CN210025660U - Vacuum mixing extrusion device for modular ceramic 3D printer - Google Patents
Vacuum mixing extrusion device for modular ceramic 3D printer Download PDFInfo
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- CN210025660U CN210025660U CN201920526353.3U CN201920526353U CN210025660U CN 210025660 U CN210025660 U CN 210025660U CN 201920526353 U CN201920526353 U CN 201920526353U CN 210025660 U CN210025660 U CN 210025660U
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Abstract
The utility model belongs to the technical field of material increase manufacturing, in particular to a vacuum mixing extrusion device for a modular ceramic 3D printer, which is characterized in that a mixer is a spiral mixer, a transparent area is arranged at the local part of a casing, a discharge valve is a first three-way valve, one path of outlet of the first three-way valve is communicated with a feed inlet of the spiral mixer through a circulating pipeline, and the circulating pipeline is provided with a circulating valve; be equipped with the pellicle clitellum on the casing, the pellicle clitellum is equipped with the vacuum cover outward, encloses into the vacuum chamber between pellicle clitellum and the vacuum cover. Compared with the prior art, the beneficial effects of the utility model are that: 1) the vacuum material mixing and extruding device has the characteristics of integrating vacuum material mixing and extruding, intermediate links such as filling, compressed air feeding and the like are omitted, and the equipment flow is greatly simplified; 2) the arrangement of the circulating pipeline ensures that the mixing effect of the slurry can meet the related technical requirements. 3) The method is suitable for small-scale production, scientific research, teaching and other tasks, and can be used for freely preparing the slurry with different components according to requirements, and the compatibility is strong.
Description
Technical Field
The utility model belongs to the technical field of the vibration material disk, concretely relates to vacuum compounding extrusion device for modularization pottery 3D printer.
Background
Additive Manufacturing (AM) is commonly known as 3D printing, combines computer-aided design, material processing and forming technologies, and is a Manufacturing technology for Manufacturing solid articles by stacking special metal materials, non-metal materials and medical biomaterials layer by layer in modes of extrusion, sintering, melting, photocuring, spraying and the like through a software and numerical control system on the basis of a digital model file. Compared with the traditional processing mode of removing, cutting and assembling raw materials, the method is a manufacturing method through material accumulation from bottom to top, and is from top to bottom. This enables the manufacture of complex structural components that were previously constrained by conventional manufacturing methods and were not possible.
The Ink Jet Printing (IJP) technology is developed by combining the concept of 3D printing on the basis of the principle of an ink jet printer. The powder is first mixed with various additives and organic matter to form slurry, and the slurry is then sprayed onto carrier gradually by means of ink jet printer to form blank in the designed shape and size. Mixing, filling, printing of traditional IJP printing system are independent respectively, and whole printing process includes the compounding, gets rid of gaseous in the thick liquids, the filling feed tank, gets into through the air compressor machine feed and extrudes the head, accomplish according to the instruction that has set for and print. The method has the following technical problems: 1) the requirement of compressed air for driving the slurry on the viscosity and the fluidity of the slurry causes certain limitation, and high-pressure gas also has certain danger. 2) The whole process is complex, time-consuming and labor-consuming. 3) Because the models of printers manufactured by various manufacturers are different, the requirements of printing in various sizes are difficult to meet.
The utility model discloses a quick ink-jet forming 3D printing device, which comprises a 3D printer body, and also comprises a square raw material box arranged on the 3D printer body, wherein an MCU control chip is arranged in the square raw material box, a stirring device used for stirring raw materials added into the square raw material box, a drying device fixedly arranged on the square raw material box and used for drying the raw materials, and a timer fixedly arranged on the square raw material box are arranged in the square raw material box; and the stirring device, the drying device and the timer are electrically connected with the MCU control chip. The art forming mud is used as a raw material, is input into a spray head after being stirred, and is printed into a specified shape. Because air is inevitably introduced in the stirring process, but no air exhausting step is provided, the shape of the raw material sprayed by the spray head is not uniform, and the final printing and forming effect is influenced.
Disclosure of Invention
The utility model aims at providing a vacuum compounding extrusion device for modularization pottery 3D printer overcomes prior art's is not enough, adopts spiral stirring structure and the ventilative semi-permeable membrane material that blocks water, gets rid of the air of sneaking into in the raw materials through the evacuation at the stirring in-process, and the stirring process is visible, sets up circulation pipeline simultaneously and guarantees that raw materials stirring is even, satisfies the operation requirement.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a vacuum mixing extrusion device for a modular ceramic 3D printer comprises a stirrer, a discharge valve, a flexible pipeline and a spray head, wherein an output port of the stirrer is sequentially connected with the discharge valve, the flexible pipeline and the spray head; be equipped with the pellicle clitellum on the casing, the pellicle clitellum is equipped with the vacuum cover outward, encloses into the vacuum chamber between pellicle clitellum and the vacuum cover, the vacuum cover is through the tube coupling second three-way valve, the extraction opening of exit linkage vacuum pump all the way of second three-way valve, the small-size steam generator of another way exit linkage of second three-way valve.
