CN207105635U - A kind of ejecting device for glycosyl 3 D-printing - Google Patents
A kind of ejecting device for glycosyl 3 D-printing Download PDFInfo
- Publication number
- CN207105635U CN207105635U CN201721011694.4U CN201721011694U CN207105635U CN 207105635 U CN207105635 U CN 207105635U CN 201721011694 U CN201721011694 U CN 201721011694U CN 207105635 U CN207105635 U CN 207105635U
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- heating
- heating unit
- printing
- melt chamber
- glycosyl
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Abstract
It the utility model is related to a kind of ejecting device for glycosyl 3 D-printing, with one piece of installing plate which is provided with two stepper motors, power transmission shaft by odontoid belt and two stepper motor power connectors is housed on a mounting board, feed bin is sequentially installed with installing plate, melt chamber and nozzle, the extruding screw by shaft coupling with stepper motor power connector is provided with melt chamber, be sequentially installed with from top to bottom outside melt chamber three can independent control heating heating unit, and the temperature sensor of ring-type is installed on each heating unit, the heating ring that can prevent that blocking is produced because of material cooled and solidified is inlaid with the side-lower of nozzle.It is of the present utility model it is compact-sized, principle is simple, the stable melting extrusion of granular printed material can especially be had extremely obvious advantage in terms of the food 3 D-printing of graininess saccharide material.
Description
Technical field
The utility model belongs to rapid prototyping ＆ manufacturing technology field, and in particular to a kind of shower nozzle for glycosyl 3 D-printing
Device.
Background technology
3D printing technique using Deformation In The Fdm Process (Fused Deposition Modeling, FDM) is current ability
One of quick molding method that domain is most widely used.In adopting said method formation system, ejecting device is to realize to be printed as
The part of the most critical of work(, it is accurately moved under the control of kinetic control system, so as to realize layer upon layer shape
Into 3 d part.FDM technology institute is mostly filamentary material using material under normal circumstances, and carries out carbohydrate food using technique
Product make when, due to used material be edible material (such as：Sugar, chocolate etc.), this kind of material is not easy in processing
Formed thread, therefore used material is mostly the irregular granular material of solid, and this is just to the cartridge nozzle of printer
Put and propose new requirement.
Present utility model application people once proposed one kind in the patent text that notification number is CN203496288U to be passed through
Noticeable degree system stablizes shower nozzle extrusion pressure and prevents to salivate the glycosyl rapidform machine ejecting device of phenomenon, but the device
Also there are some defects in actual applications, be in particular in it is following some：1st, it is not heat-insulated between heating module and motor
Module, so heating module is easy to cause motor operating temperature drastically to raise caused heat transfer to motor, so that
Motor produces failure and is stopped；2nd, the mode of heating of shower nozzle is same position continuous heating, is unfavorable for the molten of sugar based materials
Melt；3rd, because the pitch of the screw rod in auger conveyor is uniform pitch, so just nozzle exit pressure has often been short of,
It is unfavorable for being carried out continuously for printing；4th, heater is not provided with nozzle, so completes in once printing and is separated by one section
During printing again after the time, it is easy for that spray nozzle clogging phenomenon occurs.
Utility model content
The defects of the purpose of this utility model is to overcome prior art particularly CN203496288U patented technologies is present,
A kind of ejecting device for glycosyl 3 D-printing is provided, the device can prevent heating unit from transferring heat to motor,
Enough and stable extrusion pressures can be provided during printing simultaneously and sufficiently melt sugar based materials, and then improve and set
Standby print quality and service life.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of ejecting device for glycosyl 3 D-printing, there is one piece of installation for being arranged with two stepper motors thereon
Plate, the power transmission shaft by odontoid belt and two stepper motor power output axis connections is housed on a mounting board, at installing plate bottom
Feed bin, melt chamber and nozzle are sequentially installed with downwards, are provided with melt chamber by shaft coupling with being driven axis connection
Extruding screw, the mode being connected through a screw thread between nozzle and melt chamber are attached, outside melt chamber from top to bottom successively
Be provided with three can independent control heating heating unit, and the temperature sensor of ring-type is installed on each heating unit,
The heating ring that can prevent that blocking is produced because of material cooled and solidified is inlaid with the side-lower of nozzle.
