CN105773974A - Plastic 3D printing equipment - Google Patents
Plastic 3D printing equipment Download PDFInfo
- Publication number
- CN105773974A CN105773974A CN201610248106.2A CN201610248106A CN105773974A CN 105773974 A CN105773974 A CN 105773974A CN 201610248106 A CN201610248106 A CN 201610248106A CN 105773974 A CN105773974 A CN 105773974A
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- plastics
- micropore
- feeding mechanism
- plastic
- inorganic agent
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- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses plastic 3D printing equipment. The plastic 3D printing equipment comprises a plastic supply device, a hot nozzle connected with the plastic supply device and a receiving base located below the hot nozzle; the plastic supply device is controlled by a control system to supply plastic to the hot nozzle, when the plastic passes through the hot nozzle, the plastic is heated to be in a molten state to be sprayed out and deposit on the receiving base, and the equipment further comprises a treatment agent supply device and a microhole spraying head connected with the treatment agent supply device; the treatment agent supply device is controlled by the control system to supply a treatment agent capable of corroding or dissolving plastic to the microhole spraying head, and the treatment agent is sprayed to the plastic depositing on the receiving base through the microhole spraying head and acts on the deposited plastic so as to form micro holes in the surface of the plastic; and the equipment is used for carrying out plastic 3D printing, and the interlayer bonding force of a 3D printing component can be obviously improved.
Description
Technical field
The present invention relates to a kind of plastics 3D printing device.
Background technology
Melt extruding molding (FDM) is a kind of modal technology for preparing plastics 3D parts.Its material used is usually thread thermoplastic, such as PLA, ABS, PC, nylon etc..First, heated fusing when filamentary material is by shower nozzle.Shower nozzle is according to the cross section profile of part three-dimensional map file and fills orbiting motion, extrudes the material of fusing simultaneously, and the material of material and surrounding bonds and solidifies, and then carries out the deposition of other a layer on cured material again.The parts of three-dimensional are ultimately formed in the way of this successively superposition.This technique does not use laser, safeguards simple, and cost is low, is used for the less demanding modelling of precision and physicochemical characteristics and manufacture.Desktop type 3D printer this technique of many employings most in the market.
The outstanding feature melt extruding molding (FDM) technique is exactly that material is formed by successively superposition, bond strength between layers is not high, causing that the impact resistance of parts is bad, this is also limit its main cause as structural member application.
Summary of the invention
Present invention is primarily targeted at and overcome the deficiencies in the prior art, it is provided that a kind of plastics 3D printing device, make the three-dimensional part printed relatively under there is higher inter-layer bonding force, improve its impact strength.
For achieving the above object, the present invention is by the following technical solutions:
A kind of plastics 3D printing device, including plastics feeding mechanism, connect the hot nozzle of described plastics feeding mechanism and be positioned at the reception substrate below described hot nozzle, described plastics feeding mechanism is controlled to supply plastics to described hot nozzle by controlling system, it is heated to molten condition when described plastics are by hot nozzle spray and deposit in described reception substrate, also include inorganic agent feeding mechanism and connect the micropore shower nozzle of described inorganic agent feeding mechanism, described inorganic agent feeding mechanism to described micropore shower nozzle supply by controlling system control can be corroded or dissolve the inorganic agent of described plastics, described inorganic agent is ejected in described reception substrate on the plastics of deposition by described micropore shower nozzle, and act on the plastics of described deposition and form micropore on its surface.
Further:
Also including motion control device, described hot nozzle is installed on described motion control device.
Described hot nozzle and described micropore jet are first with being fixed on described motion control device, realize synchronizing X, Y, Z-direction motion by described motion control device, and wherein X, Y-direction define horizontal plane, Z-direction definition vertical direction.
Described inorganic agent feeding mechanism includes liquid container and propulsion plant, described liquid container and propulsion plant and connects described micropore shower nozzle by conduit.
