CN105834430A - 3D (3-dimensional) printing device - Google Patents
3D (3-dimensional) printing device Download PDFInfo
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- CN105834430A CN105834430A CN201510015490.7A CN201510015490A CN105834430A CN 105834430 A CN105834430 A CN 105834430A CN 201510015490 A CN201510015490 A CN 201510015490A CN 105834430 A CN105834430 A CN 105834430A
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- crucible
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Abstract
The invention provides a 3D (3-dimensional) printing device, which comprises a case, a crucible, a cover plate, a liquid conveying device, a pressure conveying device, an outer spray nozzle, a first temperature control device, an industrial control device, a second thermocouple, a second heater and a second temperature control instrument, wherein the crucible is arranged in the case; the cover plate is fixedly arranged on the top of the case and seals the crucible; the liquid conveying device and the pressure conveying device are communicated with the crucible; the outer spray nozzle is fixedly arranged at the bottom of the case; the first temperature control device is used for controlling the temperature of liquid in the crucible; the second thermocouple and the second heater are arranged in positions, near an outlet, in the outer spray nozzle; the second temperature control instrument is connected with the second thermocouple and the second heater; a slide block is also arranged in the outer spray nozzle, and is connected with a first motor; the outlet can be opened or closed through the slide block being driven by the first motor, and the first motor is electrically connected with the industrial control device. The heater is used for heating, so that the concentrated liquid flow is enabled to be in a high-temperature state, and the spray nozzle outlet blockage due to liquid cooling condensation is avoided; an air film passage restrains the concentrated liquid flow, and prevents the concentrated liquid flow from contacting the spray nozzle, and the spray nozzle is further prevented from being blocked.
Description
Technical field
The present invention relates to increase material manufacturing technology field, particularly relate to a kind of 3D printing equipment.
Background technology
3D (Three-dimensional, three-dimensional) prints, also known as increasing material manufacture, by threedimensional model is discrete
For two-dimensional section, the method successively piled up is used to prepare part, it is not necessary to use mould, and overcome tradition processing
The restriction of method, it is possible to produce baroque part.Especially in aerospace applications widely
For titanium alloy, high temperature alloy, using the method increasing material manufacture can produce traditional diamond-making technique cannot make
Standby structure optimization part, not only alleviates overall weight, raising efficiency, is more conducive to save the war that country is important
Slightly resource.
At present, increase material manufacture and mainly use high energy heat source sintering or the cladding formings such as laser, electron beam, ultraviolet light
Method.The method of sintering is obtained in that precision part higher, baroque；The method energy of cladding forming
Enough obtain large scale and there is the part of certain structure complexity, and the mechanical property of metal parts is close to forging
Standard.But there is bigger restriction to material in this type of method, it is desirable to metal or toner must be scales
The spherical powder of very little scope, the price of dusty material is more than the several times of traditional material price, adds acquisition height
The expensive of energy thermal source makes manufacturing cost the highest.Additionally, due to use the method that molding is piled up in pointwise,
The shaping efficiency of the method is relatively low.
Limiting for breaking through material, the method being shaped after directly being melted by raw material mainly has jet deposition skill
Art and molten drop spraying technique.But it is fairly simple that spray deposition technique can be obtained with part shape；Molten drop sprays
There is molten drop nozzle shortcoming more rambunctious in technology, and the part memory of preparation is in a small amount of hole, mechanical property
The highest.For or the solution of easy solidification higher for fusing point, there is nozzle and hold susceptible to plugging lacking in this type of method
Point.
Summary of the invention
For high-melting-point or the problem of the easy plug nozzle of solution of easy solidification, it is necessary to offer one can be effective
Avoid plug nozzle, and increase material manufacture efficiency height, material shape is not had conditional 3D printing equipment.