In the above-mentioned ejecting device for glycosyl 3 D-printing, the stepper motor installed on a mounting board is including right by left and right
Claim the first stepper motor and the second stepper motor of arrangement, the power output shaft of two stepper motors passes through odontoid belt and installation
Transmission axis connection on plate, and extruding screw is driven by shaft coupling.
In the above-mentioned ejecting device for glycosyl 3 D-printing, the pitch of the extruding screw in melt chamber is change spiral shell
Away from.
In the above-mentioned ejecting device for glycosyl 3 D-printing, connected in a welding manner between feed bin and installing plate
Connect；Connected between melt chamber and nozzle by accurate fine thread.
In the above-mentioned ejecting device for glycosyl 3 D-printing, three heating units installed outside melt chamber are gold
Belong to the heating mantle of resistance-type, the TEMP of a ring-type is respectively installed in an interference fit outside each heating unit
Device.
In the above-mentioned ejecting device for glycosyl 3 D-printing, three installed successively from top to bottom outside melt chamber add
Hot cell is respectively the first heating unit, the second heating unit and the 3rd heating unit, the heating temperature that the first heating unit provides
It is≤50 DEG C to spend scope, and the heating temperature range that the second heating unit provides is 50 DEG C~110 DEG C, what the 3rd heating unit provided
Heating temperature range is 110 DEG C~200 DEG C.
In the above-mentioned ejecting device for glycosyl 3 D-printing, it is embedded in the heating ring below nozzle side and is heated for resistance-type
Ring.
Compared with prior art, the utility model has the advantage of：
First, extruding screw of the present utility model is driven by two stepper motors and using the kind of drive of cog belt
Dynamic, the temperature that can effectively obstruct in melt chamber passes to stepper motor, it is therefore prevented that stepper motor because temperature raises and caused by damage
It is bad, and then it is effectively improved the life-span of ejecting device；
2nd, melt chamber of the present utility model carries out gradient type heating using three heating units so that granular material
Can sufficiently it be melted in processing；
3rd, the pitch of extruding screw used is varying pitch in the ejecting device, so that ejecting device can be in printing
During have enough forces of impression, be advantageous to being carried out continuously for print procedure；
4th, the utility model is provided with heating ring in the position of nozzle, can effectively prevent because printing pause, temperature reduce
And the phenomenon of caused material cooled and solidified plug nozzle；
5th, it is of the present utility model it is compact-sized, principle is simple, the stable melting of granular printed material can be squeezed
Go out；Especially there is extremely obvious advantage in terms of the food 3 D-printing of graininess saccharide material.
Brief description of the drawings
Fig. 1 is the structural representation of one specific embodiment of the utility model.
Fig. 2 is the structural representation of the utility model extruding screw.
The title of each numeral mark is respectively in accompanying drawing：The stepper motors of 1- first, 2- installing plates, 3- feed bins, 4-
First heating unit, the heating units of 5- second, the heating units of 6- the 3rd, 7- melt chambers, 8- nozzles, 9- heating rings, 10-
Temperature sensor, 11- extruding screws, 12- shaft couplings, the stepper motors of 13- second, 14- odontoid belts.
Embodiment
The utility model content is described further below with reference to accompanying drawing, but practical application structure of the present utility model
It is not limited in following embodiments.
Referring to accompanying drawing, the ejecting device described in the utility model for glycosyl 3 D-printing is by installing plate 2, the first stepping
Motor 1, the second stepper motor 13, feed bin 3, extruding screw 11, melt chamber 7, the heating unit 4, second of nozzle 8 and first add
The component compositions such as hot cell 5, the 3rd heating unit 6, heating ring 9.First stepper motor 1 and the second stepper motor 13 are right by left and right
Title is arranged on installing plate 2, and the power output shaft of two stepper motors is connected by the power transmission shaft on odontoid belt 14 and installing plate 2
Connect.Be sequentially installed with feed bin 3, melt chamber 7 and nozzle 8 downwards in the bottom surface of installing plate 2, wherein feed bin 3 and installing plate 2 it
Between be attached in a welding manner.Extruding screw 11 is arranged in melt chamber 7, and it passes through the first stepper motor 1 and second step
Stepper motor 13 is driven through odontoid belt 14 and power transmission shaft, and by the collective effect between shaft coupling 12 and installing plate 2 to it
Positioned, the pitch of extruding screw 11 is varying pitch.It is sequentially installed with from top to bottom by metallic resistance formula outside melt chamber 7
The first heating unit 4, the second heating unit 5 and the 3rd heating unit 6 that heating mantle is formed, three heating units can independent control
Gradient type heating is carried out, wherein the heating temperature range that the first heating unit 4 provides is≤50 DEG C, the second heating unit 5 provides
Heating temperature range be 50 DEG C~110 DEG C, the 3rd heating unit 6 provide heating temperature range be 110 DEG C~200 DEG C,
The temperature sensor 10 of one ring-type is respectively installed in an interference fit outside each heating unit.Nozzle 8 and melt chamber 7
Between be attached by way of being connected by accurate fine thread, be inlaid with the side-lower of nozzle 8 for preventing because of material
Expect cooled and solidified and produce the resistance-type heating ring 9 of blocking.
In actual work, after graininess carbohydrate printed material is entering feed bin 3, the first heating unit 4, second
Heating unit 5, the 3rd heating unit 6 and the anti-blocking heating ring 9 on nozzle 8 are started working；When each heater block
On temperature when reaching preset temperature, extruding screw 11 is in the first stepper motor 1 and the second stepper motor 13 and odontoid belt 14
Driving under start to rotate, the exposed extruding screw 11 rotated in feed bin 3 delivers to printed material in melt chamber 7, three
By granular material molten under the collective effect of individual heating unit, and in the presence of extruding screw 11 by nozzle 8 by its
Quantitative extrusion.
One preferred embodiment structure of the utility model is：The used stepper motor of first stepper motor 1 and second
13 use F-42BYG1804 stepper motors；Extruding screw 11 is made using aluminium, and its external diameter is 15~18mm, pitch
For the varying pitch being sequentially reduced from top to bottom, lead angle is 12 °~15 °, and spiral groove depth is 2~5mm；First heating unit 4,
Second heating unit 5, the 3rd heating unit 6 use metallic resistance formula heating mantle, and the heating ring being embedded on nozzle is resistance
Formula heating collar；Temperature sensor 10 on each heating unit uses Pt100 thermal resistances；The aperture portion of nozzle 8 passes through
Spark technology is processed, and the scope of its diameter is in 0.3~0.6mm.
Claims (7)
- A kind of 1. ejecting device for glycosyl 3 D-printing, it is characterised in that：Two steppings are arranged with thereon with one piece The installing plate (2) of motor, it is equipped with installing plate (2) by odontoid belt (14) and two stepper motor power output axis connections Power transmission shaft, feed bin (3), melt chamber (7) and nozzle (8) are sequentially installed with downwards in installing plate (2) bottom surface, in melt chamber (7) it is provided with by shaft coupling (12) and the extruding screw (11) for being driven axis connection, passes through between nozzle (8) and melt chamber (7) The mode of threaded connection is attached, and being sequentially installed with three outside the melt chamber (7) from top to bottom can independent control heating Heating unit, and the temperature sensor (10) of ring-type is installed on each heating unit, it is inlaid with the side-lower of nozzle (8) Heat ring (9).
- 2. the ejecting device according to claim 1 for glycosyl 3 D-printing, it is characterised in that：On installing plate (2) The stepper motor of installing is included by the first stepper motor (1) and the second stepper motor (13) being symmetrically arranged, two steppings The power output shaft of motor is and right by shaft coupling (12) by the transmission axis connection on odontoid belt (14) and installing plate (2) Extruding screw (11) is driven.
- 3. the ejecting device according to claim 1 for glycosyl 3 D-printing, it is characterised in that：Installed in melt chamber (7) pitch of the extruding screw (11) in is varying pitch.
- 4. the ejecting device according to claim 1 for glycosyl 3 D-printing, it is characterised in that：Feed bin (3) and peace Loading board is attached in a welding manner between (2)；Connected between melt chamber (7) and nozzle (8) by accurate fine thread.
- 5. the ejecting device according to claim 1 for glycosyl 3 D-printing, it is characterised in that：In melt chamber (7) outside Three heating units of portion's installation are the heating mantle of metallic resistance formula, outside each heating unit in an interference fit The temperature sensor (10) of one ring-type is respectively installed.
- 6. it is used for the ejecting device of glycosyl 3 D-printing according to claim 1 or 5, it is characterised in that：In melt chamber (7) Three heating units that outside is installed successively from top to bottom are respectively the first heating unit (4), the second heating unit (5) and the 3rd Heating unit (6), the heating temperature range that the first heating unit (4) provides are≤50 DEG C, and what the second heating unit (5) provided adds Hot temperature range is 50 DEG C~110 DEG C, and the heating temperature range that the 3rd heating unit (6) provides is 110 DEG C~200 DEG C.
- 7. the ejecting device according to claim 1 for glycosyl 3 D-printing, it is characterised in that：It is embedded in nozzle (8) The heating ring (9) of side-lower is that resistance-type heats ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011694.4U CN207105635U (en) | 2017-08-11 | 2017-08-11 | A kind of ejecting device for glycosyl 3 D-printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721011694.4U CN207105635U (en) | 2017-08-11 | 2017-08-11 | A kind of ejecting device for glycosyl 3 D-printing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207105635U true CN207105635U (en) | 2018-03-16 |
Family
ID=61578069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721011694.4U Expired - Fee Related CN207105635U (en) | 2017-08-11 | 2017-08-11 | A kind of ejecting device for glycosyl 3 D-printing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207105635U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355990A (en) * | 2018-03-26 | 2019-10-22 | 南京航空航天大学 | A kind of more material 3D rapid printers |
| CN112008973A (en) * | 2019-05-31 | 2020-12-01 | 中国科学院化学研究所 | Rapid molding device and system for ultrahigh molecular weight polymer and control method thereof |
| CN112388969A (en) * | 2019-08-15 | 2021-02-23 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN112388970A (en) * | 2019-08-15 | 2021-02-23 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN112440466A (en) * | 2019-08-15 | 2021-03-05 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN114083793A (en) * | 2021-10-18 | 2022-02-25 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| CN116391783A (en) * | 2023-05-26 | 2023-07-07 | 安徽医科大学 | Sugar painting 3D printer |
-
2017
- 2017-08-11 CN CN201721011694.4U patent/CN207105635U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355990A (en) * | 2018-03-26 | 2019-10-22 | 南京航空航天大学 | A kind of more material 3D rapid printers |
| CN112008973A (en) * | 2019-05-31 | 2020-12-01 | 中国科学院化学研究所 | Rapid molding device and system for ultrahigh molecular weight polymer and control method thereof |
| CN112008973B (en) * | 2019-05-31 | 2024-05-24 | 中国科学院化学研究所 | Rapid forming device and system for ultra-high molecular weight polymer and control method thereof |
| CN112388969A (en) * | 2019-08-15 | 2021-02-23 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN112388970A (en) * | 2019-08-15 | 2021-02-23 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN112440466A (en) * | 2019-08-15 | 2021-03-05 | 中国科学院化学研究所 | Rapid forming device for ultrahigh molecular weight polymer |
| CN114083793A (en) * | 2021-10-18 | 2022-02-25 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| CN114083793B (en) * | 2021-10-18 | 2024-05-17 | 深圳市创想三维科技股份有限公司 | Extrusion mechanism and 3D printer |
| CN116391783A (en) * | 2023-05-26 | 2023-07-07 | 安徽医科大学 | Sugar painting 3D printer |
| CN116391783B (en) * | 2023-05-26 | 2023-08-04 | 安徽医科大学 | Sugar painting 3D printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180811 |