CN206678400U - A kind of extrusion device for fusion sediment quick molding method - Google Patents
A kind of extrusion device for fusion sediment quick molding method Download PDFInfo
- Publication number
- CN206678400U CN206678400U CN201720418880.3U CN201720418880U CN206678400U CN 206678400 U CN206678400 U CN 206678400U CN 201720418880 U CN201720418880 U CN 201720418880U CN 206678400 U CN206678400 U CN 206678400U
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- rotating disk
- runner seat
- extrusion
- fusion sediment
- flow path
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Abstract
The utility model discloses a kind of extrusion device for fusion sediment quick shaping process, and it includes melting extrusion mechanism, orientation mechanism and extrusion nozzle, and melting extrusion mechanism is positioned at the top of orientation mechanism, and extrusion nozzle is positioned at the lower section of orientation mechanism.The tumbler of shear force can be applied to melt in arced flow path due to being provided with orientation mechanism, so that the fiber in melt can be produced orientation when being orientated and being flowed in mechanism by shearing, so as to effectively avoid fiber from occurring clogging at nozzle, and the fiber in printed product is caused to produce ordered arrangement.Heating plate is set in addition in mechanism is orientated, and arced flow path is arranged to structure wide at the top and narrow at the bottom, the fiber in melt can be made preferably to produce orientation, realize the purpose of this utility model.In addition, the utility model also has the advantages of simple in construction, easy to operate.
Description
Technical field
A kind of processing unit (plant) is the utility model is related to, more particularly, to a kind of squeezing for fusion sediment quick shaping process
Go out device.
Background technology
Fusion sediment rapid shaping (FDM) technology, it is a kind of based on mathematical model file, passes through successively with material
The mode of printing carrys out the technology of constructed object.In Aero-Space, mold design, machine components processing, automobile, medicine etc.
It is used widely in field.But traditional printed material is plastics based on additive modification mostly, the product strength printed
It is low, limit it and further develop.Therefore, technical staff adds fibre reinforced materials when preparing printed material, but use
The product of this file printing, its internal machine direction is disorderly and unsystematic, causes the intensity raising of product limited, and use this
Kind printed material, easily causes spray nozzle clogging.
Chinese patent CN101774267A discloses a kind of extrusion neck ring mold for utilizing and being orientated device control filler orientation, and it is flowing
Obstacle is set in road, on the one hand can form arced flow path, another aspect obstacle can make fluid bifurcated form two both ends
Converging middle separated flowing shearing field makes filler realize orientation.But the patent is due to being to set obstacle to form fluid bifurcated
Middle separated runner is converged at two both ends, therefore the radian of designed arced flow path is limited so that and degree of orientation is low, and
Once this method would become hard to clear up when the higher blocking of filer content.
The content of the invention
The technical problem that the utility model solves is to provide a kind of extrusion for fusion sediment quick molding method and filled
Put.
In order to solve the above technical problems, the utility model uses following technical scheme：Sprayed in melting extrusion mechanism and extrusion
Orientation mechanism is set between mouth, fiber in melt is first orientated, so as to realize mesh of the present utility model before extrusion
's.
The extrusion device for fusion sediment quick shaping process that the utility model is related to, it is characterised in that：Also include
Mechanism is orientated, it includes runner seat and shearing rotating disk, and runner seat is provided with inner chamber, and shearing rotating disk is cylindrical structure, with rotatable
Mode is placed in the inner chamber of runner seat, and runner seat inner chamber forms arced flow path, and it is exposed to shear at least one end of rotating disk, any outer
Dew end is connected with external motor；Runner seat top is provided with the import communicated with arced flow path, and it goes out with melting extrusion mechanism
Mouth communicates, and bottom is provided with the outlet communicated with arced flow path, and it is communicated with the import of extrusion nozzle.
A kind of extrusion device for fusion sediment quick shaping process that the utility model is related to, including melt extruder
Structure and extrusion nozzle, it is characterised in that：The orientation mechanism also includes heating plate, and it is arc sheetmetal, is positioned over runner seat
Cavity in, and shearing rotating disk relative side sets through hole on the runner seat wall of the side, wire one end by through hole with plus
Hot plate is connected, and one end is connected with extraneous power supply；Runner seat inner chamber, arced flow path is left between heating plate and shearing rotating disk.
The extrusion device for fusion sediment quick shaping process that the utility model is related to, it is characterised in that：The institute
It is uniform thickness structure or upper-thin-lower-thick structure to state heating plate.
The extrusion device for fusion sediment quick shaping process that the utility model is related to, it is characterised in that：Runner seat
The arced flow path that inner chamber is formed, it is constricted arc structure wide at the top and narrow at the bottom in the section of shearing rotating disk in the radial direction.