For reaching goal of the invention, the present invention provides a kind of 3D printing equipment, including shell, be arranged on described outside
Crucible in shell, is fixed on described cover top portion and seals the cover plate of described crucible, connects with described crucible
Liquid transporting apparatus and pressure-feeding apparatus, be fixed on the outer nozzle of described outer casing bottom, controls described crucible
First temperature control equipment of interior temperature of liquid, and industry control device；
Also include the second temperature control equipment controlling described outer nozzle temperature, described second temperature control equipment
Including the second thermocouple and the secondary heater in exit close in being arranged on described outer nozzle, and with described
Second thermocouple and the second temperature controller of described secondary heater electrical connection；
It is additionally provided with slide block, described slide block and the first motor in described outer nozzle to connect, it is possible to described first
The described outlet of described outer nozzle is opened or closed under the drive of motor, and described first motor and described industry control
Device electrically connects.
As a kind of embodiment, described shell is provided with air inlet, the inwall of described shell is provided with
First gas delivery channels, described first gas delivery channels connects with described air inlet；
Described crucible bottom is provided with inner nozzle, between outer wall and the inwall of described outer nozzle of described inner nozzle
It is formed with the second gas delivery channels；
Described first gas delivery channels connects composition air film passage with described second gas delivery channels.
As a kind of embodiment, described first temperature control equipment includes the first thermocouple, primary heater
With the first temperature controller；
Described first thermocouple is arranged between described crucible and described outer nozzle, and described primary heater is arranged
Between described shell and described crucible, described first temperature controller and described first thermocouple and described the
One heater electrical connection.
As a kind of embodiment, described primary heater is located at around described crucible around enclosing, and fixing sets
Put on described cover plate.
As a kind of embodiment, also include retracting device；
Described retracting device includes being arranged on the accumulator tank below described outer nozzle, controls the of described accumulator tank
Two motors and the connecting rod connecting described accumulator tank and described second motor；
Described second motor electrically connects with described industry control device.
As a kind of embodiment, described industry control device includes workbench and industrial computer；
Described workbench is arranged on the lower section of described outer nozzle, is connected with described industrial computer；
Described industrial computer electrically connects with described first motor and described second motor.
As a kind of embodiment, described liquid transporting apparatus includes melting stove, refining furnace, liquid delivery tube
And valve；
Described liquid delivery tube one end connects through described cover plate with described crucible, the other end and described refining furnace
Connection, described refining furnace is connected with described fusing stove, described valve be arranged on described liquid delivery tube with institute
State on one end that refining furnace connects.
As a kind of embodiment, described pressure-feeding apparatus includes penstock and control pressurer system；
Described penstock is arranged on described cover plate and connects with described crucible, described control pressurer system
It is connected with described penstock.
As a kind of embodiment, the middle part of described slide block is provided with the through hole of circle.
As a kind of embodiment, also include the first liquid level sensor and the setting being arranged on described crucible bottom
The second liquid level sensor on described crucible top.
The beneficial effect comprise that
The 3D printing equipment of the present invention, the second thermocouple and secondary heater be close outlet in being arranged on outer nozzle
Place, the temperature at the second thermocouple measurement nozzle outlet, and give the second temperature controller by Temperature Feedback,
The break-make of the second temperature controller control secondary heater realizes the heated at constant temperature of outer nozzle so that outer nozzle is protected
Hold in the condition of high temperature, it is to avoid the outlet of liquid cooled and solidified blocking outer nozzle.And it uses the side successively piled up
Method, increases material and manufactures shaping efficiency height.The first gas delivery channels in the inwall of shell and the outer wall of inner nozzle
With the second gas delivery channels connection between the inwall of outer nozzle constitutes air film passage, the gas in air film passage
Liquid stream in body constraint set, it is to avoid concentrate liquid stream to contact with nozzle, further function as the effect preventing spray nozzle clogging.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the 3D printing equipment of the present invention；
Fig. 2 is the structural representation of another embodiment of the 3D printing equipment of the present invention；
Fig. 3 is the structural representation of the slide block in an embodiment of the 3D printing equipment of the present invention；
Fig. 4 is schematic flow sheet prepared by the part of an embodiment of the 3D printing equipment of the present invention；
Fig. 5 is the schematic flow sheet increasing material manufacture of an embodiment of the 3D printing equipment of the present invention.
