CN104552955A - Double-color 3D printer and color changing method thereof - Google Patents
Double-color 3D printer and color changing method thereof Download PDFInfo
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- CN104552955A CN104552955A CN201510034477.6A CN201510034477A CN104552955A CN 104552955 A CN104552955 A CN 104552955A CN 201510034477 A CN201510034477 A CN 201510034477A CN 104552955 A CN104552955 A CN 104552955A
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Abstract
The invention discloses a double-color 3D (three-dimensional) printer. The printer comprises a left thread feeding mechanism, a right thread feeding mechanism, a heater, a shower nozzle and a pedestal, wherein the left thread feeding mechanism and the right thread feeding mechanism are fixed to the pedestal through a fixing frame; a three-way flow channel is arranged in the heater; the left thread feeding mechanism, the right thread feeding mechanism and the shower nozzle are correspondingly connected with the opening of the three-way flow channel, respectively. The printer is characterized in that two thread feeding mechanisms together use one shower nozzle, thus the disadvantage that two shower nozzles interfere with each other is avoided, and overall printing quality and printing efficiency of the 3D printer are improved.
Description
Technical field
The invention belongs to printer technology field, be specifically related to a kind of single spraying based on FDM principle double-colored 3D printer and colour changing method thereof.
Background technology
3D prints, i.e. the one of rapid shaping technique, and it is a kind of based on mathematical model file, uses powdery metal or plastics etc. can jointing material, is carried out the technology of constructed object by the mode successively printed.The material melt extruding shaping (FDM) technique is generally thermoplastic, as wax, ABS, PC, nylon etc., with thread feed.Material in shower nozzle by heat fused.Shower nozzle is along part section profile and fill orbiting motion, is extruded by the material of fusing, material rapid solidification simultaneously, and with the material binding of surrounding.Each synusia piles up to form on last layer, the effect that last layer plays location to current layer and supports.Along with the increase of height, the area of synusia profile and shape all can change, when shape has greatly changed, upper strata profile just can not provide location and supporting role fully to current layer, this just needs to design some supplementary structures-" support ", there is provided location to succeeding layer and support, to ensure the smooth realization of forming process.
Existing double-colored 3D printer is all equipped with two-way and enters a device and two shower nozzles, each enter the corresponding shower nozzle of a thread device, each shower nozzle only prints a kind of material of color, and just inevitably mutually interfere because two shower nozzles are in same level height, entirety can have influence on the quality of printed product; In addition, when in print procedure, two shower nozzles frequently switch, the shower nozzle performed needs motion one segment distance to compensate the spacing of installation site between two shower nozzles, need the preheating of execution shower nozzle when shower nozzle switches simultaneously, preheating time is long, if switching frequency is higher between shower nozzle, then causes overall preheating time long, the waste plenty of time, cause printing effect low.
Summary of the invention
Technical problem to be solved by this invention is: the present invention proposes a kind of double-colored 3D printer, mutually interfere when solving two nozzle printings existed in prior art, print quality is poor, the problem that printing effect is low, improves overall print quality and the printing effect of 3D printer.
The object of the invention is to be achieved through the following technical solutions:
A kind of double-colored 3D printer, it is characterized in that, comprise left wire feeder, right wire feeder, heater, shower nozzle and base, described left wire feeder and described right wire feed structure are fixed on described base by a fixed mount, threeway runner is provided with, corresponding being connected with the opening of described threeway runner of described left wire feeder, right wire feeder, shower nozzle difference in described heater.
Further, described left wire feeder comprises left shell, left wire feed wheels, motor one and left wire feed pipeline, described motor is arranged on described left shell, described left wire feed wheels comprise the driven wire feed rolls of left active wire feed rolls and a left side, described left active wire feed rolls is connected with the motor shaft of described motor one, the driven wire feed rolls in a described left side and motor shaft are symmetricly set in the both sides of filamentary material, described left wire feed pipeline one end is arranged in the left shell between the driven wire feed rolls of described left active wire feed rolls and a described left side immediately below gap, the other end is connected with a flow passage openings of described heat block.
