CN105834430B - 3d printing device - Google Patents
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- CN105834430B CN105834430B CN201510015490.7A CN201510015490A CN105834430B CN 105834430 B CN105834430 B CN 105834430B CN 201510015490 A CN201510015490 A CN 201510015490A CN 105834430 B CN105834430 B CN 105834430B
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Abstract
The present invention provides a kind of 3D printing device, including shell, the crucible being arranged in shell, it is fixed on the cover plate of cover top portion and sealed crucible, the liquid transporting apparatus and pressure-feeding apparatus connected with crucible, the outer nozzle of outer casing bottom is fixed on, controls the first temperature control equipment of fluid temperature in crucible, and industry control device；Also include being arranged in outer nozzle close to second thermocouple and secondary heater in exit, and the second temperature controller electrically connected with the second thermocouple and secondary heater；Sliding block, sliding block and the first motor connection are additionally provided with outer nozzle, outlet can be opened or closed under the drive of the first motor, the first motor electrically connects with industry control device.It makes concentration liquid stream be in the condition of high temperature using heater heating, avoids liquid cooling frozen plug jet expansion, liquid stream in air film passage constraint set, avoids it from being contacted with nozzle, further prevents spray nozzle clogging.
Description
Technical field
The present invention relates to increases material manufacturing technology field, more particularly to a kind of 3D printing device.
Background technology
3D (Three-dimensional, three-dimensional) printing, also known as increasing material manufacturing, by the way that threedimensional model is discrete for two dimension
Section, part is prepared using the method successively accumulated, without using mould, and overcome the limitation of traditional diamond-making technique, can make
Produce baroque part.Especially for for the extensive titanium alloy of aerospace applications, high temperature alloy, using increasing material
The method of manufacture can produce the structure optimization part that traditional diamond-making technique can not be prepared, and not only mitigate overall weight, lifting effect
Rate, it is more conducive to save the important strategic resource of country.
At present, increasing material manufacturing is mainly using the side of the high energy heat source sinterings such as laser, electron beam, ultraviolet light or cladding forming
Method.The method of sintering can obtain that precision is higher, baroque part；The method of cladding forming, which can obtain large scale, to be had
The part of certain structure complexity, and the mechanical property of metal parts is close to forging standard.But such method exists to material
Larger limitation, it is desirable to which metal or toner must be the spherical powders of certain size scope, and the price of dusty material is to pass
As many as several times of system material price, make it that manufacturing cost is very high plus the expensive for obtaining high energy thermal source.Further, since using
The method of point-by-point accumulation molding, the shaping efficiency of this method are relatively low.
To break through material limitation, the method being molded after directly raw material are melted mainly has spray deposition technique with melting
Drip spraying technique.But it is fairly simple that spray deposition technique can be obtained part shape；Molten drop nozzle be present in molten drop spraying technique
Shortcoming more rambunctious, and the part memory prepared is not high in a small amount of hole, mechanical property.For fusing point is higher or easy solidification
Solution for, the shortcomings that nozzle easily blocks be present in such method.
The content of the invention
The problem of solution that for high-melting-point or easily solidifies easy plug nozzle, it is necessary to which providing one kind can effectively avoid blocking up
Nozzle is filled in, and increasing material manufacturing efficiency high, does not have conditional 3D printing device to material shape.
To reach goal of the invention, the present invention provides a kind of 3D printing device, including shell, the earthenware being arranged in the shell
Crucible, it is fixed on the cover top portion and seals the cover plate of the crucible, the liquid transporting apparatus connected with the crucible and pressure
Conveying device, the outer nozzle of the outer casing bottom is fixed on, controls the first temperature control equipment of fluid temperature in the crucible,
And industry control device；
Also include the second temperature control device for controlling the outer nozzle temperature, the second temperature control device includes setting
Put close to second thermocouple and secondary heater in exit in the outer nozzle, and with second thermocouple and described
The second temperature controller of secondary heater electrical connection；
Sliding block, the sliding block and the first motor connection are additionally provided with the outer nozzle, can be in first motor
The outlet of the outer nozzle is opened or closed under drive, and first motor electrically connects with the industry control device.