Description of reference numerals:
1 fusing stove, 2 refining furnaces, 3 valves, 4 liquid delivery tubes, 5 cover plates, 6 air inlets, 7 air films lead to
Road, 8 liquid, 9 primary heaters, 10 crucibles, 11 shells, 12 inner nozzles, 13 penstocks, 14
Control pressurer system, 15 first temperature controllers, 16 first thermocouples, 17 outer nozzles, 18 second thermoelectricity
Even, 19 secondary heaters, 20 concentration liquid stream, 21 parts, 22 accumulator tanks, 23 connecting rods, 24 first motors,
25 second motors, 26 industrial computers, 27 slide blocks, 28 workbench, 29 first liquid level sensors, 30 second liquid
Level sensor.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example 3D printing equipment of the present invention is further elaborated.Should be appreciated that described herein specifically
Embodiment only in order to explain the present invention, is not intended to limit the present invention.
Seeing Fig. 1, the embodiment of the present invention provides a kind of 3D printing equipment, including shell 11, is arranged on shell
Crucible 10 in 11, is fixed on the cover plate 5 of shell 11 top sealed crucible 10, connects with crucible 10
Liquid transporting apparatus and pressure-feeding apparatus, be fixed on the outer nozzle 17 bottom shell 11, controls crucible 10
First temperature control equipment of interior liquid 8 temperature, and industry control device.Also include controlling outer nozzle 17 temperature
The second temperature control equipment, the second temperature control equipment includes being arranged in outer nozzle 17 near exit
Second thermocouple 18 and secondary heater 19, and electrically connect with the second thermocouple 18 and secondary heater 19
The second temperature controller.Being additionally provided with slide block 27 in outer nozzle 17, slide block 27 is connected with the first motor 24,
The outlet of outer nozzle 17, and the first motor 24 and work can be opened or closed under the drive of the first motor 24
Control device electrical connection.
The 3D printing equipment of the present invention, the liquid 8 after raw material is dissolved by liquid transporting apparatus is transported to crucible
In 10, the temperature of liquid 8 in the first temperature control equipment detection crucible 10, and according to detection temperature to crucible
10 heat, it is achieved in crucible 10, liquid 8 is in the state of constant temperature.Pressure-feeding apparatus is to crucible 10
Interior conveying gas, it is ensured that gas produces stable pressure to liquid 8 so that liquid 8 is to concentrate liquid stream 20 side
Formula flows out from nozzle.Slide block 27 realizes transverse movement or rotary motion under the first motor 24 drives, with
In domination set, the break-make of liquid stream 20 realizes the increasing material manufacture of material, and the first motor 24 is controlled by industry control device.
Industry control device moves according to certain path, concentrates liquid stream 20 to touch industry control device, on industry control device quickly
Solidification forms two-dimensional shapes, and industry control device declines certain distance, concentrates liquid stream 20 to deposit new solidification thereon
Layer, the most repeatedly, forms Three-dimensional Entity Components 21.Wherein, the second thermocouple of the second temperature control equipment
18 temperature measuring outer nozzle 17 exit, and give the second temperature controller, the second temperature control by Temperature Feedback
The break-make of instrument control secondary heater 19 processed realizes the heated at constant temperature of outer nozzle 17 so that outer nozzle 17 keeps
In the condition of high temperature, it is to avoid the blocking outlet of liquid 8 cooled and solidified.Meanwhile, it uses the method successively piled up,
Increase material and manufacture shaping efficiency height.
What deserves to be explained is, in slide block 27 is applied in outer nozzle 17 or be arranged in outer nozzle 7 near outlet
Place, it is possible to transverse shifting or rotary motion under the drive of the first motor 24, so that the outlet of outer nozzle 17
Open or close.Wherein, the shape of slide block 27 includes but not limited to strip and circle.Driving of slide block 27
The dynamic motor that is not limited to drives, it is also possible to for the driving of the form such as pneumatic, hydraulic pressure, piezoelectricity.Preferably, at it
In in an embodiment, the first temperature control equipment use PID that precision is higher (ratio (proportion),
Integration (integration), differential (differentiation)) temperature control algorithm controls the temperature of liquid 8 in crucible 10
Degree.The material of crucible 10 is stainless steel material or is graphite material.When selecting stainless steel material, it is suitable for
In containing the liquid such as the relatively low wax of fusing point, macromolecular material；When selecting graphite material, it is adaptable to contain molten
Tungsten alloy, high temperature alloy, steel, active metal aluminum, magnesium and the melt liquid of alloy material that point is high.More excellent
, wherein in an embodiment, crucible 10 inwall of graphite material scribbles erosion-resisting coating, the most anti-
Only crucible 10 inwall is by material corrosions such as metal alloys.
As a kind of embodiment, see Fig. 2, shell 11 is provided with air inlet 6, shell 11 interior
Being provided with the first gas delivery channels in wall, the first gas delivery channels connects with air inlet 6.Crucible 10 end
Portion is provided with inner nozzle 12, is formed with the second gas between outer wall and the inwall of outer nozzle 17 of inner nozzle 12
Transfer passage.First gas delivery channels connects composition air film passage 7 with the second gas delivery channels.
The gas air inlet 6 from shell 11 both sides enters and is full of air film passage 7, and gas goes out from outer nozzle 17
Mouth is sentenced uniform annular air film enclosure aggregate liquid stream 20 mode and is sprayed, it is to avoid liquid 8 and outer nozzle 17
Contact internal walls, prevents liquid 8 frozen plug nozzle at nozzle.
Wherein, what deserves to be explained is, when the liquid in crucible 10 is metallic solution, in air film passage 7
Be full of noble gas, pressure-feeding apparatus from penstock 13 to metallic solution surface transport noble gas,
So that industry control device and outer nozzle 17 are in inert gas shielding.When the liquid in crucible 10 is wax, height
During molecular solution, need not in air film passage 7 and crucible 10 carry noble gas, only need to input gas,
Convenient enforcement.
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 is arranged between crucible 10 and outer nozzle 17, and first
Heater 9 is arranged between shell 11 and crucible 10, the first temperature controller 15 and the first thermocouple 16
Electrically connect with primary heater 9.
First thermocouple 16 detects the temperature of liquid 8 in crucible 10, and gives first by the Temperature Feedback of detection
Temperature controller 15, the first temperature controller 15 controls the break-make of primary heater 9 and realizes the perseverance of crucible 10
Temperature heating.Wherein, what deserves to be explained is, if being provided with inner nozzle 12, then the first thermocouple bottom crucible 10
16 are arranged between crucible 10 and inner nozzle 12, provide liquid in crucible 10 to the first temperature controller 15
The temperature of 8, so that the first temperature controller 15 controls the break-make of primary heater 9 and realizes the constant temperature of crucible 10
Heating.
As a kind of embodiment, primary heater 9 is located at around crucible 10 around enclosing, and is fixedly installed
On cover plate 5.Primary heater 9 is fixed on cover plate 5 by connector, it is to avoid primary heater 9
Return is dynamic, affects heats, is located at around crucible 10 around enclosing, it is ensured that crucible 10 homogeneous heating.
As a kind of embodiment, also including retracting device, retracting device includes being arranged on outer nozzle 17 times
The accumulator tank 22 of side, the second motor 25 controlling accumulator tank 22 and connection accumulator tank 22 and the second motor 25
Connecting rod 23, the second motor 25 electrically connects with the industrial computer 26 of industry control device.Industry control device includes workbench
28 and industrial computer 26, workbench 28 is arranged on the lower section of outer nozzle 17, is connected with industrial computer 26, and
One motor 24 electrically connects with industrial computer 26.
