CN209289769U - A kind of straight writing device based on Screw Extrusion - Google Patents
A kind of straight writing device based on Screw Extrusion Download PDFInfo
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- CN209289769U CN209289769U CN201821901789.8U CN201821901789U CN209289769U CN 209289769 U CN209289769 U CN 209289769U CN 201821901789 U CN201821901789 U CN 201821901789U CN 209289769 U CN209289769 U CN 209289769U
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Abstract
The utility model discloses a kind of straight writing device based on Screw Extrusion, including drive motor, shaft coupling, screw-down valve, it is straight to write extruder head and sample injector, mixing chamber is axially provided in the screw-down valve, threaded rod is provided in the mixing chamber, the drive motor is set at the top of the screw-down valve, the drive motor is connect by the shaft coupling with the threaded rod, the sample injector is provided with multiple, each sample injector passes through a feed pipe and is connected to the top of the mixing chamber, the straight writing extruder head is set to the screw-down valve bottom, the straight writing extruder head is connected to the discharge port of the mixing chamber；The advantages of straight writing device disclosed by the utility model based on Screw Extrusion has the real-time mixing for realizing material, improves print quality.
Description
Technical field
The utility model relates to 3D printing technique fields, more particularly to a kind of straight writing device based on Screw Extrusion.
Background technique
3D printing technique also known as increases material manufacturing technology are that one kind is deposited based on Computerized three-dimensional data model and material multilayer
New manufacture, it is different to subtract material manufacture from cutting etc., 3D printing technique by a Spatial three-dimensional dispersion it is discrete be two
Pixel on dimensional plane is completed three-dimensionally shaped by way of successively stacking.
Write-through 3D printing is one of the most common type in numerous 3D printing methods, and since its structure is simple, shaping speed is fast,
The characteristics such as low to material requirement, so that it is widely used at flexible electronic circuit, UV glue, biomaterial, institutional framework and aspect；
But the case where for needing two kinds of components or multicomponent mixing to squeeze out, prior mixed material often occurs in container poly-
Phenomenon is closed, agglomeration or solidification are integrated, and influence print quality.
Summary of the invention
The purpose of the utility model is to provide a kind of straight writing device based on Screw Extrusion, to solve the above-mentioned prior art
There are the problem of, can be realized the real-time mixing of material, improve print quality.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of straight writing device based on Screw Extrusion, including drive motor, shaft coupling, screw rod
Valve directly writes extruder head and sample injector, is axially provided with mixing chamber in the screw-down valve, is provided with screw thread in the mixing chamber
Bar, the drive motor are set at the top of the screw-down valve, and the drive motor is connected by the shaft coupling and the threaded rod
It connecing, the sample injector is provided with multiple, and each sample injector passes through a feed pipe and is connected to the top of the mixing chamber,
The straight writing extruder head is set to the screw-down valve bottom, the straight discharge port company for writing extruder head and the mixing chamber
It is logical.
Preferably, the screw-down valve includes upper valve body and lower valve body, and the top of the threaded rod is non-threaded section, the spiral shell
The top of rasp bar passes through the upper valve body and connect with the shaft coupling, and the mixing chamber is opened in the lower valve body, the spiral shell
Rasp bar bottom is thread segment, and the thread segment of the threaded rod is set in the mixing chamber.
Preferably, a gasket is provided in the contact face of the upper valve body and the lower valve body.
Preferably, the feed pipe is that one end is connected to the mixing chamber, and the other end stretches out in outside the lower valve body
Radial passage, between the feed pipe and the sample injector pass through rigging-angle connector connect.
Preferably, the junction of the rigging-angle connector and the feed pipe is additionally provided with one-way membrane.
Preferably, there are two the sample injector settings, and two sample injectors are centered on the axle center of the screw-down valve
It is symmetrical arranged, the opposite feed pipe is provided with two, and two feed pipes are also with the axle center of the screw-down valve
Center symmetric setting.
Preferably, the threaded rod is at least provided with one.
Preferably, the cavity wall of the discharge port end of the mixing chamber stretches out in the lower valve body, the straight writing extruder head
It is threadedly coupled with the cavity wall.
Preferably, the drive motor is stepper motor.
The utility model achieves following advantageous effects compared with the existing technology:
1, the straight writing device provided by the utility model based on Screw Extrusion, the material of multiple sample injector conveyings is by feeding
In pipeline to mixing chamber, drive motor drives threaded rod rotation, and threaded rod can be in mixing chamber during rotation
Various materials mixed and squeezed out in real time, in turn, under the premise of being uniformly mixed material, guarantee that material will not be because of depositing
It puts agglomeration or solidification is integrated, and then influence print quality.
