CN204801049U - 3D printing apparatus based on FDM - Google Patents
3D printing apparatus based on FDM Download PDFInfo
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- CN204801049U CN204801049U CN201520195976.9U CN201520195976U CN204801049U CN 204801049 U CN204801049 U CN 204801049U CN 201520195976 U CN201520195976 U CN 201520195976U CN 204801049 U CN204801049 U CN 204801049U
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Abstract
The utility model provides a 3D printing apparatus based on FDM, include: the extruder, have extruder sleeve (5), can rotate extruding screw rod (6) and installing of pay -off in extruder sleeve (5) the extruder sleeve does on (5) primary heater (4) of extruder sleeve (5) heating, the 3D printer has printing shower nozzle (15), installs print shower nozzle heater (16) on shower nozzle (15), wherein, the extruded stock mouth of extruder sleeve (5), through coupling hose (7) with print the pan feeding mouth intercommunication of shower nozzle (15). The utility model discloses it is higher that 3D printing apparatus based on FDM prints efficiency.
Description
Technical field
The utility model relates to a kind of 3D printing device based on FDM.
Background technology
At present, the material that FDM technology can print comprises ABS, poly-carbonic acid vinegar, PLA, polyphenyl alum etc.Compared with other 3D printing technique, FDM uniquely uses technical grade thermoplastic material as the lamination manufacture method of moulding material, the object printed has the characteristics such as Nai Gaore, rotten corrosion resistance chemical substance, antibacterial and anti-intense mechanical stress, be used to manufacture conceptual model, functional mode, even directly manufacture parts and the tool of production.Because its moulding material kind is many, profiled member intensity is high, precision is high, and surface quality is good, be easy to assembling, nuisanceless, the feature such as can to carry out in an office environment, make this technological development very rapid, in the whole world, the share of having installed in rapid forming system is approximately 30% to current FDM.But because needs carry out scanning coating, feed arrangement complexity to whole cross section, molding time is longer, causes FDM printing effect lower, seriously constrains FDM technique 3D printing device promoting the use of in large-scale industry.
Application number is the Chinese patent of 201410083018.2, discloses the 3D printer of a kind of FDM, its do not relate to about in the present invention in order to promote any related art method of printing effect.
Utility model content
For the Related Technical Issues of prior art, the purpose of this utility model is to provide a kind of 3D printing device based on FDM, to solve technical problem lower based on the 3D printing device printing effect of FDM in prior art.
For achieving the above object, the utility model provides a kind of 3D printing device based on FDM, comprise: extruder, described extruder has extruder sleeve, can rotate the extrusion screw rod of feeding in described extruder sleeve and is arranged on the primary heater for described extruder sleeve heating on described extruder sleeve; 3D printer, described 3D printer has printing head and is arranged on the printhead heater on described printing head, and wherein, the extruded stock mouth of described extruder sleeve, is communicated with by the feeding mouth of connecting hose with described printing head.
Preferably, described connecting hose is stainless steel pressure tight metal flexible pipe.
Preferably, extruder also has the charge door being arranged on and described extruder sleeve carrying out feed in raw material, and along the feed direction of described extrusion screw rod, described primary heater is positioned at the downstream of described charge door and is arranged on the lateral wall of described extruder sleeve.
Preferably, described extruder also has extruder drive motor, described extruder drive motor drives described extrusion screw rod to rotate feeding in described extruder sleeve, wherein, described extruder drive motor, described extruder sleeve, described extrusion screw rod are arranged on the extruder base of described extruder, and described extruder base fixes on the ground.
Preferably, described extruder drive motor is set as: after described extruder sleeve is preheating to raw material critical-temperature by described primary heater, described extruder drive motor drives described extrusion screw rod to rotate; Wherein, from the raw material being heated into molten condition by described primary heater of described extruder sleeve, described printing head is delivered to by means of extrusion pressure by described connecting hose; Wherein, described printhead heater is set as: start, to ensure that described printing head temperature maintains described raw material critical-temperature after described printing head discharge outlet has the raw material liq of described molten condition to overflow.
Preferably, described 3D printer also has: X, Y, Z three-axis moving system, and described printing head is successively printed by described X, Y, Z three-axis moving system.
Preferably, described X-axis kinematic system comprises: X-axis tooth bar, X-axis motor, X-axis line rail, X-axis slide block, and wherein said X-axis motor drives described X-axis tooth bar to move in the X-axis direction along described X-axis line rail to drive described X-axis slide block; Described Y-axis kinematic system comprises: Y-axis tooth bar, y-axis motor, Y-axis line rail, Y-axis slide block, slide, described slide is fixed on described Y-axis slide block, and described y-axis motor drives described Y-axis tooth bar to drive described slide to move in the Y-axis direction along described Y-axis line rail by driving described Y-axis slide block; Described Z axis kinematic system comprises: be built in the lifting motor in work box in described 3D printer, described lifting motor drives the worktable lifting of described 3D printer, is in the same face by printing head described in described worktable lifting and printing surface always; Wherein, described X-axis tooth bar, described X-axis motor, described X-axis line rail, described X-axis slide block are arranged on the printer base both sides of described 3D printer respectively, and described X-axis slide block is fixed on described X-axis line rail; Wherein, described y-axis motor, described Y-axis tooth bar, described Y-axis line rail are arranged on described crossbeam respectively, described slide is connected with described crossbeam with the described Y-axis slide block that can slide on described Y-axis line rail by described Y-axis line rail, and described printing head is fixed on described slide.
Preferably, the described 3D printing device based on FDM is used for the manufacture of casting mould.
Compared to prior art, the beneficial effects of the utility model are at least:
(1) the utility model establishes primary heater on extruder sleeve, the extruded stock mouth of extruder sleeve is communicated with by the feeding mouth of connecting hose with the printing head of 3D printer, thus the raw material extruded from extruder sleeve can be made to be molten condition by the heating of primary heater, the raw material extruded from extruder sleeve is delivered to printing head by connecting hose, this makes the utility model alleviate based on the printing operating structure of the 3D printing device of FDM, correspondingly make 3D printing device overall light and handy, thus improve printing effect.
(2) further, in the utility model, slide is connected with the crossbeam of 3D printer with the Y-axis slide block that can slide on Y-axis line rail by Y-axis line rail, printing head is fixed on slide, thus the utility model makes crossbeam overall light and handy, the speed of service is fast, this makes 3D printing device printing effect improve further, and such as printing effect can reach 30kg/h.
(3) because printing effect is high, the utility model is made to be that casting mould sector application 3D printing technique provides more favorably condition.
Accompanying drawing explanation
Fig. 1 is the 3D printing device example view of the utility model based on FDM.
Detailed description of the invention
See accompanying drawing, detailed description of the invention of the present utility model is described below.
See Fig. 1, the utility model comprises based on the 3D printing device of FDM: extruder, 3D printer and connecting hose 7 (also can be referred to as constant temperature delivery hose), wherein connecting hose 7 such as stainless steel pressure tight metal flexible pipe.By connecting hose 7, the feeding mouth of the extruded stock mouth of the extruder sleeve 5 of extruder with the printing head 15 of 3D printer is communicated with.
Specifically, as can be seen from Figure 1, extruder also comprises: the extrusion screw rod 6 that can rotate feeding in extruder sleeve 5 and the primary heater 4 be arranged on for extruder sleeve 5 heating on extruder sleeve 5, and extrusion screw rod 6 rotates can send extruder sleeve 5 by the raw material sending into extruder sleeve 5.The primary heater 4 be arranged on extruder sleeve 5 can work, to make the raw material extruded from extruder sleeve 5 for molten condition.3D printer also has printhead heater 16, and printhead heater 16 is arranged on printing head 15.By the heating of primary heater 4 pairs of extruder sleeves 5, the raw material extruded from extruder sleeve 5 can be made to be fused raw material, when extrusion screw rod 6 rotates, this fused raw material extruded is delivered to printing head 15 by connecting hose 7 due to extrusion pressure.Thus the utility model alleviates based on the printing operating structure of the 3D printing device of FDM, correspondingly make 3D printing device overall light and handy, improve printing effect.
Continue see Fig. 1, extruder also has charge door 3, and charge door 3 is arranged on extruder sleeve 5 and feeds in raw material.When along the feed direction of extrusion screw rod 6, primary heater 4 is positioned at the downstream of charge door 3.Can also as seen from Figure 1, primary heater 4 is arranged on the lateral wall of extruder sleeve 5.
Further, make a more detailed description with reference to figure 1 pair of extruder.In Fig. 1, extruder also has extruder drive motor 2, extruder base 1.Extruder drive motor 2, extruder sleeve 5, extrusion screw rod 6 are arranged on extruder base 1, and extruder base 1 fixes on the ground.Extruder drive motor 2 can drive extrusion screw rod 6 to rotate feeding in extruder sleeve 5.Extruder drive motor 2 can be set as: after extruder sleeve 5 is preheating to raw material critical-temperature by primary heater 4, and extruder drive motor 2 drives extrusion screw rod 6 to rotate.Printhead heater 16 can be set as: start, to ensure that printing head 15 temperature maintains described raw material critical-temperature after printing head 15 discharge outlet has the raw material liq of molten condition to overflow.
The 3D printer of the utility model 3D printing device also has: X, Y, Z three-axis moving system, and printing head 15 is successively printed by X, Y, Z three-axis moving system.
X-axis kinematic system comprises: X-axis tooth bar 9, X-axis motor 10, X-axis line rail 12, X-axis slide block 13, and X-axis tooth bar 9, X-axis motor 10, X-axis line rail 12, X-axis slide block 13 are arranged on printer base 1 both sides respectively.X-axis slide block 13 is fixed on the crossbeam 11 of X-axis line rail (12) 3D printer.X-axis motor 10 drives X-axis tooth bar 9 to move in the X-axis direction along X-axis line rail 12 to drive X-axis slide block 13.In the example of fig. 1, X-direction is the direction perpendicular to paper.
Y-axis kinematic system comprises: Y-axis tooth bar 18, y-axis motor 17, Y-axis line rail 19, Y-axis slide block, slide 14.Y-axis motor 17, Y-axis tooth bar 18, Y-axis line rail 19 are arranged on crossbeam 11 respectively, and slide 14 is fixed on Y-axis slide block, and slide 14 is connected with crossbeam 11 with the Y-axis slide block that can slide on Y-axis line rail 19 by Y-axis line rail 19.Y-axis motor 17 drives Y-axis tooth bar 18 to slide on Y-axis line rail 19 to drive Y-axis slide block, and then drives slide 14 to move in the Y-axis direction along Y-axis line rail 19 by Y-axis slide block.Printing head 15 is fixed on slide 14, thus moves with slide 14.In the example of fig. 1, Y direction is horizontal direction.
Z axis kinematic system comprises: be built in the lifting motor in work box in 3D printer (showing printer base and work box with label 8 in Fig. 1), and lifting motor drives the worktable lifting of 3D printer.In the example of fig. 1, Z-direction is vertical direction.
Also console and electric-control system is shown with label 20 in Fig. 1.
3D printing device based on FDM of the present utility model can be used for the manufacture of casting mould, especially middle-size and small-size casting mould manufacture.
For the ease of understanding the utility model further, the course of work of the 3D printing device based on FDM of the present utility model is described below in conjunction with Fig. 1:
First, complete three-dimensional modeling, and import delamination software layering, generate track operation code.Feed in raw material to charge door 3, then start primary heater 4 pairs of extruder sleeves 5 and carry out preheating; After reaching raw material critical-temperature, start extruder drive motor 2 and drive extrusion screw rod 6 to rotate; Raw material is transported to right-hand member by extrusion screw rod 6 by extruder left end, reaches molten condition gradually in the process by the heating of the primary heater 4 (also can be referred to as extruder heater) of extruder sleeve 5; After raw material reaches molten condition completely, because extruder pressure is delivered to printing head 15 by stainless steel pressure tight metal flexible pipe 7.
After there is molten overflow at printing head 15 place, start printhead heater 16, ensure that printing head 15 constant temperature is in raw material critical-temperature, ensure that printing head 15 does not block.Start track operation code simultaneously, by X, Y, Z three-axis moving system, make shower nozzle by equipment X, Y, Z tri-axle successively print.The wherein built-in lifting motor of work box, after having printed one deck, workbench declines a thickness immediately, ensures that printhead and printing surface are in the same face always.
To sum up, the utility model improves printing effect, for casting mould sector application 3D printing technique provides more favorably condition.The utility model 3D printing device is high speed 3D printing device, and such as print speed can reach 60m/min, and print range can reach 3000mm*2000mm*500mm.Compared with existing FDM equipment, moving beam does not need thread feeding device or extruding and feeding device, and crossbeam is overall light and handy, and the speed of service is fast, and efficiency can reach 30kg/h.
The utility model is applicable to, in the manufacture of the large batch of middle-size and small-size casting mould of few kind, improve production efficiency, reduce equipment cost, has changed the existing production status of casting mould enterprise.This utility model can adopt graininess engineering plastics to utilize extruder to provide molten state raw material for 3D printer, is transported to printing head by constant temperature flexible pipe.
Claims (7)
1., based on a 3D printing device of FDM, it is characterized in that, comprising:
Extruder, has extruder sleeve (5), can rotate the extrusion screw rod (6) of feeding and be arranged on the upper primary heater (4) heated for described extruder sleeve (5) of described extruder sleeve (5) in described extruder sleeve (5);
3D printer, has printing head (15), a printhead heater (16) be arranged on described printing head (15),
Wherein, the extruded stock mouth of described extruder sleeve (5), is communicated with by the feeding mouth of connecting hose (7) with described printing head (15).
2. the 3D printing device based on FDM according to claim 1, is characterized in that,
Described connecting hose (7) is stainless steel pressure tight metal flexible pipe.
3. the 3D printing device based on FDM according to any one of claim 1-2, is characterized in that,
Described extruder also has: be arranged on the charge door (3) described extruder sleeve (5) being carried out feed in raw material,
Along the feed direction of described extrusion screw rod (6), described primary heater (4) is positioned at the downstream of described charge door (3) and is arranged on the lateral wall of described extruder sleeve (5).
4. the 3D printing device based on FDM according to claim 3, is characterized in that,
Described extruder also has extruder drive motor (2), and described extruder drive motor (2) drives described extrusion screw rod (6) to rotate feeding in described extruder sleeve (5),
Wherein, described extruder drive motor (2), described extruder sleeve (5), described extrusion screw rod (6) are arranged on the extruder base (1) of described extruder, and described extruder base (1) fixes on the ground.
5. the 3D printing device based on FDM according to claim 4, is characterized in that,
From the raw material being heated into molten condition by described primary heater (4) of described extruder sleeve (5), be delivered to described printing head (15) by means of extrusion pressure by described connecting hose (7).
6. the 3D printing device based on FDM according to claim 1, is characterized in that,
Described 3D printer also has: X, Y, Z three-axis moving system, and described printing head (15) is successively printed by described X, Y, Z three-axis moving system.
7. the 3D printing device based on FDM according to claim 6, is characterized in that,
Described X-axis kinematic system comprises: X-axis tooth bar (9), X-axis motor (10), X-axis line rail (12), X-axis slide block (13), and wherein said X-axis motor (10) drives described X-axis tooth bar (9) to move in the X-axis direction along described X-axis line rail (12) to drive described X-axis slide block (13);
Described Y-axis kinematic system comprises: Y-axis tooth bar (18), y-axis motor (17), Y-axis line rail (19), Y-axis slide block, slide (14), described slide (14) is fixed on described Y-axis slide block, and described y-axis motor (17) drives described Y-axis tooth bar (18) to drive described slide (14) to move in the Y-axis direction along described Y-axis line rail (19) by driving described Y-axis slide block;
Described Z axis kinematic system comprises: be built in the lifting motor in work box in described 3D printer;
Wherein, described X-axis tooth bar (9), described X-axis motor (10), described X-axis line rail (12), described X-axis slide block (13) are arranged on the printer base both sides of described 3D printer respectively, described X-axis slide block (13) is fixed on described X-axis line rail (12)
Wherein, described y-axis motor (17), described Y-axis tooth bar (18), described Y-axis line rail (19) are arranged on crossbeam (11) respectively, described slide (14) by described Y-axis line rail (19) with can be connected with described crossbeam (11) at the upper described Y-axis slide block that slides of described Y-axis line rail (19), described printing head (15) is fixed on described slide (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195976.9U CN204801049U (en) | 2015-04-02 | 2015-04-02 | 3D printing apparatus based on FDM |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520195976.9U CN204801049U (en) | 2015-04-02 | 2015-04-02 | 3D printing apparatus based on FDM |
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| CN204801049U true CN204801049U (en) | 2015-11-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742375A (en) * | 2015-04-02 | 2015-07-01 | 共享装备有限公司 | 3D printing equipment based on FDM |
| CN108582792A (en) * | 2018-03-27 | 2018-09-28 | 共享智能铸造产业创新中心有限公司 | A method of printing extruded stock inertia compensation for FDM |
-
2015
- 2015-04-02 CN CN201520195976.9U patent/CN204801049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742375A (en) * | 2015-04-02 | 2015-07-01 | 共享装备有限公司 | 3D printing equipment based on FDM |
| CN108582792A (en) * | 2018-03-27 | 2018-09-28 | 共享智能铸造产业创新中心有限公司 | A method of printing extruded stock inertia compensation for FDM |
| CN108582792B (en) * | 2018-03-27 | 2020-07-28 | 共享智能铸造产业创新中心有限公司 | Method for inertial compensation of FDM printing extrusion material |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |