CN205705153U - The Coinjection molding apparatus of spherical rotor - Google Patents
The Coinjection molding apparatus of spherical rotor Download PDFInfo
- Publication number
- CN205705153U CN205705153U CN201620357815.XU CN201620357815U CN205705153U CN 205705153 U CN205705153 U CN 205705153U CN 201620357815 U CN201620357815 U CN 201620357815U CN 205705153 U CN205705153 U CN 205705153U
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- rotor
- injection
- plunger
- cylinder
- injection tube
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- Withdrawn - After Issue
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Abstract
This utility model relates to the Coinjection molding apparatus of a kind of spherical rotor, including injection cylinder, injection mounting, motor, drive mechanism, stand, radial thrust bearing, hopper, machine barrel, electric heater, Shift cylinder, gear and plunger；Feature is also to include plastifying rotor, and plasticizing rotor includes hemispherical rotor and the cylinder being connected as a single entity with hemispherical rotor, is provided with continuous print external screw thread groove on hemispherical rotor；Machine barrel includes hemispherical plasticizing chamber and injection tube, and hemispherical rotor is positioned in hemispheric plasticizing chamber and rotatable, and hopper is arranged on plasticizing chamber, and the left end of external screw thread groove connects with hopper, and the right-hand member of external screw thread groove connects with injection tube；Plunger is positioned at hemispherical rotor and cylindrical centre bore and injection tube and is axially movable, and vibrating device is arranged between plunger and the catch bar of injection cylinder, plunger and injection tube matched in clearance.It has plasticizing, pulverize and the advantage such as extrusion capability is strong, shaped article quality is good.
Description
Technical field
This utility model relates to the Coinjection molding apparatus of a kind of spherical rotor, is mainly used in the plasticizing to macromolecular material
And injection moulding, belong to material and macromolecular material injection moulding equipment technology field.
Background technology
Injection-moulding plastic processing has advantages such as technique is simple, production efficiency is high, product size is accurate, and can be
The goods that in relatively short period of time, one-shot forming profile is more complicated.Plasticizing injecting device be injection forming equipment core texture it
One, the quality of its performance not only directly influences the problems such as injection molding efficiency, production cost and production environment, but also
The quality of injected articles there is conclusive impact.
Classic screw plunger injection forming machine, is to add a set of list being only used as plasticizing on plunger injection device
Screw Extrusion feeding device, material need to first pass through single spiro rod plasticizing device and plastify, then enter injection through check valve
Barrel, when feed quantity reaches variable, plasticized screw stops operating, and injection piston starts injection.The problem of this kind of mode exists
In, often there is more stagnant material in charging basket, be not easy to barrel cleaning, owing to needing two sets barrel (a set of plasticizing, a set of injection), increase
Machine volume and amount of parts, not only manufacturing cost is high, also needs two jacket heating systems to heat screw plasticizing system respectively
Heat with plunger injection system, add overall energy consumption.
Traditional reciprocating screw type injection (mo(u)lding) machine, eliminates injection piston, and screw rod has plasticizing and injection two simultaneously
Function, so screw rod gyration to be done is to complete the plasticizing to material, the most also to do reciprocal axially-movable and carry out
Injection, this considerably increases complexity and the difficulty of total system, manufactures, uses and maintenance cost all increases, and, moulding
During change, because of moving axially along with screw rod, the axial temperature difference that melting material temperature is formed is relatively big, and is difficult to overcome.
Conventional injection machine also has a feature, that is, generally all use screw rod to carry out plastifying material, although utilizing screw rod to mould
Change and have its advantage, but for some material, screw rod has the shortcoming that plasticizing, pulverizing and extrusion capability are the strongest.
For conventional injection machine exist problem, explored despite many researcheres, but be all limited only to right
The local that screw rod, plunger, control system or other parts are carried out changes, and does not change the essence of above-mentioned total system
Problem, therefore, it is necessary to be changed from overall structure and action principle thereof, just can obtain the perfect of overall and essence.
There is researcher that vibration is incorporated into plastics forming field, utilize spiral shell vibration of bar to material plasticizing extrusion
Impact optimize extrusion process, improve extruded product quality.
Also having researcher is then to utilize the vibration of plunger or piston to reach to optimize plasticizing, extrude and inject the course of processing
Purpose.Foreign literature[1,2]Describe its develop rheology injection (mo(u)lding) machine, polymer melt first under screw acting by expecting
Cylinder injects vibration cavity, the direction of switching valve, and is applied vibration by piston.Then mold cavity is injected by piston, same in pressurize
Time, continue to make melt to be under pressure before mould gate freezes effect of vibration.
In sum, in the existing research that injection, extrusion introducing are vibrated, have plenty of by screw rod is applied vibration
Optimize injection, extrusion, have plenty of by applying vibration to not being arranged on the plunger in same machine barrel or piston with screw rod,
Thus polymer melt is produced impact, and then improve the performance of end article.
List of references:
[1 Ibar JP. Control of polymer properties by melt vibration
technology: a review. Polymer Engineering and Science. 1998;38(1):1-20
[2] A.Minardi,M.Boudeulle,E.Duval,S Etienne.Effect of the moulding
conditions on the semicrystalline structure of polypropylene. Polymer. 1997,
38(15):3957-39。
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art to provide the injection moulding of a kind of spherical rotor to fill
Putting, its plasticizing, pulverizing and extrusion capability are strong, the good product quality of production.
In order to achieve the above object, this utility model is achieved in that it is the injection moulding of a kind of spherical rotor
Device, including injection cylinder, injection mounting, motor, drive mechanism, stand, radial thrust bearing, hopper, machine barrel, electric heater,
Shift cylinder, gear and plunger；Described injection cylinder, motor and drive mechanism are all consolidated with injection mounting, described
The catch bar of Shift cylinder is connected with injection mounting；Characterized by further comprising plasticizing rotor, described plasticizing rotor includes hemisphere
Shape rotor and the cylinder being connected as a single entity with hemispherical rotor, be provided with continuous print external screw thread groove on described hemispherical rotor,
Hemispherical rotor and cylinder are provided with centre bore；Described machine barrel includes hemispherical plasticizing chamber and injection tube, and hemispherical turns
Son is positioned in hemispheric plasticizing chamber and rotatable, and described hopper is arranged on plasticizing chamber, the left end of described external screw thread groove and material
Bucket connection, the right-hand member of external screw thread groove connects with injection tube；Described radial thrust bearing and gear are respectively mounted on the cylinder, centripetal
Thrust bearing is arranged on stand；Described plunger is positioned at hemispherical rotor and cylindrical centre bore and injection tube can be axial
Mobile, the right part of plunger and injection tube matched in clearance.
In the technical program, also including vibrating device and motion controller, described motion controller controls vibrating device
Vibration, described vibrating device is arranged between plunger and the catch bar of injection cylinder；Described vibrating device drives plunger to be made
Ground motion is: axial vibration, circular vibration, carry out axial vibration and circular vibration simultaneously, or vibrating device drives plunger to make
Circumference rotary motion.
In the technical program, it is divided into two kinds of different situations.
The situation one of the technical program, the endoporus of described injection tube is shoulder hole, the big position of shoulder hole mesoporous with mould
Changing district's connection, the position that shoulder hole mesoporous is little connects with injection orifice, the periphery of described plunger right part and shoulder hole mesoporous
Big one section has certain gap, and the melting material plastified can pass under pressure through this gap and enter right section of injection tube, and plunger is right
The periphery in the portion position little with shoulder hole mesoporous is for being slidably matched, but melting material cannot be passed through from its fit clearance.
The situation two of the technical program, the endoporus of described injection tube is clear opening, the periphery of plunger right part and machine barrel
The full section of injection tube endoporus has the gap that melting material can be made to pass through, and plunger, when any axial location of injection tube of machine barrel, plastifies
Good melting material all can pass under pressure through gap and enter injection tube right-hand member.
In another technical scheme, the right-hand member at described plunger is provided with the check valve or checking head preventing material from flowing backwards, institute
State check valve or checking head is positioned at injection tube, check valve or checking head and is axially movable at injection tube.
This utility model compared with prior art, has the advantage that
1. plasticizing part have employed cylinder+semicircle spherical thread groove structure, and this kind of method changes classic screw plasticizing side
Formula, utilizes the thread groove of a kind of new type to carry out plasticized extrudate material, is the change in a kind of principle and lifting, have plasticizing,
Pulverizing and the strong advantage of extrusion capability, those are difficult to the material of plasticizing processing, this point is especially beneficial.
2. induce one plastic injection extrusion molding process by Vibrational force field, has a significant impact in the course of processing, plastic melting
Effective viscoelasticity of body and viscosity reduce, and mobility increases, and injection pressure reduces, and flow rate increases, and the mixing of material is sheared and added
By force, the performance of moulded products can be obviously improved, by injection molded article after applying vibration is carried out mechanical property, DSC and close
Degree test, finds that the stretching of injection molded article and impact strength improve, and density becomes big, and the degree of crystallinity of sample improves, in goods
All it is greatly improved in quality and presentation quality and improves.
