CN206568525U - A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism - Google Patents
A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism Download PDFInfo
- Publication number
- CN206568525U CN206568525U CN201621260380.3U CN201621260380U CN206568525U CN 206568525 U CN206568525 U CN 206568525U CN 201621260380 U CN201621260380 U CN 201621260380U CN 206568525 U CN206568525 U CN 206568525U
- Authority
- CN
- China
- Prior art keywords
- die
- runner
- nozzle
- die holder
- rapid shaping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height, die holder, die body and nozzle including order coaxial connection, and the center of die holder, die body and nozzle is axially respectively arranged with die holder runner, die body runner, the nozzle flow channel flowed through for plastic melt；The plastic melt being additionally provided with die holder runner in flow dividing structure, die holder runner is flowed into die body runner after being shunted via flow dividing structure；The plastic melt being provided with die body runner in screen pack, die body runner flows through screen pack and entered in nozzle, and plastic melt is finally extruded from the mouth of nozzle.The utility model additionally provides a kind of rapid shaping extrusion mechanism, including above-described rapid shaping extrusion die.The utility model solves material in melting extrusion forming process, the problems such as mechanical properties decrease is serious, carbon fibre reinforced plastic homogenizing degree is not enough, heating-up temperature does not reach requirement at high temperature because of its own characteristic.
Description
Technical field
The utility model is related to plastics machinery manufacturing technology field, and in particular to a kind of glutinous thermoplastic of fibre reinforced high temperature height
Property plastics rapid shaping extrusion die and extrusion molding mechanism.
Background technology
At present, the 3D printing material of carbon fibre reinforced thermoplastics with more preferable intensity, rigidity and heat resistance because getting over
To be more taken seriously, market has been moved towards for the fibre reinforced 3D printing material of the low melting point low-viscosity plastics such as PLA, ABS, this
Class reinforcing material carries out 3D printing shaping by melting extrusion molding technology thereof, is mainly directed towards commercial market.
Although carbon fibre reinforced composite has many excellent characteristics, different carbon fiber-reinforced resin application necks
Domain has certain limitation, the reinforced resin of carbon fibre composite is used as using resins such as PLA, ABS, although in mechanical property
Increase, but be restricted for continuing performance under high/low temperature, radiation environment and high temperature in performance, particularly with sky
Between environment, it is necessary to the good thermoplastic resin sill of good resistant of high or low temperature, heat endurance, creep resistance, such as short carbon fiber
Reinforced polyether ether ketone polymer matrix composites, it is wide because with excellent endurance, crocking resistance and excellent mechanical characteristic
It is general to apply in aerospace field.The resinoid base often has very high fusing point and viscosity, must be using adaptable shaping work
Skill and equipment, it is tight that existing extrusion die can not solve mechanical properties decrease under melting extrusion shaping common material high temperature used
The problems such as weight, carbon fibre reinforced plastic homogenizing degree are not enough, heating-up temperature does not reach requirement.
Utility model content
The problem of for being proposed in background technology, the utility model provides a kind of glutinous thermoplasticity of fibre reinforced high temperature height
Plastics rapid shaping extrusion die, includes die holder, die body and the nozzle of order coaxial connection, and the die holder, die body and nozzle
Center axially arranged have die holder runner, die body runner, the nozzle flow channel flowed through for plastic melt respectively；The die holder runner
The plastic melt being inside additionally provided with flow dividing structure, die holder runner flows into the die body runner after being shunted via the flow dividing structure
It is interior；The plastic melt being provided with the die body runner in screen pack, die body runner flows through the screen pack and enters the spray
In mouth, plastic melt is finally extruded from the mouth of the nozzle.
It is preferred that the upper end of the flow dividing structure is located in die holder runner, lower end is located at die holder runner and die body runner
Boundary；The upper end of the flow dividing structure is in a cone structure, and the lower end of the flow dividing structure is in a hemispherical configuration, the ball
Multiple through holes, the through hole connection die holder runner and die body runner are evenly equipped with shape structure circumference.
It is preferred that being provided with Electrothermal ring on the circle of outside one of the die holder.
It is preferred that the die holder is provided with towards being provided with a mounting hole, the mounting hole on one end of the nozzle
Thermocouple.
It is preferred that the thermocouple is connected with a PID controller, the PID controller is also connected with the Electrothermal ring.
It is preferred that the nozzle is threadedly coupled with the die body.
It is preferred that rapid shaping extrusion die is made of DC53 mould steel.
The utility model additionally provides a kind of rapid shaping extrusion mechanism, including above-described rapid shaping extrusion mould
Head.
It is preferred that also include barrel and screw rod, the connection of the barrel and the die holder, and internal connection；The spiral shell
Bar is arranged in the barrel, and the screw rod is used to promote plastic melt to flow into the runner of the die holder.
The utility model is allowed to compared with prior art, have the following advantages that and accumulate due to using above technical scheme
Pole effect：
(1) in the utility model, by the setting of flow dividing structure and screen pack, to by screw rod promote it is inabundant
Homogenizing plastic melt is shunted to be homogenized again, prevents plastics from causing spray nozzle clogging in plasticizing inequality before, it is ensured that plastic melt
Smooth extrusion and the quality of wire vent；
(2) in the utility model, by the setting of Electrothermal ring, thermocouple and PID controller, the moment meets Gao Rong
The melting requirement of point thermoplastic, can make heating-up temperature stable in target temperature using pid control mode；
(3) in the utility model, rapid shaping extrusion die is made of DC53 mould steel, can be very with high tenacity
It is good to solve melting extrusion shaping common material shower nozzle used mechanical properties decrease is serious at high temperature, easy fragmentation shortcoming.
Brief description of the drawings
With reference to accompanying drawing, by hereafter state detailed description, above-mentioned and other spy of the present utility model can be more clearly understood that
Seek peace advantage, wherein：
Fig. 1 is the rapid shaping extrusion die schematic diagram that the utility model is provided；
Fig. 2 is that the rapid shaping extrusion die that the utility model is provided installs separation schematic diagram；
Fig. 3 is the rapid shaping extrusion mechanism schematic diagram that the utility model is provided.
Embodiment
Referring to the accompanying drawing for showing the utility model embodiment, the utility model is described in more detail.However, this reality
It can in many different forms be realized with new, and should not be construed as being limited by the embodiment herein proposed.On the contrary, proposing
These embodiments be in order to reach fully and complete disclosure, and make those skilled in the art understand completely this practicality newly
The scope of type.In these accompanying drawings, for clarity, the size and relative size in layer and region may be exaggerated.
The utility model provides a kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and squeezed
Go out shaping mechanism, the wherein glutinous thermoplastic of fibre reinforced high temperature height, concretely CF/PEEK, CF/TPI etc. are widely used in
The special engineering plastics of space industry, the type material melting point is high, requires high to mode of heating and heating-up temperature, and due to material
Melting viscosity is big, by needing higher extrusion pressure during tiny nozzle.The utility model can solve such material molten
During melting extrusion molding, mechanical properties decrease is serious at high temperature because of its own characteristic, carbon fibre reinforced plastic homogenizing degree not
Not the problems such as foot, heating-up temperature do not reach requirement.
Specific embodiment is further described below.
Embodiment 1
Reference picture 1-3, the utility model provides a kind of glutinous thermoplastic rapid shaping of fibre reinforced high temperature height and squeezed
Go out die head, include die holder 5, die body 3 and nozzle 1, die holder 5, die body 3 and the order coaxial connection of nozzle 1.
Specifically, the upper end of die body 3 is injected the lower end of die holder 5 and is attached by screw thread, it is achieved thereby that die holder 5
Connection between lower end and the upper end of die body 3；The upper end of nozzle 1 is injected in the lower end of die body 3 and is attached by screw thread, sprays
The mode being threadedly coupled between mouth 1 and die body 3 can be able to be in order to the nozzle of quick-replaceable different model, the diameter of nozzle
0.3-0.5mm, meets printing shaping of the melting extrusion moulding process to workpiece.
Further, the center of die holder 5 is axially arranged die holder runner, and the center of die body 3 is axially arranged die body
Runner, the center of nozzle 1 is axially arranged nozzle flow channel, and die holder runner, die holder runner, nozzle flow channel are coaxial and are connected,
Plastic melt flows successively through die body runner and nozzle flow channel from die holder runner, is finally extruded from the mouth of the lower end of nozzle 1.
In the present embodiment, the plastic melt being provided with die holder runner in flow dividing structure 6, die holder runner is tied via shunting
Flowed into after structure shunting in die body.Specifically, flow dividing structure 6 is co-axially located in die holder runner, and the lower surface position of flow dividing structure 6
Boundary between die holder runner and die body runner, and flow dividing structure 6 carries out axially position by die body 3；Flow dividing structure 6
Upper end is provided with cone structure 601, and lower end is provided with hemispherical configuration 602, and hemispherical configuration 602 is circumferential to be evenly equipped with multiple through holes
603, through hole 603 is vertically arranged, and the connection die holder runner of through hole 603 and die body runner.Plastic melt in die holder runner is first
Preliminary shunting is carried out by cone structure 601, then is further shunted by through hole 603.Wherein, through hole 603 is set
It can be 3,4 etc. to put number, be not limited herein.
In the present embodiment, screen pack 2 is additionally provided with die body runner, screen pack 2 can be set or be threadedly coupled by card
Mode is horizontally set in die body runner, is not limited herein；Plastic melt in die body runner is flowed through after the filtering of screen pack 2,
Enter back into nozzle 1.
The utility model first melts thermoplastic by the setting of flow dividing structure 6 and screen pack 2 to the high viscosity containing carbon fiber
Property plastics shunted, the plastic melt of shunting prevents plastics from causing nozzle in plasticizing inequality before by the aperture of screen pack 2
Block, while homogenizing to plastic melt, it is ensured that the homogenizing degree of high viscosity plastic melt and go out yarn quality.
In the present embodiment, Electrothermal ring 7 is provided with the circle of outside one of die holder 5, Electrothermal ring 7 is used for rapid shaping
Extrusion die is heated, it is ensured that plastic melt is extruded with suitable temperature from nozzle.Die holder 5 is towards on one end of nozzle 1
It is provided with a mounting hole 501, mounting hole 501 and is provided with thermocouple 4, thermocouple 4 is used for the temperature for sensing plastic melt in real time；
Thermocouple 4 is connected with a PID controller, and PID controller is also connected with Electrothermal ring 7.
The sensing plastic melt temperature, and temperature information is passed into PID controller in real time of thermocouple 4, PID controller according to
The temperature of Real-time Feedback is compared with target temperature, when less than target temperature, PID controller control Electrothermal ring 7
Die head is heated, heating-up temperature can reach 400 DEG C；The melting that Electric heating meets high melt point thermoplastic plastics will
Ask, can make heating-up temperature stable in target temperature using pid control mode.
In the present embodiment, rapid shaping extrusion die is made of DC53 mould steel, and vacuum hardening after modifier treatment is obtained
To high tenacity DC53 die heads；Using DC53 die heads, melting extrusion shaping common material shower nozzle used is can solve in high temperature
Lower mechanical properties decrease is serious, easy fragmentation shortcoming.
Fig. 2 is referred again to, the glutinous thermoplastic rapid shaping of fibre reinforced high temperature height that the utility model is provided is extruded
The installation process of die head, is further described：
Flow dividing structure 6 is inserted in die holder from the lower end of die holder 5, the pivot boss (as shown in fig. 1) of die body upper end can be right
The axially position of flow dividing structure 6, screen pack 2 is inserted in die body 3 from lower end, nozzle one pivot of formation screwed in after nozzle 1, screw-in
Boss (as shown in fig. 1), can be to the axially position of screen pack 2.
Embodiment 2
With reference to Fig. 3, the utility model additionally provides a kind of rapid shaping extrusion mechanism, including fast described in embodiment 1
Rapid-result type extrusion die.
Rapid shaping extrusion mechanism also includes barrel 9 and screw rod 10；The connection of barrel 9 and die holder 5, and connect inside it
It is logical；Some countersunks 502 are evenly equipped with the circumference of die holder 5, between barrel 9 and die holder 5 by countersunk 502 and be equipped with screw realize
Connection；The diameter of barrel 9 is identical with the diameter of die holder 5, and the end of die holder 5 is directly as the connection method between die head and barrel 9
Orchid, this connected mode reduces flange size so that die head is integrally more minimized.
Screw rod 10 is arranged in barrel 9, and screw rod 10 is used to promote plastic melt to flow into the runner of die holder.
Those skilled in the art should be understood that the utility model can be realized without de- with many other concrete forms
From the spirit or scope of itself.Although having been described for case study on implementation of the present utility model, it should be understood that the utility model should not be limited
Be made as these embodiments, spirit of the present utility model that those skilled in the art can define such as appended claims and
Within the scope of make and changing and modifications.
Claims (9)
1. a kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height, it is characterised in that same including order
Die holder, die body and the nozzle of axle connection, and the center of the die holder, die body and nozzle is axially respectively arranged with and supplies plastic melt
Die holder runner, die body runner, the nozzle flow channel flowed through；It is additionally provided with the die holder runner in flow dividing structure, die holder runner
Plastic melt is flowed into the die body runner after being shunted via the flow dividing structure；Screen pack is provided with the die body runner,
Plastic melt in die body runner flows through the screen pack and entered in the nozzle, and plastic melt is finally from the mouth of the nozzle
Extrude in portion.
2. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 1, its feature
It is, the upper end of the flow dividing structure is located in die holder runner, and lower end is located at the boundary of die holder runner and die body runner；It is described
The upper end of flow dividing structure is in a cone structure, and the lower end of the flow dividing structure is in a hemispherical configuration, and the chondritic is circumferential
On be evenly equipped with multiple through holes, the through hole connection die holder runner and die body runner.
3. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 1, its feature
It is, Electrothermal ring is provided with the circle of outside one of the die holder.
4. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 3, its feature
It is, the die holder is provided with thermocouple towards being provided with a mounting hole, the mounting hole on one end of the nozzle.
5. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 4, its feature
It is, the thermocouple is connected with a PID controller, the PID controller is also connected with the Electrothermal ring.
6. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 1, its feature
It is, the nozzle is threadedly coupled with the die body.
7. the glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height according to claim 1, its feature
It is, rapid shaping extrusion die is made of DC53 mould steel.
8. a kind of rapid shaping extrusion mechanism, it is characterised in that including the fast short-term training described in above claim 1-7 any one
Type extrusion die.
9. rapid shaping extrusion mechanism according to claim 8, it is characterised in that also include barrel and screw rod, described
The connection of barrel and the die holder, and internal connection；The screw rod is arranged in the barrel, and the screw rod is used to promote plastics
Melt is flowed into the runner of the die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621260380.3U CN206568525U (en) | 2016-11-21 | 2016-11-21 | A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621260380.3U CN206568525U (en) | 2016-11-21 | 2016-11-21 | A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206568525U true CN206568525U (en) | 2017-10-20 |
Family
ID=60062528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621260380.3U Active CN206568525U (en) | 2016-11-21 | 2016-11-21 | A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206568525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803984A (en) * | 2017-12-05 | 2018-03-16 | 宁夏共享模具有限公司 | A kind of method for preventing runny nose during fused glass pellet |
-
2016
- 2016-11-21 CN CN201621260380.3U patent/CN206568525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803984A (en) * | 2017-12-05 | 2018-03-16 | 宁夏共享模具有限公司 | A kind of method for preventing runny nose during fused glass pellet |
| CN107803984B (en) * | 2017-12-05 | 2023-11-10 | 共享智能装备有限公司 | Method for preventing nasal discharge in fused deposition modeling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106827443A (en) | A kind of short carbon fiber reinforced high temperature glutinous thermoplastic rapid shaping screw extrusion apparatus high | |
| CN105751459B (en) | The Coinjection molding apparatus of spherical rotor | |
| CN108817397B (en) | Additive manufacturing device and method | |
| JPH0651340B2 (en) | Method and apparatus for extrusion blow molding polyethylene terephthalate products | |
| CN206568525U (en) | A kind of glutinous thermoplastic rapid shaping extrusion die of fibre reinforced high temperature height and extrusion molding mechanism | |
| CN106182603A (en) | A kind of injection molding machine injection device | |
| CN206733547U (en) | HDPE double-layer composite pipe extruded moulds | |
| CN205705215U (en) | The outer screw channel formula screw extrusion apparatus of band vibration mandrel | |
| CN105904699A (en) | Outer thread groove type screw extruding device with vibration spindle | |
| CN206678400U (en) | A kind of extrusion device for fusion sediment quick molding method | |
| CN205889894U (en) | Conical screw extrusion equipment suitable for FDM printer | |
| CN106273246A (en) | A kind of injection machine nozzle | |
| CN206201372U (en) | Injection forming mold | |
| CN206374172U (en) | A kind of plastic extruder core rod | |
| CN109016416A (en) | A kind of high performance injection molding machine of plastic and injection molding forming method | |
| CN205705213U (en) | The hollow single screw extrusion machine of band vibration mandrel | |
| CN206855963U (en) | It is classified the cable extruding machine head of guide | |
| CN108621375A (en) | injection control system and control method for injection molding machine | |
| CN105082512B (en) | Melt extrusion pressure-driven has the current equalizing method and device of inside and outside spiral shell rib rotor | |
| CN106903860A (en) | It is classified the cable extruding machine head of guide | |
| CN204658901U (en) | A kind of plastics extrusion die | |
| JP7198454B2 (en) | Method for producing molding of fiber-reinforced thermoplastic resin | |
| CN105397988A (en) | Temperature-controllable injection mold | |
| CN206124181U (en) | Extrusion molding screw rod | |
| CN207140273U (en) | A kind of jetting-moulding screw of plastic jetting-moulding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |