CN101712194A

CN101712194A - Injection forming mold and injection forming method

Info

Publication number: CN101712194A
Application number: CN200910157788A
Authority: CN
Inventors: 山本武
Original assignee: Olympus Corp
Current assignee: Olympus Corp
Priority date: 2008-10-07
Filing date: 2009-07-27
Publication date: 2010-05-26
Also published as: JP2010089324A

Abstract

The object of the present invention is to provide an injection forming mold and an injection forming method, capable of obtaining a plurality of resin forming articles with different shapes or volumes by once injection forming with high precision through a mold with a simple structure. A resin flow adjusting part (56) one end of which is connected to a flow path of a transverse pouring passage (51) is provided. The resin flow adjusting part has a thermal conductivity being different from that of peripheral mold components, and is covered by an insulating member (57), where the other end of the adjusting part is connected with a heating source. Furthermore, a porous part (58) connected with one end of the transverse pouring passage is provided. The porous material part is composed of a porous structure having a plurality of continuous cavities from one end to the other. Overflow parts (74) communicated with a forming articles transfer part (73) with a triangle container shape and a volume smaller than that of the overflow part, and porous parts (75) connected with the overflow parts respectively are also provided. The fluidity of the resin of the resin flow path part is adjusted by the resin flow adjusting part and the porous parts.

Description

Injecting molding die and injection moulding method

Technical field

The present invention relates to can be by simple structure a mould with shot moulding, obtain shape or the volume injecting molding die and the injection moulding method of different a plurality of synthetic resins respectively accurately.

Background technology

In the past, known have by a mould obtain shape or the volume injecting molding die of the so-called modular molding (Off アミリ one gets り) of different a plurality of synthetic resins respectively with shot moulding.

For example, following technology is disclosed in TOHKEMY 2001-198958 communique: in order to obtain high-precision combination die molded product, dispose resin flows adjustment part and pressure adjustment part from following viewpoint: the 1st, be pressed in each die cavity equal in the injection when die cavity is filled; The 2nd, the state that makes the molten resin front end in the resin flow paths is that the state of the molten resin in the gate part is equal in each die cavity.

In above-mentioned TOHKEMY 2001-198958 communique, as the explanation of its Fig. 1, in 2 die cavitys 20 and 21, dispose gas nozzle 22 and 23 respectively, press to adjust in the injection separately, on gas nozzle 22 and 23, be provided with the gas feed unit respectively.And, in cast gate 14 and 15, disposing respectively and be used for valve pin 16 that the state of molten resin front end is regulated and 17 leading section, valve pin 16 is connected with 19 with cylinder 18 respectively with 17 rear end.

But, in the structure of the injecting molding die of TOHKEMY 2001-198958 communique, need the configuration of 2 gas feed units and the configuration of 2 groups of cylinders and valve pin, not only complex structure, step are bothersome, and the price of baroque mold integral is also expensive.

Especially, when the modular molding injection moulding of carrying out small-sized and a spot of synthetic resin, because the amortization charge of the mould of bothersome corresponding expense that causes of step and use costliness, moulding product itself are also expensive, are not good plans.

Summary of the invention

The present invention finishes in view of above-mentioned actual conditions, its purpose is, following injecting molding die and injection moulding method is provided: a mould that can be by simple structure is with shot moulding, obtain the different respectively a plurality of synthetic resins of shape or volume accurately.

In order to reach above-mentioned purpose, but injecting molding die of the present invention can be by a mould that is made of fixed die and dynamic model, obtain shape or the different respectively a plurality of synthetic resins of volume with shot moulding, it is characterized in that, this injecting molding die has: porous matter portion, the portion of overflowing of itself and resin flow paths portion or resin is connected with, and constitute by having a plurality of porous materials that pass through continuous cavity, described overflow portion from moulding product transfer printing portion additional configurations outside this moulding product transfer printing portion; And the resin flows adjustment part, it is made of the parts with pyroconductivity different with the pyroconductivity of the mold component that constitutes described fixed die, and a part is connected configuration with resin flow paths portion.

And, similarly, in order to reach above-mentioned purpose, but the mould of injection moulding method of the present invention by constituting by fixed die and dynamic model, with the shot moulding of carrying out at resin flow paths portion, make the different respectively a plurality of synthetic resins of shape or volume, it is characterized in that, this injection moulding method comprises following operation: resin flows adjustment part setting state operation, when configuration resin flows adjustment part, set the state of resin flows adjustment part, described resin flows adjustment part is made of the parts with pyroconductivity different with the pyroconductivity of each mold component of fixed die, one end of described resin flows adjustment part is connected with the part of resin flow paths portion, the other end and pyrotoxin link, and the state of described resin flows adjustment part comprises the position that resin flow paths portion is connected with the resin flows adjustment part, the shape of the coupling part of this resin flows adjustment part and the temperature of coupling part; Porous matter portion setting state operation, when configuration porous matter portion, set the state of porous matter portion, but the resin flow paths portion of described porous matter portion and fixed die or be connected with in the resin portion of overflowing of the moulding product transfer printing portion of dynamic model is connected with, described porous matter portion constitutes by having a plurality of porous materials that pass through continuous cavity, and the state of described porous matter portion comprises the diameter in the position that is connected with this porous matter portion and cavity or sum that should the cavity; Resin flows is resolved operation, utilization is based on the injection molding simulation program of the setting state value of the setting state value of resin flows adjustment part setting state operation and porous matter portion setting state operation, carry out the injection speed of molten resin with respect to the moulding product transfer printing portion of a plurality of synthetic resins, injection volume, whether guaranteed that to the time of injection till finishing etc. balanced resin flows resolves, the result who resolves in this resin flows represents when inappropriate, the setting state value of change resin flows adjustment part setting state operation and the setting state value of porous matter portion setting state operation, carry out the simulation program that resin flows is resolved repeatedly, till the result that this resin flows is resolved represents suitably; And injection moulding operation, resolving result that the resin flows of operation resolves in this resin flows represents when suitable, the setting state value of the resin flows adjustment part setting state operation that will use in the simulation program that this resin flows is resolved and the setting state value of porous matter portion setting state operation are worth as execution, carry out the injection moulding based on a plurality of synthetic resins of mould.According to the present invention, following injecting molding die and injection moulding method can be provided: can utilize in order to regulate resin flow a part to be connected the resin flows adjustment part that is configured in the resin flow paths portion and to press in the injection as the die cavity of moulding product transfer printing portion and be connected with in resin flow paths portion or overflow the such simple structure of porous matter portion of portion in order to regulate, by a mould with shot moulding, obtain the different respectively a plurality of synthetic resins of shape or volume accurately.

Description of drawings

Fig. 1 is the integrally-built figure that a part is schematically illustrated the mould of the 1st embodiment as section.

Fig. 2 utilizes section that the stereogram of mould of the part of Fig. 1 is shown.

Fig. 3 is the front view of the state when but the die sinking of the fixed die of mould of the 1st embodiment and dynamic model is shown.

Fig. 4 utilizes section that the figure on the right side 2/3 of Fig. 3 is shown.

But Fig. 5 only takes out the stereogram that the dynamic model of Fig. 3 is represented.

Fig. 6 is the figure that the position relation when the mould of the 1st embodiment is fetched into outside 2 moulding product and stream cured resin and is present in the mould before taking out mutually is shown.

Fig. 7 is the flow chart of processing that the condition of the condition of setting porous matter portion as the step before the different a plurality of moulding product of the forming shape of the 1st embodiment or volume and resin flows adjustment part is shown.

Label declaration

30: mould (injecting molding die); 40: fixed mould (fixed die); 41: cavity adaptor plate; 42: runner plate (runner plate); 43: fixed bolster plate; 44: recess; 45,46: die insert; 47: cylindric recess; 48: the triangle recess; 49: sprue; 51,52: cross gate; 53: die joint (parting face); 54,55: cast gate; 56: the resin flows adjustment part; 57: heat insulating member; 58: porous matter portion; 59: indivedual temperature adjustment parts; 60: moveable die (but dynamic model); 61: core adaptor plate; 62: spacer block; 63: moving bolster plate; 64: recess; 65,66: die insert; 67: cylindric protuberance; 68: the triangle cylindrical projection; 69: die joint; 71 (71a, 71b): liftout plate; 72,73: die cavity (moulding product transfer printing portion); 74: overflow portion; 75: porous matter portion; 76: cylindrical vessel; 77: triangle tube container; 78: flash; 81: recess.

The specific embodiment

Below, the embodiment that present invention will be described in detail with reference to the accompanying.In addition, fixed mould (fixed die) and moveable die (but dynamic model) about following explanation, consider the convenience of Visual Confirmation and explanation, the mould that diagram and explanation are used in vertical type injection molding machine, this vertical type injection molding machine constitutes via bottom knockout on the die joint 69.

The 1st embodiment

Fig. 2 utilizes section that the stereogram of the mould of an above-mentioned part is shown.In addition, as shown in Figure 2, the section of Fig. 1 and Fig. 2 illustrates the right side nearby of mould under about 1/2 state of the short side direction of about 2/3, the mould of the length direction that cuts mould.And in Fig. 2, having omitted expression is the diagram of the hatching of section.

As depicted in figs. 1 and 2, mould (injecting molding die) 30 is made of fixed mould (fixed die) 40 and moveable die (but dynamic model) 60.

One side's fixed mould 40 is made of cavity adaptor plate 41, runner plate 42 and fixed bolster plate 43.On fixed bolster plate 43, from its lower surface towards above die

insert

45 and 46 are installed the recess 44 that forms.Die insert 45 forms cylindric recess 47 at central portion, and die insert 46 forms triangle barrel shape recess 48 at central portion.

In said fixing side installing plate 41 and runner plate 42, be formed with sprue 49.And, in fixed bolster plate 43, be formed with the

cross gate

51 and 52 that is communicated with and branches into two sides with above-mentioned sprue 49.Cross

gate

51 and 52 grooves by the die joint that is arranged in fixed bolster plate 43 (parting face) 53 constitute, and the upper open face of groove is covered by runner plate 42.

The

cast gate

54 and 55 that is communicated with the end of the above-mentioned cross gate 51 that branches into two sides and 52 forms in the mode that connects fixed bolster plate 43 downwards respectively.These

cast gates

54 and 55 also form continuously with die

insert

45 and 46, are communicated with cylindric recess 47 and triangle barrel shape recess 48 respectively.

In the structure of this routine said fixing mould 40, as this routine feature structure, more setting (burying underground) in the part of the runner plate 42 of the side of keeping right at the ratio sprue 49 of runner plate 42 has resin flows adjustment part 56.This resin flows adjustment part 56 is made of the parts with pyroconductivity different with the pyroconductivity of the mold component that constitutes fixed die 40 (cavity adaptor plate 41, runner plate 42).

Shape with axial vertical cross section miscellaneous part this resin flows adjustment part 56 forms circle or polygon, covered by heat insulating member 57 around this resin flows adjustment part 56, blocking contacts with mold component (cavity adaptor plate 41, the runner plate 42) that constitute fixed die 40.

And an end of this resin flows adjustment part 56 is connected configuration with resin flow paths portion (being cross gate 51 in this example).About the method that is connected with resin flow paths portion, can be connected with path surface as the inner surface of resin flow paths portion, also can enter in the resin flow paths and connect.This routine resin flows adjustment part 56 is crooked on the direction of intersecting along the direction of die joint 53 with die joint 53, to be connected with cross gate 51.

And, resin flows adjustment part 56 connects to, contacted with the end (from the end that fixed die 40 exposes) that expose resin flows adjustment part 56 by the indivedual temperature adjustment part 39 that constitutes as heater of pyrotoxin etc., this indivedual temperature adjustment part 39 is used to be adjusted into the different temperature of temperature with the mold component that constitutes fixed die 40 (cavity adaptor plate 41, runner plate 42).This resin flows adjustment part 56 is to dispose in order to be adjusted at the resin flow that flows in the resin flow paths portion (being cross gate 51 in this example).

And, in the structure of this fixed die 40,, be connected with an end that disposes bar-shaped porous matter portion 58 in the end of resin flow paths portion (being cross gate 51 in this example) as further this routine feature structure.The other end of porous matter portion 58 is exposed to the exterior lateral sides of fixed bolster plate 43.

This porous matter portion 58 is made of the porous material of pottery or metal.Under the situation of metal, consider corrosion resistance and rigidity, preferably use stainless steels such as SUS316 or SUS304.This porous material is formed with a plurality of continuous empty holes that pass through.The diameter in a plurality of cavities forms the size of 0.02mm～0.05mm.If the size of the diameter of this scope, then air passes through, but molten resin can not enter.

The porous matter portion 58 that is made of this porous material disposes for the interior pressure of adjusting resin flow paths portion (being cross gate 51 in this example).The size of the diameter by suitable setting hole or the quantity in hole can suitably control the interior pressure that will adjust.

In addition, the resin flow paths portion that connected of above-mentioned resin flows adjustment part 56 is not limited to cross gate 51.The suitable position that also can be configured to the mold component (fixed bolster plate 43 and die insert 45) of the suitable formation fixed die 40 crossed with the resin flow of cast gate 54 or die cavity described later 72 is connected.And the configuration of porous matter portion 58 too.

And it is crooked like that resin flows adjustment part 56 is not limited to this example, also can be the writing board shape that an end and the side of the path surface that forms resin flow paths portion are connected configuration.

The opposing party's moveable die 60 is made of core adaptor plate 61, spacer block 62 and moving bolster plate 63.On moving bolster plate 63, surface from it towards below die

insert

65 and 66 are installed in the recess 64 that wears.

Die insert 65 forms cylindric protuberance 67 at central portion, and die insert 66 forms triangle cylindrical projection 68 at central portion.These

protuberances

67,68 form more outstanding to fixed mould 40 sides (

recess

47,48 of fixed bolster plate 43) than the die joint 69 of moving bolster plate 63.

And, on the core adaptor plate 61 of moveable die 60, be kept for supporting not shown knock pin (ejector-pin: 2 liftout plates 71 (71a, 71b) protrudent pin) in mode that can lifting.

In said structure, outer wall by the cylindric protuberance 67 of the die insert 65 of the inwall of the cylindric recess 47 of the die insert 45 of fixed bolster plate 43 sides and moving bolster plate 63 sides around the 1st die cavity 72 constitutes, but the 1st die cavity 72 is and the corresponding space of moulding product that makes the shape that container button cylindraceous comes that is formed by fixed die 40 and dynamic model 60.

And, outer wall by the triangle cylindrical projection 68 of the die insert 66 of the inwall of the triangle barrel shape recess 48 of the die insert 46 of fixed bolster plate 43 sides and moving bolster plate 63 sides around the 2nd die cavity 73 constitutes, but the 2nd die cavity 73 is corresponding spaces of moulding product of the shape of coming with the container button that makes the triangle barrel shape that is formed by fixed die 40 and dynamic model 60.

Above-mentioned

cast gate

54 and 55 is communicated with die

cavity

72 and 73 as the transfer printing portion of these moulding product respectively.And, be communicated in the leg-of-mutton bottom, three angles of the 2nd die cavity 73 respectively and portion 74 is promptly overflowed in the space of additional configurations outside mould cavity part, but being arranged in the die insert 66 of dynamic model 60 with die joint 69 ways of connecting of die insert 66, described the 2nd die cavity 73 is corresponding spaces of moulding product of the shape of coming with the container button that makes the triangle barrel shape.

And, this overflow portion 74 below be provided with an end of bar-shaped porous matter portion 75.Porous matter portion 75 vertically connects die insert 66, and then connects moving bolster plate 63, and the other end of porous matter portion 75 is exposed to so that the spatial portion that moving bolster plate 63 and the opposed mode of liftout plate 71a are formed by spacer block 62.

This porous matter portion 75 also uses the mother metal identical with described porous matter portion 58, forms equally with porous matter portion 58.This porous matter portion 75 disposes for the interior pressure of adjusting the portion of overflowing 74.Under this situation, the size of diameter that also can be by suitably setting the hole or the quantity in hole, the suitably interior pressure that will adjust of control.

But in the structure of said fixing mould 40 and dynamic model 60, from

cast gate

54 and 55 to the molding resin of die

cavity

72 and 73 injection fusions and roller mould is made shape or 2 different moulding product of volume.In this example, the volume of volume ratio the 2nd die cavity 73 of the 1st die cavity 72 is big.

Fig. 3 is the front view of the state when but the die sinking of said fixing mould 40 and dynamic model 60 is shown.

But Fig. 5 only takes out the stereogram that the dynamic model 60 of Fig. 3 is represented.In Fig. 3～Fig. 5, give the numbering identical with Fig. 2 to the structure division identical and illustrate with Fig. 1 with structure illustrated in figures 1 and 2.

Fig. 3～each structural portion shown in Figure 5 has used Fig. 1 and Fig. 2 to be illustrated, so,, omit explanation here to each structural portion, moulding product and moulding product cured resin part in addition only is described.

During die sinking, at first, but dynamic model 60 at die joint 69 from fixed die 40 demouldings, at the 1st die cavity 72 and the 2nd die cavity 73 (seeing figures.1.and.2) but in 2 moulding product cooling off/solidify on the die joint 69 of the moving bolster plate 63 of dynamic model 60, as Fig. 3～shown in Figure 5, show as cylindrical vessel 76 and triangle tube container 77 (all being the shape of buckleing among the figure).

Each bight (with reference to Fig. 5) at the triangle of the opening edge portion (being the bottom among the figure) of triangle tube container 77 is attached with the unnecessary resin that solidifies in the portion of overflowing 74 (with reference to Fig. 4) as flash 78.By these 2 moulding product (cylindrical vessel 76, triangle tube container 77) are lifted upward, thus, they can be fetched into the outside from mould 30 (seeing figures.1.and.2).

And, when the die sinking of mould 30, but fixed die 40 and dynamic model 60 in above-mentioned die joint 69 demouldings, then, as shown in Figure 3 and Figure 4, the runner plate 42 of fixed die 40 and fixed bolster plate 43 are in die joint 53 demouldings.

Thus, the stream cured resin 79 that solidifies in the stream of the sprue 49 of the resin flow paths portion beyond die

cavity

72 and 73,

cross gate

51,52,

cast gate

54,55 comes across the centre that forms each demoulding portion of die joint 69 between runner plate 42 and fixed bolster plate 43.This stream cured resin 79 also can be by extracting and be fetched into the outside from mould 30 from sprue 49,

cast gate

54,55.

Fig. 6 is the figure that the position relation when being present in the mould 30 before mould 30 is fetched into outside cylindrical vessel 76, triangle tube container 77 and stream cured resin 79 mutual taking-ups is shown.In addition, it also shows the flash 78 of triangle tube container 77.

In stream cured resin 79, in the portion of solidifying of the part corresponding with the cross gate 51 of cylindrical vessel 76 sides, it is remaining that an end of resin flows adjustment part 56 (with reference to Fig. 4) enters the recess 81 that the state conduct that is connected with stream in the stream solidifies portion slightly.

The pliers that above-mentioned flash 78 uses are not shown etc. cuts from triangle tube container 77, and is recovered with stream cured resin 79, once more the resin raw material of using as moulding.

In addition, as this example, when resin flows adjustment part 56 is configured to be connected to the resin flow paths portion (cross gate 51) that is communicated with bulky for example the 1st die cavity 72 of volume ratio the 2nd die cavity 73, the temperature of resin flows adjustment part 56 is adjusted to the temperature higher than the mold component of periphery, the mobile height of the molding resin of fusion.

And, when resin flows adjustment part 56 is configured to be connected to the resin flow paths portion (cross gate 52) that is communicated with little for example the 2nd die cavity 73 of the volume of volume ratio the 1st die cavity 72, the temperature of resin flows adjustment part 56 is adjusted to the temperature lower than the mold component of periphery, the molding resin of fusion mobile low.

And then, cooperate with the adjustment of this resin flows adjustment part 56, suitably set the size of diameter in hole of

porous matter portion

58 and 75 or the quantity in hole, adjust the interior pressure in the die cavity (72 or 73).

Fig. 7 illustrates as making to be used for step before the mould 30 of different a plurality of (this example is 2) the moulding product of the above-mentioned cylindrical vessel 76 of moulding, triangle tube container 77 such shapes or volume, and suitably sets the flow chart of the processing of the position of shape (size in hole and the sum in hole), the configuration resin flows adjustment part 56 of configuration

porous matter portion

58 and 75 position, this porous matter portion, the shape of part that is connected resin flows adjustment part 56 in resin flow paths portion and the temperature of resin flows adjustment part 56 etc.

In addition, this processing illustrates to operate by the user processing that simulation program carries out as the computer of application program has been installed.

In Fig. 7, at first, the user sets the position (step S1) that resin flows adjustment part 56 is connected with resin flow paths portion at the mould 30 that is positioned on the memory of computer.In this was handled, resin flow paths portion was

cross gate

51 or 52, cast

gate

54 or 55, die

cavity

72 or 73.

Then, the user sets the shape (step S2) of the part that resin flows adjustment part 56 is connected with resin flow paths portion.In this was handled, the shape of the part that is connected with resin flow paths portion as resin flows adjustment part 56 selected to set arbitrary shape in circle or the polygon more than the triangle with its size.

Then, the temperature of user's part that the resin flows adjustment part 56 of having set above-mentioned position and shape is connected with resin flow paths portion is set (step S3).In this is handled, the caloric value of the not shown pyrotoxin on the end that is not connected with resin flow paths portion that is attached at resin flows adjustment part 56 is set.

Then, the user is communicated with the die cavity (72 or 73) of moulding moulded product in mould 30, sets the position (step S4) of overflowing portion 74.In this is handled, be not limited to Fig. 1 or the leg-of-mutton bight that makes the die cavity 73 of the shape that triangle tube container buckles shown in Figure 4, can set in position.

Then, the user sets the shape (step S5) of overflowing portion 74.In the above-described embodiments, overflow the shape of overflowing the less columnar portion of the encirclement galianconism portion shown in the flash 78 of the corresponding Fig. 6 of the shape of portion 74 and its front end with this that is shaped as of portion 74, but be not limited thereto, can set suitable shape.

Then, the user sets the equipping position (step S6) of porous matter portion (58 or 75) in mould 30.In the porous matter portion 75 that is connected with the portion of overflowing 74, if determined the position of the portion of overflowing 74, then also determined the position of porous matter portion 75 automatically, but, under the situation of the porous matter portion 58 that is connected with resin flow paths portion, so long as the appropriate location of resin flow paths portion then can be set in any part.

Then, the user sets (step S7) to the diameter in the hole of the porous matter portion (58 or 75) that set the position and the sum in hole.Porous material can be made various parts, so, can select suitable material.

After these settings are finished, then, the application program that utilization is installed in the computer is a simulation program, the time till finishing with respect to the injection speed of the flow regime of mould when the injection, injection volume with to injection at the molten resin used of expression moulding, carries out resin flows parsing (step S8).

Then, whether the result that the user observes this simulation program has guaranteed equilibrium in the flowing of the molten resin between each die cavity (being die

cavity

72 and 73 in this example), and deciding could (step S9).If can carry out the filling of the resin of each die cavity in time with same speed, then be judged as and can guarantee equilibrium, if produce deviation in time, then be judged as unbalanced.

If unbalanced (S9: not), then the user returns the processing of step S1, carries out step S1～S9 repeatedly.Then, if the user is judged as equilibrium (S9: be), then end process.

In addition, though in flow chart, do not illustrate, but, resolve in the operation in above-mentioned resin flows, the result who resolves in resin flows illustrates (S9: be, during end process) suitably the time, the position of the porous matter portion that will in the simulation program that this resin flows is resolved, finally use, the diameter in hole, the setting state value of the porous matter portion of sum etc. and the position of resin flows adjustment part, shape, the setting state value of the resin flows adjustment part of temperature etc. is worth as execution, in porous matter portion and resin flows adjustment part, set, by having set the mould 30 of this setting state value, carry out the injection moulding of a plurality of synthetic resins.

