CN207296425U - A kind of material extrusion device for being used to build 3D printer - Google Patents
A kind of material extrusion device for being used to build 3D printer Download PDFInfo
- Publication number
- CN207296425U CN207296425U CN201720852340.6U CN201720852340U CN207296425U CN 207296425 U CN207296425 U CN 207296425U CN 201720852340 U CN201720852340 U CN 201720852340U CN 207296425 U CN207296425 U CN 207296425U
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- China
- Prior art keywords
- extrusion
- build
- helical axis
- pedestal
- bucket
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of material extrusion device for being used to build 3D printer, including pedestal, driving motor, feeding mechanism, transmission mechanism, rabbling mechanism and extrusion mechanism；Driving motor, feeding mechanism, transmission mechanism and rabbling mechanism are set gradually on the pedestal, pass through driving motor supplies power, fed intake by feeding mechanism, raw material passes through extrusion mechanism extrusion molding after transmission mechanism is conveyed, rabbling mechanism is stirred successively；By this programme, can realize can be printed after continuously being directly extruded from raw material cement, make whole process convenient and efficient, and device is simple and practical, easy to universalness.
Description
Technical field
The utility model belongs to 3D printing building field, more particularly to a kind of material extrusion dress for being used to build 3D printer
Put.
Background technology
3D printing building is exactly a kind of according to the architectural drawing program being pre-designed, and with private print ink, passes through machine
It is that equipment automated intelligent prints, reach building construction criteria and with utility function building.Specifically, it is by coagulation
Native component carries out 3D modeling and segmentation generation three-dimensional information using computer, then by prepared concrete mix by squeezing
Go out device, according to the program set, by Mechanical course, printed by nozzle extrusion, finally obtain concrete component i.e.
Shaping building.
Although 3D printing building compared to traditional architecture have intensity is high, construction style freely, the building time, the feature of environmental protection,
The advantage of several big protrusions such as energy saving, but as a kind of new technique for being currently under the research and development trial period, inevitably deposit
Raw material require high, precision difficulty control and printing device falls behind the problems such as.Can't currently used for building 3D printer
Fully meet the requirement of the particularity of its application environment.How under the premise of the rheological characteristic and plasticity of concrete material is ensured,
It is stirred for, extrudes and printing shaping, is all problem to be solved in the prior art.
The content of the invention
To solve the above-mentioned problems, the utility model is using a kind of material extrusion device for being used to build 3D printer, energy
It is enough that existing 3D printing technique is improved, realize and continuously directly extruded from raw material cement, it is convenient and efficient and simple and practical, just
In universalness.
Adopt the following technical scheme that for this：A kind of material extrusion device for being used to build 3D printer, it is characterised in that：
Described device includes pedestal, driving motor, feeding mechanism, transmission mechanism, rabbling mechanism and extrusion mechanism；On the pedestal successively
If centrally-mounted driving, feeding mechanism, transmission mechanism and rabbling mechanism, by driving motor supplies power, carried out by feeding mechanism
Feed intake, raw material passes through extrusion mechanism extrusion molding after transmitting, stirring successively；
The feeding mechanism includes a flared storehouse that feeds intake, and the orlop that feeds intake end is equipped with screw conveyor, screw conveyor
It is fixed on by rack on pedestal, rack is equipped with the internal conveying chamber with cavity, is equipped with conveying chamber defeated for stirring
The helical axis sent, before the helical axis, stage casing is hollow-core construction, and some be communicated in conveying chamber set on helical axis
Through hole, the inner via hole are evenly distributed with centered on helical axis around axis；The rear end of helical axis passes through one driving motor of shaft coupling connection, institute
Driving motor is stated to be installed on pedestal by a bracket；
The transmission mechanism includes screw pump, and the screw pump includes the hollow pump housing and transmission shaft, in screw pump and spiral shell
Be equipped with a coupling body between rotation conveyer, be equipped with a hollow coupling rod in the coupling body, the connecting shaft rod rear end and
The front end socket of helical axis, coupling rod front end is connected by the rear end of a universal joint and transmission shaft；Also open on the pump housing top
If a connector, the connector connects a return duct by flange face, and the port of export of the return duct is communicated in the storehouse that feeds intake, and returns
The input end of flow tube is equipped with a return valve；
The rabbling mechanism includes the stent being fixed on pedestal, and stent is equipped with stator, and the stator interior is equipped with double
Spiral cavity, is internally provided with rotor, the rotor is single thread bar, the single thread bar and double end in stator cavity
Spiral cavity is meshed；The rotor rear end is connected by universal joint with the transmission shaft front end of screw pump；Stator exterior
Equipped with sleeve；The transmission mechanism further includes a three-way connection, and the first interface of three-way connection is connected to stator by flange ring
Front end exit, the second interface of three-way connection connects a reverse stream pipe and is equipped with an adverse current valve in junction, three-way connection
3rd interface connecting conveying pipe and junction be equipped with one conveying valve；
The extrusion mechanism includes extruding pipe and print components, one end connecting conveying pipe of extruding pipe, and other end connection is beaten
Component is printed, the print components are fixed by an installing plate；The print components include an extrusion bucket, and the connection of extrusion bucket upper end is squeezed
Outlet pipe, extrusion bucket bottom are equipped with a printhead；Progressive bar is equipped with the extrusion bucket, one-way spiral is equipped with vertically on progressive bar
A gear is fixed in blade, progressive bar upper end, and the gear connects a stepper motor by a travelling gear being meshed.
