CN208558307U - A kind of miniature 3D printer of FDM for teaching - Google Patents
A kind of miniature 3D printer of FDM for teaching Download PDFInfo
- Publication number
- CN208558307U CN208558307U CN201820777649.8U CN201820777649U CN208558307U CN 208558307 U CN208558307 U CN 208558307U CN 201820777649 U CN201820777649 U CN 201820777649U CN 208558307 U CN208558307 U CN 208558307U
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- Prior art keywords
- servo motor
- longitudinal
- nut
- vertical
- rack
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Abstract
The utility model discloses a kind of miniature 3D printers of the FDM for teaching, including pedestal, rack, controller and program entry device, the rack is fixed on the base, and it is provided with printing equipment, being provided on the pedestal can be moved forward and backward by servo longitudinal motor driven, the positioning device moved left and right is driven by lateral servo motor, the rack is equipped with the connecting plate that can be moved up and down by vertical servo motor driven, the printing equipment is mounted on connecting plate, Arduino Nano single-chip microcontroller built in the controller and Grbl09 digital control system, and and printing equipment, servo longitudinal motor, lateral servo motor is connected with vertical servo motor, described program input device is connect with controller；The 3D printing that plastic product is realized by Arduino Nano single-chip microcontroller and the control of Grbl09 digital control system, has the advantages of simple structure and easy realization, manufacturing cost is low, more schools can be allowed effectively to purchase, make student obtain more practicing operation chance, preferably to promote teaching.
Description
Technical field
The utility model relates to 3D printing technique fields, more particularly to a kind of plastic product 3D printer of FDM technology.
Background technique
Melting extrusion molding (Fused Deposition Modeling) use thermoplastic material, as wax, ABS,
The filamentary materials such as PLA can be heated to molten state squeezing out in spray head, spray head is then along part section profile and filling track
Movement, while the material of molten condition being squeezed out, the material being extruded solidifies rapidly, and bonding with the material of surrounding, each
A lamella is accumulated on upper one layer, and upper one layer is played the role of positioning and support to current layer；In addition, China university
NC blanking and Computerized Numerical Control processing technology etc. in relation to numerically-controlled machine tool in terms of course, it is theoretical that comprehensive numerical control can be provided for college student
Knowledge, in order to allow student can quickly, intuitively understand FDM technology, needed in teaching process FDM3D printer as teaching work
Tool, but structure is complicated for existing FDM3D printer, it is with high costs, cause equipment price expensive, many schools powerlessly purchase,
And then the practice for influencing student operates chance, can not preferably promote teaching；In addition, existing FDM3D printer printing is steady
It is qualitative poor, it is difficult to effectively to ensure printing precision.Therefore, it is necessary to improve and optimize to the prior art.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of miniature 3D printer of the FDM for teaching, with
Just cost is reduced, more schools is made to have the ability to purchase.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of miniature 3D printer of FDM for teaching, including pedestal, rack, controller and program entry device, it is described
Rack is fixed on the base, and is provided with printing equipment, and being provided on the pedestal can be by servo longitudinal motor driven
It is moved forward and backward, drives the positioning device moved left and right by lateral servo motor, the rack, which is equipped with, can pass through vertical servo
The connecting plate that motor driven moves up and down, the printing equipment are mounted on connecting plate, Arduino built in the controller
Nano single-chip microcontroller and Grbl09 digital control system, and it is electric with printing equipment, servo longitudinal motor, lateral servo motor and vertical servo
Machine connection, described program input device are connect with controller；The printing equipment include the extrusion seat that is arranged on connecting plate and
The feeding motor of filament-type plastic raw material is conveyed, the first joint of conveying material pipe is equipped on the upside of the extrusion seat, downside is equipped with and first
The corresponding thermofusion device of joint of conveying material pipe, the feeding motor end are equipped with feed box, are equipped with second on the upside of the feed box and send
Expects pipe connector, downside are equipped with raw material inlet, are connected with feeding between first joint of conveying material pipe and the second joint of conveying material pipe
Pipe, the thermofusion device downside are connected with nozzle, are equipped with the reduction gearing connecting with feeding motor output end in the feed box
Group and the drawing-inroller driven by train of reduction gears, are equipped with corresponding auxiliary wheel on the outside of the drawing-inroller, the auxiliary wheel with
Drawing-inroller outer ring is equipped with the annular groove to round, and the depth of the annular groove is less than the diameter of raw material, the drawing-inroller
Annular groove slot bottom and auxiliary wheel annular groove slot bottom between minimum range be less than or equal to raw material diameter.
