CN107139451A - A kind of efficient process units of 3D printing consumptive material - Google Patents
A kind of efficient process units of 3D printing consumptive material Download PDFInfo
- Publication number
- CN107139451A CN107139451A CN201710445736.3A CN201710445736A CN107139451A CN 107139451 A CN107139451 A CN 107139451A CN 201710445736 A CN201710445736 A CN 201710445736A CN 107139451 A CN107139451 A CN 107139451A
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- pressure control
- temperature control
- consumptive material
- melting
- extruding box
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of efficient process units of 3D printing consumptive material, including melting plant, pressure control temperature control extrusion device, cooling device and material receiving roller, connected between melting plant and pressure control temperature control extrusion device by conveying pipeline, pressure control temperature control extrusion device is connected by being oriented to toughness bar through cooling device with material receiving roller, melting plant includes melting case, melting chamber interior wall is installed with heat-flash plate, and it is provided with through hole on melting box outer wall, guide plate is equipped with below through hole, aggregate bin is provided with the side-lower of guide plate, pressure control temperature control extrusion device includes rigid extruding box, heat-insulation layer and electric hot plate are installed with rigidly extrusion box outer wall, on the inside of rigid extruding box push rod and push pedal are additionally provided with conveying pipeline connectivity part, wedge-shaped extruder head is provided with the rigid extruding box other end, it is simple in construction, production capacity is high, output consumptive material that can be rapidly and efficiently.
Description
Technical field
The present invention relates to 3D printing technique field, specially a kind of efficient process units of 3D printing consumptive material.
Background technology
3D printing is a kind of three-dimensional printing technology emerging at present, mainly by based on mathematical model, directly using
Powdered-metal or plastics etc. as can jointing material, it is wide and come the technology of constructed object by way of successively printing
It is general to be applied to the fields such as manufacture, education, scientific research and building.
In 3D printing, printing consumables is the basis for realizing 3D printing, at present, the printing consumption being most widely used
Material is polylactic acid PLA and ABS etc., it is necessary to take into account the attribute of different materials to be given birth in the production of this kind of printing consumables
Production, therefore production process is more complicated, causes production efficiency low due to production technology, it is difficult to satisfaction increasingly increases
Plus production requirement.It is main to include melting, three parts of extrusion and cooling in the production of 3D consumptive materials, in melt stage, former material
Material there may be the situation that melting does not enter extruding part thoroughly, and due to being not up to Standard melt situation, extrusion effect is poor；Its
Secondary is exactly that effective insulation conveying how is being carried out after melting and extrusion pressure is improved, and being capable of Balance route extrusion
Pressure, the quality of production is improved while improving production efficiency；It is exactly finally, in cooling stage, how to ensure effective cooling, make
Will not the hesitate change of temperature of the consumptive material of finished product, which must be had become, causes contraction fissure or deformation etc. occur.
Such as a kind of technical grade 3D printer consumptive material life for high-accuracy high-efficiency rate that Application No. 201410329708.1 is announced
Equipment is produced, it includes melt extrusion apparatus, cooling device, blow-dry device, caliper, draw-gear, wire storage device and winding
Device, by the mutual cooperation between each device so as to reach the process completely produced.There is perfect production on the whole
Journey and higher production capacity, but structure is more complicated, it is impossible to the actual molten condition of control, in addition it is also necessary to further to improve.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of efficient process units of 3D printing consumptive material, knot
Structure is simple, and production capacity is high, output consumptive material that can be rapidly and efficiently, and by temperature-control pressure-control and prevents external force from influenceing precision high, into
Divide stable system output quality stable, be more not in hollow, bubble etc., the problem of effectively can solving in background technology.