Described plastics feeding mechanism includes filamentary material to be fixed and conveyer device, and described filamentary material is fixed and conveyer device is for fixing in thread plastics and it being carried to described hot nozzle.
Also including bracing frame and pedestal, described plastics feeding mechanism and described inorganic agent feeding mechanism and be arranged on support frame as described above, support frame as described above and described reception substrate are fixed on described pedestal.
The material of described micropore shower nozzle is rustless steel.
The diameter of the micropore of described micropore shower nozzle is more than 100 microns.
Described control system is computer.
Position and the time of described hot nozzle injection plastics and described micropore shower nozzle injection inorganic agent are controlled by described control system, thus pressing predetermined way alternating spray deposition material and inorganic agent.
Beneficial effects of the present invention:
According to the 3D printing device that the present invention proposes, when plastic wire material is by hot nozzle, it is heated to molten condition and is deposited in reception substrate, form a layer pattern, then controlled to spray liquid inorganic agent to the material deposited by micropore shower nozzle by control system, dissolve at material surface or erode away micropore, on this layer material, then carrying out the deposition of one or more layers molten condition plastics again, carry out ejection of solvent afterwards again.Least one layer of surface in plane SH wave material can be formed with micropore, and the layer deposition material with the top of the layer of micropore is deposited enters among micropore, add the contact area between materials at two layers, more firmly combining thus solidifying to be subsequently formed, improving the inter-layer bonding force of 3D print member.With traditional melt extrude shaped article compared with, the present invention can be obviously enhanced the adhesion between the 3D marking material layer of 3D printed product especially large-size parts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plastics 3D printing device of the embodiment of the present invention；
Fig. 2 is the plastic product schematic diagram adopting the plastics 3D printing device shown in Fig. 1 to manufacture；
Fig. 3 is the Section A-A figure of the product shown in Fig. 2.
Detailed description of the invention
Hereinafter embodiments of the present invention are elaborated.It is emphasized that the description below is merely exemplary, rather than in order to limit the scope of the present invention and application thereof.
nullConsult Fig. 1，In one embodiment，A kind of plastics 3D printing device，Including plastics feeding mechanism、Connect the hot nozzle 101 of described plastics feeding mechanism and be positioned at the reception substrate 110 below described hot nozzle 101，Described plastics feeding mechanism is controlled to supply plastics to described hot nozzle 101 by controlling system，It is heated to molten condition when described plastics are by hot nozzle 101 spray and deposit in described reception substrate 110，Also include inorganic agent feeding mechanism and connect the micropore shower nozzle 102 of described inorganic agent feeding mechanism，Described inorganic agent feeding mechanism is controlled to described micropore shower nozzle 102 for the inorganic agent that should be able to corrode or dissolve described plastics by controlling system，Described inorganic agent is ejected in described reception substrate 110 on the plastics of deposition by described micropore shower nozzle 102，And act on the plastics of described deposition and form micropore on its surface.
In a preferred embodiment, plastics 3D printing device also includes motion control device 103, and described hot nozzle 101 is installed on described motion control device 103.
In a more preferred embodiment, described hot nozzle 101 is together fixed on described motion control device 103 with described micropore shower nozzle 102, realizing synchronizing X, Y, Z-direction motion by described motion control device 103, wherein X, Y-direction define horizontal plane, Z-direction definition vertical direction.
In a preferred embodiment, described inorganic agent feeding mechanism includes liquid container and propulsion plant 106, described liquid container and propulsion plant 106 and connects described micropore shower nozzle 102 by conduit.Inorganic agent in liquid container such as plastic solvent by conduit, ejects via micropore shower nozzle 102 under propulsion plant effect, is ejected into and receives on the material deposited in substrate 110.
In a preferred embodiment, described plastics feeding mechanism includes filamentary material to be fixed and conveyer device 105, and described filamentary material is fixed and conveyer device 105 is for fixing in thread plastics and it being carried to described hot nozzle 101.
