CN209699852U - A kind of bracket 3D layering printer - Google Patents
A kind of bracket 3D layering printer Download PDFInfo
- Publication number
- CN209699852U CN209699852U CN201822070007.7U CN201822070007U CN209699852U CN 209699852 U CN209699852 U CN 209699852U CN 201822070007 U CN201822070007 U CN 201822070007U CN 209699852 U CN209699852 U CN 209699852U
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- Prior art keywords
- bracket
- printing head
- printer
- cryogenic vacuum
- vacuum cabinet
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Abstract
The utility model discloses a kind of technical solutions of bracket 3D layering printer, and the printing head of 3D printer is placed in cryogenic vacuum cabinet, so that entire processing environment is under cryogenic vacuum state；The production technology successively sprayed on bracket mould using printing head, realize the bracket processing under cryogenic conditions, and make that medicine material can be added in the raw material of 3D printing, drug itself can be dissolved into bracket, realize the Continuous slow release effect of drug.
Description
Technical field
The utility model relates to a kind of bracket 3D for drug stent manufacturing field to be layered printer.
Background technique
Existing 3D printing is applied to the Related products such as the intracorporal bracket of people, is divided into two kinds of production models.The first be
3D printing is carried out under the condition of high temperature of raw material melting；Another kind is that progress laser is cut after degradation material is extruded into tubing
It cuts, then carries out configuration and form supporting structure.No matter which kind of mode is used, requires structure construction under the high temperature conditions, it is final complete
At sizing, according to different materials, temperature can be at 170-250 DEG C or so.This technology pattern makes the choosing of 3D printing timbering material
It is narrow with range.Biodegradable polymer material as bracket raw material in the molten state, the molecule of high molecular material
Chain is heated to be destroyed, and molecular weight and viscosity reduce, and the bracket raw material heated time of the extrusion described in different time is inconsistent,
It is easy to cause the physical property of product inconsistent, destroys the stability of supporting structure, lead to the consistency with a collection of timbering material
Poor, different batches timbering material consistency is also bad.In bracket actual clinical in use, if needing the medicine of bracket carrying treatment
Object then needs to load one layer of medicine layer in rack surface using the method for ultrasound spraying.But using ultrasonic spray method in bracket
The load capacity of the medicine layer of upper spraying, drug is smaller, and sustained drug action time is very short, can all release within the short time
It puts, the effect being sustained for a long time in human body cannot be played.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of bracket 3D layering printer, it
It can be realized the 3D layering printing under low temperature environment.
Realizing a kind of technical solution of above-mentioned purpose is: a kind of bracket 3D is layered printer, including printing head pedestal and
Printing head on printing head pedestal is set, further includes cryogenic vacuum cabinet and bracket mould seat；
The bottom of the cryogenic vacuum cabinet is equipped with refrigeration machine, and the top of the cryogenic vacuum cabinet is that 3D printer operation is empty
Between, vacuum orifice is offered on the side wall of the cryogenic vacuum cabinet；
The bracket mould seat is arranged on the bottom surface of the 3D printer working space, and the bracket mould seat is equipped with
Mold rotation axis is socketed with bracket mould on the mold rotation axis；The printing head pedestal is arranged in the 3D printer
The top of working space, the printing head carries out the movement of three-dimensional under printing head pedestal drive, described to beat
It is removably provided with magazine in print showerhead base, the magazine is connect with the printing head；
The printing head, the printing head pedestal and the bracket mould seat are respectively with setting in the cryogenic vacuum
Mechatronic control system connection outside cabinet.
Further, driving means is equipped with below the bracket mould seat, the side wall of the cryogenic vacuum cabinet is equipped with
Material is delivered to discharge port from 3D printer working space by material mouth, the driving means.
Further, the printing head is removably connect with the printing head pedestal.
Further, watch window is offered on four peripheral walls of the cryogenic vacuum cabinet.
Further, the watch window uses double layer glass structure.
The technical solution of the bracket 3D layering printer of the utility model is true by the printing head merging low temperature of 3D printer
In empty cabinet, so that entire processing environment is under cryogenic vacuum state；It is successively sprayed on bracket mould using printing head
The production technology of painting realizes the bracket processing under cryogenic conditions, and makes that medicine material can be added in the raw material of 3D printing,
Drug itself can be dissolved into bracket, realize the Continuous slow release effect of drug.
Detailed description of the invention
Fig. 1 is that a kind of bracket 3D of the utility model is layered the structural schematic diagram of printer.
Specific embodiment
In order to preferably understand the technical solution of the utility model, below by specifically embodiment and combine
Attached drawing is described in detail:
Referring to Fig. 1, a kind of bracket 3D of the utility model is layered printer, including printing head pedestal 1 and setting exist
Printing head 11 on printing head pedestal further includes cryogenic vacuum cabinet 2 and bracket mould seat 3.
The bottom of cryogenic vacuum cabinet 2 is equipped with refrigeration machine, and the top of cryogenic vacuum cabinet is 3D printer working space 21, low
Vacuum orifice 22 is offered on the side wall of warm vacuum tank 2.Before starting to process operation, by freezing and vacuumizing operation, make
It obtains under operating condition required for 3D printer working space 21 maintains.Observation window is offered on four peripheral walls of cryogenic vacuum cabinet
Mouthful, watch window uses double layer glass structure, guarantees the heat insulation of cryogenic vacuum cabinet.
Bracket mould seat 3 is arranged on the bottom surface of 3D printer working space 21, and bracket mould seat 3 is equipped with mold rotation
Axis 31 is socketed with bracket mould on mold rotation axis 31.The top of 3D printer working space 21 is arranged in printing head pedestal 1
Portion, printing head 11 carry out the movement of three-dimensional under the drive of printing head pedestal 1.Printing head 11, printing head base
Seat 1 and bracket mould seat 3 are connect with the Mechatronic control system being arranged in outside cryogenic vacuum cabinet respectively.When carrying out 3D printing operation,
Bracket mould carries out high speed rotation under the drive of mold rotation axis 31, printing head 11 under the control of Mechatronic control system
The surface of bracket mould carries out successively spraying to form supporting structure.Printing head 11 removably connects with printing head pedestal 1
It connects, it can be according to the printing head 11 of the required suitable liquid speed degree out of spraying flow selection installation.It is removable on printing head pedestal 1
That unloads is provided with magazine, and magazine is connect with printing head 11, raw material needed for providing printing for printing head 11.Bracket
It is equipped with driving means below mold base 3, the side wall of cryogenic vacuum cabinet is equipped with discharge port 23, and driving means is by material from 3D printing
Machine operation space 21 is delivered to discharge port 23, avoids the bracket handled at low ambient temperatures through human contact.
It, first under normal temperature conditions will be biological when carrying out bracket processing using the bracket 3D layering printer of the utility model
Degradation material dissolves in organic solvent, forms Biodegradable solutions.Solvent includes: acetone, ethyl alcohol, methylene chloride, and three
Chloromethanes, tetrahydrofuran, hexafluoroisopropanol or ethyl acetate organic solvent.For any one organic solvent, it is corresponding to it
Degradation material solvent burden ratio.Then Biodegradable solutions are added with drug in treatment according to the ratio, are then sufficiently stirred
It mixes and stands and form stable mixed solution bubble is discharged.A small amount of silicone oil can be suitably added to promote the stabilization of mixed solution
Property.Mixed solution is added in magazine again, is stood to exclude bubble, magazine is then packed into printing head base
Seat 1, while bracket mould being arranged on the mold rotation axis 31 of bracket mould seat 3.Bracket mould is by breathable stainless steel
Or the materials such as polytetrafluoroethylene (PTFE) (PTFE) are made.It is then turned on refrigeration machine, and 3D printer working space 21 is vacuumized, so that
Operating environment meet demand.Subsequent start-up bracket 3D is layered printer, and mixed solution is sprayed to bracket mould by printing head
On tool, it is adjustable to go out liquid speed degree according to the size and specification of different support for the nozzle of 3D printer.The spray of bracket first layer
Painting time restriction is 2-5min, then carries out duplicate spraying print job, and the backing thickness of every 0.1mm prints 3-5 times.Bracket
After printing, bracket is delivered to by discharge port 23 by driving means, is discharged.
The bracket 3D of the utility model is layered printer, in the process flow applied to low-temperature spray printing, so that low
Supporting structure is carried out under the conditions of temperature to be printed as so that the Application Range of raw material increases, and ensure that organic solvent for possibility
The structural stability of material and biodegradable material, so that the structural strength and stability of bracket have obtained effective promotion.Together
When make that the drug material that can not be added in former high temperature production technique can be added in raw material, realize drug Continuous slow release effect
Fruit.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the Claims scope of the utility model.
Claims (5)
1. a kind of bracket 3D is layered printer, including printing head pedestal and the printing head being arranged on printing head pedestal,
It is characterized in that, further including cryogenic vacuum cabinet and bracket mould seat；
The bottom of the cryogenic vacuum cabinet is equipped with refrigeration machine, and the top of the cryogenic vacuum cabinet is 3D printer working space, In
Vacuum orifice is offered on the side wall of the cryogenic vacuum cabinet；
The bracket mould seat is arranged on the bottom surface of the 3D printer working space, and the bracket mould seat is equipped with mold
Rotation axis is socketed with bracket mould on the mold rotation axis；The printing head pedestal is arranged in the 3D printer operation
The top in space, the printing head carry out the movement of three-dimensional, the printing spray under printing head pedestal drive
It is removably provided with magazine on head pedestal, the magazine is connect with the printing head；
The printing head, the printing head pedestal and the bracket mould seat are respectively with setting outside the cryogenic vacuum cabinet
Mechatronic control system connection.
2. a kind of bracket 3D according to claim 1 is layered printer, which is characterized in that set below the bracket mould seat
There is a driving means, the side wall of the cryogenic vacuum cabinet is equipped with discharge port, and the driving means is by material from 3D printer operation
Space is delivered to discharge port.
3. a kind of bracket 3D according to claim 1 is layered printer, which is characterized in that the printing head is dismountable
It is connect with the printing head pedestal.
4. a kind of bracket 3D according to claim 1 is layered printer, which is characterized in that the surrounding of the cryogenic vacuum cabinet
Watch window is offered on wall.
5. a kind of bracket 3D according to claim 4 is layered printer, which is characterized in that the watch window is using double-deck
Hollow glass structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070007.7U CN209699852U (en) | 2018-12-11 | 2018-12-11 | A kind of bracket 3D layering printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070007.7U CN209699852U (en) | 2018-12-11 | 2018-12-11 | A kind of bracket 3D layering printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209699852U true CN209699852U (en) | 2019-11-29 |
Family
ID=68636056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822070007.7U Active CN209699852U (en) | 2018-12-11 | 2018-12-11 | A kind of bracket 3D layering printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209699852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500991A (en) * | 2022-07-26 | 2022-12-23 | 柏为（武汉）医疗科技股份有限公司 | Ear-nose cavity support and support conveying device |
-
2018
- 2018-12-11 CN CN201822070007.7U patent/CN209699852U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500991A (en) * | 2022-07-26 | 2022-12-23 | 柏为（武汉）医疗科技股份有限公司 | Ear-nose cavity support and support conveying device |
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