CN109243255A - A kind of experimental teaching 3D printing apparatus for demonstrating - Google Patents
A kind of experimental teaching 3D printing apparatus for demonstrating Download PDFInfo
- Publication number
- CN109243255A CN109243255A CN201811320733.8A CN201811320733A CN109243255A CN 109243255 A CN109243255 A CN 109243255A CN 201811320733 A CN201811320733 A CN 201811320733A CN 109243255 A CN109243255 A CN 109243255A
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- fixedly connected
- material stock
- fixing seat
- cover
- motor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/314—Preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Coating Apparatus (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of experimental teaching 3D printing apparatus for demonstrating, including three axis mobile mechanisms, connection shell, connecting tube, output connecting head, material stock shell, material stock chamber, piston, valve, groove body, check valve, tube body, feeding cover, sealing cover, fixed lid and gasket；The present invention is simply equipped with graduation mark with structurally reasonable on tube body outer surface here, consequently facilitating understanding the amount of storage of material in material stock chamber at any time, avoids the occurrence of the infull phenomenon of printing to add corresponding material in time, also just improves the effect of demonstration；Valve is constant pressure air valve, to ensure that piston on the side air pressure is in pressure constant state always, when input port is connected with corresponding radially connected hole, material can be uniformly transported in inner cavity in time, then spray landscape orientation by spray head again, also just improve the uniformity of printing；The motor two of setting, the then the phenomenon that material in inner cavity capable of being stirred, be agglomerated so as to avoid material by stirring blade.
Description
Technical field
The present invention relates to teaching equipment correlative technology field, in particular to a kind of experimental teaching 3D printing apparatus for demonstrating.
Background technique
Facts proved that some show bad student in traditional education, it is primarily due to learned course theoretical property too
By force, not interested, memorize mechanically abstract concept and student is allowed to pass through examination, but take an examination and just have forgotten quickly later, so many schools
Gropingly creating new teaching models, school is integrated 3D printing system and teaching system in recent years, has obtained good effect.3D
Printer can allow uninteresting course to become vividly, it is mode of learning that is a kind of while possessing vision and tactile, have
Very strong temptation, in tactile study, student does not see text or figure simply on blackboard or display, passes through
Their tactile catches the threedimensional model of key concept, can absorb and digest in this way knowledge, forgets student no longer and is learned
Course.Student can be improved in the advantage of aspect that masters a skill in one side 3D printer, improves the scientific and technological attainment of student, another party
The three-dimensional model that face is printed using 3D printer significantly improves the design creativity of student；And existing 3D printing is drilled
Showing device function is fairly simple, and the color especially printed is relatively simple.
Summary of the invention
The object of the invention is that a kind of experimental teaching 3D printing apparatus for demonstrating is provided to solve the above-mentioned problems,
It is fairly simple to solve existing 3D printing apparatus for demonstrating function, the relatively simple problem of the color especially printed.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions: a kind of experimental teaching D printing demonstration dress
It sets, including three axis mobile mechanisms, innovative point are: further including connection shell, connecting tube, output connecting head, material stock shell, deposits
Expect chamber, piston, valve, groove body, check valve, tube body, feeding cover, sealing cover, fixed lid and gasket；The connection shell is fixed
It is connected in three axis mobile mechanisms, the connection case top is fixedly connected with material stock shell；The material stock enclosure interior is uniform
Equipped with several material stock chambers, opening is fixedly connected with fixed lid on the upside of the material stock shell；The intracavitary portion of material stock vertically lives
It is dynamic to be connected with piston, output connecting head is fixedly connected at the material stock chamber underside outlet；Go out on the downside of the output connecting head
Connecting tube is fixedly connected at mouthful；The top land is fixedly connected to tube body；Vertical movable connects on the upside of the tube body
It connects in fixed lid in the hole of corresponding position, the tube body underside outlet passes through check valve and is connected with the intracavitary portion of corresponding material stock
It is logical, feeding cover is equipped at the tube body upper inlet；Annular trough body, the fixed hd top face are equipped in the fixed hd top face
On be fixedly connected with sealing cover, between the fixed base face edge and the material stock housing top surface be equipped with gasket；It is described
It is fixedly connected with valve at groove body left hand inlet port, passes through several apertures on the downside of the groove body respectively and in the intracavitary portion of corresponding material stock
Side is connected.
Preferably, further including motor one, motor two, driven gear, connection cover, input connector, vertical connecting hole, diameter
To connecting hole, sealing-plug, bottom cover, fixing seat, sealing ring, spray head, agitating shaft, stirring blade, inner cavity, lower seal, input port,
Movable valve plug, upper seal and driving gear；Connection shell lower inner part, the fixation are fixedly connected on the upside of the fixing seat
Seat center of top is fixedly connected with connection cover；The movable valve plug is movably connected in inside fixing seat central upper, the activity
Spool lower inner part is equipped with inner cavity, and the movable valve plug upper side external is fixedly connected with driven gear, the movable valve plug upside
It is external to be equipped with upper seal between the fixing seat central upper upper inside, on the downside of the movable valve plug it is external with it is described solid
Lower seal is equipped between reservation central upper inner lower；It is connected on the left of the driven gear with driving gear；The master
Moving gear center is fixedly connected on one downside output shaft of motor；The motor one is fixedly connected on connection cover upper left side；It is described
Motor two is fixedly connected on connection cover center of top, is fixedly connected with agitating shaft on the two downside output shaft end of motor；It is described
It is flexibly connected in the lumen on the downside of agitating shaft, several stirring blades is fixedly connected with outside the agitating shaft；The inner cavity is left
Upside is equipped with input port；The input port outer inlet is connected on the inside of corresponding radially connected hole respectively；The radial direction connects
Connect hole be it is several, rounded arrangement is uniformly located in fixing seat respectively in the radially connected hole, and the radially connected hole outside is opened
It is equipped with sealing-plug in mouthful, is equipped with vertical connecting hole on the radially connected hole outside；The vertical connecting hole upper inlet
Place is fixedly connected to input connector；The input connector upper inlet is connected with corresponding connecting tube underside outlet respectively
It connects；It is fixedly connected on fixing seat bottom at the top of the bottom cover, is equipped with sealing between the fixing seat bottom at the top of the bottom cover
Circle, the bottom cover bottom center are fixedly connected with spray head；The spray head upper inlet is connected with inner cavity.
Preferably, the valve is constant pressure air valve.
Preferably, being equipped with manual exhaust valve in the fixed lid.
Preferably, the tube body outer surface is equipped with graduation mark.
Preferably, the motor one is stepper motor.
Beneficial effects of the present invention:
(1) present invention have it is structurally reasonable it is simple, production cost is low, easy for installation, multiple functional, here outside tube body
Surface is equipped with graduation mark, consequently facilitating understanding the amount of storage of material in material stock chamber, at any time to add corresponding material in time
It avoids the occurrence of and prints infull phenomenon, also just improve the effect of demonstration.
(2) valve is constant pressure air valve in the present invention, to ensure that piston on the side air pressure is in pressure constant state always, when defeated
Material can be uniformly transported in inner cavity in time when entrance is connected with corresponding radially connected hole, then be sprayed again by spray head
Landscape orientation also just improves the uniformity of printing.
(3) motor two being arranged in the present invention, then can be stirred the material in inner cavity by stirring blade, thus
The phenomenon that material agglomerates is avoided, the quality of printing is also just improved.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is partial top view of the invention.
Tri- axis mobile mechanism of 1-；2- connection shell；3- connecting tube；4- output connecting head；5- material stock shell；6- material stock chamber；
7- piston；8- valve；9- groove body；10- check valve；11- tube body；12- feeding cover；13- sealing cover；The fixed lid of 14-；15- sealing
Pad；16- motor one；17- motor two；18- driven gear；19- connection cover；20- inputs connector；The vertical connecting hole of 21-；22-
Radially connected hole；23- sealing-plug；24- bottom cover；25- fixing seat；26- sealing ring；27- spray head；28- agitating shaft；29- paddle
Piece；The inner cavity 30-；31- lower seal；The input port 32-；33- movable valve plug；34- upper seal；35- driving gear.
