CN103079789B - Mold for foam molding and the foam molding using this mold for foam molding to be shaped - Google Patents
Mold for foam molding and the foam molding using this mold for foam molding to be shaped Download PDFInfo
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- CN103079789B CN103079789B CN201180042093.9A CN201180042093A CN103079789B CN 103079789 B CN103079789 B CN 103079789B CN 201180042093 A CN201180042093 A CN 201180042093A CN 103079789 B CN103079789 B CN 103079789B
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- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Problem of the present invention is to provide the mold for foam molding being easy to the demoulding and the foam molding using this mold for foam molding to be shaped.In addition, the mold for foam molding can seeking to improve formability and circulation speedup and the foam molding using the shaping of this mold for foam molding are provided.This mold for foam molding is for heating to the foaminess resin particle be filled in the formingspace that formed by finishing die the mold for foam molding forming foam molding, wherein, be formed at one end to other end gamut continuous print groove portion in the subject area of the forming face of the finishing die of the above-mentioned formingspace of formation, this groove portion is arranged in a direction with constant interval.
Description
Technical field
The foam molding that the present invention relates to the mold for foam molding for heating the foam molding that is shaped to the foaminess resin particle be filled in formingspace and use this mold for foam molding to be shaped.
Background technology
Usually, foam molding is manufactured by following illustrated manufacture method.First, preparation foaming is carried out to resin particle, obtains foaminess resin particle.Then, obtained foaminess resin particle is filled in mold for foam molding (following, also referred to as mould).Then, utilize steam to heat the foaminess resin particle be filled in mould, make it foam once again, form foam molding.In mould, use cooling water etc. to cool formed foam molding.Then, by making cooled foam molding obtain foam molding (for example, referring to patent document 1 paragraph 0003) from mold releasability.
But, in the foam molding establishing part etc. to use in automobile, in recent years, carry out having by forming on the surface of foam molding the way that concavo-convex etc. decorative pattern improves appearance value.And then, the mold for foam molding (Fig. 3, Fig. 4 for example, referring to patent document 2) had for the formation of this foam molding is proposed.Specifically, propose there is the concavo-convex corresponding concavo-convex mold for foam molding had on the forming surface with the surface being formed at foam molding.
By being formed concavo-convex in the forming face of mold for foam molding, can be formed concavo-convex on the surface of foam molding, and the contact area that can increase between foam molding and cooling water (or cooling air), can improve cooling effectiveness (Fig. 3 for example, referring to patent document 2).
prior art document
patent document
Patent document 1: Japanese Unexamined Patent Publication 11-343360 publication
Patent document 2: Japanese Unexamined Patent Publication 2005-88442 publication
Summary of the invention
the problem that invention will solve
The mold for foam molding of above-mentioned patent document 2 is formed with multiple independently recess in the mode separating predetermined distance on direction in length and breadth on the forming surface.Therefore, when foaming and molding, the protuberance in foam molding is nipped the state of the above-mentioned independently inner side of multiple recess.Its result, makes foam molding from the stripping process of mold releasability, and between recess and protuberance, produce friction, protuberance becomes larger resistance, produces foam molding and is difficult to from the such adverse consequences of mold releasability.
In addition, concavo-convex by being formed in the forming face of mold for foam molding, although can cooling effectiveness be improved, also there is adverse consequences as follows.
Be formed at the protuberance of the forming face being formed at mold for foam molding, such as, through hole for steam, cooling water (or cooling air) are supplied to (in die cavity) in mould.This through hole has opening portion in the upper end of protuberance.So, in mould, supply steam etc. from the upper end open portion of protuberance by this through hole.Be supplied to the steam cooling in mould and become water, this hydropexis is in recess.Be stranded in the shipwreck of this recess to move to the upper end open portion being positioned at the protuberance located by the top than the end of recess.
Therefore, the shipwreck of delay is discharged with the outside to mould, thus causes water to residue in mould.So, if water residues in mould, then upper be once shaped time cannot fully foaminess resin particle be filled in mould, produce formability and to decline such problem.
Can seek to solve this problem by adopting the cooling processing of being undertaken by cooling air instead of cooling water.But cooling air cooling effectiveness compared with cooling water is lower, in cooling procedure, need the longer time.Therefore, the such problem of circulation speedup cannot sought when manufacturing foam molding is produced.
So the 1st problem of the present invention is to provide the mold for foam molding being easy to the demoulding and the foam molding using this mold for foam molding to be shaped.
In addition, the 2nd problem of the present invention is to provide the mold for foam molding can seeking to improve formability and circulation speedup and the foam molding using this mold for foam molding to be shaped.
for the scheme of dealing with problems
In order to solve above-mentioned 1st problem, the mold for foam molding of the 1st technical scheme of the present invention is the mold for foam molding for heating the foam molding that is shaped to the foaminess resin particle be filled in the formingspace that formed by finishing die, wherein, the subject area of forming face of the finishing die forming above-mentioned formingspace be formed with constant interval be arranged in a direction, in the gamut continuous print groove portion from one end to the other end.
Adopt said structure, such as, different from the nip structure of independently multiple recess of foam molding, the ridge of the groove portion internal shaping formed continuously at the gamut from one end of subject area to the other end can not become larger resistance because of the contact between groove portion.And due to when by the foam molding demoulding, air passes through in one end of subject area to the gamut continuous print groove portion of the other end, and therefore air is easy to propagate equably between the region corresponding with above-mentioned subject area and mould of foam molding.Thus, be easy to produce gap between mould and foam molding, therefore, it is possible to carry out the demoulding of foam molding swimmingly.And, because groove portion is arranged in a direction with constant interval, therefore do not have foam molding yet and be difficult to situation such from mould separating partly.Subject area refers to and utilizes the foam molding of die forming to be difficult to the position of the demoulding from finishing die, that is, user expects the position being easy to the demoulding.
At this, preferably, in the mold for foam molding of the 1st technical scheme of the present invention, have the 2nd groove portion, the 2nd groove portion is to be arranged in one side to different other directions with constant interval from the mode that above-mentioned groove portion intersects.
Adopt this mold for foam molding, when the foam molding demoulding after foaming and molding, the air of the demoulding can be made to disperse more equably.Therefore, it is possible to carry out the demoulding of foam molding further swimmingly.
In addition, preferably, in the mold for foam molding of the 1st technical scheme of the present invention, be provided with the steam chamber at least importing heat medium and cooling medium, be formed with the through hole be communicated with formingspace by this steam chamber at above-mentioned finishing die, form above-mentioned groove portion accordingly with the formation spacing of this through hole.
Adopting this mold for foam molding, via through hole, the air of the foam molding demoulding can being supplied to forming face equably by being used for.
In addition, preferably, in the mold for foam molding of the 1st technical scheme of the present invention, above-mentioned groove portion is formed through above-mentioned through hole.
Adopt this mold for foam molding, can make to utilize groove portion to provide the air via through hole supply to become easy equably to forming face.
In addition, preferably, in the mold for foam molding of the 1st technical scheme of the present invention, the cross section in above-mentioned groove portion is formed as the shape along with going to the top narrowed to narrow towards depth direction.
Such as, when be formed at the ridge in groove portion be top there is the shape in bight, there is bight card and be hung on mould (inner surface in groove portion) and the situation being difficult to carry out the demoulding.But if the shape making the cross section in groove portion be formed as along with going to the top narrowed to narrow towards depth direction as described above, then the local (ridge) of foam molding can not be blocked and is hung on mould (inner surface in groove portion).Therefore, it is possible to the resistance during demoulding suppresses less by respective degrees ground.Thereby, it is possible to carry out the demoulding of foam molding further swimmingly.
In order to solve above-mentioned 2nd problem, the mold for foam molding of the 2nd technical scheme of the present invention is provided with the steam chamber at least importing heat medium and cooling medium, and this mold for foam molding imports heat medium in this steam chamber and cooling medium and carry out heating and cooling to the mold for foam molding of the foam molding that is shaped for utilizing to the foaminess resin particle be filled in the formingspace that formed by finishing die, wherein, this finishing die is formed with the through hole be communicated with formingspace by above-mentioned steam chamber, be formed in the subject area of the forming face of above-mentioned finishing die and be arranged in a direction, in this subject area from one end to the gamut continuous print groove portion of the other end.
Adopt this mold for foam molding, be easy to make to be supplied to via through hole the groove portion that the cooling water in finishing die formed continuously via one end to the gamut of the other end of the subject area in forming face from steam chamber and spread to the subject area of forming face equably.Therefore, it is possible to seek to improve cooling effectiveness, can seek by shortening the circulation speedup brought cool time.Subject area refer to improve foam molding cooling effectiveness, seek to improve the position of the discharge of the water produced because of cooling processing by shortening the cool time circulation speedup brought and also considering.This subject area both can be whole of finishing die, also can be the local of finishing die.
At this, preferably, in the mold for foam molding of the 2nd technical scheme of the present invention, have the 2nd groove portion, the 2nd groove portion is to be arranged in one side to different other directions from the mode that above-mentioned groove portion intersects.
Adopt this mold for foam molding, cooling water is easy to spread in the subject area of forming face equably more.Therefore, it is possible to seek circulation speedup further.
In addition, preferably, in the mold for foam molding of the 2nd technical scheme of the present invention, above-mentioned through hole is formed in above-mentioned groove portion or the 2nd groove portion.
In addition, preferably, in the mold for foam molding of the 2nd technical scheme of the present invention, above-mentioned through hole is formed between above-mentioned groove portion.
Adopt this mold for foam molding, cooled water (except cooling water, also comprising the water of steam cooling and formation) is easy to discharge from through hole to the steam chamber finishing die.Thus, shipwreck is to be stranded in finishing die.Therefore, upper be once shaped time, foaminess resin particle in finishing die fillibility improve, formability improve.In addition, because shipwreck is to be stranded in finishing die, therefore, it is possible to adopt water-cooled process energetically.Thereby, it is possible to seek further by shortening the circulation speedup brought cool time.
the effect of invention
As mentioned above, adopt the 1st technical scheme of the present invention, can utilize and seek to the gamut continuous print groove portion of the other end to improve formability and circulation speedup in one end of the subject area of forming face.
In addition, adopt the 2nd technical scheme of the present invention, subject area due to the forming face at finishing die is formed at one end to the gamut continuous print groove portion of the other end, and this groove portion is arranged in a direction with constant interval, and therefore air is easy to propagate to forming face equably by groove portion.Thereby, it is possible to carry out the demoulding of foam molding swimmingly.
Accompanying drawing explanation
Fig. 1 is the mold for foam molding for the foam molding that is shaped, and (a) is longitudinal section, and (b) is the top view (upward view) of the finishing die in left side.
Fig. 2 is about to close the stereogram being installed on the state of the lid in the tool box (foam molding of the first embodiment) of vehicle.
Fig. 3 is the enlarged drawing of the upper surface of the flange part in same tool box, and (a) is stereogram, and (b) is top view, and (c) is longitudinal section.
Fig. 4 is the longitudinal section of the lower vehicle with impact absorbing pad (foam molding of the second embodiment).
The (a) and (b) of Fig. 5, (c) are the longitudinal sections of the mold for foam molding (specifically, the finishing die in left side) of other embodiments.
The (a) and (b) of Fig. 6, (c) are the longitudinal sections of the foam molding utilizing the mold for foam molding of Fig. 5 (specifically, the finishing die in left side) to be formed separately.
Fig. 7 is the mold for foam molding (specifically, the finishing die in left side) of other embodiments of the position changing through hole, and (a) is the top view (upward view) of the finishing die in left side, and (b) is the longitudinal section of the finishing die in left side.
Fig. 8 is the enlarged drawing of the foam molding of other embodiments only arranging ridge in one direction, and (a) is stereogram, and (b) is top view, and (c) is longitudinal section.
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings of an embodiment of mold for foam molding of the present invention (following, also referred to as " mould ").
As shown in the (a) and (b) of Fig. 1, mould 11 has relative 1 group of die main body 12,13.Configuration forms the finishing die 12A of die main body 12 and forms the finishing die 13A of die main body 13 in an opposing fashion.Then, by making finishing die 12A, 13A of left and right form the formingspace of filling for foaminess resin particle S at front-surface side (opposite face side) phase matched moulds in mould 11.In addition, the mould 11 shown in (a) of Fig. 1 is the horizontal moulds at the upper opening and closing 1 group of die main body 12,13 of left and right directions (horizontal direction), but also can be the vertical mould of the 1 group of die main body of opening and closing in the vertical direction.In addition, in (a) of Fig. 1, the finishing die 13A on right side is tabular, but also can utilize the finishing die forming shaped space of the box identical with the finishing die 12A in left side.
In the die main body 12 in left side, the rear side of liner plate 12B drape forming mould 12A and be formed with steam chamber 12a.That is, steam chamber 12a is formed by finishing die 12A and liner plate 12B.Similarly, in the die main body 13 on right side, also form steam chamber 13a by finishing die 13A and liner plate 13B.
The respective end side (lower end side) of the steam supply pipe 21 be connected with steam chamber 12a, cooling water supply pipe 22 and compressed air supply pipe 23 is fixed on this upper plate portion 12b with the state separating predetermined distance and run through the upper plate portion 12b of the liner plate 12B of the die main body 12 in left side.Open and close valve 21V, 22V, 23V is provided with in the midway of above-mentioned steam supply pipe 21, cooling water supply pipe 22 and compressed air supply pipe 23.Cooling water supply pipe 22 has extension 22A, and this extension 22A extends near lower board unit 12c described later from upper plate portion 12b.This extension 22A direction separates predetermined distance and is formed with opening 22a for supplying cooling water stretching out.Although not shown, but be also fixed with the steam supply pipe 21, cooling water supply pipe 22 and the compressed air supply pipe 23 that are respectively equipped with open and close valve 21V, 22V, 23V at the die main body 13 on right side.
In addition, bleeder pipe 24 and the respective end side (upper end side) of vacuum feed pipe 25 that is connected with vacuum plant are fixed on this lower board unit 12c with the state separating predetermined distance and run through the lower board unit 12c of the liner plate 12B of the die main body 12 in left side.Open and close valve 24V, 25V is provided with in the midway of above-mentioned bleeder pipe 24 and vacuum feed pipe 25.Although not shown, but be also fixed with the bleeder pipe 24 and vacuum feed pipe 25 that are respectively equipped with open and close valve 21V, 22V, 23V at the die main body 13 on right side.
The enlarged drawing of the forming face (bottom surface the wall in forming shaped space) when (b) of Fig. 1 is the finishing die 12A observing box from steam chamber 12a side.Finishing die 12A forming face 12K(namely, bottom surface) predetermined portion (following, also referred to as subject area) be formed with many articles of the 1st groove portion M1, these many articles the 1st groove portion M1 extend continuously on a direction (specifically, above-below direction).In addition, many articles of the 2nd groove portion M2 are formed in subject area, the degree of depth (highly) of these many articles the 2nd groove portion M2 is identical with the degree of depth (highly) of the 1st groove portion M1, and extends continuously on other direction (specifically, fore-and-aft direction) in the mode orthogonal with the 1st groove portion M1 phase.In addition, fore-and-aft direction refers to and left and right directions and the mutually orthogonal direction of above-below direction.
Many articles the 1st groove portion M1 arranges ((b) with reference to Fig. 1) in the mode separating constant interval P1 in the longitudinal direction.In addition, many articles of the 2nd groove portion M2 are to separate constant interval P2(in the vertical direction in the present embodiment, P1=P2) mode arrange (with reference to (b) of Fig. 1).Above-below direction refers to the direction identical with the above-below direction of paper.In addition, fore-and-aft direction to refer in (a) of Fig. 1 relative to paper vertically from surface towards the direction at the back side.The respective interval of many articles of the 1st groove portion M1 and the 2nd groove portion M2 is preferably determined in the mode improving cooling effectiveness.In addition, self-evident, the interval between all groove portions may not be constant interval.In addition, in the present embodiment, the 1st groove portion M1 is orthogonal with the 2nd groove portion M2 phase, but improves cooling effectiveness etc. to seek, and the 1st groove portion M1 and the 2nd groove portion M2 also can be formed as extending along different directions.Such as, the 1st groove portion M1 and the 2nd groove portion M2 also can be formed as intersecting obliquely according to the shape etc. of formed products (foam molding) and non-orthogonally intersect.
At this, subject area is set in the scope for the effect desired by acquisition.That is, such as, improving release property for obtaining, improving cooling effectiveness and improving the position setting subject area of the effect desired by the users such as formability.Thus, as shown in (a) of Fig. 1, without the need to only determining subject area at a mould (finishing die 12A) with the relative face (that is, forming face 12K) of another mould (finishing die 13A).That is, can certainly in setting subject area such as the upper wall surface of the forming face of finishing die 12A, lower wall surfaces.In addition, also in the whole region of each wall of the forming face of formation finishing die 12A, or subject area can be set in regional area, also can in multiple position setting subject area.In addition, such as, when the whole region setting subject area of the forming face of finishing die 12A, the 1st groove portion M1 of each wall end each other or the 2nd groove portion M2 end each other both can be continuous mutually, also can be discontinuous.Filling-foam resin particle S in the formingspace formed by finishing die 12A, 13A of forming as described above.Then, by heating and the foam molding that is shaped the foaminess resin particle S filled.The (a) and (b) of multiple 1st ridge 8T1 described later and the 2nd ridge 8T2(reference Fig. 3, (c) is formed in a projecting manner) on the surface of the foam molding of this shaping.
In addition, be formed with the 1st through hole 12K1 in the bottom surface of the 1st groove portion M1 of finishing die 12A, the 1st through hole 12K1 is used for the steam be directed into via steam supply pipe 21, cooling water supply pipe 22, compressed air supply pipe 23 and bleeder pipe 24 in above-mentioned steam chamber 12a, cooling water (or cooling air) to supply to formingspace (die cavity).In addition, the 2nd identical through hole 12K2 is formed with in the bottom surface of the 2nd groove portion M2 of finishing die 12A.The 1st through hole 12K1 is made to be formed as separating constant interval P1 in the longitudinal direction in the same manner as the 1st groove portion M1 by being formed at by the 1st through hole 12K1 in each 1st groove portion M1.On the other hand, the 2nd through hole 12K2 is made to be formed as separating constant interval P2 in the vertical direction in the same manner as the 2nd groove portion M2 by being formed at by the 2nd through hole 12K2 in each 2nd groove portion M2.In addition, than circular, also can be oval, tetragonal etc., also can be the slit-shaped of lengthwise to the shape of the 1st through hole 12K1 and the 2nd through hole 12K2.In addition, in the present embodiment, illustrate the 1st through hole 12K1 and be only formed with 1 in each 1st groove portion M1, the 2nd through hole 12K2 is only formed with the situation of 1 in each 2nd groove portion M2, but also can be formed as two or more.In addition, the 1st through hole 12K1, except being formed at except in each 1st groove portion M1, also can be formed with more than 1 in the 1st groove portion M1 of 1.Or, also can be formed with more than 1 in the 1st groove portion M1 of 2.Or, also can be formed with more than 1 in the 1st groove portion M1 specified selected randomly.In addition, the 2nd through hole 12K2 too, also can at the 2nd through hole 12K2 being formed with more than 1 in the 2nd groove portion M2 of 1.Or, also can at the 2nd through hole 12K2 being formed with more than 1 in the 2nd groove portion M2 of 2.Or, the 2nd through hole 12K2 of more than 1 also can be formed in the 2nd groove portion M2 specified selected randomly.Certainly, also the through hole same with the 1st through hole 12K1 and the 2nd through hole 12K2 can be formed with by the crossover location between the 1st groove portion M1 with the 2nd groove portion M2.In addition, at this, also there is the diameter of the 1st through hole 12K1 or the 2nd through hole 12K2 than the width of the 1st groove portion M1 or the 2nd groove portion M2, even large than the spacing P1 of the 1st groove portion M1 or the 2nd groove portion M2 or P2 situation.In this case, as long as make a part of the 1st through hole 12K1 or the 2nd through hole 12K2 be formed at the inner side of at least one of the 1st groove portion M1 or the 2nd groove portion M2.1st through hole 12K1 relative to the position of the 2nd groove portion M2 relative to the position of the 1st groove portion M1 and the 2nd through hole 12K2, such as, both can separate constant interval P2 as described above and have regularity, also can be formed randomly.Certainly, on the finishing die 13A of the die main body 13 on right side, also can at least make through hole have regularity, or be formed randomly.
At this, preferably the degree of depth of the 1st groove portion M1 and the 2nd groove portion M2 is below 1mm, is more preferably below 0.3mm.In addition, preferably the interval P1 of the 1st groove portion M1, M1 and the interval P2 of the 2nd groove portion M2, M2 is 2mm ~ 50mm, is more preferably below 30mm (except zero).As described above set interval P1 and P2, can make foam molding from mould 11(specifically, the finishing die 12A in left side) release property better.Many articles of the 1st groove portion M1 both can be identical with the degree of depth of the 2nd groove portion M2, also can completely or only local is different.Many articles of the 1st groove portion M1 both can be identical with the width of the 2nd groove portion M2, also can completely or only local is different.
And, as mould 11(specifically, the finishing die 12A in left side) preparation method be not particularly limited, can other preparation methods such as machining be used.As mentioned above, because the degree of depth of the 1st groove portion M1 and the 2nd groove portion M2 is more shallow, therefore as mould 11(specifically, the finishing die 12A in left side) preparation method, preferably use etching and processing.By using such processing method, the free degree of design can not only be increased, also precision can form the forming face of the mould of complicated shape preferably.
Then, illustrate centered by the die main body 12 in left side and use the mould 11 that formed as described above to be shaped the process of foam molding.In addition, the mould 11 shown in Fig. 1 is the concept maps for illustration of the 1st groove portion M1, the 2nd groove portion M2, the 1st through hole 12K1 and the 2nd through hole 12K2, is not the form figure consistent with following illustrated foam molding.
First, by making the opposite side phase matched moulds of finishing die 12A, 13A and forming shaped space.Use not shown filling device to filling-foam resin particle S in the formingspace formed.Then, heat in the following order.First, by making the open and close valve 21V of die main body 12 be in open state, steam is supplied from steam supply pipe 21 to the steam chamber 12a of die main body 12.Now, the bleeder pipe (not shown) of open mold main body 13.Then, be supplied to appearance (back of the body) face of the steam in the steam chamber 12a of die main body 12 to the finishing die 12A of die main body 12 and heat, and be supplied in formingspace by the 1st through hole 12K1 of finishing die 12A and the 2nd through hole 12K2.Be supplied to the steam in formingspace is directed to finishing die 13A steam chamber 13a via the through hole (not shown) of the finishing die 13A of die main body 13.Then, be fed to the steam in steam chamber 13a to discharge to the outside of die main body 13 via the bleeder pipe (not shown) of die main body 13.Then, the open and close valve 21V of closing molding main body 12, open bleeder pipe 24.Further, the bleeder pipe (not shown) of closing molding main body 13, the open and close valve (not shown) of open mold main body 13.Then, steam is supplied from the steam supply pipe (not shown) of die main body 13 to steam chamber 13a.The back side of steam to finishing die 13A be supplied in steam chamber 13a is heated, and is supplied in formingspace by the through hole (not shown) of finishing die 13A.Be supplied to the steam in formingspace is directed to finishing die 12A steam chamber 12a via the 1st through hole 12K1 of finishing die 12A and the 2nd through hole 12K2.Be imported into the steam in steam chamber 12a to discharge to the outside of die main body 12 via the bleeder pipe 24 of die main body 12.Finally, the bleeder pipe 24 of closing molding main body 12, that is, make the bleeder pipe of the bleeder pipe 24(die main body 13 of the die main body 12,13 of both sides not shown) be in the state of closedown.Then, the open and close valve of the open and close valve 21V(die main body 13 of the die main body 12,13 of open both sides is not shown), supply steam from steam supply pipe 21 to steam chamber 12a, 13a.The outer surface of the steam be supplied to finishing die 12A, 13A heats, and is supplied in formingspace by the 1st through hole 12K1 of finishing die 12A, the through hole (not shown) of the 2nd through hole 12K2 and finishing die 13A.Thus, the foaminess resin particle S be filled in formingspace is heated again.
After heating terminates, the open and close valve of the open and close valve 22V(die main body 13 of the die main body 12,13 of open both sides is not shown).Then, cooling water is sprayed from the opening 22a of extension 22A to finishing die 12A, 13A, finishing die 12A, 13A are cooled.Now, a part for cooling water enters into (that is, the inside of formingspace) between finishing die 12A, 13A via the 1st through hole 12K1, the 2nd through hole 12K2 of die main body 12 and the through hole of die main body 13.Thereby, it is possible to promote the cooling of foam molding.Foam molding starts to shrink by cooling.Thus, gap is formed at foam molding and between finishing die 12A, 13A.Cooling water flows into the 1st groove portion M1 and the 2nd groove portion M2 via this gap and is easy to, to subject area diffusion, this improves the cooling effectiveness of foam molding.
After the cooling undertaken by cooling water terminates, then, the open and close valve opening the open and close valve 23V(die main body 13 of the die main body 12,13 of both sides is not shown).Then, compressed air is supplied from compressed air supply pipe 23 to steam chamber 12a, 13a.Be supplied to the compressed air in steam chamber 12a, 13a and be supplied to (that is, in formingspace) between finishing die 12A, 13A via the through hole of the 1st through hole 12K1, the 2nd through hole 12K2 and finishing die 13A.The through hole of the cooling water be stranded in finishing die 12A to the 1st through hole 12K1, the 2nd through hole 12K2 and finishing die 13A guides via foam molding and the gap between finishing die 12A, 13A by the compressed air be supplied in formingspace.Thus, cooling water is discharged to steam chamber 12a, 13a of finishing die 12A, 13A via the through hole of the 1st through hole 12K1, the 2nd through hole 12K2 and finishing die 13A.The cooling water of discharging to steam chamber 12a, 13a is discharged respectively to the outside of die main body 12,13 via the bleeder pipe 24 of left and right.This compressed air also has the effect making foam molding finishing die 12A, 13A demoulding.
Then, decompression refrigerating work procedure is carried out.In decompression refrigerating work procedure, the open and close valve of the open and close valve 24V(die main body 13 of the bleeder pipe 24 of the die main body 12,13 in closedown both sides is not shown) after, the open and close valve of open open and close valve 25V(die main body 13 is not shown).Then, utilize in vacuum feed pipe 25 couples of steam chambers 12a, 13a and reduce pressure.Thus, remain in the moisture in steam chamber 12a, 13a, be attached to the evaporation of the moisture contained by inside of the moisture of the foam molding of shaping or the foam molding of shaping, complete decompression refrigerating work procedure.Now, utilize evaporation with moisture and the evaporation latent heat that produces to promote the cooling of foam molding.Afterwards, separating shaped mould 12A, 13A, open mould 11, and the open and close valve of the open and close valve 23V(die main body 13 of open mold main body 12,13 is not shown).Then, will be used for making foam molding not shown from the compressed air supply pipe of the compressed air supply pipe 23(die main body 13 of die main body 12,13 from the compressed air (air) of finishing die 12A, 13A demoulding) supply to steam chamber 12a, 13a.Thus, compressed air (air) is supplied between finishing die 12A, 13A and foam molding via the through hole (through hole of finishing die 13A is not shown) of the 1st through hole 12K1, the 2nd through hole 12K2 and finishing die 13A, makes foam molding from finishing die 12A, 13A demoulding.Then, take out foam molding between finishing die 12A, 13A, fulfil assignment.Certainly, also stripper pin can be set at mould, and use compressed air (air) make the foam molding demoulding and take out this foam molding simultaneously.In addition, also can only utilize stripper pin to make the foam molding demoulding and to take out this foam molding.
As mentioned above, adopt the mould 11 of present embodiment, 1st through hole 12K1 and the 2nd through hole 12K2 is used as the hole of gateway, and this hole is used for the steam carrying out foaminess resin particle heating, supplies to mould inside the cooling water (or cooling air) that the foam molding after firm foaming and molding carries out cooling.Therefore, the steam supplied via the 1st through hole 12K1 and the 2nd through hole 12K2, cooling water are easy to spread in the subject area of forming face along the 1st groove portion M1 formed continuously and the 2nd groove portion M2.And, because any direction from forming face can both supply steam, cooling water equably, therefore, it is possible to improve formability and cooling effectiveness.
In addition, the water that the steam in formingspace cools and produces in refrigerating work procedure, cooling water are stranded in mould 11 inside (specifically, formingspace).The water of this delay, cooling water via the 1st through hole 12K1 that formed corresponding to the 1st groove portion M1 and with corresponding the 2nd through hole 12K2 formed of the 2nd groove portion M2 rapidly and reliably discharge from formingspace.Thereby, it is possible to prevent hydropexis at mould 11(specifically, die main body 12) in.Its result, on carrying out once foaming and molding operation time, can not because being trapped in mould 11(specifically, die main body 12) in water and hinder the filling of foaminess resin particle.Thereby, it is possible to reliably carry out filling operation, can seek to improve formability.And, owing to can not produce at mould 11(specifically, die main body 12) the such problem of interior occluded water, therefore, it is possible to adopt the water-cooled process undertaken by water-cooled water energetically.Its result, can seek the cooling effectiveness improving foam molding, can seek the circulation speedup brought by the shortening time.
In addition, owing to being formed with the 1st through hole 12K1 in the 1st groove portion M1, in the 2nd groove portion M2, the 2nd through hole 12K2 is formed with, therefore, it is possible to directly supply compressed air (air) to the 1st groove portion M1 and the 2nd groove portion M2.Thus, compressed air (air) spreads equably easily through groove portion M1, M2 in the subject area of forming face.Therefore, it is possible to carry out the demoulding of foam molding swimmingly.And, because mould 11 is compressed air (air) by the structure in two the 1st groove portion M1 in different directions and the 2nd groove portion M2, therefore, when the foam molding demoulding after foaming and molding, compressed air (air) can be made to disperse equably in the subject area of forming face.Thereby, it is possible to carry out the demoulding of foam molding more swimmingly.
Indicate the foam molding utilizing such mould 11 foaming and molding in figs. 2 and 3.In addition, expansion ratio suitably can change according to application target.In fig. 2, as an example of foam molding, the tool box 1 being equipped on vehicle is illustrated.This tool box 1 has the flange part 6 of rectangular box main body 5 and ring-type, and this box main body 5 has 3 incorporating sections 2,3,4, and this flange part 6 is formed at the upper end of box main body 5.Then, tool box 1 is by being placed in the roughly U-shaped of car body side by flange part 6 and the upper surface 9A of metal frame component 9 and being supported.In addition, tool box 1 has the lid 7 of tabular, and this lid 7 is for covering the upper surface of above-mentioned box main body 5.Be formed with tabular in the outer peripheral edge of this lid 7 and abutting member 7A in the form of a ring, this abutting member 7A contacts with the upper surface of box main body 5.
In addition, foam molding can be made with arbitrary foaminess resin material.Such as, even in foaminess resin material, to be also preferably shaped foam molding with thermoplastic resin.In above-mentioned thermoplastic resin, there are polystyrene resins, polyolefin resin (such as, polypropylene-based resin, polythylene resin), polyester resin (such as, PETG, polybutylene terephthalate (PBT), PEN), polycarbonate resin, polylactic acid resin etc.Wherein, preferably the compound resin comprising polystyrene and polyethylene is used as foaminess resin material.
The upper surface 8A of (rectangle) outer peripheral edge in the upper surface of the level in above-mentioned tool box 1 is the position corresponding with the subject area of the forming face of above-mentioned mould 11.As shown in the (a) and (b) of Fig. 2 and Fig. 3, (c), this upper surface 8A is formed multiple 1st ridge 8T1, and the plurality of 1st ridge 8T1 gives prominence to upward than this upper surface 8A, and in straight line shape, ground extends in the lateral direction.And, multiple 2nd ridge 8T2 is formed at this upper surface 8A, the plurality of 2nd ridge 8T2 gives prominence to as height is highly identical with the 1st ridge 8T1 upward than upper surface 8A, and extends in straight line shape in the longitudinal direction in the mode orthogonal with the 1st ridge 8T1 phase.Multiple 1st ridge 8T1 arranges in the mode separating constant interval P1 in the longitudinal direction.In addition, multiple 2nd ridge 8T2 arranges in the mode separating constant interval P2 in the lateral direction.In addition, the cross sectional shape of the 1st ridge 8T1 and the 2nd ridge 8T2 is formed as the shape of going to the top narrowed to narrow towards tip side.Specifically, the cross sectional shape of the 1st ridge 8T1 and the 2nd ridge 8T2 is formed as (being made up of the trim line of acute angle) general triangular of the profile with acute angle.
Thus, when closing cap 7, utilize the weight of lid 7 the abutting member 7A of lid 7 to be pressed on the upper surface 8A in tool box 1.Thereby, it is possible to utilize the 1st ridge 8T1 and the 2nd ridge 8T2 stability to support abutting member 7A preferably.In addition, because the cross sectional shape of the 1st ridge 8T1 and the 2nd ridge 8T2 is formed as general triangular, because this reducing the contact area of the 1st ridge 8T1 and the 2nd between ridge 8T2 and abutting member 7A.Therefore, it is possible to make the 1st ridge 8T1 and the 2nd ridge 8T2 contact with abutting member 7A rightly.Thus, produce anchoring effect, make the lid 7 of upside be difficult to move relative to tool box 1.In addition, also can prevent because abutting member 7A to produce the situation of different sound with tool box 1 phase friction.
Usually, stick-slip phenomenon can be utilized illustrate the mechanism (mechanism of ring) producing different sound (ring).This stick-slip phenomenon is, when two objects with bear load and the state of mutually pushing keep in touch relatively move time, alternately produce attachment and slip on the surface of above-mentioned object, thus the phenomenon of obstruction two object relative movements smoothly.Appear in object by producing such phenomenon and cause vibration (frictional vibration), the phenomenon of sounding.That is, can think an object repeat to slide relative to another (the other side) object after attachment, such movement in small, broken bits of sliding after attachment, thus produce ring.1st ridge 8T1 and the 2nd ridge 8T2 is very effective for this phenomenon.
Particularly form multiple 1st ridge 8T1 and multiple 2nd ridge 8T2 in mutually orthogonal mode as described above, thus the frame portion at the besieged ring-type in four sides (rectangular-shaped) can be formed with the state that the direction is all around connected.Thereby, it is possible to improve the form trait intensity of the 1st ridge 8T1 and the 2nd ridge 8T2.Therefore, it is possible to effectively prevent different sound and position skew.
In addition, also the 1st ridge 8T1 and the 2nd ridge 8T2 can be formed with at the lower surface 6A of flange part 6.In this case, such as, can prevent from causing tool box 1 relative to the situation of metal frame component 9 movement because of vibration in the traveling of vehicle etc.Thereby, it is possible to prevent because the lower surface 6A of flange part 6 rubs with the upper surface 9A phase of frame component 9 and produce the situation of different sound.In addition, also the 1st ridge 8T1 and the 2nd ridge 8T2 can be also formed with at the lower surface 5A of the box main body 5 contacted by the car body member of formation 10 shown in the double dot dash line of Fig. 2.In this case, can prevent from causing tool box 1 relative to the situation of car body member of formation 10 movement because of vibration in the traveling of vehicle etc.Thereby, it is possible to prevent the lower surface 5A because of box main body 5 from producing the situation of different sound with car body member of formation 10 phase friction.
In addition, the 1st ridge 8T1 and the 2nd ridge 8T2 is the lower ridge of height of height below 1mm.Therefore, in fig. 2, the 1st ridge 8T1 and the 2nd ridge 8T2 is represented with line.In addition, in the (a) and (b), (c) of Fig. 3,1st ridge 8T1 and 2nd ridge 8T2 is significantly represented with enlarged drawing in order to the shape of clear and definite 1st ridge 8T1 and the 2nd ridge 8T2.
But the surface in the foam molding be likely shaped heating the foaminess resin particle be filled in mould (formingspace) because of the particle diameter of foaminess resin particle, the fluctuation of expansion density etc. and tool box 1 produces tortoise plastron decorative pattern.Even when to produce as described above have a tortoise plastron decorative pattern, also can as described above at tool box 1(foam molding) upper surface form the 1st ridge 8T1 and the 2nd ridge 8T2 and that tortoise plastron decorative pattern is difficult to is noticeable.Thereby, it is possible to obtain the tool box 1 of design excellence, commodity value can be improved.In addition, even at tool box 1(foam molding) surface with scar, the 1st ridge 8T1 and the 2nd ridge 8T2 also can be utilized to eliminate scar, therefore, it is possible to it is noticeable to make scar be difficult to.In addition, also the 1st ridge 8T1 and the 2nd ridge 8T2 can be formed in other positions not being formed with the 1st ridge 8T1 and the 2nd ridge 8T2 in above-mentioned tool box 1 for the purpose of above-mentioned effect.
Foam molding can be used as the impact absorbing pad 14(that the anterior seat underfooting of the vehicle shown in Fig. 4 have or the bottom plate gasket set by seat underfooting, rear portion that can be used as vehicle).This impact absorbing pad 14 be configured at car bottom plate 15 and be configured on this car bottom plate 15 as in establish part carpet 16 between.The object of the impact absorbing pad 14 configured as described above is to improve the resiliency relative to the pin 17 of occupant, improves riding comfort.
Above-mentioned impact absorbing pad 14 is by carrying out foaminess resin particle heating and foaming and molding is the foam molding of tabular forms.In addition, impact absorbing pad 14 has multiple 1st ridge 14T1, and the plurality of 1st ridge 14T1 gives prominence to upward from the upper surface 14A of this impact absorbing pad 14, and in straight line shape, ground extends in the lateral direction.In addition, impact absorbing pad 14 has multiple 2nd ridge 14T2, the plurality of 2nd ridge 14T2 gives prominence to as height is identical with the height of the 1st ridge 14T1 upward from upper surface 14A, and extends in straight line shape in the longitudinal direction in the mode orthogonal with the 1st ridge 14T1 phase.Multiple 1st ridge 14T1 arranges in the mode separating constant interval P3 in the longitudinal direction.This interval P3 both can be identical with the constant interval P1 of (b) of Fig. 3, also can be different intervals.In addition, multiple 2nd ridge 14T2 arranges in the mode separating constant interval in the lateral direction.As the interval of the 2nd ridge 14T2, both can be identical with the constant interval P3 of the 1st ridge 14T1, also can be different from it.In addition, the cross sectional shape of the 1st ridge 14T1 and the 2nd ridge 14T2 is formed as, along with the shape of going to the top narrowed to narrow towards tip side, specifically, being formed as general triangular.
By the impact absorbing pad be formed as described above 14 is configured between car bottom plate 15 and carpet 16, such as, when passenger riding is in car, even if carpet 16 bears the load of pin 17, the 1st ridge 14T1 and the 2nd ridge 14T2 also can be utilized stably to support this load.Thus, because the 1st ridge 14T1 and the 2nd ridge 14T2 contacts with carpet 16, rightly therefore, it is possible to effectively prevent different sound.And, because carpet 16 is difficult to move relative to impact absorbing pad 14, therefore also can prevent carpet 16 from producing position skew relative to impact absorbing pad 14.In addition, in the diagram, only be formed with the 1st ridge 14T1 and the 2nd ridge 14T2 on the surface (face contacted with carpet 16) of impact absorbing pad 14, but also can also form the 1st ridge 14T1 and the 2nd ridge 14T2 in the back side of impact absorbing pad 14 (face contacted with car bottom plate 15).
In addition, the present invention is not limited to above-mentioned embodiment, can carry out various change without departing from the spirit and scope of the invention.
In the above-described embodiment, show the mould for the formation of being used as to establish in vehicle the foam molding of part (impact absorbing pad 14), but, also mould of the present invention can be utilized to be formed except the component of establishing in vehicle except part, such as, be positioned over the ornament among room, be placed in sofa, bed course part etc. among bed or ground.
In addition, in the above-described embodiment, with the cross sectional shape of the 1st ridge of foam molding and the 2nd ridge be the mode of general triangular at die main body 12(specifically, finishing die 12A) V-shaped the 1st groove portion M1 of Formation cross-section shape and the 2nd groove portion M2.As described above each groove portion is formed as the shape along with the depth direction towards each groove portion goes to the top narrowed to narrow, when the demoulding, the ridge of the foam molding of shaping can not be blocked the inner surface that is hung on groove portion and be become larger resistance, is therefore preferred.In addition, as shown in (a) of Fig. 5, each groove portion also can be the 1st groove portion M3 and the 2nd groove portion M4 etc. of semi-circular shape.Or as shown in (b) of Fig. 5, each groove portion also can be the 1st groove portion M5 and the 2nd groove portion M6 etc. of the shape of the first half of oblong shape.Or as shown in (c) of Fig. 5, each groove portion also can be the 1st groove portion M7 and the 2nd groove portion M8 etc. of the shape of the first half of elliptical shape.In addition, each groove portion also can be the shape (corner on top has the shape at angle) that width is identical in the depth direction, cross sectional shape is rectangle.
The foam molding be shaped by the finishing die 12A shown in the (a) and (b) of Fig. 5, (c) is represented in the (a) and (b), (c) of Fig. 6.That is, in (a) of Fig. 6, represent the foam molding be shaped by the finishing die 12A of (a) of Fig. 5.Ridge 18T1, the 18T2 that the cross sectional shape given prominence to upward from its surface is semicircle shape is formed at such foam molding.Then, in straight line shape, ground extends the ridge 18T1 of a side in the lateral direction.In addition, in straight line shape, ground extends the ridge 18T2 of the opposing party in the longitudinal direction.In addition, in (b) of Fig. 6, represent the foam molding be shaped by the finishing die 12A of (b) of Fig. 5.Ridge 19T1, the 19T2 that the cross sectional shape given prominence to upward from its surface is the shape of the first half of oblong shape is formed at such foam molding.Then, in straight line shape, ground extends the ridge 19T1 of a side in the lateral direction.In addition, in straight line shape, ground extends the ridge 19T2 of the opposing party in the longitudinal direction.In addition, in (c) of Fig. 6, represent the foam molding be shaped by the finishing die 12A of (c) of Fig. 5.Ridge 20T1, the 20T2 of the shape of the first half of the cross sectional shape oval in shape of giving prominence to upward from its surface is formed at such foam molding.Then, in straight line shape, ground extends the ridge 20T1 of a side in the lateral direction.In addition, in straight line shape, ground extends the ridge 20T2 of the opposing party in the longitudinal direction.As long as the top of ridge is the shape that top narrows, then ridge can be arbitrary shape, but preferably top ends does not have the shape of the circle at angle.
In addition, in the above-described embodiment, all the 1st groove portion M1 and the 2nd groove portion M2 is arranged with constant interval, but also can by the one or both in the 1st groove portion M1 or the 2nd groove portion M2 be set as non-constant variable interval to implement.
In addition, in the above-described embodiment, both of the interval between the 1st ridge 8T1 and the interval between the 2nd ridge 8T2 are all set to constant interval, but also one or both can be set to non-constant variable interval to implement.
In addition, in the above-described embodiment, form the 1st ridge 8T1 and the 2nd ridge 8T2 of foam molding in straight line shape, but the 1st ridge 8T1 and the 2nd ridge 8T2 both can be configured to continuous print zigzag, also can be configured to continuous print curve-like.In addition, except make the 1st ridge 8T1 orthogonal with the 2nd ridge 8T2 phase except, the 1st ridge and the 2nd ridge also can be made to be formed as intersecting with the predetermined angular except 90 degree.
In addition, in the above-described embodiment, in the 1st groove portion M1, be formed with the 1st through hole 12K1, in the 2nd groove portion M2, be formed with the 2nd through hole 12K2, but as shown in the (a) and (b) of Fig. 7, also can form through hole 12K3 in the part except the 1st groove portion M1 and the 2nd groove portion M2.Specifically, also through hole 12K3 can be formed at the 1st groove portion M1, M1 pars intermedia to each other (also can be non-pars intermedia) be arranged side by side and the 2nd groove portion M2, M2 pars intermedia to each other (also can be non-pars intermedia) be arranged side by side.Say in further detail, also can be surrounded by the 1st groove portion M1 and the 2nd groove portion M2 at four sides and the central part (also can be non-central part) of the planar section 12H of formation forms through hole 12K3.In (a) of Fig. 7, at all four sides, besieged planar section 12H is formed with through hole 12K3, but also only can form through hole 12K3 at the planar section 12H specified.Like this, through hole 12K3 is formed by the planar section 12H at heavy wall the most, compare with the situation forming the structure of the 2nd through hole 12K2 in the 2nd groove portion M2 with the 1st through hole 12K1 that formed in the 1st groove portion M1 of thinner thickness shown in (a) of such as Fig. 1, can the wall thickness of thinning finishing die 12A, the miniaturization of mould (specifically, die main body) can be sought.In addition, mould of the present invention also can be not only have the 1st through hole 12K1 shown in Fig. 1 and the 2nd through hole 12K2, also has the mould of the through hole 12K3 shown in (a) and (b) of Fig. 7.
In addition, in the above-described embodiment, many articles of the 1st groove portion M1 and the 2nd groove portion M2 of the straight line shape that direction is different are formed as mutually orthogonal (also can be intersect), but also only can be formed with the 1st groove portion M1, or are only formed with the 2nd groove portion M2.Such as indicate by being only formed with the 1st groove portion M1 in the (a) and (b) of Fig. 8, (c), or be only formed with the foam molding of die forming of the 2nd groove portion M2.This foam molding is formed with multiple ridge 8T3, and the plurality of ridge 8T3 gives prominence to upward from upper surface 8A, and in straight line shape, ground extends in the longitudinal direction.Multiple ridge 8T3 arranges in the mode separating constant interval P2 in the lateral direction.In addition, the cross section of ridge 8T3, in along with the shape of going to towards tip side the top narrowed to narrow, specifically, in the general triangular be made up of the trim line of acute angle, but is not limited thereto, can freely changes.
description of reference numerals
1, tool box; 2,3,4, incorporating section; 5, box main body; The lower surface of 5A, box main body; 6, flange part; The lower surface of 6A, flange part; 7, cover; The abutting member of 7A, lid; The upper surface in 8A, tool box; 8T1, the 1st ridge; 8T2, the 2nd ridge; 9, frame component; The upper surface of 9A, frame component; 10, car body member of formation; 11, mold for foam molding; 12,13, die main body; 12A, 13A, finishing die; 12B, 13B, liner plate; 12b, upper plate portion; 12c, lower board unit; 12H, planar section; 12K, forming face; 12K1,12K2,12K3, through hole; 12a, 13a, steam chamber; 14, impact absorbing pad; The upper surface of 14A, impact absorbing pad; 14T1, the 1st ridge; 14T2, the 2nd ridge; 15, car bottom plate; 16, carpet; 17, pin; 18T1,18T2,19T1,19T2,20T1,20T2, ridge; M1, the 1st groove portion; M2, the 2nd groove portion; M3 ~ M8, groove portion; S, foaminess resin particle.
Claims (6)
1. a mold for foam molding, it is for carrying out heating to the foam molding that is shaped to the foaminess resin particle be filled in the formingspace that formed by finishing die, wherein,
This mold for foam molding comprises the steam chamber at least importing heat medium and cooling medium, and above-mentioned finishing die is formed the through hole be communicated with above-mentioned formingspace by this steam chamber,
The subject area of forming face of the finishing die forming above-mentioned formingspace be formed to be arranged in constant interval a direction, from one end to continuous print in the gamut of the other end the 1st groove portion, and, this subject area be formed with constant interval be arranged in from one side to different other directions, the 2nd groove portion that intersects with the 1st groove portion
Interval each other, above-mentioned 1st groove portion and above-mentioned 2nd groove portion each other be spaced apart 2mm ~ 50mm,
At least one in above-mentioned 1st groove portion or above-mentioned 2nd groove portion is formed accordingly with the formation spacing of above-mentioned through hole.
2. mold for foam molding according to claim 1, wherein,
At least one in above-mentioned 1st groove portion or above-mentioned 2nd groove portion is formed through above-mentioned through hole.
3. mold for foam molding according to claim 1 and 2, wherein,
The cross section of at least one in above-mentioned 1st groove portion or above-mentioned 2nd groove portion is formed as the shape along with going to the top narrowed to narrow towards depth direction.
4. a mold for foam molding, it is provided with the steam chamber at least importing heat medium and cooling medium, and this mold for foam molding imports heat medium in this steam chamber and cooling medium and carries out heating and cooling to the foam molding that is shaped for utilizing to the foaminess resin particle be filled in the formingspace that formed by finishing die, wherein
This finishing die is formed the through hole be communicated with formingspace by above-mentioned steam chamber, the subject area of the forming face of above-mentioned finishing die be formed be arranged in a direction, in the gamut from one end to the other end of this subject area continuous print the 1st groove portion, and, this subject area be formed with constant interval be arranged in from one side to different other directions, the 2nd groove portion that intersects with the 1st groove portion
Interval each other, above-mentioned 1st groove portion and above-mentioned 2nd groove portion each other be spaced apart 2mm ~ 50mm,
Above-mentioned through hole is formed in above-mentioned 1st groove portion or above-mentioned 2nd groove portion.
5. mold for foam molding according to claim 4, wherein,
Above-mentioned through hole be also formed at above-mentioned 1st groove portion each other or above-mentioned 2nd groove portion each other at least one.
6. a foam molding, wherein,
This foam molding is shaped by using the mold for foam molding according to any one of claim 1 ~ 5.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-194445 | 2010-08-31 | ||
| JP2010-194374 | 2010-08-31 | ||
| JP2010194374A JP5508995B2 (en) | 2010-08-31 | 2010-08-31 | Mold for foam molding and foam molded body molded using the same |
| JP2010194445A JP5504103B2 (en) | 2010-08-31 | 2010-08-31 | Mold for foam molding and foam molded body molded using the same |
| PCT/JP2011/069695 WO2012029823A1 (en) | 2010-08-31 | 2011-08-31 | Foaming mold and foam molded article formed using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103079789A CN103079789A (en) | 2013-05-01 |
| CN103079789B true CN103079789B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201180042093.9A Active CN103079789B (en) | 2010-08-31 | 2011-08-31 | Mold for foam molding and the foam molding using this mold for foam molding to be shaped |
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| Country | Link |
|---|---|
| CN (1) | CN103079789B (en) |
| WO (1) | WO2012029823A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110549536B (en) * | 2018-05-30 | 2021-09-10 | 宝成工业股份有限公司 | Supercritical foaming mold device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715963Y (en) * | 2004-08-26 | 2005-08-10 | 鞍钢集团鞍山矿业运输设备制造总厂 | Integral mould for forming foaming machine for lost-foam casting |
| CN1980778A (en) * | 2004-05-12 | 2007-06-13 | 木桥泡沫塑料公司 | Vented mold and method for producing molded article |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0716867A (en) * | 1993-07-06 | 1995-01-20 | Inoac Corp | Shock absorbing structure of interior member for automobile |
| JPH10309754A (en) * | 1997-05-12 | 1998-11-24 | Kanegafuchi Chem Ind Co Ltd | Interior finish material for automobile door |
| JP2000006741A (en) * | 1998-06-24 | 2000-01-11 | Bridgestone Corp | Shock absorber |
| JP2003127796A (en) * | 2001-10-26 | 2003-05-08 | Hitachi Chem Co Ltd | Shock absorbing floor spacer for automobile |
-
2011
- 2011-08-31 CN CN201180042093.9A patent/CN103079789B/en active Active
- 2011-08-31 WO PCT/JP2011/069695 patent/WO2012029823A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1980778A (en) * | 2004-05-12 | 2007-06-13 | 木桥泡沫塑料公司 | Vented mold and method for producing molded article |
| CN2715963Y (en) * | 2004-08-26 | 2005-08-10 | 鞍钢集团鞍山矿业运输设备制造总厂 | Integral mould for forming foaming machine for lost-foam casting |
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| CN103079789A (en) | 2013-05-01 |
| WO2012029823A1 (en) | 2012-03-08 |
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