CN109822899A - A kind of biological 3D printer of double working modes - Google Patents

A kind of biological 3D printer of double working modes Download PDF

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Publication number
CN109822899A
CN109822899A CN201910287311.3A CN201910287311A CN109822899A CN 109822899 A CN109822899 A CN 109822899A CN 201910287311 A CN201910287311 A CN 201910287311A CN 109822899 A CN109822899 A CN 109822899A
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CN
China
Prior art keywords
printing
printing pen
printer
fixed chuck
print cartridge
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910287311.3A
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Chinese (zh)
Inventor
徐超凡
范太忠
侯庆书
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201910287311.3A priority Critical patent/CN109822899A/en
Publication of CN109822899A publication Critical patent/CN109822899A/en
Pending legal-status Critical Current

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Abstract

A kind of biological 3D printer of double working modes.It is characterized in that there are two types of operating modes for the print module, printer planning path printing type, i.e. machine track printing model both can be used, human assistance printing model can also be used;Wherein print module is made of the 3D printing pen and fixed chuck that can work independently, and 3D printing pen is fixed subject printer control module when on a printer and controlled, and runs by planning path, removes rear manually controllable, i.e. human assistance printing.Wherein dismountable 3D printing pen can play a role under various application occasions, dismountable 3D printing pen design not only can draw high-precision biological support, model under printer control, it can also be different by manually controlling drafting shape, material, demand, the biology exemplar such as the not high biological support of required precision, model, operates convenient for operator;The detachable and manually controllable 3D printing pen design meets the specific demand of in-situ immobilization on clinical medicine, manpower intervention simultaneously, there is great application prospect.

Description

A kind of biological 3D printer of double working modes
Technical field
The present invention relates to a kind of biological 3D printers of double working modes, and in particular to biomaterial and biology increase material system Make field.
Background technique
Biological cell 3D printing is a kind of emerging increases material manufacturing technology, and cell will be contained with the method for increasing material manufacturing by referring to Biomaterial layer upon layer at the 3D solid of certain shapes, development prospect is wide.
Currently, the basic ideas of different kind organism 3D printer design both at home and abroad are all based on the single of printer trajectory planning Operating mode, and in actual demand, there is also the more application scenarios needed using manpower intervention auxiliary printing, such as Body reparation, local correction etc., it will usually design the single artificial track operating mode of biological 3D printing pen.There is not one also at present Both operating modes are combined together by 3D printer, and the printing of printer trajectory planning may be implemented under normal circumstances, Specific demand situation can remove separate unit into artificial track operating mode.
The providing ink design of traditional biological 3D printer is typically all the filling based on needle tubing form, or with pressure The supplement ink of power drive supplements filling in real time.The former needs independent biological operation environment to carry out special disposal and prepare, after Person needs the whole process protection of accurate driving structure design, the ink transport of long range and ink living environment.In addition, this kind is set Meter is easy to cause when replacing bio-ink type, and cross contamination occurs.The independence of ink supply system can abandon design and then may be used To solve this problem, bio-ink is encapsulated in disposable special container structure, is installed to biological 3D printer On, disposition is directly abandoned after use, can thoroughly be solved the above problems.
Summary of the invention
The present invention is directed to this problem, proposes the biological 3D printer for developing a kind of double working modes, is remaining tradition Machine track printing model while, also joined can work independently and can with the 3D printing pen of printer communication, by it Rear hand-holdable operation, i.e. human assistance printing model are removed from stationary fixture;The design of disposable print cartridge is more advantageous to printing The preservation and replacement of material reduce printed material in whole printing process with the touch opportunity of pollution sources, reduce material and get dirty The chance of dye improves print quality.The print module design of double working modes not only meets more spray heads of common biological 3D printing, more The requirement of material reduces the use difficulty of printer, and also meeting clinically in-situ immobilization, live relief, human assistance etc. makes With demand, it is expected to greatly expand biological 3D printing using crowd, creates good society and economic benefit.
The present invention uses following technical proposal:
A kind of biological 3D printer of double working modes, the support construction mainly including compositions such as shell, support rods, X, Y, The three-dimensional movement platform of the printer of Z axis movement mechanism composition, storage device, forming platform, printhead module, display screen etc..
Above-mentioned print module include can independently operated 3D printing pen and fixed chuck, fixed chuck be fixed on Y-axis On movement mechanism, the lower Positioning holes on upper location hole and fixture pallet that 3D printing pen passes through fixed chuck top surface are mounted on solid On clamp head, change the distance of two sides fixture by adjusting rotation stud, to realize the fixation of 3D printing pen and remove.
Above-mentioned 3D printing housing main body, lithium battery, PCB control panel, motor, connecting shaft feed push rod, print cartridge, control The composition such as key, shell lower end.
Wherein, wherein the housing main part side of 3D printing pen has the control panel of PCB control panel and 3D printer to communicate Communicating hole;The control module of printer can be connected with connecting line with the control panel of printing pen, be may be implemented between the two Communication is realized and was discharged by the movement of printer institute's planning path, print cartridge to make the control for printing a subject printer control module Journey is controlled, i.e. machine track printing model;Connecting line can also be removed, then printing pen is removed from stationary fixture, is held Print pen movement, printing, i.e. human assistance printing model;The control that the housing main part side of above-mentioned 3D printing pen has control to print Key;The lithium battery of above-mentioned 3D printing pen is fixed on the PCB control panel;The motor output shaft direction of above-mentioned 3D printing pen The axis direction of the housing main body, one end of the connecting shaft are connected with motor output shaft, and the other end is connected through a screw thread to be pushed away with feeding Bar is connected;Above-mentioned feeding push rod is hollow stem, inside there is screw thread, and feeding push rod upper end is connected with connecting shaft, lower end and insertion print cartridge In end cap groove on sealing cover, end cap groove shapes are identical as the feeding shape of push rod lower end;The housing main body and shell Lower end is connected by buckle.
Wherein, the print cartridge is made of print cartridge sealing cover, cartridge case, print cartridge extruder head, flexible rubber mouth cap.Printing Material is filling in the space being formed by by print cartridge sealing cover, cartridge case, print cartridge extruder head, and from print cartridge sealing cover to Lower movement squeezes out printed material.
Wherein the flexible rubber mouth cap has aperture, non-aperture two types.Before being not used, in storage, moving process In, ink cartridge nozzle end uses the mouth cap of non-aperture, can prevent the printed material in print cartridge from revealing, pollution sources are isolated; The replaceable flexible rubber mouth cap for being provided with different sizes, shaped hole, can be such that printed material squeezes during printing, use Process is more smooth out and can obtain strands of material of different shapes, improves print quality, to be suitable for different application scenarios.
The discharging process of printing pen is further described below, in the use process of printing pen, in printing pen On central axis direction, after startup power supply, motor starts to rotate, so drive connecting shaft move together, at this moment with connecting shaft lower end The feeding push rod being connected through a screw thread starts to move downward, groove of the feeding push rod lower end due to the end cap of insertion print cartridge sealing cover It is interior, then it feeds push rod and will push print cartridge sealing cover and move downward, and then condensed type material, material is squeezed from print cartridge extruder head Out.
The fixed chuck includes fixed chuck frame, fixture pallet, fixture, elastic stud, spring etc..The fixing clamp There is location hole in cylinder in head frame top surface, and bore dia is identical as the printing shape of housing main body of pen;There is cylinder in side Shape through-hole, diameter and the elastic stud are identical as one section of the diameter that fixed chuck frame is in contact;The fixture pallet has Bellmouth, taper are identical as the printing shell lower end of pen;There is screw thread in described elastic stud one end, puts in fixed chuck frame Inside is connected with fixture by screw thread;The spring is gone here and there completely on elastic stud, be located at fixture and fixed chuck frame it Between.
The invention has the following beneficial effects:
3D printing pen both hand-holdable manual print, is also mountable to carry out High Precision Automatic printing on 3D printer, two kinds Printing model is suitble to different needs, more flexibly.
Disposable replacing ink cartridge in 3D printing pen is convenient, can replace various sizes of spray head by replacement print cartridge, and It is aided with different flexible rubber mouth caps, makes the more samples of material harness shape squeezed out, extrusion process is more smooth, improves printing matter Amount.
3D printing pen is applicable not only to high-precision, automatically commonly biological 3D printing, moreover it is possible to hand-held clinical using being suitable for On " in-situ immobilization ", need the scene of manpower intervention, scene, real-time perfoming operation.
3D printing pen determines position by the upper and lower location hole on fixed chuck, by elastic stud adjust two sides fixture away from From, and then fix, remove printing pen, it is easy to dismount.
Detailed description of the invention
Fig. 1 is the overall structure diagram of biological 3D printer
Fig. 2 is the structural schematic diagram of 3D printing pen
Fig. 3 is the overall structure diagram of print cartridge
Fig. 4 is the structural schematic diagram of fixed chuck
In figure: 1, support construction;2, storage device;3, forming platform;4, X-axis movement mechanism;5, Y-axis movement mechanism;6, 3D printing pen;7, fixed chuck;8, Z axis movement mechanism;9, display screen;10, housing main body;11, motor;12, connecting shaft;13, Lithium battery;14, communicating hole;15, PCB control panels;16, feed push rod;17, sealing cover end cap;18, print cartridge sealing cover;19, control Key;20, print cartridge;21, print cartridge extruder head;22 shell lower ends;23, flexible rubber mouth cap;24, cartridge case;25, fixed chuck Frame;26, upper location hole;27, elastic stud;28, spring;29, fixture;30, fixture pallet;31, lower Positioning holes;32, connection Hole.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects of the invention are consistent.
To the principle of the biological 3D printer of double working modes a kind of in the present invention and make below by specific embodiment It is described in detail with process:
It is the filling of material first, as shown in Fig. 3, removes print cartridge sealing cover (18) first, printed material is packed into ink It in box cavity, is subsequently filled into print cartridge sealing cover (18), then loads onto not opening flexible rubber mouth in print cartridge extruder head (21) end Cap (23), prevents the leakage of material.
The followed by installation and storage of print cartridge (20), as shown in Fig. 2, canned print cartridge (20) can be directly loadable into 3D It prints and carries out printing in pen (6), can also be put into storage device (2) and temporarily save;It is first when being fitted into 3D printing pen (6) First rotational shell lower end (22) is allowed to separate with housing main body (10), and print cartridge sealing cover (18) end is then inserted upwardly into printing pen In cavity, keep the groove of print cartridge sealing cover end cap (17) and the lower end for feeding push rod (16) mutually chimeric, it then again will be under shell End (22) reinstalls in printing pen (6), completes the installation of print cartridge (20).
As shown in Fig. 2, after the installation is completed, printing pen (6) can begin to use print cartridge (20), first by print cartridge extruder head (21) the flexible rubber mouth cap (23) of the non-aperture of end removes the flexible rubber mouth cap (23) for being changed to required aperture, then exists Power button, subsequent long-pressing discharging key are pressed at control button (19), printed material will squeeze out, hand-held, i.e., manually Assist printing model.
In another operating mode, i.e. machine track printing model needs fixed chuck (7) being installed to printer On movement mechanism, then printing pen (6) is installed on fixed chuck (7), the road that printing pen (6) can be planned with printer Diameter movement, 1,4 is described further with reference to the accompanying drawing.
Connecting hole (32) are provided in fixed chuck (7) two sides, is connected through a screw thread fixed chuck (7) can be installed to and beat On print machine Y-axis movement mechanism (5), rotation is sent elastic stud (27), and spring (28) rebound makes fixed chuck (7) two sides fixture (29) The distance between become larger, make print pen (6) can by above and below (26,31) location hole be installed on fixed chuck (7), then again It screws elastic stud (27), spring (28) compression makes the distance between fixed chuck (7) two sides fixture (29) become smaller, thus real It now clamps, fixed printing pen (6).
After installing fixed chuck (6) and printing pen (7), printer can start to work, soft with three-dimensional modeling first The exemplar model that part prints needed for designing, is then sliced with Slice Software, corresponding movement instruction file is arranged, then Movement instruction file is imported into the control module of printer by storage device, followed in turn by connecting line by the control module of printer It is connected with the communication interface of printing pen, to realize the discharging process subject printer path planning control of printing pen, then turns on Printer power supply selects printer model to start to print, i.e. machine track printing model.
Combine detailed description and exemplary example that the application is described in detail above, but these explanations are simultaneously It should not be understood as the limitation to the application.It, can be to present techniques side without departing from the application spirit and scope Case and embodiments thereof carry out a variety of equivalent substitution, modification or improvements, these each fall in scope of the present application.The guarantor of the application Shield range is determined by the appended claims.

