CN109476060A - Mold injection device mounting plate and mold - Google Patents
Mold injection device mounting plate and mold Download PDFInfo
- Publication number
- CN109476060A CN109476060A CN201780044134.5A CN201780044134A CN109476060A CN 109476060 A CN109476060 A CN 109476060A CN 201780044134 A CN201780044134 A CN 201780044134A CN 109476060 A CN109476060 A CN 109476060A
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- China
- Prior art keywords
- mold
- injection device
- mounting plate
- device mounting
- injection
- Prior art date
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- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 172
- 239000007924 injection Substances 0.000 title claims abstract description 172
- 239000011347 resin Substances 0.000 claims abstract description 79
- 229920005989 resin Polymers 0.000 claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 49
- 239000000945 filler Substances 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 24
- 238000010438 heat treatment Methods 0.000 description 21
- 230000007246 mechanism Effects 0.000 description 11
- 238000001746 injection moulding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/13—Injection moulding apparatus using two or more injection units co-operating with a single mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Mold is used to coaxial Screw injection device being installed on mold with injection device mounting plate, the coaxial Screw injection device includes fixed frame and can include the side surface for capableing of the fixed frame of fixed coaxial Screw injection device with injection device mounting plate relative to fixed frame rotation and mobile plasticized screw axis, the mold；And the hot flow path of plasticized screw axis is open and can stored in side surface, hot flow path is configured to cooperate and implement the plasticizing and metering of resin material with the plasticized screw axis of coaxial Screw injection device, and the resin material through being plasticized can be made to flow towards the die cavity of mold.
Description
Technical field
The present invention relates to for coaxial Screw injection device to be installed on the injection device mounting plate of the mold on mold
And mold.
Background technique
In the past, as the resin material or multiple types that use multiple colors resin material to stacking molded product carry out at
The dedicated Coinjection molding apparatus of stacking molded product of type, is widely used the polychrome with multiple injecting units in the same size
More material injection molding devices.It is substantially in the resin material of the multiple colors or multiple types that are used in 1 stacking molded product
In the case where identical injection fillers amount, such previous more material injection molding devices of polychrome can be properly used.Separately
On the one hand, the injection fillers amount between such as main material and auxiliary material colors multiple like that or the resin material of multiple types
There are specific difference and the injection fillers amount of the auxiliary material for the injection fillers amount of main material in addition to this compared with
In the case where few, it is kept into plasticizing longerly for auxiliary material is compared main material in the injecting unit of injection fillers auxiliary material
State, it is therefore possible to cause the quality of auxiliary material to decline.Also, compared with for the mould cavity of injection fillers main material, supply
It is more that the mould cavity of injection fillers auxiliary material is unevenly present in the case where multiple positions, in this case, leads to secondary material
The resin flow path (hot flow path) of the mould cavity of material is elongated, therefore generates following problems: the structure of mold becomes complicated；And
Due to the increase of the resin flow path length of auxiliary material, the time for remaining plastifying state in resin flow path increases, it is possible to
The quality of auxiliary material is caused to decline.
Therefore, in the past the injection fillers amount of the auxiliary material for the injection fillers amount relative to main material in addition to this compared with
In the case where few, it is small-sized the additional installation in the general Coinjection molding apparatus for including 1 main injecting unit has been properly used
Secondary injecting unit Coinjection molding apparatus (patent document 1).
As shown in Fig. 6 and Fig. 7, Patent Document 1 discloses main injecting unit (the 1st injections for including main material
It is machine, not shown) and auxiliary material secondary injecting unit (the 2nd injector) 110 Coinjection molding apparatus.In the note of patent document 1
Penetrate in molding machine, secondary injecting unit 110 be include screw-type injection machine with flowering structure: be built-in with the heating rolling of screw rod 111
Cylinder (cartridge heater) 112；It is integrally formed at the flange part 113 of the rear end of heating roller 112；Pacified by multiple connecting rods 114
Injection cylinder 115 loaded on flange part 113；Connection is installed on the state that can be moved between injection cylinder 115 and flange part 113
The sliding part 116 of bar 114；It is set to the measure motor 117 of sliding part 116；And for the supplying material into heating roller 112
Material feed tube (hopper) 118.As shown in fig. 6, being formed with the heating that can store secondary injecting unit 110 in mold 100
The hole 102 of the major diameter of roller 112 is formed with resin supply mouth 104 in the bottom of the large diameter hole 102.
