipped with the arc groove for accommodating powder, and the both ends of side plate are equipped with and side plate one with the upside at spreading axis connection position The outside of the closure plate of body connection, the position clearance fit of closure plate and the rotation connection of spreading axis, closure plate is equipped with baffle, and baffle correspondence is spread The position of material axis is equipped with the mounting hole being rotatably assorted, and bearing assembly, while the corresponding gear in spreading axis one end are fixed on the outside of baffle Plate outer end is connected with driving motor for driving spreading shaft rotation dynamic.
As shown in fig. 6, for the position material leakage for effectivelying prevent the spreading axis both ends of spreading mechanism to be connected or get stuck, spreading The position that axis is connect with closure plate is equipped with the shaft shoulder one, and the mounting hole axially inner side of baffle is equipped with the taper materials-containing hole radially amplified, cone Describe that the mounting hole in material outside is circumferentially with sealing ring with what spreading axis coordinated.At the position that spreading axis is connect with closure plate, axis is set Shoulder makes the radial dimension at spreading axis both ends and closure plate mating connection position be more than the size at position among spreading axis, can effectively prevent Only spreading material within the organization is from the component material leakage that is rotatably assorted at both ends, even if there is cooperation of the position material from closure plate and spreading axis Position is overflowed on the outside of the shaft shoulder, and the taper materials-containing hole being arranged on the inside of the mounting hole of baffle can be by the powder-material in the hole under spreading axis It is in-house that side is back to spreading, to effectively prevent material leakage and get stuck.
Embodiment 2
It is the position of baffle as shown in Figure 7 and spreading axis connection between the present embodiment and the difference of embodiment 1, with embodiment Parts Fig. 6 in 1 the difference is that, the position that spreading axis is connect with baffle is equipped with the shaft shoulder radially amplified, the periphery of the shaft shoulder It is connected with mounting hole, and mounting hole is circumferentially with sealing ring with what the shaft shoulder coordinated.The portion that spreading axis is connect with baffle The structure that position setting is radially amplified, can equally play effective backgauge, to realize material leak-proof and get stuck.
Embodiment 3
The difference of the present embodiment and embodiment is additionally provided with even as shown in figure 8, in this implementation between Che Liao mechanisms and feed bin Expect mechanism, foodstuff refiner includes that motor-driven refining helical axis is provided in refining box and refining box, on the upside of refining box It is connected to feed bin, and communication port also is provided with preventing the elastic sealing gasket of material leakage, downside and spreading mechanism connection, spreading mechanism two The baffle of side extends upwardly on the outside of refining box both ends, and is fixedly connected with refining box end.Material in feed bin passes through refining After the refining helical axis refining of mechanism, it is sent to spreading mechanism, it be to further realize Homogeneous charge and blanking.
The present invention and the form for being confined to above-described embodiment, creative work is not needed substantially in above-described embodiment Structural Transformation is to belong to the scope of protection of the present invention.

Claims (10)