As a kind of embodiment, air admission hole is provided with the shell, the first gas is provided with the inwall of the shell
Body transfer passage, the first gas transfer passage connect with the air admission hole；
The crucible bottom is provided with inner nozzle, between the outer wall of the inner nozzle and the inwall of the outer nozzle formed with
Second gas transfer passage；
The first gas transfer passage connects with the second gas transfer passage forms air film passage.
As a kind of embodiment, first temperature control equipment includes the first thermocouple, primary heater and first
Temperature controller；
First thermocouple is arranged between the crucible and the outer nozzle, and the primary heater is arranged on described
Between shell and the crucible, first temperature controller electrically connects with first thermocouple and the primary heater.
As a kind of embodiment, the primary heater surround to enclose and is located at around the crucible, and is fixedly installed on institute
State on cover plate.
As a kind of embodiment, in addition to retracting device；
The retracting device includes being arranged on accumulator tank, the second motor of the control accumulator tank below the outer nozzle
With the connecting rod for connecting the accumulator tank and second motor；
Second motor electrically connects with the industry control device.
As a kind of embodiment, the industry control device includes workbench and industrial computer；
The workbench is arranged on the lower section of the outer nozzle, is connected with the industrial computer；
The industrial computer electrically connects with first motor and second motor.
As a kind of embodiment, the liquid transporting apparatus includes melting furnace, refining furnace, liquid delivery tube and valve；
Described liquid delivery tube one end connects through the cover plate with the crucible, and the other end connects with the refining furnace,
The refining furnace is connected with the melting furnace, and the valve is arranged on be connected with the refining furnace the one of the liquid delivery tube
On end.
As a kind of embodiment, the pressure-feeding apparatus includes penstock and control pressurer system；
The penstock is arranged on the cover plate and connected with the crucible, the control pressurer system with it is described
Penstock connects.
As a kind of embodiment, the middle part of the sliding block is provided with circular through hole.
As a kind of embodiment, in addition to it is arranged on the first liquid level sensor of the crucible bottom and is arranged on described
Second liquid level sensor on crucible top.
Beneficial effects of the present invention include：
The 3D printing device of the present invention, the second thermocouple and secondary heater are arranged in outer nozzle close to exit, the
Temperature at two thermocouple measurement nozzle outlets, and give temperature feedback to second temperature controller, second temperature control instrument control
The break-make of secondary heater processed realizes the heated at constant temperature of outer nozzle so that outer nozzle is maintained at the condition of high temperature, avoids liquid cooling
The outlet of frozen plug outer nozzle.And it uses the method successively accumulated, increasing material manufacturing shaping efficiency height.In the inwall of shell
Second gas transfer passage connection between the inwall of the outer wall and outer nozzle of first gas transfer passage and inner nozzle forms gas
Membrane channels, liquid stream in the gas constraint set in air film passage, avoid concentrating liquid stream to contact with nozzle, further functioning as prevents nozzle
The effect of blocking.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the 3D printing device of the present invention；
Fig. 2 is the structural representation of another embodiment of the 3D printing device of the present invention；
Fig. 3 is the structural representation of the sliding block in an embodiment of the 3D printing device of the present invention；
Fig. 4 is schematic flow sheet prepared by the part of an embodiment of the 3D printing device of the present invention；
Fig. 5 is the schematic flow sheet of the increasing material manufacturing of an embodiment of the 3D printing device of the present invention.