Further, described right wire feeder comprises right shell body, right wire feed wheels, motor two and right wire feed pipeline, described motor two is arranged on described right shell body, described right wire feed wheels comprise the driven wire feed rolls of right active wire feed rolls and the right side, described right active wire feed rolls is connected with the motor shaft of described motor two, the driven wire feed rolls in the described right side and motor shaft are symmetricly set in the both sides of filamentary material, described right wire feed pipeline one end is arranged in the left shell between the driven wire feed rolls of described right active wire feed rolls and the described right side immediately below gap, the other end is connected with a flow passage openings of described heat block.
Further, described left wire feeder also comprises a left wire feed adjusting part, described left wire feed adjusting part comprises screw, regulating spring and slide block, groove is provided with in described left shell, the driven wire feed rolls in a described left side is arranged in described groove, on the two side that described slide block two ends are resisted against described groove and side is resisted against on the driven wire feed rolls in a described left side, the opposite side of described slide block is connected with described regulating spring, described regulating spring is connected with described screw, described right wire feeder also comprises a right wire feed adjusting part, described right wire feed adjusting part is identical with type of attachment with described left wire feed adjusting part structure.
Further, described double-colored 3D printer also comprises side fan and air channel, and described crosswind is fanned and is arranged on described fixed mount and is connected with described left wire feeder, and described air channel is arranged at described crosswind fan below and is connected with described shower nozzle.
Further, the both sides of described left wire feeder and described right wire feeder are pressed on described fixed mount respectively, and bottom is fixedly connected with described fixed mount.
Further, described heater also comprises the thermocouple of heating tube and the collecting temperature signal heated filamentary material.
Further, described heater is a trapezoid block, and the opening of described threeway runner is arranged at both sides and the base of described trapezoid block respectively, and described threeway runner connectivity port is screwed hole.
Further, described left shell or right shell body are also provided with enter silk for silk material 9 enter a hole.
The invention allows for a kind of a kind of colour changing method based on above-mentioned double-colored 3D printer, its concrete steps are as follows:
(1) in printer, left wire feeder is in running order, and computer sends control signal, carries out colour changing operation.
(2) left side filamentary material prints and is converted to right side filamentary material printing: overall structure moves quickly into a desired location, left wire feeder motor reversal, left wire feeder drives left side silk material to move back a certain length, motor one shuts down, motor two rotates forward, and right wire feeder drives right side silk material to enter silk, enters the fusing of the silk material after shower nozzle and flows out, rinse out respective material in remaining left wire feeder in the showerhead, right wire feeder is in normal operating conditions;
(3) computer sends control signal and carries out colour changing operation;
(4) right side filamentary material prints and is converted to left side filamentary material printing: overall structure moves quickly into a desired location, and right wire feeder motor two reverses, and right wire feeder drives right side silk material to move back a certain length.Then, motor two shuts down, and motor one rotates forward, and left wire feeder drives left side silk material to enter silk, and the silk material fusing entering shower nozzle is flowed out, and rinses out respective material in remaining right wire feeder in the showerhead, revert to normal print state.
The present invention compared with prior art has many advantages and good effect:
The present invention is by arranging a base, base arranges fixed mount, left wire feeder is fixedly connected with fixed mount with right wire feeder, one heater is set simultaneously, threeway runner is set in heater, three of threeway runner openings are corresponding to left wire feeder respectively, right wire feeder, shower nozzle connects, by each wire feeder can be independent wire feed printing is carried out to often kind of material, and two wire feeders adopt a shower nozzle, mutual interference effect can not be there is, improve print quality, employing shower nozzle and two wire feeders work independently, without the need to carrying out long checker and preheating, improve printing effect.
Accompanying drawing explanation
Fig. 1 is a kind of double-colored 3D printer overall structure schematic diagram of the present invention;
Fig. 2 is a kind of left wire feeder of double-colored 3D printer of the present invention and right wire feeder structure chart;
Fig. 3 is the heater three-dimensional structure diagram of a kind of double-colored 3D printer of the present invention;
Fig. 4 is the heater body structure chart of a kind of double-colored 3D printer of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
See Fig. 1-Fig. 4, the embodiment of a kind of double-colored 3D printer of the present invention, comprise left wire feeder 1, right wire feeder 2, heater 3, shower nozzle 4 and base 5, described left wire feeder 1 and described right wire feeder 2 are arranged on described base 5 by a fixed mount 6, threeway runner 31 is provided with, corresponding being connected with the opening of described threeway runner 31 of described left wire feeder 1, right wire feeder 2, shower nozzle 4 difference in described heater 3.
Specifically, left wire feeder 1 in the present embodiment, right wire feeder 2 are all fixedly installed on fixed mount 6, and be symmetrical arranged about the center of fixed mount 6, left wire feeder 1 is pressed on fixed mount 6 with the both sides of right wire feeder 2 respectively, and its bottom is fixedly connected with fixed mount 6, fixed mount 6 mainly realizes the support fixation to two wire feeders, is fixed on base 5 by fixed mount 6 simultaneously, realizes for integrally-built fixing.
Two wire feeders are mainly used to carry out wire feed operation to filamentary material, specifically, threeway runner is provided with in heater 3, the opening of threeway runner is corresponding to left wire feeder 1 respectively, right wire feeder 2, shower nozzle 4 connects, left wire feeder 1, right wire feeder 2 and the Y-shaped distribution of shower nozzle 4 three, filamentary material is mainly sent in the runner of heater 3 at corresponding connector place by left wire feeder 1 or right wire feeder 2, heated by heater 3 pairs of filamentary materials after in the runner entering heater 3, filamentary material from solid-state become molten state after sprayed by shower nozzle 4, realize printing.Because two corresponding shower nozzles 4 of wire feeder, therefore, only have a wire feeder to carry out work at every turn, another corresponding wire feeder does not work, and when another color of needs, computer can send control signal, carry out colour changing operation, at this moment another one wire feeder carries out work, such printing alternate, and the accumulation realizing different color prints.
Specifically, left wire feeder 1 mainly comprises left shell 11, left wire feed wheels, motor 1 and left wire feed pipeline 13, motor 1 is arranged on left shell 11, left wire feed wheels comprise the driven wire feed rolls 15 of left active wire feed rolls 14 and a left side, the motor shaft of motor 1 is connected with left active wire feed rolls 14 through left shell 11, left driven wire feed rolls 15 and motor shaft are symmetricly set in the both sides of filamentary material, left wire feed pipeline 13 one end is arranged in the left shell 11 between the driven wire feed rolls 15 of left active wire feed rolls 14 and a left side immediately below gap, the other end is connected with a flow passage openings of described heat block 3, left wire feeder 1 operationally, being rotated by motor 1 drives motor shaft to rotate, motor shaft drives left active wire feed rolls 14 to rotate, left active wire feed rolls 14 drives left driven wire feed rolls 15 to rotate, and then drive the filamentary material between the driven wire feed rolls 15 of left active wire feed rolls 14 and a left side carry out into silk or move back silk, left wire feed pipeline 13 to be arranged between the driven wire feed rolls 15 of left active wire feed rolls 14 and a left side immediately below gap, can just enter in left wire feed pipeline 13 when filamentary material enters thread, by one of left wire feed pipeline 13 threeway runner entering into heater 3, heat in heater 3, preferably, the two ends of left wire feed pipeline 13 all adopt the form of being threaded when being connected with left shell 11 and heater 3.
Further, right wire feeder 2 comprises right shell body 21, right wire feed wheels, motor 2 22 and right wire feed pipeline 23, motor 2 22 is arranged on right shell body 21, right wire feed wheels comprise the driven wire feed rolls 25 of right active wire feed rolls 24 and the right side, right active wire feed rolls 24 is connected with the motor shaft of motor 2 22, right driven wire feed rolls 25 and motor shaft are symmetricly set in the both sides of filamentary material, right wire feed pipeline 23 one end is arranged in the right shell body 21 between the driven wire feed rolls 25 of right active wire feed rolls 24 and the right side immediately below gap, the other end is connected with an opening of described heat block 3, the specific works form of right wire feeder 2 is identical with left wire feeder 1 with type of attachment, do not repeat at this.
Further, left wire feeder 1 also comprises a left wire feed adjusting part, left wire feed adjusting part includes screw 16, regulating spring 17 and slide block 18, groove 111 is provided with in left shell 11, left driven wire feed rolls 15 is arranged in groove 111, slide block 18 two ends are slidably connected with the two side of groove 111 and side is resisted against on left driven wire feed rolls 15, the opposite side of slide block 18 is connected with regulating spring 17, regulating spring 17 is connected with screw 16, the pressure to filamentary material can be regulated according to the characteristic of filamentary material printed by left wire feed adjusting part, rotary screw 16, screwing or unscrewing and change the pressure of regulating spring 17 for slide block 18 by adjustment screw 16, slide block 18 can slide along the two side of groove 111, advance or retreat the compression realized the driven wire feed rolls 15 in a left side, namely left driven wire feed rolls 15 is regulated to compress the pressure of regulating spring 17, change the gap between left driven wire feed rolls 15 and motor shaft, thus change left driven wire feed rolls 15 to the pressure of silk material, to ensure the frictional force to different qualities material, object is the uniformity of the wire feed rate ensureing different materials, same, described right wire feeder 2 also comprises a right wire feed adjusting part, right wire feed adjusting part arranges identical with left wire feed adjusting part structure and type of attachment.
For realizing for having printed product cooled and solidified, double-colored 3D printer is also provided with side fan 7 and air channel 8, crosswind fan 7 to be arranged on fixed mount 6 and to be connected with left wire feeder 1, air channel 8 is arranged at shower nozzle 4 position below crosswind fan 7, can realize the cooled and solidified for shower nozzle 4 printed product.
For realizing heating for the filamentary material in heater 3, heater 3 is also provided with the heating tube 32 and thermocouple 33 that heat heater 3, thermocouple 33 is collecting temperature signal mainly, so that controller control temperature.
Preferably, heater 3 overall structure is a trapezoid block, the opening of threeway runner is arranged at both sides and the base of trapezoid block respectively, the equal connectivity port of each runner of threeway runner 31 is screwed hole, its inside is through hole, and the screwed hole of connectivity port can be threaded with left wire feed pipeline 13, right wire feed pipeline 23 and shower nozzle 4 respectively.
Also be provided with on left shell 11 or right shell body 21 simultaneously enter silk for silk material 9 enter a hole.
The invention allows for a kind of a kind of colour changing method based on above-mentioned double-colored 3D printer, its concrete steps are as follows:
(1) in printer, left wire feeder 1 is in running order, and computer sends control signal, carries out colour changing operation.
(2) left side filamentary material 9 print be converted to right side filamentary material 9 print: overall structure moves quickly into a desired location, left wire feeder 1 motor 1 reversion, left wire feeder 1 drives left side silk material 9 to move back a certain length, ensure that left side silk material 9 can not continue fusing and flow to shower nozzle 4, left motor 1 shuts down, right motor 2 22 rotates forward, right wire feeder 2 drives right side silk material 9 to enter silk, enter the fusing of the silk material 9 after shower nozzle 4 to flow out, rinse out respective material in the left wire feeder 1 remained in shower nozzle 4, right wire feeder 2 starts to carry out normal print work,
(3) computer sends control signal and carries out colour changing operation;
(4) right side filamentary material 9 print be converted to left side filamentary material 9 print: overall structure moves quickly into a desired location, right wire feeder 2 motor 2 22 reversion, right wire feeder 2 drives right side silk material 9 to move back a certain length, ensures that right side silk material 9 can not continue fusing and flow to shower nozzle 4.Then, right motor 2 22 shuts down, and left motor 1 rotates forward, left wire feeder 1 drives left side silk material 9 to enter silk, the silk material 9 entering shower nozzle 4 melts and flows out, and rinses out respective material in remaining right wire feeder 2 in the showerhead, revert to normal print state.
