CN204818064U - 3D printing apparatus and compound shower nozzle thereof - Google Patents
3D printing apparatus and compound shower nozzle thereof Download PDFInfo
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- CN204818064U CN204818064U CN201520619087.0U CN201520619087U CN204818064U CN 204818064 U CN204818064 U CN 204818064U CN 201520619087 U CN201520619087 U CN 201520619087U CN 204818064 U CN204818064 U CN 204818064U
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Abstract
The utility model discloses a 3D printing apparatus and compound shower nozzle thereof, include: 3D printer main part has the room of printing and is located print indoor print platform, ground paste pressure is stored and quantitative feeding system (100) for store the metal ground paste, and can supply under gas pressure the metal ground paste, ground paste 3D prints compound shower nozzle (200), its with ground paste pressure is stored and is fed through with quantitative feeding system (100), will carry the metal ground paste that comes to spray print platform is last, chemosetting agent pressure store with quantitative feeding system (31), its with ground paste 3D prints compound shower nozzle (200) intercommunication for store the chemosetting agent, and can with chemosetting agent warp ground paste 3D print compound shower nozzle (200) spout into in the metal ground paste, make the solidification of spun metal ground paste, thermal initiation system (32) for heating spun metal ground paste is with solidification. Above -mentioned equipment is applicable to most metal powder.
Description
Technical field
The utility model relates to a kind of 3D printing device, more specifically, relate to metal slip 3D print parison prepare metallic element equipment and be directly used in 3D printing shaping complicated shape pottery parison 3D printing device, belong to 3D printing technique field and powder compacting field.
Background technology
It is the technology of directly being produced 3D solid from mathematical model by material stacking that 3D prints, in theory, the three-dimensional body of any shape can be layered and be sliced into two-dimentional lamellar structure, and 3D printing technique is considered in the direct forming of any complicated shape metal parts, have great potentiality.
For numerous powder metallurgy worker, expect to take the method similar with ceramic production technology to prepare metallic element always, namely metal dust is mixed with metal slip, piles up or pile the parison being moulded 3 D stereo, obtained metallic element after sintering.3D printing technique development in recent years rapidly, therefore we propose slip casting technology and 3D printing technique to combine, utilize the ability of the shaping any Complicated Spatial Structure of the mobility of metal slip, curability and 3D printing technique, integration, near-net-shape metallic element base substrate, and then prepare the metallic element of complicated shape.But in research process, find when implementing this technology, to there are some difficult points, substantially these difficult points can be classified as two large key issues:
(1) processability is applicable to the metal slip of 3D printing speed, its technical requirement comprises: I) metal dust and other components can well compatible (comprising physical compatibility and chemical compatibility), metal powder granulates disperses uniformly and stably, not easily precipitates; II) good fluidity, viscosity number is less than 1Pas, easily through Cemented filling; III) curing reaction can control, and requires that metal slip is less than 3 seconds hardening time, to solve the problem of solidification in print procedure.
(2) to solve from equipment metal slip store and directed quantitatively conveying fast, by the problem controlling the solidification of metal slip in the Digital Control problems such as cross sectional shape metered injection metal slip and print procedure.
For the problem of processability grade metal slip, slip casting technology has developed ripe slip system all for most metals powder and ceramic powders, by adding dispersant and taking special dispersion means, can control metal charge slurry in metal dust solid concentration higher than 55%, viscosity number, lower than 1Pas, can say that the performance of the metal slip in the past researched and developed and characteristic have met the requirement of 3D printing speed.But these slips can not be directly used on existing 3D printer, need to carry out Design & reform to existing 3D printer.
Above-mentioned two key issues are indivisible, on the lot of research basis of our metal slip in early stage, by the utility model after functions of the equipments and structural design and actual equipment test, complete equipment research of the present utility model.
Retrieve nearly 30 years documents, not yet retrieve and come the 3D printing device patent of forming metal parts base substrate and relevant report thereof by 3D printing metal slip.
Summary of the invention
The utility model object is to provide one 3D printing device, and it is by using metal slip, and by composite spray jet head, the mode caused with chemistry initiation or heat causes the solidification of metal slip fast, thus obtains metallic element base substrate.
For achieving the above object, the utility model provides a kind of 3D printing device, and described equipment comprises: 3D printer main body, has Photocopy Room and the print platform being positioned at described Photocopy Room;
Slip pressure reservoir and quantitative feeding system 100, for storing metal slip, and can supply described metal slip under gas pressure;
Slip 3D prints composite spray jet head 200, and it is communicated with quantitative feeding system 100 with described slip pressure reservoir, is ejected on described print platform by the metal slip transported;
Chemical curing agent pressure reservoir and quantitative feeding system 31, it prints composite spray jet head 200 with described slip 3D and is communicated with, for storing chemical curing agent, and described chemical curing agent can be sprayed in described metal slip through described slip 3D printing composite spray jet head 200, the metal slip of ejection is solidified;
Hot initiating system 32, for heating the metal slip of ejection with solidification.
Preferably, described slip 3D prints multiple chemical curing agent spray orifices 22 that composite spray jet head 200 comprises main slurry nozzle 21 and arranges around described main slurry nozzle 21; Described main slurry nozzle 21 is communicated with described slip pressure reservoir and quantitative feeding system 100, and described chemical curing agent spray orifice 22 is communicated with described chemical curing agent pressure reservoir and quantitative feeding system 31.
Preferably, described slip pressure reservoir and quantitative feeding system 100 comprise slip pressure reservoir case 11, pulp flow amount control device 12 and slurry pipeline transport pipe 13; Described slip pressure reservoir case 11 is provided with Pressure gauge 111 and a gases at high pressure inlet tube 112, applies predetermined pressure with the gases at high pressure controlling to introduce to metal slip; Described slurry pipeline transport pipe 13 is connected with the main slurry nozzle 21 of described composite spray jet head 200.
Preferably, described pulp flow amount control device 12 has flow control valve, be arranged between described slip pressure reservoir case 11 and described slurry pipeline transport pipe 13, or be arranged between described slurry pipeline transport pipe 13 and described composite spray jet head 200, or be arranged on described slurry pipeline transport pipe 13.
Preferably, described chemical curing agent pressure reservoir and quantitative feeding system 31 comprise chemical curing agent pressure reservoir case, chemical curing agent volume control device and chemical curing agent carrier pipe; Described chemical curing agent pressure reservoir case is provided with Pressure gauge and gases at high pressure inlet tube, applies predetermined pressure with the gases at high pressure controlling to introduce to chemical curing agent; Described chemical curing agent carrier pipe is connected with the chemical curing agent spray orifice 22 of described composite spray jet head 200.
Preferably, described chemical curing agent volume control device has flow control valve, be arranged between described chemical curing agent pressure reservoir case and described chemical curing agent carrier pipe, or be arranged between described chemical curing agent carrier pipe and described composite spray jet head 200, or be arranged on described chemical curing agent carrier pipe.
Preferably, described hot initiating system 32 is arranged around described Photocopy Room, and the outer of main slurry nozzle 21 that described slip 3D prints composite spray jet head 200 is arranged with cooling back installation 321; Or described hot initiating system 32 prints the periphery of composite spray jet head 200 around being arranged on described slip 3D, the outer of main slurry nozzle 21 that described slip 3D prints composite spray jet head 200 is arranged with cooling back installation 321.
Preferably, described equipment comprises multiple described slip pressure reservoir and quantitative feeding system 100, and each described slip pressure reservoir and quantitative feeding system 100 independently store and carry a kind of metal slip.
Preferably, also comprising control system, carrying out chemistry initiation solidification or selecting to start described hot initiating system 32 pairs of metal slips carrying out heat and causing and solidify for controlling to select to start described chemical curing agent pressure reservoir and quantitative feeding system 31 pairs of metal slips.