The heating roller 112 of secondary injecting unit 110 with the above structure is inserted into the large diameter hole 102 of mold 100
Portion is exerted a force by the elastomeric elements such as spring 122, so that injection nozzle 119 is close to the resin supply mouth 104 of mold 100, in the shape
Under state, secondary injecting unit 110 is installed on mold 100 by installing mechanism 120.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2003-053770 bulletin
Summary of the invention
Subject to be solved by the invention
But the Coinjection molding apparatus of patent document 1 is configured between secondary injecting unit 110 and mold 100 that there are bullets
The structure of property component 122, therefore secondary injecting unit 110 can not be firmly fixed at mold 100.Also, the note of patent document 1
Penetrating molding machine is the structure that the injection nozzle 119 of secondary injecting unit 110 is pressed by elastomeric element 122, so that association
The sliding part of component is needed for being associated the gap slided between component, and it is therefore possible to lead to secondary injecting unit 110 also
Direction other than to the force direction of elastomeric element 122 is mobile.Moreover, these factors are based on, in the injection moulding of patent document 1
In device, by the vibration generated by mould on-off action, mould assembling action and injection fillers movement etc., in secondary injecting unit
110 are fixed on the fixed position of mold 100 and elastomeric element 122, there is the static load of secondary injecting unit 110 in addition to acting on
Except, can also repeat function have the dynamic load of secondary injecting unit 110, therefore there are there may be fixed positions and elastic portion
The damaged problem of part 122.Also, in the Coinjection molding apparatus of patent document 1, by above-mentioned vibration, in being pressed
Injection nozzle 119 in the state of at the resin supply mouth 104 of mold 100 is relative to resin supply mouth 104 to unexpected
Direction sliding, therefore there are there may be the abrasions and breakage of injection nozzle 119 and the resin supply mouth 104 of mold 100
The problem of.
Also, in the Coinjection molding apparatus of patent document 1, secondary note can be stored by needing to be formed to have on mold 100
The length of the heating roller 112 of unit 100 and the very big hole (large diameter hole 102) of diameter are penetrated, therefore there are the changes of mold 100
It obtains large-scale and restriction is led to the problem of to the configuration of die cavity.
The present invention has been made in view of the above-described circumstances, and an object thereof is to provide can be by coaxial Screw injection device jail
Admittedly be installed on the less mold injection device of restriction in terms of mold and mold relevant to the installation of the injection device
Mounting plate and mold.
Means for solving the problems
Mold of the invention is used to for coaxial Screw injection device being installed on mold with injection device mounting plate, described same
Axis Screw injection device includes fixed frame and can be relative to fixed frame rotation and mobile plasticized screw axis, institute
It states mold injection device mounting plate to be characterized in that, includes side surface, it being capable of the fixed coaxial segment injection dress
The fixed frame set；And hot flow path, it is open in the side surface, and the plasticized screw axis can be stored, it is described
Hot flow path is configured to cooperate with the plasticized screw axis of the coaxial Screw injection device and implements resin material
Plasticizing and metering, and the resin material through being plasticized can be made to flow towards the die cavity of the mold.
Mold of the invention is preferably configured as with injection device mounting plate, and the hot flow path includes the storage of plasticized screw axis
Portion can store the plasticized screw axis；And injection resin flow path, it is connected to the cast gate of the die cavity of the mold,
Plasticized screw axis incorporating section is configured to an end and is open in the side surface, another end and the injection resin
Fluid communication.In this case, can also be configured in the injection resin flow path of the hot flow path being capable of switching station
State the gate valve of cast gate.
Also, it is preferably configured as in mold of the invention with injection device mounting plate, including at least in the hot flow path
The part that the region of the plasticized screw axis can be stored is made of the seperated component of replaceable tubular.
Moreover, mold of the invention is also configured to continuously configure with mold cavity block with injection device mounting plate, it is described
Mold cavity block has at least part of die cavity face for the die cavity for being capable of forming the mold.In this case, mold of the invention
It is preferably configured as being configured between manifold blocks and the mold cavity block with injection device mounting plate, the manifold blocks are installed in mold
In mounting disc, the mold injection device mounting plate has the main injection resin flow path and shape for making to be formed in the manifold blocks
The main injection resin flow path of the main injection resin fluid communication of mold cavity block described in Cheng Yu.
Also, mold of the invention can also be with injection device mounting plate is equipped with the coaxial Screw injection device
Structure.
Also, mold of the invention is characterized in that comprising above-mentioned mold injection device mounting plate.
Mold of the invention is configured to further include mold cavity block, and the mold cavity block has the mould for being capable of forming the mold
At least part of die cavity face of chamber, the mold are continuously configured with injection device mounting plate and the mold cavity block.In the feelings
Under condition, mold of the invention is preferably configured as, and further includes the manifold blocks for being installed on mold mounting disc, the mold injection device
Mounting plate is set between the manifold blocks and the mold cavity block, in the manifold blocks, mold injection device mounting plate
Be respectively formed with main injection resin flow path in the mold cavity block, the main injection resin flow path makes to infuse from main injecting unit
The molten resin for penetrating filling is flowed towards die cavity.
Invention effect
According to the present invention, it is possible to provide coaxial Screw injection device can be securely mounted at mold and with the injection
Less mold injection device mounting plate and mold are restricted in terms of the relevant mold of installation of device.
Detailed description of the invention
Fig. 1 is the main view for roughly showing the structure of Coinjection molding apparatus of embodiments of the present invention.
Fig. 2 is the partial cutaway section for roughly showing the structure of mold of present embodiment.
Fig. 3 is the cross-sectional view for roughly showing the structure of secondary injecting unit of present embodiment.
Fig. 4 is the figure for showing the assemble method of mold injection device mounting plate of present embodiment.
Fig. 5 is the partial cutaway section for roughly showing the structure of mold of other embodiments of the invention.
Fig. 6 is the figure for roughly showing the structure of previous Coinjection molding apparatus.
Fig. 7 is the cross-sectional view for roughly showing the structure of the secondary injecting unit part in previous Coinjection molding apparatus.
Specific embodiment
Hereinafter, being illustrated with reference to the accompanying drawings to preferred embodiment for carrying out the present invention.In addition, embodiment party below
Solution of all combinations for the feature that formula is not intended to limit the invention of each claim, and illustrates in embodiments in invention
Certainly it is not necessary in means.
The Coinjection molding apparatus of present embodiment to the Coinjection molding apparatus main body 2 for including main injecting unit 3 by chasing after
The mold for being equipped with small-sized secondary injecting unit 30 has been added to be constituted with injection device mounting plate 20.
As shown in Figure 1, Coinjection molding apparatus main body 2 includes: the main injecting unit 3 of main material；It is fixedly arranged on pedestal 11
Fixed disk (mold mounting disc) 4 and end plate 8；Side between fixed disk 4 and end plate 8 can retreat relative to fixed disk 4
The movable plate (mold mounting disc) 5 of formula setting；The cover half (mold) 6 being installed in fixed disk 4；It is installed on dynamic on movable plate 5
Mould (mold) 7；Quadrangle on fixed disk 4, movable plate 5 and end plate 8 is through 4 connecting rods 9 being arranged；And be set to can
Between Moving plate 5 and end plate 8, the clamping 10 that makes movable plate 5 retreat relative to fixed disk 4.
The through-hole that positive (die mounting surface) is through to from the back side is formed in fixed disk 4, cover half 6 and fixed disk
The resin supply mouth 6a of main injecting unit is formed at the corresponding position of 4 through-hole.The spray nozzle part of main injecting unit 3 passes through solid
The through-hole of price fixing 4 and connect with the resin supply mouth 6a of cover half 6, and with can be to the main mould cavity portion 6b (mould of cover half 6 and dynamic model 7
Chamber) injection constitutes as the mode of the molten resin of main material.In addition, in the Coinjection molding apparatus of present embodiment, main note
Penetrate unit 3, fixed disk 4, end plate 8, movable plate 5, dynamic model 7, connecting rod 9 and clamping 10 can be used arbitrarily it is various well known
Structure, therefore omit detailed description thereof.
As depicted in figs. 1 and 2, cover half 6 includes: the manifold blocks 24 being installed in fixed disk 4 by mold mounting plate 22；
Mold cavity block 26 with the die cavity face that can form main mould cavity portion 6b between dynamic model 7；And it is set to manifold blocks 22 and mould
Mold injection device mounting plate 20 between cavity block 26.
As shown in Fig. 2, being respectively formed in these manifold blocks 24, mold injection device mounting plate 20 and mold cavity block 26
There are main injection resin flow path 24a, 20a, the 26a for making to flow from the molten resin of main 3 injection fillers of injecting unit towards die cavity,
The main cast gate 26b (cast gate) of main injection resin flow path 26a is formed in mold cavity block 26.Main injection resin flow path 24a,
20a, 26a are the so-called hot flow paths that heating temperature is controlled, and are configured to keep with molten condition from main injecting unit 3
The molten resin of injection fillers.In addition, in the Coinjection molding apparatus of present embodiment, as main injection resin flow path 24a,
Various well known hot flow paths can be used arbitrarily in 20a, 26a, therefore omit detailed description thereof.
In mold injection device mounting plate 20 other than being formed with main injection resin flow path 20a, it is also formed with:
For storing the plasticized screw axis incorporating section 20b of the aftermentioned plasticized screw axis 35a of secondary injecting unit 30；And make in plasticized screw
Secondary injection resin flow path of the molten resin being plasticized in the 20b of axis incorporating section towards aftermentioned expansion mould cavity part 6c (die cavity) flowing
(injection resin flow path) 20c, and secondary cast gate is formed at the position corresponding with expansion mould cavity part 6c in mold cavity block 26
26c (cast gate).
It is so-called that plasticized screw axis incorporating section 20b and pair injection resin flow path 20c are that heating temperature is controlled
Hot flow path.In the present embodiment, plasticized screw axis incorporating section 20b and pair injection resin flow path 20c are by being formed in mould
The seperated component of inbuilt tubular is constituted in hole on tool injection device mounting plate 20, is configured to according to resin material
The outer diameter of the plasticized screw axis 35a of type and secondary injecting unit 30 and spacing etc. and be changed to different inner circumferential diameter etc.
Other hot flow paths.In the present embodiment, by constituting hot flow path by replaceable seperated component as described above, to remove
It is realized except the correspondence for various resin materials by replacing the plasticized screw axis 35a of secondary injecting unit 30, additionally it is possible to
The correspondence for various resin materials is realized by more heat exchange runner.In addition, in the Coinjection molding apparatus of present embodiment,
Various well known heat can be used arbitrarily in heating means as plasticized screw axis incorporating section 20b and secondary injection resin flow path 20c
Heating means included by runner, therefore omit detailed description thereof.
Plasticized screw axis incorporating section 20b is formed to have with the outer diameter of the plasticized screw axis 35a of secondary injecting unit 30 substantially
The cylindrical shape of identical or bigger internal diameter, and be formed as an end and opened in mold with the side surface of injection device mounting plate 20
Mouthful, another end is connected to pair injection resin flow path 20c.In the present embodiment, plasticized screw axis incorporating section 20b is from mould
The side surface of tool injection device mounting plate 20 towards mold injection device mounting plate 20 central part along the mould with dynamic model 7
The direction that opening and closing direction intersects is formed.The plasticized screw axis 35a of secondary injecting unit 30 can be rotated centered on axis and
It can be configured in plasticized screw axis incorporating section 20b along the mode that axis direction slides, thus plasticized screw axis incorporating section 20b
It is configured to realize the plasticizing (fusing) of resin material jointly with plasticized screw axis 35a.In addition, after being shown in FIG. 2 and being completed
Plasticized screw axis 35a in the state of the injection fillers stated.Plasticized screw axis incorporating section 20b or secondary injecting unit 30, which have, to be used for
Granular resin material as auxiliary material is put into the hopper (material (not shown) in plasticized screw axis incorporating section 20b
Supply mouth).Also, be configured to the plasticized screw axis incorporating section 20b of hot flow path especially with common coaxial Screw injection device
The heating units such as band heater for being configured at heating roller (cartridge heater) periphery similarly, be configured to from not shown
The granular resin material of hopper (material supply mouth) supply carry out heating and temperature control, the heating and temperature control is for making
The resin material is plasticized in a period of the rotation by plasticized screw axis 35a is flowed in the axial direction.In addition, in this implementation
In mode, the side surface of mold injection device mounting plate 20 further includes upper table other than including right side and left side
Face and lower surface.
Secondary injection resin flow path 20c is formed as along the direction intersected with plasticized screw axis incorporating section 20b, in this implementation
It is the cylindrical shape extended along the mould opening and closing direction of dynamic model 7 in mode, an end is connected to the secondary cast gate 26c of mold cavity block 26.
Configured with the gate valve 21 that can make secondary cast gate 26c opening and closing in secondary injection resin flow path 20c.In addition, gate valve 21 can be used respectively
Structure well known to kind, therefore omit detailed description thereof.Also, it is needle valve in the example of diagram, but is not limited to
This, can be used various well known gate valve mechanisms.
Mold cavity block 26 is configured to implement the following processing: filling out in the 6b of main mould cavity portion using from the injection of main injecting unit 3
After the molten resin filled forms one-pass molding body, formed by the various well known methods such as mobile core or die change
Mould cavity part 6c is expanded, using the molten resin by secondary 30 injection fillers of injecting unit in one-pass molding in expansion mould cavity part 6c
Type post forming body is laminated on body.
As shown in figure 3, secondary injecting unit 30 be include fixed frame 32 and movable frame 33 double plate modes coaxial spiral shell
Rod-type injecting unit, and be formed as more smaller than main injecting unit 3.Specifically, secondary injecting unit 30 includes: fixed frame
32；The movable frame 33 being arranged in a manner of it can retreat relative to fixed frame 32；Make movable frame 33 relative to fixed frame
The movable frame driving mechanism 34 that frame 32 is retreated；With the plasticized screw axis 35a's for being plasticized the resin material as auxiliary material
Cylinder component 35；And the plasticized screw driving mechanism 36 for rotating plasticized screw axis 35a.In addition, in Fig. 1, Fig. 2, Fig. 4 and Fig. 5
In, in order to simplify attached drawing, secondary injection is shown in the form of there is the cuboid for the protrusion for being equivalent to plasticized screw axis 35a
Unit 30.
As depicted in figs. 1 and 2, fixed frame 32 is fixedly arranged on mold injection by the fastening units such as bolt (not shown)
On the side surface of device mounting plate 20.On the other hand, movable frame 33 relative to fixed frame 32 can slide as described later
Dynamic state and be supported in fixed frame 32.
As shown in figure 3, movable frame driving mechanism 34 includes: that the injection motor being set on fixed frame 32 (is not schemed
Show)；A pair of of the ball-screw nut 34a being embedded in movable frame 33；One end is connected by bearing 34b and fixed frame 32
It connects and a pair of of ballscrew shaft 34c that the other end and ball-screw nut 34a are screwed togather；Be installed on injection motor output shaft and
Multiple injection belt wheel 34d on a pair of of ballscrew shaft 34c；And it is set up in the belt wheel conveyer belt on multiple injection belt wheel 34d
34e.The movable frame driving mechanism 34 is constituted are as follows: the rotary force for injecting motor is passed through belt wheel conveyer belt 34e and multiple injections
Belt wheel 34f passes to a pair of of ballscrew shaft 34c, makes a pair of of ballscrew shaft 34c along rotating forward or backwards, thus makes movable
Frame 33 is retreated relative to fixed frame 32.
Cylinder component 35 includes plasticized screw axis 35a, which is formed with spiral shell
The base end part of blade 35b, plasticized screw axis 35a are linked by bearing 35c and movable frame 33.At the end of plasticized screw axis 35a
End is provided with lock ring 35d, and lock ring 35d is for preventing from the secondary injection resin flow path of plasticized screw axis incorporating section 20b direction
20c injects the refluence occurred when the molten resin through being plasticized.In addition, various well known structures can be used in lock ring 35d, therefore omit
Detailed description thereof.
Plasticized screw driving mechanism 36 includes: the plasticizing motor (not shown) for being set to movable frame 33；It is installed on plasticizing
Multiple plasticizing belt wheel 36a on the output shaft and plasticized screw axis 35a of motor；And it is set up on multiple plasticizing belt wheel 36a
Belt wheel conveyer belt 36b.The plasticized screw driving mechanism 36 is constituted are as follows: the rotary force for being plasticized motor is passed through belt wheel conveyer belt 36b
Plasticized screw axis 35a is passed to multiple plasticizing belt wheel 36a, thus rotates plasticized screw axis 35a.
In addition, secondary injecting unit 30 is not limited to the mode of above-mentioned explanation and diagram, as long as comparing main injection
Unit 3 is structure that is small-sized and being installed on mold injection device mounting plate 20, then can be used arbitrarily various known
Injecting unit.