Like this, for example such shown in the 1st embodiment, in 2 die cavitys 72 and 73 of difformity or volume, the flow status of molten resin 2 die cavitys 72 and 73 of filling simultaneously via the

cross gate

51 and 52 that branches into two sides from sprue 49 regulated, can make the filling time identical.

Claims

1. injecting molding die, but this injecting molding die can obtain shape or the different respectively a plurality of synthetic resins of volume with shot moulding by a mould that is made of fixed die and dynamic model, it is characterized in that this injecting molding die has:

Porous matter portion, the portion of overflowing of itself and resin flow paths portion or resin is connected with, and constitutes by having a plurality of porous materials that pass through continuous cavity, described overflow portion from moulding product transfer printing portion additional configurations outside this moulding product transfer printing portion; And

The resin flows adjustment part, it is made of the parts with pyroconductivity different with the pyroconductivity of the mold component that constitutes described fixed die, and an end is connected with the part of described resin flow paths portion, and the other end links and is disposed at pyrotoxin.

2. injecting molding die according to claim 1 is characterized in that,

Described resin flows adjustment part links with indivedual temperature adjustment parts, this indivedual temperature adjustment part is used to be adjusted into the temperature different with the temperature of described mold component, disposes described resin flows adjustment part in order to be adjusted at the resin flow that flows in the described resin flow paths portion.

3. injecting molding die according to claim 1 and 2 is characterized in that,

Cover with heat insulating member around the described resin flows adjustment part, blocking contacts with described mold component.

4. injecting molding die according to claim 1 is characterized in that,

Described porous matter portion is made of pottery or metal, in order to adjust described resin flow paths portion or describedly to overflow the interior pressure of portion and dispose described porous matter portion.

5. injecting molding die according to claim 1 is characterized in that,

Described resin flows adjustment part with its axially vertical cross section be shaped as circle or polygon.

6. injecting molding die according to claim 1 is characterized in that,

The diameter in a plurality of described cavities of described porous matter portion is respectively 0.02mm～0.05mm.

7. injection moulding method, but the mould of this injection moulding method by constituting by fixed die and dynamic model, with the shot moulding of carrying out at resin flow paths portion, make the different respectively a plurality of synthetic resins of shape or volume, it is characterized in that this injection moulding method comprises following operation:

Resin flows adjustment part setting state operation, when configuration resin flows adjustment part, set the state of described resin flows adjustment part, described resin flows adjustment part is made of the parts with pyroconductivity different with the pyroconductivity of each mold component of described fixed die, one end of described resin flows adjustment part is connected with the part of described resin flow paths portion, the other end and pyrotoxin link, and the state of described resin flows adjustment part comprises the position that described resin flow paths portion is connected with described resin flows adjustment part, the shape of the coupling part of this resin flows adjustment part and the temperature of coupling part;

Porous matter portion setting state operation, when configuration porous matter portion, set the state of described porous matter portion, but the described resin flow paths portion of described porous matter portion and described fixed die or be connected with in the resin portion of overflowing of the moulding product transfer printing portion of described dynamic model is connected with, described porous matter portion constitutes by having a plurality of porous materials that pass through continuous cavity, and the state of described porous matter portion comprises the diameter in the position that is connected with this porous matter portion and described cavity or sum that should the cavity;

Resin flows is resolved operation, utilization is based on the injection molding simulation program of the setting state value of the setting state value of described resin flows adjustment part setting state operation and described porous matter portion setting state operation, carry out the injection speed of molten resin with respect to the moulding product transfer printing portion of described a plurality of synthetic resins, injection volume, whether guaranteed that to the time of injection till finishing etc. balanced resin flows resolves, the result who resolves in this resin flows represents when inappropriate, change the setting state value of described resin flows adjustment part setting state operation and the setting state value of described porous matter portion setting state operation, carry out the simulation program that resin flows is resolved repeatedly, till the result that this resin flows is resolved represents suitably; And

The injection moulding operation, resolving result that the resin flows of operation resolves in this resin flows represents when suitable, the setting state value of the setting state value of the described resin flows adjustment part setting state operation that will use in the simulation program that this resin flows is resolved and described porous matter portion setting state operation is worth as execution, carries out the injection moulding based on described a plurality of synthetic resins of described mould.