The transparent area is in the shape of a window or a pipe section.
The semi-permeable membrane ring belt is a hydrophobic tubular ceramic microporous filter membrane element.
The circulating valve is a manual gate valve or a ball valve.
The first three-way valve and/or the second three-way valve are/is a manual valve
The nozzle is convenient to replace and is connected with the spray head in a matching way through a Morse taper conical surface.
The speed of the stirring motor is adjustable.
Compared with the prior art, the beneficial effects of the utility model are that: 1) the vacuum material mixing and extruding integrated machine has the characteristics of integrating vacuum material mixing and extruding, simple structure, easy operation, no intermediate links such as filling, compressed air feeding and the like, greatly simplified equipment flow and reduced power consumption; 2) the arrangement of the circulating pipeline ensures that the mixing effect of the slurry can meet the related technical requirements. 3) The device is suitable for tasks such as small-scale production, scientific research, teaching and the like, can freely prepare slurries with different components according to requirements, is high in compatibility, and can be arranged on printer frames with various sizes.
Drawings
Fig. 1 is the utility model relates to a vacuum compounding extrusion device embodiment structure schematic diagram for modularization pottery 3D printer.
Fig. 2 is a schematic structural view of an embodiment of the showerhead of the present invention.
In the figure: 1-helical agitator, 2-first three-way valve, 3-second three-way valve, 4-flexible pipeline, 5-spray head, 6-machine shell, 7-helical shaft, 8-stirring motor, 9-circulating pipeline, 10-feed inlet, 11-circulating valve, 12-semi-permeable membrane annulus, 13-vacuum cover, 14-vacuum chamber, 15-pipeline, 16-vacuum pump, 17-small steam generator, 18-spray nozzle, 19-shoulder and 20-transparent pipe section.
Detailed Description
The preparation process of the present invention is further illustrated below with reference to the following examples:
in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of the vacuum mixing extrusion device for the modular ceramic 3D printer, which includes a screw mixer 1, a first three-way valve 2, a second three-way valve 3, a flexible pipeline 4, a nozzle 5 and a vacuum pump 16, wherein the screw mixer 1 includes a casing 6 and a screw shaft 7 arranged in the casing, one end of the screw shaft 7 is connected with a mixing motor 8, a part of the casing 6 is a transparent pipe section 20 made of transparent hard plastic, one path of outlet of the first three-way valve 2 is communicated with a feed inlet 10 of the screw mixer through a circulation pipeline 9, and the circulation pipeline 9 is provided with a circulation valve 11; the casing 6 is provided with a semi-permeable membrane ring belt 12, a vacuum cover 13 is arranged outside the semi-permeable membrane ring belt, a vacuum chamber 14 is formed by enclosing the semi-permeable membrane ring belt 12 and the vacuum cover 13, the semi-permeable membrane ring belt 12 is made of a hydrophobic pipe type ceramic microporous filter membrane element, and air in slurry can be sucked out in a vacuum state.
The vacuum cover 13 is connected with the second three-way valve 3 through a pipeline 15, one path of outlet of the second three-way valve 3 is connected with the pumping hole of the vacuum pump 16, and the other path of outlet of the second three-way valve 3 is connected with the small-sized steam generator 17. The nozzle 18 convenient to replace is arranged on the spray head 5, the nozzle 18 is matched and connected with the spray head 5 through the Morse taper conical surface, the Morse taper conical surface can realize enough connecting force, and enough sealing performance can be guaranteed. A shoulder 19 is provided on the nozzle 18 to facilitate removal of the nozzle 18 from the spray head. Stirring motor 1's speed is adjustable, is convenient for match various specification nozzles, provides different extrusion speed, and nozzle 18 can be multiple size specification, can choose for use according to the condition.
The small-sized steam generator 17 is a YQ-3000-F small-sized steam generator manufactured by a certain company. The circulating valve 11 can be a manual gate valve or a ball valve. The first three-way valve 2 and the second three-way valve 3 are both manual valves, and are compact in structure and low in cost.