3., compared to the vibration of other versions in plastics forming, this patent has simple and reliable for structure excellent
Point, and the plastic molding press using screw vibration mode compared to those, this point is more aobvious prominent.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one；
Fig. 2 is the structural representation of machine barrel in Fig. 1；
Fig. 3 is the structural representation plastifying rotor in Fig. 1；
Fig. 4 is the structural representation of this utility model embodiment two；
Fig. 5 is the structural representation of this utility model embodiment three.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that
The explanation of these embodiments is adapted to assist in and understands this utility model, but be not intended that restriction of the present utility model.This
Outward, as long as technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes punching each other
Dash forward and just can be combined with each other.
In this utility model describes, the orientation of the instruction such as term " left " and " right " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of description this utility model rather than require that this utility model must be with specifically
Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Embodiment one
As shown in Figure 1 to Figure 3, it is the Coinjection molding apparatus of a kind of spherical rotor, including injection cylinder 1, injection seat
Frame 2, motor 3, drive mechanism 4, stand 5, radial thrust bearing 6, hopper 7, machine barrel 8, plasticizing rotor 9, electric heater 10, vibration dress
Put 11, motion controller 12, Shift cylinder 13, gear 14 and plunger 15；Wherein
Described injection cylinder 1, motor 3, drive mechanism 4 and machine barrel 8 are fixed on injection mounting 2.
Described machine barrel 8 includes hemispherical plasticizing chamber 81 and injection tube 82, and described hopper 7 is arranged on the plasticizing of machine barrel 8
On chamber 81；
Described plasticizing rotor 9 includes hemispherical rotor 91 and the cylinder 92 combined as a whole with hemispherical rotor 91, in institute
State hemispherical rotor 91 and be provided with continuous print external screw thread groove 911, hemispherical rotor 91 and cylinder 92 are provided with centre bore；Half
Spherical spinner 91 is positioned in hemispheric plasticizing chamber 81 and rotatable, and described cylinder 92 is positioned at outside plasticizing chamber 81；Described outer spiral shell
The left end of groove 911 connects with hopper 7, and the right-hand member of external screw thread groove 911 connects with injection tube 82；
Described radial thrust bearing 6 and gear 14 are installed on cylinder 92, and radial thrust bearing 6 is arranged on stand 5
On, described motor 3 drives drive mechanism 4 to work, and described drive mechanism 4 driven gear 14 rotates, and gear 14 drives cylinder 92
Rotate thus drive hemispherical rotor 91 to rotate in plasticizing chamber 81, complete the fusion plastification to material；
The right-hand member of described plunger 15 sequentially passes through cylinder 92 and the centre bore of hemispherical rotor 91 and is positioned at injection tube 82
In, the right part of plunger 15 and injection tube 82 matched in clearance, plunger 15 is in hemispherical rotor 91, the centre bore of cylinder 92 and injection
The injection to fused materials, hemispherical rotor 91 and the relative plunger of cylinder 92 15 it has been axially movable rotatable in cylinder 82,
Plunger 15 and injection tube 82 matched in clearance；
Described electric heater 10 is set in outside machine barrel 8.
In order to make fused materials inject die cavity in a pulsing mode, and plunger 15 is made to carry out continuous print pressurize and feeding, at this
Also including motion controller 12 and vibrating device 11 in embodiment, vibrating device 11 is arranged on pushing away of plunger 15 and injection cylinder 1
Between lever, described motion controller 12 controls the vibration of vibrating device 11.Described vibrating device 11 drives plunger 15 to be made ground
Motion is: axial vibration, circular vibration, carry out axial vibration and circular vibration simultaneously, or vibrating device 11 drives plunger 15
Make circumference rotary motion.
During work, motor 3 drives hemispherical screw rotor 9 to rotate by drive mechanism 4 and gear 14, hemispherical rotor 91
On the plasticizing chamber 81 of external screw thread groove 911 and machine barrel 8 form material plasticizing, transfer passages, the material in hopper 7 passes through machine barrel 8
The radial hole in plasticizing chamber 81 enter the left end of external screw thread groove 911, move right to hemispherical rotor 91 along external screw thread groove 911
Right-hand member, enters back into the injection tube 82 of machine barrel 8, and material is full of injection tube 82 by plunger 15 and injection tube 82 gap again；Work as system
After completing matched moulds process, Shift cylinder 13 drives injection mounting 2 to move to right, and drive includes injection cylinder 1, motor 3, drive mechanism
4 and machine barrel 8 move right at interior overall plasticizing injecting systems, the UNICOM until injection nozzle and mould are fitted, the most again to
It is passed through pressure oil in injection cylinder 1, promotes plunger 15 for linear motion in the injection tube 82 of machine barrel 8, and meanwhile, vibration
Device 11 can drive plunger 15 to vibrate, and the fused materials in the injection tube 82 of machine barrel 8 injects die cavity in a pulsing mode, and
Making plunger 15 carry out continuous print pressurize and feeding, the vibration of plunger 15 is always maintained at until workpiece cooling and shaping in die cavity；
Then plunger 15 retreats in the injection tube 82 of machine barrel 8, and hemispherical rotor 91 starts next round rotating plasticization.
In the implementation case, the endoporus of described injection tube 82 is clear opening, the periphery of plunger 15 right part and the note of machine barrel
The full section of shooting cylinder 82 endoporus has the gap that melting material can be made to pass through, and plunger 15 is when injection tube 82 any axial location of machine barrel 8,
The melting material plastified all can pass under pressure through gap and enter injection tube 82 right-hand member.
Embodiment two
As shown in Figure 4, it is the Coinjection molding apparatus of a kind of spherical rotor, its basic system principle and embodiment one base
This is identical, and difference is that the endoporus of described injection tube 82 is shoulder hole, and the position that shoulder hole mesoporous is big connects with plasticizing chamber 81,
The position that shoulder hole mesoporous is little connects with injection orifice, a section that the periphery of described plunger 15 right part is big with shoulder hole mesoporous
Having certain gap, the melting material plastified can pass under pressure through this gap and enter right section of injection tube 82, plunger 15 right part
The periphery position little with shoulder hole mesoporous is for being slidably matched, but melting material cannot be passed through, in shoulder hole from its fit clearance
The volume at the position that aperture is little have to be larger than the minimum injection rate set by injector.Operation principle phase basic with embodiment one
With, no longer repeat.
Embodiment three
As it is shown in figure 5, it is the Coinjection molding apparatus of a kind of spherical rotor, its structure and working principle and embodiment one
Essentially identical, except that the right-hand member at described plunger 15 is provided with the check valve preventing material from flowing backwards or checking head 16, described
Check valve or checking head 16 are positioned at injection tube 82, check valve or checking head 11 and are axially movable at injection tube 82.
During work, motor 3 drives hemispherical rotor 91 to rotate, on hemispherical rotor 91 by drive mechanism 4 and gear 14
The plasticizing chamber 81 of external screw thread groove 911 and machine barrel 8 form material plasticizing, transfer passages, the material in hopper 7 is by machine barrel 8
Plasticizing chamber 81 radial hole enters the external screw thread groove 911 on hemispherical rotor 91 excircle, moves right to half along external screw thread groove 911
The right-hand member of spherical spinner 91 enters in the injection tube 82 of machine barrel 8, then passes through check valve 16(or the checking head 16 of plunger 15 right-hand member)
Directly it is full of the injection tube 82 of machine barrel 8；After system completes matched moulds process, Shift cylinder 13 drives injection mounting 2 to move to right, and carries
Dynamic overall plasticizing injecting systems including injection cylinder 1, motor 3, drive mechanism 4 and machine barrel 8 moves right, until note
Penetrate nozzle and mould to fit UNICOM, in injection cylinder 1, be passed through pressure oil the most again, promote plunger 15 and check valve 16 (or only
Inverse 16) for linear motion in the injection tube 82 of machine barrel 8, and meanwhile, vibrating device 11 can drive plunger 15 and unidirectional
Valve 16(or checking head 16) vibrate, the fused materials of the injection tube 82 of machine barrel 8 is injected die cavity in a pulsing mode, and makes post
Plug 15 carries out continuous print pressurize and feeding, and the vibration of plunger is always maintained at until workpiece cooling and shaping in die cavity；Then post
Plug 15 retreats from the injection tube 82 of machine barrel 8, and hemispherical rotor 91 starts next round rotating plasticization.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to institute
The embodiment described.For the ordinary skill in the art, without departing from principle of the present utility model and objective
In the case of these embodiments are carried out multiple change, revise, replace and deform and still fall within protection domain of the present utility model
In.
Claims (5)
1. a Coinjection molding apparatus for spherical rotor, including injection cylinder (1), injection mounting (2), motor (3), driver
Structure (4), stand (5), radial thrust bearing (6), hopper (7), machine barrel (8), electric heater (10), Shift cylinder (13), gear
And plunger (15) (14)；Described injection cylinder (1), motor (3), drive mechanism (4) and machine barrel (8) are installed in injection mounting
(2), on, the catch bar of described Shift cylinder (13) is connected with injection mounting (2)；Characterized by further comprising plasticizing rotor (9),
Described plasticizing rotor (9) includes hemispherical rotor (91) and the cylinder (92) being connected as a single entity with hemispherical rotor (91), in institute
State hemispherical rotor (91) and be provided with continuous print external screw thread groove (911), hemispherical rotor (91) and cylinder (92) are provided with
Centre bore；Described machine barrel (8) includes hemispherical plasticizing chamber (81) and injection tube (82), and hemispherical rotor (91) is positioned at hemisphere
In the plasticizing chamber (81) of shape the most rotatably, described hopper (7) is arranged in plasticizing chamber (81), a left side for described external screw thread groove (911)
End connects with hopper (7), and the right-hand member of external screw thread groove (911) connects with injection tube (82)；Described radial thrust bearing (6) and gear
(14) being installed on cylinder (92), radial thrust bearing (6) is arranged on stand (5)；Described plunger (15) is positioned at hemisphere
In shape rotor (91) and the centre bore of cylinder (92) and injection tube (82) and be axially movable, the right part of plunger (15) and injection
Cylinder (82) matched in clearance.
The Coinjection molding apparatus of spherical rotor the most according to claim 1, it is characterised in that also include vibrating device
(11) and motion controller (12), described motion controller (12) controls the vibration of vibrating device (11), described vibrating device
(11) it is arranged between the catch bar of plunger (15) and injection cylinder (1)；Described vibrating device (11) drives plunger (15) to be made
Ground motion is: axial vibration, circular vibration, carry out axial vibration and circular vibration simultaneously, or vibrating device (11) drives post
Circumference rotary motion made by plug (15).
The Coinjection molding apparatus of spherical rotor the most according to claim 1, it is characterised in that described injection tube (82)
Endoporus is shoulder hole, hemispheric plasticizing chamber (81) UNICOM of the big position of shoulder hole mesoporous and machine barrel (8), shoulder hole mesopore
Little position, footpath connects with injection orifice, and there is gap at the position that described plunger (15) right part external cylindrical surface is big with shoulder hole mesoporous,
The melting material plastified can pass under pressure through this gap and enter injection tube right section of (82), plunger (15) right part external cylindrical surface with
The little position of shoulder hole mesoporous is for being slidably matched and melting material cannot be passed through from its fit clearance.
The Coinjection molding apparatus of spherical rotor the most according to claim 1, it is characterised in that described injection tube (82)
Endoporus is clear opening, and the full section of endoporus of described plunger (15) right part external cylindrical surface and injection tube (82) has can make melting material pass through
Gap, plunger (15) is when injection tube (82) any axial location, and the melting material plastified all can pass under pressure through gap and enter
Enter right-hand member.
The Coinjection molding apparatus of spherical rotor the most according to claim 1, it is characterised in that at described plunger (15)
Right-hand member is provided with the check valve preventing material from flowing backwards or checking head (16), described check valve or checking head (16) and is positioned at injection tube (82)
In, check valve or checking head (16) are axially movable at injection tube (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357815.XU CN205705153U (en) | 2016-04-25 | 2016-04-25 | The Coinjection molding apparatus of spherical rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357815.XU CN205705153U (en) | 2016-04-25 | 2016-04-25 | The Coinjection molding apparatus of spherical rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205705153U true CN205705153U (en) | 2016-11-23 |
Family
ID=57293569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620357815.XU Withdrawn - After Issue CN205705153U (en) | 2016-04-25 | 2016-04-25 | The Coinjection molding apparatus of spherical rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205705153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751459A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Injection molding device with spherical rotor |
| CN112440469A (en) * | 2019-08-29 | 2021-03-05 | 精工爱普生株式会社 | Plasticizing device, three-dimensional molding device, and injection molding device |
-
2016
- 2016-04-25 CN CN201620357815.XU patent/CN205705153U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751459A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Injection molding device with spherical rotor |
| WO2017185552A1 (en) * | 2016-04-25 | 2017-11-02 | 顺德职业技术学院 | Injection molding apparatus having spherical rotor |
| CN105751459B (en) * | 2016-04-25 | 2017-11-21 | 顺德职业技术学院 | The Coinjection molding apparatus of spherical rotor |
| US10315347B2 (en) | 2016-04-25 | 2019-06-11 | Shunde Polytechnic | Injection molding apparatus with spherical rotor |
| CN112440469A (en) * | 2019-08-29 | 2021-03-05 | 精工爱普生株式会社 | Plasticizing device, three-dimensional molding device, and injection molding device |
| CN112440469B (en) * | 2019-08-29 | 2022-06-07 | 精工爱普生株式会社 | Plasticizing device, three-dimensional molding device, and injection molding device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20171121 |