CN201333797Y - Micro plunger-type extrusion system used for melt accumulation quick forming - Google Patents
Micro plunger-type extrusion system used for melt accumulation quick forming Download PDFInfo
- Publication number
- CN201333797Y CN201333797Y CNU2008202063429U CN200820206342U CN201333797Y CN 201333797 Y CN201333797 Y CN 201333797Y CN U2008202063429 U CNU2008202063429 U CN U2008202063429U CN 200820206342 U CN200820206342 U CN 200820206342U CN 201333797 Y CN201333797 Y CN 201333797Y
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- plunger type
- extrusion system
- wire feeder
- nozzle
- rapid shaping
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Abstract
The utility model discloses a micro plunger-type extrusion system used for melt accumulation quick forming. The system comprises a base and plunger-type jet heads arranged on the base; the amount of plunger-type jet heads are two, and each plunger-type jet head comprises a wire feeder, a driving mechanism, a plunger-type material barrel, a nozzle and a heating element; the heating element is arranged on the plunger-type material barrel, the wire feeder is toward the rear end of the plunger-type material barrel, the wire feeder is driven by the driving mechanism, and the nozzle is arranged at the front end of the plunger-type material barrel. In the system, the wire material can be continuously and stably fed and plasticized to a melting state; the automatic lifting conversion of the working jet head and the non-working jet can be realized; and two wire materials can be used as raw materials to conduct quick forming at the same time.
Description
Technical field
The utility model patent relates to a kind of miniature plunger type extrusion system that is used for silk material fused deposition rapid shaping.
Background technology
At present, the raw material that is used for the fused deposition quick shaping process is mainly plastics silk material (diameter is about 1.8mm), promptly adopts silk material feeding manner.The fused deposition quick shaping process need add support when making cantilever part.Support can be built with commaterial, and only need a shower nozzle this moment, promptly in forming process, can control the speed of service of shower nozzle by control system, makes that supporting the material part becomes comparatively loose, thereby reaches the purpose of being convenient to peel off and accelerate shaping speed.But adopt single shower nozzle to have following shortcoming, that is: because cast material and backing material all are commaterials, and color is identical, even the density difference is difficult to recognize and be difficult to peel off at boundary; In addition, when backing material is peeled off, easily profiled member is caused damage.
Summary of the invention
The purpose of this utility model is to provide a kind of extrusion system that is used for the fused deposition rapid shaping, the rapid shaping that the utility model can be a raw material with two kinds of silk material simultaneously.
The technical scheme that the utility model patent is adopted is:
A kind of miniature plunger type extrusion system that is used for the fused deposition rapid shaping, this system comprises pedestal and is located at plunger type shower nozzle on the pedestal, aforementioned plunger type shower nozzle is two, and each plunger type shower nozzle comprises wire feeder, driving mechanism, plunger type barrel, nozzle and heating element heater, heating element heater is located on the plunger type barrel, wire feeder is towards the rear end of plunger type barrel, and wire feeder is by drive mechanism, and nozzle is located at the front end of plunger type barrel.
The utility model adopts two plunger type barrels, when one of them shower nozzle work, another shower nozzle quits work, that is: under the driving effect of first driving mechanism, first wire feeder is sent to the silk material in the plunger type barrel, and after becoming molten condition under the heating element heater effect, melting charge is sprayed from nozzle by the silk material extruding back of rear end; First driving mechanism after hours, second driving mechanism started working in the same way, so repeatedly.The utility model has been owing to adopted two nozzle structures, the rapid shaping that to go for two kinds of silk material be raw material.
Be provided with rotating shaft on described pedestal, connect lever and be located on the described pedestal by this rotating shaft activity, described two nozzles lay respectively at the two ends of this connection lever; Described nozzle both sides are provided with positive stop lug boss, and this positive stop lug boss flexibly connects with the described end that is connected lever; The front end of described plunger type barrel and described nozzle are slidingly matched, and both in axial direction slide relatively.Owing to connect the connection effect of lever, can utilize two independently the effect of wire feeder realize the automatic lifting conversion of main jet and inoperative nozzle, promptly two nozzles work alone respectively, another nozzle lifts automatically when a nozzle operation, avoid the nozzle of inoperative shower nozzle that working sections is produced interference, also avoid the nozzle of inoperative shower nozzle to form wire drawing because of the material that touching has applied, influence the surface of shaped parts quality, make that the working stability of system is reliable, reduce the complexity of rapid shaping post processing greatly and improve surface quality of products.Because the heat transfer effect of lever can also realize that heat energy is shared, reduces energy consumption.
Described wire feeder comprises two drive rolls, two driven vollers, the axial connecting line of the axial connecting line of two drive rolls, two driven vollers is all parallel with the axis of described plunger type barrel, and drive roll, driven voller lay respectively at two opposite sides of described plunger type barrel axial line; Outer surface at two drive rolls is provided with first transport tape, is provided with second transport tape at the outer surface of two driven vollers, and first transport tape, the both sides that second transport tape is relative form the wire feed passage.When work, in the wire feed passage between silk material insertion drive roll and the driven voller, driving mechanism drives drive roll and rotates, and driven voller is and then servo-actuated also; Because first transport tape and second transport tape are set, the frictional resistance of silk material in transport process increases, and transmits more steady.
Described wire feeder also includes adjustment screw, compresses spring, installing rack, described two driven vollers are located on the installing rack, described adjustment screw is located on the pedestal, compresses spring and is located between adjustment screw and the installing rack, and described two drive rolls are located on the described pedestal.Can regulate the position of installing rack by adjustment screw, and then regulate first transport tape and second transport tape and act on pressure on the silk material.
Described driving mechanism is a motor, and two corresponding motors of described plunger type shower nozzle are independent separately, and are electrically connected with control circuit respectively.The clearance-type mode of operation of two plunger type shower nozzles is to finish by the independent operating of two motors, when being one of them machine operation, by wire feeder to plunger type barrel wire feed, the silk material of fusion sprays by nozzle, and another motor is out of service, and the nozzle of another shower nozzle is connected lever and lifts.
Be provided with thermal insulation board between described wire feeder and described heating element heater, this thermal insulation board can avoid the heat of heating element heater to wire feeder one side transmission, avoids wire feeder to lose efficacy owing to temperature is too high.
Be provided with fairlead between described wire feeder and described plunger type barrel, fairlead can be strengthened the guide effect to the silk material, to improve the stability of work.
This extrusion system also includes a seal case, and one of them is located in the sealing casing at least for described driving mechanism and wire feeder, and described heating element heater is located at outside the sealing casing, is provided with coolant vent on seal case.When work, can in seal case, feed cooling air by coolant vent and cool off, avoid silk material deliquescing under high temperature action at wire feeder place, also can avoid driving mechanism under hot environment, to lose efficacy; During fabrication, seal case can be independent with pedestal, or directly and pedestal be formed by connecting and be the part of pedestal.
Description of drawings
Fig. 1 is a kind of structural representation that is used for the miniature plunger type extrusion system of fused deposition rapid shaping;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 1 bottom;
Fig. 4 is the B-B cutaway view of Fig. 3;
Description of reference numerals:
1, pedestal, 2, the plunger type barrel, 3, nozzle, 4, heating element heater, 5, rotating shaft, 6, connect lever, 7, positive stop lug boss, 8, drive roll, 9, driven voller, 10, first transport tape, 11, second transport tape, 12, adjustment screw, 13, compress spring, 14, installing rack, 15, motor, 16, chain, 17, thermal insulation board, 18, fairlead, 19, positioning sleeve, 20, silk material, 21, seal case, 22, coolant vent.
The specific embodiment
As shown in Figure 1 to Figure 3, a kind of miniature plunger type extrusion system that is used for the fused deposition rapid shaping, this system comprises pedestal 1 and is located at plunger type shower nozzle on the pedestal 1, aforementioned plunger type shower nozzle is two, and each plunger type shower nozzle comprises wire feeder, driving mechanism, plunger type barrel 2, nozzle 3 and heating element heater 4, and heating element heater 4 is located on the plunger type barrel 2, and wire feeder is towards the rear end of plunger type barrel 2, wire feeder is by drive mechanism, and nozzle 3 is located at the front end of plunger type barrel.
Wherein, described driving mechanism is that the corresponding motor 15 of 15, two plunger type shower nozzles of motor is independent separately, and is electrically connected with control circuit respectively, and two motors 15 are connected with wire feeder by chain 16 respectively; Described wire feeder comprises two drive rolls 8, two driven vollers 9, the axial connecting line of the axial connecting line of two drive rolls 8, two driven vollers 9 is all parallel with the axis of plunger type barrel 2, and drive roll 8, driven voller 9 lay respectively at two opposite sides of plunger type barrel 2 axial lines; Outer surface at two drive rolls 8 is provided with first transport tape 10, is provided with second transport tape, 11, the first transport tapes 10 at the outer surface of two driven vollers 9, second transport tape, 11 relative both sides form the wire feed passage; Described wire feeder also includes adjustment screw 12, compresses spring 13, installing rack 14, two driven vollers 9 are located on the installing rack 14, adjustment screw 12 is located on the pedestal 1, compresses spring 13 and is located between adjustment screw 12 and the installing rack 14, and two drive rolls 8 are located on the pedestal 1;
Be provided with rotating shaft 5 on pedestal 1, connect lever 6 and be located on the pedestal 1 by these rotating shaft 5 activities, nozzle 3 both sides are provided with positive stop lug boss 7, and this positive stop lug boss 7 flexibly connects with the end that is connected lever 6; The front end of plunger type barrel 2 and nozzle 3 are slidingly matched, and both in axial direction slide relatively.
This extrusion system also includes a seal case 21, driving mechanism (being motor 15), wire feeder all are located in the sealing casing 21, heating element heater 4 is located at outside the sealing casing 21 and with driving mechanism, wire feeder and is isolated mutually, is provided with coolant vent 22 on seal case 21; Between wire feeder and heating element heater 4, be provided with thermal insulation board 17, between wire feeder and plunger type barrel 2, be provided with fairlead 18 and positioning sleeve 19.
The course of work of present embodiment is:
Open first motor 15, drive roll 8 rotation of first wire feeder and to first plunger type barrel 2 feedings, silk material 20 becomes molten condition under the effect of first heating element heater 4, silk material 20 continues to advance, and the silk material 20 of rear end is equivalent to the effect of plunger, and melting charge is clamp-oned in the plunger type barrel 2, first nozzle 3 forward end under the effect of melting charge pressure is stretched out, connect lever 6 rotations, contract behind second nozzle 3, melting charge is from first nozzle 3 ejections; After first shower nozzle work a period of time, first motor 15 stops and second motor 15 unlatching, and second shower nozzle started working, so repeatedly.
The advantage of present embodiment is:
1, owing to adopted two nozzle structures, the rapid shaping that to go for two kinds of silk material be raw material;
2, realize the automatic lifting conversion of main jet 3 and inoperative nozzle 3 by connecting lever 6, promptly two nozzles 3 work alone respectively, another nozzle 3 lifts automatically when 3 work of a nozzle, can avoid inoperative nozzle 3 to form wire drawing because of the material that touching has applied, influence the surface of shaped parts quality, connecting lever 6 in addition can be the nozzle 3 of the thermal energy transfer of the nozzle 3 of work shower nozzle to the inoperative shower nozzle, make the nozzle 3 interior melting charges of inoperative shower nozzle also can obtain certain heat energy, can reduce both temperature differences, in the duty of two shower nozzles of needs conversion, preheating time can be reduced.
3, when work, in the wire feed passage that silk material 20 inserts between drive roll 8 and the driven voller 9, driving mechanism drives drive roll 8 and rotates, and driven voller 9 is and then servo-actuated also; Because first transport tape 10 and second transport tape 11 are set, the frictional resistance of silk material 20 in transport process increases, and transmits more steady.
Present embodiment has two shower nozzles, and one is used for jet mould section bar material finished parts, and another is used for spraying backing material, and the shower nozzle more than three or three can be set in actual applications as required, and some have the colored article of multiple material or color moulding.
Claims (10)
1, a kind of miniature plunger type extrusion system that is used for the fused deposition rapid shaping, this system comprises pedestal and is located at plunger type shower nozzle on the pedestal, it is characterized in that, aforementioned plunger type shower nozzle is two, and each plunger type shower nozzle comprises wire feeder, driving mechanism, plunger type barrel, nozzle and heating element heater, and heating element heater is located on the plunger type barrel, and wire feeder is towards the rear end of plunger type barrel, wire feeder is by drive mechanism, and nozzle is located at the front end of plunger type barrel.
2, the miniature plunger type extrusion system that is used for the fused deposition rapid shaping according to claim 1, it is characterized in that, be provided with rotating shaft on described pedestal, connect lever and be located on the described pedestal by this rotating shaft activity, described two nozzles lay respectively at the two ends of this connection lever.
3, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 2, it is characterized in that described nozzle both sides are provided with positive stop lug boss, this positive stop lug boss and the described end that is connected lever flexibly connect.
4, be used for the miniature plunger type extrusion system of fused deposition rapid shaping according to claim 1, it is characterized in that, the front end of described plunger type barrel and described nozzle are slidingly matched, and both in axial direction slide relatively.
5, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping in the claim 1 to 4 as described in each, it is characterized in that, described wire feeder comprises two drive rolls, two driven vollers, the axial connecting line of the axial connecting line of two drive rolls, two driven vollers is all parallel with the axis of described plunger type barrel, and drive roll, driven voller lay respectively at two opposite sides of described plunger type barrel axial line; Outer surface at two drive rolls is provided with first transport tape, is provided with second transport tape at the outer surface of two driven vollers, and first transport tape, the both sides that second transport tape is relative form the wire feed passage.
6, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 5, it is characterized in that, described wire feeder also includes adjustment screw, compresses spring, installing rack, described two driven vollers are located on the installing rack, described adjustment screw is located on the pedestal, compress spring and be located between adjustment screw and the installing rack, described two drive rolls are located on the described pedestal.
7, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 5, it is characterized in that described driving mechanism is a motor, two corresponding motors of described plunger type shower nozzle are independent separately, and are electrically connected with control circuit respectively.
8, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 5, it is characterized in that: between described wire feeder and described heating element heater, be provided with thermal insulation board.
9, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 5, it is characterized in that: between described wire feeder and described plunger type barrel, be provided with fairlead.
10, as being used for the miniature plunger type extrusion system of fused deposition rapid shaping as described in the claim 5, it is characterized in that: this extrusion system also includes a seal case, one of them is located in the sealing casing at least for described driving mechanism and wire feeder, described heating element heater is located at outside the sealing casing, is provided with coolant vent on seal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202063429U CN201333797Y (en) | 2008-12-29 | 2008-12-29 | Micro plunger-type extrusion system used for melt accumulation quick forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202063429U CN201333797Y (en) | 2008-12-29 | 2008-12-29 | Micro plunger-type extrusion system used for melt accumulation quick forming |
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| Publication Number | Publication Date |
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| CN201333797Y true CN201333797Y (en) | 2009-10-28 |
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| CNU2008202063429U Expired - Fee Related CN201333797Y (en) | 2008-12-29 | 2008-12-29 | Micro plunger-type extrusion system used for melt accumulation quick forming |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350507A (en) * | 2013-04-04 | 2013-10-16 | 周双 | Three-dimensional printing pen |
| CN103386760A (en) * | 2013-07-03 | 2013-11-13 | 桂林半岛电子科技有限公司 | 3D printer based on FDM technology |
| CN103567442A (en) * | 2013-10-26 | 2014-02-12 | 山西平阳重工机械有限责任公司 | Heavy-metal three-dimensional fusing and rapid forming method |
| CN103802314A (en) * | 2013-12-11 | 2014-05-21 | 宁波市铭瑞达激光科技有限公司 | 3D (three dimensional) printing feeding device |
| CN103832088A (en) * | 2014-02-27 | 2014-06-04 | 袁梦杰 | Three-dimensional printer |
| CN103894614A (en) * | 2014-04-17 | 2014-07-02 | 机械科学研究总院先进制造技术研究中心 | Metal material melt extrusion device based on high-frequency induction heating |
| WO2015140228A1 (en) * | 2014-03-18 | 2015-09-24 | Gkn Sinter Metals Engineering Gmbh | Press for producing dimensionally stable preforms and production process |
| CN105459404A (en) * | 2015-12-30 | 2016-04-06 | 珠海天威飞马打印耗材有限公司 | 3D printing pen and printing method thereof |
| TWI626167B (en) * | 2014-07-25 | 2018-06-11 | 三緯國際立體列印科技股份有限公司 | Rotational printing head module having muti-cartridge |
| CN108582781A (en) * | 2018-07-26 | 2018-09-28 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN109016514A (en) * | 2018-08-17 | 2018-12-18 | 西安增材制造国家研究院有限公司 | FDM is useless, and part casts silk material equipment again |
| CN112537022A (en) * | 2020-11-17 | 2021-03-23 | 佛山市南海区广工大数控装备协同创新研究院 | Novel 3D prints bar extruding means |
| CN113021894A (en) * | 2021-03-11 | 2021-06-25 | 南通理工学院 | Flexible feed mechanism of 3D printer |
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2008
- 2008-12-29 CN CNU2008202063429U patent/CN201333797Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350507A (en) * | 2013-04-04 | 2013-10-16 | 周双 | Three-dimensional printing pen |
| CN103350507B (en) * | 2013-04-04 | 2017-11-07 | 吴洁 | 3 D-printing pen |
| CN103386760A (en) * | 2013-07-03 | 2013-11-13 | 桂林半岛电子科技有限公司 | 3D printer based on FDM technology |
| CN103567442A (en) * | 2013-10-26 | 2014-02-12 | 山西平阳重工机械有限责任公司 | Heavy-metal three-dimensional fusing and rapid forming method |
| CN103802314A (en) * | 2013-12-11 | 2014-05-21 | 宁波市铭瑞达激光科技有限公司 | 3D (three dimensional) printing feeding device |
| CN103832088B (en) * | 2014-02-27 | 2016-08-17 | 袁梦杰 | Three-dimensional printer |
| CN103832088A (en) * | 2014-02-27 | 2014-06-04 | 袁梦杰 | Three-dimensional printer |
| WO2015140228A1 (en) * | 2014-03-18 | 2015-09-24 | Gkn Sinter Metals Engineering Gmbh | Press for producing dimensionally stable preforms and production process |
| US11278962B2 (en) | 2014-03-18 | 2022-03-22 | Gkn Sinter Metals Engineering Gmbh | Press for producing dimensionally stable preforms and production process |
| CN103894614A (en) * | 2014-04-17 | 2014-07-02 | 机械科学研究总院先进制造技术研究中心 | Metal material melt extrusion device based on high-frequency induction heating |
| TWI626167B (en) * | 2014-07-25 | 2018-06-11 | 三緯國際立體列印科技股份有限公司 | Rotational printing head module having muti-cartridge |
| CN105459404A (en) * | 2015-12-30 | 2016-04-06 | 珠海天威飞马打印耗材有限公司 | 3D printing pen and printing method thereof |
| CN108582781A (en) * | 2018-07-26 | 2018-09-28 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN108582781B (en) * | 2018-07-26 | 2019-03-22 | 中科院广州电子技术有限公司 | A kind of three-dimensional printer single motor extrusion system that can actively switch print head |
| CN109016514A (en) * | 2018-08-17 | 2018-12-18 | 西安增材制造国家研究院有限公司 | FDM is useless, and part casts silk material equipment again |
| CN109016514B (en) * | 2018-08-17 | 2023-10-17 | 西安增材制造国家研究院有限公司 | FDM waste recasting wire equipment |
| CN112537022A (en) * | 2020-11-17 | 2021-03-23 | 佛山市南海区广工大数控装备协同创新研究院 | Novel 3D prints bar extruding means |
| CN113021894A (en) * | 2021-03-11 | 2021-06-25 | 南通理工学院 | Flexible feed mechanism of 3D printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20111229 |