CN107116789A - A kind of many extruder head automatic switching control equipments of FDM3D printer - Google Patents
A kind of many extruder head automatic switching control equipments of FDM3D printer Download PDFInfo
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- CN107116789A CN107116789A CN201710474924.9A CN201710474924A CN107116789A CN 107116789 A CN107116789 A CN 107116789A CN 201710474924 A CN201710474924 A CN 201710474924A CN 107116789 A CN107116789 A CN 107116789A
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- China
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- extruder head
- main body
- switching control
- automatic switching
- fdm
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to 3D printing field, and in particular to a kind of many extruder head automatic switching control equipments of FDM 3D printers, including：Screw extrusion apparatus, rotatable extruder head main body, the components such as multiple extruder heads and magnetic valve, the screw extrusion apparatus is connected with the rotatable extruder head main body, the aperture of the nozzle of the multiple extruder head is different, the multiple extruder head arranged for interval is connected on the periphery of the extruder head main body and with the extruder head main body, so that the multiple extruder head follows the rotation of the extruder head main body to be automatically switched, the extruder head of different pore size specification is integrated in one by the present invention, screw extrusion apparatus and several extruder heads are linked into an integrated entity by swivel joint, it is that extruder head can be achieved to change by rotary motion, extruder head need not be separated with screw extrusion apparatus, improve printing effect, save manpower and change the problem of existing.
Description
Technical field
The present invention relates to 3D printing field, and in particular to a kind of many extruder head automatic switching control equipments of FDM 3D printers.
Background technology
FDM 3D printers are a kind of meltbility increases material manufacturing technologies, are had a extensive future, as technology reaches its maturity, and extensively should
For the field such as mould and casting.FDM printings refer to after the meltbility melt material such as resin, are extruded by screw extrusion apparatus,
Print the profile of product.Current FDM 3D printers can not change extruder head automatically generally using single extruder head with process,
The strip resin of fixed thickness can only be extruded, it is impossible to change with product cross section size and change, small bore is printed using gross porosity footpath
Duplicate printing and product defects are caused, heavy in section adds the printer number of strokes using fine pore printing, not only reduces and beat
Print efficiency, and increase printer operating cost.Application No. CN201610075151.2 patent document discloses a kind of fortune
For the more changing device of FDM3D printer extruder head, it is fixedly installed extruder head in the X-axis framework of FDM3D printer and changes branch
Frame, is sequentially arranged in the extruder head of different size in the claw standing groove for changing support level face；When printer needs to change
During extruder head, extrusion axle is moved to extruder head along Y-direction and changed at support, and moves down replacing extruder head, solves in theory
Extruder head of having determined changes problem automatically, saves manpower participation；But because extrusion device has high pressure, extruder head is changed automatically, is squeezed
Go out device and extruder head connects difficulty automatically, and mobile X-axis, Y-axis and extrusion axle could be realized to add and change extruder head
Time, especially print complex structure product and need to move repeatedly each axle and go to change extruder head, reduce printing effect.How to design
A kind of device that can switch the printing of thickness aperture efficiently and at any time turns into the technical problem of this area urgent need to resolve.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of many extruder head automatic switching control equipments of FDM 3D printers,
The extruder head of different pore size specification is integrated in one, screw extrusion apparatus and several extruder heads are connected into by swivel joint
One, is that extruder head can be achieved to change by rotary motion, extruder head need not be separated with screw extrusion apparatus, improve printing effect
Rate, saves manpower and changes the problem of existing.
In order to solve the above technical problems, the technical scheme that the present invention takes is：
The present invention proposes a kind of many extruder head automatic switching control equipments of FDM 3D printers, it is characterised in that including：Screw Extrusion
Device, rotatable extruder head main body, multiple extruder heads and magnetic valve, wherein, the screw extrusion apparatus with it is described rotatable
Extruder head main body be connected, the aperture of the nozzle of the multiple extruder head is different, and the multiple extruder head arranged for interval is in institute
State on the periphery of extruder head main body and be connected with the extruder head main body so that the multiple extruder head follows the extrusion
The rotation of head main body is automatically switched, and the magnetic valve is located at the rear end of each extruder head, for controlling the extrusion
The break-make of head.
Further, the nozzle of the multiple extruder head is extended out on same circumference, to avoid hindering printed product.
Further, in addition to：Printer extrusion axle framework, servomotor, gear assembly, swivel joint and L-type elbow,
Wherein, the screw extrusion apparatus, L-type elbow, swivel joint and the extruder head main body are sequentially connected logical, the gear assembly
It is arranged on the outer wall of the swivel joint and is engaged with the servomotor, the servomotor is squeezed positioned at the printer
On shaft framework, for driving the swivel joint to drive the extruder head main body rotation.
Further, in addition to：Support frame, side cover, side cover axle and the bearing for supporting the side cover axle.
Further, the side cover is arranged in the extruder head main body, and the side cover axle is connected with the side cover, described
One end of support frame is connected with the side cover axle, and the other end is secured by bolts on the printer extrusion axle framework, is used for
Many extruder head automatic switching control equipments are avoided vacantly to deform.
Further, the gear assembly includes：Free gear and key, the free gear are installed on the rotation with key
It is engaged on the outer wall of joint and with the gear installed on servomotor.
Further, the vertical end of the L-type elbow and the screw rod being arranged on the printer extrusion axle framework
Extrusion device is connected, and its horizontal ends is connected with the swivel joint.
Further, the rotatable extruder head main body is cylinder, and its left plane and right plane are vertically set
Put, the periphery is laterally set.
Further, the vertical end of the L-type elbow is threadedly coupled with the screw extrusion apparatus, its horizontal ends with it is described
Swivel joint is threadedly coupled.
Further, the servomotor is secured by bolts on the printer extrusion axle framework.
The present invention at least includes following beneficial effect：
1）The many extruder head automatic switching control equipments of FDM 3D printers of the present invention realize the automatic of different pore size specification extruder head
Change, extrusion resin strip thickness flexibly changes extruder head according to needed for printed product section, solves caused by single extruder head
Product defects and the low problem of printing effect；
2）The present invention realizes that extruder head is cut automatically without other axles of mobile printer by rotating cylindrical extruder head main body original place
Change, greatly reduce lathe run time, improve product printing effect；
3）The present invention is rigidly connected integrally in all accessories in swivel joint two ends, can bear HTHP and No leakage, without
Frequent manpower changes extruder head；Drive rotating cylindrical extruder head main body to rotate by servomotor, can flexibly be accurately positioned extrusion
The position of head, the extruder head of working position remains original state；Magnetic valve opens and closes extruder head, and operability and controllability are carried significantly
Height, this device realizes full intelligent control also provided with PLC.
Brief description of the drawings
Fig. 1 is the structural representation of many extruder head automatic switching control equipments of the invention.
Fig. 2 is the distributed architecture schematic diagram of extruder head of the present invention.
Wherein, printer extrusion axle framework 1, screw extrusion apparatus 2, bolt 3, servomotor 4, support frame 5, extruder head 6,
Nozzle 601, magnetic valve 7, side cover 8, side cover axle 801, bearing 9, extruder head main body 10, free gear 11, key 12, swivel joint
13, L-type elbow 14.
Embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.The embodiments described below is exemplary, is only used for explaining the present invention, without being understood that
For limitation of the present invention.Unreceipted particular technique or condition in embodiment, according to the skill described by document in the art
Art or condition are carried out according to product description.
The present invention proposes a kind of many extruder head automatic switching control equipments of FDM 3D printers, embodiments in accordance with the present invention,
Fig. 1 is the structural representation of many extruder head automatic switching control equipments of the invention, including：Printer extrusion axle framework 1, Screw Extrusion dress
Put 2, bolt 3, servomotor 4, support frame 5, multiple extruder heads 6, nozzle 601, magnetic valve 7, side cover 8, side cover axle 801, bearing
9, rotatable extruder head main body 10, free gear 11, key 12, swivel joint 13 and L-type elbow 14.
Embodiments in accordance with the present invention, shown in reference picture 1, the screw extrusion apparatus 2 is vertically fixed on described
On printer extrusion axle framework 1, its discharge end is connected with the vertical end screw thread of the L-type elbow 14, the water of the L-type elbow
Flush end is connected with the threaded one end of the swivel joint 13, the other end of the swivel joint and the cylindrical extruder head master
The left plane screw thread of body 10 is connected, and the right plane of the cylindrical extruder head main body is provided with the side cover 8, is closed, and
It is easy to open the inner case that side cover checks the cylindrical extruder head main body, is easy to maintenance；The bearing 9 is used to support described
Side cover axle 901, the side cover axle is connected with the side cover, and one end of support frame as described above 5 is connected with the side cover axle, and the other end leads to
Cross bolt to be fixed on the printer extrusion axle framework 1, for avoiding many extruder head automatic switching control equipments of the present invention
Hanging deformation, it is further fixed.
Embodiments in accordance with the present invention, shown in reference picture 1, gear assembly of the present invention includes：Free gear 11 and key
12, bearing can be also provided between the free gear and the swivel joint, for supporting the free gear, the key 12
On the free gear, the free gear is installed on the outer wall of the swivel joint and and servomotor with the key
The gear of upper installation is engaged, and is driven by the servomotor；The servomotor is secured by bolts in the printer and squeezed
On shaft framework, for driving the swivel joint and then driving the extruder head main body rotation, the automatic of many extruder heads is realized
Switching.