2, the straight writing device provided by the utility model based on Screw Extrusion, also with installing, simple, dosage is accurate, suitable
With the extensive advantage of property.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the schematic perspective view of the straight writing device based on Screw Extrusion in the utility model；
Fig. 2 is the partial sectional view of the straight writing device based on Screw Extrusion in the utility model；
In figure: 1- drive motor, 2- shaft coupling, 3- screw-down valve, 4- directly write extruder head, 5- sample injector, 6- mixing chamber, 7-
Threaded rod, 8- feed pipe, 9- upper valve body, 10- lower valve body, 11- gasket, 12- rigging-angle connector, 13- one-way membrane.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of straight writing device based on Screw Extrusion, to solve prior art presence
The problem of；
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment one:
Straight writing device provided in this embodiment based on Screw Extrusion, as shown in Figs. 1-2, including drive motor 1, shaft coupling
Device 2, screw-down valve 3 directly write extruder head 4 and sample injector 5, are axially provided with mixing chamber 6 in screw-down valve 3, are provided in mixing chamber 6
Threaded rod 7, drive motor 1 are set to 3 top of screw-down valve, and drive motor 1 is connect by shaft coupling 2 with threaded rod 7, sample injector 5
It is provided with multiple, each sample injector 5 be connected to the top of mixing chamber 6 by a feed pipe 8, straight writing extruder head 4 setting
In 3 bottom of screw-down valve, straight extruder head 4 of writing is connected to the discharge port of mixing chamber 6.
In this specific embodiment, screw-down valve 3 includes dismountable upper valve body 9 and lower valve body 10, and the top of threaded rod 7 is
Non-threaded section, the top of threaded rod 7 passes through upper valve body 9 and connect with shaft coupling 2, and mixing chamber 6 is opened in lower valve body 10, threaded rod
7 bottoms are thread segment, and the thread segment of threaded rod 7 is set in mixing chamber 6.
In order to guarantee the leakproofness between upper valve body 9 and lower valve body 10, in the present embodiment, in upper valve body 9 and lower valve body 10
Contact face on be provided with a gasket 11.
In this specific embodiment, feed pipe 8 is that one end is connected to mixing chamber 6, and the other end stretches out in outside lower valve body 10
The radial passage in portion is connected between feed pipe 8 and sample injector 5 by rigging-angle connector 12；Rigging-angle connector 12 is that a band is straight
The bend pipe at angle is additionally provided with one-way membrane 13 with the junction of feed pipe 8, and the setting of one-way membrane 13 can guarantee that material will not
It is reversely flowed out by mixing chamber 6.
In this specific embodiment, there are two the settings of sample injector 5, and two sample injectors 5 are centered on the axle center of screw-down valve 3
It is symmetrical arranged, opposite feed pipe 8 is provided with two, and two feed pipes 8 are also symmetrically set centered on the axle center of screw-down valve 3
It sets.
For the quantity of threaded rod 7, in the present embodiment, threaded rod 7 is according to the size of mixing chamber 6 at least provided with one.
In this specific embodiment, the cavity wall of the discharge port end of mixing chamber 6 stretches out in lower valve body 10, directly writes extruder head
4 are threadedly coupled with cavity wall.
In this specific embodiment, drive motor 1 is a stepper motor.
The specific work process of straight writing device provided in this embodiment based on Screw Extrusion are as follows: drive motor 1 is opened,
Drive motor 1 drives threaded rod 7 to rotate, and two sample injectors 5 convey material into mixing chamber 6 by feed pipe 8 at this time, and two kinds
Different materials is realized under the agitation of threaded rod 7 in mixing chamber 6 and mixes and squeeze out, and then realizes and squeeze in real time to straight write
The material that 4 offers of lifting one's head mix, by directly writing the syringe needle of extruder head 4 at linear.
It should be noted that the sample injector in the utility model is existing sample introduction equipment, it is practical for its structure sheet new
It is repeated no more in type；The quantity of sample injector is not limited only to 2, and the quantity for the different material that quantity can mix as needed carries out
Flexible setting, when the quantity more than two of sample injector, the circumferentially uniform surrounding for being distributed in screw-down valve；Also, according to sample introduction
The feed pipe for the respective numbers that the quantity setting of device is connected to mixing chamber.