Further, the helical axis in the screw conveyor is single pole helical axis, and the helical axis is equipped with unidirectional twist
Imperial blade.
Further, the front end of the helical axis is equipped with Gask-O-Seal.
Further, the installing plate of the print components is polyether-ether-ketone material, has heat insulating function.
Further, the extrusion bucket of the print components is externally provided with a pressure sensor and dial gauge, and the sensor leads to
Cross wireless signal and be connected to control and monitor console.
Further, heating rod and temperature sensor are equipped with the extrusion bucket of the print components.
Further, the gear of the progressive bar upper end of the print components is fan-shaped right angle gear.
Further, it is equipped with high-temperature resistant seal ring between the extrusion bucket and printhead.
Further, the printhead lower end is equipped with shape tube.
During work, raw material is fed by the storehouse that feeds intake first, is tentatively stirred by the screw conveyor at the orlop end that feeds intake
Mix, then under the driving of driving motor, by the inner via hole on helical axis by the feedstock transportation after stirring to coupling body, then lead to
Cross screw pump to be conveyed, be delivered to after agitating device by the cooperation of rotor and stator, raw material is again stirring for, and by defeated
Pipe to extrusion mechanism is sent to be printed.Wherein, feed intake stirring and transmission use Serve Motor Control, detectable rotation torque, root
The rotating speed of motor is controlled according to the torque of motor, so as to indirectly control uninterrupted, motor reversal can make more in cavity
Remaining raw material is back in the storehouse that feeds intake, and is cleaned when not using in whole transmission pipeline and is also functioned to reflux effect.In transmission mechanism
The connector on pump housing top, can also do overfall use, at the same time as second of material access port of blend composition, easy to test more
A variety of consumptive materials, have Valve controlling break-make and flow on connector；During screw rod pump work, material is put into mixer after being inhaled into
Structure, since screw rod is constant speed rotation, so it is also uniform that material, which goes out flow,.Progressive bar upper end is that fan-shaped right angle gear connects
Connect, stepper motor rotates progressive bar by gear drive and is stirred, so as to ensure to print the mobility of raw material in the duct, no
As for bonding, extrusion bucket is externally provided with pressure sensor and dial gauge, easy to detect and the flow of controlling transmission system.Extrude in bucket
Equipped with heating rod and temperature sensor, avoid being influenced by printing environment and raw material is solidified or is extruded difficult.Printhead lower end fills
There is the shape tube that tape spool rotates, can be automatically adjusted and turned to according to the movement locus of printhead, beneficial to the finish of printing layer surface
And the uniformity of thickness, while different style printheads can be replaced.By this programme, can realize continuously straight from raw material cement
It can be printed after connecing extrusion, make whole process convenient and efficient, device is simple and practical, easy to universalness.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the sectional side view of the utility model.
Fig. 3 is the schematic diagram of the utility model print components.
Fig. 4 is the sectional view of the utility model print components.
Embodiment
Referring to attached drawing.The present embodiment includes pedestal 1, servomotor 2, feeding mechanism 3, transmission mechanism 4,5 and of rabbling mechanism
Extrusion mechanism 6；Driving motor, feeding mechanism, transmission mechanism and rabbling mechanism are set gradually on the pedestal, passes through servomotor
Power is provided, is fed intake by feeding mechanism, raw material passes through extrusion mechanism extrusion molding after transmitting, stirring successively；It is described
Feeding mechanism includes a flared storehouse 7 that feeds intake, and the orlop that feeds intake end is equipped with screw conveyor 8, and screw conveyor is solid by rack 9
It is scheduled on pedestal, rack is equipped with the internal conveying chamber 10 with cavity, is equipped with conveying chamber and is used to stir the spiral of conveying
Axis 11, before the helical axis, stage casing be hollow-core construction, the front end of the helical axis is equipped with Gask-O-Seal, and spiral
Some inner via holes 12 for being communicated in conveying chamber are set on axis, the inner via hole is evenly distributed with centered on helical axis around axis；The spiral transferring
It is single pole helical axis to send the helical axis in machine, and helical axis is equipped with unidirectional packing auger blade 13；The rear end of helical axis passes through shaft coupling
A servomotor 2 is connected, the servomotor is installed on pedestal 1 by a bracket 14；The transmission mechanism includes screw pump
15, the screw pump includes the hollow pump housing 16 and transmission shaft 17, and an axle-linked machine is equipped between screw pump and screw conveyor
Structure 18, the coupling body is interior to be equipped with a hollow coupling rod 181, and the front end socket of the connecting shaft rod rear end and helical axis, connects
Axostylus axostyle front end is connected by a universal joint 19 with the rear end of transmission shaft；The pump housing top also opens up a connector 20, described
Connector connects a return duct 22 by flange face 21, and the port of export of the return duct is communicated in the storehouse that feeds intake, the import of return duct
End is equipped with a return valve 23；The rabbling mechanism includes the stent 24 being fixed on pedestal, and stent is equipped with stator 25, described
Stator interior is equipped with the cavity of twin-feed spiral, is internally provided with rotor 26 in stator cavity, the rotor is single thread bar, described
Single thread bar is meshed with the cavity of twin-feed spiral；Before the spiral rod rear end is by universal joint and screw rod pump drive shaft
End is connected；Stator exterior is equipped with sleeve 27；The transmission mechanism further includes a three-way connection 28, the first interface of three-way connection
The front end exit of stator is connected to by flange ring, the second interface of three-way connection connects a reverse stream pipe 29 and is equipped with junction
One adverse current valve 30, the 3rd interface connecting conveying pipe 31 of three-way connection and junction be equipped with one conveying valve 32；It is described to squeeze
Going out mechanism includes extruding pipe 33 and print components 34, one end connecting conveying pipe 31 of extruding pipe 33, other end connection print components
34, print components are fixed by the installing plate 40 of a polyether-ether-ketone material；The print components include an extrusion bucket 35, extrude bucket
Upper end connects extruding pipe, and extrusion bucket bottom is equipped with a printhead 37；Progressive bar 36 is equipped with the extrusion bucket, along axis on progressive bar
To equipped with one-way spiral blade, a gear 38 is fixed in progressive bar upper end, and the gear is connected by a travelling gear being meshed
One stepper motor 39.The extrusion bucket of the print components is externally provided with a pressure sensor and dial gauge 41, and the sensor passes through
Wireless signal is connected to control and monitor console；Heating rod and temperature sensor are equipped with extrusion bucket；The gear 38 of the progressive bar upper end is
Fan-shaped right angle gear；High-temperature resistant seal ring 42 is equipped between extrusion bucket and printhead；37 lower end of printhead is equipped with tape spool
The shape tube 43 of rotation.
