CN205685629U - Integral type injection machine that can be mixed and modified - Google Patents
Integral type injection machine that can be mixed and modified Download PDFInfo
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- CN205685629U CN205685629U CN201620547810.3U CN201620547810U CN205685629U CN 205685629 U CN205685629 U CN 205685629U CN 201620547810 U CN201620547810 U CN 201620547810U CN 205685629 U CN205685629 U CN 205685629U
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Abstract
This utility model provides a kind of integral type injection machine that can be mixed and modified, and including extrusion unit, switching unit and injection unit, switching unit is arranged between extrusion unit and injection unit.Extrusion unit is provided with extrusion hopper, long fine charge door and extrusion screw rod, extruded stock quarrel is provided with electromagnetic valve or switching device, the extrusion hopper making extrusion unit possesses synchronization intermittent feeding function, then coordinates switching unit, it is ensured that extrusion unit is mutually matched with injection unit.Switching unit comprises Storage appts. and increasing apparatus, is used for realizing material linking and pressure alteration, and described injection unit is provided with injection hopper, injection screw and mold closing mechanism.This utility model, by integrating extrusion molding and injection mo(u)lding function, can be done directly modified extrusion and the product injection mo(u)lding of macromolecular material, greatly reduce the manufacturing procedure of product, improve production efficiency, reduce energy consumption.
Description
Technical field
The present invention relates to processing of high molecular material technical field, particularly with regard to injection-moulding device, in particular to one
Plant the integral type injection machine that section is mixed and modified.
Background technology
The forming method of macromolecular material mainly has four kinds, respectively extrusion molding, injection mo(u)lding, blow molding and calendering
Molding.Extrusion molding therein refers to that material passes through the effect between extruder barrel and screw rod, while by thermoplastification, while by screw rod to
Front propelling movement, continues through head and makes a kind of processing method of various cross section articles or semi-products.Extrusion molding processing mode
Have extensively at industrial departments such as agricultural, building industry, petrochemical industry, machine-building, medical apparatus and instruments, automobile, electronics, Aero-Space
Application.Extrusion molding occupies critical positions in Polymer Processing, uses completely or contains moulding of extrusion in process
The production of material products accounts for the half of thermoplastic articles total amount.Injection mo(u)lding is because producing and to manufacture shape complex
Goods, easily be automated, the advantage such as intelligent production, also occupy of crucial importance in the processing and forming of macromolecular material
Position.Injection molding technology is widely used in the numerous areas such as automobile, household electrical appliances, electronic equipment, building materials.
At present, the extrusion equipment on market and injection molding apparatus are the most also without departing from the limitation of self, it is difficult to
Realize effectively combining and combining processing each other.But, from operation, typically the most first to extrude before injection mo(u)lding
Processing.It is, in principle, that it is feasible for extruder and injection machine being united two into one.Injection extrusion mixing technology (IMC) in early days
By the exploitation of Krauss Maffei company of Germany, the most this injection equipment with extrusion function that integrates is also in developing rank
Section, there is not yet and be applied to industrial example.The Chinese patent application of Publication No. CN 105014904 A provides one
Two formats extrude injection machine continuously, and melting material flows into and be stored in double accumulator after filtering without wire gauzee filter, double storages
The melting material of material cylinder is by being molded in the mould in auto-changeover control valve flow to mold closing mechanism.It should be noted that pass
The injection machine of system must transported material under a certain pressure, and under dwell pressure, carry out the subsequent operations such as matched moulds, and the program
In mention the flowing only by melting material and just can arrive mold closing mechanism, it is difficult to realize high pressure required during injection, the essence of goods
Degree, decorative pattern etc. are significantly affected.Simultaneously as modified by adding the reinforcements such as glass in traditional sense, the stream of material
Dynamic property can drastically decline, and the most existing technology cannot realize material and add the reinforcement materials such as glass under melt and flow regime
Material.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art or defect, it is provided that a kind of realize mixed and modified
Integral type injection machine, solves injection mo(u)lding in prior art separate with extrusion molding and increase Product processing operation and cost
Problem, change traditional product processing method, improve production efficiency, reduce energy consumption.