1. a kind of 3DP printing devices, including device framework, the device framework includes upper layer frame, lower layer's frame and middle layer Linking frame, hoistable platform and work box are equipped in lower layer's frame, blanking mechanism is equipped in the upper layer frame and is beaten Printing mechanism, the blanking mechanism upside are equipped with powder supplying mechanism, and the linking frame upper side is equipped with blanking guide rail, the blanking mechanism It is moved back and forth by one drives edge blanking guide rail of driving mechanism, the upper layer framework underside is equipped with printing guide rail, the printer Structure prints guide rail by two drives edge of driving mechanism and moves back and forth；It is characterized in that, the guide direction of the blanking guide rail is along work Make the width direction setting of case, the printing guide rail is equipped with X direction guiding rails and Y-direction guide rail, length of the X direction guiding rails along work box Direction be arranged, and for printhead prints when moving direction.
2. 3DP printing devices according to claim 1, which is characterized in that the printing speed of service of the print head and fall Expect that the speed of service ratio of mechanism is 3.5 ~ 4.5, the length-width ratio of work box is 2.0~2.5, and the one way maximum of the print head can be beaten Print 1/2 that width is work box width.
3. 3DP printing devices according to claim 1, which is characterized in that the powder supplying mechanism includes under feed bin and feed bin The spreading mechanism of portion's setting, the feed bin downside are equipped with the feed opening with spreading mechanism connection, the feed opening along its length Circumferential edge corresponding with spreading mechanism is equipped with elastic sealing gasket, goes out along its length equipped with spreading on the downside of the spreading mechanism Mouthful, the spreading outlet is docked with the blanking mechanism for being moved to downside.
4. 3DP printing devices according to claim 3, which is characterized in that the spreading mechanism includes seasoning spreading box, described to spread Spreading axis is rotatably connected in magazine along its length, the seasoning spreading box includes the side of spreading axis both sides difference axial symmetry setting Plate is respectively equipped with the arc part tangent with spreading axis, the both side plate on the upside of the tangent arc part on the inside of both side plate Corresponding position forms the feed inlet of seasoning spreading box, and the both side plate corresponding position on the downside of the spreading axis forms spreading outlet；It is described to spread Expect that axis periphery is equipped with the arc groove for accommodating powder, the both ends of the side plate and the upside at spreading axis connection position be equipped with The closure plate of side plate integrally connected, the position clearance fit of the closure plate and the rotation connection of spreading axis, the outside of the closure plate is equipped with Baffle, the position that the baffle corresponds to spreading axis are equipped with the mounting hole being rotatably assorted, bearing group are equipped on the outside of the baffle Part.
5. 3DP printing devices according to claim 4, which is characterized in that the position that the spreading axis is connect with closure plate is set There are the shaft shoulder one, the mounting hole axially inner side of the baffle to be equipped with the taper materials-containing hole radially amplified, the taper holds material outside Mounting hole is circumferentially with sealing ring with the cooperation of spreading axis.
6. 3DP printing devices according to claim 4, which is characterized in that the position that the spreading axis is connect with baffle is set There is the shaft shoulder radially amplified.
7. the 3DP printing devices according to claim 4 or 5 or described in 6, which is characterized in that between the Che Liao mechanisms and feed bin It is additionally provided with foodstuff refiner, the foodstuff refiner includes the refining helical axis being arranged in refining box and refining box, on the refining box Side is connected to feed bin, and downside and spreading mechanism connection, the baffle of spreading mechanism both sides extend upwardly to outside refining box both ends Side, and be fixedly connected with refining box end.
8. the 3DP printing devices according to claim 4 or 5 or described in 6, which is characterized in that spreading outlet downside and blanking Mechanism is docked；The blanking mechanism includes holding material room, and the appearance material is equipped with blanking port on the downside of room, and the blanking port both sides are equipped with and scrape Casting die is used to strike off the material of blanking.
9. 3DP printing devices according to claim 2, which is characterized in that the work box is equipped with one or more, The hoistable platform is equipped with the roller-way convenient for work box disengaging.
10. 3DP printing devices according to claim 1, which is characterized in that be additionally provided with blanking cleaning in the device framework Mechanism and print head cleaning mechanism, the blanking wiper mechanism are set to blanking mechanism origin position, the print head cleaning machine Structure is set to printing mechanism origin position, is additionally provided in the bottom frame for blanking wiper mechanism and print head cleaning machine The cleaning liquid tank of structure feed flow.
CN201810521002.3A 2018-05-28 2018-05-28 A kind of 3DP printing devices Pending CN108515698A (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN109263043A (en) * 2018-11-26 2019-01-25 徐工集团工程机械有限公司 The power spreading device and 3D printer of 3D printer
CN109719940A (en) * 2019-02-28 2019-05-07 共享智能铸造产业创新中心有限公司 A kind of docking facilities of 3D printing equipment work box
CN111515339A (en) * 2020-01-16 2020-08-11 共享智能铸造产业创新中心有限公司 3DP printing equipment

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CN204942542U (en) * 2015-07-16 2016-01-06 常州协昌橡塑有限公司 Rotate sealing structure of shaft end
CN206605787U (en) * 2017-03-22 2017-11-03 安徽恒利增材制造科技有限公司 A kind of printing stone lazy-tongs of 3D printing rapidform machine
CN208558308U (en) * 2018-05-28 2019-03-01 共享智能铸造产业创新中心有限公司 A kind of 3DP printing device

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Publication number Priority date Publication date Assignee Title
CN104085035A (en) * 2014-05-28 2014-10-08 宁夏共享模具有限公司 3D printing equipment with high-efficiency print head
CN204942542U (en) * 2015-07-16 2016-01-06 常州协昌橡塑有限公司 Rotate sealing structure of shaft end
CN206605787U (en) * 2017-03-22 2017-11-03 安徽恒利增材制造科技有限公司 A kind of printing stone lazy-tongs of 3D printing rapidform machine
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109263043A (en) * 2018-11-26 2019-01-25 徐工集团工程机械有限公司 The power spreading device and 3D printer of 3D printer
CN109719940A (en) * 2019-02-28 2019-05-07 共享智能铸造产业创新中心有限公司 A kind of docking facilities of 3D printing equipment work box
CN111515339A (en) * 2020-01-16 2020-08-11 共享智能铸造产业创新中心有限公司 3DP printing equipment
WO2021143092A1 (en) * 2020-01-16 2021-07-22 共享智能装备有限公司 Printing assembly and 3d printing apparatus
EP3871860A4 (en) * 2020-01-16 2021-12-01 Kocel Intelligent Machinery Limited Printing assembly and 3d printing apparatus

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