Mold injection device mounting plate 20 and secondary injecting unit 30 including the above structure are constituted are as follows: by as hot-fluid
Shear heat caused by the heating and temperature control of the plasticized screw axis incorporating section 20b in road and the rotation of plasticized screw axis 35a, makes
The resin material put into from hopper is plasticized (melting).That is, the cover half 6 of present embodiment is constituted are as follows: make the hot flow path (mould of die side
Have the plasticized screw axis incorporating section 20b of injection device mounting plate 20) there is common coaxial segment injection unit to be had
The function of heating roller (heating cylinder), the heating temperature that illustrates i.e. relative to the size relationship of plasticized screw axis 35a and before
Control.Also, cylinder component 35 is constituted are as follows: is rotated plasticized screw axis 35a by plasticized screw driving mechanism 36 on one side, is led on one side
Crossing movable frame driving mechanism 34 retreats movable frame 33 and plasticized screw axis 35a, is thus measured, and metering is completed
Afterwards, movable frame 33 and plasticized screw axis 35a is made to complete position (going-back position) from metering by movable frame driving mechanism 34
It rises and advances, thus from plasticized screw axis incorporating section 20b to secondary melting tree of the injection resin flow path 20c injection fillers through being plasticized
Rouge.
As shown in figure 4, manufacturing the mold injection device mounting plate 20 including the above structure by the following method: will not
The plasticized screw axis 35a of secondary injecting unit 30 in the state of the forming region of exposing flight 35b including heating roller is inserted
Enter into plasticized screw axis incorporating section 20b, is formed as one secondary injecting unit 30 and mold injection device mounting plate 20 (embedding
Enter).Also, manufacture cover half 6 by the following method: the mold injection device being formed as one with secondary injecting unit 30 pacified
Loading board 20 is inserted into including mold mounting plate 22 in the mode between manifold blocks 24 and mold cavity block 26, has hot flow path (main
Injection resin flow path 24a) manifold blocks 24 and mold cavity block 26 with the cast gate (main cast gate 26b) being connected to hot flow path
In common mold, and secondary cast gate 26c is formed in mold cavity block 26.
As described above, include being capable of fixed secondary injection for the mold injection device mounting plate 20 of present embodiment
The side surface of the fixed frame 32 of unit 30 (coaxial Screw injection device)；And it is open in the side surface and modeling can be stored
Change the hot flow path (plasticized screw axis incorporating section 20b) of screw shaft 35a, which is configured to assist with plasticized screw axis 35a
Make and implement the plasticizing and metering of resin material, and the resin material through being plasticized can be made to flow towards die cavity.
In this way, the mold of present embodiment is with injection device mounting plate 20 in its side surface (upper surface, lower surface, left side
Face and/or right side) on be installed with the fixed frame 32 of secondary injecting unit 30, there is no need to the injection mouldings of such as patent document 1
Device makes the elastomeric elements such as spring 122 between secondary injecting unit 110 and mold 100 like that.Therefore, according to the present embodiment
Mold injection device mounting plate 20, it is fixed to be securely mounted at secondary injecting unit 30 (coaxial Screw injection device)
Mould 6 (mold), therefore compared with the Coinjection molding apparatus of patent document 1, have and is not likely to produce because of mould on-off action, mould assembling action
And caused by being vibrated caused by injection fillers movement etc. the advantages of the breakage and abrasion of structure member.
Also, the mold injection device mounting plate 20 of present embodiment is by making plasticized screw axis incorporating section 20b (hot-fluid
Road) have the function of heating roller (heating cylinder) possessed by common coaxial segment injection unit, so as to be plasticized
The length and diameter of screw shaft incorporating section 20b inhibits in minimum limit, therefore compared with the Coinjection molding apparatus of patent document 1,
Have the advantages that cover half 6 (mold) can be made to minimize and restriction relevant to the configuration of die cavity is less.
More than, the preferred embodiment of the present invention is illustrated, but technical scope of the invention is not limited to
Range documented by above-mentioned embodiment.Various changes or improvement can be applied to the respective embodiments described above.
For example, in the above-described embodiment, illustrating that mold injection device mounting plate 20 is assembled in the knot of cover half 6
Structure, but it's not limited to that, can also for example be configured to be assembled in the structure of dynamic model 7 ' as shown in Figure 5.In this case,
No longer main injection resin flow path must be configured in mold injection device mounting plate 20 ' as above-mentioned embodiment,
Dynamic model 7 ' can be configured to not configure manifold blocks and mold cavity block, mold injection device mounting plate 20 ' and mold are installed
The structure of board group altogether.Also, it is also configured to both fixed half and moving halfs assembly mold injection device mounting plate
20 structure.
Also, in the above-described embodiment, it is illustrated that mold in injection device mounting plate 20 distinguish shape
At having 1 plasticized screw axis incorporating section 20b and 1 pair injection resin flow path 20c and be equipped with 1 secondary injecting unit 30
Structure, but it's not limited to that, can also be configured to as shown in Figure 5, is formed with 2 or more plasticized screw axis storages
It the secondary injection resin flow path 20c of portion 20b and 2 or more and 2 or more secondary injecting units 30,30 is installed on mold uses
Injection device mounting plate 20 '.In addition, the diagram of gate valve is omitted in Fig. 5.
Moreover, in the above-described embodiment, explanation is in secondary injection resin flow path 20c configured with gate valve 21
Structure, but it's not limited to that, is also configured to not configure gate valve 21.In this case, it is also configured to following
Structure: exclude pair injection resin flow path 20c and by plasticized screw axis incorporating section 20b directly with the secondary cast gate 26c of mold cavity block 26
The structure or plasticized screw axis incorporating section 20b of connection are poured via the pair of extremely short secondary injection resin flow path and mold cavity block 26
The structure of mouth 26c connection.
Also, in the above-described embodiment, explanation is that cover half 6 includes manifold blocks 24, mold cavity block 26 and mold note
The structure of injection device mounting plate 20, but it's not limited to that.For example, it is also possible to be configured to by by the functional group of manifold blocks 24
Enter mold injection device mounting plate 20, to only form mold by mold cavity block 26 and mold injection device mounting plate 20.And
And it is also configured to by the way that the functional group of the function of manifold blocks 24 and mold cavity block 26 is entered mold injection device mounting plate
20, to only form mold by mold injection device mounting plate 20.
Moreover, mold injection device mounting plate 20 is not limited to horizontal injection molding machine type shown in Fig. 1
Coinjection molding apparatus main body 2 in the structure that enters of group, such as be also possible in the Coinjection molding apparatus with vertical clamping
Upper mold and/or lower die and the stamping device with the vertical clamping being identical with this upper mold and/or lower die in group enter
Structure.In addition, various well known structures can be used arbitrarily in vertical injection device and stamping device, therefore omit to it
Detailed description.
Also, in the above-described embodiment, illustrate that mold is the biplate mould being made of cover half 6,6 ' and dynamic model 7,7 '
The case where tool, but it's not limited to that, is also possible to joined one or more on the basis of cover half 6,6 ' and dynamic model 7,7 '
The molds more than three pieces of intermediate mold.Also, in this case, mold injection device mounting plate 20 is also possible to be installed on
The structure of intermediate mold.
Label declaration
6: cover half (mold), 6b: main mould cavity portion (die cavity), and 6c: expansion mould cavity part (die cavity), 7 ': dynamic model (mold), 20:
Mold injection device mounting plate, 20b: plasticized screw axis incorporating section (hot flow path), 20c: secondary injection resin flow path (hot-fluid
Road, injection resin flow path), 21: gate valve, 26b: main cast gate (cast gate), 26c: secondary cast gate (cast gate), 30: secondary injecting unit is (same
Axis Screw injection device), 32: fixed frame, 35a: plasticized screw axis.
Claims (10)
1. a kind of mold injection device mounting plate is used to for coaxial Screw injection device being installed on mold, described coaxial
Screw injection device includes fixed frame and can be relative to fixed frame rotation and mobile plasticized screw axis, the mould
Tool injection device mounting plate is characterized in that,
The mold includes side surface with injection device mounting plate, is capable of the institute of the fixed coaxial Screw injection device
State fixed frame；And hot flow path, it is open in the side surface, and the plasticized screw axis can be stored,
The hot flow path is configured to cooperate with the plasticized screw axis of the coaxial Screw injection device and implement tree
The plasticizing and metering of rouge material, and the resin material through being plasticized can be made to flow towards the die cavity of the mold.
2. mold according to claim 1 injection device mounting plate, which is characterized in that
The hot flow path includes plasticized screw axis incorporating section, can store the plasticized screw axis；And injection resin stream
Road is connected to the cast gate of the die cavity of the mold,
Plasticized screw axis incorporating section is configured to an end and is open in the side surface, another end and the injection
Resin fluid communication.
3. mold according to claim 2 injection device mounting plate, which is characterized in that
Configured with the gate valve that can be opened and closed the cast gate in the injection resin flow path of the hot flow path.
4. mold according to claim 1 injection device mounting plate, which is characterized in that
The part that can store the region of the plasticized screw axis is included at least by replaceable tubular in the hot flow path
Seperated component is constituted.
5. mold according to claim 1 injection device mounting plate, which is characterized in that
The mold is configured to continuously configure with mold cavity block with injection device mounting plate, and the mold cavity block, which has, is capable of forming institute
State at least part of die cavity face of the die cavity of mold.
6. mold according to claim 5 injection device mounting plate, which is characterized in that
The mold is configured to be configured between manifold blocks and the mold cavity block with injection device mounting plate, and the manifold blocks are pacified
In mold mounting disc,
The mold injection device mounting plate have make the main injection resin flow path for being formed in the manifold blocks and be formed in
The main injection resin flow path of the main injection resin fluid communication of the mold cavity block.
7. mold according to claim 1 injection device mounting plate, which is characterized in that
The mold is equipped with the coaxial Screw injection device with injection device mounting plate.
8. a kind of mold, which is characterized in that
The mold includes mold injection device mounting plate described in claim 1.
9. mold according to claim 8, which is characterized in that
The mold further includes mold cavity block, and the mold cavity block has at least part of mould for the die cavity for being capable of forming the mold
Cavity surface,
The mold is configured to continuously configure with the mold cavity block with injection device mounting plate.
10. mold according to claim 9, which is characterized in that
The mold further includes the manifold blocks for being installed on mold mounting disc,
The mold is set between the manifold blocks and the mold cavity block with injection device mounting plate,
Main injection resin is respectively formed in the manifold blocks, mold injection device mounting plate and the mold cavity block
Flow path, the main injection resin flow path make to flow from the molten resin of main injecting unit injection fillers towards die cavity.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-161693 | 2016-08-22 | ||
| JP2016161693A JP6202163B1 (en) | 2016-08-22 | 2016-08-22 | Mold injection device mounting plate and mold |
| PCT/JP2017/022111 WO2018037681A1 (en) | 2016-08-22 | 2017-06-15 | Injection device mounting plate for mold and mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109476060A true CN109476060A (en) | 2019-03-15 |
| CN109476060B CN109476060B (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780044134.5A Active CN109476060B (en) | 2016-08-22 | 2017-06-15 | Injection device mounting plate for mold and mold |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6202163B1 (en) |
| KR (1) | KR102155653B1 (en) |
| CN (1) | CN109476060B (en) |
| WO (1) | WO2018037681A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745888A (en) * | 2019-03-27 | 2020-10-09 | 精工爱普生株式会社 | Material supply device, injection molding device, and three-dimensional molding device |
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| JP2998553B2 (en) * | 1994-02-22 | 2000-01-11 | 豊田合成株式会社 | Injection molding machine |
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- 2017-06-15 WO PCT/JP2017/022111 patent/WO2018037681A1/en active Application Filing
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- 2017-06-15 CN CN201780044134.5A patent/CN109476060B/en active Active
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| CN1446680A (en) * | 2002-03-27 | 2003-10-08 | 佳能株式会社 | Injection molding machine, injection molding method and injection molded article |
| EP1745910A1 (en) * | 2005-07-21 | 2007-01-24 | Patents Exploitation Company B.V. | Integrated injection-moulding system for the production of articles manufactured with synthetic materials |
| CN101486238A (en) * | 2007-12-11 | 2009-07-22 | 株式会社电装 | Mold apparatus |
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| CN111745888A (en) * | 2019-03-27 | 2020-10-09 | 精工爱普生株式会社 | Material supply device, injection molding device, and three-dimensional molding device |
| CN111745888B (en) * | 2019-03-27 | 2023-08-29 | 精工爱普生株式会社 | Material supply device, injection molding device, and three-dimensional molding device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018030235A (en) | 2018-03-01 |
| KR102155653B1 (en) | 2020-09-14 |
| CN109476060B (en) | 2021-01-05 |
| JP6202163B1 (en) | 2017-09-27 |
| KR20190016575A (en) | 2019-02-18 |
| WO2018037681A1 (en) | 2018-03-01 |
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