The utility model also provides a kind of composite spray jet head of 3D printing device, described 3D printing device comprises slip pressure reservoir and quantitative feeding system 100 and chemical curing agent pressure reservoir and quantitative feeding system 31, it is characterized in that, described composite spray jet head comprises: main slurry nozzle 21 and the multiple chemical curing agent spray orifices 22 arranged around described main slurry nozzle 21; Described main slurry nozzle 21 is communicated with described slip pressure reservoir and quantitative feeding system 100, and described chemical curing agent spray orifice 22 is communicated with described chemical curing agent pressure reservoir and quantitative feeding system 31.
Preferably, the outer of described main slurry nozzle 21 is arranged with cooling back installation 321.
The utility model also provides a kind of 3D printing device, and described equipment comprises: 3D printer main body, has Photocopy Room and the print platform being positioned at described Photocopy Room; Slip pressure reservoir and quantitative feeding system 100, for storing metal slip, and can supply described metal slip under gas pressure; Slip 3D prints composite spray jet head 200, and it is communicated with quantitative feeding system 100 with described slip pressure reservoir, is ejected on described print platform by the metal slip transported; Chemical curing agent pressure reservoir and quantitative feeding system 31, it prints composite spray jet head 200 with described slip 3D and is communicated with, for storing chemical curing agent, and described chemical curing agent can be sprayed in described metal slip through described slip 3D printing composite spray jet head 200, the metal slip of ejection is solidified.
Preferably, described slip 3D prints multiple chemical curing agent spray orifices 22 that composite spray jet head 200 comprises main slurry nozzle 21 and arranges around described main slurry nozzle 21; Described main slurry nozzle 21 is communicated with described slip pressure reservoir and quantitative feeding system 100, and described chemical curing agent spray orifice 22 is communicated with described chemical curing agent pressure reservoir and quantitative feeding system 31.
To sum up, the utility model provides a kind of 3D printing device, it is applicable to the equipment that printing parison prepares metallic element, metal slip is ejected on print platform according to parts threedimensional model parameter by printer head by layer by layer, the mode simultaneously caused with chemistry initiation and/or heat causes the polymerisation of organic monomer in slip fast, form tridimensional network metal-powder in-stiu coating is fixed, make metal slip rapid solidification, print until obtain the parison with certain density and required form layer by layer, realization metal slip prints the critical process preparing metallic element parison through 3D, comprise 3D printer body, also comprise: slip pressure reservoir and quantitative feeding system 100, slip 3D prints composite spray jet head 200 and special two kinds of cure systems 300.
Equipment operation principle of the present utility model is: left in advance by the metal slip of use in slip pressure reservoir case 11, in 3D print procedure, metal slip delivers to through slurry pipeline transport pipe 13 main slurry nozzle 21 place that slip 3D prints composite spray jet head 200 under gas pressure, and be injected on print platform, meanwhile, the chemical curing agent spray orifice 22 that quantitative chemical curing agent prints composite spray jet head 200 through slip 3D is sprayed in metal slip or adopts hot initiating system 32 that the metal slip of ejection is heated to solidification temperature, the microcell completing metal slip prints to be extruded and simultaneously microcell rapid solidification process, under the whole process manipulation of 3D printer host to shower nozzle, complete and print by metal slip the process obtaining required complicated shape metal slip solidification parison through 3D, drying again, degreasing and sintering, metallic element needed for final acquisition.
Described slip pressure reservoir and quantitative feeding system 100 and the metal slip kind one_to_one corresponding used when printing, namely often kind of metal slip is carried respectively by respective independently a set of slip pressure reservoir and quantitative feeding system 100, comprises slip pressure reservoir case 11, pulp flow amount control device 12 and slurry pipeline transport pipe 13; Described slip pressure reservoir case 11 top is provided with Pressure gauge 111 and upper right quarter is provided with a gases at high pressure inlet tube 112; Described pulp flow amount control device 12 is made up of flow control valve and switch element; Described slurry pipeline transport pipe 13 is connected with main slurry nozzle 21; The gases at high pressure being controlled by Pressure gauge 111 to introduce apply predetermined pressure to metal slip, and are controlled the flow direction and the flow of metal slip by pulp flow amount control device 12, and metal slip sends into main slurry nozzle 21 quantitatively through slurry pipeline transport pipe 13.
Described slip 3D prints composite spray jet head 200 and comprises main slurry nozzle 21 and chemical curing agent spray orifice 22; Described chemical curing agent spray orifice 22 is looped around main slurry nozzle 21 outer ring, to ensure chemical curing agent and metal slip Homogeneous phase mixing and to control chemical curing agent addition; Main slurry nozzle 21 diameter at center can be 0.2mm ~ 5mm, can around 4 ~ 64 chemical curing agent spray orifices 22 around main slurry nozzle 21, chemical curing agent spray orifice 22 diameter can be 0.01mm ~ 0.5mm, and chemical curing agent and the injection quantity ratio both metal slip must strict regulation and control.
Described two kinds of special cure systems 300 comprise chemistry initiation system 31 and hot initiating system 32; Chemical curing agent is sent into chemical curing agent spray orifice 22 by a set of slip pressure reservoir and quantitative feeding system 100 by described chemistry initiation system 31, print the major ingredient spray nozzle for slurry 21 metered injection metal slip of composite spray jet head 200 at slip 3D while, chemical curing agent spray orifice 22 around ejects a certain amount of chemical curing agent, the injection proportion of metal slip and chemical curing agent is depending on metal slurry compositions, must strictly regulate and control, and ensure that chemical curing agent evenly sprays in metal slip along surrounding, cause the curing reaction of metal slip fast; Described hot initiating system 32 is around whole Photocopy Room, slip 3D prints composite spray jet head 200 and presses cross sectional shape to while metered injection metal slip on print platform, by hot initiating system 32, whole Photocopy Room is heated to initiation temperature, make metal slip rapid solidification, when adopting hot initiation method, slip 3D prints in composite spray jet head 200 must increase cooling back installation 321, ensures that the metal slip that slip 3D prints in composite spray jet head 200 does not solidify.
Custom-designed metal slip is adopted in the utility model, described metal slip mixes formulated by solvent, organic monomer, metal dust and dispersant by a certain percentage, the metal slip be injected on print platform can be made by controlling chemistry initiation to solidify completely in 3 seconds with heat initiation parameter.
According to the utility model embodiment, the technical solution adopted in the utility model has following benefit:
1, metal slip is by composite spray jet head, and the mode caused with chemistry initiation or heat causes the solidification of metal slip fast, thus obtains metallic element base substrate.
2, raw material scope is wide, the slip system that most metals powder is all existing ripe, and by adding dispersant or adopting special dispersion means, makes metal slip solid concentration higher than 55%, viscosity number is less than 1Pas, be convenient to conveying, meet the requirement of 3D printing speed.
3, utilization rate of raw materials is close to 100%, significantly can save raw material.
4, available 3D printing shaping has the metallic element parison of any complex space, and can obtain fine and close metallic element after drying, degreasing and sintering.
5, the composition metal parts that different metal is formed can be manufactured, make metallic element Performance optimization.
6, for metallic element parison, whole production procedure only has 3D printing shaping and degreasing sintered two parts, shortens the production cycle, reduces production cost.
7, equipment of the present utility model can directly apply to ceramic industry, uses ceramic slurry 3D to print ceramic parison, prepares complicated shape ceramic product.