When the device is used, required raw materials are placed into the feeding hole 10 of the spiral stirrer 1, stirring and mixing are carried out, the mixing effect is observed through the transparent pipe section 20, if the required requirements cannot be met, the circulating valve 11 is opened, slurry is enabled to return to the spiral stirrer 1 through the circulating pipeline 9 to circulate, and after the slurry reaches the required effect, the first three-way valve 2 is operated, and the slurry is enabled to enter the spray head 5 through the flexible pipeline 4. In this process, the vacuum pump 16 and the second three-way valve 3 are always opened, and the gas mixed in the slurry in the screw mixer 1 is discharged through the pipe 15, the second three-way valve 3 and the vacuum pump 16 via the semipermeable membrane annulus 12. The slurry is pushed by the screw shaft 7, and is safer and more stable than the compressed air. When all the slurry is extruded and the operation is finished, the second three-way valve 3 is operated to enable the small-sized steam generator 17 to be communicated with the vacuum chamber 14 through the pipeline 15, and the steam is blown back for 10-30 seconds to complete the cleaning and regeneration of the semi-permeable membrane ring belt 12.
In order to observe the slurry mixing effect, a window-shaped transparent area can be arranged on the casing 6, and the material of the window-shaped transparent area can be glass or transparent hard plastic.
The above-mentioned embodiments are only specific examples selected for the purpose of illustrating the objects, technical solutions and advantages of the present invention in detail, but should not limit the scope of the present invention, and all modifications, equivalent substitutions and improvements made without departing from the spirit and principles of the present invention should fall within the scope of the present invention.
Claims (7)
1. A vacuum mixing extrusion device for a modular ceramic 3D printer comprises a stirrer, a discharge valve, a flexible pipeline and a spray head, wherein an output port of the stirrer is sequentially connected with the discharge valve, the flexible pipeline and the spray head; be equipped with the pellicle clitellum on the casing, the pellicle clitellum is equipped with the vacuum cover outward, encloses into the vacuum chamber between pellicle clitellum and the vacuum cover, the vacuum cover is through the tube coupling second three-way valve, the extraction opening of exit linkage vacuum pump all the way of second three-way valve, the small-size steam generator of another way exit linkage of second three-way valve.
2. The vacuum mixing extrusion device for the modular ceramic 3D printer according to claim 1, wherein the transparent area is a window or a transparent tube section.
3. The vacuum mixing extrusion device for the modular ceramic 3D printer according to claim 1, wherein the semi-permeable membrane annulus is a hydrophobic tubular ceramic microporous filter membrane element.
4. The vacuum mixing extrusion device for the modular ceramic 3D printer according to claim 1, wherein the circulating valve is a manual gate valve or a ball valve.
5. A vacuum mixing extrusion device for a modular ceramic 3D printer according to claim 1, characterized in that the first and/or second three-way valve is a manual valve.
6. The vacuum mixing extrusion device for the modular ceramic 3D printer according to claim 1, wherein the nozzle is provided with a nozzle which is convenient to replace, and the nozzle is connected with the nozzle through a Morse taper conical surface in a matching manner.
7. The vacuum mixing extrusion device for the modular ceramic 3D printer according to claim 1, wherein the speed of the stirring motor is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526353.3U CN210025660U (en) | 2019-04-18 | 2019-04-18 | Vacuum mixing extrusion device for modular ceramic 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920526353.3U CN210025660U (en) | 2019-04-18 | 2019-04-18 | Vacuum mixing extrusion device for modular ceramic 3D printer |
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| Publication Number | Publication Date |
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| CN210025660U true CN210025660U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920526353.3U Active CN210025660U (en) | 2019-04-18 | 2019-04-18 | Vacuum mixing extrusion device for modular ceramic 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290485A (en) * | 2022-01-05 | 2022-04-08 | 东北大学 | Continuous forming device and method for fiber-toughened cement-based composite material product |
-
2019
- 2019-04-18 CN CN201920526353.3U patent/CN210025660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290485A (en) * | 2022-01-05 | 2022-04-08 | 东北大学 | Continuous forming device and method for fiber-toughened cement-based composite material product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220221 Address after: 114001, No. 185, Qianshan Road, hi tech Zone, Liaoning, Anshan Patentee after: Liaoning University of science and Technology Science Park Development Co.,Ltd. Patentee after: Zhang Ling Address before: 114001 No. 185, Qianshan Middle Road, Anshan City, Liaoning Province Patentee before: University of Science and Technology Liaoning |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220428 Address after: 114201 No. 2, Longjiang Road, Haicheng Economic Development Zone, Anshan City, Liaoning Province Patentee after: Liaoning Dongke Magnesium Technology Co.,Ltd. Address before: 114001, No. 185, Qianshan Road, hi tech Zone, Liaoning, Anshan Patentee before: Liaoning University of science and Technology Science Park Development Co.,Ltd. Patentee before: Zhang Ling |