Specific embodiment
As depicted in figs. 1 and 2, present embodiment uses following technical scheme: a kind of experimental teaching is drilled with 3D printing
Showing device, including three axis mobile mechanisms 1 further include connection shell 2, connecting tube 3, output connecting head 4, material stock shell 5, material stock chamber
6, piston 7, valve 8, groove body 9, check valve 10, tube body 11, feeding cover 12, sealing cover 13, fixed lid 14 and gasket 15；It is described
Connection shell 2 is fixedly connected in three axis mobile mechanisms 1, is fixedly connected with material stock shell 5 at the top of the connection shell 2；It is described
Several material stock chambers 6 are uniformly provided with inside material stock shell 5, the 5 upside opening of material stock shell is fixedly connected with fixed lid 14；Institute
It states 6 inside vertical movable of material stock chamber and is connected with piston 7, output connection is fixedly connected at 6 underside outlet of material stock chamber
First 4；Connecting tube 3 is fixedly connected at 4 underside outlet of output connecting head；Pipe is fixedly connected at the top of the piston 7
Body 11；The 11 upside vertical movable of tube body is connected in fixed lid 14 in the hole of corresponding position, is gone out on the downside of the tube body 11
Mouth by being connected inside check valve 10 and corresponding material stock chamber 6, is equipped with feeding cover 12 at 11 upper inlet of tube body；
It is equipped with annular trough body 9 in 14 top surface of fixed lid, is fixedly connected with sealing cover 13, the fixation on fixed 14 top surface of lid
Gasket 15 is equipped at 14 bottom edge of lid between 5 top surface of material stock shell；It is fixedly connected at 9 left hand inlet port of groove body
There is valve 8, is connected respectively with corresponding 6 upper inside of material stock chamber on the downside of the groove body 9 by several apertures.
Wherein, further include motor 1, motor 2 17, driven gear 18, connection cover 19, input connector 20, vertically connect
Connect hole 21, radially connected hole 22, sealing-plug 23, bottom cover 24, fixing seat 25, sealing ring 26, spray head 27, agitating shaft 28, paddle
Piece 29, inner cavity 30, lower seal 31, input port 32, movable valve plug 33, upper seal 34 and driving gear 35；The fixing seat
25 upsides are fixedly connected on connection 2 lower inner part of shell, and 25 center of top of fixing seat is fixedly connected with connection cover 19；It is described
Movable valve plug 33 is movably connected in inside 25 central upper of fixing seat, and 33 lower inner part of movable valve plug is equipped with inner cavity 30, institute
It states 33 upper side external of movable valve plug and is fixedly connected with driven gear 18,33 upper side external of movable valve plug and the fixing seat 25
Upper seal 34 is equipped between central upper upper inside, on the downside of the movable valve plug 33 in 25 upside of outside and the fixing seat
It entreats and is equipped with lower seal 31 between inner lower；18 left side of driven gear is connected with driving gear 35；The driving tooth
35 centers are taken turns to be fixedly connected on one 16 downside output shaft of motor；The motor 1 is fixedly connected on 19 upper left side of connection cover；
The motor 2 17 is fixedly connected on 19 center of top of connection cover, is fixedly connected with and stirs on the 2 17 downside output shaft end of motor
Mix axis 28；It is movably connected in inner cavity 30 on the downside of the agitating shaft 28, is fixedly connected with several outside the agitating shaft 28 and stirs
Mix blade 29；30 upper left side of inner cavity is equipped with input port 32；32 outer inlet of input port connects with corresponding radial direction respectively
It connects and is connected on the inside of hole 22；The radially connected hole 22 be it is several, the radially connected hole 22 respectively it is rounded arrangement uniformly set
In fixing seat 25, it is equipped with sealing-plug 23 in radially connected 22 outer openings of hole, on radially connected 22 outside of hole
It is equipped with vertical connecting hole 21；Input connector 20 is fixedly connected at 21 upper inlet of vertical connecting hole；It is described defeated
Enter 20 upper inlet of connector to be connected with corresponding 3 underside outlet of connecting tube respectively；It is fixedly connected at the top of the bottom cover 24
25 bottom of fixing seat is equipped with sealing ring 26,24 bottom of bottom cover between 24 top of bottom cover and 25 bottom of the fixing seat
Center is fixedly connected with spray head 27；It is connected inside 27 upper inlet of spray head and inner cavity 30.
Wherein, the valve 8 is constant pressure air valve；Manual exhaust valve is equipped in the fixed lid 14；Outside the tube body 11
Surface is equipped with graduation mark；The motor 1 is stepper motor.
Use state of the invention are as follows: the present invention have it is structurally reasonable it is simple, production cost is low, easy for installation, function is neat
Entirely, in use, being first turned on the manual exhaust valve in feeding cover 12 and fixed lid 14, then pass through syringe for different colours
Material is injected into respectively in corresponding material stock chamber 6, graduation mark is equipped on 11 outer surface of tube body here, consequently facilitating at any time
The amount of storage of material in material stock chamber 6 is solved, the infull phenomenon of printing is avoided the occurrence of to add corresponding material in time, also just improves
The effect of demonstration, valve 8 is constant pressure air valve here, to ensure that 7 upside air pressure of piston is in pressure constant state always, when defeated
Material can be uniformly transported in inner cavity 30 in time when entrance 32 is connected with corresponding radially connected hole 22, then again by spraying
First 27 spray landscape orientation, and the motor 2 17 for also just improving the uniformity of printing, and being arranged can then pass through stirring blade 29
The phenomenon that material in inner cavity 30 is stirred, is agglomerated so as to avoid material also just improves the quality of printing.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of experimental teaching 3D printing apparatus for demonstrating, including three axis mobile mechanisms (1), it is characterised in that: further include connection
Shell (2), connecting tube (3), output connecting head (4), material stock shell (5), material stock chamber (6), piston (7), valve (8), groove body
(9), check valve (10), tube body (11), feeding cover (12), sealing cover (13), fixed lid (14) and gasket (15)；
The connection shell (2) is fixedly connected in three axis mobile mechanisms (1), is fixedly connected at the top of the connection shell (2)
Material stock shell (5)；
Several material stock chambers (6) are uniformly provided with inside the material stock shell (5), opening is fixed on the upside of the material stock shell (5) connects
It is connected to fixed lid (14)；
The internal vertical movable of the material stock chamber (6) is connected with piston (7), fixed at material stock chamber (6) underside outlet to connect
It is connected to output connecting head (4)；
Connecting tube (3) are fixedly connected at output connecting head (4) underside outlet；
Tube body (11) are fixedly connected at the top of the piston (7)；
Vertical movable is connected in fixed lid (14) in the hole of corresponding position, under the tube body (11) on the upside of the tube body (11)
Side outlet passes through to be connected inside check valve (10) and corresponding material stock chamber (6), is all provided at tube body (11) upper inlet
There are feeding cover (12)；
Annular trough body (9) are equipped in described fixed lid (14) top surface, are fixedly connected with sealing cover on described fixed lid (14) top surface
(13), gasket (15) are equipped between the material stock shell (5) top surface at described fixed lid (14) bottom edge；
Be fixedly connected with valve (8) at groove body (9) left hand inlet port, on the downside of the groove body (9) by several apertures respectively with
Corresponding material stock chamber (6) upper inside is connected.
2. a kind of experimental teaching 3D printing apparatus for demonstrating according to claim 1, it is characterised in that: further include motor one
(16), motor two (17), driven gear (18), connection cover (19), input connector (20), vertical connecting hole (21), radial direction connect
Connect hole (22), sealing-plug (23), bottom cover (24), fixing seat (25), sealing ring (26), spray head (27), agitating shaft (28), paddle
Piece (29), inner cavity (30), lower seal (31), input port (32), movable valve plug (33), upper seal (34) and driving gear
(35)；
Connection shell (2) lower inner part is fixedly connected on the upside of the fixing seat (25), fixing seat (25) center of top is solid
Surely connection cover (19) are connected with；
The movable valve plug (33) is movably connected in inside fixing seat (25) central upper, movable valve plug (33) lower inner part
Equipped with inner cavity (30), movable valve plug (33) upper side external is fixedly connected with driven gear (18), the movable valve plug (33)
Upper seal (34) are equipped between upper side external and the fixing seat (25) central upper upper inside, the movable valve plug (33)
Lower seal (31) are equipped between the fixing seat (25) central upper inner lower outside downside；
It is connected on the left of the driven gear (18) with driving gear (35)；
Driving gear (35) center is fixedly connected on the downside of motor one (16) on output shaft；
The motor one (16) is fixedly connected on connection cover (19) upper left side；
The motor two (17) is fixedly connected on connection cover (19) center of top, solid on output shaft end on the downside of the motor two (17)
Surely agitating shaft (28) are connected with；
It is movably connected in inner cavity (30) on the downside of the agitating shaft (28), is fixedly connected with several outside the agitating shaft (28)
Stirring blade (29)；
Inner cavity (30) upper left side is equipped with input port (32)；
Input port (32) outer inlet is connected on the inside of corresponding radially connected hole (22) respectively；
The radially connected hole (22) be it is several, rounded arrangement is uniformly located at fixing seat to the radially connected hole (22) respectively
(25) it in, is equipped with sealing-plug (23) in radially connected hole (22) outer openings, on radially connected hole (22) outside
It is equipped with vertical connecting hole (21)；
Input connector (20) is fixedly connected at vertical connecting hole (21) upper inlet；
Input connector (20) upper inlet is connected with corresponding connecting tube (3) underside outlet respectively；
Be fixedly connected on fixing seat (25) bottom at the top of the bottom cover (24), at the top of the bottom cover (24) with the fixing seat (25)
Sealing ring (26) are equipped between bottom, bottom cover (24) bottom center is fixedly connected with spray head (27)；
It is connected inside spray head (27) upper inlet and inner cavity (30).
3. a kind of experimental teaching 3D printing apparatus for demonstrating according to claim 1, it is characterised in that: the valve (8)
For constant pressure air valve.
4. a kind of experimental teaching 3D printing apparatus for demonstrating according to claim 1, it is characterised in that: the fixed lid
(14) manual exhaust valve is equipped in.
5. a kind of experimental teaching 3D printing apparatus for demonstrating according to claim 1, it is characterised in that: the tube body (11)
Outer surface is equipped with graduation mark.
6. a kind of experimental teaching 3D printing apparatus for demonstrating according to claim 2, it is characterised in that: the motor one
It (16) is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320733.8A CN109243255B (en) | 2018-11-07 | 2018-11-07 | 3D prints presentation device for experiment teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320733.8A CN109243255B (en) | 2018-11-07 | 2018-11-07 | 3D prints presentation device for experiment teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243255A true CN109243255A (en) | 2019-01-18 |
| CN109243255B CN109243255B (en) | 2021-03-23 |
Family
ID=65077293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811320733.8A Active CN109243255B (en) | 2018-11-07 | 2018-11-07 | 3D prints presentation device for experiment teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243255B (en) |
Cited By (2)
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|---|---|---|---|---|
| CN110539480A (en) * | 2019-09-25 | 2019-12-06 | 李筱穗 | FDM shower nozzle extrusion pressure stable structure |
| CN110861303A (en) * | 2019-11-27 | 2020-03-06 | 常州机电职业技术学院 | Active-passive mixed 3D printing nozzle |
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