CN105751504B - Material extrusion step motor control system in 3D printer and 3D printer head - Google Patents
Material extrusion step motor control system in 3D printer and 3D printer head Download PDFInfo
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- CN105751504B CN105751504B CN201610170909.0A CN201610170909A CN105751504B CN 105751504 B CN105751504 B CN 105751504B CN 201610170909 A CN201610170909 A CN 201610170909A CN 105751504 B CN105751504 B CN 105751504B
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- optical signal
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- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of 3D printer, its structure includes control mainboard, printing head and printing head carrying drive mechanism；It is provided with the printing head carrying drive mechanism on optical signal launch part and optical signal reflecting plate, the printing head and is provided with optical signal receiving element；The optical signal launch part is electrically connected with control mainboard, for the electric signal for being received from the control mainboard to be converted into optical signal and sent；The optical signal reflecting plate is used to the optical signal that the optical signal launch part is launched is received and reflected；The optical signal receiving element is used to be controlled the material extrusion stepper motor in printing head after receiving the optical signal from the signal reflex plate and parsing.The present invention efficiently solves a plurality of power line and when signal wire does composite cable, can produce signal interfere with each other and head walking process in cause the problems such as cable fatigue, cable aging, completely solve signal interference, aging circuit and fatigue strength problem.
Description
Technical field
The present invention relates to 3D printing technique field, material extrusion is walked in specifically a kind of 3D printer and 3D printer head
Stepper motor control system.
Background technology
At present, heating power supply line, temperature controller signal wire, motor signal line, wind are provided with the market 3D printer head
Fan control line and power line.These cables are outside head, and one side only high-quality wire rod, which could meet to use, to be wanted
Ask, on the other hand, various transmission electric wires are intertwined in head, in print procedure, with the movement of head, various transmission electricity
As head is synchronized with the movement bending constantly occurs for line, in order to avoid transmission electric wire bend may bring it is potentially hazardous, no
Obtain and parcel protection is not carried out to it, the parcel protection of this occupancy head headroom causes the waste of print space, virtually
The diminution of print area is result in, in addition, numerous and diverse wiring is to installing and using making troubles.
The content of the invention
It is an object of the invention to provide material extrusion step motor control system in a kind of 3D printer and 3D printer head, with
Solve the space waste in the presence of existing 3D printer head, the problem of print area reduces.
What the present invention was realized in：
3D printer, including control mainboard, printing head and printing head carrying drive mechanism；The printing head is held
Carry to be provided with optical signal launch part and optical signal reflecting plate, the printing head in drive mechanism and be provided with optical signal reception
Part；The optical signal launch part is electrically connected with control mainboard, for the electric signal for being received from the control mainboard to be converted into light
Signal is simultaneously sent；The optical signal reflecting plate is used to the optical signal that the optical signal launch part is launched is received and reflected；Institute
Stating optical signal receiving element is used to receive after the optical signal from the optical signal reflecting plate and parsing to the material extrusion in printing head
Stepper motor is controlled.
In described 3D printer, the optical signal launch part position is fixably attached to printing head carrying drive mechanism
On；The optical signal reflecting plate is installed on sliding component, and the sliding component makes sliding route and the institute of the optical signal reflecting plate
The signal routes for stating the light emitted signal of optical signal launch part overlap to ensure that the optical signal launch part and the optical signal are anti-
The correspondence of the position between plate is penetrated, the optical signal reflecting plate is synced up with the printing head in the side parallel with signal routes
Move to ensure that the position between the optical signal receiving element and the optical signal reflecting plate is corresponding.
In described 3D printer, it is identical and parallel arrangement that the printing head carrying drive mechanism includes two length
Batten, the load bearing seat fixed in each end of two batten, the X-axis motor installed on the load bearing seat, y-axis motor and
Drive link, the sliding bar installed between adjacent each load bearing seat；The X-axis motor, the X-axis master of y-axis motor driving
Drive link, Y-axis main transmission bar drive X-axis follower lever, Y-axis follower lever by X-axis transmission belt, Y-axis transmission belt；Passed in the X-axis
It is provided with dynamic band, the Y-axis transmission belt on X-axis sliding component, Y-axis sliding component, the X-axis sliding component, the Y-axis sliding component
Sliding bearing or jack hole are provided with, X-axis sliding bar, Y-axis sliding bar are connected on for wearing；It is provided between the X-axis sliding component
It is provided between head Y-axis center slide bar, the Y-axis sliding component on head X-axis center slide bar, printing head and is provided with two cunnings
Hole is moved, described two slip holes wear pick TouXZhou centers slide bar and head Y-axis center slide bar respectively；The optical signal launch part
It is installed on load bearing seat, the optical signal reflecting plate is installed on the head X-axis center slide bar or head Y-axis center slide bar, institute
The incident direction angle at 45 ° of the optical signal reflecting plate stated and the optical signal is set.
In described 3D printer, in addition to bottom plate and the lifting soleplate of carrying printed product；Pacify on the bottom plate
Equipped with longitudinal axis sliding supporting bar, longitudinal axis motor and by the motor-driven longitudinal screw axle of the longitudinal axis；The lifting soleplate passes through
Spiro connecting piece is installed on the longitudinal screw axle；The printing head carrying drive mechanism is installed on longitudinal axis sliding supporting bar top
Portion.
In described 3D printer, described head X-axis center slide bar and head Y-axis center slide bar tap two poles,
For being powered to the power device being arranged in printing head.
In described 3D printer, described optical signal launch part includes transmitting terminal MCU chip and Infrared Projector；
The transmitting terminal MCU chip is used to receive the electric signal from the control mainboard and according to electric signal control infrared signal hair
Emitter sends infrared μ s ripple glitch.
In described 3D printer, described optical signal receiving element includes infrared signal receiver and receiving terminal MCU chip；
The infrared signal receiver is used to receive infrared μ s ripples glitch and sent to receiving terminal MCU chip, the receiving terminal MCU core
Piece sends control signal after the signal received is parsed to material extrusion motor.
Material extrusion step motor control system in 3D printer head, including the material extrusion step being installed in printer head shell
Stepper motor, be installed on printing head carrying drive mechanism control mainboard and by the control information in control mainboard transmit to squeeze
Expect the signal transmission system of stepper motor；The signal transmission system includes the light letter for being installed on printing head carrying drive mechanism
Number transmitting part, optical signal reflecting plate and optical signal receiving element, the optical signal launch part are electrically connected with control mainboard, the light
Signal receiving element is arranged in printing head and electrically connected with the material extrusion stepper motor in head.
In described 3D printer head in material extrusion step motor control system, it is characterised in that optical signal launch part bag
Include the transmitting terminal MCU chip and Infrared Projector of electrical connection；Optical signal receiving element includes the IR signal reception of electrical connection
Device and receiving terminal MCU chip.
Foundation structure such as the bottom plate of the 3D printer of the present invention, the lifting structure of soleplate, X-axis motor, y-axis motor and
Control of longitudinal axis motor etc. can be realized routinely using of the prior art any of or those skilled in the art
Structure, a key point of the invention is that the control system of material extrusion stepper motor in printer head is improved.This hair
Another bright key improvements point is the electric power system of the power device in printing head, and the system includes tap two poles
Printing head head X-axis center slide bar and head Y-axis center slide bar, the head X-axis center slide bar and head Y-axis center
Slide bar is used to power to the power device being arranged in printing head.Described power device include material extrusion stepper motor, fan,
The mechanisms such as heater, temperature controller.The present invention replaces power line using central slide axle, and optical signal is wirelessly transferred substitution signal connection
Pipeline, efficiently solves a plurality of power line and when signal wire does composite cable, can produce signal and interfere with each other and head row
The problems such as cable fatigue, cable aging is caused during walking, signal interference, aging circuit and fatigue strength problem is completely solved.
Brief description of the drawings
Fig. 1 is the structural representation of 3D printer of the present invention.
Fig. 2 is the schematic diagram of the material extrusion cloth stepper motor control system of 3D printer of the present invention.
Embodiment
Below in conjunction with the accompanying drawings embodiments of the present invention are made with exemplary explanation, but does not constitute any limit to the present invention
System.
Shown in Fig. 1, Fig. 2,3D printer includes bottom plate 18, and four longitudinal axis sliding supports are symmetrically installed with bottom plate 18
Bar 14, symmetrically arranged two longitudinal axis motor 17 and by the motor-driven two longitudinal screws axle 15 of each longitudinal axis.In longitudinal screw axle
Lifting soleplate 16 is provided with by spiro connecting piece on 15, is also equipped with being connected to longitudinal axis sliding supporting bar on lifting soleplate 16
14 soleplate slide bar fixture 19.The printing head of carrying printing head 28 is installed at the top of longitudinal axis sliding supporting bar 14
Carry drive mechanism.Printing head 28 is located at the top of lifting soleplate 16.Printing head carrying drive mechanism includes being fixed on
Two length at the top of longitudinal axis sliding supporting bar 14 are identical and batten 11 of parallel arrangement, and the upper end of longitudinal screw axle 15, which is worn, to be connected on
It is fixed in the sliding bearing on batten 11.Load bearing seat 10 is fixed with each end of two battens 11.Four altogether, this four are held
Seat is carried to be arranged symmetrically.It is provided with wherein on a load bearing seat on X-axis motor 1, another load bearing seat and y-axis motor 23 is installed.In phase
Drive link and sliding bar are installed between adjacent each load bearing seat, the drive link connected with the output shaft of X-axis motor 1, y-axis motor 23
For X-axis main transmission bar 27, Y-axis main transmission bar 22.The drive link being be arranged in parallel with X-axis main transmission bar 27, Y-axis main transmission bar 22 is
X-axis follower lever 12, Y-axis follower lever 5.The Y that to be provided with two between X-axis main transmission bar 27 and the both ends of X-axis follower lever 12 parallel
Axle transmission belt 9.Two parallel X-axis transmission belts 31 are provided between Y-axis main transmission bar 22 and the both ends of Y-axis follower lever 5.
The Y-axis sliding component 8 being correspondingly arranged is respectively arranged with two Y-axis transmission belts 9, is respectively arranged with two X-axis transmission belts 31 pair
The X-axis sliding component 13 that should be set.Head Y-axis center slide bar 26 is installed between two X-axis sliding components 13, in two Y-axis sliding components 8
Between head X-axis center slide bar 21 is installed.It is provided with printing head 28 for wearing the He of TouXZhou centers slide bar 21 that picks respectively
The slip hole of head Y-axis center slide bar 26.Y-axis sliding component 8 is provided with sliding bearing 7, and Y-axis sliding bar 6, X-axis are connected on for wearing
Sliding component 13 is provided with sliding bearing 25, and X-axis sliding bar 32 is connected on for wearing.Described head X-axis center slide bar and head Y-axis
Center slide bar tap two poles, for being powered to the power device being arranged in printing head, so as to avoid the cloth in head
Put numerous electric wires.
Shown in Fig. 1, Fig. 2, optical signal launch part 3 is fixedly installed on load bearing seat 10.Control mainboard 2 and optical signal launch part
Electrically connected between 3, both are that fixed position is installed, therefore its relative position is also fixed, and both are electrically connected by wired realization.
Optical signal launch part 3 includes the transmitting terminal MCU chip and Infrared Projector of electrical connection, and transmitting terminal MCU chip is used to read
Electric signal from control mainboard and accordingly control Infrared Projector are outwards launched infrared μ s ripples in the form of continuous wave and dodged
Signal.Optical signal reflecting plate 29 is installed on sliding component, and sliding component drives optical signal reflecting plate 29 along infrared μ s ripple glitch
Signal routes slide, and optical signal reflecting plate is normally received infrared μ s ripples glitch all the time in slipping and is carried out anti-
Penetrate, the sliding component for carrying optical signal reflecting plate 29 is fixed on to the end of head X-axis center slide bar 21 in present embodiment.Printing
The optical signal receiving element 30 electrically connected with the material extrusion stepper motor in head is provided with head.Optical signal receiving element 30 includes electricity
The infrared signal receiver and receiving terminal MCU chip of connection.Infrared signal receiver reflects for receiving optical signal reflecting plate 29
Come infrared μ s ripples glitch and by receiving terminal MCU chip parsed after transmission automatically controlled signal to printer head in material extrusion
Motor is performed for it.Optical signal reflecting plate 29 is with printing head body shell 28 in the signal routes launched with Infrared Projector
Synchronizing moving to be to ensure that the position between optical signal receiving element 30 and optical signal reflecting plate 29 is corresponding all the time on parallel direction, from
And ensure optical signal and normally receive all the time.In Fig. 2, optical signal reflecting plate 29 is with the optical signal launched with Infrared Projector
The end of head X-axis center slide bar 21 is fixed in the direction at incident direction angle at 45 °, so that it both began in print procedure
Final position on the signal line that Infrared Projector is launched, and with printing head synchronizing moving, and then ensure that infrared μ s ripples dodge
Signal is from smooth transmission, reception of the Infrared Projector through infrared signal reflecting plate to infrared signal receiver.Optical signal is sent out
Other positions can also be installed on by penetrating part 3 and optical signal reflecting plate 29, and such as optical signal reflecting plate can also be installed in head Y-axis
The end of heart slide bar 26, as long as the relative position of all parts can meet infrared μ s ripple glitch from Infrared Projector through red
Smooth transmission, reception of the external signal reflecting plate to infrared signal receiver.
In the present invention, the transmitting terminal MCU chip in optical signal launch part 3 is controlled by reading the information from control mainboard
Infrared Projector sends infrared μ s ripple glitch.Receiving terminal MCU chip in optical signal receiving element 30 reads and parsed red
After infrared μ s ripple glitch received by external signal receiver corresponding automatically controlled signal, material extrusion electricity are sent to material extrusion stepper motor
Machine completes corresponding actions.
The present invention is to coordinate chip technology by programming technique, and electronic signal or optical signal are converted into units of microsecond
One command signal of transmitting is so as to realize transmitting, reception, the signal transmission technology performed.Its speed faster, the information content of propagation
It is bigger, it is continual steady spread, and will not interfere, also will not be by any electromagnetic interference, for 3D printer
Signal is transmitted, and can be prevented effectively from interfering with each other for information transfer between plurality of printers head.Common infrared signal and line letter
Number it is the transmission of point type single command signal, its command speed is calculated in seconds.The infrared μ s ripples glitch transmission of the present invention
Command speed is in units of microsecond, and the semaphore of the latter is 2500 times of the former semaphore.Signal duration is in 500 microseconds（μ
s）More than for long-wave signal；Signal duration is in 500 microseconds（μs）It is following for short-wave signal；In 1 second dodge 2000 times with
Under for slow flash signal；Dodged in 1 second more than 2000 times for fast glitch.Foregoing long-wave signal, short-wave signal, fast glitch with
And slow flash signal define value can according to the actual requirements depending on.Long short-wave signal is more stable, is not influenceed by ambient light, can be with
Accurately send and receive, therefore control with long-wave signal the forward-reverse of stepper motor.Fast glitch is used with slow flash signal
Carry out the unblock and unlocking of controlled motor, material has the strength of pulling in head moving process, this strength can make motor fall
Turn, material is deviate from from head, and after death there will be no such case generation for electromechanical locks.Long short-wave signal is used for controlling stepper motor
Advance and retreat, wave source fast and stable is accurate, few to be disturbed by outer signals and light, speed glitch controlled motor lock-switch be in order to
Being retreated with motor has preferable difference, and all signals are sent by a launch point, and a receiving station is received and execution of classifying
, thus it does not interfere with each other, reaches the purpose to the accurate commander of equipment.
Claims (6)
1. a kind of 3D printer, it is characterised in that carry drive mechanism including control mainboard, printing head and printing head；
It is provided with optical signal launch part and optical signal reflecting plate, the printing head and sets in the printing head carrying drive mechanism
It is equipped with optical signal receiving element；The optical signal launch part is electrically connected with control mainboard, for will be received from the control mainboard
Electric signal is converted into optical signal and sent；The optical signal reflecting plate is used for the optical signal for being launched the optical signal launch part
Receive and reflect；The optical signal receiving element is used to receive after the optical signal from the optical signal reflecting plate and parsing to printing
Material extrusion stepper motor in head is controlled；The optical signal launch part position is fixably attached to printing head carrying driving
In mechanism；The optical signal reflecting plate is installed on sliding component, and the sliding component makes the sliding route of the optical signal reflecting plate
Overlap to ensure that the optical signal launch part is believed with the light with the signal routes of the light emitted signal of optical signal launch part
Position correspondence between number reflecting plate, the optical signal reflecting plate is with the printing head on the direction parallel with signal routes
Synchronizing moving is to ensure that the position between the optical signal receiving element and the optical signal reflecting plate is corresponding.
2. 3D printer according to claim 1, it is characterised in that the printing head carrying drive mechanism includes two
Length is identical and batten of parallel arrangement, the load bearing seat fixed in each end of two batten, the X that is installed on the load bearing seat
Spindle motor, y-axis motor and drive link, the sliding bar installed between adjacent each load bearing seat；The X-axis motor, institute
State the X-axis main transmission bar of y-axis motor driving, Y-axis main transmission bar and X-axis follower lever, Y are driven by X-axis transmission belt, Y-axis transmission belt
Axle follower lever；X-axis sliding component, Y-axis sliding component are provided with the X-axis transmission belt, the Y-axis transmission belt, the X-axis is slided
Sliding bearing or jack hole are provided with shifting part, the Y-axis sliding component, X-axis sliding bar, Y-axis sliding bar are connected on for wearing；It is described
It is provided between X-axis sliding component between head Y-axis center slide bar, the Y-axis sliding component and is provided with head X-axis center slide bar, is beaten
Two slip holes, described two slip hole difference Chuan JieXZhou center slide bars and Y-axis center slide bar are provided with print head；It is described
Optical signal launch part is installed on load bearing seat, and the optical signal reflecting plate is installed on X-axis center slide bar or Y-axis center is slided
Bar, the incident direction angle at 45 ° of described optical signal reflecting plate and the optical signal is set.
3. 3D printer according to claim 2, it is characterised in that the lifting base also including bottom plate and carrying printed product
Plinth plate；Longitudinal axis sliding supporting bar, longitudinal axis motor are installed on the bottom plate and by the motor-driven longitudinal screw axle of the longitudinal axis；
The lifting soleplate is installed on the longitudinal screw axle by spiro connecting piece；The printing head carrying drive mechanism is installed on
At the top of longitudinal axis sliding supporting bar.
4. 3D printer according to claim 2, it is characterised in that in described head X-axis center slide bar and head Y-axis
Heart slide bar taps two poles, for being powered to the power device being arranged in printing head.
5. 3D printer according to claim 1, it is characterised in that the optical signal launch part includes transmitting terminal MCU core
Piece and Infrared Projector；The transmitting terminal MCU chip is used to receive the electric signal from the control mainboard and according to this
Electric signal control Infrared Projector sends infrared μ s ripple glitch.
6. 3D printer according to claim 1, it is characterised in that described optical signal receiving element connects including infrared signal
Receive device and receiving terminal MCU chip；The infrared signal receiver is used to receive infrared μ s ripples glitch and sent to receiving terminal MCU
Chip, the receiving terminal MCU chip sends control signal after the signal received is parsed to material extrusion motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610170909.0A CN105751504B (en) | 2016-03-24 | 2016-03-24 | Material extrusion step motor control system in 3D printer and 3D printer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610170909.0A CN105751504B (en) | 2016-03-24 | 2016-03-24 | Material extrusion step motor control system in 3D printer and 3D printer head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105751504A CN105751504A (en) | 2016-07-13 |
| CN105751504B true CN105751504B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610170909.0A Active CN105751504B (en) | 2016-03-24 | 2016-03-24 | Material extrusion step motor control system in 3D printer and 3D printer head |
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| CN (1) | CN105751504B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647756A (en) * | 2014-12-18 | 2015-05-27 | 时间环（北京）科技有限公司 | Control system of 3D printer |
| CN105216323A (en) * | 2015-10-22 | 2016-01-06 | 张萍 | A kind of 3D printer with closed loop control function based on Internet of Things |
| CN105346080A (en) * | 2015-11-13 | 2016-02-24 | 赵晓玲 | Intelligent 3D printer with accurate displacement control capability |
| CN205467407U (en) * | 2016-03-24 | 2016-08-17 | 河北大艾智能科技股份有限公司 | Crowded material step motor control system in 3D printer and 3D printer aircraft nose |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9724877B2 (en) * | 2013-06-23 | 2017-08-08 | Robert A. Flitsch | Methods and apparatus for mobile additive manufacturing of advanced structures and roadways |
| US9233507B2 (en) * | 2013-11-22 | 2016-01-12 | Charles Bibas | 3D printing apparatus with sensor device |
-
2016
- 2016-03-24 CN CN201610170909.0A patent/CN105751504B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647756A (en) * | 2014-12-18 | 2015-05-27 | 时间环（北京）科技有限公司 | Control system of 3D printer |
| CN105216323A (en) * | 2015-10-22 | 2016-01-06 | 张萍 | A kind of 3D printer with closed loop control function based on Internet of Things |
| CN105346080A (en) * | 2015-11-13 | 2016-02-24 | 赵晓玲 | Intelligent 3D printer with accurate displacement control capability |
| CN205467407U (en) * | 2016-03-24 | 2016-08-17 | 河北大艾智能科技股份有限公司 | Crowded material step motor control system in 3D printer and 3D printer aircraft nose |
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| Publication number | Publication date |
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| CN105751504A (en) | 2016-07-13 |
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