CN110509541A - A kind of 3D printer silk transmission mechanism and its into silk method - Google Patents
A kind of 3D printer silk transmission mechanism and its into silk method Download PDFInfo
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- CN110509541A CN110509541A CN201910757790.0A CN201910757790A CN110509541A CN 110509541 A CN110509541 A CN 110509541A CN 201910757790 A CN201910757790 A CN 201910757790A CN 110509541 A CN110509541 A CN 110509541A
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- silk
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- turntable
- unit
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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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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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)
Abstract
The invention discloses a kind of 3D printer silk transmission mechanisms, it is placed in filament cassette for the silk to nozzle for silk, silk is transferred to nozzle by dynamical system, and dynamical system includes the silk driving means close to filament cassette one end, the silk pull unit close to nozzle one end and the silk buffer unit being arranged among silk driving means and silk pull unit.Into silk method are as follows: silk driving means stops operating after one section of silk is pushed to silk buffer unit, silk pull unit continued operation pulls silk, when the silk in silk buffer unit is tightened, silk driving means continues to push one section of silk to silk buffer unit.The present invention is provided with a silk buffer unit between silk driving means and silk pull unit, and silk driving means gap provides thrust, and silk pull unit continuously provides pulling force, and two devices can continue wire vent without synchronous operation, improve print quality.
Description
Technical field
The invention belongs to 3D printer fields, and in particular to a kind of 3D printer silk transmission mechanism and its into silk method.
Background technique
FDM (fusion sediment) 3D printer melts silk by high-temperature heating printing head and deposits to print platform,
Be cooled rapid condensation when fusing silk contact print platform, and printing head deposits silk along the printing path set layer by layer
Onto print platform, to construct the model with three-dimensional structure.
The filament cassette of large-scale FDM3D printer is mounted on the bottom of 3D printer, and printer head is mounted on 3D printer
Top, silk need motor drive print on print platform layer by layer.Usual motor is mounted in printer head, but by
It is larger in large-scale FDM3D printer volume, silk from filament cassette to printer head distance farther out, what silk received in pipeline
Resistance is larger, and a motor possibly can not pull silk.It just needs that second motor is arranged in the bottom of 3D printer at this time and mentions
Arch thrust, to pull silk.
But two motors of setting pull silk that can encounter following problems in 3D printer: two motors must synchronize fortune
Make, if two motor runnings are asynchronous, will cause silk wire vent and go wrong, cause to print unstable, in some instances it may even be possible to cause to beat
Print failure.
Summary of the invention
The purpose of the present invention is to provide a kind of 3D printer silk transmission mechanism and its into silk method, pushes and fill in silk
It sets and is provided with a silk buffer unit between silk pull unit, silk driving means gap provides thrust, and silk pulls
Device, which continuously provides pulling force, silk driving means and silk pull unit, can continue wire vent without synchronous operation, improve printing
Quality.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of 3D printer silk transmission mechanism, including filament cassette and nozzle are placed with for supplying to nozzle in filament cassette
The silk of silk, silk are transferred to nozzle by dynamical system, it is characterised in that: dynamical system includes the silk close to filament cassette one end
Material driving means, close to nozzle one end silk pull unit and be arranged among silk driving means and silk pull unit
Silk is divided into two sections of conveyings by silk buffer unit, silk buffer unit.One section of silk is pushed to silk by silk driving means
It stopping operating after buffer unit, silk pull unit continued operation pulls silk, when the silk in silk buffer unit is tightened,
Silk driving means continues to push one section of silk to silk buffer unit.The setting of silk buffer unit make silk driving means and
Silk pull unit can continue wire vent without synchronous operation, improve print quality.
Further, silk buffer unit includes being provided with sensing in feeding passage into silk mouth, feeding passage and filament mouth
Device, sensor are used to incude the state of silk.Silk is stretched out after entering feeding passage into silk mouth from filament mouth, sensor sensing
Mainboard is carried the information to after to silk state difference, mainboard controls the gap running of silk driving means, pushes away when silk is tightened
It send in one section of silk to silk buffer unit.
Further, sensor includes trigger unit and detecting means, and trigger unit is used to experience the state that silk is tightened or relaxes,
Detecting means are used to receive the state of trigger unit.Detecting means sense the state change of trigger unit to carry the information to mainboard.