Other additional aspect of the utility model and advantage will be described below middle part and provide, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the utility model and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the structural representation preparing metallic element equipment in the utility model specific embodiment with metal slip 3D printing parison;
Fig. 2 is the structural representation of slip pressure reservoir and quantitative feeding system in the utility model specific embodiment;
Fig. 3 A is the cross-sectional schematic that in the utility model specific embodiment, slip 3D prints composite spray jet head;
Fig. 3 B is the elevational schematic view that in the utility model specific embodiment, slip 3D prints composite spray jet head.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Embodiment of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
The present embodiment provides a kind of metal slip 3D printing parison to prepare the equipment of metallic element, and as shown in Figure 1, this equipment comprises 3D printer main body, has Photocopy Room and the print platform being positioned at described Photocopy Room.This equipment also comprises: slip pressure reservoir and quantitative feeding system 100, slip 3D print composite spray jet head 200, chemical curing agent pressure reservoir and quantitative feeding system 31, hot initiating system 32.Slip pressure reservoir and quantitative feeding system 100 for storing metal slip, and can supply described metal slip under gas pressure; Slip 3D prints composite spray jet head 200 and is communicated with quantitative feeding system 100 with described slip pressure reservoir, is ejected on described print platform by the metal slip transported; Chemical curing agent pressure reservoir prints composite spray jet head 200 with quantitative feeding system 31 with described slip 3D and is communicated with, for storing chemical curing agent, and described chemical curing agent can be sprayed in described metal slip through described slip 3D printing composite spray jet head 200, make the metal slip rapid solidification of ejection; Hot initiating system 32 is for heating the metal slip of ejection with rapid solidification.
In the present embodiment, described equipment comprises multiple slip pressure reservoir and quantitative feeding system 100, and each slip pressure reservoir and quantitative feeding system 100 independently store and carry a kind of metal slip.As shown in Figure 2, slip pressure reservoir and quantitative feeding system 100 comprise the slip pressure reservoir case 11 of stainless steel, the pulp flow amount control device 12 of stainless steel and the slurry pipeline transport pipe 13 of plastic material.Slip pressure reservoir case 11 top is provided with a Pressure gauge 111; Slip pressure reservoir case 11 upper right side is provided with the gases at high pressure inlet tube 112 of introducing gases at high pressure; Pulp flow amount control device 12 is positioned at slip pressure reservoir case 11 lower exit port place; Slurry pipeline transport pipe 13 is through pulp flow amount control device 12, and one end connects slip pressure reservoir case 11 lower exit port, and the other end is connected to the main slurry nozzle 21 of composite spray jet head, and slurry pipeline transport pipe 13 internal diameter can be 4mm.10L metal slip can be loaded in slip pressure reservoir case 11, the high pressure nitrogen being controlled by Pressure gauge 111 to introduce applies predetermined pressure (force value is determined by metal slip performance) to metal slip, pulp flow amount control device 12 controls metal slip and extrudes quantitatively with 0 ~ 5g/s, is transported to through slurry pipeline transport pipe 13 main slurry nozzle 21 place that slip 3D prints composite spray jet head 200.
In the present embodiment, pulp flow amount control device 12 has flow control valve, is arranged between slip pressure reservoir case 11 and slurry pipeline transport pipe 13, but is not limited to this, also can be arranged between slurry pipeline transport pipe 13 and composite spray jet head 200, or be arranged on slurry pipeline transport pipe 13.
In the present embodiment, described slip 3D prints composite spray jet head 200 and is made up of stainless steel, and as shown in Figure 3, composite spray jet head center is the main slurry nozzle 21 of tubulose to structure, and main slurry nozzle 21 diameter is 0.5mm; 8 chemical curing agent spray orifices 22 are looped around main slurry nozzle 21 outer ring, and chemical curing agent spray orifice 22 diameter is 0.01mm.Main slurry nozzle 21 is concordant with the end of chemical curing agent spray orifice 22.The size of the material of composite spray jet head 200, the size of main slurry nozzle 21, chemical curing agent spray orifice 22 and number etc. are not limited to this.
Chemical curing agent pressure reservoir and quantitative feeding system 31 comprise chemical curing agent pressure reservoir case, chemical curing agent volume control device and chemical curing agent carrier pipe, and its structure entirety is similar to slip pressure reservoir and quantitative feeding system 100.In the present embodiment, chemical curing agent volume control device has flow control valve, be arranged between described chemical curing agent pressure reservoir case and described chemical curing agent carrier pipe, or be arranged between described chemical curing agent carrier pipe and composite spray jet head 200, or be arranged on described chemical curing agent carrier pipe.
Hot initiating system 32 can be arranged around whole Photocopy Room, and it can be the heaters such as such as resistance wire, is positioned in or beyond Photocopy Room and encloses, but be not limited to this.Or hot initiating system 32 can around the periphery being arranged on slip 3D printing composite spray jet head 200.Meanwhile, outside the main slurry nozzle 21 of slip 3D printing composite spray jet head 200, cooling back installation 321 is arranged with.
The utility model has two kinds of cure systems, the special construction of the described composite spray jet head also namely designed by the utility model and the described chemical curing agent pressure reservoir be simultaneously equipped with and quantitative feeding system 31 and hot initiating system 32, can select chemistry initiation curing mode or heat to cause curing mode as required.
Chemistry initiation curing mode: chemical curing agent (can be initator) is independently sent into chemical curing agent spray orifice 22 by chemical curing agent pressure reservoir and quantitative feeding system 31, when metal slip is spouting from main slurry nozzle 21, chemical curing agent spray orifice 22 around also sprays a certain amount of chemical curing agent, to ensure chemical curing agent and metal slip Homogeneous phase mixing simultaneously.The emitted dose ratio of chemical curing agent and metal slip is determined by metal slurry compositions, and can strictly regulate and control in process of production.
Heat causes curing mode: by the hot initiating system 32 arranged around whole Photocopy Room, whole Photocopy Room is heated to initiation temperature, makes metal slip rapid solidification.When adopting hot initiation method, slip 3D prints the cooling back installation 321 in composite spray jet head 200, ensures that the metal slip that slip 3D prints in composite spray jet head 200 does not solidify.
This equipment also comprises control system, carries out chemistry initiation solidification or select to start described hot initiating system 32 pairs of metal slips carrying out heat and causing and solidify for controlling to select to start described chemical curing agent pressure reservoir and quantitative feeding system 31 pairs of metal slips.
This equipment can be used for 3D and prints metallic element parison, as the titanium alloy turbine of complicated shape, carbide-tipped milling cutter, stainless steel turbo blade and stainless steel art statue etc.This equipment can use metal slip, described metal slip comprises solvent, organic monomer, metal dust, catalyst and dispersant, such as, the metal slip of low viscosity, high solid loading can be used as printing raw material, by adding dispersant or adopt special dispersion means, making metal slip solid concentration higher than 55%, viscosity number is less than 1Pas.By layering cross sectional shape parameter, metal slip is sprayed (heap is moulded) on print platform by 3D printing device shower nozzle, the mode simultaneously caused with chemistry initiation or heat causes the polymerisation of organic monomer in metal slip fast, form tridimensional network metal-powder in-stiu coating is fixed, make metal slip rapid solidification, thus obtaining the parison with certain density and required form, realization metal slip 3D prints the critical process preparing complicated shape metal parts base substrate fast.Use this 3D printing device can prepare complicated shape metal parts parison, also can realize the synchronous subregion of various metals slip and print or layering successively printing, make the composition metal parts parison that multicomponent is multi-level.
Though above-described embodiment and in illustrating to print metallic element parison, be not limited to this, it can also be directly used in the ceramic parison of 3D printing shaping complicated shape.
Every above embodiment is done according to the utility model essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (13)
1. a 3D printing device, is characterized in that, described equipment comprises:
3D printer main body, has Photocopy Room and the print platform being positioned at described Photocopy Room;
Slip pressure reservoir and quantitative feeding system (100), for storing metal slip, and can supply described metal slip under gas pressure;
Slip 3D prints composite spray jet head (200), and it is communicated with quantitative feeding system (100) with described slip pressure reservoir, is ejected on described print platform by the metal slip transported;
Chemical curing agent pressure reservoir and quantitative feeding system (31), itself and described slip 3D print composite spray jet head (200) and are communicated with, for storing chemical curing agent, and described chemical curing agent can be sprayed in described metal slip through described slip 3D printing composite spray jet head (200), the metal slip of ejection is solidified;
Hot initiating system (32), for heating the metal slip of ejection with solidification.