Claims (8)
- A kind of 1. material extrusion device for being used to build 3D printer, it is characterised in that：Described device includes pedestal, driving electricity Machine, feeding mechanism, transmission mechanism, rabbling mechanism and extrusion mechanism；Set gradually on the pedestal driving motor, feeding mechanism, Transmission mechanism and rabbling mechanism, by driving motor supplies power, are fed intake by feeding mechanism, raw material successively by transmission, Pass through extrusion mechanism extrusion molding after stirring；The feeding mechanism includes a flared storehouse that feeds intake, and the orlop that feeds intake end is equipped with screw conveyor, and screw conveyor passes through Rack is fixed on pedestal, and rack is equipped with the internal conveying chamber with cavity, is equipped with conveying chamber and is used to stir conveying Helical axis, before the helical axis, stage casing is hollow-core construction, and sets some be communicated in conveying chamber on helical axis and lead to Hole, the inner via hole are evenly distributed with centered on helical axis around axis；The rear end of helical axis is described by one driving motor of shaft coupling connection Motor is driven to be installed on by a bracket on pedestal；The transmission mechanism includes screw pump, and the screw pump includes the hollow pump housing and transmission shaft, in screw pump and spiral transferring Send and a coupling body be equipped between machine, be equipped with a hollow coupling rod in the coupling body, the connecting shaft rod rear end with it is spiral The front end socket of axis, coupling rod front end is connected by the rear end of a universal joint and transmission shaft；The pump housing top also opens up one Connector, the connector connect a return duct by flange face, and the port of export of the return duct is communicated in the storehouse that feeds intake, return duct Input end be equipped with a return valve；The rabbling mechanism includes the stent being fixed on pedestal, and stent is equipped with stator, and the stator interior is equipped with double end spiral shell The cavity of rotation, rotor is internally provided with stator cavity, and the rotor is single thread bar, the single thread bar and twin-feed spiral Cavity be meshed；The rotor rear end is connected by universal joint with the transmission shaft front end of screw pump；Stator exterior is equipped with Sleeve；The transmission mechanism further includes a three-way connection, before the first interface of three-way connection is connected to stator by flange ring Mouth is brought out, the second interface of three-way connection connects a reverse stream pipe and an adverse current valve is equipped with junction, and the 3rd of three-way connection the Interface connecting conveying pipe and junction be equipped with one conveying valve；The extrusion mechanism includes extruding pipe and print components, one end connecting conveying pipe of extruding pipe, other end connection printing group Part, the print components are fixed by an installing plate；The print components include an extrusion bucket, extrusion bucket upper end connection extrusion Pipe, extrusion bucket bottom are equipped with a printhead；Progressive bar is equipped with the extrusion bucket, one-way spiral leaf is equipped with vertically on progressive bar A gear is fixed in piece, progressive bar upper end, and the gear connects a stepper motor by a travelling gear being meshed.
- A kind of 2. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：The spiral shell The helical axis revolved in conveyer is single pole helical axis, and the helical axis is equipped with unidirectional packing auger blade.
- 3. according to a kind of material extrusion device for being used to build 3D printer described in claim 1 or 2, it is characterised in that：Institute The front end for stating helical axis is equipped with Gask-O-Seal.
- A kind of 4. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：It is described to beat The installing plate for printing component is polyether-ether-ketone material, has heat insulating function.
- A kind of 5. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：It is described to beat The extrusion bucket of print component is externally provided with a pressure sensor and dial gauge, and the sensor is connected to control and monitor console by wireless signal.
- A kind of 6. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：It is described to beat Print in the extrusion bucket of component and be equipped with heating rod and temperature sensor.
- A kind of 7. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：It is described to beat The gear for printing the progressive bar upper end of component is fan-shaped right angle gear.
- A kind of 8. material extrusion device for being used to build 3D printer described in accordance with the claim 1, it is characterised in that：It is described to squeeze Go out and high-temperature resistant seal ring is equipped between bucket and printhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852340.6U CN207296425U (en) | 2017-07-14 | 2017-07-14 | A kind of material extrusion device for being used to build 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720852340.6U CN207296425U (en) | 2017-07-14 | 2017-07-14 | A kind of material extrusion device for being used to build 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207296425U true CN207296425U (en) | 2018-05-01 |
Family
ID=62451064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720852340.6U Expired - Fee Related CN207296425U (en) | 2017-07-14 | 2017-07-14 | A kind of material extrusion device for being used to build 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207296425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299763A (en) * | 2017-07-14 | 2017-10-27 | 浙江富瑞三维科技有限公司 | A kind of material extrusion device for being used to build 3D printer |
| CN109676746A (en) * | 2019-01-21 | 2019-04-26 | 石家庄铁道大学 | 3D printing device based on mechanical arm |
-
2017
- 2017-07-14 CN CN201720852340.6U patent/CN207296425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299763A (en) * | 2017-07-14 | 2017-10-27 | 浙江富瑞三维科技有限公司 | A kind of material extrusion device for being used to build 3D printer |
| CN109676746A (en) * | 2019-01-21 | 2019-04-26 | 石家庄铁道大学 | 3D printing device based on mechanical arm |
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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: 20180501 Termination date: 20190714 |