The above-mentioned purpose of the present invention is realized by the technical characteristic of independent claims, and dependent claims is with alternative or has
The mode of profit develops the technical characteristic of independent claims.
For reaching above-mentioned purpose, the present invention proposes a kind of integral type injection machine that can be mixed and modified, including extrusion unit, turns
The group that picks and injection unit, switching unit is arranged between extrusion unit and injection unit, wherein:
Described extrusion unit includes extrusion hopper, the first motor, extrusion screw rod and long fine charge door, described extrusion hopper
It is provided with electromagnetic valve or switching device is arranged for controlling inlet amount and/or the charging rate of extrusion hopper, described first electricity
Machine be connected with extrusion screw rod with control extrusion screw rod by material along extrusion path be transported to transfer unit, described extrusion path is by squeezing
Discharge bucket and extrusion screw rod are defined, and the back segment of this extrusion unit arranges described long fine charge door, and the fine charge door of this length is set
Mixed and modified to carry out for adding long fiber reinforcement body material to extrusion path；
Described switching unit is connected with the extrusion path of described extrusion unit, and this switching unit has storage device and boosting
Device, storage device is connected with described extrusion path, is used for carrying out material buffer and accumulation storage, and described increasing apparatus is arranged on
Between storage device and injection unit, for the material entering injection unit is carried out pressure alteration；
Described injection unit has injection hopper, injection screw, the second motor and mold closing mechanism, described injection screw institute
The injection path limited is connected with described increasing apparatus, with receive boosted after material, described in described injection hopper is connected to
Injection path, is arranged for injecting additive in injection path, and described second motor is connected with described injection screw and drives
Material is sent into mold closing mechanism by dynamic injection screw.
In further embodiment, described integral type injection machine also includes conformal cooling pipe-line system, to extrusion path, storage
Material device, increasing apparatus and injection path cool down.
In further embodiment, the increasing apparatus of described switching unit is displacement pump.
In further embodiment, described injection unit also includes injection charging motor, is used for controlling described injection hopper
Charging rate.
In further embodiment, described injection screw is bolt special, and the part screw channel that it is connected with storage device is deep
Degree shoals, and its part being connected with mold closing mechanism is the most linear.
Implement aforementioned one or more embodiment, compared with prior art, have the advantages that
(1) being provided with long fine charge door, material adds the reinforcement material modifications such as glass under melt and flow regime, real
The modified extrusion of existing macromolecular material and product injection mo(u)lding.
(2) it is provided with increasing apparatus, it is achieved high pressure required during injection, it is ensured that the performances such as the precision of goods, decorative pattern are wanted
Ask, the material that viscosity is bigger can also be realized power-assisted and push processing.
(3) integrate extrusion molding and injection mo(u)lding function, greatly reduce the manufacturing procedure of product, improve and produce effect
Rate, reduces energy consumption.
As long as should be appreciated that all combinations of aforementioned concepts and the extra design described in greater detail below are at this
A part for the subject matter of the disclosure is can be viewed as in the case of the design of sample is the most conflicting.It addition, required guarantor
All combinations of the theme protected are considered as a part for the subject matter of the disclosure.
Foregoing and other aspect, the reality that present invention teach that can be more fully appreciated with from the following description in conjunction with accompanying drawing
Execute example and feature.The feature of other additional aspect such as illustrative embodiments of the present invention and/or beneficial effect will be below
Description in obvious, or by learning according in the practice of detailed description of the invention that present invention teach that.
Accompanying drawing explanation
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, each identical or approximately uniform group illustrated in each figure
One-tenth part can be indicated by the same numeral.For clarity, in each figure, the most each ingredient is the most labeled.
Now, by by example embodiment that various aspects of the invention are described in reference to the drawings, wherein:
Fig. 1 is the structural representation of the integral type injection machine according to certain embodiments of the invention.
Detailed description of the invention
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and coordinate institute's accompanying drawings to be described as follows.
Each side the most with reference to the accompanying drawings to describe the present invention, the embodiment illustrated shown in the drawings of many.
Embodiment of the disclosure and must not be intended to include all aspects of the invention.Should be appreciated that multiple design presented hereinbefore and reality
Execute example, and those designs of describing in more detail below and embodiment can in many ways in any one comes real
Execute, this is because design disclosed in this invention and embodiment are not limited to any embodiment.It addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined uses with disclosed by the invention.
Shown in Fig. 1, according to the improvement of the present invention, a kind of can be mixed and modified integral type injection machine, including extruder
Group, switching unit and injection unit, switching unit is arranged between extrusion unit and injection unit.The extruded stock of extrusion unit
Bucket is standby synchronizes intermittent feeding function, coordinates switching unit to carry out material linking and pressure alteration, it is achieved extrusion unit and injection
Unit is mutually matched, and makes material keep coordinating and continuous in the course of processing.
Such as Fig. 1, described extrusion unit includes extrusion hopper the 1, first motor 3, extrusion screw rod 4 and long fine charge door 5.Institute
State extrusion hopper 1 and be provided with electromagnetic valve or switching device 2 is arranged for controlling inlet amount and/or the charging speed of extrusion hopper
Degree.Described first motor 3, as extrusion unit motor, is connected to control extrusion screw rod material is logical along extrusion with extrusion screw rod 4
Road is transported to unit of transferring.Described extrusion path is defined by extrusion hopper 1 and extrusion screw rod 4.
The back segment of extrusion unit arranges described long fine charge door 5, and the fine charge door of this length is arranged for adding to extrusion path
Elongated fibres reinforcement material is mixed and modified to carry out.In this example, by the fine charge door 5 of this length can add glass fibre,
Carbon fiber, ceramic fibre isometric fibre reinforcement material, it is achieved resin matrix is mixed and modified with reinforcement.
Described switching unit is connected with the extrusion path of described extrusion unit.Switching unit has storage device 6 and boosting
Device 7.Storage device 6 is connected with described extrusion path, is used for carrying out material buffer and accumulation storage, and described increasing apparatus is arranged
Between storage device and injection unit, for the material entering injection unit is carried out pressure alteration.
Should be appreciated that aforesaid integral type injection machine also includes servo-control system, for controlling according to aforesaid mode
All units.
In the integral type injection machine of the present invention, by integrated with injection unit for extrusion unit, but due in extrusion above
In general the pressure that in unit, material is reached be the requirement of the injection unit that can not meet back segment, therefore in switching unit
Arranging increasing apparatus for improving the pressure of material, simultaneously because material is after storage device the most double storage cylinder, its pressure is also
It is not enough to the injection after carrying out.Therefore, in an embodiment of the present invention, we are provided with increasing apparatus and carry out in switching unit
The conversion of pressure, thus meet when institutional operation the different requirements of the different phase to pressure.
In conjunction with Fig. 1, injection unit has injection hopper 8, injection screw the 9, second motor 11 and mold closing mechanism 12, described
The injection path that injection screw 9 is limited is connected with described increasing apparatus 7, with receive boosted after material, described injection molding material
Bucket 8 is connected to described injection path, is arranged for injecting additive, described second motor 11 and described note in injection path
Mould screw rod 9 connect and drive injection screw that material is sent into mold closing mechanism 12.
Preferably, the increasing apparatus 7 of described switching unit is displacement pump, and described displacement pump can be selected for MAAG company of GermanyDeng the gear pump of series, by servomotor being carried out accurate control, it is achieved to shot and pressure
The accuracy controlling of power.The use of displacement pump can also expand can the range of choice of processing materials, for the bigger material of viscosity also
Good power-assisted can be realized push.
Preferably, the front end of the injection screw 9 of described injection unit be provided with injection hopper 8, for by base material with cannot
The additive mixing of experience high shear.
Preferably, the injection screw 9 of described injection unit uses special injection screw, injection screw and described switching machine
The part spiral groove depth that the most double storage tank of storage device 6 of group is connected is shallower, and the part being connected with described mold closing mechanism 12 is spiral shell
Spin line shape.
Whole integral type injection machine does not has traditional melted transportation section, and shortens traditional compression section, does not affect note simultaneously
Mould efficiency.
Preferably, it is provided with attemperating unit between described integral type injection machine inwall and shell, and conformal cooling pipe is installed
Road system, it is ensured that the melting material being positioned at different position is in respective machining state, especially to extrusion path, storage device, liter
Pressure device and injection path cool down.
The present invention is a kind of realizes mixed and modified integral type injection machine, and with extrusion unit, injection unit is passed through switching machine
Group is integrated in one, and is provided with specific feeding device, Storage appts., increasing apparatus, proportioner and injection screw, effectively protects
Demonstrate,prove injection and the integration of extrusion, overturn the processing mode that traditional extruder is separate with injection machine.
Shown in Fig. 1, in the operation process of whole integral type injection machine, the extruded hopper of material 1 enters extruder
Group, then the glass fibre of charge door 5 addition fine with length, carbon fiber, the modification of ceramic fibre isometric fibre reinforcement material mixing, logical
Switching unit is arrived after crossing extrusion screw rod 4 mixing extrusion.
By arranging relevant mathematical algorithm and/or control algolithm, the extruded stock of extrusion unit in servo-control system 13
Bucket 1 possesses synchronization intermittent feeding function, adds the synergism of switching unit, it is ensured that extrusion unit and injection unit phase
Coupling mutually, makes material keep coordinating and continuous in the course of processing.
Switching unit is between extrusion unit and injection unit, and comprises Storage appts. 6 and increasing apparatus 7, is used for real
Existing material linking and pressure alteration.
Injection hopper 8 is arranged on the front end of injection screw, for by base material and the interpolation that cannot experience high shear
Agent mixes.
After material tentatively mixes with additive, it is sufficiently mixed under special injection screw 9 effect.Injection screw 9 uses
Special injection screw, the part spiral groove depth that injection screw is connected with double storage tanks of switching unit is shallower, fills with described matched moulds
Putting 12 parts being connected the most linear, the integral type injection machine of the present invention does not has traditional melted transportation section, and shortens tradition
Compression section, can ensure that simultaneously and do not affect injection efficiency.Well-mixed material under the effect of injection screw 9, finally quilt
It is injected into mold closing mechanism 12 molding, it is thus achieved that required goods.
Although above with respect to whole integral type injection machine work flow general description its complete the work of extrusion-injection
Process, below we by the realization of aforementioned extrusion-injection described in some specific examples in further detail.
Example 1: produced the flow process of the moulding of 20% glass/nylon 66 composite material by this equipment
It is dried a certain amount of and carry out the loading extruded stock of the nylon66 fiber mixed material after mixed at high speed with portions additive
In bucket, it is ensured that the mixed material in extrusion hopper accounts for the 1/3-2/3 of extrusion hopper cumulative volume；
The twin screw feeding mechanism carried by extrusion hopper is fed, and charging twin screw rotates under the speed of v1,
Mixed material is made to join extrusion unit；
Twin screw i.e. extrusion screw rod rotating Vortex under the speed of v2 of extrusion unit, completes mixed material mixing process also
Make mixing after melt move to heading, the head pressure of extrusion unit controls as P1；
Extrusion unit carries out multistage temperature control by the synergism of resistive heater and conformal cooling system, and ensures
At head, temperature controls as T1；
Glass is by the i.e. long fine charging aperture charging in the position away from head d1, and d1 is the 1/4-1/5 of extrusion screw rod length d, glass
The speed of fine charging is controlled by twin screw rotating speed v2, it is ensured that glass is sufficiently mixed with mixed material, but can not make glass
Glass fiber experiences long twin screw shear action and becomes randomly-oriented short fibre；
Material melt mixed with glass enters Storage appts., and owing to volume expands, the pressure of system becomes P2, due to
The addition of glass, the mobility of material melt declines, in order to ensure the mobility of material melt, will storage by conformal cooling system
The temperature of material device controls as T2；
Owing to material melt has mobility, enter under the pressure of P2 in displacement pump, displacement pump raising voltage effect, it is ensured that
When entering injection unit, pressure reaches the requirement of injection, and displacement pump Stress control is P3, rises pressure material it may happen that decompose, because of
The temperature of displacement pump need to be controlled as T3 by this by conformal cooling system；
Under the effect of displacement pump, material melt pumps in single screw rod of injection machine group, the nozzle temperature control of injection unit
Being made as T4, the rotating speed of screw rod is v3, and along with the storage of heating cylinder front end material, the counteracting force (back pressure) that material produces is by spiral shell
Bar, to pusher, utilizes limit switch to limit its back amount, when backing to certain position, makes screw rod stop operating, thus determines
(metering) injection volume once.
Control injection pressure is P4, is injected by material melt and complete injection moulding process in mould under injection pressure.
For ensure integral type injection machine of the present invention for 20% glass/nylon 66 composite material moulding extrude and
Injection collaborative work, should meet following relation between each parameter:
V1=(1/10-1/20) v2=(1/4-1/6) v3, P1=(2-3) P2=(1/8-1/20) P3=(1/8-1/20)
P4, T1=(0.7-0.8) T2=(1.1-1.2) T3=T4.
Example 2: produced another flow process of the moulding of 20% glass/nylon 66 composite material by this equipment.
It is dried a certain amount of and carry out the loading extruded stock of the nylon66 fiber mixed material after mixed at high speed with portions additive
In bucket, it is ensured that the mixed material in extrusion hopper accounts for the 1/3-2/3 of extrusion hopper cumulative volume；
The twin screw feeding mechanism carried by hopper is fed, and charging twin screw rotates under the speed of v1, makes to mix
Compound material joins extrusion unit；Twin screw rotating Vortex under the speed of v2 of extrusion unit, completes the mixing mistake of mixed material
Journey and make mixing after melt move to heading, the head pressure of extrusion unit controls as P1；
Extrusion unit carries out multistage temperature control by the synergism of resistive heater and conformal cooling system, and ensures
At head, temperature controls as T1；Glass is fed by the position away from head d1, and d1 is the 1/4-1/5 of spiro rod length d, glass charging
Speed is controlled by twin screw rotating speed v2, it is ensured that glass is sufficiently mixed with mixed material, but can not make glass fibre warp
Go through long twin screw shear action and become randomly-oriented short fibre；Material melt mixed with glass enters bin stock dress
Putting, owing to volume expands, the pressure of system becomes P2, and due to the addition of glass, the mobility of material melt declines, in order to ensure
The mobility of material melt, is controlled to be T2 by the temperature of Storage appts. by conformal cooling system, is store by servo system control
Material device and the connecting valve of displacement pump, it is ensured that the continuous process of extruder is mated with the batch process of injection machine；Due to thing
Material melt has mobility, enters in displacement pump, displacement pump raising voltage effect under the pressure of P2, it is ensured that when entering injection unit
Pressure reaches the requirement of injection, and displacement pump Stress control is P3, rises pressure material it may happen that decompose, therefore needs by conformal cold
But the temperature of displacement pump is controlled as T3 by system；Under the effect of displacement pump, material melt pumps in single screw rod of injection machine group,
The nozzle temperature of injection unit controls to be T4 by conformal cooling system, and the rotating speed of screw rod is v3, along with heating cylinder front end thing
The storage of material, screw rod to pusher, is utilized limit switch to limit its back amount, works as retrogressing by the counteracting force (back pressure) that material produces
During to certain position, make screw rod stop operating, thus determine (metering) injection volume once.Control injection pressure is P4, at note
Under blow pressure, material melt is injected and mould completes injection moulding process.
For ensure integral type injection machine of the present invention for 20% glass/nylon 66 composite material moulding extrude and
Injection collaborative work, should meet following relation: v1=(1/10-1/20) v2=(1/4-1/6) v3, P1=(2-between each parameter
3) P2=(1/8-1/20) P3=(1/8-1/20) P4, T1=(0.7-0.8) T2=(1.1-1.2) T3=T4.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to the present invention
Art field has usually intellectual, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Cause
This, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (6)
1. one kind can be mixed and modified integral type injection machine, it is characterised in that include extruding unit, switching unit and injection machine
Group, switching unit is arranged between extrusion unit and injection unit, wherein:
Described extrusion unit includes extrusion hopper, the first motor, extrusion screw rod and long fine charge door, and described extrusion hopper is arranged
Have electromagnetic valve or switching device to be arranged for controlling the inlet amount of extrusion hopper and/or charging rate, described first motor with
Material is transported to, along extrusion path, unit of transferring to control extrusion screw rod by extrusion screw rod connection, and described extrusion path is by extruded stock
Bucket and extrusion screw rod are defined, and the back segment of this extrusion unit arranges described long fine charge door, and the fine charge door of this length is arranged for
Long fiber reinforcement body material is added mixed and modified to carry out to extrusion path；
Described switching unit is connected with the extrusion path of described extrusion unit, and this switching unit has storage device and liter press-fits
Putting, storage device is connected with described extrusion path, is used for carrying out material buffer and accumulation storage, and described increasing apparatus is arranged on storage
Between material device and injection unit, for the material entering injection unit is carried out pressure alteration；
Described injection unit has injection hopper, injection screw, the second motor and mold closing mechanism, and described injection screw is limited
Injection path be connected with described increasing apparatus, with receive boosted after material, described injection hopper is connected to described injection
Path, is arranged for injecting additive in injection path, and described second motor is connected with described injection screw and drives note
Mould screw rod and material is sent into mold closing mechanism.
The most according to claim 1 can be mixed and modified integral type injection machine, it is characterised in that described integral type injection machine
Also include conformal cooling pipe-line system, extrusion path, storage device, increasing apparatus and injection path are cooled down.
The most according to claim 1 and 2 can be mixed and modified integral type injection machine, it is characterised in that described switching unit
Increasing apparatus be displacement pump.
The most according to claim 1 can be mixed and modified integral type injection machine, it is characterised in that described injection unit also wraps
Include injection charging motor, for controlling the charging rate of described injection hopper.
The most according to claim 1 can be mixed and modified integral type injection machine, it is characterised in that described injection screw is special
With screw rod, the part spiral groove depth that it is connected with storage device shoals, and its part being connected with mold closing mechanism is helically
Linear.
The most according to claim 1 can be mixed and modified integral type injection machine, it is characterised in that described injection hopper arrange
Front end at injection screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547810.3U CN205685629U (en) | 2016-06-07 | 2016-06-07 | Integral type injection machine that can be mixed and modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620547810.3U CN205685629U (en) | 2016-06-07 | 2016-06-07 | Integral type injection machine that can be mixed and modified |
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| Publication Number | Publication Date |
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| CN205685629U true CN205685629U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620547810.3U Expired - Fee Related CN205685629U (en) | 2016-06-07 | 2016-06-07 | Integral type injection machine that can be mixed and modified |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003547A (en) * | 2016-06-07 | 2016-10-12 | 坤闻企业管理咨询（上海）有限公司 | Integrated type injection molding machine capable of mixing and modifying and integrated type injection molding method |
| CN109664464A (en) * | 2018-12-28 | 2019-04-23 | 佛山市顺德区震旭塑料机械有限公司 | A kind of mixed and modified injection molding machine of integral type |
-
2016
- 2016-06-07 CN CN201620547810.3U patent/CN205685629U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003547A (en) * | 2016-06-07 | 2016-10-12 | 坤闻企业管理咨询（上海）有限公司 | Integrated type injection molding machine capable of mixing and modifying and integrated type injection molding method |
| CN109664464A (en) * | 2018-12-28 | 2019-04-23 | 佛山市顺德区震旭塑料机械有限公司 | A kind of mixed and modified injection molding machine of integral type |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20190607 |