Embodiments in accordance with the present invention, Fig. 2 is the distributed architecture schematic diagram of extruder head of the present invention, referring to Figures 1 and 2 institute
Show, the aperture of the nozzle 601 of the multiple extruder head 6 is different, the extrusion resin strip thickness spirit according to needed for printed product section
It is living to change extruder head, solve the low problem of product defects and printing effect caused by single extruder head；Between the multiple extruder head
Every being equably arranged on the periphery of the extruder head main body and be connected with the extruder head main body so that the multiple to squeeze
Lift one's head and follow the rotation of the extruder head main body to be automatically switched, the nozzle of the multiple extruder head extends out to same circle
Zhou Shang, for avoiding hindering printed product；The magnetic valve is located at the rear end of each extruder head, for controlling the extrusion
The break-make of head；Apart from stamp pad it is closest or vertically downward when extruder head, opened by solenoid valve control, make extruder head
It is connected with the extruder head main body, is at working position state, remaining extruder head is closed by solenoid valve control, makes to squeeze
Lift one's head and disconnected with the extruder head main body, be in standby position state.
According to some embodiments of the present invention, magnetic valve 7 of the present invention be high temperature high voltage solenoid valve, it is of the present invention can
The left plane and right plane of the extruder head main body 10 of rotation are vertically set, and the periphery is laterally set, and makes the work
The extruder head for making position is located at the top of stamp pad.
According to another embodiment of the present invention, the present invention may also include electric control system, specifically can for PLC or its
His programming Control system, it is unrestricted, by the control system, realize to many extruder heads of FDM 3D printers of the present invention from
The fully automated intelligent control of dynamic switching device.
According to some embodiments of the present invention, the work of many extruder head automatic switching control equipments of FDM 3D printers of the present invention
It is as process：Screw extrusion apparatus is resin melting by Screw Extrusion, and molten resin passes sequentially through elbow inner chamber, swivel joint
Inner chamber, cylinder extruder head body lumen flow to each extruder head；The solenoid valve conduction of extruder head rear end of the control in working position, melts
Melt resin is extruded from the extruder head and printed by this magnetic valve；Remaining is in standby position；When the extruder head in the aperture makes
With finishing, when next step needs to use the extruder head of different pore size nozzle of standby position, allow servomotor to be powered, drive rotation to connect
Head and cylinder extruder head main body are rotated, and when satisfactory extruder head reaches working position, equally control the extruder head rear end
Solenoid valve conduction, molten resin extrudes from the extruder head；Similarly, rotating cylindrical extruder head main body, you can by different pore size
The extruder head of specification is from standby to be switched to working position, and extrusion resin strip thickness is flexibly changed according to needed for printed product section
Extruder head.
Inventor has found, according to many extruder head automatic switching control equipments of FDM 3D printers of the present invention, realizes different
The automatic replacing of aperture specification extruder head, extrusion resin strip thickness flexibly changes extruder head according to needed for printed product section,
Solve the low problem of product defects and printing effect caused by single extruder head；Meanwhile, the present invention without mobile printer other
Axle, realizes that extruder head automatically switches by rotating cylindrical extruder head main body original place, greatly reduces lathe run time, improve production
Product printing effect；In addition, the present invention is rigidly connected integrally in all accessories in swivel joint two ends, HTHP can be born and had no
Leakage, extruder head is changed without frequent manpower；Rotating cylindrical extruder head main body is driven to rotate by servomotor, can be flexibly accurate
The position of extruder head is positioned, the extruder head of working position remains original state；Magnetic valve opens and closes extruder head, operational and controllable
Property is greatly improved, and this device realizes full intelligent control also provided with PLC.
In the present invention, unless otherwise clearly defined and limited, the term such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can be mechanical connection or electricity
Connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or two
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification, simultaneously for those of ordinary skill in the art, the think of according to the application
Think, will change in specific embodiments and applications.
Claims (10)
1. a kind of many extruder head automatic switching control equipments of FDM 3D printers, it is characterised in that including：Screw extrusion apparatus, it can revolve
Extruder head main body, multiple extruder heads and the magnetic valve turned, wherein,
The screw extrusion apparatus is connected with the rotatable extruder head main body, the aperture of the nozzle of the multiple extruder head
Difference, the multiple extruder head arranged for interval is connected on the periphery of the extruder head main body and with the extruder head main body
Logical so that the multiple extruder head follows the rotation of the extruder head main body to be automatically switched, the magnetic valve is located at each
The rear end of the extruder head, the break-make for controlling the extruder head.
2. many extruder head automatic switching control equipments of FDM 3D printers according to claim 1, it is characterised in that the multiple
The nozzle of extruder head is extended out on same circumference, to avoid hindering printed product.
3. many extruder head automatic switching control equipments of FDM 3D printers according to claim 1, it is characterised in that also include：
Printer extrusion axle framework, servomotor, gear assembly, swivel joint and L-type elbow, wherein, the screw extrusion apparatus, L
Type elbow, swivel joint and the extruder head main body are sequentially connected logical, and the gear assembly is arranged at the outer of the swivel joint
It is engaged on wall and with the servomotor, the servomotor is located on the printer extrusion axle framework, for driving
State swivel joint and drive the extruder head main body rotation.
4. many extruder head automatic switching control equipments of FDM 3D printers according to claim 1, it is characterised in that also include：
Support frame, side cover, side cover axle and the bearing for supporting the side cover axle.
5. many extruder head automatic switching control equipments of FDM 3D printers according to claim 4, it is characterised in that the side cover
It is arranged in the extruder head main body, the side cover axle is connected with the side cover, one end of support frame as described above and the side cover axle
It is connected, the other end is secured by bolts on the printer extrusion axle framework, for avoiding many extruder head automatic switching control equipments
Hanging deformation.
6. many extruder head automatic switching control equipments of FDM 3D printers according to claim 3, it is characterised in that the gear
Component includes：Free gear and key, the free gear are installed on the outer wall of the swivel joint and and servomotor with key
The gear of upper installation is engaged.
7. many extruder head automatic switching control equipments of FDM 3D printers according to claim 3, it is characterised in that the L-type
The vertical end of elbow is connected with the screw extrusion apparatus being arranged on the printer extrusion axle framework, its horizontal ends with
The swivel joint is connected.
8. many extruder head automatic switching control equipments of FDM 3D printers according to claim 1, it is characterised in that described to revolve
The extruder head main body turned is cylinder, and its left plane and right plane are vertically set, and the periphery is laterally set.
9. many extruder head automatic switching control equipments of FDM 3D printers according to claim 7, it is characterised in that the L-type
The vertical end of elbow is threadedly coupled with the screw extrusion apparatus, and its horizontal ends is threadedly coupled with the swivel joint.
10. many extruder head automatic switching control equipments of FDM 3D printers according to claim 3, it is characterised in that described to watch
Motor is taken to be secured by bolts on the printer extrusion axle framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474924.9A CN107116789A (en) | 2017-06-21 | 2017-06-21 | A kind of many extruder head automatic switching control equipments of FDM3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710474924.9A CN107116789A (en) | 2017-06-21 | 2017-06-21 | A kind of many extruder head automatic switching control equipments of FDM3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107116789A true CN107116789A (en) | 2017-09-01 |
Family
ID=59718540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710474924.9A Pending CN107116789A (en) | 2017-06-21 | 2017-06-21 | A kind of many extruder head automatic switching control equipments of FDM3D printer |
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| CN (1) | CN107116789A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774578A (en) * | 2018-07-12 | 2020-02-11 | 精工爱普生株式会社 | Three-dimensional modeling device and method for manufacturing three-dimensional modeled object |
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| CN204526175U (en) * | 2015-03-09 | 2015-08-05 | 广东工业大学 | A kind of multiinjector 3D printer head |
| CN204842080U (en) * | 2015-07-22 | 2015-12-09 | 杭州云博科技有限公司 | Multi -functional shower nozzle of convertible nozzle |
| KR20160024452A (en) * | 2014-08-26 | 2016-03-07 | 차기룡 | 3D printer having multi-nozzle of different diameter |
| CN105711094A (en) * | 2016-03-15 | 2016-06-29 | 东华大学 | Three-dimensional printing method |
| CN205767565U (en) * | 2016-07-04 | 2016-12-07 | 吉林省夏唯自动化工程有限公司 | A kind of 3D printer head of rotatable switching |
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2017
- 2017-06-21 CN CN201710474924.9A patent/CN107116789A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160024452A (en) * | 2014-08-26 | 2016-03-07 | 차기룡 | 3D printer having multi-nozzle of different diameter |
| CN204526175U (en) * | 2015-03-09 | 2015-08-05 | 广东工业大学 | A kind of multiinjector 3D printer head |
| CN204842080U (en) * | 2015-07-22 | 2015-12-09 | 杭州云博科技有限公司 | Multi -functional shower nozzle of convertible nozzle |
| CN105711094A (en) * | 2016-03-15 | 2016-06-29 | 东华大学 | Three-dimensional printing method |
| CN205767565U (en) * | 2016-07-04 | 2016-12-07 | 吉林省夏唯自动化工程有限公司 | A kind of 3D printer head of rotatable switching |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774578A (en) * | 2018-07-12 | 2020-02-11 | 精工爱普生株式会社 | Three-dimensional modeling device and method for manufacturing three-dimensional modeled object |
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Application publication date: 20170901 |
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