The rack includes the aluminum profile of two settings, and the opposite side of two aluminum profiles is equipped with vertical slide slot, institute
The down-feed screw for being equipped in vertical slide slot and connecting with vertical servo motor is stated, the connecting plate is fixed on the securing lever, described
Locating rod both ends are connected with the vertical nut for being embedded in vertical slide slot and engaging with down-feed screw.
Side is equipped with parallel transverse translation guide rod before and after the pedestal, is equipped with transverse translation on the upside of the transverse translation guide rod
Sliding slot is provided with transverse translation lead screw connect with lateral servo motor in the transverse translation sliding slot, and is equipped with and laterally puts down
The transverse translation nut of lead screw engagement is moved, is provided with positioning screw, the positioning spiral shell of front and back side on the transverse translation nut
Equipped with translation positioning plate between bar.
The translation positioning plate is equipped with the longitudinal chute vertical with transverse translation sliding slot, be equipped in the longitudinal chute with
The longitudinal leadscrew of servo longitudinal motor connection, and equipped with the longitudinal nut engaged with longitudinal leadscrew, the positioning device is connected to
On longitudinal nut.
The positioning device includes bottom plate, and the bottom plate quadrangle, which is equipped with, adjusts stud, and the adjusting stud, which is equipped with, to be adjusted
Nut, and an adjustable plate is equipped with by adjusting nut, the adjustable plate is equipped with printing seat.
The beneficial effects of the utility model are: being adopted by using Arduino Nano single-chip microcontroller as Computerized Numerical Control system hardware platform
With Grbl09 digital control system control printing equipment, servo longitudinal motor, lateral servo motor and the work of vertical servo motor, realize
The up and down action of printing equipment and left and right, the fore-aft motion of positioning device, to complete the D printing function of plastic product, structure
Simply, it is easy to accomplish, manufacturing cost is low, and more schools can be allowed effectively to purchase, and make student obtain more practicing operation chance,
Preferably to promote teaching；Grbl digital control system performance is high, at low cost, and it includes complete perspective Acceleration Controls, can
Smoothly accelerated with realizing and is turned without impact, meanwhile, positioning device is separated with the movement of printing equipment, makes printing equipment only
It moves up and down, effectively raises the stability of printing, greatly reduce the plastics of the thawing of nozzle ejection in printing
A possibility that offset, effectively ensures printing precision.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and examples.
Fig. 1 is the perspective view structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of printing equipment in the utility model.
Specific embodiment
Referring to figs. 1 to Fig. 2, a kind of miniature 3D printer of FDM for teaching of the utility model, including pedestal 1, rack
2, controller 3 and program entry device 4, the rack 2 is fixed on pedestal 1, and is provided with printing equipment 5, the bottom
Being provided on seat 1 can be moved forward and backward by servo longitudinal motor driven, drive the positioning moved left and right by lateral servo motor
Device 6, the rack 2, which is equipped with, to be pacified by the connecting plate 7 that vertical servo motor driven moves up and down, the printing equipment 5
On connecting plate 7, Arduino Nano single-chip microcontroller and Grbl09 digital control system built in the controller 3, and and printing equipment
5, servo longitudinal motor, lateral servo motor are connected with vertical servo motor, and described program input device 4 is connect with controller 3；
The printing equipment 5 includes the feeding motor 52 for squeezing out seat 51 and conveying filament-type plastic raw material being arranged on connecting plate 7,
The first joint of conveying material pipe 53 is equipped on the upside of the extrusion seat 51, downside is equipped with thermofusion device corresponding with the first joint of conveying material pipe 53
54,52 end of feeding motor is equipped with feed box 55, is equipped with the second joint of conveying material pipe 56 on the upside of the feed box 55, downside is set
There is raw material inlet 57, feed pipe 58 is connected between first joint of conveying material pipe 53 and the second joint of conveying material pipe 56, it is described
It is connected with nozzle 59 on the downside of thermofusion device 54, is equipped with the reduction gearing connecting with 52 output end of feeding motor in the feed box 55
Group and the drawing-inroller driven by train of reduction gears, are equipped with corresponding auxiliary wheel on the outside of the drawing-inroller, the auxiliary wheel with
Drawing-inroller outer ring is equipped with the annular groove to round, and the depth of the annular groove is less than the diameter of raw material, the drawing-inroller
Annular groove slot bottom and auxiliary wheel annular groove slot bottom between minimum range be less than or equal to raw material diameter.