2. 3D printing device according to claim 1, it is characterized in that, described slip 3D prints multiple chemical curing agent spray orifices (22) that composite spray jet head (200) comprises main slurry nozzle (21) and arranges around described main slurry nozzle (21); Described main slurry nozzle (21) is communicated with described slip pressure reservoir and quantitative feeding system (100), and described chemical curing agent spray orifice (22) is communicated with described chemical curing agent pressure reservoir and quantitative feeding system (31).
3. 3D printing device according to claim 2, it is characterized in that, described slip pressure reservoir and quantitative feeding system (100) comprise slip pressure reservoir case (11), pulp flow amount control device (12) and slurry pipeline transport pipe (13); Described slip pressure reservoir case (11) is provided with Pressure gauge (111) and a gases at high pressure inlet tube (112), applies predetermined pressure with the gases at high pressure controlling to introduce to metal slip; Described slurry pipeline transport pipe (13) is connected with the main slurry nozzle (21) of described composite spray jet head (200).
4. 3D printing device according to claim 3, it is characterized in that, described pulp flow amount control device (12) has flow control valve, be arranged between described slip pressure reservoir case (11) and described slurry pipeline transport pipe (13), or be arranged between described slurry pipeline transport pipe (13) and described composite spray jet head (200), or be arranged on described slurry pipeline transport pipe (13).
5. 3D printing device according to claim 2, it is characterized in that, described chemical curing agent pressure reservoir and quantitative feeding system (31) comprise chemical curing agent pressure reservoir case, chemical curing agent volume control device and chemical curing agent carrier pipe; Described chemical curing agent pressure reservoir case is provided with Pressure gauge and gases at high pressure inlet tube, applies predetermined pressure with the gases at high pressure controlling to introduce to chemical curing agent; Described chemical curing agent carrier pipe is connected with the chemical curing agent spray orifice (22) of described composite spray jet head (200).
6. 3D printing device according to claim 5, it is characterized in that, described chemical curing agent volume control device has flow control valve, be arranged between described chemical curing agent pressure reservoir case and described chemical curing agent carrier pipe, or be arranged between described chemical curing agent carrier pipe and described composite spray jet head (200), or be arranged on described chemical curing agent carrier pipe.
7. 3D printing device according to claim 1, it is characterized in that, described hot initiating system (32) is arranged around described Photocopy Room, and the outer of main slurry nozzle (21) that described slip 3D prints composite spray jet head (200) is arranged with cooling back installation (321); Or, described hot initiating system (32) prints the periphery of composite spray jet head (200) around being arranged on described slip 3D, the outer of main slurry nozzle (21) that described slip 3D prints composite spray jet head (200) is arranged with cooling back installation (321).
8. 3D printing device according to any one of claim 1 to 7, it is characterized in that, described equipment comprises multiple described slip pressure reservoir and quantitative feeding system (100), and each described slip pressure reservoir and quantitative feeding system (100) independently store and carry a kind of metal slip.
9. 3D printing device according to any one of claim 1 to 7, it is characterized in that, also comprising control system, carrying out chemistry initiation solidification to metal slip or selecting to start described hot initiating system (32) carrying out heat to metal slip and causing and solidify for controlling to select to start described chemical curing agent pressure reservoir and quantitative feeding system (31).
10. the composite spray jet head of a 3D printing device, described 3D printing device comprises slip pressure reservoir and quantitative feeding system (100) and chemical curing agent pressure reservoir and quantitative feeding system (31), it is characterized in that, described composite spray jet head comprises: main slurry nozzle (21) and the multiple chemical curing agent spray orifices (22) arranged around described main slurry nozzle (21); Described main slurry nozzle (21) is communicated with described slip pressure reservoir and quantitative feeding system (100), and described chemical curing agent spray orifice (22) is communicated with described chemical curing agent pressure reservoir and quantitative feeding system (31).
11. composite spray jet heads according to claim 10, is characterized in that, the outer of described main slurry nozzle (21) is arranged with cooling back installation (321).
12. 1 kinds of 3D printing devices, is characterized in that, described equipment comprises:
3D printer main body, has Photocopy Room and the print platform being positioned at described Photocopy Room;
Slip pressure reservoir and quantitative feeding system (100), for storing metal slip, and can supply described metal slip under gas pressure;
Slip 3D prints composite spray jet head (200), and it is communicated with quantitative feeding system (100) with described slip pressure reservoir, is ejected on described print platform by the metal slip transported;
Chemical curing agent pressure reservoir and quantitative feeding system (31), itself and described slip 3D print composite spray jet head (200) and are communicated with, for storing chemical curing agent, and described chemical curing agent can be sprayed in described metal slip through described slip 3D printing composite spray jet head (200), the metal slip of ejection is solidified.
13. 3D printing devices according to claim 12, it is characterized in that, described slip 3D prints multiple chemical curing agent spray orifices (22) that composite spray jet head (200) comprises main slurry nozzle (21) and arranges around described main slurry nozzle (21); Described main slurry nozzle (21) is communicated with described slip pressure reservoir and quantitative feeding system (100), and described chemical curing agent spray orifice (22) is communicated with described chemical curing agent pressure reservoir and quantitative feeding system (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520619087.0U CN204818064U (en) | 2015-08-17 | 2015-08-17 | 3D printing apparatus and compound shower nozzle thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520619087.0U CN204818064U (en) | 2015-08-17 | 2015-08-17 | 3D printing apparatus and compound shower nozzle thereof |
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| CN204818064U true CN204818064U (en) | 2015-12-02 |
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| CN105057669A (en) * | 2015-08-17 | 2015-11-18 | 王海英 | Three-dimensional printing device and composite spraying head thereof |
| CN105881695A (en) * | 2016-05-26 | 2016-08-24 | 东莞劲胜精密组件股份有限公司 | 3D printing method of zirconium dioxide powder material, 3D printing device with binder injection device and binder injection device used for 3D printing method of zirconium dioxide powder material |
| CN107186856A (en) * | 2017-05-17 | 2017-09-22 | 中国计量大学 | A kind of many shower nozzle ceramics printing extrusion devices |
| CN109226766A (en) * | 2018-08-07 | 2019-01-18 | 北京科技大学 | A kind of device and method that high throughput prepares metal-base composites |
| US10399247B1 (en) | 2018-12-27 | 2019-09-03 | Qatar University | Compound nozzle for cement 3D printer to produce thermally insulated composite cement |
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2015
- 2015-08-17 CN CN201520619087.0U patent/CN204818064U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057669A (en) * | 2015-08-17 | 2015-11-18 | 王海英 | Three-dimensional printing device and composite spraying head thereof |
| CN105057669B (en) * | 2015-08-17 | 2017-05-03 | 王海英 | Three-dimensional printing device and composite spraying head thereof |
| CN105881695A (en) * | 2016-05-26 | 2016-08-24 | 东莞劲胜精密组件股份有限公司 | 3D printing method of zirconium dioxide powder material, 3D printing device with binder injection device and binder injection device used for 3D printing method of zirconium dioxide powder material |
| CN107186856A (en) * | 2017-05-17 | 2017-09-22 | 中国计量大学 | A kind of many shower nozzle ceramics printing extrusion devices |
| CN109226766A (en) * | 2018-08-07 | 2019-01-18 | 北京科技大学 | A kind of device and method that high throughput prepares metal-base composites |
| CN109226766B (en) * | 2018-08-07 | 2020-01-10 | 北京科技大学 | Device and method for preparing metal matrix composite material in high flux |
| US10399247B1 (en) | 2018-12-27 | 2019-09-03 | Qatar University | Compound nozzle for cement 3D printer to produce thermally insulated composite cement |
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Effective date of registration: 20191210 Address after: Room 288, floor 2, main building, cultural innovation building, No. 60, Fenghuang East Road, Hailing District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Jinwu New Material Co., Ltd Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 16 building 3 2 homes Meixin No. 1301 Patentee before: Wang Haiying |