CN204526175U - A kind of multiinjector 3D printer head - Google Patents
A kind of multiinjector 3D printer head Download PDFInfo
- Publication number
- CN204526175U CN204526175U CN201520133188.7U CN201520133188U CN204526175U CN 204526175 U CN204526175 U CN 204526175U CN 201520133188 U CN201520133188 U CN 201520133188U CN 204526175 U CN204526175 U CN 204526175U
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- China
- Prior art keywords
- discharge barrel
- nozzle
- rotating disk
- multiinjector
- printer head
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Abstract
The utility model relates to a kind of multiinjector 3D printer head, comprise the discharge barrel that can pivot and the rotating disk that can rotate relative to discharge barrel, the bottom of described discharge barrel is provided with multiple nozzle along direction of rotation, the through hole internal diameter of each nozzle interior is different, many the transfer passages connected one to one with each through nozzle hole are provided with in described discharge barrel, described rotating disk is positioned at discharge barrel upper end, described rotating disk is provided with opening, and the nozzle interior of described opening, arbitrary transfer passage and correspondence forms type channel.The utility model installs multiple nozzle in the bottom that discharging is passed through, the through hole internal diameter of each nozzle interior is different, only need to rotate barrel when changing nozzle, required nozzle is adjusted to print position, simultaneously, by the position of the rotation adjustment opening of rotating disk, thus form type channel, the switching requirement in nozzle print procedure.The utility model can be applicable to 3D and prints.
Description
Technical field
The utility model relates to 3D and prints field, particularly a kind of multiinjector 3D printer head.
Background technology
3D printing technique, the i.e. one of rapid shaping technique.It first sets up three-dimensional digital model file by microcomputer modelling software, again the model built up through reason of section out, successively stacking by the entity structure of model a kind of technology out by instructing printer to carry out, mainly pulverous metal or plastics etc. can jointing materials for the material applied to.3D printing technique application comprises space flight and aviation, defence and military, industry manufacture, architectural engineering, biologic medical, Food Chemistry etc., along with the fast development of Intelligent Manufacturing Technology, new information technology, control technology, material technology etc. are constantly widely applied to 3D and manufacture field, and the development of 3D printing technique will be embodied in the main trend such as precise treatment, intellectuality, generalization and facilitation.In future, 3D printing technique will be widely applied to manufacturing industry and serves the live and work of people chronically.
The core component of 3D printer is printing head, and 3D printer head main is at present all single-nozzle, can not change the radius of nozzle; Also have the printer head of small part to be can change caliber size but the cross sectional shape be up to is unfixed polygon, connecting and the continuity of printing so are inherently affected, and the model printed also has structural defect.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of multiinjector 3D printer head changing spout radius.
The technical scheme that the utility model adopts is:
A kind of multiinjector 3D printer head, comprise the discharge barrel that can pivot and the rotating disk that can rotate relative to discharge barrel, the bottom of described discharge barrel is provided with multiple nozzle along direction of rotation, the through hole internal diameter of each nozzle interior is different, many the transfer passages connected one to one with each through nozzle hole are provided with in described discharge barrel, described rotating disk is positioned at discharge barrel upper end, and described rotating disk is provided with opening, and the nozzle interior of described opening, arbitrary transfer passage and correspondence forms type channel.
As further improvement of the utility model, described transfer passage is the bellmouth that successively decreases of internal diameter from top to bottom.
As further improvement of the utility model, the through hole internal diameter of described nozzle is equal with the outlet bore of corresponding transfer passage.
As further improvement of the utility model, the top circular aperture of described each transfer passage is identical.
As further improvement of the utility model, the bore of described opening is not less than the bore of transfer passage top circle.
As further improvement of the utility model, described discharge barrel internal fixtion has the micromachine driving turntable rotation.
As further improvement of the utility model, between described rotating disk and discharge barrel, be provided with seal.
As further improvement of the utility model, the perisporium of described discharge barrel is provided with teeth groove, is connected with drive unit with teeth groove meshed gears.
As further improvement of the utility model, described discharge barrel top is provided with feeding cylinder, and described discharge barrel is supported by feeding cylinder, and described rotating disk is positioned at feeding cylinder.
As further improvement of the utility model, between described feeding cylinder and discharge barrel, be provided with seal.
The beneficial effects of the utility model are: the utility model installs multiple nozzle in the bottom that discharging is passed through, the through hole internal diameter of each nozzle interior is different, only need to rotate barrel when changing nozzle, required nozzle is adjusted to print position, simultaneously, by the position of the rotation adjustment opening of rotating disk, thus form type channel, the switching requirement in nozzle print procedure.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is front view of the present utility model;
Fig. 2 is that axle of the present utility model measures intention;
Fig. 3 is that the axle at another visual angle of the utility model measures intention;
Fig. 4 be in Fig. 1 A to generalized section;
Fig. 5 is the schematic diagram that nozzle is closed.
Detailed description of the invention
Multiinjector 3D printer head as Figure 1-Figure 4, comprises the discharge barrel 1 that can pivot and the rotating disk 2 that can rotate relative to discharge barrel 1.The bottom of discharge barrel 1 is provided with four nozzles 3 along direction of rotation, and the height of each nozzle 3 is identical, and the through hole internal diameter of each nozzle 3 inside is different, and therefore the bore of the printing outlet of each nozzle 3 is also different.Certain nozzle 3 is not limited only to four, also can be 3 or more, mainly determine according to printing demand.Be provided with many transfer passages 4 in discharge barrel 1, each transfer passage 4 and each nozzle 3 through hole one_to_one corresponding, also i.e. corresponding the and through hole that is an only corresponding nozzle 3 of every bar transfer passage 4, transfer passage 4 lower end connects the through hole of nozzle 3.Rotating disk 2 is positioned at discharge barrel 1 upper end, rotating disk 2 is provided with fan-shaped opening 21, and because rotating disk 2 can rotate relative to discharge barrel 1, therefore rotating disk 2 has two states: one is that rotating disk 2 covers all transfer passages 4, now material cannot enter transfer passage 4, as shown in Figure 5; Another state is that opening 21 forwards to wherein on a transfer passage 4, and so nozzle 3 inside of opening 21, this transfer passage 4 and correspondence forms type channel, and now material can be printed by nozzle 3, as described in Figure 2.
Preferably, as shown in Figure 4, every bar transfer passage 4 is the bellmouth that internal diameter from top to bottom successively decreases, and the reducing design of bellmouth makes material can be subject to the pressure of rear material in the interior flowing moment, keep the stability of discharging, and be beneficial to adjustment and the control of feed pressure.
In embodiment, the through hole internal diameter of nozzle 3 is equal with the outlet bore of corresponding transfer passage 4, also namely the junction of nozzle 3 through hole and corresponding transfer passage 4 is smooth excessivenesses, and through hole internal diameter is equal with the bore of circle bottom transfer passage 4, during printing, the flowing of material is comparatively smooth and easy, prints discharging also milder.
Preferably, the top circular aperture of each transfer passage 4 is identical, and also namely the bore of each transfer passage 4 charging aperture is identical.Meanwhile, the bore of rotating disk 2 upper shed 21 is not less than the bore of transfer passage 4 top circle, ensures the smooth and easy of charging.
In order to drive the rotation of rotating disk 2, discharge barrel 1 internal fixtion has the micromachine 5 driving rotating disk 2 to rotate, and rotating disk 2 bottom is connected to sleeve 22, and this sleeve 22 closely cooperates with the output shaft of micromachine 5.The bottom of discharge barrel 1 is also provided with base plate 11, and base plate 11 supports and is fixed wtih micromachine 5, and therefore micromachine 5 rotates with discharge barrel 1 and revolves round the sun, and the rotation of micromachine 5 can drive discharge barrel 1 to rotate.
Be provided with seal and thrust bearing (not shown) between rotating disk 2 and discharge barrel 1, form sealing and revolute pair.
The rotation of discharge barrel 1 relies on external force to carry out, and in the present embodiment, the perisporium of discharge barrel 1 is provided with a circle teeth groove 6, is connected with drive unit with teeth groove 6 meshed gears 7, and the coordinating to operate of gear 7 and teeth groove 6 drives the rotation of discharge barrel 1.
In the present embodiment, discharge barrel 1 top is provided with feeding cylinder 8, and feeding cylinder 8 is placed on the periphery on discharge barrel 1 top, and discharge barrel 1 is by the bottom support of feeding cylinder 8, and rotating disk 2 is positioned at feeding cylinder 8.After the material printed enters feeding cylinder 8 by external pressure, just export along type channel from nozzle 3.Also be provided with thrust bearing and seal (not shown) between feeding cylinder 8 and discharge barrel 1, form revolute pair and sealing between the two.
The course of work of the present embodiment is as follows:
When printer prints, the opening 21 of rotating disk 2 is corresponding with certain bellmouth of discharge barrel 1, prints material by outside pipeline input feeding cylinder 8, enters in the bellmouth of discharge barrel 1, finally flow out from nozzle 3 after material is extruded through rotating disk 2 opening 21.When needing to change spout radius, micromachine 5 drives rotating disk 2 to rotate to an angle, the opening 21 of rotating disk 2 is by complete shutoff, nozzle 3 stops discharging, gear 7 drives discharge barrel 1 to rotate to an angle, new nozzle is made to rotate to the position of former nozzle, then, micromachine 5 drives rotating disk 2 to rotate to an angle, opening 21 rotates to the position of new nozzle, opens the bellmouth that new nozzle is corresponding, and material flows out from new nozzle, the different nozzle of bore can be changed as required in print procedure, realize the function that multiinjector prints.By all right Intelligent adjustment charging rate of peripheral control unit, thus ensure the connecting that product prints and continuity, by the Collaborative Control of this feed rate and different spray nozzles, the height printing discharging can be made to be definite value, meet the requirement of printing precision, thus raising printing effect, strengthen the objectivity of printed product.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (10)
1. a multiinjector 3D printer head, it is characterized in that: comprise the discharge barrel (1) that can pivot and the rotating disk (2) that can rotate relative to discharge barrel (1), the bottom of described discharge barrel (1) is provided with multiple nozzle (3) along direction of rotation, the through hole internal diameter of each nozzle (3) inside is different, many the transfer passages (4) connected one to one with each nozzle (3) through hole are provided with in described discharge barrel (1), described rotating disk (2) is positioned at discharge barrel (1) upper end, described rotating disk (2) is provided with opening (21), described opening (21), nozzle (3) inside of arbitrary transfer passage (4) and correspondence forms type channel.
2. multiinjector 3D printer head according to claim 1, is characterized in that: described transfer passage (4) is the bellmouth that successively decreases of internal diameter from top to bottom.
3. multiinjector 3D printer head according to claim 2, is characterized in that: the through hole internal diameter of described nozzle (3) is equal with the outlet bore of corresponding transfer passage (4).
4. multiinjector 3D printer head according to claim 2, is characterized in that: the top circular aperture of described each transfer passage (4) is identical.
5. multiinjector 3D printer head according to claim 2, is characterized in that: the bore of described opening (21) is not less than the bore of transfer passage (4) top circle.
6. multiinjector 3D printer head according to claim 1, is characterized in that: the micromachine (5) that described discharge barrel (1) internal fixtion has driving rotating disk (2) to rotate.
7. multiinjector 3D printer head according to any one of claim 1 to 6, is characterized in that: be provided with seal between described rotating disk (2) and discharge barrel (1).
8. multiinjector 3D printer head according to any one of claim 1 to 6, it is characterized in that: the perisporium of described discharge barrel (1) is provided with teeth groove (6), is connected with drive unit with teeth groove (6) meshed gears (7).
9. multiinjector 3D printer head according to any one of claim 1 to 6, it is characterized in that: described discharge barrel (1) top is provided with feeding cylinder (8), described discharge barrel (1) is supported by feeding cylinder (8), and described rotating disk (2) is positioned at feeding cylinder (8).
10. multiinjector 3D printer head according to claim 9, is characterized in that: be provided with seal between described feeding cylinder (8) and discharge barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133188.7U CN204526175U (en) | 2015-03-09 | 2015-03-09 | A kind of multiinjector 3D printer head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133188.7U CN204526175U (en) | 2015-03-09 | 2015-03-09 | A kind of multiinjector 3D printer head |
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| CN204526175U true CN204526175U (en) | 2015-08-05 |
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| CN201520133188.7U Expired - Fee Related CN204526175U (en) | 2015-03-09 | 2015-03-09 | A kind of multiinjector 3D printer head |
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| CN105150536A (en) * | 2015-09-22 | 2015-12-16 | 刘文斌 | Movable mechanism of printing nozzle and 3D printer with movable system |
| CN105437553A (en) * | 2015-12-22 | 2016-03-30 | 安徽蓝蛙电子科技有限公司 | Three-dimensional printer |
| CN105479750A (en) * | 2015-12-22 | 2016-04-13 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | 3D printer with double-cover feeding devices |
| CN105538710A (en) * | 2015-12-22 | 2016-05-04 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Three-dimensional printer with excess materials convenient to recycle |
| CN105538711A (en) * | 2015-12-22 | 2016-05-04 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Three-dimension printer with stirring material-supply devices |
| CN105711100A (en) * | 2016-04-14 | 2016-06-29 | 深圳市爱善迪科技有限公司 | Automatically-switched 3D printing head for multiple materials |
| CN105772725A (en) * | 2016-04-06 | 2016-07-20 | 西安交通大学 | High-efficiency high-temperature print head supporting multiple printing materials |
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| CN105889571A (en) * | 2016-06-01 | 2016-08-24 | 深圳万为智能制造科技有限公司 | Multi-channel telescopic nozzle valve for 3D printing and nozzle valve control system |
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