Description of reference numerals：
1 melting furnace, 2 refining furnaces, 3 valves, 4 liquid delivery tubes, 5 cover plates, 6 air admission holes, 7 air film passages, 8 liquid
Body, 9 primary heaters, 10 crucibles, 11 shells, 12 inner nozzles, 13 penstocks, 14 control pressurer systems, 15
One temperature controller, 16 first thermocouples, 17 outer nozzles, 18 second thermocouples, 19 secondary heaters, 20 concentrate liquid stream,
21 parts, 22 accumulator tanks, 23 connecting rods, 24 first motors, 25 second motors, 26 industrial computers, 27 sliding blocks, 28 work
Platform, 29 first liquid level sensors, 30 second liquid level sensors.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
3D printing device of the present invention is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of 3D printing device, including shell 11, the earthenware being arranged in shell 11
Crucible 10, it is fixed on the cover plate 5 of the top of shell 11 and sealed crucible 10, the liquid transporting apparatus connected with crucible 10 and pressure conveying
Device, the outer nozzle 17 of the bottom of shell 11 is fixed on, controls the first temperature control equipment of the temperature of liquid 8 in crucible 10, and
Industry control device.Also include the second temperature control device of the control temperature of outer nozzle 17, second temperature control device includes being arranged on
Second thermocouple 18 and secondary heater 19 in close exit in outer nozzle 17, and heated with the second thermocouple 18 and second
The second temperature controller that device 19 electrically connects.Sliding block 27 is additionally provided with outer nozzle 17, sliding block 27 is connected with the first motor 24, energy
Enough outlets that outer nozzle 17 is opened or closed under the drive of the first motor 24, and the first motor 24 electrically connects with industry control device.
The 3D printing device of the present invention, the liquid 8 after liquid transporting apparatus dissolves raw material are transported in crucible 10, the
The temperature of liquid 8 in one temperature control equipment detection crucible 10, and crucible 10 is heated according to detection temperature, realize crucible
Liquid 8 is in the state of constant temperature in 10.Pressure-feeding apparatus conveys gas into crucible 10, it is ensured that gas produces surely to liquid 8
Fixed pressure so that liquid 8 is flowed out in a manner of concentrating liquid stream 20 from nozzle.Sliding block 27 is realized laterally under the drive of the first motor 24
Motion or rotary motion, the increasing material manufacturing of material are realized with the break-make of liquid stream in domination set 20, the first motor 24 is filled by industry control
Put control.Industry control device moves according to certain path, concentrates liquid stream 20 to touch industry control device, is quickly solidified on industry control device
Two-dimensional shapes are formed, industry control device declines certain distance, concentrates liquid stream 20 to deposit new solidification layer, so repeatedly, shape thereon
Into Three-dimensional Entity Components 21.Wherein, the temperature in the second thermocouple 18 measurement outer nozzle 17 exit of second temperature control device,
And give temperature feedback to second temperature controller, the break-make of second temperature controller control secondary heater 19 realizes outer nozzle 17
Heated at constant temperature so that outer nozzle 17 is maintained at the condition of high temperature, avoid the cooled and solidified of liquid 8 block outlet.Meanwhile its use by
The method of layer accumulation, increasing material manufacturing shaping efficiency are high.
What deserves to be explained is sliding block 27 is applied in outer nozzle 17 or is arranged in outer nozzle 7 close to exit, Neng Gou
Transverse shifting or rotary motion under the drive of first motor 24, so that the outlet of outer nozzle 17 is opened or closing.Wherein, sliding block 27
Shape include but is not limited to strip and circle.The driving of sliding block 27 is not limited to motor driving, or pneumatic, hydraulic pressure,
The driving of the forms such as piezoelectricity.Preferably, in one of the embodiments, the first temperature control equipment is using the higher PID of precision
(ratio (proportion), integration (integration), differential (differentiation)) temperature control algorithm control crucible 10
The temperature of interior liquid 8.The material of crucible 10 is stainless steel material or is graphite material.When from stainless steel material, it is applicable
In containing the liquid such as the relatively low wax of fusing point, high polymer material；When from graphite material, closed suitable for containing the high tungsten of fusing point
Gold, high temperature alloy, steel, active metal aluminium, the melt liquid of magnesium and alloy material.Preferably, in one of the embodiments, stone
The inwall of crucible 10 of ink material scribbles erosion-resisting coating, effectively prevents the inwall of crucible 10 by material corrosions such as metal alloys.
As a kind of embodiment, referring to Fig. 2, air admission hole 6 is provided with shell 11, is provided with the inwall of shell 11
First gas transfer passage, first gas transfer passage connect with air admission hole 6.The bottom of crucible 10 is provided with inner nozzle 12, interior spray
Formed with second gas transfer passage between the outer wall of mouth 12 and the inwall of outer nozzle 17.First gas transfer passage and the second gas
The connection of body transfer passage forms air film passage 7.
Gas enters from the air admission hole 6 of the both sides of shell 11 and is full of air film passage 7, and gas is from the exit of outer nozzle 17 with equal
The even annular mode of air film enclosure aggregate liquid stream 20 sprays, and avoids liquid 8 and the inwall of outer nozzle 17 from contacting, prevents liquid 8 from existing
Frozen plug nozzle at nozzle.
Wherein, what deserves to be explained is, when the liquid in crucible 10 is metallic solution, inertia is full of into air film passage 7
Gas, pressure-feeding apparatus is from penstock 13 to metallic solution surface transport inert gas, so that industry control device and outer spray
Mouth 17 is in inert gas shielding.When the liquid in crucible 10 is wax, Polymer Solution, in air film passage 7 and crucible 10
Inert gas need not be conveyed, need to only input gas, it is convenient to implement.
As a kind of embodiment, the first temperature control equipment includes the first thermocouple 16, primary heater 9 and first
Temperature controller 15, the first thermocouple 16 are arranged between crucible 10 and outer nozzle 17, and primary heater 9 is arranged on the He of shell 11
Between crucible 10, the first temperature controller 15 electrically connects with the first thermocouple 16 and primary heater 9.
The temperature of liquid 8 in first thermocouple 16 detection crucible 10, and give the temperature feedback of detection to the first temperature control
Instrument 15, the break-make of the first temperature controller 15 control primary heater 9 realize the heated at constant temperature of crucible 10.Wherein, it is worth explanation
If the bottom of crucible 10 is provided with inner nozzle 12, the first thermocouple 16 is arranged between crucible 10 and inner nozzle 12, to
One temperature controller 15 provides the temperature of liquid 8 in crucible 10, so that the first temperature controller 15 control primary heater 9 is logical
The disconnected heated at constant temperature for realizing crucible 10.
As a kind of embodiment, primary heater 9 surround to enclose and is located at around crucible 10, and is fixedly installed on cover plate 5
On.Primary heater 9 is fixed on cover plate 5 by connector, avoids primary heater 9 from moving back and forth, and influences heating effect, ring
It is located at around enclosing around crucible 10, it is ensured that the homogeneous heating of crucible 10.
As a kind of embodiment, in addition to retracting device, retracting device includes being arranged on returning for the lower section of outer nozzle 17
Groove 22 is received, control the second motor 25 of accumulator tank 22 and connects the connecting rod 23 of the motor 25 of accumulator tank 22 and second, the second motor 25
Electrically connected with the industrial computer 26 of industry control device.Industry control device includes workbench 28 and industrial computer 26, and workbench 28 is arranged on outer spray
The lower section of mouth 17, it is connected with industrial computer 26, and the first motor 24 electrically connects with industrial computer 26.
The threedimensional model of part 21 is imported in industrial computer 26, software carries out slicing delamination to model, obtains every layer of geometry
Information, software is according to geological information generates control nozzle break-make, workbench 28 moves and the numerical control code of the position of accumulator tank 22.It is sliding
The transverse movement of block 27 controls the first motor 24 to realize by code in industrial computer 26, realizes the control of nozzle break-make.Workbench 28
Run under the control of industrial computer 26 according to certain path, when concentrating the liquid stream 20 to touch the relatively low substrate of temperature of workbench 28
Quick cooled and solidified forms X-Y scheme, and mobile sliding block 27 closes nozzle after current layer completes shaping, and industrial computer 26 controls work
Platform 28 declines certain distance, and mobile sliding block 27 opens nozzle, concentrates liquid stream 20 to be flowed out from nozzle, continue in solidification layer before
Accumulation molding.After the shaping of part 21 terminates, nozzle is closed, accumulator tank 22 is being moved to immediately below nozzle, opens nozzle recovery earthenware
Remaining liquid 8 in crucible 10, reach and save material, the effect of environmental protection.Second motor 25 is controlled by numerical control code in industrial computer 26,
Second motor 25 is connected with connecting rod 23, and connecting rod 23 is connected with accumulator tank 22, and the second motor 25 rotates drivening rod 23 and run, and then
Realize the movement of the position of accumulator tank 22.
, wherein it is desired to explanation, before forming part 21, the drivening rod 23 of the second motor 25 is in accumulator tank 22
The outlet of outer nozzle 17 lower section, opens nozzle, liquid 8 is in the presence of pressure-feeding apparatus from exit in a manner of concentrating liquid stream 20
Spray, after concentrating liquid stream 20 stable, close nozzle, remove accumulator tank 22, it is unstable during avoiding concentrating liquid stream 20 from beginning to flow out
The fixing molding effect for ringing part 21.
As a kind of embodiment, liquid transporting apparatus includes melting furnace 1, refining furnace 2, liquid delivery tube 4 and valve
3, the one end of liquid delivery tube 4 connects through cover plate 5 with crucible 10, and the other end connects with refining furnace 2, and refining furnace 2 connects with melting furnace 1
Connect, valve 3 is arranged on one end being connected with refining furnace 2 of liquid delivery tube 4.
Melting furnace 1 is used to melt metal and alloy raw material, and refining furnace 2 is used to remove the raw material progress deoxygenation after dissolving
Slag, liquid delivery tube 4 are used for the liquid after raw material are melted and are transported to crucible 10, and valve 3 is used to control in liquid delivery tube 4
The break-make of liquid.Its shape to material is not limited, and the material of any shape can be processed as to the liquid of forming part 21
8。
As a kind of embodiment, pressure-feeding apparatus includes penstock 13 and control pressurer system 14, pressure
Delivery pipe 13 is arranged on cover plate 5 and connected with crucible 10, and control pressurer system 14 is connected with penstock 13.Stress control
The air inlet of the control pressure delivery pipe 13 of system 14, it is ensured that gas produces stable pressure to liquid 8 so that liquid 8 is to concentrate liquid
20 modes are flowed to flow out from nozzle.
When the material of liquid 8 in crucible 10 is tungsten alloy, high temperature alloy, steel, active metal aluminium, magnesium and alloy material,
Control pressurer system 14 controls inert gas to enter crucible 10 from penstock 13, real under the control of control pressurer system 14
Existing inert gas produces constant pressure on metal liquid surface.When the material of liquid 8 in crucible 10 is wax, high polymer material,
Control pressurer system 14 controls gas (such as air) to enter crucible 10 from penstock 13, in the control of control pressurer system 14
Under realize gas liquid surface produce constant pressure.
As a kind of embodiment, referring to Fig. 3, sliding block 27 is strip sliding block, and the middle part of sliding block 27 is provided with circle
Through hole.When the transverse shifting in outer nozzle 17 of sliding block 27, circular through hole can effectively realize beating for the outlet of outer nozzle 17
It is open and close, and circular through hole, the lines that liquid 8 flows out are more smooth, and the part 21 of shaping is more attractive.What deserves to be explained is
The shape of through hole is not limited to circle, or the other shapes such as square, polygon.
As a kind of embodiment, in addition to it is arranged on the first liquid level sensor 29 of the bottom of crucible 10 and is arranged on 10
Second liquid level sensor 30 on crucible top.
First liquid level sensor 29 and the second liquid level sensor 30 are used for the position for detecting liquid 8 in crucible 10.When liquid 8
When reaching the second 30 position of liquid level sensor, illustrate in crucible 10 that liquid is in full state or close to full state, shutoff valve
Door 3, stop conveying liquid 8 into crucible 10.When the position of liquid 8 is when reaching the first 29 position of liquid level sensor, illustrate crucible
Liquid 8 has been used up or is nearly finished in 10, is not yet completed if part 21 is molded, and the control slide block 27 of the first motor 24 closes nozzle,
Open valve 3 and inject liquid into crucible 10, completed if part 21 is molded, without injecting liquid into crucible 10.It is more excellent
, the first liquid level sensor 29 is connected with alarm, when liquid position reaches the position of the first liquid level sensor 29 in crucible 10, report
Alert device sends alarm signal, reminds staff to open valve 3, avoids fluent material deficiency from influenceing the shaping of part 21.
Referring to Fig. 4, the part preparation process of the 3D printing device in the embodiment with reference to shown in Fig. 2 describes in detail：
S100, melting furnace 1 melt raw material.
S200, need to judge whether to need to refine according to raw material；If so, judge whether to need atmosphere after then being refined
Protection；If it is not, then directly judge whether to need atmosphere protection.
S300, judge whether to need atmosphere protection；If so, then input indifferent gas into crucible 10 from penstock 13
Body, from air inlet 6 input inert gas into air film passage 7；If it is not, then directly heat outer nozzle 17 and crucible 10.
S400, liquid transporting apparatus inject liquid 8 into crucible 10, and the inert gas in air film passage 7 forms annular gas
Mould, from the inert gas that penstock 13 inputs into crucible 10 to liquid surface, pressurization causes liquid 8 to concentrate liquid stream 20
Mode flows out from nozzle, with the part 21 of shaped three dimensional entity.
S500, judge whether to require supplementation with liquid 8 according to the second liquid level sensor 30, if so, return to step S400, if
No, then the increasing material manufacturing of part 21 terminates.
Wherein, what deserves to be explained is, step S500 judges whether to require supplementation with liquid 8, refers to that the shaping of part 21 does not complete,
And liquid is when requiring supplementation with, ability return to step S400.If the shaping of part 21 is completed, liquid requires supplementation with, then terminates increasing material manufacturing.
Fig. 5 is the schematic flow sheet of the increasing material manufacturing of 3D printing device of the present invention, is comprised the following steps：
G10, industrial computer 26 control the second motor 25 that accumulator tank 22 is moved to immediately below nozzle, the control of industrial computer 26 first
Motor 24 opens nozzle with movable slider 27, after concentrating liquid stream 20 stable, closes nozzle, removes accumulator tank 22.
G20, the threedimensional model of input part 21 in industrial computer 26, in industrial computer 26 software by threedimensional model slicing delamination,
Obtain i-th layer of geological information of threedimensional model.Wherein, i is positive integer.
G30, nozzle break-make code and the numerical control code of workbench 28 are generated according to geological information, according to nozzle break-make code and
The numerical control code of workbench 28 is molded the i-th layer model.
G40, judge be molded the i-th layer model after part 21 whether be molded completion, if so, then move accumulator tank to nozzle just under
Side, nozzle is opened, reclaim remaining liq 8 in crucible 10, if it is not, then carrying out i+1 layer model according to i+1 layer geological information
Shaping.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of 3D printing device, it is characterised in that including shell, the crucible being arranged in the shell, be fixed on described outer
At the top of shell and the cover plate of the crucible is sealed, the liquid transporting apparatus and pressure-feeding apparatus connected with the crucible, is fixed on
The outer nozzle of the outer casing bottom, control the first temperature control equipment of fluid temperature in the crucible, and industry control device；
Also include the second temperature control device for controlling the outer nozzle temperature, the second temperature control device includes being arranged on
In the outer nozzle close to exit the second thermocouple and secondary heater, and with second thermocouple and described second
The second temperature controller of heater electrical connection；
Sliding block is additionally provided with the outer nozzle, the sliding block is applied in the outer nozzle or is arranged in the outer nozzle and leans on
Nearly exit, the sliding block and the first motor connection, can transverse shifting or rotary motion under the drive of first motor,
To open or close the outlet of the outer nozzle, and first motor electrically connects with the industry control device；
Air admission hole is provided with the shell, first gas transfer passage, first gas are provided with the inwall of the shell
Body transfer passage connects with the air admission hole；
The crucible bottom is provided with inner nozzle, formed with second between the outer wall of the inner nozzle and the inwall of the outer nozzle
Gas delivery channels；
The first gas transfer passage connects with the second gas transfer passage forms air film passage.
2. 3D printing device according to claim 1, it is characterised in that first temperature control equipment includes the first heat
Galvanic couple, primary heater and the first temperature controller；
First thermocouple is arranged between the crucible and the outer nozzle, and the primary heater is arranged on the shell
Between the crucible, first temperature controller electrically connects with first thermocouple and the primary heater.
3. 3D printing device according to claim 2, it is characterised in that the primary heater, which surround to enclose, is located at the earthenware
Around crucible, and it is fixedly installed on the cover plate.
4. 3D printing device according to claim 1, it is characterised in that also including retracting device；
The retracting device includes being arranged on accumulator tank below the outer nozzle, the second motor of the control accumulator tank and company
Connect the connecting rod of the accumulator tank and second motor；
Second motor electrically connects with the industry control device.
5. 3D printing device according to claim 4, it is characterised in that the industry control device includes workbench and industry control
Machine；
The workbench is arranged on the lower section of the outer nozzle, is connected with the industrial computer；
The industrial computer electrically connects with first motor and second motor.
6. 3D printing device according to claim 1, it is characterised in that the liquid transporting apparatus includes melting furnace, essence
Furnace, liquid delivery tube and valve；
Described liquid delivery tube one end connects through the cover plate with the crucible, and the other end connects with the refining furnace, described
Refining furnace is connected with the melting furnace, and the valve is arranged on one end being connected with the refining furnace of the liquid delivery tube
On.
7. 3D printing device according to claim 1, it is characterised in that the pressure-feeding apparatus includes penstock
And control pressurer system；
The penstock is arranged on the cover plate and connected with the crucible, the control pressurer system and the pressure
Delivery pipe connects.
8. 3D printing device according to claim 1, it is characterised in that the middle part of the sliding block is provided with circular through hole.
9. 3D printing device according to claim 1, it is characterised in that also include being arranged on the first of the crucible bottom
Liquid level sensor and the second liquid level sensor for being arranged on the crucible top.
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| CN201510015490.7A CN105834430B (en) | 2015-01-12 | 2015-01-12 | 3d printing device |
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| CN201510015490.7A CN105834430B (en) | 2015-01-12 | 2015-01-12 | 3d printing device |
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| CN105834430A CN105834430A (en) | 2016-08-10 |
| CN105834430B true CN105834430B (en) | 2018-01-16 |
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| CN201510015490.7A Active CN105834430B (en) | 2015-01-12 | 2015-01-12 | 3d printing device |
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| CN106180717B (en) * | 2016-09-15 | 2019-11-12 | 南京钛陶智能***有限责任公司 | A kind of liquid material generating device and its control method for 3 D-printing |
| CN106424734A (en) * | 2016-10-09 | 2017-02-22 | 湖南工业大学 | 3D spray-forming device |
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| CN106378454B (en) * | 2016-10-12 | 2019-11-05 | 北京机科国创轻量化科学研究院有限公司 | A kind of pulse on-off valve type metal 3D printing device |
| CN107099674B (en) * | 2017-05-15 | 2018-06-15 | 马鞍山尚元冶金科技有限公司 | A kind of application method of the increasing material manufacturing device based on electroslag remelting |
| CN107127345B (en) * | 2017-07-04 | 2019-05-03 | 北京工业大学 | A kind of the metal microlayer model manufacturing device and method of gas phase auxiliary |
| CN107538736A (en) * | 2017-10-10 | 2018-01-05 | 上海应用技术大学 | Printing equipment and method based on melt molding injection |
| CN108394102B (en) * | 2018-03-05 | 2019-12-31 | 郑州精图三维科技有限公司 | Automatic liquid level adjusting system of 3D printer |
| CN111940689B (en) * | 2020-06-24 | 2022-04-19 | 合肥工业大学 | Mold for manufacturing screw rotor through additive technology and using method thereof |
| CN111716708A (en) * | 2020-08-04 | 2020-09-29 | 佘峰 | Efficient 3D printing device |
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