In a preferred embodiment, plastics 3D printing device also includes bracing frame 104 and pedestal 109, described plastics feeding mechanism and described inorganic agent feeding mechanism are arranged on support frame as described above 104, and support frame as described above 104 and described reception substrate 110 are fixed on described pedestal 109.
The material of described micropore shower nozzle 102 is preferably rustless steel.
The diameter of the micropore of described micropore shower nozzle 102 is preferably in more than 100 microns.
Described control system can be computer 111.
In a preferred embodiment, described hot nozzle 101 sprays plastics and described micropore shower nozzle 102 sprays the position of inorganic agent and the time is controlled by described control system, thus pressing predetermined way alternating spray deposition material and inorganic agent.
As shown in Figure 1, in a kind of specific embodiment, a kind of plastics 3D printing device, including hot nozzle 101, micropore shower nozzle 102, motion control device 103, liquid container and propulsion plant 106, conduit 107, bracing frame 104, filamentary material fixes and conveyer device 105, computer 111, reception substrate 110, pedestal 109.Described hot nozzle 101 fixes with filamentary material and conveyer device 105 is connected, it is heated to molten condition when thread plastics 108 are by hot nozzle and deposits in reception substrate 110, described liquid container and propulsion plant 106 are connected with described micropore shower nozzle 102 by conduit 107, and the liquid solvent in container can be injected on the material receiving substrate and deposition by micropore shower nozzle.Described hot nozzle is connected with motion control device 103 with micropore shower nozzle.Described liquid container and propulsion plant 106, filamentary material fixes and conveyer device 105, motion control device 103 are arranged on bracing frame 104, described reception substrate 110 is positioned at hot nozzle and the lower section of micropore shower nozzle, and described computer 111, bracing frame 104, reception substrate 110 are fixed on pedestal 109.
Use this 3D printing device that the material surface of deposition can be made to obtain micropore by ejection of solvent, connected by micropore between material and improve contact area, thus the adhesion improved between layer by layer.
Fig. 2 show the schematic diagram of the three-dimensional plastic product utilizing the said equipment to prepare.Fig. 3 show the A-A profile of three-dimensional plastic product.Wherein 112 is the deposition material of laminated plastics material, least one layer of surface in plane SH wave material is formed micropore 113,114, and the layer deposition material with the top of the layer of micropore is deposited enters among described micropore 113,114, thus having generation compact siro spinning technology between the deposition material of the layer of micropore and layer deposition material.
In a preferred embodiment, the diameter of described micropore is more than 100 microns.
In a preferred embodiment, the gross area of the micropore every layer of deposition material eroded away deposits the 50% of material area less than every layer.
In a preferred embodiment, between the adjacent surface with micropore, the thickness of the deposition material at interval is more than 1 millimeter.It is preferred that the thickness of the deposition material at interval is 1 millimeter or 1.5 millimeters between the adjacent surface with micropore.
Described plastics can be polylactic acid, ABS, Merlon, polyvinyl alcohol, polystyrene or nylon.
As in figure 2 it is shown, plastics 3D printed product is such as circle shape part, it is also possible to be the three-dimensional part of other arbitrary shapes.Arrow D represents the stacked direction of deposition material.In Fig. 3,112 represent deposition material, and 113 represent the micropore formed after deposition material surface is disposed by inorganic agent, and 114 represent the micropore filled by deposition material.
First the plastics of molten condition, are deposited to and form a layer cross section profile in substrate by the method adopting the plastics 3D printing device of the present invention to carry out 3D printing.The plastics used can be polylactic acid, ABS, Merlon, polyvinyl alcohol, polystyrene, nylon etc..Then, by the droplet ejection of solvent to deposited good material surface, micropore is eroded away.The solvent used includes ethanol, dimethylformamide, dimethyl sulfoxide, acetone, oxolane, ether, dichloromethane, carbon tetrachloride etc..The diameter of the micropore eroded away is more than 100 microns.The area of micropore deposits the 50% of material area less than every layer.Carrying out the deposition of new layer of material afterwards on this layer material again, the material of ot-yet-hardened enters among the micropore of lower floor, produces compact siro spinning technology, thus improving the adhesion of interlayer after solidification and between subsurface material.Then on the material of new deposition, carrying out ejection of solvent again, erode away micropore, and continue the deposition of new layer of material, being layering in this way, thus obtaining the three-dimensional part that inter-layer bonding force improves.
Especially, difference according to lift height, when the thickness of the every layer material deposited is when micron dimension, affecting bulk strength to not destroy the overall structure of material, first layer by layer deposition makes material carry out the injection of solvent microdroplet when making total thickness reach more than 1 millimeter again.Deposit the material of same thickness afterwards, then carry out droplet ejection, constitute the parts of three-dimensional in this way.When the thickness of the every layer material deposited is when millimeter and above magnitude, adopt the mode shaped three dimensional parts of layer by layer deposition material, successively ejection of solvent.With traditional melt extrude forming method compared with, adopt the equipment making three-dimensional part of the present invention, it is possible to increase the adhesion between material layer, it is adaptable to the 3D of multiple plastics prints, workable, the 3D being especially suitable for large-size parts prints.
Example 1:
The equipment proposed according to the present invention and method, the 3D printing device melt extruding molding is utilized to manufacture the batten of polylactic acid, test 3D according to the method for GB/T1843-2008 by Chalpy impact experimental machine and print the impact strength of polylactic acid batten, melt extrude the batten that molding (not ejection of solvent) makes contrast with traditional.
Preparation parameter: the rectangular specimens of preparation is of a size of 80*10*4 millimeter.Lift height 50 microns, carries out the injection of solvent microdroplet every time when depositing the material of 1.5 millimeters thick.Solvent is dimethylformamide, and the micro-pore diameter of corrosion is between 200-500 micron.The micropore gross area that each jet etching goes out is the 40% of every layer material gross area.Alongst successively superposition, produces rectangular batten 5 as one group.The method being machined into mills out V-notch, notch depth 2 millimeters.Utilize Chalpy impact experimental machine to carry out impact strength test, average.Additionally adopt and common melt extrude molding and make 5 battens of same size according to the method described above and test.The batten that the batten impact strength of the equipment making of present invention proposition makes relative to traditional method is adopted to improve 9%.
Example 2:
Adopt said method, make batten the test comparison of polyvinyl alcohol.Lift height 40 microns, carries out the injection of solvent microdroplet every time when depositing the material of 1 millimeters thick.Solvent is dimethyl sulfoxide, and micro-pore diameter is between 100-300 micron.The size of batten, shape, molding mode and embodiment 1 are identical.The batten that the batten impact strength of the equipment making of present invention proposition makes relative to traditional method is adopted to improve 7%.
Above content is to combine concrete/preferred embodiment further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; these embodiments having described that can also be made some replacements or modification by it, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a plastics 3D printing device, including plastics feeding mechanism, connect the hot nozzle of described plastics feeding mechanism and be positioned at the reception substrate below described hot nozzle, described plastics feeding mechanism is controlled to supply plastics to described hot nozzle by controlling system, it is heated to molten condition when described plastics are by hot nozzle spray and deposit in described reception substrate, it is characterized in that, also include inorganic agent feeding mechanism and connect the micropore shower nozzle of described inorganic agent feeding mechanism, described inorganic agent feeding mechanism to described micropore shower nozzle supply by controlling system control can be corroded or dissolve the inorganic agent of described plastics, described inorganic agent is ejected in described reception substrate on the plastics of deposition by described micropore shower nozzle, and act on the plastics of described deposition and form micropore on its surface.
2. plastics 3D printing device as claimed in claim 1, it is characterised in that also including motion control device, described hot nozzle is installed on described motion control device.
3. plastics 3D printing device as claimed in claim 2, it is characterized in that, described hot nozzle is first with described micropore jet with being fixed on described motion control device, realize synchronizing X, Y, Z-direction motion by described motion control device, wherein X, Y-direction define horizontal plane, Z-direction definition vertical direction.
4. the plastics 3D printing device as described in any one of claims 1 to 3, it is characterised in that described inorganic agent feeding mechanism includes liquid container and propulsion plant, described liquid container and propulsion plant and connects described micropore shower nozzle by conduit.
5. the plastics 3D printing device as described in any one of claims 1 to 3, it is characterized in that, described plastics feeding mechanism includes filamentary material to be fixed and conveyer device, and described filamentary material is fixed and conveyer device is for fixing in thread plastics and it being carried to described hot nozzle.
6. the plastics 3D printing device as described in any one of claims 1 to 3, it is characterized in that, also including bracing frame and pedestal, described plastics feeding mechanism and described inorganic agent feeding mechanism and be arranged on support frame as described above, support frame as described above and described reception substrate are fixed on described pedestal.
7. the plastics 3D printing device as described in any one of claims 1 to 3, it is characterised in that the material of described micropore shower nozzle is rustless steel.
8. the plastics 3D printing device as described in any one of claims 1 to 3, it is characterised in that the diameter of the micropore of described micropore shower nozzle is more than 100 microns.
9. the plastics 3D printing device as described in any one of claim 1 to 8, it is characterised in that described control system is computer.
10. the plastics 3D printing device as described in any one of claim 1 to 9, it is characterized in that, position and the time of described hot nozzle injection plastics and described micropore shower nozzle injection inorganic agent are controlled by described control system, thus pressing predetermined way alternating spray deposition material and inorganic agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610248106.2A CN105773974B (en) | 2016-04-20 | 2016-04-20 | A kind of plastics 3D printing equipment |
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| CN201610248106.2A CN105773974B (en) | 2016-04-20 | 2016-04-20 | A kind of plastics 3D printing equipment |
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| CN105773974A true CN105773974A (en) | 2016-07-20 |
| CN105773974B CN105773974B (en) | 2018-11-02 |
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Cited By (5)
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| CN107009613A (en) * | 2017-04-01 | 2017-08-04 | 中国科学院宁波材料技术与工程研究所 | A kind of fabricating method of microlens array based on three-dimensional direct write |
| CN107599415A (en) * | 2017-09-30 | 2018-01-19 | 成都纺织高等专科学校 | A kind of 3D printing takes base air pressure support device |
| CN107696472A (en) * | 2017-09-30 | 2018-02-16 | 成都纺织高等专科学校 | A kind of clothes 3D printing production system and method |
| KR20180025124A (en) * | 2016-08-29 | 2018-03-08 | 에스브이에스 주식회사 | 3D printer with surface treatment function and 3D printing method with the same |
| CN108162066A (en) * | 2017-12-28 | 2018-06-15 | 安徽力普拉斯电源技术有限公司 | A kind of accumulator perforating device and its drilling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20180025124A (en) * | 2016-08-29 | 2018-03-08 | 에스브이에스 주식회사 | 3D printer with surface treatment function and 3D printing method with the same |
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| CN107696472A (en) * | 2017-09-30 | 2018-02-16 | 成都纺织高等专科学校 | A kind of clothes 3D printing production system and method |
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Effective date of registration: 20210201 Address after: 644000 Hengxu science and Technology Industrial Park, west section of Gangyuan Road, Lingang Economic Development Zone, Yibin City, Sichuan Province Patentee after: Yibin Chuangshi Machinery Co.,Ltd. Address before: 523843 upper corner management area of Changan Town, Dongguan, Guangdong Patentee before: GUANGDONG JANUS INTELLIGENT GROUP Corp.,Ltd. |
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