Importing the threedimensional model of part 21 in industrial computer 26, software carries out slicing delamination to model, obtains every
The geological information of layer, software generates control nozzle break-make according to geological information, workbench 28 moves and accumulator tank
The numerical control code of 22 positions.It is real that the transverse movement of slide block 27 is controlled the first motor 24 by code in industrial computer 26
Existing, it is achieved the control of nozzle break-make.Workbench 28 runs according to certain path under the control of industrial computer 26,
When concentrating liquid stream 20 to touch the relatively low substrate of the temperature of workbench 28, quick cooled and solidified forms X-Y scheme,
Current layer moves slide block 27 after completing molding and closes nozzle, and industrial computer 26 controls workbench 28 and declines a spacing
From, mobile slide block 27 opens nozzle, concentrates liquid stream 20 to flow out from nozzle, continues in solidification layer before
Pile up molding.After part 21 molding terminates, closing nozzle, accumulator tank 22 is moving to immediately below nozzle,
Open nozzle and reclaim remaining liquid 8 in crucible 10, reach to save material, the effect of environmental protection.Second motor
25 are controlled by numerical control code in industrial computer 26, and the second motor 25 is connected with connecting rod 23, connecting rod 23 and recovery
Groove 22 connects, and the second motor 25 rotates drivening rod 23 and runs, and then realizes the shifting of accumulator tank 22 position
Dynamic.
Wherein it is desired to explanation, before forming part 21, the second motor 25 drivening rod 23 makes back
Receiving groove 22 to be in below outer nozzle 17 outlet, open nozzle, liquid 8 is under the effect of pressure-feeding apparatus
To concentrate liquid stream 20 mode to spray from exit, after concentrating liquid stream 20 stable, close nozzle, remove back
Receive groove 22, the molding effect of de-stabilising effect part 21 during to avoid concentrating liquid stream 20 to begin to flow out.
As a kind of embodiment, liquid transporting apparatus includes melting stove 1, refining furnace 2, liquid delivery tube
4 and valve 3, liquid delivery tube 4 one end connects through cover plate 5 with crucible 10, the other end and refining furnace 2
Connection, refining furnace 2 is connected with fusing stove 1, and valve 3 is arranged on connecting with refining furnace 2 of liquid delivery tube 4
On the one end connect.
Fusing stove 1 is used for melting metal and alloy raw material, and refining furnace 2 is for entering the raw material after dissolving
Row deoxygenation removes the gred, and the liquid delivery tube 4 liquid after being melted by raw material is transported to crucible 10, valve 3
The break-make of liquid in controlling liquid delivery tube 4.The shape of material is not limited by it, can be by any
The materials processing of shape is the liquid 8 of forming part 21.
As a kind of embodiment, pressure-feeding apparatus includes penstock 13 and control pressurer system 14,
Penstock 13 is arranged on cover plate 5 and connects with crucible 10, and control pressurer system 14 carries with pressure
Pipe 13 connects.Control pressurer system 14 controls the air inlet of penstock 13, it is ensured that liquid 8 is produced by gas
Raw stable pressure so that liquid 8 is to concentrate liquid stream 20 mode from nozzle outflow.
When in crucible 10, the material of liquid 8 is tungsten alloy, high temperature alloy, steel, active metal aluminum, magnesium and conjunction
During gold copper-base alloy, control pressurer system 14 controls noble gas and enters crucible 10 from penstock 13, in pressure
Realize noble gas under the control of Force control system 14 and produce constant pressure on metal liquid surface.When crucible 10
When the material of interior liquid 8 is wax, macromolecular material, control pressurer system 14 control gas (such as air) from
Penstock 13 enters crucible 10, realizes gas at liquid surface under the control of control pressurer system 14
Produce constant pressure.
As a kind of embodiment, seeing Fig. 3, slide block 27 is strip slide block, and the middle part of slide block 27 sets
There is the through hole of circle.When slide block 27 transverse shifting in outer nozzle 17, circular through hole can be effective
Realizing the opening and closing of outer nozzle 17 outlet, and the through hole of circle, the lines that liquid 8 flows out are more smooth,
The part 21 of molding is more attractive.What deserves to be explained is, the shape of through hole is not limited to circle, it is also possible to for square,
Other shapes such as polygon.
As a kind of embodiment, also include the first liquid level sensor 29 He being arranged on crucible 10 bottom
It is arranged on second liquid level sensor 30 on 10 crucible tops.
First liquid level sensor 29 and the second liquid level sensor 30 position of liquid 8 in detecting crucible 10.
When liquid 8 reaches the second liquid level sensor 30 position, illustrate in crucible 10 liquid be in full state or
Close to full state, close valve 3, stop carrying liquid 8 in crucible 10.When reaching of liquid 8 position
During to the first liquid level sensor 29 position, in crucible 10 is described, liquid 8 has been used up or is nearly finished, if zero
Part 21 molding not yet completes, and the first motor 24 controls slide block 27 and cuts out nozzle, opens valve 3 to crucible 10
Interior injection liquid, if part 21 molding completes, then without injecting liquid in crucible 10.Preferably,
First liquid level sensor 29 is connected with alarm, when in crucible 10, liquid position reaches the first liquid level sensor
29 positions, alarm sends alarm signal, reminds staff to open valve 3, it is to avoid fluent material is not enough
Affect the molding of part 21.
Seeing Fig. 4, the part preparation process in conjunction with the 3D printing equipment in the embodiment shown in Fig. 2 is come in detail
Illustrate:
S100, fusing stove 1 melts raw material.
S200, needs to judge whether to need refine according to raw material；Judge whether after the most then carrying out refine
Need atmosphere protection；If it is not, the most directly judge whether to need atmosphere protection.
S300, it may be judged whether need atmosphere protection；The most then from penstock 13 to defeated in crucible 10
Enter noble gas, in air film passage 7, input noble gas from air inlet 6；If it is not, outside then directly heating
Nozzle 17 and crucible 10.
S400, liquid transporting apparatus injects liquid 8, the indifferent gas bodily form in air film passage 7 in crucible 10
Circularize gas mould, make to liquid surface pressurization to the noble gas of input in crucible 10 from penstock 13
Obtain liquid 8 to concentrate liquid stream 20 mode to flow out from nozzle, with the part 21 of shaped three dimensional entity.
S500, judges whether to require supplementation with liquid 8 according to the second liquid level sensor 30, if so, returns step
S400, if it is not, then part 21 increases material manufacture and terminates.
Wherein, what deserves to be explained is, step S500 judges whether to require supplementation with liquid 8, refers to part 21
Molding is not fully complete, and when liquid requires supplementation with, just returns step S400.If part 21 molding completes, liquid
Require supplementation with, then terminate to increase material manufacture.
Fig. 5 is the schematic flow sheet increasing material manufacture of 3D printing equipment of the present invention, comprises the following steps:
G10, industrial computer 26 controls the second motor 25 and is moved to nozzle by accumulator tank 22, industrial computer
26 control the first motor 24 band movable slider 27 opens nozzle, after concentrating liquid stream 20 stable, closes nozzle,
Remove accumulator tank 22.
G20, the threedimensional model of input part 21 in industrial computer 26, in industrial computer 26, software is by threedimensional model
Slicing delamination, obtains i-th layer of geological information of threedimensional model.Wherein, i is positive integer.
G30, generates nozzle break-make code and workbench 28 numerical control code according to geological information, leads to according to nozzle
Division of history into periods code and workbench 28 numerical control code molding the i-th layer model.
G40, it is judged that after molding the i-th layer model, whether molding completes part 21, the most then move accumulator tank
To nozzle, open nozzle, reclaim remaining liq 8 in crucible 10, if it is not, then according to i+1 layer
Geological information carries out the molding of i+1 layer model.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. a 3D printing equipment, it is characterised in that include shell, is arranged on the crucible in described shell,
It is fixed on described cover top portion and seals the cover plate of described crucible, the liquid transporting apparatus connected with described crucible
And pressure-feeding apparatus, it is fixed on the outer nozzle of described outer casing bottom, controls temperature of liquid in described crucible
First temperature control equipment, and industry control device；
Also include the second temperature control equipment controlling described outer nozzle temperature, described second temperature control equipment
Including the second thermocouple and the secondary heater in exit close in being arranged on described outer nozzle, and with described
Second thermocouple and the second temperature controller of described secondary heater electrical connection；
It is additionally provided with slide block, described slide block and the first motor in described outer nozzle to connect, it is possible to described first
The described outlet of described outer nozzle is opened or closed under the drive of motor, and described first motor and described industry control
Device electrically connects.
3D printing equipment the most according to claim 1, it is characterised in that be provided with on described shell
Air inlet, is provided with the first gas delivery channels, described first gas delivery channels in the inwall of described shell
Connect with described air inlet；
Described crucible bottom is provided with inner nozzle, between outer wall and the inwall of described outer nozzle of described inner nozzle
It is formed with the second gas delivery channels；
Described first gas delivery channels connects composition air film passage with described second gas delivery channels.
3D printing equipment the most according to claim 1, it is characterised in that described first temperature controls
Device includes the first thermocouple, primary heater and the first temperature controller；
Described first thermocouple is arranged between described crucible and described outer nozzle, and described primary heater is arranged
Between described shell and described crucible, described first temperature controller and described first thermocouple and described the
One heater electrical connection.
3D printing equipment the most according to claim 3, it is characterised in that described primary heater ring
It is located at around described crucible around enclosing, and is fixedly installed on described cover plate.
3D printing equipment the most according to claim 1, it is characterised in that also include retracting device；
Described retracting device includes being arranged on the accumulator tank below described outer nozzle, controls the of described accumulator tank
Two motors and the connecting rod connecting described accumulator tank and described second motor；
Described second motor electrically connects with described industry control device.
3D printing equipment the most according to claim 5, it is characterised in that described industry control device includes
Workbench and industrial computer；
Described workbench is arranged on the lower section of described outer nozzle, is connected with described industrial computer；
Described industrial computer electrically connects with described first motor and described second motor.
3D printing equipment the most according to claim 1, it is characterised in that described liquid transporting apparatus
Including fusing stove, refining furnace, liquid delivery tube and valve；
Described liquid delivery tube one end connects through described cover plate with described crucible, the other end and described refining furnace
Connection, described refining furnace is connected with described fusing stove, described valve be arranged on described liquid delivery tube with institute
State on one end that refining furnace connects.
3D printing equipment the most according to claim 1, it is characterised in that described pressure-feeding apparatus
Including penstock and control pressurer system；
Described penstock is arranged on described cover plate and connects with described crucible, described control pressurer system
It is connected with described penstock.
3D printing equipment the most according to claim 1, it is characterised in that the middle part of described slide block sets
There is the through hole of circle.
3D printing equipment the most according to claim 1, it is characterised in that also include being arranged on described
First liquid level sensor of crucible bottom and the second liquid level sensor being arranged on described crucible top.
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| CN106180717A (en) * | 2016-09-15 | 2016-12-07 | 梁福鹏 | A kind of liquid material generating means for 3 D-printing and control method thereof |
| CN106378454A (en) * | 2016-10-12 | 2017-02-08 | 机械科学研究总院先进制造技术研究中心 | Pulse on-off valve type metal 3D printing device |
| CN106424735A (en) * | 2016-10-12 | 2017-02-22 | 机械科学研究总院先进制造技术研究中心 | Liquid selection type metal 3D (three-dimensional) printing head |
| CN106424734A (en) * | 2016-10-09 | 2017-02-22 | 湖南工业大学 | 3D spray-forming device |
| CN107099674A (en) * | 2017-05-15 | 2017-08-29 | 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 |
| CN107127345A (en) * | 2017-07-04 | 2017-09-05 | 北京工业大学 | A kind of the metal microlayer model manufacture 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 |
| CN108394102A (en) * | 2018-03-05 | 2018-08-14 | 郑州精图三维科技有限公司 | A kind of 3D printer liquid level automatic regulating system |
| CN111716708A (en) * | 2020-08-04 | 2020-09-29 | 佘峰 | Efficient 3D printing device |
| CN111940689A (en) * | 2020-06-24 | 2020-11-17 | 合肥工业大学 | Mold for manufacturing screw rotor through additive technology and using method thereof |
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