CN208148503U - One kind being used for fusion sediment type metal 3D printing ejecting device - Google Patents
One kind being used for fusion sediment type metal 3D printing ejecting device Download PDFInfo
- Publication number
- CN208148503U CN208148503U CN201820594098.1U CN201820594098U CN208148503U CN 208148503 U CN208148503 U CN 208148503U CN 201820594098 U CN201820594098 U CN 201820594098U CN 208148503 U CN208148503 U CN 208148503U
- Authority
- CN
- China
- Prior art keywords
- barrel
- nozzle
- ejecting device
- heating
- printing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses one kind be used for fusion sediment type metal 3D printing ejecting device, including spiral lifting mechanism, material extrusion emitting mechanism be fixedly connected with mechanism；The spiral lifting mechanism includes the worm and worm wheel being engaged by the gear teeth, and the screw rod for passing through screw-driven with the worm gear；The screw end is connect by piston screw rod connecting hole with piston；The material extrusion emitting mechanism includes barrel and nozzle, and threaded mounting hole is arranged in the barrel both ends, and mounting-positioning holes are arranged in the nozzle, and the threaded mounting hole of the barrel lower end is connect in correspondence with each other with the mounting-positioning holes of the nozzle；Heating mantle is set on the barrel, temperature sensor and heating tube are set on the nozzle；The threaded mounting hole of the top of the barrel is fixedly connected with mechanism described in and connect with the spiral lifting mechanism；The mechanism that is fixedly connected is mounted in 3D printing equipment convenient for the 3D printing ejecting device.
Description
Technical field
The utility model relates to 3D printing technique and field of mechanical technique, in particular to a kind of to be used for fusion sediment type metal
3D printing ejecting device.
Background technique
3D printing is to construct object by layer-by-layer printing with the adhesive materials such as powdery metal or plastic
Increasing material art.The 3D printing quick molding method of common direct manufacture metal function part mainly has：Including precinct laser
It is sintered (Selective Laser Sintering, SLS) technology, direct metal laser sintering (Direct Metal
Laser Sintering, DMLS), precinct laser fusion (Selective Laser Melting, SLM) technology, laser near net
(Laser Engineered Net Shaping, the LENS) technology of forming and electron beam selective melting (Electron Beam
Selective Melting, EBSM) technology etc..These methods all use metal powder as moulding material, and to powder
Performance requirement is higher, such as high density, high sphericity, uniform ingredient, this just proposes the manufacture of powder higher
It is required that and these technical costs it is relatively high.
Fusion sediment type 3D printing technique (FDM) major print thermal plastic material.Such as ABS, PC, nylon, and mostly with
Filiform feed.Filamentary material is melted with high temperature, solidifies after being squeezed out by the print head of heating, is finally arranged on solid space
Form three-dimensional real object.The 3D printing of fusion sediment type because simple process, cost is relatively low, without using laser, shaping speed it is very fast due to by
It is widely applied, but cause for example, metallic print material is difficult to liquefy completely for there is also certain deficiencies in terms of metallic print
Conveying and in terms of there are problems.
Utility model content
Technical problem to be solved by the utility model is to provide one kind to be used for fusion sediment type metal 3D printing spray head
Device, to solve the shortcoming mentioned in above-mentioned background technique.
In order to solve the above-mentioned technical problem, it provides the following technical solutions：
One kind be used for fusion sediment type metal 3D printing ejecting device, including spiral lifting mechanism, material extrusion emitting mechanism and
It is fixedly connected with mechanism；The spiral lifting mechanism includes the worm and worm wheel being engaged by the gear teeth, and is passed through with the worm gear
The screw rod of screw-driven；The screw end is connect by piston screw rod connecting hole with piston；The material extrusion emitting mechanism includes
Threaded mounting hole is arranged in barrel and nozzle, the barrel both ends, and mounting-positioning holes, the spiral shell of the barrel lower end is arranged in the nozzle
Line mounting hole is connect in correspondence with each other with the mounting-positioning holes of the nozzle；Heating mantle is set on the barrel, is set on the nozzle
Set temperature sensor and heating tube；The threaded mounting hole of the top of the barrel is fixedly connected with mechanism and the spiral liter by described
Descending mechanism connection；The mechanism that is fixedly connected is mounted in 3D printing equipment convenient for the 3D printing ejecting device.
Spiral lifting mechanism includes worm screw, worm gear, screw rod and piston.The rotation of worm screw drives worm gear rotation, and worm gear turns
It is dynamic to drive screw rod mobile, and then drive the piston being connect with screw end mobile.Barrel both ends are equipped with threaded mounting hole, one end
It is convenient for and is fixedly connected with mechanism for spiral lifting mechanism, the other end is convenient for and the mounting-positioning holes of nozzle connect in correspondence with each other.
Being fixedly connected with mechanism can allow the utility model to be connected in 3D printing equipment.After installation, worm screw is connected to 3D printing equipment
On motor.According to the set procedure, printing 3D equipment sends pulse command and rotates to motor control worm screw, drives worm gear rotation,
The gear of worm and gear, which is mediated, moves and then drives screw rod and its piston connected mobile, realizes to the printed material amount of feeding
It is precisely controlled.
The printed material being previously added in barrel is the feeding that metal powder and binder mix, will not be thorough after heating
Bottom liquefaction, but the thick slurry with certain fluidity is formed, it can be by the propulsion of piston.Printed material is advanced to
It up at nozzle, is heated pipe and further heats, enhance its mobility, so that printed material is easier to squeeze out from nozzle.
Melt the printed material in barrel by heating mantle heats when printing, motor drives worm and gear rotation, and then band
Dynamic screw rod is mobile, so that screw end piston is squeezed printed material in the intracavitary up and down motion of barrel type, so that printed material be made to pass through
Nozzle squeezes out.Printed material after heating has certain viscosity and can sufficiently flow, and printed material can be along predefined paths
Scanning and printing.
After nozzle extrusion, originally thick slurry solidifies rapidly printed material under the cooling of air, forms 3D and beats
Print body.
Preferably, the nozzle is pyramidal structure.
Preferably, the outer surface of piston, the material tube inner wall and the nozzle inner walls polish smooth；Outside the piston
Surface is fitted closely with the material tube inner wall.
Preferably, the heating mantle is tightly tightly placed in the barrel outer wall.
Preferably, the heating mantle and the heating tube form gradient-heated, described in the heating temperature ratio of the heating tube
The heating temperature of heating mantle is high.
Preferably, the heating temperature of the heating mantle is 250 DEG C~270 DEG C, and the heating temperature of the heating tube is 260 DEG C
~270 DEG C.
Preferably, the heating mantle insulation set package.
Different temperature gradients is combined into when heating mantle and nozzle heated particle shape metal powder material to heat material.
Temperature can according to need through program and adjust, and the setting of heating temperature is mainly according to the attribute for the printed material being added
To determine.250 DEG C~270 DEG C of the heating temperature of heating mantle at present, the mainly needle of 260 DEG C~270 DEG C of heating temperature of heating tube
316L stainless steel printed material is set.
Implement the utility model, has the advantages that：
(1) wire feeder for cancelling conventional printhead is changed to worm and gear and pushes piston and then squeeze printed material realization
The purpose of nozzle wire vent.
(2) first material is heated by heating mantle when heating, temperature controls within the scope of 250 DEG C -270 DEG C, in this way may be used
To guarantee that material has certain fluidity, reaches rear nozzle temperature to temperature and be heated to 260 DEG C -270 DEG C, formation temperature gradient,
Smooth it can only be squeezed out when nozzle temperature reaches material in preset range.
Detailed description of the invention
Fig. 1 is the first structural schematic diagram of the utility model；
Fig. 2 is second of structural schematic diagram of the utility model
Fig. 3 is the schematic diagram of internal structure of the spiral lifting mechanism of the utility model；
Fig. 4 is the piston schematic diagram of the utility model；
Fig. 5 is the barrel schematic diagram of the utility model；
Fig. 6 is the nozzle schematic diagram of the utility model；
Wherein, 1- screw rod, 2- spiral lifting mechanism, 3- material extrusion emitting mechanism, 4- nozzle, 5- barrel, 6- piston, 7- are fixed
Bindiny mechanism, 8- worm gear, 9- worm screw, 10- threaded mounting hole, 11- material tube inner wall, 12- outer surface of piston, 13- piston screw rod connect
Connect hole, 14- mounting-positioning holes, 15- nozzle inner walls, 16- temperature sensor, 17- heating tube, 18- heating mantle, 19- muff.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Embodiment 1
As shown in Fig. 1 and Fig. 3~5, the utility model is a kind of for fusion sediment type metal 3D printing ejecting device, packet
It includes spiral lifting mechanism 2, material extrusion emitting mechanism 3 and is fixedly connected with mechanism 7.Spiral lifting mechanism 2 includes being engaged by the gear teeth
Worm screw 9 and worm gear 8, and the screw rod 1 for passing through screw-driven with worm gear 8.1 end of screw rod is by piston screw rod connecting hole 13 and lives
6 connection of plug.The rotation of worm screw 9 drives worm gear 8 to rotate, and the rotation of worm gear 8 drives screw rod 1 mobile, and then drives and move with piston 6
It is dynamic.Material extrusion emitting mechanism includes barrel 5 and nozzle 4, and the mobile material that can be pushed in barrel 5 of piston 6 is flowed to nozzle 4.Material
Threaded mounting hole 10 is arranged in 5 both ends of cylinder, and mounting-positioning holes 14, the threaded mounting hole 10 and nozzle 4 of 5 lower end of barrel is arranged in nozzle 4
Mounting-positioning holes 14 connect in correspondence with each other.Heating mantle 18 is set on barrel 5, temperature sensor 16 and heating are set on nozzle 4
Pipe 17.The heating temperature of heating mantle 18 is 250 DEG C~270 DEG C, it can be ensured that sticky metal charge has certain flowing in barrel 5
Property, it avoids metal charge premature cure and blocks barrel 5.260 DEG C~270 DEG C of the heating temperature of heating tube 17, barrel 5 and nozzle 4
Inside will form temperature gradient and heat to metalliferous material, while guarantee material has mobility in this way, and can facilitate control
The extrusion of material processed.The threaded mounting hole 10 of the top of the barrel is connect by being fixedly connected with mechanism 7 with spiral lifting mechanism 2.It is fixed
Bindiny mechanism 7 is mounted in 3D printing equipment convenient for the 3D printing ejecting device.Nozzle inner walls 15, material tube inner wall 11 and work
The resistance that outer surface 12 generates when being required to polish smooth to reduce material extrusion enables metal charge to flow smooth.Outside piston
Surface 12 is fitted closely with material tube inner wall 11.Nozzle 4 is pyramidal structure, facilitates the extrusion of material.
Embodiment 2
As shown in Figure 2-5, the utility model is a kind of for fusion sediment type metal 3D printing ejecting device, including spiral shell
It revolves elevating mechanism 2, material extrusion emitting mechanism 3 and is fixedly connected with mechanism 7.Spiral lifting mechanism 2 includes the worm screw 9 being engaged by the gear teeth
With worm gear 8, and the screw rod 1 for passing through screw-driven with worm gear 8.1 end of screw rod is connected by piston screw rod connecting hole 13 and piston 6
It connects.The rotation of worm screw 9 drives worm gear 8 to rotate, and the rotation of worm gear 8 drives screw rod 1 mobile, and then drives mobile with piston 6.Material extrusion
Emitting mechanism includes barrel 5 and nozzle 4, and the mobile material that can be pushed in barrel 5 of piston 6 is flowed to nozzle 4.5 both ends of barrel
Threaded mounting hole 10 is set, and mounting-positioning holes 14 are arranged in nozzle 4, and the installation of the threaded mounting hole 10 and nozzle 4 of 5 lower end of barrel is fixed
Position hole 14 connects in correspondence with each other.Heating mantle 18 is set on barrel 5, temperature sensor 16 and heating tube 17 are set on nozzle 4.Heating
The heating temperature of set 18 is 250 DEG C~270 DEG C, it can be ensured that sticky metal charge has certain mobility in barrel 5, avoids gold
Belong to material premature cure and blocks barrel 5.260 DEG C~270 DEG C of the heating temperature of heating tube 17 will form inside barrel 5 and nozzle 4
Temperature gradient heats metalliferous material, while guarantee material has mobility in this way, and can facilitate squeezing for control material
Out.Heating mantle 18 and barrel 5 are tightly wrapped in interior, reduction heat by 18 periphery setting muff 19 of heating mantle, muff 19
The loss of amount.The threaded mounting hole 10 of 5 upper end of barrel is connect by being fixedly connected with mechanism 7 with spiral lifting mechanism 2.It is fixedly connected
Mechanism 7 is mounted in 3D printing equipment convenient for the 3D printing ejecting device.Outside nozzle inner walls 15, material tube inner wall 11 and piston
The resistance that surface 12 generates when being required to polish smooth to reduce material extrusion enables metal charge to flow smooth.Outer surface of piston
12 fit closely with material tube inner wall 11.Nozzle 4 is pyramidal structure, facilitates the extrusion of material.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, therefore equivalent variations made according to the claim of the utility model still belong to what the utility model was covered
Range.
Claims (7)
1. one kind is used for fusion sediment type metal 3D printing ejecting device, which is characterized in that sprayed including spiral lifting mechanism, material extrusion
Out mechanism be fixedly connected with mechanism；The spiral lifting mechanism include by the gear teeth be engaged worm and worm wheel, and with it is described
The screw rod that worm gear passes through screw-driven；The screw end is connect by piston screw rod connecting hole with piston；The material extrusion sprays
Mechanism includes barrel and nozzle, and threaded mounting hole is arranged in the barrel both ends, and mounting-positioning holes, the barrel is arranged in the nozzle
The threaded mounting hole of lower end is connect in correspondence with each other with the mounting-positioning holes of the nozzle；Heating mantle is set on the barrel, it is described
Temperature sensor and heating tube are set on nozzle；The threaded mounting hole of the top of the barrel is fixedly connected with mechanism and institute by described
State spiral lifting mechanism connection；The mechanism that is fixedly connected is mounted in 3D printing equipment convenient for the 3D printing ejecting device.
2. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that the nozzle is
Pyramidal structure.
3. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that outside the piston
Surface, the material tube inner wall and the nozzle inner walls polish smooth；The outer surface of piston is closely pasted with the material tube inner wall
It closes.
4. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that the heating mantle
Tightly it is tightly placed in the barrel outer wall.
5. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that the heating mantle
Gradient-heated is formed with the heating tube, the heating temperature of the heating tube is higher than the heating temperature of the heating mantle.
6. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that the heating mantle
Heating temperature be 250 DEG C~270 DEG C, the heating temperature of the heating tube is 260 DEG C~270 DEG C.
7. being used for fusion sediment type metal 3D printing ejecting device according to claim 1, which is characterized in that the heating mantle
Insulation set package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594098.1U CN208148503U (en) | 2018-04-24 | 2018-04-24 | One kind being used for fusion sediment type metal 3D printing ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594098.1U CN208148503U (en) | 2018-04-24 | 2018-04-24 | One kind being used for fusion sediment type metal 3D printing ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208148503U true CN208148503U (en) | 2018-11-27 |
Family
ID=64376596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820594098.1U Expired - Fee Related CN208148503U (en) | 2018-04-24 | 2018-04-24 | One kind being used for fusion sediment type metal 3D printing ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208148503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086212A (en) * | 2019-12-25 | 2020-05-01 | 杭州喜马拉雅信息科技有限公司 | Compound 3D beats printer head |
-
2018
- 2018-04-24 CN CN201820594098.1U patent/CN208148503U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111086212A (en) * | 2019-12-25 | 2020-05-01 | 杭州喜马拉雅信息科技有限公司 | Compound 3D beats printer head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108436089A (en) | A kind of gradient-heated ejecting device for fusion sediment type metal 3D printing | |
| CN204505858U (en) | Particle feed screw extrusion 3 D-printing ejecting device | |
| US11110519B2 (en) | Metal three-dimensional printer | |
| CN104875389B (en) | Three-dimensional printer and printing method and three-dimensional printing head | |
| CN103862046B (en) | A kind of electromagnetism modulation melting emitter | |
| CN208133606U (en) | A kind of slurry 3D printing spray head of continuous extruded type | |
| CN104552944A (en) | 3D printing dispensing extruding device capable of realizing online alloying | |
| CN108817397B (en) | Additive manufacturing device and method | |
| CN105459397A (en) | Leak-proof spraying head for fused deposition molding of 3D (Three-Dimensional) printer | |
| CN108067619A (en) | Three-dimensional printer, the forming method of three-dimensional printer and metal three-dimensional body | |
| CN204844867U (en) | Three -dimensional inkjet printer and three -dimensional printer head that beats | |
| CN208148503U (en) | One kind being used for fusion sediment type metal 3D printing ejecting device | |
| CN106827443A (en) | A kind of short carbon fiber reinforced high temperature glutinous thermoplastic rapid shaping screw extrusion apparatus high | |
| CN108788157A (en) | A kind of increasing material manufacturing device and method | |
| CN107470626A (en) | A kind of 3D printing method | |
| WO2020259140A1 (en) | Composite extrusion 3d printing nozzle and 3d printer | |
| CN204217792U (en) | Food printer heating system and the food printer printed for chocolate | |
| CN106077563A (en) | Liquid metal die casting machine and pressure casting method | |
| CN108817395B (en) | Additive manufacturing device and method | |
| CN205884607U (en) | Food 3D printer beat printer head | |
| CN107847306A (en) | The method for preparing dental articles | |
| CN110126236A (en) | Diameter progressive screw and the thermoplastic granulates material molten extrusion device for using diameter progressive screw | |
| CN110421851A (en) | A kind of novel printing speed spray head | |
| CN105196545B (en) | The method that polymer three-dimensional prints product bonding quality is improved using instant adhesive | |
| CN110450402A (en) | A kind of bi-material layers 3D printing extrusion device and its application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20210424 |