Finally, constantly repeat above colour changing print procedure by every layer of section, complete print job.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a double-colored 3D printer, it is characterized in that, comprise left wire feeder, right wire feeder, heater, shower nozzle and base, described left wire feeder and described right wire feed structure are fixed on described base by a fixed mount, threeway runner is provided with, corresponding being connected with the opening of described threeway runner of described left wire feeder, right wire feeder, shower nozzle difference in described heater.
2. double-colored 3D printer according to claim 1, it is characterized in that, described left wire feeder comprises left shell, left wire feed wheels, motor one and left wire feed pipeline, described motor is arranged on described left shell, described left wire feed wheels comprise the driven wire feed rolls of left active wire feed rolls and a left side, described left active wire feed rolls is connected with the motor shaft of described motor one, the driven wire feed rolls in a described left side and motor shaft are symmetricly set in the both sides of filamentary material, described left wire feed pipeline one end is arranged in the left shell between the driven wire feed rolls of described left active wire feed rolls and a described left side immediately below gap, the other end is connected with a flow passage openings of described heat block.
3. double-colored 3D printer according to claim 1, it is characterized in that, described right wire feeder comprises right shell body, right wire feed wheels, motor two and right wire feed pipeline, described motor two is arranged on described right shell body, described right wire feed wheels comprise the driven wire feed rolls of right active wire feed rolls and the right side, described right active wire feed rolls is connected with the motor shaft of described motor two, the driven wire feed rolls in the described right side and motor shaft are symmetricly set in the both sides of filamentary material, described right wire feed pipeline one end is arranged in the left shell between the driven wire feed rolls of described right active wire feed rolls and the described right side immediately below gap, the other end is connected with a flow passage openings of described heat block.
4. double-colored 3D printer according to claim 2, it is characterized in that, described left wire feeder also comprises a left wire feed adjusting part, described left wire feed adjusting part comprises screw, regulating spring and slide block, groove is provided with in described left shell, the driven wire feed rolls in a described left side is arranged in described groove, the two side of described slide block two ends and described groove is slidably connected and side is resisted against on the driven wire feed rolls in a described left side, opposite side is connected with described regulating spring, described regulating spring is connected with described screw, described right wire feeder also comprises a right wire feed adjusting part, described right wire feed adjusting part is identical with type of attachment with described left wire feed adjusting part structure.
5. the double-colored 3D printer according to any one of claim 1-3, it is characterized in that, described double-colored 3D printer also comprises side fan and air channel, described crosswind is fanned and is arranged on described fixed mount and is connected with described left wire feeder, and described air channel is arranged at described crosswind fan below and is connected with described shower nozzle.
6. double-colored 3D printer according to claim 4, is characterized in that, the both sides of described left wire feeder and described right wire feeder are pressed on described fixed mount respectively, and bottom is fixedly connected with described fixed mount.
7. double-colored 3D printer according to claim 6, is characterized in that, described heater also comprises the thermocouple of heating tube and the collecting temperature signal heated filamentary material.
8. double-colored 3D printer according to claim 7, is characterized in that, described heater is a trapezoid block, and the opening of described threeway runner is arranged at both sides and the base of described trapezoid block respectively, and the connectivity port of described threeway runner is screwed hole.
9. double-colored 3D printer according to claim 8, is characterized in that, described left shell or right shell body are also provided with enter silk for silk material 9 enter a hole.