By using Arduino Nano single-chip microcontroller as Computerized Numerical Control system hardware platform, using latest edition Grbl09 digital control system
It controls printing equipment 5, servo longitudinal motor, lateral servo motor and vertical servo motor to work, above and below realization printing equipment 5
The left and right of movement and positioning device 6, fore-aft motion, to complete the 3D printing function of plastic product, structure is simple, is easy to real
Existing, usable waste computer CD-ROM drive tears parts open and aluminium alloy extrusions is assembled, and the recycling of waste and old electric rubbish is realized, to ring
Border protection is of great significance, and manufacturing cost is low, can be used as instruments used for education and carries out related 3D printing course, student can also be certainly
Row purchase uses, convenient for promoting；The Grbl digital control system of open source is a embedded G generation for Arduino/AVR328 chip
Code compiling and motion controller have performance high, at low cost, are based on parallel port motion control, and it includes complete perspective acceleration
Degree control may be implemented smoothly to accelerate and turn without impact, meanwhile, positioning device 6 is separated with the movement of printing equipment 5,
It moves up and down printing equipment 5 only, effectively raises the stability of printing, greatly reduce the thawing of the ejection of nozzle 59
Plastics a possibility that printing hour offset, effectively ensure printing precision；Further, since the open source of Grbl numerical control source code
Property, convenient for carrying on teaching and research and research work in Grbl system-based；And program entry device 4 is supported directly to beat from SD
Print, can work independently under no PC environment, more convenient.
And printing equipment 5 is passing through feeding electricity by being sent into filament-type plastic raw material, raw material from raw material inlet 57
Under drawing-inroller and the extruding of auxiliary wheel, drive that machine 52 drives, thermofusion device 54 is delivered to by feed pipe 58, in thermofusion device
Melt under 54 heating and become liquid plastic, and sprayed eventually by nozzle 59, is printed in positioning device 6, auxiliary wheel
It can prevent raw material from deviateing between two-wheeled with the annular groove of drawing-inroller outer ring, guarantee the duration of raw material conveying, and pass through
The depth of annular groove is set smaller than between the diameter, the annular groove slot bottom of drawing-inroller and the annular groove slot bottom of auxiliary wheel of raw material
Minimum range is less than or equal to the diameter of raw material, it is ensured that two-wheeled extruding raw material appropriate move it, while again not
Torque can be transmitted by Song Erwu normal direction raw material very much.
The thermofusion device 54 heats aluminium block using heating rod, driving of the Filamentous raw material in feeding motor 52
After being squeezed into thermofusion device 54 by feed pipe 58 down, melted under the heating of the aluminium block of high temperature, then enter nozzle, finally by
Nozzle squeezes out, and reads temperature inside aluminium block equipped with thermistor and then controls temperature by controller, guarantees temperature in plastics
Melting temperature on；A fan can also be added outside thermofusion device 54, in order to it is different when fast cooling, heat dissipation.
Preferably, the rack 2 includes the aluminum profile of two settings, and the opposite side of two aluminum profiles is equipped with vertical sliding
Row slot, the vertical slide slot is interior to be equipped with the down-feed screw connecting with vertical servo motor, and the connecting plate 7 is fixed on locating rod
On 71,71 both ends of locating rod are connected with the vertical nut for being embedded in vertical slide slot and engaging with down-feed screw.Pass through two sides
The structure of two down-feed screws driving, realizes the stable up and down action of connecting plate 7, so that it is guaranteed that printing equipment 5 is steady
Movement.
Further, the 1 front and back side of pedestal is equipped with parallel transverse translation guide rod 11, on the transverse translation guide rod 11
Side is equipped with transverse translation sliding slot 12, and the transverse translation connecting with lateral servo motor is provided in the transverse translation sliding slot 12
Lead screw, and the transverse translation nut engaged with transverse translation lead screw is housed, positioning screw is provided on the transverse translation nut
13, equipped with translation positioning plate 14 between the positioning screw 13 of front and back side, positioning device 6 can on translation positioning plate 14 front and back
It is mobile；Specifically, the translation positioning plate 14 is equipped with the longitudinal chute vertical with transverse translation sliding slot 12, the longitudinal chute
It is interior equipped with the longitudinal leadscrew being connect with servo longitudinal motor, and equipped with longitudinal nut for engage with longitudinal leadscrew, the positioning is filled
6 are set to be connected on longitudinal nut.Through this structure, it realizes the left and right of positioning device 6, be moved forward and backward, and moving process
It is swift in response, runs smoothly, can effectively ensure printing precision.
Further, the positioning device 6 includes bottom plate 61, and 61 4 jiaos of the bottom plate are equipped with adjusting stud 62, the tune
It saves stud 62 and is equipped with adjusting nut, and an adjustable plate 63 is equipped with by adjusting nut, the adjustable plate 63 is equipped with printing seat
64, it is moved up and down on adjusting stud 62 by adjusting nut, so as to realize the lift adjustment of printing seat 64, convenient for difference
Height when the plastic product printing of height is reserved and finely tunes.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-described embodiment,
As long as its technical effect for reaching the utility model with any same or similar means, it should all be included in the protection of the utility model
Within the scope of.