The extrusion device for fusion sediment quick shaping process that the utility model is related to, it is characterised in that：The stream
The side cavity cross section that road seat places heating plate is circular configuration；The shearing rotating disk, it is made up of three sections of coaxial cylinders, two
The external diameter of end cylinder is less than mediate cylindrical.
The extrusion device for fusion sediment quick shaping process that the utility model is related to, due in melting extrusion mechanism
Orientation mechanism is provided between extrusion nozzle, its internal is provided with can apply shear force to melt in arced flow path
Tumbler so that the fiber in melt can be produced orientation when being orientated and being flowed in mechanism by shearing, so as to effectively avoid
There is clogging at nozzle in fiber, and causes the fiber in printed product to produce ordered arrangement.It is another in mechanism is orientated
Outer setting heating plate, and arced flow path is arranged to structure wide at the top and narrow at the bottom, the fiber in melt can be made preferably to produce orientation,
Realize the purpose of this utility model.In addition, the utility model also has the advantages of simple in construction, easy to operate.
Brief description of the drawings
What Fig. 1 was represented is the structural representation for the extrusion device that the utility model is used for fusion sediment quick molding method.
What Fig. 2 was represented is the sectional view for being orientated mechanism;
What Fig. 3 was represented is the front view of any half structure of runner seat；
What Fig. 4 was represented is the structural representation of runner seat.
Wherein, 1-melting extrusion mechanism, 2-orientation mechanism, 3-extrusion nozzle, 4-buncher, 5-wire, 6-
Runner seat, 7-shearing rotating disk, 8-heating plate, 9-through hole.
Embodiment
Tool is described in further detail by embodiment to the utility model below, but should not be interpreted as this
The scope of the utility model is only limitted to following instance.In the case where not departing from the utility model above method thought, according to this
The various replacements or change that field ordinary technical knowledge and customary means are made, should be included in the scope of the utility model.
Embodiment one
As shown in figure 1, the extrusion device of the present utility model for fusion sediment rapid shaping, including melting extrusion mechanism
1st, mechanism 2, extrusion nozzle 3 and buncher 4 are orientated.
Melting extrusion mechanism 1, i.e. small-sized screw extruder.
Mechanism 2, including runner seat 6, shearing rotating disk 7 and heating plate 8 are orientated, as shown in Figure 2.
Runner seat 6 is made up of left and right two halves, and each half through-thickness all since contact surface is slotted, as shown in figure 3, its
In, the section of a groove is arcuate structure, the left side groove in Fig. 2, and the section of another groove is semicircular structure, diameter 10cm,
Right side groove in Fig. 2；The monnolithic case structure of runner seat 6 is as shown in figure 4, by the rectangular parallelepiped structure of upper end and the chamfered edge platform of lower end
Structure composition, the groove of left and right two halves form its internal cavities, and top is provided with the circular import being connected with internal cavities, and bottom is set
The round exit being connected with internal cavities is equipped with, on the length direction of rectangular parallelepiped structure, two opposite flanks are respectively arranged with
It is left that the central axis of the coaxial aperture being connected with internal cavities, aperture 2cm, circle inlet and outlet and coaxial aperture is located at runner seat 6
On the contact surface of right two halves.The half side of arc section groove is being provided with, is opening diameter 0.2cm through hole 9, it connects groove with extraneous
It is logical.
Shearing rotating disk 7 is made up of three sections of coaxial cylinders, wherein, the cylinder external diameter 10cm positioned at centre, positioned at two
The cylinder external diameter 2cm at end.
Heating plate 8 is uniform thickness arc aluminum plate.
With bonding mode fixed placement in the internal cavities of runner seat 6, arc section groove, contact surface is bonded heating plate 8；Lead
The one end of line 5 is connected with external power source, and the other end is connected by through hole 9 with heating plate 8, as shown in Figure 2.Shearing rotating disk 7 is positioned over
The internal cavities of runner seat 6, the thin cylinder at its both ends stretch out from the coaxial aperture of the opposite flank of runner seat 6 respectively.
Orientation mechanism 2 after being completed is internally formed constricted arc runner, its section in shearing rotating disk 7 in the radial direction
Face is constricted arc structure wide at the top and narrow at the bottom.The exposed parts of the selection shearing thin cylinder in the one end of rotating disk 7 are connected with buncher, borrow
It is helped to realize the control to shearing the rotating speed of rotating disk 7.
Melting extrusion mechanism 1 is arranged on the top of orientation mechanism 2, and its discharging opening is connected with the import on the top of runner seat 6.Squeeze
Delivery nozzle 3 is arranged on the lower section of orientation mechanism 2, and the outlet with runner seat 6 is connected.
During work, startup power supply first heats to heating plate 8, after 5 minutes, starts by buncher, make shearing
Rotating disk 7 is rotated, i.e. counter clockwise direction in Fig. 2 with 30r/min speed along flow direction of the melt in runner seat 6；Then
Start melting extrusion mechanism 1, fibrous silk material is entered with melt form in the runner seat 6 of orientation mechanism 2, melt is in arc
When being flowed in contracted channel, shearing force can be produced because being streamed along shearing rotating disk 7, the rotation of shearing rotating disk 7 can also produce to melt
Raw shearing force, in addition, because runner is wide at the top and narrow at the bottom, can equally shearing force be produced to melt, these three shearing forces cause in melt
Fiber can produce the effect of streamwise orientation.
Embodiment two
It is with the difference of embodiment one, form the fluting in two half parts of runner seat 6, its section is all circular knot
Structure, small one and large one, and the center of circle overlaps.
Heating plate 8, it is arc iron plate, upper-thin-lower-thick, outside is circular configuration.
Heating plate 8 is with welding manner fixed placement in the internal cavities of runner seat 6, the larger side of section circle external diameter, contact
Face is bonded.
Embodiment three
It is with the difference of embodiment one, form the fluting in two half parts of runner seat 6, its section is all circular knot
Structure, small one and large one, the great circle center of circle is located at the vertical direction in the roundlet center of circle.
Heating plate 8, it is arc iron plate, upper-thin-lower-thick, outside is circular configuration.
Heating plate 8 is with welding manner fixed placement in the internal cavities of runner seat 6, the larger side of section circle external diameter, contact
Face is bonded.
Claims (5)
1. a kind of extrusion device for fusion sediment quick shaping process, including melting extrusion mechanism and extrusion nozzle, it is special
Sign is：Also include orientation mechanism（2）, it includes runner seat（6）With shearing rotating disk（7）, runner seat（6）Provided with inner chamber, shearing
Rotating disk（7）For cylindrical structure, runner seat is placed in a rotatable manner（6）Inner chamber in, runner seat（6）Inner chamber forms arc
Runner, shear rotating disk（7）At least one end it is exposed, any exposed junction is connected with external motor；Runner seat（6）Top be provided with
The import that arced flow path communicates, itself and melting extrusion mechanism（1）Outlet communicate, bottom is provided with going out of being communicated with arced flow path
Mouthful, itself and extrusion nozzle（3）Import communicate.
2. the extrusion device according to claim 1 for fusion sediment quick shaping process, it is characterised in that：It is described to take
To mechanism（2）Also include heating plate（8）, it is arc sheetmetal, is positioned over runner seat（6）Cavity in, with shear rotating disk（7）
Relative side, the runner seat of the side（6）Through hole is set on wall（9）, wire（5）One end passes through through hole（9）With heating plate（8）
It is connected, one end is connected with extraneous power supply；Runner seat（6）Inner chamber, heating plate（8）With shearing rotating disk（7）Between leave arced flow path.
3. the extrusion device according to claim 2 for fusion sediment quick shaping process, it is characterised in that：It is described to add
Hot plate（8）For uniform thickness structure or upper-thin-lower-thick structure.
4. the extrusion device for fusion sediment quick shaping process according to any one of claims 1 to 3, its feature exist
In：Runner seat（6）The arced flow path that inner chamber is formed, in shearing rotating disk（7）Section in the radial direction is arc wide at the top and narrow at the bottom
Contraction structure.
5. the extrusion device according to claim 1 for fusion sediment quick shaping process, it is characterised in that：It is described to cut
Cut rotating disk（7）, it is made up of three sections of coaxial cylinders, the external diameter of both ends cylinder is less than mediate cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418880.3U CN206678400U (en) | 2017-04-20 | 2017-04-20 | A kind of extrusion device for fusion sediment quick molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418880.3U CN206678400U (en) | 2017-04-20 | 2017-04-20 | A kind of extrusion device for fusion sediment quick molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206678400U true CN206678400U (en) | 2017-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720418880.3U Active CN206678400U (en) | 2017-04-20 | 2017-04-20 | A kind of extrusion device for fusion sediment quick molding method |
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| Country | Link |
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| CN (1) | CN206678400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179500A1 (en) * | 2018-03-22 | 2019-09-26 | 北京化工大学 | Processing device and method based on 3d printing technology |
| CN112621981A (en) * | 2020-12-14 | 2021-04-09 | 浙江理工大学 | Novel high-efficient printer head that beats |
-
2017
- 2017-04-20 CN CN201720418880.3U patent/CN206678400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179500A1 (en) * | 2018-03-22 | 2019-09-26 | 北京化工大学 | Processing device and method based on 3d printing technology |
| CN112621981A (en) * | 2020-12-14 | 2021-04-09 | 浙江理工大学 | Novel high-efficient printer head that beats |
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