The utility model applies specific case and is expounded to the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up,
The content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of straight writing device based on Screw Extrusion, it is characterised in that: including drive motor, shaft coupling, screw-down valve, straight book
Extruder head and sample injector are write, mixing chamber is axially provided in the screw-down valve, threaded rod, the drive are provided in the mixing chamber
Dynamic motor is set at the top of the screw-down valve, and the drive motor is connect by the shaft coupling with the threaded rod, it is described into
Sample device is provided with multiple, and each sample injector passes through a feed pipe and is connected to the top of the mixing chamber, the straight book
It writes extruder head and is set to the screw-down valve bottom, the straight writing extruder head is connected to the discharge port of the mixing chamber.
2. the straight writing device according to claim 1 based on Screw Extrusion, it is characterised in that: the screw-down valve includes upper
Valve body and lower valve body, the top of the threaded rod are non-threaded section, the top of the threaded rod pass through the upper valve body with it is described
Shaft coupling connection, the mixing chamber are opened in the lower valve body, and the threaded rod bottom is thread segment, the spiral shell of the threaded rod
Line section is set in the mixing chamber.
3. the straight writing device according to claim 2 based on Screw Extrusion, it is characterised in that: the upper valve body and described
A gasket is provided in the contact face of lower valve body.
4. the straight writing device according to claim 3 based on Screw Extrusion, it is characterised in that: the feed pipe is one
End is connected to the mixing chamber, and the other end stretches out in the radial passage outside the lower valve body, the feed pipe with it is described into
It is connected between sample device by rigging-angle connector.
5. the straight writing device according to claim 4 based on Screw Extrusion, it is characterised in that: the rigging-angle connector with
The junction of the feed pipe is additionally provided with one-way membrane.
6. the straight writing device according to claim 5 based on Screw Extrusion, it is characterised in that: the sample injector is provided with
Two, and two sample injectors are symmetrical arranged centered on the axle center of the screw-down valve, opposite feed pipe setting
There are two, two feed pipes are also symmetrical arranged centered on the axle center of the screw-down valve.
7. the straight writing device according to claim 1 based on Screw Extrusion, it is characterised in that: the threaded rod is at least set
It is equipped with one.
8. the straight writing device according to claim 6 based on Screw Extrusion, it is characterised in that: the discharging of the mixing chamber
The cavity wall at mouth end stretches out in the lower valve body, and the straight writing extruder head is threadedly coupled with the cavity wall.
9. the straight writing device according to claim 1 based on Screw Extrusion, it is characterised in that: the drive motor is step
Into motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901789.8U CN209289769U (en) | 2018-11-19 | 2018-11-19 | A kind of straight writing device based on Screw Extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821901789.8U CN209289769U (en) | 2018-11-19 | 2018-11-19 | A kind of straight writing device based on Screw Extrusion |
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| CN209289769U true CN209289769U (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821901789.8U Active CN209289769U (en) | 2018-11-19 | 2018-11-19 | A kind of straight writing device based on Screw Extrusion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169017A (en) * | 2020-01-17 | 2020-05-19 | 南京师范大学 | Continuous-to-separate feeding and discharging system for photocuring 3D printing |
| CN111889312A (en) * | 2020-06-08 | 2020-11-06 | 苏州特瑞特机器人有限公司 | Glue-channeling-preventing double-liquid screw valve |
| CN115141491A (en) * | 2022-06-28 | 2022-10-04 | 中国工程物理研究院化工材料研究所 | Multi-component silica gel suitable for direct-writing 3D printing, mixing device and printing method |
-
2018
- 2018-11-19 CN CN201821901789.8U patent/CN209289769U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169017A (en) * | 2020-01-17 | 2020-05-19 | 南京师范大学 | Continuous-to-separate feeding and discharging system for photocuring 3D printing |
| CN111169017B (en) * | 2020-01-17 | 2021-11-26 | 南京师范大学 | Continuous-to-separate feeding and discharging system for photocuring 3D printing |
| CN111889312A (en) * | 2020-06-08 | 2020-11-06 | 苏州特瑞特机器人有限公司 | Glue-channeling-preventing double-liquid screw valve |
| CN111889312B (en) * | 2020-06-08 | 2021-04-02 | 苏州特瑞特机器人有限公司 | Glue-channeling-preventing double-liquid screw valve |
| CN115141491A (en) * | 2022-06-28 | 2022-10-04 | 中国工程物理研究院化工材料研究所 | Multi-component silica gel suitable for direct-writing 3D printing, mixing device and printing method |
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Effective date of registration: 20220418 Address after: 264006 5, R & D building, Yeda Science Park, No. 300, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: Yantai Zhongke advanced materials and green chemical industry technology Research Institute Address before: 730000 No. 18 Tianshui Middle Road, Chengguan District, Gansu, Lanzhou Patentee before: Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences |