CN106704631B - Selection valve for multifunctional extensible FDM-3D printer external mixer - Google Patents
Selection valve for multifunctional extensible FDM-3D printer external mixer Download PDFInfo
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- CN106704631B CN106704631B CN201710131545.XA CN201710131545A CN106704631B CN 106704631 B CN106704631 B CN 106704631B CN 201710131545 A CN201710131545 A CN 201710131545A CN 106704631 B CN106704631 B CN 106704631B
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- valve block
- block group
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- discharge port
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- 239000000463 material Substances 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 abstract description 11
- 238000007639 printing Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010146 3D printing Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 235000019222 white chocolate Nutrition 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 235000019221 dark chocolate Nutrition 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 235000019219 chocolate Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention provides a selection valve for an external mixer of a multifunctional extensible FDM-3D printer, which comprises at least two valve block groups, wherein each valve block group is connected and controlled by a lifting mechanism, the valve block groups are tightly attached and generate relative sliding along with the lifting mechanism, the valve block groups are communicated in a matching way to form a flow channel and are provided with a feed port, a stop discharge port and a gating discharge port, and each valve block group is provided with a feed port; the stop discharge port and the gating discharge port are arranged on the same valve block group, and the materials which are not required to be mixed temporarily flow into the stop discharge port through the flow channel to stop feeding through the adjustment of the lifting device, and the materials which are required to be mixed flow into the gating discharge port. The selector valve mechanism is applied to the external mixer of the FDM-3D printer, so that the printing of colorful and multi-material of the printer can be realized, the space of the printer is saved by the aid of the design structure, and the existing equipment can be upgraded while the printer is extensible.
Description
Technical Field
The invention belongs to the technical field of FDM-3D printers, and particularly relates to a selector valve for an external mixer of a multifunctional extensible FDM-3D printer.
Background
3D printing is currently being vigorously developed, and the development thereof presents the characteristics of diversified structures and materials. Thereby it is diversified to realize printing material frequently to adopt whole improved mode to upgrade 3D printer wholly at present. This makes the 3D printer modularization development hindered, and is unfavorable for its realization towards modularization direction. Meanwhile, the 3D printing manufacturing technology belongs to a novel manufacturing and production technology, and more technologies can try to be added into the 3D printing process, so that the modular development of 3D printing is further required.
The FDM-3D printer occupies the market mainstream of the desktop machine at present. The structure is simple, the processing cost is low, and the device is popular in the market. A multi-nozzle process is adopted for multicolor printing, and a multi-inlet and one-outlet process is also adopted. But are improvements in the printer as a whole. And often accompanied by scratches and non-extensibility. Above-mentioned improvement can bring not equipment overall structure more complicated on the 3D printer simultaneously, is unfavorable for further development and design.
For a selective discharging device in an FDM-3D printer, an electromagnetic valve is mostly selected to control which colored material is gated, so that the whole printer usually occupies a larger space. The utility model provides a novel selection valve device, can make whole printer structure practice thrift the space, it has scalability concurrently when accomplishing current equipment upgrading, and to the gating of colour material with end to have more convenient form.
Disclosure of Invention
In view of the above, a selection valve for an external mixer of a multifunctional expandable FDM-3D printer is designed to solve the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a selector valve for an external mixer of a multifunctional extensible FDM-3D printer comprises at least two valve block groups, wherein the number of the lifting mechanisms is the same as that of the valve block groups, each valve block group is connected and controlled by one lifting mechanism, the valve block groups are tightly attached and slide relative to each other along with the lifting mechanisms, the valve block groups are communicated in a matched mode to form a flow channel, a feed port, a stop discharge port and a gating discharge port are formed in each valve block group, and one feed port is arranged on each valve block group; the stop discharge port and the gating discharge port are arranged on the same valve block group, and the materials which are not required to be mixed temporarily flow into the stop discharge port through the flow channel to stop feeding through the adjustment of the lifting device, and the materials which are required to be mixed flow into the gating discharge port.
Furthermore, the valve block group comprises a left valve block group, a middle valve block group and a right valve block group, the middle valve block group is arranged between the left valve block group and the right valve block group, the stop discharge port and the gating discharge port are arranged on the middle valve block group, and the stop discharge port and the gating discharge port are arranged on the same side of the middle valve block group.
Furthermore, the right valve block group comprises a valve block A, a valve block B, a valve block C and a valve block D which are sequentially spliced in the vertical direction, a push rod is fixedly connected to the lower end of the valve block A, a flow channel is formed between the valve block B and the valve block C, and the left valve block group and the right valve block group are identical in structure;
the middle valve block group comprises an E valve block, an F valve block, a G valve block and an H valve block which are sequentially spliced in the vertical direction, a push rod is fixedly connected to the lower end of the E valve block, a flow channel is formed between the F valve block and the G valve block, a stop discharge hole is formed between the G valve block and the H valve block, and a gate discharge hole is formed between the F valve block and the G valve block;
the outlet of the left valve block group and the outlet of the right valve block group can be selectively communicated with a stop discharge hole or a gate discharge hole.
Furthermore, the push rods of the left valve block group and the push rods of the right valve block group are single cylindrical rods, the number of the push rods of the middle valve block group is three, the push rods are arranged in a triangular mode, pin holes are formed in the push rods, and the push rods are fixedly connected with the connecting blocks through pins.
Furthermore, a heater port and a temperature sensor port are arranged in the valve block group.
Furthermore, in the left valve block group and the right valve block group, temperature sensor ports are distributed in the valve block A, the valve block B and the valve block D; in the middle valve block group, the temperature sensor ports are distributed in an E valve block, an F valve block and an H valve block.
Furthermore, in the left valve block group and the right valve block group, heater ports are distributed in the valve block A, the valve block B and the valve block D; in the middle valve block group, the temperature sensor ports are distributed in an E valve block, an F valve block and an H valve block.
Furthermore, all the valve blocks in each valve block group are locked through keys and are positioned through positioning pins.
Compared with the prior art, the multifunctional extensible FDM-3D printer external mixer has the following advantages: the selector valve mechanism is applied to the external mixer of the FDM-3D printer, so that the multicolor and multi-material printing of the printer can be realized, the space of the printer is saved by the aid of the design structure, and the printer has expandability while the existing equipment is upgraded.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a rear perspective view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a front view of FIG. 2;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a bottom view of FIG. 4;
FIG. 7 is a schematic diagram of the structure of the right valve block set;
FIG. 8 is an assembled view of FIG. 7;
FIG. 9 is a left side perspective view of FIG. 7;
FIG. 10 is an assembled view of FIG. 9;
FIG. 11 is a schematic diagram of a middle valve block set;
FIG. 12 is an assembled view of FIG. 11;
FIG. 13 is a right side perspective view of FIG. 11;
FIG. 14 is an assembled view of FIG. 13;
description of reference numerals:
1-left valve block group; 2-middle valve block group; 201-E valve block; 202-F valve block; 203-G valve block; 204-H valve block; 3-a right valve block set; 301-A valve block; a 302-B valve block; a 303-C valve block; 304-D valve block; 4-a feed inlet; 5-a push rod; 6-temperature sensor port; 7-a heater port; 8-gating a discharge hole; 9-stopping the discharge hole; 10-an outlet; 11-a locating pin; 12-pin hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 14, a selector valve for an external mixer of a multifunctional expandable FDM-3D printer comprises at least two valve block groups, wherein the number of the lifting mechanisms is the same as that of the valve block groups, each valve block group is connected and controlled by one lifting mechanism, the valve block groups are tightly attached to each other and slide relative to each other along with the lifting mechanisms, the valve block groups are communicated with each other in a matching manner to form a flow channel, and each valve block group is provided with a feed port 4, a stop discharge port 9 and a gate discharge port 8, and each valve block group is provided with one feed port 4; the stop discharge port 9 and the gate discharge port 8 are arranged on the same valve block group, materials which do not need to be mixed temporarily flow into the stop discharge port 9 through the flow channel to stop feeding through the adjustment of the lifting device, and materials which need to be mixed flow into the gate discharge port 8.
The valve block group comprises a left valve block group 1, a middle valve block group 2 and a right valve block group 3, the middle valve block group 2 is arranged between the left valve block group 1 and the right valve block group 3, a stop discharge port 9 and a gate discharge port 8 are arranged on the middle valve block group 2, and the stop discharge port 9 and the gate discharge port 8 are arranged on the same side of the middle valve block group 2.
The right valve block group 3 comprises a valve block A301, a valve block B302, a valve block C303 and a valve block D304 which are sequentially spliced in the vertical direction, the push rod 5 is fixedly connected to the lower end of the valve block A301, a flow channel is formed between the valve block B302 and the valve block C303, and the left valve block group 1 and the right valve block group 3 are identical in structure;
the middle valve block group 2 comprises an E valve block 201, an F valve block 202, a G valve block 203 and an H valve block 204 which are sequentially spliced in the vertical direction, a push rod 5 is fixedly connected to the lower end of the E valve block 201, a flow channel is formed between the F valve block 202 and the G valve block 203, a stop discharge port 9 is arranged between the G valve block 203 and the H valve block 204, and a gate discharge port 8 is arranged between the F valve block 202 and the G valve block 203;
the outlet of the left valve block group 1 and the outlet of the right valve block group 3 can be selectively communicated with a stop discharge port 9 or a gate discharge port 8.
The push rods 5 of the left valve block group 1 and the push rods 5 of the right valve block group 3 are both single cylindrical rods, the push rods 5 of the middle valve block group 2 are three and arranged in a triangular mode, and the push rods 5 are all provided with pin holes 12 used for being connected with a lifting device.
And a heater port 7 and a temperature sensor port 6 are arranged in the valve block group.
In the left valve block group 1 and the right valve block group 3, temperature sensor ports 6 are distributed in an A valve block 301, a B valve block 302 and a D valve block 304; in the middle valve block group 2, the temperature sensor ports 6 are distributed in an E valve block 201, an F valve block 202 and an H valve block 204.
In the left valve block group 1 and the right valve block group 3, the heater ports 7 are distributed in an A valve block 301, a B valve block 302 and a D valve block 304; in the middle valve block group 2, the temperature sensor ports 6 are distributed in an E valve block 201, an F valve block 202 and an H valve block 204.
The valve blocks in each valve block group are locked through keys and are positioned through positioning pins 11.
The heater port 7 is used for placing a heater, and the temperature sensor port 6 is used for placing a temperature sensor which is respectively used for heating and measuring the temperature of the valve block.
When the device is used, the lifting mechanism drives the valve block groups to move in the vertical direction, and the flow direction of the colored materials is adjusted to the stop discharge port 9 or the gate discharge port 8 through the relative displacement between the valve block groups. The feeding amounts of the different colored materials are adjusted by controlling the selection valve.
The device adopts a grinding process to process the selector valve. When in use, the device is arranged in a melt mixing device of an external mixer of a multifunctional extensible FDM-3D printer. The using process is as follows: in the melt mixing device, the material is heated to a specified temperature via a feed device into a selection valve in the melt mixing device. The colored materials which are not required to be mixed temporarily flow into the cut-off discharge hole 9 through the adjustment of the lifting device, and the colored materials which are required to be mixed flow into the gated discharge hole 8 and are fed into the ultrasonic mixing module. The ultrasonic mixing module maintains proper temperature and ultrasonic power so that the materials are mixed uniformly.
Application example 1:
when the PLA material is mixed, the central temperature of the heating and melting chamber is controlled between 190 ℃ and 200 ℃,3 feeding valves are opened, and the temperature of the feeding port and the discharging port is less than 50 ℃. Wherein the wire feeding speed of red and blue is 20mm/s respectively. And stopping feeding the wires of the other colors. Finally, mixed color purple is formed, and the filament outlet speed is 40mm/s.
Application example 2:
when the ABS material is mixed with color, the central temperature of the heating and melting chamber is controlled at 220-230 ℃,3 feeding valves are opened, and the temperature of the feeding port and the discharging port is 60-50 ℃. Wherein the red wire feeding speed is 20mm/s, and the yellow wire feeding speed is 10mm/s. And stopping feeding the wires with the other colors. Finally, the mixed color is red orange, and the filament outlet speed is 30mm/s.
Application example 3:
when the chocolate materials are mixed, the central temperature of the heating and melting chamber is controlled to be 35-39 ℃, and the temperature of the material inlet and the material outlet is controlled to be 30-35 ℃.2 feeding valves are opened, the feeding speed of the medium dark chocolate is 0.05ml/s, the feeding speed of the white chocolate is 0.05mm/s, and the duration is 1min. Then the dark chocolate valve is closed, the dark chocolate feeding is stopped, the white chocolate feeding speed is 0.1mm/s, and the duration is 1min. Then the white chocolate valve is closed, the white chocolate feeding is stopped, the black chocolate feeding speed is 0.1mm/s, and the duration is 1min. Then the initial state of opening 2 feeding valves and the feeding time of the material feeding amount are recovered to be repeated. Finally, gray black and white regularly changing colors are formed.
In addition, the selection valve in the scheme is not limited to be used in an external mixer of the multifunctional extensible FDM-3D printer, and can be used as a valve in other fields.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A selector valve for a multifunctional extensible FDM-3D printer external mixer is characterized in that: the valve block group is closely attached to each other and slides relatively along with the lifting device, the valve block groups are communicated in a matched manner to form a flow channel and are provided with a feed port (4), a stop discharge port (9) and a gating discharge port (8), and each valve block group is provided with one feed port (4); the stop discharge port (9) and the gating discharge port (8) are arranged on the same valve block group, materials which do not need to be mixed temporarily flow into the stop discharge port (9) through a flow channel to stop feeding through the adjustment of a lifting device, and materials which need to be mixed flow into the gating discharge port (8);
the valve block group comprises a left valve block group (1), a middle valve block group (2) and a right valve block group (3), the middle valve block group (2) is arranged between the left valve block group (1) and the right valve block group (3), a stop discharge hole (9) and a gating discharge hole (8) are arranged on the middle valve block group (2), and the stop discharge hole (9) and the gating discharge hole (8) are arranged on the same side of the middle valve block group (2);
the valve blocks in each valve block group are locked through keys and are positioned through positioning pins (11).
2. The selector valve for a multifunctional extensible FDM-3D printer add-on mixer of claim 1 wherein: the right valve block group (3) comprises an A valve block (301), a B valve block (302), a C valve block (303) and a D valve block (304) which are sequentially spliced in the vertical direction, a push rod (5) is fixedly connected to the lower end of the A valve block (301), a flow channel is formed between the B valve block (302) and the C valve block (303), and the left valve block group (1) and the right valve block group (3) are identical in structure;
the middle valve block group (2) comprises an E valve block (201), an F valve block (202), a G valve block (203) and an H valve block (204) which are sequentially spliced in the vertical direction, a push rod (5) is fixedly connected to the lower end of the E valve block (201), a flow channel is formed between the F valve block (202) and the G valve block (203), a stop discharge port (9) is arranged between the G valve block (203) and the H valve block (204), and a gate discharge port (8) is arranged between the F valve block (202) and the G valve block (203);
the outlet of the left valve block group (1) and the outlet of the right valve block group (3) can be selectively communicated with a stop discharge port (9) or a gating discharge port (8).
3. The selector valve for a multifunctional extensible FDM-3D printer add-on mixer of claim 1 wherein: the valve is characterized in that the push rods (5) of the left valve block group (1) and the push rods (5) of the right valve block group (3) are both single cylindrical rods, the number of the push rods (5) of the middle valve block group (2) is three, the push rods are arranged in a triangular mode, and pin holes (12) used for being connected with a lifting device are formed in the push rods (5).
4. The selector valve for a multifunctional expandable FDM-3D printer add-on mixer of claim 2 wherein: a heater port (7) and a temperature sensor port (6) are arranged in the valve block group.
5. The selection valve for a multifunctional extensible FDM-3D printer add-in mixer of claim 3, wherein: in the left valve block group (1) and the right valve block group (3), temperature sensor ports (6) are distributed in an A valve block (301), a B valve block (302) and a D valve block (304); in the middle valve block group (2), the temperature sensor ports (6) are distributed in an E valve block (201), an F valve block (202) and an H valve block (204).
6. The selection valve for a multifunctional extensible FDM-3D printer add-in mixer of claim 5, wherein: in the left valve block group (1) and the right valve block group (3), heater ports (7) are distributed in an A valve block (301), a B valve block (302) and a D valve block (304); in the middle valve block group (2), the temperature sensor ports (6) are distributed in an E valve block (201), an F valve block (202) and an H valve block (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131545.XA CN106704631B (en) | 2017-03-07 | 2017-03-07 | Selection valve for multifunctional extensible FDM-3D printer external mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131545.XA CN106704631B (en) | 2017-03-07 | 2017-03-07 | Selection valve for multifunctional extensible FDM-3D printer external mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704631A CN106704631A (en) | 2017-05-24 |
| CN106704631B true CN106704631B (en) | 2023-03-17 |
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| CN201710131545.XA Active CN106704631B (en) | 2017-03-07 | 2017-03-07 | Selection valve for multifunctional extensible FDM-3D printer external mixer |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2674652B1 (en) * | 2012-06-13 | 2014-12-31 | Festo AG & Co. KG | Valve assembly with pinch valves |
| CN103770334B (en) * | 2014-02-08 | 2015-10-28 | 河南师范大学 | A kind of multicolour 3D printer |
| CN104552963B (en) * | 2014-12-18 | 2017-05-17 | 郑州科技学院 | Extrusion sprayer of color 3D printer |
| CN104552955A (en) * | 2015-01-23 | 2015-04-29 | 青岛尤尼科技有限公司 | Double-color 3D printer and color changing method thereof |
| CN205291591U (en) * | 2015-10-21 | 2016-06-08 | 中山火炬职业技术学院 | Novel multiinjector 3D beats printer head and uses printer head's that deserves beating 3D printer |
| CN105415690A (en) * | 2015-11-12 | 2016-03-23 | 郑州科技学院 | Spray head for full-color three-dimensional printer and printing method |
| CN105479744B (en) * | 2015-12-04 | 2018-05-18 | 哈尔滨工程大学 | A kind of colour 3D printer squeezes out nozzle |
| CN205522521U (en) * | 2016-01-31 | 2016-08-31 | 浙江智源办公设备制造有限公司 | Feed sprinkler structure of colorful type 3D printer |
| CN105835367B (en) * | 2016-05-07 | 2017-12-26 | 浙江大学 | It is a kind of towards independent assortmentization can fast inserted biological 3D printing shower nozzle and its method |
| CN206522473U (en) * | 2017-03-07 | 2017-09-26 | 北京交通大学海滨学院 | Selector valve for the multi-functional expansible external blender of FDM 3D printers |
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2017
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Address after: 061100 Haibin college, Beijing Jiaotong University, 2009 Xueyuan Road, Huanghua City, Cangzhou City, Hebei Province Patentee after: Cangzhou Jiaotong University Address before: 061100 Haibin college, Beijing Jiaotong University, 2009 Xueyuan Road, Huanghua City, Cangzhou City, Hebei Province Patentee before: BEIJING JIAOTONG UNIVERSITY HAIBIN College |
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