Claims (9)

1. a kind of biological 3D printer of double working modes, it is characterised in that there are two types of the print module of operating mode, printings for tool Module is made of 3D printing pen (6) and fixed chuck (7).
2. 3D printing pen (6) according to claim 1, which is characterized in that there are two types of operating modes for the printing pen (6).It can Printer control module connect and is communicated with the communicating hole (14) of printing pen (6) by connecting line, can make printing pen (6) with The path that printer is planned moves, and the process that discharges also is controlled, i.e. machine track printing model;It can also be by connecting line It removes, and printing pen is removed from fixed chuck (7), and pass through the control in printing housing main body (10) from communicating hole (14) Key (19) processed prints to hold operation, i.e. human assistance printing model.
3. 3D printing pen (6) according to claim 1 or 2, it is characterised in that the module is by housing main body (10), lithium battery (13), PCB control panel (15), motor (11), connecting shaft (12), it is feeding push rod (16), print cartridge (20), control button (19), outer Shell lower end (22), the composition such as flexible rubber mouth cap (23).Wherein there is PCB control panel in housing main body (10) side of 3D printing pen (15) communicating hole (14) communicated with the control panel of 3D printer;Housing main body (10) side of above-mentioned 3D printing pen (6) has Control the control button (19) of printing;The lithium battery (13) of above-mentioned 3D printing pen is fixed on above the PCB control panel (15); The motor output shaft of above-mentioned 3D printing pen (6) towards the housing main body (10) axis direction, connecting shaft (12) one end and electricity Machine output shaft is connected, and the other end is connected through a screw thread to be connected with feeding push rod (16);On above-mentioned feeding push rod (16) upper end in succession Spindle (12), lower end are embedded in the groove of the end cap (17) of print cartridge sealing cover (18).
4. print cartridge (20) according to claim 3, which is characterized in that the print cartridge (20) be it is disposable, can shift to an earlier date Wherein pouring into different printed materials and be put into storage in save set (2), need using when print cartridge (20) are taken out And it is fitted into 3D printing pen (6).
5. print cartridge (20) according to claim 4, which is characterized in that the print cartridge is by print cartridge sealing cover (18), cartridge case (24), print cartridge extruder head (21) and flexible rubber mouth cap (23) composition, printed material it is filling in by print cartridge sealing cover (18), In the space that cartridge case (24), print cartridge extruder head (21) are formed by, and extrusion is moved downward by print cartridge sealing cover (18) Printed material.
6. flexible rubber mouth cap (23) according to claim 5, which is characterized in that flexible rubber mouth cap (23) have aperture, Non- aperture two types.Before being not used, in storage, moving process, ink cartridge nozzle end uses the mouth cap of non-aperture, It can prevent the printed material in print cartridge from revealing;It is replaceable during printing, use to be provided with different sizes, shaped hole Flexible rubber mouth cap (23) can make printed material extrusion process more smooth and can obtain strands of material of different shapes, to be suitable for Different application scenarios.
7. fixed chuck (7) according to claim 1, which is characterized in that can be by 3D printing by the fixed chuck (7) Pen (6) consolidation can be such that printing pen (6) moves with the path that printer is planned on the Y-axis movement mechanism (5) of printer, and And discharging process is also controlled;The distance that two sides fixture (29) can be controlled by adjusting elasticity stud (27) simultaneously, from And realize printing pen (6) installation with remove.
8. fixed chuck (7) according to claim 1 or claim 7, which is characterized in that the stationary fixture includes fixed chuck frame The composition such as frame (25), fixture pallet (30), fixture (29), elastic stud (27), spring (28).Above-mentioned fixed chuck frame (25) It is made of top surface and two sides;Above-mentioned stationary fixture frame top surface has location hole in cylinder (26), and bore dia is beaten with above-mentioned Housing main body (10) shape for printing pen is identical;There are cylindrical hole, diameter and above-mentioned pine in above-mentioned fixed chuck frame (25) side Tight stud (27) is identical as one section of the diameter that stationary fixture frame (25) is in contact;Above-mentioned fixture pallet (30) has fixed under taper Position hole (31), taper are identical as shell lower end (22) of above-mentioned printing pen (6);There is screw thread in above-mentioned elastic stud (27) one end, stretches It is internal into fixed chuck frame (25), it is connected with fixture (29) by screw thread;Above-mentioned spring (28) string completely of stating is in elastic stud (27) on, between fixture (29) and fixed chuck frame (25).Connecting hole is provided on the both side plate of above-mentioned fixed chuck (7) (32), it can be connected through a screw thread and fixed chuck (7) is fixed on Y-axis movement mechanism (5), the 3D on fixed chuck (7) can be made Printing pen (6) can follow printer planning path to move, i.e. machine track printing model;It can also be by 3D printing pen (6) from fixation Collet is removed on (7), hand-held, i.e. human assistance printing model.
9. printhead module according to claim 1, which is characterized in that in the component part of the fixed chuck (7) It may include the even number fixture (29) for having 2,4,6 or more, be corresponding in turn at the top of fixed chuck frame (25) in order And the quantity of the upper and lower location hole (26,31) in fixture pallet (30) is 1,2,3 or more naturally several.
CN201910287311.3A 2019-04-08 2019-04-08 A kind of biological 3D printer of double working modes Pending CN109822899A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023244197A1 (en) * 2022-06-13 2023-12-21 Adbioink Bi̇yosi̇stem Teknoloji̇ Anoni̇m Şi̇rketi̇ Extrusion-based and portable handheld three-dimensional bioprinter

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CN207643717U (en) * 2017-11-22 2018-07-24 东莞市祥企印刷制品有限公司 A kind of wireless 3D printing pen
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CN204054677U (en) * 2014-10-14 2014-12-31 吉庆贵 3D prints pen
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Publication number Priority date Publication date Assignee Title
WO2023244197A1 (en) * 2022-06-13 2023-12-21 Adbioink Bi̇yosi̇stem Teknoloji̇ Anoni̇m Şi̇rketi̇ Extrusion-based and portable handheld three-dimensional bioprinter

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