10. the colour changing method of the double-colored 3D printer as described in any one of claim 1-9, is characterized in that, comprise following concrete steps: in (1) printer, left wire feeder is in running order, and computer sends control signal, carries out colour changing operation;
(2) left side filamentary material prints and is converted to right side filamentary material printing: overall structure moves quickly into a desired location, left wire feeder motor reversal, left wire feeder drives left side silk material to move back a certain length, motor one shuts down, motor two rotates forward, and right wire feeder drives right side silk material to enter silk, enters the fusing of the silk material after shower nozzle and flows out, rinse out respective material in remaining left wire feeder in the showerhead, right wire feeder is in normal operating conditions;
(3) computer sends control signal and carries out colour changing operation;
(4) right side filamentary material prints and is converted to left side filamentary material printing: overall structure moves quickly into a desired location, right wire feeder motor two reverses, right wire feeder drives right side silk material to move back a certain length, then, motor two shuts down, and motor one rotates forward, left wire feeder drives left side silk material to enter silk, the silk material fusing entering shower nozzle is flowed out, and rinses out respective material in remaining right wire feeder in the showerhead, revert to normal print state.
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| CN201510034477.6A CN104552955A (en) | 2015-01-23 | 2015-01-23 | Double-color 3D printer and color changing method thereof |
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| CN201510034477.6A CN104552955A (en) | 2015-01-23 | 2015-01-23 | Double-color 3D printer and color changing method thereof |
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| CN104889394A (en) * | 2015-06-11 | 2015-09-09 | 湖南科瑞特科技股份有限公司 | Production method of copper or silver electronic circuit board and electronic circuit printing head |
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| CN105109046A (en) * | 2015-09-22 | 2015-12-02 | 天津丽彩数字技术有限公司 | Pause material-replacing method used for 3D printer |
| CN105729808A (en) * | 2016-04-12 | 2016-07-06 | 刘洋 | Intelligent desktop 3D printer based on Internet of Things |
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| CN106704631A (en) * | 2017-03-07 | 2017-05-24 | 北京交通大学海滨学院 | Selector valve for multifunctional expandable FDM-3D printer external mixer |
| CN106915074A (en) * | 2017-03-09 | 2017-07-04 | 福建省速卖通电子商务有限公司 | A kind of 3D printing shower nozzle for preventing material leakage |
| CN107351393A (en) * | 2017-08-28 | 2017-11-17 | 六安永贞匠道机电科技有限公司 | Active colour contamination formula colour 3D printer |
| CN111357787A (en) * | 2020-04-01 | 2020-07-03 | 西京学院 | Cake pattern-mounting 3D printing system |
| CN116690979A (en) * | 2023-05-12 | 2023-09-05 | 杭州德硕智能科技有限公司 | FDM type additive printer |
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| CN105729808A (en) * | 2016-04-12 | 2016-07-06 | 刘洋 | Intelligent desktop 3D printer based on Internet of Things |
| CN106704631A (en) * | 2017-03-07 | 2017-05-24 | 北京交通大学海滨学院 | Selector valve for multifunctional expandable FDM-3D printer external mixer |
| CN106915074A (en) * | 2017-03-09 | 2017-07-04 | 福建省速卖通电子商务有限公司 | A kind of 3D printing shower nozzle for preventing material leakage |
| CN107351393A (en) * | 2017-08-28 | 2017-11-17 | 六安永贞匠道机电科技有限公司 | Active colour contamination formula colour 3D printer |
| CN111357787A (en) * | 2020-04-01 | 2020-07-03 | 西京学院 | Cake pattern-mounting 3D printing system |
| CN116690979A (en) * | 2023-05-12 | 2023-09-05 | 杭州德硕智能科技有限公司 | FDM type additive printer |
| CN116690979B (en) * | 2023-05-12 | 2024-04-05 | 杭州德硕智能科技有限公司 | FDM type additive printer |
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Application publication date: 20150429 |
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