The technical solution adopted for the present invention to solve the technical problems is：A kind of efficient process units of 3D printing consumptive material,
Including melting plant, pressure control temperature control extrusion device, cooling device and material receiving roller, melting plant and pressure control the temperature control extrusion device
Between connected by conveying pipeline, the pressure control temperature control extrusion device is connected by being oriented to toughness bar through cooling device and material receiving roller
Connect；
The melting plant includes melting case, and the melting chamber interior wall is installed with heat-flash plate, and in melting box outer wall
It is provided with below several through holes, the through hole and is equipped with guide plate, aggregate bin is provided with the side-lower of guide plate, it is described
Aggregate bin is in double funnel-forms, and is connected in aggregate bin bottom with conveying pipeline, and the pressure control temperature control extrusion device includes rigidity and squeezed
Outlet, the rigid extruding box is in convex, and is installed with heat-insulation layer in rigidly extrusion box outer wall, in rigid extruding box
Inwall is installed with electric hot plate, and is directly connected in rigid extruding box side with conveying pipeline, on the inside of rigid extruding box with it is defeated
Expects pipe connectivity part is additionally provided with push rod, and the push rod end is also installed with push pedal, in the rigid extruding box other end provided with wedge shape
Extruder head, the wedge-shaped extruder head is located at cooling device and pressure control temperature control extrusion device junction.
As a kind of preferred technical scheme of the present invention, corresponded between the guide plate and through hole, and guide plate
It is distributed using melting case as symmetry axis.
As a kind of preferred technical scheme of the present invention, the quantity of the through hole is aggregated pattern, and single through hole
Internal diameter be not more than 0.05mm.
As a kind of preferred technical scheme of the present invention, the push pedal front end is also installed with flow-disturbing stirring rod.
As a kind of preferred technical scheme of the present invention, pressure release cabin is installed with the top of the rigid extruding box, it is described
It is additionally provided between pressure release cabin and rigid extruding box inside relief valve, the relief valve and is installed with unidirectional pressure control baffle plate, it is described
Unidirectional pressure control baffle plate pressure limiting direction pressure release cabin is pointed to by rigid extruding box.
As a kind of preferred technical scheme of the present invention, the wedge-shaped extruder head is slided by slide bar inside rigid extruding box
Move to adjust the distance between two pieces of wedge-shaped extruder heads.
As a kind of preferred technical scheme of the present invention, the cooling device is made up of two pieces of clapboards being parallel to each other,
And secondary electric hot plate is installed with every piece of clapboard, the secondary electric hot plate is by close to pressure control temperature control extrusion device one
Lateral other side gradually reduces distribution density, and is open structure two pieces of clapboard ends.
As a kind of preferred technical scheme of the present invention, the guiding toughness bar is fixedly mounted on the wedge-shaped extruder head of bottom
On, and toughness bar upper surface and wedge-shaped extruder head upper surface flush are oriented to, it is direct between the guiding toughness bar and material receiving roller
Contact is not connected to, and guiding toughness bar is increased by the diameter of material receiving roller and is uniformly formed slopely arcuate guide knot gradually downward
Structure.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is melting case side by setting melting case
Face adds the through hole and guide plate of cluster shape, and the raw material export melted in flow-like is come, and not up to molten condition
Raw material can not be exported, continue to stay in and receive heating inside melting case until as fluid state, reaching flow-like
Raw material after state will be delivered to pressure control temperature control extrusion device by conveying pipeline, and the electric hot plate for being located at rigidity extrusion chamber interior wall provides dimension
The problem of holding needed for molten condition, and extruded fluid by wedge-shaped extruder head by push rod and the squeezing action of push pedal, and
During this, the distance between two wedge-shaped extruder heads can be adjusted according to actual extrusion width demand full so as to reach
The purpose of sufficient actual demand, and the flow-disturbing stirring rod for being located at push pedal front end can stir the fluid for having stood, and improve and squeeze
Go out the uniformity of composition, and in extrusion process, in order to prevent the change for causing extrusion pressure due to the change of material composition,
Abnormal pressure is discharged by unidirectional pressure control baffle plate to form stable pressure system, and passes through gradient after extrusion molding
Cool to wind consumptive material, consumptive material deformation and contraction caused by the drastically change due to temperature can be prevented, and it is tough by wire
Property bar guide effect, can prevent that the influence due to gravity etc. during discharging from deforming, on the whole due to simple in construction, production
Can be high, output consumptive material that can be rapidly and efficiently, and by temperature-control pressure-control and prevent external force from influenceing precision high, component system is stable
Output quality is stable, is more not in hollow, bubble etc..
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
In figure：1- melting plants；2- pressure control temperature control extrusion devices；3- cooling devices；4- material receiving rollers；5- conveying pipelines；6- is led
To toughness bar；7- melts case；8- heat-flash plates；9- through holes；10- guide plates；11- aggregate bins；12- rigidity extruding box；13- is incubated
Layer；14- electric hot plates；15- push rods；16- push pedals；17- wedge shape extruder heads；18- flow-disturbing stirring rod；19- pressure releases cabin；20- relief valves；
The unidirectional pressure control baffle plates of 21-；22- slide bars；23- clapboards；24- level electric hot plate.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment：
As shown in figure 1, the invention provides a kind of efficient process units of 3D printing consumptive material, including melting plant 1, pressure control
Pass through conveying between temperature control extrusion device 2, cooling device 3 and material receiving roller 4, melting plant 1 and pressure control the temperature control extrusion device 2
Pipe 5 is connected, and the pressure control temperature control extrusion device 2 is connected by being oriented to toughness bar 6 through cooling device 3 with material receiving roller 4；
The melting plant 1 includes melting case 7, and the melting inwall of case 7 is installed with heat-flash plate 8, and in melting case 7
Outer wall is provided with several through holes 9, and the quantity of the through hole 9 is aggregated pattern, and the internal diameter of single through hole 9 is not more than
0.05mm, prevents from being not reaching to the raw material of the fluid state of melting to enter conveying pipeline and enter in extrusion device, under the through hole 9
Side is equipped with guide plate 10, is corresponded between the guide plate 10 and through hole 9, and guide plate 10 is symmetrical to melt case 7
Axle is distributed, and the raw material for having reached molten condition can be oriented into conveying pipeline 5, aggregate bin is provided with the side-lower of guide plate 10
11, the aggregate bin 11 is in double funnel-forms, and is connected in the bottom of aggregate bin 11 with conveying pipeline 5, the pressure control temperature control extrusion dress
Putting 2 includes rigid extruding box 12, and the rigid extruding box 12 is in convex, and is installed with the rigid outer wall of extruding box 12
Heat-insulation layer 13, electric hot plate 14 is installed with the rigid inwall of extruding box 12, and in the rigid side of extruding box 12 directly and conveying
Pipe 5 is connected, and is additionally provided with push rod 15, the also fixed peace in the end of push rod 15 with the connectivity part of conveying pipeline 5 in the rigid inner side of extruding box 12
Equipped with push pedal 16, the front end of push pedal 16 is also installed with flow-disturbing stirring rod 18, and disturbance has stood the raw material got off, improves
The homogenieity of raw material, wedge-shaped extruder head 17 is provided with the rigid other end of extruding box 12, and the wedge-shaped extruder head 17 passes through slide bar 22
The distance between two pieces of wedge-shaped extruder heads 17 is adjusted in the rigid internal slide of extruding box 12, it is wide for the extrusion that adjusts actual
Degree, meets different demands, the wedge-shaped extruder head 17 is located at cooling device 3 and the junction of pressure control temperature control extrusion device 2.
Preferably, the top of rigid extruding box 12 is installed with pressure release cabin 19, and the pressure release cabin 19 and rigidity are squeezed
It is additionally provided between outlet 12 inside relief valve 20, the relief valve 20 and is installed with unidirectional pressure control baffle plate 21, the unidirectional control
Pressure release cabin 19 is pointed in the pressure pressure limiting direction of baffle plate 21 by rigid extruding box 12, carries out unidirectional pressure release, after pressure release is completed can and
When by fluid be transmitted back to come.
It may further be preferable that the cooling device 3 is made up of two pieces of clapboards being parallel to each other 23, and in every piece of wedge shape
Secondary electric hot plate 24 is installed with plate 23, the secondary electric hot plate 24 is by lateral close to pressure control temperature control extrusion device 2 one
Other side gradually reduces distribution density, and is open structure two pieces of ends of clapboard 23, and the cooling for forming gradient type is led to
Road, step by step cooling down.
Particularly, the guiding toughness bar 6 is fixedly mounted on the wedge-shaped extruder head 17 of bottom, and is oriented on toughness bar 6
Surface and the wedge-shaped upper surface flush of extruder head 17, are directly to contact to be not connected between the guiding toughness bar 6 and material receiving roller 4, and
It is oriented to toughness bar 6 by the diameter of material receiving roller 4 to increase and be uniformly formed slopely arcuate guide structure gradually downward, prevents from
Influence during material due to gravity etc. is deformed, and different guiding radians can be adapted to according to different winding radius.
It is other, in the present invention, in addition it is also necessary to which what is further illustrated is：During the push rod is a circulation, tool
For body, push rod is a cyclic process in the form of piston in actual work, because in the present invention, the stroke of push rod is small,
In actual cyclic process in the form of piston, the single cycle cycle is short, is less than 2s, and this cycle is in high temperature extrusion
Extrusion effect is not interfered with, therefore overcomes the complex control system commonly extruded and other complementary structures, letter
Change the production process of reality, in the present invention, the actual driving force of push rod is provided by motor, and in the technical program
In, clearly provide motor, this is due to that the driving of motor is a universal technological means, only need by
Push rod is external.
The main characteristic of the invention lies in that, the present invention adds cluster shape by setting melting case, and in melting case side
Through hole and guide plate, will melt and come in the raw material export of flow-like, and the raw material of not up to molten condition can not
It is exported and, continues to stay in receiving heating inside melting case until as fluid state, the raw material after fluid state is reached will
Pressure control temperature control extrusion device is delivered to by conveying pipeline, the electric hot plate for being located at rigidity extrusion chamber interior wall provides maintenance molten condition institute
The problem of needing, and extruded fluid by wedge-shaped extruder head by push rod and the squeezing action of push pedal, and in this process, can
To adjust the distance between two wedge-shaped extruder heads according to actual extrusion width demand actual demand is met so as to reach
Purpose, and the flow-disturbing stirring rod for being located at push pedal front end can stir the fluid for having stood, and improve the uniform of extrusion composition
Property, and in extrusion process, in order to prevent the change for causing extrusion pressure due to the change of material composition, pass through unidirectional pressure control
Baffle plate discharges abnormal pressure to form stable pressure system, and winds consumption by gradient cooling after extrusion molding
Material, can prevent consumptive material deformation and contraction caused by the drastically change due to temperature, and pass through the guiding work of wire toughness bar
With, it can prevent the influence due to gravity etc. during discharging from deforming, can be fast on the whole due to simple in construction, production capacity height
Fast efficient output consumptive material, and by temperature-control pressure-control and prevent external force from influenceing precision high, the stable output quality of component system is steady
It is fixed, be more not in hollow, bubble etc..
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Claims (8)
1. a kind of efficient process units of 3D printing consumptive material, it is characterised in that：Including melting plant (1), pressure control temperature control extrusion dress
(2), cooling device (3) and material receiving roller (4) are put, conveying is passed through between the melting plant (1) and pressure control temperature control extrusion device (2)
(5) connection is managed, the pressure control temperature control extrusion device (2) is by being oriented to toughness bar (6) through cooling device (3) and material receiving roller (4)
Connection；
The melting plant (1) includes melting case (7), and described melting case (7) inwall is installed with heat-flash plate (8), and molten
Melt case (7) outer wall provided with several through holes (9), through hole (9) lower section is equipped with guide plate (10), in guide plate
(10) side-lower is provided with aggregate bin (11), and the aggregate bin (11) is in double funnel-forms, and aggregate bin (11) bottom with it is defeated
Expects pipe (5) is connected, and the pressure control temperature control extrusion device (2) includes rigid extruding box (12), and the rigid extruding box (12) is in convex
Font, and heat-insulation layer (13) is installed with rigid extruding box (12) outer wall, fix and pacify in rigid extruding box (12) inwall
Directly it is connected equipped with electric hot plate (14), and in rigid extruding box (12) side with conveying pipeline (5), on the inside of rigid extruding box (12)
Push rod (15) is additionally provided with conveying pipeline (5) connectivity part, push rod (15) end is also installed with push pedal (16), rigidly squeezed
Outlet (12) other end is provided with wedge-shaped extruder head (17), and the wedge-shaped extruder head (17) is located at cooling device (3) and pressure control temperature control
Extrusion device (2) junction.
2. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The guide plate
(10) corresponded between through hole (9), and guide plate (10) is distributed with melting case (7) for symmetry axis.
3. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The through hole
(9) quantity is aggregated pattern, and the internal diameter of single through hole (9) is not more than 0.05mm.
4. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The push pedal (16)
Front end is also installed with flow-disturbing stirring rod (18).
5. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The rigidity extrusion
Pressure release cabin (19) is installed with the top of case (12), relief valve is additionally provided between the pressure release cabin (19) and rigid extruding box (12)
(20) unidirectional pressure control baffle plate (21), unidirectional pressure control baffle plate (21) the pressure limiting side, are installed with inside the relief valve (20)
Pressure release cabin (19) are pointed to by rigid extruding box (12).
6. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The wedge shape extrusion
Head (17) adjusts the distance between two pieces of wedge-shaped extruder heads (17) by slide bar (22) in rigid extruding box (12) internal slide.
7. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The cooling device
(3) it is made up of two pieces of clapboards being parallel to each other (23), and secondary electric hot plate is installed with every piece of clapboard (23)
(24), the secondary electric hot plate (24) is close by gradually reducing distribution close to the lateral other side of pressure control temperature control extrusion device (2) one
Degree, and be open structure two pieces of clapboard (23) ends.
8. a kind of efficient process units of 3D printing consumptive material according to claim 1, it is characterised in that：The guiding toughness
Bar (6) is fixedly mounted on the wedge-shaped extruder head (17) of bottom, and is oriented on toughness bar (6) upper surface and wedge-shaped extruder head (17)
Surface is flushed, and is directly to contact to be not connected between the guiding toughness bar (6) and material receiving roller (4), and guiding toughness bar (6) passes through
The diameter of material receiving roller (4) increases and is uniformly formed slopely arcuate guide structure gradually downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710445736.3A CN107139451B (en) | 2017-06-14 | 2017-06-14 | A kind of efficient process units of 3D printing consumptive material |
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|---|---|---|---|
| CN201710445736.3A CN107139451B (en) | 2017-06-14 | 2017-06-14 | A kind of efficient process units of 3D printing consumptive material |
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| CN107139451A true CN107139451A (en) | 2017-09-08 |
| CN107139451B CN107139451B (en) | 2019-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454484A (en) * | 2022-01-26 | 2022-05-10 | 台州新森增材制造有限公司 | Consumable support for 3D printing and installation method thereof |
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| CN107139451B (en) | 2019-09-10 |
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Address after: 241000 Chungu 3D Printing Industrial Park, Economic Development Zone, Fanchang District, Wuhu City, Anhui Province Patentee after: Anhui Sanlu Technology Co.,Ltd. Address before: 241000 Spring Valley 3D Printing Industrial Park, Fanchang County Economic Development Zone, Wuhu City, Anhui Province Patentee before: Anhui Sanlu Industrial Co.,Ltd. |
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