CN205251765U - Biological printer - Google Patents
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- CN205251765U CN205251765U CN201521134691.0U CN201521134691U CN205251765U CN 205251765 U CN205251765 U CN 205251765U CN 201521134691 U CN201521134691 U CN 201521134691U CN 205251765 U CN205251765 U CN 205251765U
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Abstract
The utility model relates to a biological printer, including the shower nozzle subassembly, first material supplies source and second material supplies source, the shower nozzle subassembly has the outer nozzle of second channel and the interior nozzle that has first material passageway, first material supplies source is arranged in to the first material of first material passageway supply, interior nozzle is coaxial to be established in the second channel, annular space between outer nozzle and the interior nozzle forms second material passageway, second material supplies source is used for to second material passageway supply second material, second material passageway is at the exit of first material passageway first material passageway around, be used for making and assemble and put together from the first material of first material passageway export spun from second material passageway export spun second material orientation, print the unit in order to form the fluid, print the unit in order to form the higher fluid of quality, protect with the pair cell, thereby reduce and cause the cell damage owing to receiving extrusion pressure and frictional force at the printing in -process, and then the survival rate of improvement cell.
Description
Technical field
The utility model relates to biometric print field, relates in particular to a kind of biometric print machine.
Background technology
Biological 3D prints and refers to principle and the method printed by 3D, and biomaterial (is comprisedNatural biologic material and synthesising biological material or cell solution) print and become the three-dimensional structure of designBody, is different from common 3D printing technique, the biological tissue that biological 3D printing technique is produced orOrgan also has certain biological function, and the further growth that is required to be cell and tissue provides barPart, just because of above-mentioned characteristic, biological 3D printing technique, in development, is faced with a lot of spiesFixed technical problem.
Wherein, print field at biological 3D, the technology using cell as printed material is called carefullyBorn of the same parents' three-dimensional printing technology, people can utilize Cell and organism compatibility material to make biological prepared Chinese ink,Shower nozzle moves and by biological prepared Chinese ink ejection, prints biological ink by the motion of programme-control shower nozzle,Biological prepared Chinese ink is built to mathematical model printing shaping according to the three-dimensional of default target printing objects.
In prior art, be the nozzle that is similar to syringe needle for the shower nozzle of biometric print, shouldNozzle is directly installed on above biometric print machine. The ejecting device structure letter of this kind of biometric print machineSingle, be mainly used to competent cell to insert in timbering material, but cannot before printing, realizeParcel. And, adopting shower nozzle directly cell to be ejected in the process of print platform, extrudePressure and nozzle wall can make the cell in biological prepared Chinese ink be subject to larger to the frictional force of cellDamage, thus can have a negative impact to the survival rate of cell, and then affect biological constructBuild.
Utility model content
For overcoming above technological deficiency, the technical problem that the utility model solves is to provide a kind of rawThing printer can be printed multiple printed material simultaneously, further, also can make manyKind of printed material is combined before printing, preferably uses the second material to as biological prepared Chinese inkThe first material circumferentially wrap up, make the cell in its biological prepared Chinese ink also with protection ejectionAs far as possible injury-free.
For solving the problems of the technologies described above, the utility model first aspect provides a kind of biometric printMachine, it comprises nozzle component, the first material source of supply and the second material source of supply, described shower nozzleAssembly has the outer nozzle of second channel and has the inner nozzle of the first material passage, described firstMaterial source of supply is for supplying the first material to described the first material passage, and described inner nozzle is sameAxle is located in described second channel, the annular space shape between described outer nozzle and described inner nozzleBecome the second material passage, described the second material source of supply is used for to described the second material passage supplyThe second material, described the second material passage in the exit of described the first material passage around instituteState the first material passage, for making from the second material court of described the second material passage outlet ejectionTo converging and combine from the first material of described the first material passage outlet ejection, with shapeBecome fluid print unit.
In this basic technical scheme, the second runner can be by the second material towards the first materialDirection guiding and converge gradually, thereby the second material and the first material are gathered together to exampleAs the second material can wrap up the first material equably in the exit of nozzle component, to form matterMeasure higher fluid print unit, so that cell is protected, thereby reduce in print procedureOwing to being subject to extrusion pressure and frictional force causes cellular damage, and then improve the survival rate of cell.
Further, biometric print machine nozzle component also comprises the first material supply pipe and outer nozzleFixed part, described outer nozzle is removably connected to described the first outer nozzle fixed part, described inNozzle is removably connected to described the first material supply pipe.
In this improved technical scheme, outer nozzle and inner nozzle are made to detachable also energy separatelyThe structure of changing, only need to be by the spray nozzle part partition of the contiguous outlet of nozzle component in the time need to dismantlingLower, only relate to the dismounting of local part, make to change comparatively quick.
Further, biometric print machine nozzle component comprises by the nozzle of multiple different sizes and formingNozzle external member group, described outer nozzle and described inner nozzle are selected from described nozzle external member group.
In this improved technical scheme, by changing inner nozzle and the outer nozzle of different size,Just can make the nozzle component ejection particle of different size and the integument of different-thickness, to realizeControlled parcel.
Further, in the exit of described the second material passage, the outlet of described outer nozzle is lowIn the outlet of described inner nozzle.
In this improved technical scheme, outer nozzle prolongation can be further along towardsThe direction convergent of one material passage outlet, thus guiding the second material continues the side to the first materialTo converging, to more reliably and fully wrap up the first material.
Further, described outer nozzle comprises the first guide portion, and described inner nozzle comprises that second drawsLead portion, described the first guide portion and described the second guide portion are adjacent to the outlet of described nozzle componentArrange, the first annular space between described the first guide portion and described the second guide portion is along courtDirection to described the first material passage outlet is convergent.
In this improved technical scheme, the second material passage be adjacent to exit along towardsThe direction of the first material passage outlet is convergent, can guide the process of the second material in ejectionIn further converge to the first material, thereby in the exit of the first material passage to the first materialWrap up, thereby avoided for first material when ejection because the effect of mechanical friction power is subject to as far as possibleTo damage.
Further, described outer nozzle also comprises the first main body being connected with described the first guide portionPortion, described inner nozzle also comprises the second main part being connected with described the second guide portion, describedThe second annular space between one main part and described the second main part is at least partly towards describedThe direction of two material passage outlets is convergents.
In this improved technical scheme, by the annular between the first main part and the second main partSpatial design is the form of at least part of convergent, the pressure that can further increase by the second material withIncrease flow velocity, thereby it is more smooth and easy that the second material is flowed in the second material passage, is not easy to block upPlug, and in the first material passage exit to the parcel of the first material more fully, evenly.
Further, the part of described the first material passage in described the first annular space is thinLong, the part of described the first material passage in described the second annular space at least local towardsThe direction of described the first material passage outlet is convergent.
In this improved technical scheme, the first material passage is adjacent to exit and is designed to carefullyLong-channel, can guide the first material to spray more swimmingly to be wrapped up by the second material.
In the utility model, biometric print machine can pass through to obtain the biometric print material of high-quality,Thereby make the various biological constructs of making keep the higher active and longer life-span.
Further, biometric print machine also comprises pressure-regulating device, for controlling described firstPressure in material source of supply and described the second material source of supply.
In this improved technical scheme, by pressure-regulating device is set, can control firstMaterial and the second material spray from outlet with different speed.
Further, biometric print machine also comprises for controlling described the first material source of supply and instituteState the attemperating unit of the temperature of the second material source of supply.
In this improved technical scheme, by attemperating unit is set, be conducive at print procedureThe activity of middle maintenance biomaterial, especially adopting when full-bodied biometric print material, energyEnough improve mobility, avoid because temperature is compared with the low phenomenon that causes spray nozzle clogging as far as possible, therebyImprove printing effect.
Further, biometric print machine also comprises for the initial print position to described nozzle componentPut the position detecting device judging.
In this improved technical scheme, by setting position checkout gear, can be before printingHeight to print platform judges, to determine the initial print position of nozzle component, therebyObtain higher printing precision.
Thus, based on technique scheme, the nozzle component of biometric print machine of the present utility modelThe version that in adopting, outer nozzle double-layer coaxial arranges, and the first passage of inner nozzle forms theOne material passage, the annular space between outer nozzle and inner nozzle forms the second material passage, energyEnough make from the second material parcel of the second material passage outlet ejection from the first material passage outlet sprayThe first material going out, protects cell with the fluid print unit that forms biometric print material,Thereby reduce in print procedure owing to being subject to extrusion pressure and frictional force causes cellular damage,And then the survival rate of raising cell, there is higher reliability; And second material passage neighbourBe bordering on the form of outlet coaxial surrounding first material passage of the first material passage, be conducive to makeTwo materials are wrapped in outside the first material more equably, avoid the phenomenon of uneven distribution as far as possible,To form the higher fluid print unit of quality.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms thisA part for application, schematic description and description of the present utility model is only for explaining this realityWith novel, do not form improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is that the structure of an embodiment of the nozzle component of the utility model biometric print machine is shownIntention;
Fig. 2 is the enlarged drawing of the nozzle segment of the nozzle component of biometric print machine shown in Fig. 1;
Fig. 3 is the shape that in the nozzle component of biometric print machine shown in Fig. 1, fluid print unit flows outState schematic diagram;
Fig. 4 is the structural representation of an embodiment of the utility model biometric print machine;
Fig. 5 is the structural representation of the attemperating unit of biometric print machine shown in Fig. 4.
Description of reference numerals
1-outer nozzle; 11-the first guide portion; 12-the first main part; 2-inner nozzle; 21The-the second guide portion; 22-the second main part; 3-tube connector; 4-the first material supply pipe; 5-outer nozzle fixed part; 6-connector; 7-fixed head; 8-erection support; 9-temperature control dressPut; 91-cooling piece; 92-radiator; 93-radiator fan; 31-the first material source of supply;32-the second material source of supply; 33-chute; 13-position detecting device; A-the first materialPassage; B-the second material passage.
Detailed description of the invention
Below by drawings and Examples, the technical solution of the utility model is done further in detailThin description.
Detailed description of the invention of the present utility model is for the ease of to design of the present utility model, instituteThe technical problem solving, the technical characterictic that forms technical scheme and the technique effect bringing have moreThe explanation of one step. It should be noted that, do not form this for the explanation of these embodimentsThe restriction of utility model. In addition in embodiment of the present utility model described below, relate to,Technical characterictic just can combine mutually as long as do not form each other conflict.
In prior art, the nozzle component of biometric print machine cannot be realized cell before printingParcel, can cause causing the damage of cell in print procedure, and for this reason, the utility model providesA kind of biometric print machine, its structure is with reference to the schematic diagram shown in figure 1 and Fig. 2. Show at oneIn the embodiment of meaning property, biometric print machine comprises nozzle component, the first material source of supply 31 and theTwo material sources of supply 32. Nozzle component comprises having the outer nozzle 1 of second channel and have firstThe inner nozzle 2 of passage, inner nozzle 2 is coaxially located in second channel, and first passage forms firstMaterial passage A, the annular space between outer nozzle 1 and inner nozzle 2 forms the second material passageB, the second material passage B is logical around the first material at the discharge ring that is adjacent to the first material passage ARoad A, for making from the second material of the second material passage B outlet ejection towards from the first materialThe first material of passage A outlet ejection converges, to form the fluid printing list of biometric print materialUnit.
The first material passage A and the second material passage B can be for delivery of congener materials,Also be for delivery of different kinds material, can use simultaneously, also can use independently of one another.The first material and the second material can be the same or different.
When the first material is with the second material when different, the first material can be for example decentralized photo solutionThe main material of (continuous fluid of homogeneous) or the suspension (heterogeneous fluid) that contains cell,The second material can be for example the auxiliary material of surrounding sheath fluid or nutrient solution. Fluid print unit is biologicalThe composition print unit of printed material, for example, can be wrapped up main material and be formed by auxiliary material.
In biometric print machine nozzle component of the present utility model adopts, outer nozzle double-layer coaxial arrangesVersion, and the first passage of inner nozzle forms the first material passage, outer nozzle and interior sprayAnnular space between mouth forms the second material passage, can make from the second material passage outlet sprayThe auxiliary material parcel going out is from the main material of the first material passage outlet ejection, to form biometric print materialFluid print unit cell is protected, thereby reduce in print procedure owing to being squeezedGo out pressure and frictional force and cause cellular damage, and then improve the survival rate of cell, have higherReliability; And second material passage be adjacent to the outlet coaxial surrounding of the first material passageThe form of the first material passage, is conducive to make auxiliary material to be wrapped in more equably outside main material, to the greatest extentAmount is avoided the phenomenon of uneven distribution, to form the fluid print unit that quality is higher.
Because printer needs regularly nozzle component inside to be cleared up in use, therebyIn an improved embodiment, for the ease of nozzle component is cleared up, can be by outer nozzle 1Make structure detachable and that can change separately with inner nozzle 2, in the time that needs are dismantled, only need like thisThe nozzle segment of the contiguous outlet of nozzle component to be pulled down, only relate to tearing open of local partUnload, make to change comparatively quick.
For realizing this purpose, can adopt concrete structure as shown in Figure 1, biometric print machineNozzle component also comprises: the first material supply pipe 4 and outer nozzle fixed part bar 5, outer nozzle 1Be detachably connected to outer nozzle fixed part 5, inner nozzle 2 is removably connected to the first materialOn supply pipe 4. Owing to there being annular between the first material supply pipe 4 and outer nozzle fixed part 5Space, thereby in order to realize the relative fixing of the first material supply pipe 4 and outer nozzle fixed part 5,Can connector 6 be set in the upper end of outer nozzle fixed part 5, connector 6 and the first material supplyShould manage 4 matches.
Alternatively, outer nozzle 1 and inner nozzle 2 respectively with outer nozzle fixture 5 and the first materialSupply pipe 4 is threaded connection, and can realize dismounting, this connection by rotating two nozzlesMode is comparatively reliable, does not also need to increase other extra part and assists connection. Except screw threadConnect, those skilled in the art can also adopt the fast winding machine of inserting to removably connect, and only needPress or discharge locking piece and can realize the dismounting of nozzle.
For the particle and the different-thickness that make nozzle component can spray different size wrap up liquid,On the basis of the dismountable embodiment of nozzle, comprise a nozzle external member group, this nozzle external member groupOuter nozzle 1 and inner nozzle 2 by multiple different sizes form, in the time carrying out a print out task,Can from nozzle external member group, select suitable outer nozzle 1 and inner nozzle 2. Specification difference refers toShape, size or the tapering difference of nozzle, but threaded connection place is measure-alike. Like thisJust can change at any time as required the nozzle of different size, obtain different apertures and taperingCoordinate, so that the fluid print unit of different size to be provided, or effect is preferably wrapped up in acquisition.Thus, by changing outer nozzle 1 and the inner nozzle 2 of different size, just can realize auxiliary material pairThe controlled parcel of main material.
For the above embodiments, main material and auxiliary material can wrap up in the exit of nozzle component.Usually, in the exit of the second material passage B, the outlet of outer nozzle 1 and inner nozzle 2Outlet flushes. More preferably, in the exit of the second material passage B, the outlet of outer nozzle 1The outlet of inner nozzle 2, like this prolongation can be further along towards the first material passage AThe direction convergent of outlet, thus guide auxiliary material further to converge to the direction of the first material, so thatMore reliably and fully wrap up main material.
In the preferred version of one, the first material passage A is in contiguous nozzle component outletFor elongated passageway, can make main material carry out directional guide and sequence in the time of ejection, reduction is stopped upPossibility. The part that the second material passage B is adjacent to outlet is along towards the first material passage AThe direction of outlet is convergent, can give so auxiliary material along applying towards the mobile direction of main materialPressure, to guide the direction ejection of auxiliary material towards main material, thereby wraps up main material better, andCan also increase pressure that auxiliary material is subject to improve flow velocity, thus make auxiliary material flow out more swimmingly withRealize parcel. Those skilled in the art can pass through the degree of design the second material passage convergent,To realize controlled parcel before printing.
To provide a kind of concrete realization for the embodiment of the second material passage B convergent belowStructure, as shown in Figure 2, outer nozzle 1 comprises the first guide portion 11 and the first main part 12,Inner nozzle 2 comprises the second guide portion 21 and the second main part 22, the first guide portion 11 and secondGuide portion 21 is adjacent to the outlet setting of nozzle component, the first guide portion 11 and the second guide portionAnnular space between 21 is convergent along the direction exporting towards described the first material passage A.
More preferably, the section that the second material passage B is adjacent to the part of outlet is taper, coneThe form of shape convergent has good guiding function than other Shapes body, and can makeThe flow velocity of auxiliary material on sustained height is identical, thereby makes to arrive the stream in the second material passage exitSpeed is also basic identical, and then realizes auxiliary material and equably main material is wrapped up. For example,, at Fig. 1In shown embodiment, the second guide portion 21 is cylindricality, and the first guide portion 11 is back taper.In other embodiments, also the first guide portion 11 and the second guide portion 21 all can be designedFor back taper, and the tapering of the first guide portion 11 is greater than the tapering of the second guide portion 21.
In this concrete version, the first main part 12 comprises the first cylindrical portion and firstConus portion, the first conus portion is connected between the first guide portion 11 and the first cylindrical portion, the first circlePost portion is connected with outer nozzle fixed part 5 by threaded engagement or other fastening means, and outer nozzle is solidBonding part 5 is provided with tube connector 3, for auxiliary material being introduced to the second material passage B. The second main bodyPortion 22 comprises the second cylindrical portion and the second conus portion, and the second conus portion is connected to the second guide portion21 and second between cylindrical portion, and the second cylindrical portion is by threaded engagement or other fastening means and theOne material supply pipe 4 connects. Wherein, the second conus portion plays transitional function, by the first materialThe sectional area of passage A from large to small, meets printing requirement thereby main material is changed in the time flowing outFluid print unit, the design of the first conus portion is in order to adapt with the second conus portion, fromAnd auxiliary material is played to guiding function. As a kind of more excellent design form, the second material passage BSpace between the first conus portion and the second conus portion is convergent, can further increase auxiliaryThe pressure of material is to increase flow velocity, thereby it is more smooth and easy that auxiliary material is flowed in the second material passage B,Be not easy to stop up, and the parcel to main material is more abundant in exit.
For the first material passage A, the first material passage A corresponding with the second guide portion 21Elongated passageway, the first material passage A corresponding with the first main part 12 at least partly towardsThe direction of the first material passage A outlet is convergent, to realize the transition to elongated passageway. AsStructure shown in Fig. 2 and Fig. 3, the first material passage A corresponding with the second cylindrical portion cutsThe cylindrical passageway that area is larger, by the transitional function of the second conus portion, has realized with second and having drawnThe the first material passage A that leads portion's 21 correspondences is elongated cylindrical passageway. And elongated passagewayGood can for example, passing through for single-row main material (cell), to guide main material to spray more swimmingly with quiltAuxiliary material parcel, thus the biometric print material that meets dimensional requirement formed.
Below in conjunction with the embodiment shown in Fig. 2, to the work of this kind of nozzle component of the utility modelBe elaborated as principle. Under the control of pressure, main material flows along the first material passage AMoving, auxiliary material flows along the second material passage B of convergent, and has certain pressure, is reachingDuring to the outlet of the second material passage B, be attached on the main material that arrives the first material passage A outlet,Realize and be all wrapped to form fluid print unit gradually, the final outlet from nozzle component in an orderly mannerEjection.
In addition, the utility model also provides a kind of biometric print machine, as shown in Figure 4 and Figure 5Embodiment, it comprises above-mentioned biometric print machine nozzle component, due to the utility model biologyPrinter head assembly can wrap up cell in the time printing, thereby cell is protectedAnd injury-free, there is higher survival rate, thereby adopt the biometric print of this kind of nozzle componentMachine also possesses corresponding useful technique effect, can by obtain high-quality biometric print material withMake the various biological constructs of making can keep good biology performance, for example higher workProperty and longer life-span etc. Preferably, biometric print machine is 3D biometric print machine, this practicalityNew bio printer head assembly is particularly useful for 3D biometric print machine.
In an embodiment of the present utility model, this biometric print machine also comprise fixed head 7,Erection support 8, the first material source of supply 31 and the second material source of supply 32, fixed head 7 conductsThe benchmark of each parts in whole biometric print machine, under erection support 8 is located in fixed head 7 one sidesThe position of portion, the first material source of supply 31 and the second material source of supply 32 are respectively used to hold masterMaterial and auxiliary material, and left and right is located in erection support 8 side by side, and for example, material source of supply can beHold the container of material. Nozzle assembly P of the present utility model (referring to Fig. 4) is arranged on firstUnder material source of supply 31, so that the first material source of supply 31 and the first material passage A connectLogical, the second material source of supply 32 is communicated with by tube connector 3 with the second material passage B.
For the biometric print machine of this embodiment, need to realize biometric print by pressure controlFlowing of material, is preferably air pressure control, thereby biometric print machine also needs to comprise that pressure regulates dressPut, for example, select electric Proportion valve etc. When the first material source of supply 31 and the second material source of supplyIn 32, install after material, be connected with the electric Proportion valve in gas circuit respectively, two material sources of supplyEach self-corresponding electric Proportion valve carries out real-time analog quantity with control system again communicates by letter, through upperSoftware sends instruction and respectively the extrusion capacity of two material sources of supply is controlled. By adjusting respectivelySolar term are pressed, and can control the spouting velocity of the first material passage A and the second material passage B inner fluid.
According to different printing demands, can take different control modes:
In the time that needs form continuous biometric print material, first, at the first material source of supply 31The main material of interior interpolation, main material is the compounding substances that contains cell, its state can be to have mobilityFluid, also gel state; At the auxiliary material of the interior interpolation of the second material source of supply 32, auxiliary material canTo be the material (major-minor same material) identical with main material, according to user demand, auxiliary material can be to supplyGive the material of nutrition, also can be to provide the material (can be used for and form protective layer) of bonding force,Also can be the material that is coated on main material and around forms protective layer. Then, regulate dress by pressurePut in the first material source of supply 31 and apply constant air pressure, just can make main material continue ejection,Wrap up by auxiliary material outside, and entirety becomes elongate structure.
In the time that needs form granular biometric print material, can be at the first material source of supply 31The main material of interior interpolation, at the auxiliary material of the interior interpolation of the second material source of supply 32, and to the first material source of supply31 pressurizations and switching formation pulse continually, for controlling main material going out from the first material passage AMouth sprays with discrete particle form; And apply continuous pressure in the second material source of supply 32,Spray continuously from the outlet of the second material passage B for controlling auxiliary material, can certainly be to secondIn material source of supply 32, apply pulse. Referring to Fig. 3, by the pulse control to main material,Just can form discrete particle, and be combined with the auxiliary material of skin, form the stream of similar yolk-egg whiteBody print unit, and under the effect of temperature rapid cooling and shaping.
As preferred embodiment, biometric print machine of the present utility model also comprises for controllingAttemperating unit 9, the first material sources of supply 31 and the second material supply of the temperature of main material and auxiliary materialSource 32 can adopt independently attemperating unit 9. Referring to Fig. 5, attemperating unit 9 is located to install and props upOn seat 8, away from a side of fixed head 7, attemperating unit 9 is near one end of erection support 8Comprise successively: cooling piece 91, radiator 92 and radiator fan 93, cooling piece 91 is near installingThe surface of bearing 8 arranges, can be to biometric print material under the control of outside temperature controllerHeat or cooling, cooling piece 91 can be selected semiconductor chilling plate, semiconductor chilling plateTemperature control end and material source of supply are oppositely arranged, and non-temperature control end and radiator 92 are oppositely arranged, heat radiationThe heat that device 92 produces in when work for taking away semiconductor chilling plate, radiator fan 93 forAccelerate the heat radiation process of radiator 92. Further, can also be at the first material source of supply31 and the outer setting temperature-detecting device of the second material source of supply 32, with to main material and auxiliary materialCurrent Temperatures judge more accurately.
In this embodiment, by attemperating unit 9 is set, be conducive to keep in print procedure biologicalThe activity of material, while especially adopting full-bodied biometric print material, can improve mobility,Avoid because temperature is compared with the low phenomenon that causes spray nozzle clogging as far as possible, thereby improve printing effect.
In another preferred embodiment, biometric print machine also comprises position detecting device 13,Position detecting device 13 is located in the chute 33 being installed on fixed head 7, position detecting device13 can move up and down along chute 33, judge for the height to print platform before printing,To determine the initial print position of nozzle component, thereby obtain higher printing precision.
Above to a kind of biometric print machine nozzle component provided by the utility model and biological beatingSeal machine is described in detail. Apply specific embodiment herein to of the present utility model formerReason and embodiment are set forth, and the explanation of above embodiment is just for helping to understand this realityBy novel method and core concept thereof. It should be pointed out that the ordinary skill for the artPersonnel, are not departing under the prerequisite of the utility model principle, can also be to the utility modelCarry out some improvement and modification, these improvement and modify and also fall into the utility model claimIn protection domain.
Claims (10)
1. a biometric print machine, it is characterized in that, comprise nozzle component, the first material source of supply (31) and the second material source of supply (32), described nozzle component has the outer nozzle (1) of second channel and has the inner nozzle (2) of the first material passage (A), described the first material source of supply (31) is for supplying the first material to described the first material passage (A), described inner nozzle (2) is coaxially located in described second channel, annular space between described outer nozzle (1) and described inner nozzle (2) forms the second material passage (B), described the second material source of supply (32) is for supplying the second material to described the second material passage (B), described the second material passage (B) in the exit of described the first material passage (A) around described the first material passage (A), be used for making from the second material of described the second material passage (B) outlet ejection towards converging and combine from the first material of described the first material passage (A) outlet ejection, to form fluid print unit.
2. biometric print machine according to claim 1, it is characterized in that, described nozzle component also comprises the first material supply pipe (4) and outer nozzle fixed part (5), described outer nozzle (1) is removably connected to described the first outer nozzle fixed part (5), and described inner nozzle (2) is removably connected to described the first material supply pipe (4).
3. biometric print machine according to claim 2, it is characterized in that, described nozzle component comprises the nozzle external member group being made up of the nozzle of multiple different sizes, and described outer nozzle (1) and described inner nozzle (2) are selected from described nozzle external member group.
4. biometric print machine according to claim 1, is characterized in that, in the exit of described the second material passage (B), the opening of described outer nozzle (1) is lower than the opening of described inner nozzle (2).
5. biometric print machine according to claim 1, it is characterized in that, described outer nozzle (1) comprises the first guide portion (11), described inner nozzle (2) comprises the second guide portion (21), described the first guide portion (11) and described the second guide portion (21) are adjacent to the outlet setting of described shower nozzle, and the first annular space between described the first guide portion (11) and described the second guide portion (21) is convergent along the direction exporting towards described the second material passage (B).
6. biometric print machine according to claim 5, it is characterized in that, described outer nozzle (1) also comprises the first main part (12) being connected with described the first guide portion (11), described inner nozzle (2) also comprises the second main part (22) being connected with described the second guide portion (21), and the second annular space between described the first main part (12) and described the second main part (22) is convergent towards the direction of described the second material passage (B) outlet at least partly.
7. biometric print machine according to claim 6, it is characterized in that, the part of described the first material passage (A) in described the first annular space is elongated, and at least local direction towards described the first material passage (A) outlet of the part of described the first material passage (A) in described the second annular space is convergent.
8. biometric print machine according to claim 1, is characterized in that, also comprises pressure-regulating device, for controlling the pressure in described the first material source of supply (31) and described the second material source of supply (32).
9. biometric print machine according to claim 1, is characterized in that, also comprises the attemperating unit (9) of the temperature for controlling described the first material source of supply (31) and described the second material source of supply (32).
10. biometric print machine according to claim 1, is characterized in that, also comprises the position detecting device (13) judging for the initial print position to described nozzle component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134691.0U CN205251765U (en) | 2015-12-30 | 2015-12-30 | Biological printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134691.0U CN205251765U (en) | 2015-12-30 | 2015-12-30 | Biological printer |
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| CN205251765U true CN205251765U (en) | 2016-05-25 |
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| CN201521134691.0U Active CN205251765U (en) | 2015-12-30 | 2015-12-30 | Biological printer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922590A (en) * | 2016-06-01 | 2016-09-07 | 深圳万为智能制造科技有限公司 | 3D printing air nozzle and multi-channel telescopic nozzle valve provided with air nozzle |
| CN106388970A (en) * | 2016-11-02 | 2017-02-15 | 周惠兴 | Nozzle apparatus with package function |
| CN112109324A (en) * | 2019-06-20 | 2020-12-22 | 中国科学院福建物质结构研究所 | Two-component material with sandwich structure and preparation method thereof based on 3D printing |
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| CN106388970A (en) * | 2016-11-02 | 2017-02-15 | 周惠兴 | Nozzle apparatus with package function |
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| CN112109324A (en) * | 2019-06-20 | 2020-12-22 | 中国科学院福建物质结构研究所 | Two-component material with sandwich structure and preparation method thereof based on 3D printing |
| CN112109324B (en) * | 2019-06-20 | 2021-09-21 | 中国科学院福建物质结构研究所 | Two-component material with sandwich structure and preparation method thereof based on 3D printing |
| CN113172887A (en) * | 2021-03-15 | 2021-07-27 | 中国科学院上海硅酸盐研究所 | Bionic coaxial 3D printing nozzle and coaxial support material with slow release function |
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