Further, trigger unit has first state and the second state, silk from be relaxed to tighten when, trigger unit is from the first shape
State becomes the second state, and silk is from when being tightened to loose, and trigger unit becomes first in the first state from the second state, and silk pushes away
Device wire feed is sent, silk pull unit stops working, and in the second condition, silk pull unit wire drawing, silk driving means stops
Only work.The different conditions of silk change the state of trigger unit, and detecting means transmit information master after sensing the variation of trigger unit
Plate, mainboard control the running of silk driving means, so that silk driving means conveys one section of silk to silk when tightening silk
In buffer unit.
Further, trigger unit and detecting means are mounted on bottom plate, and trigger unit is eccentric structure, and eccentric structure revolves on bottom plate
Turn, one end of eccentric structure is contacted with detecting means, and the other end of eccentric structure is contacted with feeding passage, and detecting means are photoelectric sensing
Device, photoelectric sensor are equipped with upper inductive head and lower inductive head, and turntable is equipped with rotational disk cutout, and rotational disk cutout is located at upper inductive head under
Between inductive head.When turntable is in situ under the gravity of eccentric wheel, rotational disk cutout is located at upper inductive head and lower induction
Between head, the light between upper inductive head and lower inductive head passes through rotational disk cutout；When silk drives turntable to be rotated up, turntable
The light between upper inductive head and lower inductive head has been blocked in rotation, and photoelectric sensor detects that light is cut, to transmit signal
To mainboard.Silk is tightened in feeding passage from being relaxed to, and the silk tightened touches eccentric structure, and eccentric structure revolves upwards
Turn, photoelectric sensor detects the rotation of eccentric structure, sensor passes signal to mainboard, and mainboard provides signal to silk and pushes
Device, silk driving means, which continues up, pushes one section of silk, and silk is moved to inside, eccentric structure on the outside of feeding passage
It falls after rise downwards, photoelectric sensor detects that eccentric structure rotates, and transmits signal to mainboard, mainboard provides signal to silk again and pushes
Device, silk driving means stop operating, and repeat above-mentioned movement.
Further, feeding passage is in crescent shape, and feeding passage is equipped with outer ring and inner ring, and inner ring is open equipped with inner ring, eccentric
Structure includes turntable, eccentric wheel and shaft, and shaft runs through turntable and eccentric wheel, the end thereof contacts sensor of turntable, turntable it is another
One end seals inner ring opening.When silk continues to be pulled by silk pull unit, silk is mobile towards inner ring, and drive turntable around
Shaft be rotated up；When silk is pushed by silk driving means, silk is mobile towards outer ring, and turntable is in eccentric wheel at this time
It is fallen after rise under gravity and seals inner ring opening.Sensor can sense the rotation of turntable, and transmit signal to mainboard.Bias knot
Structure can make sensor accurately sense situation of the silk in feeding passage, so that mainboard be made to start or close silk push dress
It sets.
Further, one end that turntable seals inner ring opening is equipped with lug boss, and bottom plate is equipped with the first limited block, the first limited block
Top and the bottom of lug boss match, the periphery of lug boss is arc-shaped, and bottom plate is equipped with the second limited block, the second limited block
It offsets at the top of lug boss.First limited block offsets with lug boss, and turntable is enable to seal inner ring opening when in situ.Turn
The periphery of lug boss offsets with the second limited block when disk rotates, and further limits position when turntable rotation.
Further, into feed pipe is equipped at silk mouth, feed pipe is equipped with feed pipe pressing plate and feed pipe limited block, filament mouth are set
There is discharge nozzle, discharge nozzle is equipped with discharge nozzle pressing plate and discharge nozzle limited block, and discharge nozzle limited block and feed pipe limited block are equipped with
Expect hole, discharge nozzle pressing plate and feed pipe pressing plate are equipped with indent.Silk from feed pipe enter feeding passage after from the discharging of top
Pipe stretches out, and feed pipe and discharges and protection of pipe silk and prevents silk and wire intertwist.Feed pipe and discharge nozzle are detachable, charging
Pipe wears material path and enters feed pipe limited block, and feed pipe pressing plate compresses feed pipe by indent.Discharge nozzle limited block and discharge nozzle
Pressing plate to the effect of discharge nozzle similarly.
A kind of 3D printer silk transmission mechanism into silk method, include the following steps:
(1) bottom of 3D printer is equipped with filament cassette, is equipped with silk driving means, the top of 3D printer in front of filament cassette
Equipped with printer head, it is equipped with silk pull unit in printer head, the silk in filament cassette is pulled out, silk passes through silk
Driving means enters from feed pipe behind the outer ring of feeding passage to be stretched out from discharge nozzle again, finally protrudes into silk pull unit；
(2) starting 3D printer starts to print, and silk pull unit persistently pulls silk, and silk is in silk buffer unit
It moves up, silk is moved to inner ring from the outer ring of feeding passage, and silk drives turntable to move up；
(3) after turntable moves up, it is located at rotational disk cutout between the upper inductive head and lower inductive head of photoelectric sensor originally
It rotates down, photoelectric sensor senses that the light between inductive head and lower inductive head is truncated by turntable, and photoelectric sensor passes
For delivery signal to mainboard, mainboard provides current to silk driving means, the starting of silk driving means；
(4) silk driving means starting pushes up one section of silk, and silk is moved to outer ring from the inner ring of feeding passage, turns
Disk is fallen after rise under eccentric wheel gravity, until the lug boss of turntable offsets with the first limited block；
(5) after turntable is fallen after rise, for rotational disk cutout between upper inductive head and lower inductive head, photoelectric sensor senses sense
The light between head and lower inductive head is answered, photoelectric sensor transmits signal to mainboard, and mainboard stopping provides current to silk push
Device, silk driving means stop pushing silk；
(6) step (1) to (5) are repeated until printing terminates.
Turntable in silk buffer unit is rotated when silk is fed, and photoelectric sensor detects the variation of disk position,
To control the unlatching of silk driving means, make silk driving means interval work, and silk pull unit continues working, silk
Driving means and silk pull unit are without rotating synchronously, to guarantee that printer head wire vent is smooth.Photoelectric sensor is sensitive
Degree is high, long service life, reduces the repair cost in silk buffer unit.
Further, filament cassette at least two are equipped with two-in-one feeding between silk driving means and silk buffer unit
Device, two-in-one feed device is interior to be equipped with silk monitoring assembly；Silk in two filament cassettes enters two from silk driving means
After unifying feed device, the silk in the first filament cassette is entered into feeding passage from feed pipe, the silk in the second filament cassette is put
It sets in two-in-one feed device, when silk monitoring assembly, which monitors, does not have silk in two-in-one feed device, silk monitoring
Component transmits signal to mainboard, and mainboard provides current to the silk driving means in front of the second filament cassette, and silk driving means is held
Reforwarding is made, and the silk in the second filament cassette is sent into silk buffer unit from two-in-one feed device, finally enters printer
Spray head continues to print, while mainboard provides current to the silk driving means in front of the first filament cassette, rotates backward it
Recycle remaining silk.
Two-in-one feed device is also mounted in 3D printer, when silk is finished in one of filament cassette, another silk
Silk in magazine can be immediately introduced into printer head, reduced the number for changing silk manually, prevented from occurring in print procedure
Silk is insufficient and causes to print the phenomenon that stopping.
Due to the adoption of the above technical scheme, the invention has the following advantages:
The present invention is provided with a silk buffer unit, silk buffering between silk driving means and silk pull unit
Eccentric structure in device due to silk movement and rotate and trigger sensor, silk driving means gap is provided and is pushed away
Power, silk pull unit continuously provides pulling force, silk driving means and silk pull unit can continue without synchronous operation
Silk, wire vent is smooth, improves print quality, enhances the stability of printing head wire vent.Specifically have the beneficial effect that
1, silk driving means and silk pull unit can independently drive, without considering that silk driving means and silk pull
The synchronization of device.
2, the preferred photoelectric sensor of sensor, photoelectric sensor sensibility is high, and service life and the service life of part itself have
It closes, so service life is longer.And mechanical pick-up device, since the spring structure of itself is easy to happen damage, the service life is shorter.
3, eccentric structure can make sensor accurately sense situation of the silk in feeding passage, so that mainboard be made to start
Or close silk driving means.
4, feed pipe and discharge nozzle are detachable, and feed pipe and discharging and prevent silk and wire intertwist at protection of pipe silk.
5, the setting of transparent cover plate can make staff observe the working condition of silk buffer unit, if silk buffers
Problem, which occurs, for device to repair in time.
6, the first limited block and lug boss offset, and turntable is enable to seal inner ring opening when in situ.When turntable rotates
The periphery of lug boss offsets with the second limited block, further limits position when turntable rotation.
7, two-in-one feed device is also mounted in 3D printer, when silk is finished in one of filament cassette, another
Silk in filament cassette can be immediately introduced into printer head, reduce the number for changing silk manually, prevent from going out in print procedure
Existing silk is insufficient and causes to print the phenomenon that stopping.
Detailed description of the invention
Below according to attached drawing, the invention will be further described.
Fig. 1 is that the structure of silk buffer unit when silk is sent into silk buffer unit by silk driving means in the present invention is shown
It is intended to；
Fig. 2 is that the structure of silk buffer unit when silk pulls out silk buffer unit by silk pull unit in the present invention is shown
It is intended to；
Fig. 3 is the structural schematic diagram of eccentric structure in the present invention；
Fig. 4 is the structural schematic diagram of insole board of the present invention；
Fig. 5 is a kind of structural schematic diagram of 3D printer silk transmission mechanism in the present invention；
Fig. 6 is the structural representation that a kind of 3D printer silk transmission mechanism of two-in-one feed device is equipped in the present invention
Figure.
In figure, 2- silk buffer unit；3- silk driving means；4- printer head；5- bottom plate；6- feeding passage；
The outer ring 601-；602- inner ring；603- inner ring opening；7- photoelectric sensor；The upper inductive head of 701-；8- turntable；801- rotational disk cutout；
802- lug boss；9- eccentric wheel；10- shaft；11- silk；The first limited block of 12-；The second limited block of 13-；14- feed pipe；15-
Discharge nozzle；16- feed pipe pressing plate；17- feed pipe limited block；18- discharge nozzle pressing plate；19- discharge nozzle limited block；20- expects hole；
21- indent；22- transparent cover plate；23- filament cassette；24- silk pipe；The two-in-one feed device of 25-.
Specific embodiment
A kind of 3D printer silk transmission mechanism as shown in Figures 1 to 6, including silk driving means 3, silk pull dress
It sets and (is not drawn into figure), mainboard (being not drawn into figure) and silk buffer unit 2.Silk driving means 3 is mounted on outside filament cassette 23,
Silk pull unit is mounted in printer head 4, and filament cassette 3 is being printed in the bottom of printer body 5, printer head 4
The top of machine ontology 5.Silk buffer unit 2 includes bottom plate 5, and bottom plate 5 is equipped with into silk mouth, feeding passage 6, filament mouth, eccentric knot
Structure and photoelectric sensor 7.Feeding passage 6 is in crescent shape, and feeding passage 6 is equipped with outer ring 601 and inner ring 602, and inner ring 602 is equipped with interior
Circle opening 603.Eccentric structure includes turntable 8, eccentric wheel 9 and shaft 10, and shaft 10 runs through turntable 8 and eccentric wheel 9, turntable 8
End thereof contacts photoelectric sensor 7, the other end of turntable 8 seal inner ring opening 603.Eccentric structure can make photoelectric sensor 7 quasi-
Really situation of the silk 11 in feeding passage 6 is sensed, so that mainboard be made to start or close silk driving means 3.Silk pulls
When device wire drawing material 11, the direction that turntable 8 rotates is consistent with the mobile direction of silk 11, avoids hindering between silk 11 and turntable 8
Power is excessive and causes silk pull unit that can not pull silk 11.
Photoelectric sensor 7 is equipped with upper inductive head 701 and lower inductive head (being not drawn into figure), and turntable 8 is equipped with rotational disk cutout
801, rotational disk cutout 801 is between upper inductive head 701 and lower inductive head.One end that turntable 8 seals inner ring opening 603 is equipped with convex
Portion 802 is played, bottom plate 5 is equipped with the first limited block 12, and the top of the first limited block 12 and the bottom of lug boss 802 match.First
Limited block 12 offsets with lug boss 802, and turntable 8 is enable to seal inner ring opening 603 when in situ.The periphery of lug boss 802
For arc-shaped, bottom plate 5 is equipped with the second limited block 13, and the top of the second limited block 13 and lug boss 802 offsets.When turntable 8 rotates
The periphery of lug boss 802 offsets with the second limited block 13, further limits position when turntable 8 rotates.
It is equipped with feed pipe 14 at into silk mouth, is equipped with discharge nozzle 15, feed pipe 14, discharge nozzle 15 and feeding passage at filament mouth
6 are connected.Silk 11 is stretched out after the entrance feeding passage 6 of feed pipe 14 from the discharge nozzle 15 of top, feed pipe 14 and discharge nozzle
15 protect silks 11 and prevent silk 11 and wire intertwist.The tail portion of bottom plate 5 is equipped with feed pipe pressing plate 16 and feed pipe limits
The top of block 17, bottom plate 5 is equipped with discharge nozzle pressing plate 18 and discharge nozzle limited block 19, discharge nozzle limited block 19 and feed pipe limited block
17 are equipped with material hole 20, and discharge nozzle pressing plate 18 and feed pipe pressing plate 16 are equipped with indent 21.Feed pipe 14 and discharge nozzle 15 are removable
It unloads, feed pipe 14 wears material path 20 and enters feed pipe limited block 17, and feed pipe pressing plate 16 compresses feed pipe 14 by indent 21.Out
Expects pipe limited block 19 and discharge nozzle pressing plate 18 to the effect of discharge nozzle 15 similarly.5 screw of bottom plate is fixed with transparent cover plate 22.It is transparent
The setting of cover board 22 can make staff observe the working condition of 11 buffer unit 2 of silk, if 11 buffer unit 2 of silk is sent out
Raw problem can repair in time.
Printer body 5 is additionally provided with two-in-one feed device 25 between filament cassette 23 and silk buffer unit 2, two-in-one
Silk monitoring assembly is equipped in feed device 25.
In the present embodiment, printer body 5 set there are two the silk buffer unit 2, two two of printer head 4, two close
One feed device 25 and four filament cassettes 23.Each printer head 4 corresponding one silk buffer unit 2, one two-in-one to send
Expect device 25 and two filament cassettes 23.Silk in two of them printer head 4 can be the silk of unlike material different colours
Material 11, and 4 corresponding two silks 11 of the same printer head are identical silk 11.Printer head 4, silk buffer unit
2, silk pipe 24 is equipped between two-in-one feed device 25 and filament cassette 23.
It is a kind of using 3D printer silk transmission mechanism into silk method, include the following steps:
(1) bottom of 3D printer is equipped with filament cassette 23, is equipped with silk driving means 3,3D printer in front of filament cassette 23
Top be equipped with printer head 4, silk pull unit is equipped in printer head 4, by two silks in two filament cassettes
11 pull out, and two silks 11 pass through silk driving means 3 and enter two-in-one feed device 25 from silk pipe 24, by the first filament cassette
Silk 11 in (being not drawn into figure) protrude into feed pipe 14 enter feeding passage 6 outer ring 601 after again from discharge nozzle 15 stretch out, silk
Material 11 finally protrudes into silk pull unit along silk pipe 24, and the silk 11 in the second filament cassette (being not drawn into figure) is placed on two
Unify in feed device 25；
(2) starting 3D printer starts to print, and silk pull unit persistently pulls silk 11, and silk 11 is buffered in silk and filled
It sets in 2 and moves up, silk 11 is moved to inner ring 602 from the outer ring of feeding passage 6 601, and silk 11 drives turntable 8 to moving up
It is dynamic；
(3) after turntable 8 moves up, it is located at turntable between the upper inductive head 701 and lower inductive head of photoelectric sensor 7 originally
8 Open Side Down rotations, photoelectric sensor 7 senses that the light between inductive head 701 and lower inductive head is truncated by turntable 8, light
Electric transducer 7 transmits signal to mainboard, and mainboard provides current to silk driving means 3, and silk driving means 3 starts；
(4) starting of silk driving means 3 pushes up one section of silk 11, and silk 11 is mobile from the inner ring 602 of feeding passage 6
To outer ring 601, turntable 8 is fallen after rise under 9 gravity of eccentric wheel, until the lug boss 802 and 12 phase of the first limited block of turntable 8
It supports；
(5) after turntable 8 is fallen after rise, turntable 8 is open between upper inductive head 701 and lower inductive head, and photoelectric sensor 7 incudes
Light between upper inductive head 701 and lower inductive head, photoelectric sensor 7 transmit signal to mainboard, and mainboard stops providing electric current
To silk driving means 3, silk driving means 3 stops pushing silk 11；
(6) step (1) to (5) are repeated until printing terminates；
(7) if the silk 11 in the first filament cassette is used up fastly, silk monitoring assembly monitors two-in-one feed device 25
Interior not have silk 11, silk monitoring assembly transmits signal to mainboard, and the silk that mainboard provides current in front of the second filament cassette pushes away
Send device 3,3 continued operation of silk driving means, by the silk 11 in the second filament cassette from two-in-one feed device 25 along silk
Expects pipe 24 is sent into silk buffer unit 2, is finally entered printer head 4 and is continued to print, while mainboard provides current to
Silk driving means 3 in front of first filament cassette makes it rotate backward the remaining silk 11 of recycling.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made ground simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (10)
1. a kind of 3D printer silk transmission mechanism, including filament cassette and nozzle, it is placed in the filament cassette for described
For nozzle for the silk of silk, the silk is transferred to the nozzle by dynamical system, it is characterised in that: the dynamical system includes
Silk driving means close to described filament cassette one end, the silk pull unit close to described nozzle one end and setting are in the silk
Expect the silk buffer unit among driving means and the silk pull unit.
2. a kind of 3D printer silk transmission mechanism according to claim 1, it is characterised in that: the silk buffer unit
Including into silk mouth, buffer channel and filament mouth, being provided with sensor in the buffer channel, the sensor is used to incude described
The state of silk.
3. a kind of 3D printer silk transmission mechanism according to claim 2, it is characterised in that: the sensor includes touching
Hair portion and detecting means, the trigger unit is for experiencing the state that the silk is tightened or relaxes, and the detecting means are for receiving
The state of the trigger unit.
4. a kind of 3D printer silk transmission mechanism according to claim 3, it is characterised in that: the trigger unit has the
One state and the second state, the silk from be relaxed to tighten when, the trigger unit becomes the second state from first state, described
For silk from when being tightened to loose, the trigger unit becomes first in the first state from the second state, silk driving means wire feed,
Silk pull unit stops working, and in the second condition, silk pull unit wire drawing, silk driving means stops working.
5. a kind of 3D printer silk transmission mechanism according to claim 3, it is characterised in that: the trigger unit and the biography
Sense portion is mounted on bottom plate, and the trigger unit is eccentric structure, and the eccentric structure rotates on the bottom plate, the eccentric knot
One end of structure is contacted with the detecting means, and the other end of the eccentric structure is contacted with the buffer channel, and the detecting means are
Photoelectric sensor, the photoelectric sensor are equipped with upper inductive head and lower inductive head, and the turntable is equipped with rotational disk cutout, the turntable
Opening is between the upper inductive head and the lower inductive head.
6. a kind of 3D printer silk transmission mechanism according to claim 5, it is characterised in that: the buffer channel is in the moon
Tooth shape, the buffer channel are equipped with outer ring and inner ring, and the inner ring is equipped with inner ring and is open, and the eccentric structure includes turntable, inclined
Heart wheel and shaft, the shaft run through the turntable and the eccentric wheel, and sensor described in the end thereof contacts of the turntable is described
The other end of turntable seals the inner ring opening.
7. a kind of 3D printer silk transmission mechanism according to claim 6, it is characterised in that: the turntable seals in described
One end of circle opening is equipped with lug boss, and the bottom plate is equipped with the first limited block, the top of first limited block and the protrusion
The bottom in portion matches, and the periphery of the lug boss is arc-shaped, and the bottom plate is equipped with the second limited block, second limited block
It offsets at the top of the lug boss.
8. a kind of 3D printer silk transmission mechanism according to claim 2, it is characterised in that: it is described into be equipped at silk mouth into
Expects pipe, the feed pipe are equipped with feed pipe pressing plate and feed pipe limited block, and the filament mouth is equipped with discharge nozzle, and the discharge nozzle is set
There are discharge nozzle pressing plate and discharge nozzle limited block, the discharge nozzle limited block and the feed pipe limited block are equipped with material hole, described
Discharge nozzle pressing plate and the feed pipe pressing plate are equipped with indent.
9. it is a kind of using if 3D printer silk transmission mechanism described in any item of the claim 1 to 8 is into silk method, it is special
Sign is, includes the following steps:
(1) bottom of 3D printer is equipped with filament cassette, is equipped with silk driving means in front of filament cassette, the top of 3D printer is equipped with
Printer head, printer head is interior to be equipped with silk pull unit, the silk in filament cassette is pulled out, silk is pushed across silk
Device enters from feed pipe behind the outer ring of buffer channel to be stretched out from discharge nozzle again, finally protrudes into silk pull unit；
(2) starting 3D printer starts to print, and silk pull unit persistently pulls silk, and silk is upward in silk buffer unit
Mobile, silk is moved to inner ring from the outer ring of buffer channel, and silk drives turntable to move up；
(3) after turntable moves up, rotational disk cutout is downward between the upper inductive head and lower inductive head of photoelectric sensor originally
Rotation, photoelectric sensor sense that the light between inductive head and lower inductive head is truncated by turntable, photoelectric sensor transmitting letter
Number to mainboard, mainboard provides current to silk driving means, the starting of silk driving means；
(4) silk driving means starting pushes up one section of silk, and silk is moved to outer ring from the inner ring of buffer channel, and turntable exists
It is fallen after rise under eccentric wheel gravity, until the lug boss of turntable offsets with the first limited block；
(5) after turntable is fallen after rise, for rotational disk cutout between upper inductive head and lower inductive head, photoelectric sensor senses inductive head
Light between lower inductive head, photoelectric sensor transmit signal to mainboard, and mainboard stopping provides current to silk driving means,
Silk driving means stops pushing silk；
(6) step (1) to (5) are repeated until printing terminates.
10. according to claim 9 it is a kind of using 3D printer silk transmission mechanism into silk method, it is characterised in that: institute
Filament cassette at least two is stated, two-in-one feed device is equipped between silk driving means and silk buffer unit, it is two-in-one to send
Expect to be equipped with silk monitoring assembly in device；Silk in two filament cassettes enters two-in-one feed device from silk driving means
Afterwards, the silk in the first filament cassette is entered into buffer channel from feed pipe, the silk in the second filament cassette is placed on two-in-one send
Expect in device, when silk monitoring assembly, which monitors, does not have silk in two-in-one feed device, silk monitoring assembly transmits signal
To mainboard, mainboard provides current to the silk driving means in front of the second filament cassette, silk driving means continued operation, by second
Silk in filament cassette is sent into silk buffer unit from two-in-one feed device, is finally entered printer head and is continued to beat
Print, while mainboard provides current to the silk driving means in front of the first filament cassette, it is made to rotate backward the remaining silk of recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910757790.0A CN110509541A (en) | 2019-08-16 | 2019-08-16 | A kind of 3D printer silk transmission mechanism and its into silk method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730859A (en) * | 2020-07-06 | 2020-10-02 | 哈尔滨坤程科技有限公司 | Continuous carbon fiber 3D printer |
| CN114043723A (en) * | 2021-11-11 | 2022-02-15 | 深圳拓竹科技有限公司 | A line material buffer and 3D printer for 3D printer |
| WO2022042292A1 (en) * | 2020-08-24 | 2022-03-03 | 深圳市纵维立方科技有限公司 | Three-dimensional printer and control method |
| US20220118711A1 (en) * | 2020-10-20 | 2022-04-21 | Seiko Epson Corporation | Three-Dimensional Shaping Device And Method For Manufacturing Three-Dimensional Shaped Object |
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2019
- 2019-08-16 CN CN201910757790.0A patent/CN110509541A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730859A (en) * | 2020-07-06 | 2020-10-02 | 哈尔滨坤程科技有限公司 | Continuous carbon fiber 3D printer |
| CN111730859B (en) * | 2020-07-06 | 2022-07-15 | 哈尔滨坤程科技有限公司 | Continuous carbon fiber 3D printer |
| WO2022042292A1 (en) * | 2020-08-24 | 2022-03-03 | 深圳市纵维立方科技有限公司 | Three-dimensional printer and control method |
| US20220118711A1 (en) * | 2020-10-20 | 2022-04-21 | Seiko Epson Corporation | Three-Dimensional Shaping Device And Method For Manufacturing Three-Dimensional Shaped Object |
| CN114043723A (en) * | 2021-11-11 | 2022-02-15 | 深圳拓竹科技有限公司 | A line material buffer and 3D printer for 3D printer |
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