CN105751516B - A kind of 3D printer and Method of printing with controlling cashier power-cut-off contiuous printing function - Google Patents
A kind of 3D printer and Method of printing with controlling cashier power-cut-off contiuous printing function Download PDFInfo
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- CN105751516B CN105751516B CN201610270546.8A CN201610270546A CN105751516B CN 105751516 B CN105751516 B CN 105751516B CN 201610270546 A CN201610270546 A CN 201610270546A CN 105751516 B CN105751516 B CN 105751516B
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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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Abstract
A kind of 3D printer and Method of printing with controlling cashier power-cut-off contiuous printing function, including 3D printing executing agency, 3D printing executing agency includes extruder head, 3D printer further includes power-off monitoring and controlling unit, breakpoint data storage cell and extruder head heating module, wherein power-off monitoring and controlling unit is when monitoring the power failure of 3D printing executing agency, breakpoint data storage cell is recorded in breakpoint data, when monitoring the service restoration of 3D printing executing agency, it detects whether to be stored with breakpoint data, when having detected corresponding breakpoint data, extruder head is preheated, until its with after the partial melting of unfinished printer model adhesion, mechanical return is executed to 3D printing executing agency, then printing operation is executed again.Extruder head is preheated before continuous beat, extruder head is detached with unfinished model, can avoid pulling printer model when continuous beat.
Description
Technical field
The present invention relates to 3D printers, more particularly to a kind of 3D printer and Method of printing with controlling cashier power-cut-off contiuous printing function.
Background technology
FDM (Fused Deposition Modeling, fused glass pellet) 3D printer prints spent by a model
Time short then several hours, long then a couple of days.If powered off because unexpected in print procedure, printer plays interruption
Print.If do not take it is continuous play measure, getting to half or even a greater part of model early period can only scrap, to cause consumptive material and when
Between a large amount of wastes.
Production firm's expansion research of existing part FDM 3D printers is to solve the above problems at present.But they are mainly
By the way of plug-in stand-by power supply, this has undoubtedly increased considerably hardware cost, volume and the beauty for affecting complete machine.
The prior art such as Chinese patent open source literature CN103921446A discloses the 3D printing with controlling cashier power-cut-off contiuous printing function
The method of machine and its controlling cashier power-cut-off contiuous printing, but the existing 3D printer with controlling cashier power-cut-off contiuous printing function has the following problems：
On the one hand, after the power-off a period of time of printing midway, extruder head cooling, it would be possible to be sticked in unfinished model
Together.If this thing happens, adhesion part can be damaged when extruder head starts when next time prints or even uproots entire model
It rises.On the other hand, operator is in repaired by hand breakpoint trace, can only by virtue of experience with the position of visually finding power-off, consumption
When effort.
Invention content
The main purpose of the present invention is to provide a kind of 3D printer and Method of printing with controlling cashier power-cut-off contiuous printing function, effective solution
The certainly above problem of the prior art.
To achieve the above object, the present invention uses following technical scheme：
A kind of 3D printer with controlling cashier power-cut-off contiuous printing function, especially FDM 3D printers, including 3D printing executing agency, institute
It includes extruder head to state 3D printing executing agency, and the 3D printer further includes power-off monitoring and controlling unit, breakpoint data storage list
Member and extruder head heating module, wherein the power-off monitoring and controlling unit is in the power supply for monitoring the 3D printing executing agency
When interruption, the breakpoint data storage cell, the power-off monitoring control is recorded in the breakpoint data of the 3D printing task of interruption
Unit processed detects whether the breakpoint data storage cell stores when monitoring the service restoration of the 3D printing executing agency
There are breakpoint data, when having detected corresponding breakpoint data, controls the extruder head heating module and the extruder head is carried out
Preheating holds the 3D printing executing agency after the extruder head and the partial melting of unfinished printer model adhesion
Row mechanical return, then automatically or receive it is input by user confirm it is continuous beat instruct in the case of, call the breakpoint number
The 3D printing task that the 3D printing executing agency continues last interruption is controlled according to this.
Further：
The breakpoint data storage cell includes the SPI-FLASH for storing breakpoint data, every time after starting printing,
The power-off monitoring and controlling unit controls original breakpoint number in erasing SPI-FLASH, and just vacating space stores next time according to this
The breakpoint data of shutdown transient.
Further include background backup unit, the breakpoint is being recorded in the breakpoint data by the power-off monitoring and controlling unit
When data storage cell, the breakpoint data are also uploaded to the background backup unit and are backed up, the power-off monitoring control
The additional control unit of unit processed or the background backup unit utilizes breakpoint data described in the background backup unit backup, to
Operating personnel generate the prompt message of the breakpoint location of last printing, so that operating personnel repair breakpoint location manually
It is multiple.
The prompt message is sent out after the 3D printing executing agency has executed print out task.
The power-off monitoring and controlling unit is monitoring the service restoration of the 3D printing executing agency and is detecting phase
When the breakpoint data answered, monitoring users be input validation it is continuous beat instruction or it is not continuous play instruction, instructed cannot not listen to continuously to beat
In the case of, the breakpoint data of the breakpoint data storage cell storage are wiped, and printed according to new mimeograph documents.
A kind of 3D printing method using the 3D printer includes the following steps：
Monitoring and controlling unit is powered off when monitoring the power failure of 3D printing executing agency, by the 3D printing task of interruption
Breakpoint data breakpoint data storage cell is recorded；
The power-off monitoring and controlling unit detects described disconnected when monitoring the service restoration of the 3D printing executing agency
Whether point data storage unit is stored with corresponding breakpoint data；
When the power-off monitoring and controlling unit has detected corresponding breakpoint data, control extruder head heating module is to squeezing out
Head is preheated, and after the extruder head and the partial melting of unfinished printer model adhesion, is executed to the 3D printing
Mechanism executes mechanical return；
Automatically or receive it is input by user confirm it is continuous beat instruct in the case of, call the breakpoint number to control according to this
The 3D printing executing agency continues the 3D printing task of last interruption.
The breakpoint data storage cell includes the SPI-FLASH for storing breakpoint data, every time after starting printing,
The power-off monitoring and controlling unit controls original breakpoint number in erasing SPI-FLASH, and just vacating space stores next time according to this
The breakpoint data of shutdown transient.
The power-off monitoring and controlling unit will also when the breakpoint data storage cell is recorded in the breakpoint data
The breakpoint data are uploaded to background backup unit and are backed up, the power-off monitoring and controlling unit or the background backup unit
Additional control unit using breakpoint data described in the background backup unit backup, generate last printing to operating personnel
The prompt message of breakpoint location, so that operating personnel repair breakpoint location manually.
The prompt message is sent out after the 3D printing executing agency has executed print out task.
The power-off monitoring and controlling unit is monitoring the service restoration of the 3D printing executing agency and is detecting phase
When the breakpoint data answered, monitoring users be input validation it is continuous beat instruction or it is not continuous play instruction, instructed cannot not listen to continuously to beat
In the case of, the breakpoint data of the breakpoint data storage cell storage are wiped, and printed according to new mimeograph documents.
Beneficial effects of the present invention：
The present invention proposes a kind of 3D printer with controlling cashier power-cut-off contiuous printing function, in the power supply for monitoring 3D printing executing agency
When disconnected, breakpoint data storage cell is recorded in breakpoint data, and when monitoring service restoration, if having detected corresponding disconnected
Point data first passes through extruder head heating module and is preheated to extruder head, until extruder head and unfinished printer model adhesion
Partial melting after, then extruder head detached from printer model, mechanical return executed to 3D printing executing agency, then just may be used
To continue the 3D printing task of last time interruption according to breakpoint data.The control of pre- thermal release link is executed before controlling cashier power-cut-off contiuous printing
Program can be included in bottom firmware.Based on this design, extruder head is detached with unfinished model by heating,
It can avoid pulling printer model when continuous beat.
In the preferred scheme, when breakpoint data storage cell is recorded in breakpoint data, also breakpoint data are uploaded
To being backed up from the background, using the breakpoint data of backup, the prompt letter for the breakpoint location that last time prints can be generated to operating personnel
Breath, so that operating personnel repair breakpoint location manually.The breakpoint for being used to indicate de-energized is uploaded before controlling cashier power-cut-off contiuous printing
Data to data backstage, the corresponding program that controls can also be incorporated in bottom firmware.Can be that operator exists based on this design
Subsequently reparation breakpoint trace offer manually is carried out to the model of completion accurately and reliably to guide.
In the preferred scheme, breakpoint data, and the power-off monitoring control after starting printing every time are stored using SPI-FLASH
Unit processed controls original breakpoint data in erasing SPI-FLASH, to vacate the breakpoint data of shutdown transient next time
Space stores, and program control is flexible, and required memory space is small, can effectively reduce cost.
According to the present invention it is possible to coordinate the control of corresponding bottom software, constructs a set of can store and print breakpoint data
Power supply and data management system do not increase circuit cost substantially, do not increase circuit volume completely, do not influence outside complete machine completely
It sees.The 3D printer of the present invention need only be included in corresponding electric power management circuit i.e. without external hanging hardware equipment on circuit main board
Controlling cashier power-cut-off contiuous printing can be achieved.
Description of the drawings
Fig. 1 is the hardware architecture diagram of the 3D printer of an embodiment of the present invention；
Fig. 2 is that the 3D printing method of an embodiment of the present invention realizes the flow chart of controlling cashier power-cut-off contiuous printing.
Specific implementation mode
It elaborates below to embodiments of the present invention.It is emphasized that following the description is only exemplary,
The range being not intended to be limiting of the invention and its application.
Refering to fig. 1, in one embodiment, a kind of 3D printer with controlling cashier power-cut-off contiuous printing function, especially FDM 3D printings
Machine, including 3D printing executing agency, the 3D printing executing agency includes extruder head, and the 3D printer further includes power-off monitoring
Control unit, breakpoint data storage cell and extruder head heating module, wherein the power-off monitoring and controlling unit is monitoring
When the power failure of the 3D printing executing agency, the breakpoint data are recorded in the breakpoint data of the 3D printing task of interruption
Storage unit, the power-off monitoring and controlling unit is when monitoring the service restoration of the 3D printing executing agency, described in detection
Whether breakpoint data storage cell is stored with breakpoint data, when having detected corresponding breakpoint data, controls the extruder head
Heating module preheats the extruder head, until the partial melting of the extruder head and unfinished printer model adhesion
Afterwards, then to the 3D printing executing agency mechanical return is executed, then automatically or receiving input by user confirms continuous beat
In the case of instruction, calls the breakpoint number to control the 3D printing executing agency according to this and continue the 3D of last interruption and beat
Print task.
The computer heating control of extruder head can preset heating temperature value and/or heating time according to printed material,
When have passed through setting heating time when detection printer model reaches the temperature value of setting or under set temperature value, stop heating.
Heating can also be controlled according to the induction of the melting state to printer model corresponding portion and judgement (including artificial judgment).
In a preferred embodiment, the breakpoint data storage cell includes the SPI-FLASH for storing breakpoint data,
Every time after starting printing, the power-off monitoring and controlling unit controls in erasing SPI-FLASH original breakpoint number according to this just
Vacating space stores the breakpoint data of shutdown transient next time.
In a preferred embodiment, 3D printer is further equipped with background backup unit, and the power-off monitoring and controlling unit exists
When the breakpoint data storage cell is recorded in the breakpoint data, the breakpoint data are also uploaded to the background backup
Unit is backed up, and the additional control unit of the power-off monitoring and controlling unit or the background backup unit utilizes the backstage
Backup units back up the breakpoint data, the prompt message of the breakpoint location of last printing are generated to operating personnel, to grasp
Make personnel to repair breakpoint location manually.
In the typical case, the prompt message of breakpoint location can be held with (but not limited to) in the 3D printing executing agency
Print out task of having gone is sent out later.
In the embodiment of some, user can also autonomous control whether execute controlling cashier power-cut-off contiuous printing function.Wherein, the power-off
Monitoring and controlling unit is when monitoring the service restoration of the 3D printing executing agency and having detected corresponding breakpoint data, prison
Listen user be input validation it is continuous beat instruction or it is not continuous play instruction, cannot not listen to continuously beat instruct in the case of, erasing is described to break
The breakpoint data of point data storage unit storage, and printed according to new mimeograph documents.
Referring to Fig.2, in one embodiment, a kind of 3D printing method using aforementioned 3D printer includes the following steps：
Monitoring and controlling unit is powered off when monitoring the power failure of 3D printing executing agency, by the 3D printing task of interruption
Breakpoint data breakpoint data storage cell is recorded；
The power-off monitoring and controlling unit detects described disconnected when monitoring the service restoration of the 3D printing executing agency
Whether point data storage unit is stored with corresponding breakpoint data；
When the power-off monitoring and controlling unit has detected corresponding breakpoint data, control extruder head heating module is to squeezing out
Head is preheated, and after the extruder head and the partial melting of unfinished printer model adhesion, is executed to the 3D printing
Mechanism executes mechanical return；
Automatically or receive it is input by user confirm it is continuous beat instruct in the case of, call the breakpoint number to control according to this
The 3D printing executing agency continues the 3D printing task of last interruption.
In a preferred embodiment, the breakpoint data storage cell includes the SPI-FLASH for storing breakpoint data,
Every time after starting printing, the power-off monitoring and controlling unit controls in erasing SPI-FLASH original breakpoint number according to this just
Vacating space stores the breakpoint data of shutdown transient next time.
In a preferred embodiment, the breakpoint number is being recorded in the breakpoint data by the power-off monitoring and controlling unit
When according to storage unit, the breakpoint data are also uploaded to background backup unit and are backed up, the power-off monitoring and controlling unit
Or the additional control unit of the background backup unit utilizes breakpoint data described in the background backup unit backup, to operator
Member generates the prompt message of the breakpoint location of last printing, so that operating personnel repair breakpoint location manually.
In the typical case, the prompt message of breakpoint location can have been executed with (but not limited to) in 3D printing executing agency
It is sent out after print out task.
In the embodiment of some, user can also autonomous control whether execute controlling cashier power-cut-off contiuous printing function.The power-off monitoring
Control unit is monitored and is used when monitoring the service restoration of the 3D printing executing agency and having detected corresponding breakpoint data
Family be input validation it is continuous beat instruction or it is not continuous play instruction, cannot not listen to continuously beat instruct in the case of, wipe the breakpoint number
According to the breakpoint data that storage unit stores, and printed according to new mimeograph documents.
The specific embodiment and its advantage further illustrated the present invention below in conjunction with attached drawing.
As shown in Figure 1, power-off monitoring and controlling unit includes power detection module and microcontroller, breakpoint data storage cell
For SPI-FLASH.The input terminal of power detection module is plugged into 24V power supplys, and output end is plugged into a signal pin of microcontroller.
After microcontroller monitors 24V power supplies, that is, the data in SPI-FLASH are wiped, to the vacating space storage power-off that moment
Between printing breakpoint data.If in print procedure, 24V power failures, then power detection module notify microcontroller at once.It is micro-
Controller is by the driving by controlling all power supply units of signal-off accordingly.Microcontroller will be in this in a flash by breakpoint number
According to storing into SPI-FLASH.
When powering on for the second time, microcontroller will read the breakpoint data in SPI-FLASH.
The first situation：When finding to have breakpoint data really in SPI-FLASH, then the control interface of printer can carry
Show whether continue to print；If user's choosing is, microcontroller will find the breakpoint of last time preservation in SPI-FLASH, and should
Breakpoint location is uploaded to background backup unit (or data backstage) to back up.At the same time, start to heat extruder head, directly
To after extruder head and the partial melting of unfinished model adhesion, mechanical return is executed, then, control extruder head moves to the breakpoint
The mechanical location at place, and continue to print on the mechanical location, until terminating.If user select it is no, microcontroller will wipe
Data in SPI-FLASH reselect mimeograph documents printing.
The second situation：When finding in SPI-FLASH without storage breakpoint data, then when illustrating that the last time is using machine
There is not the case where abnormal power-down, and directly reselected the printing of some mimeograph documents.
The flow of whole process is as shown in Figure 2.
Example
Print certain head portrait file, total time-consuming 30 hours.When progress bar is shown as 90%, has a power failure suddenly, cause in printing
It is disconnected.Such case is found after when operator 4 is small.It has sent a telegram here at this time, the also poor cranium of the head portrait has not been beaten, printer
It displays whether to continue last time printing on UI.
Operator selects to continue last time printing.At this point, extruder head is begun to warm up, until be heated to extruder head can with do not complete
Model separation, motor drive module drive three spindle motors movement, carry out mechanical return.Extruder head then continues to heat, printing
The hott bed heating module of machine also begins to heat, until after being both heated to assigned temperature, microcontroller is sought in SPI-FLAH
Look for the breakpoint that last time prints.And the breakpoint is mapped to the corresponding position in gcode files.Printer by from the breakpoint of last time after
Continuous printing is completed until entire head portrait prints.
After the completion of printing, operator can use heat gun according to data backstage by the breakpoint location suggested by touch screen
Equal tools repair breakpoint manually.
The above content is specific/preferred embodiment further description made for the present invention is combined, cannot recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, some replacements or modification can also be made to the embodiment that these have been described,
And these are substituted or variant all shall be regarded as belonging to protection scope of the present invention.
Claims (11)
1. a kind of 3D printer with controlling cashier power-cut-off contiuous printing function, including 3D printing executing agency, the 3D printing executing agency include
Extruder head, which is characterized in that the 3D printer further includes power-off monitoring and controlling unit, breakpoint data storage cell and extrusion
Head heating module, wherein the power-off monitoring and controlling unit when monitoring the power failure of the 3D printing executing agency, is incited somebody to action
The breakpoint data storage cell is recorded in the breakpoint data of the 3D printing task of interruption, and the power-off monitoring and controlling unit is being supervised
When measuring the service restoration of the 3D printing executing agency, detect whether the breakpoint data storage cell is stored with breakpoint number
According to, when having detected corresponding breakpoint data, controls the extruder head heating module and the extruder head is preheated, until
It is multiple to execute machinery with after the partial melting of unfinished printer model adhesion to the 3D printing executing agency for the extruder head
Position, then automatically or receive it is input by user confirm it is continuous beat instruct in the case of, call the breakpoint number to control according to this
The 3D printing executing agency continues the 3D printing task of last interruption；Wherein controlling the extruder head and preheat is
Heating temperature value and/or heating time are preset according to printed material, when detection printer model reaches the temperature value of setting
Or when have passed through setting heating time under set temperature value, stop heating, or melt according to printer model corresponding portion
The induction of change state controls heating with judgement.
2. 3D printer as described in claim 1, which is characterized in that the breakpoint data storage cell includes disconnected for storing
The SPI-FLASH of point data, every time after starting printing, the power-off monitoring and controlling unit controls in erasing SPI-FLASH
Original breakpoint number just breakpoint data of vacating space storage shutdown transient next time according to this.
3. 3D printer as claimed in claim 1 or 2, which is characterized in that further include background backup unit, the power-off monitoring
The breakpoint data are also uploaded to institute by control unit when the breakpoint data storage cell is recorded in the breakpoint data
It states background backup unit to be backed up, the additional control unit profit of the power-off monitoring and controlling unit or the background backup unit
The breakpoint data described in the background backup unit backup generate the prompt letter of the breakpoint location of last printing to operating personnel
Breath, so that operating personnel repair breakpoint location manually.
4. 3D printer as claimed in claim 3, which is characterized in that the prompt message is held in the 3D printing executing agency
Print out task of having gone is sent out later.
5. 3D printer as claimed in claim 1 or 2, which is characterized in that the power-off monitoring and controlling unit is monitoring
When stating the service restoration of 3D printing executing agency and having detected corresponding breakpoint data, monitoring users, which are that input validation is continuous, beats finger
Enable it is still not continuous plays instruction, do not listen to continuous beat instruct in the case of, that wipes that the breakpoint data storage cell stores breaks
Point data, and printed according to new mimeograph documents.
6. 3D printer as claimed in claim 1 or 2, which is characterized in that the 3D printer is FDM 3D printers.
7. a kind of 3D printing method using 3D printer described in claim 1, which is characterized in that include the following steps：
Monitoring and controlling unit is powered off when monitoring the power failure of 3D printing executing agency, by the disconnected of the 3D printing task of interruption
Breakpoint data storage cell is recorded in point data；
The power-off monitoring and controlling unit detects the breakpoint number when monitoring the service restoration of the 3D printing executing agency
It whether is stored with corresponding breakpoint data according to storage unit；
When the power-off monitoring and controlling unit has detected corresponding breakpoint data, control extruder head heating module to extruder head into
Row preheating, after the extruder head and the partial melting of unfinished printer model adhesion, to the 3D printing executing agency
Execute mechanical return；Wherein control the extruder head carry out preheating be according to printed material preset heating temperature value and/or
Heating time have passed through setting heating time when detecting printer model and reaching the temperature value of setting or under set temperature value
When, stop heating, or heating is controlled according to the induction of the melting state to printer model corresponding portion and judgement；
Automatically or receive it is input by user confirm it is continuous beat instruct in the case of, call described in the breakpoint number controls according to this
3D printing executing agency continues the 3D printing task of last interruption.
8. 3D printing method as claimed in claim 7, which is characterized in that the breakpoint data storage cell includes for storing
The SPI-FLASH of breakpoint data, every time after starting printing, the power-off monitoring and controlling unit controls erasing SPI-FLASH
In original breakpoint number just breakpoint data of vacating space storage shutdown transient next time according to this.
9. 3D printing method as claimed in claim 7 or 8, which is characterized in that the power-off monitoring and controlling unit will be will be described
When the breakpoint data storage cell is recorded in breakpoint data, it is standby that the breakpoint data are also uploaded to the progress of background backup unit
Part, the additional control unit of the power-off monitoring and controlling unit or the background backup unit is standby using the background backup unit
Part breakpoint data generate the prompt message of the breakpoint location of last printing to operating personnel, so that operating personnel are to disconnected
It is repaired manually point position.
10. 3D printing method as claimed in claim 9, which is characterized in that the prompt message executes machine in the 3D printing
Structure is sent out after having executed print out task.
11. 3D printing method as claimed in claim 7 or 8, which is characterized in that the power-off monitoring and controlling unit is monitoring
The service restoration of the 3D printing executing agency and when having detected corresponding breakpoint data, monitoring users, which are that input validation is continuous, to be beaten
Instruction is not still continuous to play instruction, cannot not listen to continuously beat instruct in the case of, wipe what the breakpoint data storage cell stored
Breakpoint data, and printed according to new mimeograph documents.
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| CN107351401A (en) * | 2017-08-01 | 2017-11-17 | 福州万象三维电子科技有限公司 | 3 D-printing controlling cashier power-cut-off contiuous printing mechanism |
| CN109719953A (en) * | 2017-10-30 | 2019-05-07 | 三纬国际立体列印科技股份有限公司 | Print guard method and three-dimensional printing equipment |
| CN108724735A (en) * | 2018-05-03 | 2018-11-02 | 杭州先临爱打印科技有限公司 | A kind of 3D printer and its controlling cashier power-cut-off contiuous printing control circuit and method |
| CN108638517A (en) * | 2018-05-17 | 2018-10-12 | 滕州市安川自动化机械有限公司 | A kind of be powered based on 3D printer recovery after power cut continues the control system of printing |
| CN109532027A (en) * | 2018-12-26 | 2019-03-29 | 深圳市越疆科技有限公司 | 3D printer soft-off control circuit and 3D printing equipment |
| CN110039767B (en) * | 2019-05-29 | 2021-07-20 | 重庆八棱科技有限公司 | Control system and method for power-off reset continuous printing of fused laminated forming 3D printer |
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