CN108340581A - A kind of melting extrusion equipment nozzle obstruction-proof method and device - Google Patents
A kind of melting extrusion equipment nozzle obstruction-proof method and device Download PDFInfo
- Publication number
- CN108340581A CN108340581A CN201711462237.1A CN201711462237A CN108340581A CN 108340581 A CN108340581 A CN 108340581A CN 201711462237 A CN201711462237 A CN 201711462237A CN 108340581 A CN108340581 A CN 108340581A
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- China
- Prior art keywords
- printing head
- load
- unit interval
- extrusion equipment
- time period
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Classifications
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- 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
- B29C64/343—Metering
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Ink Jet (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a kind of melting extrusion equipment nozzle obstruction-proof methods, which is characterized in that the method step includes：Measure first load of the printing head in first time period；Measure second load of the printing head in second time period；Calculate separately first unit load and second unit load of the printing head in the first time period and in the second time period；Compare the size of the first unit interval load and the second unit interval load.The present invention also provides a kind of anticlogging devices of melting extrusion equipment nozzle.Melting extrusion equipment nozzle obstruction-proof method and device provided by the invention can solve the small blocking for being difficult to observe that printing head encounters in time; to avoid it from being further developed into for big blocking; printing head is protected, the blocking occurrence probability that print job is encountered is significantly reduced.
Description
Technical field
The present invention relates to three-dimensional printing technology field, specially a kind of melting extrusion equipment nozzle obstruction-proof method and dress
It sets.
Background technology
In 3 D-printing, raw material are sprayed from printing head, and successively superposition forms printed product on pedestal.Due to each
The phenomenon that kind of reason, printing head will appear blocking, sometimes these blockings be more it will be evident that but more when, this
A little block often is small blocking, is visually difficult to observe, user is difficult to find.These small blockings not being found do not have
To solution to gradually become big blocking, raw material are largely blocked and are deposited in printing head, and raw material can not continue to spray, and beat
Operating interruptions are printed, and waste material of the bulk deposition in printing head can burst printing head, the printing head burst can even hinder
People around evil, potential danger are larger.
Invention content
It is above-mentioned to solve the purpose of the present invention is to provide a kind of melting extrusion equipment nozzle obstruction-proof method and device
The problem of being proposed in background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of anticlogging side of melting extrusion equipment nozzle
Method, which is characterized in that the method step includes：
Measure first load of the printing head in first time period；
Measure second load of the printing head in second time period；
First unit of the printing head in the first time period and in the second time period is calculated separately to go out
Doses and the second unit load；
Compare the size of the first unit interval load and the second unit interval load.
Preferably, when the second unit interval load is equal to the first unit interval load, continue
First load step of the measurement printing head in first time period.
Preferably, when the second unit interval load is less than the first unit interval load, described in raising
The temperature of printing head.
Preferably, the temperature is greater than or equal to the fusion temperature of material therefor in the printing head, and less than described
The safe temperature of printing head.
Preferably, it when the second unit interval load is more than the first unit interval load, turns down described
The discharging speed of printing head and/or send out alarm.
The present invention also provides a kind of anticlogging device of melting extrusion equipment nozzle, described device includes：
Measuring device, for measuring printing head in first time period and the first load in second time period and the
Two loads；
Printing head is exported for receiving printed material and melting the printed material；
Control device, the input for receiving the measuring device judge the printing head in the first time period
The size of the first interior unit interval load and the second unit interval load in the second time period, and control institute
State printing head work.
Preferably, described device further includes the switch being connect with the control device, and the switch controls the printing spray
The pause and unlatching of head.
Preferably, described device further includes the temperature control device being electrically connected with the control device and the printing head,
The temperature control device controls the temperature of the printing head.
Preferably, the measuring device includes Infrared measuring devices and Acoustic wave measuring apparatus, the Infrared measuring devices and
The Acoustic wave measuring apparatus is for measuring load of the printing head within the unit interval.
Preferably, the control device includes microcontroller and PLC logic processors.
Compared with prior art, the beneficial effects of the invention are as follows：Melting extrusion equipment nozzle anti-clogging provided by the invention
Method and device can solve the small blocking for being difficult to observe that printing head encounters in time, to avoid its further
Develop into big blocking, protect printing head, significantly reduces the blocking occurrence probability that print job is encountered.
Description of the drawings
Fig. 1 is the anti-blockage method flow chart of the present invention；
Fig. 2 is the anti-blockage method flow chart of the present invention；
Fig. 3 is the preventing clogging up device structural schematic diagram of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the anti-blockage method flow chart of the present invention, and Fig. 2 is the anti-blockage method flow chart of the present invention, with reference to
The present invention will be described in detail by Fig. 1-2.
The present invention provides a kind of melting extrusion equipment nozzle obstruction-proof method, the method step includes：Measurement is beaten
Print first load of the nozzle in first time period；Measure second load of the printing head in second time period；
The printing head is calculated separately in the first time period and the first unit load in the second time period and the
Two unit loads；Compare the size of the first unit interval load and the second unit interval load.
By the operation of method flow in Fig. 1, the first unit load M and the second unit load N can be calculated separately
Out, and M and N can accordingly be swashed for these three magnitude relationships there are three types of magnitude relationship according to comparison result respectively
This is described in detail in operation living, Fig. 2.
In conjunction with Fig. 2, when the second unit interval load N is equal to the first unit interval load M, continue into
First load step of the row measurement printing head in first time period, that is to say, that go successively to institute in Fig. 1
The cycle shown.
When the second unit interval load N is less than the first unit interval load M, the printing spray is increased
The temperature of head.Wherein, the temperature is greater than or equal to the fusion temperature of material therefor in the printing head, and is beaten less than described
Print the safe temperature of nozzle.Since the temperature of printing head increases, the material melts that can will be blocked in printing head, printing spray
The material blocked in head is constantly promoted the material come to be released from printing head below, and printing head discharging restores normal.When
So, the safe temperature that the temperature of printing head is arranged between Material Melt temperature and printing head itself be formed by section it
Between.The safe temperature can be the fusion temperature of printing head material (generally steel) itself, can also be printing head
The protection temperature threshold of setting.
When the second unit interval load N is more than the first unit interval load M, the printing spray is turned down
Head discharging speed and/or send out alarm.That is, when N is more than M, the material subsequently entered has been over printing spray
(speed of the material of printing head processing at this time has reached the limit to the upper limit for the material that head can be released, and printing head is
It is blocked), if continuing to keep discharging speed at this time, chocking-up degree will certainly be increased, it could even be possible to printing head is fried
It splits, thus the discharging speed for the printing head to be reduced that is bound to, while can also propose alarm, inform user.
Fig. 3 is the preventing clogging up device structural schematic diagram of the present invention, and apparatus of the present invention are described in detail in conjunction with Fig. 3.
The present invention provides a kind of anticlogging devices of melting extrusion equipment nozzle, and described device includes measuring device
101, for measuring first load and second load of the printing head 301 in first time period and in second time period；
Printing head 301 is exported for receiving printed material and melting the printed material；
Control device 201, the input for receiving the measuring device 101 judge the printing head 301 described
The size of the first unit interval load in one period and the second unit interval load in the second time period,
And control the work of the printing head 301.Described device further includes the switch 401 being connect with the control device 201, described to open
Close 401 pauses and unlatching for controlling the printing head 301.
Described device further includes the temperature control device being electrically connected with the control device 201 and the printing head 301
501, the temperature control device 501 controls the temperature of the printing head 301.Temperature control device 501 can be set to printing head 301
On.
The measuring device 101 includes infrared measuring device 111 and Acoustic wave measuring apparatus 112, the infrared survey dress
Set 111 and the Acoustic wave measuring apparatus 112 for measuring load of the printing head 301 within the unit interval.The control
Device 201 processed includes microcontroller and PLC logic processors.
In the present apparatus, measuring device 101 measures unit interval the load M and N of printing head 301, and data are passed
It transports in control device 201, control device 201 is compared the size of M and N, according to comparison result device for selection controlling 201
The corresponding operating of middle storage, and targetedly control switch 401 makes its pause either open printing nozzle 301 or control temperature control
Device 501 makes it that temperature of printing head 301 is increased or be reduced, to alleviate the blockage inside printing head 301,
Greatly reduce the probability that printing head 301 blocks.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of melting extrusion equipment nozzle obstruction-proof method, which is characterized in that the method step includes：Measure printing spray
First load of the head in first time period；
Measure second load of the printing head in second time period；
Calculate separately first unit load of the printing head in the first time period and in the second time period
With the second unit load；
Compare the size of the first unit interval load and the second unit interval load.
2. a kind of melting extrusion equipment nozzle obstruction-proof method according to claim 1, it is characterised in that：When described
When two unit interval loads are equal to the first unit interval load, continue the measurement printing head at first
Between the first load step in section.
3. a kind of melting extrusion equipment nozzle obstruction-proof method according to claim 1, it is characterised in that：When described
When two unit interval loads are less than the first unit interval load, the temperature of the printing head is increased.
4. a kind of melting extrusion equipment nozzle obstruction-proof method according to claim 3, it is characterised in that：The temperature
More than or equal to the fusion temperature of material therefor in the printing head, and less than the safe temperature of the printing head.
5. a kind of melting extrusion equipment nozzle obstruction-proof method according to claim 1, it is characterised in that：When described
Two unit interval loads be more than the first unit interval load when, turn down the printing head discharging speed and/or
Send out alarm.
6. a kind of anticlogging device of melting extrusion equipment nozzle, which is characterized in that described device includes：
Measuring device goes out for measuring the first load and second of the printing head in first time period and in second time period
Doses；
Printing head is exported for receiving printed material and melting the printed material；
Control device, the input for receiving the measuring device judge the printing head in the first time period
The size of first unit interval load and the second unit interval load in the second time period, and beaten described in control
Print nozzle work.
7. a kind of anticlogging device of melting extrusion equipment nozzle according to claim 6, which is characterized in that described device
Further include the switch being connect with the control device, the switch controls the pause and unlatching of the printing head.
8. a kind of anticlogging device of melting extrusion equipment nozzle according to claim 6, which is characterized in that described device
Further include the temperature control device being electrically connected with the control device and the printing head, the temperature control device controls the printing
The temperature of nozzle.
9. a kind of anticlogging device of melting extrusion equipment nozzle according to claim 6, which is characterized in that the measurement
Device includes infrared measuring device and Acoustic wave measuring apparatus, and the infrared measuring device and the Acoustic wave measuring apparatus are used for
Measure load of the printing head within the unit interval.
10. a kind of anticlogging device of melting extrusion equipment nozzle according to claim 6, which is characterized in that the control
Device processed includes microcontroller and PLC logic processors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462237.1A CN108340581A (en) | 2017-12-28 | 2017-12-28 | A kind of melting extrusion equipment nozzle obstruction-proof method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462237.1A CN108340581A (en) | 2017-12-28 | 2017-12-28 | A kind of melting extrusion equipment nozzle obstruction-proof method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108340581A true CN108340581A (en) | 2018-07-31 |
Family
ID=62962550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462237.1A Pending CN108340581A (en) | 2017-12-28 | 2017-12-28 | A kind of melting extrusion equipment nozzle obstruction-proof method and device |
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| Country | Link |
|---|---|
| CN (1) | CN108340581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454871A (en) * | 2018-10-19 | 2019-03-12 | 东莞市韶达五金科技有限公司 | A kind of printer head anti-blockage structure |
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| CN105666879A (en) * | 2016-03-28 | 2016-06-15 | 刘湘静 | 3D printer with anti-blockage detecting and warning functions |
| US20160257120A1 (en) * | 2015-03-02 | 2016-09-08 | Fuji Xerox Co., Ltd. | Driving device of liquid droplet discharging head, printer, and non-transitory computer readable medium |
| CN106001576A (en) * | 2016-05-19 | 2016-10-12 | 西安交通大学 | Melt flow control method and device for melt coating additive manufacturing |
| CN205800202U (en) * | 2016-06-01 | 2016-12-14 | 深圳万为智能制造科技有限公司 | 3D prints with printhead, control system and 3D printer |
| CN106696292A (en) * | 2015-07-31 | 2017-05-24 | 三纬国际立体列印科技股份有限公司 | Three-dimensional printing device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160257120A1 (en) * | 2015-03-02 | 2016-09-08 | Fuji Xerox Co., Ltd. | Driving device of liquid droplet discharging head, printer, and non-transitory computer readable medium |
| CN106696292A (en) * | 2015-07-31 | 2017-05-24 | 三纬国际立体列印科技股份有限公司 | Three-dimensional printing device |
| CN105666879A (en) * | 2016-03-28 | 2016-06-15 | 刘湘静 | 3D printer with anti-blockage detecting and warning functions |
| CN106001576A (en) * | 2016-05-19 | 2016-10-12 | 西安交通大学 | Melt flow control method and device for melt coating additive manufacturing |
| CN205800202U (en) * | 2016-06-01 | 2016-12-14 | 深圳万为智能制造科技有限公司 | 3D prints with printhead, control system and 3D printer |
| CN107364120A (en) * | 2017-08-16 | 2017-11-21 | 深圳市洛众科技有限公司 | A kind of contactless 3D printing consumptive material condition detection method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109454871A (en) * | 2018-10-19 | 2019-03-12 | 东莞市韶达五金科技有限公司 | A kind of printer head anti-blockage structure |
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Effective date of abandoning: 20211231 |
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