Claims (5)
1. a kind of miniature 3D printer of FDM for teaching, including pedestal (1), rack (2), controller (3) and program entry dress
It sets (4), the rack (2) is fixed on pedestal (1), and is provided with printing equipment (5), it is characterised in that: the pedestal
(1) being provided on can be moved forward and backward by servo longitudinal motor driven, drive the positioning moved left and right by lateral servo motor
Device (6), the rack (2) is equipped with can be by the connecting plate (7) that vertical servo motor driven moves up and down, the printing dress
It sets (5) to be mounted on connecting plate (7), Arduino Nano single-chip microcontroller and Grbl09 digital control system built in the controller (3), and
It is connect with printing equipment (5), servo longitudinal motor, lateral servo motor and vertical servo motor, described program input device (4)
It is connect with controller (3)；The printing equipment (5) includes the extrusion seat (51) being arranged on connecting plate (7) and the Filamentous modeling of conveying
Expect the feeding motor (52) of raw material, the first joint of conveying material pipe (53), downside are equipped on the upside of the extrusions seat (51) equipped with the
The corresponding thermofusion device (54) of one joint of conveying material pipe (53), feeding motor (52) end is equipped with feed box (55), described to send
The second joint of conveying material pipe (56) are equipped on the upside of magazine (55), downside is equipped with raw material inlet (57), first joint of conveying material pipe
(53) it is connected between the second joint of conveying material pipe (56) feed pipe (58), is connected with nozzle on the downside of the thermofusion device (54)
(59), the train of reduction gears connecting with feeding motor (52) output end is equipped in the feed box (55) and by train of reduction gears band
Dynamic drawing-inroller, the drawing-inroller outside are equipped with corresponding auxiliary wheel, and the auxiliary wheel and drawing-inroller outer ring are equipped with ring
Around one week annular groove, the depth of the annular groove was less than the diameter of raw material, the annular groove slot bottom and auxiliary of the drawing-inroller
Minimum range is less than or equal to the diameter of raw material between the annular groove slot bottom of wheel.
2. the miniature 3D printer of a kind of FDM for teaching according to claim 1, it is characterised in that: the rack (2)
The aluminum profile erect including two, the opposite side of two aluminum profiles are equipped with vertical slide slot, set in the vertical slide slot
There is the down-feed screw connecting with vertical servo motor, the connecting plate (7) is fixed on locating rod (71), the locating rod (71)
Both ends are connected with the vertical nut for being embedded in vertical slide slot and engaging with down-feed screw.
3. the miniature 3D printer of a kind of FDM for teaching according to claim 1, it is characterised in that: the pedestal (1)
Front and back side is equipped with parallel transverse translation guide rod (11), is equipped with transverse translation sliding slot on the upside of the transverse translation guide rod (11)
(12), it is provided with the transverse translation lead screw connecting with lateral servo motor in the transverse translation sliding slot (12), and is equipped with and cross
To the transverse translation nut of translation lead screw engagement, it is provided with positioning screw (13) on the transverse translation nut, the institute of front and back side
It states between positioning screw (13) equipped with translation positioning plate (14).
4. the miniature 3D printer of a kind of FDM for teaching according to claim 3, it is characterised in that: the translation is fixed
Position plate (14) is equipped with the longitudinal chute vertical with transverse translation sliding slot (12), is equipped in the longitudinal chute and servo longitudinal electricity
The longitudinal leadscrew of machine connection, and equipped with the longitudinal nut engaged with longitudinal leadscrew, the positioning device (6) is connected to longitudinal nut
On.
5. the miniature 3D printer of a kind of FDM for teaching according to claim 1, it is characterised in that: the positioning dress
Setting (6) includes bottom plate (61), and bottom plate (61) quadrangle, which is equipped with, adjusts stud (62), and the adjusting stud (62), which is equipped with, to be adjusted
Nut, and an adjustable plate (63) are equipped with by adjusting nut, the adjustable plate (63) is equipped with printing seat (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777649.8U CN208558307U (en) | 2018-05-23 | 2018-05-23 | A kind of miniature 3D printer of FDM for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820777649.8U CN208558307U (en) | 2018-05-23 | 2018-05-23 | A kind of miniature 3D printer of FDM for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208558307U true CN208558307U (en) | 2019-03-01 |
Family
ID=65482942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820777649.8U Expired - Fee Related CN208558307U (en) | 2018-05-23 | 2018-05-23 | A kind of miniature 3D printer of FDM for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208558307U (en) |
-
2018
- 2018-05-23 CN CN201820777649.8U patent/CN208558307U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190301 Termination date: 20200523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |