CN100519130C - Method for forming foam-forming-body with surface layer and device thereof - Google Patents
Method for forming foam-forming-body with surface layer and device thereof Download PDFInfo
- Publication number
- CN100519130C CN100519130C CNB2004101022485A CN200410102248A CN100519130C CN 100519130 C CN100519130 C CN 100519130C CN B2004101022485 A CNB2004101022485 A CN B2004101022485A CN 200410102248 A CN200410102248 A CN 200410102248A CN 100519130 C CN100519130 C CN 100519130C
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- skin material
- counterdie
- periphery
- intermediate die
- clamping
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Abstract
A method and apparatus for preparing the foamed body with surface skin is disclosed. Said method includes such steps as providing a surface skin material with holes on its edge part, putting it on lower mould in such manner that the multiple locating pins are inserted in said holes of surface skin material, positioning a intermediate mould for clamping it, pneumatically sucking it to make it close to the lower mould, filling foaming resin, inserting upper mould in said intermediate mould, sealing, and foaming.
Description
Technical field
The present invention relates to the manufacturing process and the device thereof of foam molding of the band epidermis of vehicle seat seat handrail and automobile seat and so on.
Background technology
Manufacturing process as the foam molding of above-mentioned band epidermis, shown in patent documentation 1 (No. 2995019 communique of Japanese Patent Laid), known have such method, being about to skin material puts on the counterdie with a plurality of attractions hole, by being placed on intermediate die on the counterdie with the periphery clamping of skin material, the attraction skin material makes it the die cavity inner surface driving fit with counterdie, supply with foamed resin material to its top, inboard with patrix inserts intermediate die makes the foamed resin material foaming after the periphery sealing with skin material.
In above-mentioned manufacturing process, when attracting skin material to make it die cavity inner surface with counterdie to carry out driving fit, must not make skin material wrinkling.If played wrinkle in this stage, then the outward appearance of formed products worsens and becomes substandard products.In order to address this problem, descended such time in the method for patent documentation 1, make on the one hand by concavo-convex concavo-convex retainer that is constituted a square end edge of clamping skin material reliably of being located in counterdie and the intermediate die, with another ora terminalis clamping loosely of skin material, skin material successfully is introduced in the die cavity of counterdie on the other hand.
But, even skin material is sandwiched between recessed that forms on the upper surface of the raised line that forms on the lower surface of intermediate die and counterdie, sometimes also there is such situation to take place, promptly can not reliably skin material be fixed, off normal takes place in that skin material is attracted to when carrying out driving fit on the counterdie.In case off normal has taken place on skin material, then the suture of skin material is crawl shape or suture generation off normal, becomes substandard products.
Again, in the method for patent documentation 1, when the foam molding that makes the band epidermis is shaped, owing to be to adopt visual type to carry out the location of skin material by operator, itself and the position mark line that is provided with that is arranged in the counterdie are aligned, therefore have such problem, promptly the positioning accuracy of skin material is poor, the suture position of skin material can run-off the straight or off normal and become substandard products, and product qualified rate is poor.
Summary of the invention
The objective of the invention is to, solve above-mentioned problem in the past, a kind of like this manufacturing process and device thereof of the foam molding with epidermis are provided, carry out clamping reliably when counterdie attracts, can not making generation off normal on skin material, and improve the positioning accuracy when on counterdie, skin material being set.
Manufacturing process for the foam molding of the band epidermis that solves first aspect of the present invention that above-mentioned problem makes, skin material is put on the counterdie with a plurality of attractions hole, by being placed on intermediate die on the counterdie with the periphery clamping of skin material, the attraction skin material makes it the die cavity inner surface driving fit with counterdie, supply with foamed resin material to its top, patrix is inserted the inboard of intermediate die, periphery sealing with skin material, make the foamed resin material foaming then, it is characterized in that, part at the periphery of skin material is equipped with a plurality of locating holes in advance, these locating holes are inserted lead on a plurality of alignment pins that are convexly set on the mould openings periphery of counterdie, skin material is put on counterdie, then by the intermediate die clamping.
Again, building mortion for the foam molding of the band epidermis that solves second aspect of the present invention that above-mentioned problem makes, by the counterdie with a plurality of attractions hole, will put the skin material on counterdie the periphery clamping intermediate die and insert the inboard of intermediate die and the patrix of the periphery sealing of skin material constituted, it is characterized in that, can insert a plurality of alignment pins in the locating hole of a part that is arranged in the skin material periphery, at least one side's who is convexly equipped with at counterdie the mould openings periphery.In addition, according to a third aspect of the present invention, these alignment pin preferably is arranged on the identical position of the concavity of the clamping that forms on the mould openings periphery with counterdie.Again, according to a fourth aspect of the present invention, these alignment pins preferably are predisposed to corresponding with the position with suture of skin material.
According to a first aspect of the invention with second aspect, because inserting, a plurality of locating holes that wear on the part with the periphery of skin material lead on a plurality of alignment pins that are convexly set on the mould openings periphery of counterdie, skin material is placed on the counterdie, then by the intermediate die clamping, therefore, skin material can not only accurately be located, and also can not change when counterdie attracts, and shape suture or inclination and off normal can not occur on the skin material crawling.Again, the part that is not provided with locating hole of skin material becomes introducing portion when the die-face that skin material is attracted to counterdie engages, can be under the situation of wrinkle resistant on the skin material and inhomogeneous elongation and the die-face driving fit.Like this, can not occur in the substandard products that form crawl shape suture or inclination, off normal on the skin material.
Again, according to a third aspect of the present invention, when the die-face that skin material is attracted to counterdie engages, can make the introducing of skin material impartial more, the phenomenon of suture off normal can not occur.And, according to a fourth aspect of the present invention, can prevent the off normal of the suture position of easy the to be showy skin material that causes because of slightly off normal more reliably.
Description of drawings
Fig. 1 is the decomposing section of expression building mortion of the present invention;
Fig. 2 is the plane of counterdie;
Fig. 3 is the plane of skin material;
Fig. 4 is the plane of intermediate die;
Fig. 5 is placed on skin material for expression the profile of the state on the counterdie;
Fig. 6 is about to the amplification profile of clamping skin material state before for expression;
Fig. 7 is the profile of expression with the skin material clamp position;
Fig. 8 is the amplification profile of expression with the skin material clamp position;
Fig. 9 is the profile of expression state after involutory with upper die mold;
Figure 10 is the profile of the foamed state of expression foamed synthetic resin;
Figure 11 is the profile of the foam molding of expression band epidermis.
The specific embodiment
Describe the example of the best of the present invention in detail below with reference to Fig. 1～Figure 11.As shown in Figure 1, device of the present invention by attract skin material 2 carry out driving fit counterdie 1, clamping skin material 2 periphery intermediate die 3 and the core 4 interim patrixes 55 that keep are constituted.
As Fig. 3 and shown in Figure 11, the periphery of skin material 2 becomes the crimping 2a of core 4, by with counterdie 1 with intermediate die 3 mould assemblys and with this crimping 2a clamping.The size that crimping 2a need not to carry out deburring when being engaged by severing Cheng Zaiyu core 4.It is thin slice and fabric blank that the material of skin material 2 is used polyvinyl resin and other plastics, but when using fabric blank, in order to interdict aeration, and laminate film on inner surface in advance.
As shown in Figure 3, be equipped with a plurality of locating hole 2b on the crimping 2a of skin material 2.Locating hole 2b is equipped with a plurality of at least one side's of skin material 2 end edge portion, among Fig. 3, at the top and the left part of skin material 2 locating hole 2b is set, and other parts are as the introducing portion that is not provided with locating hole 2b.Locating hole 2b preferably is provided with accordingly with the position with suture of skin material 2.
In this example, counterdie 1 is that aluminium diecasting is made, and as shown in Figure 1, is communicated with the vacuum chamber 1b of mould inside by a plurality of attractions hole 1a that is arranged at die-face, skin material 2 can be attracted to die-face and engage.As shown in Figure 2, the 7th, be convexly set in a plurality of alignment pins of the mould openings periphery of counterdie 1, the locating hole 2b of these alignment pins 7 and skin material 2 is corresponding and be convexly equipped with, and inserting logical card ends in locating hole 2b, with skin material 2 location.Alignment pin 7 makes conical enlarged head with front end as shown in Figure 7 and Figure 8, makes skin material 2 be not easy.
As shown in Figure 1, intermediate die 3 is that aluminium diecasting is made, and is formed with the patrix embedded hole 3b that dodges hole 3a and chimeric slotting logical patrix 5 of alignment pin 7, and is involutory with skin material 2 clampings with counterdie 1 mould.The 9th, with the concavo-convex retainer 9 of periphery 2 clampings of skin material 2, the raised line 9b that forms on the periphery of the patrix embedded hole 3b of recessed 9a that forms on the mould openings periphery by counterdie shown in Figure 21 and intermediate die 3 shown in Figure 4 is constituted this raised line 9b and recessed the corresponding formation of 9a.
In this example, described recessed 9a is formed between the alignment pin 7, and raised line 9b is formed at and dodges between the 3a of hole, and carry out the location of skin material 2 and being clamped on the same line.Like this, when the die-face that skin material 2 is attracted to counterdie 1 carries out driving fit, can make the introducing of skin material 2 press equalization, eliminate the off normal phenomenon of suture.In addition, alignment pin 7 is urged to intermediate die and falls into structure in the counterdie 1 if adopt, what then do not need intermediate die 3 dodges hole 3a.
Patrix 5 member that to be the inboards of inserting intermediate die 3 all seal the periphery of skin material 2, with the mould involutory surface of counterdie 1 on be pre-formed the wale 5a of sealing usefulness.The lower surface of patrix 5 is provided with the interim maintaining body 11 of interim maintenance core 4.Interim maintaining body 11 has the car body that the car body that forms on the core 4 can be installed usefulness and the fastener 11a dress of usefulness is installed is got and block the holding section 11b that ends freely as shown in Figure 9.
On the periphery of core 4, package by with foamed synthetic resin with the encapsulant 4a that a series of resins forms, can discharge foamed gas during foaming and molding, but can not leak Foamex, can engage with foamed synthetic resin reliably simultaneously.
The following describes the manufacturing process of the foam molding of band epidermis.
At first, as shown in Figure 5, the locating hole 2b of skin material 2 is inserted card end in the alignment pin 7 of counterdie 1, on one side skin material 2 is made the location, be arranged on the die-face of counterdie 1 on one side.Like this, because of having adopted the method among the locating hole 2b of alignment pin 7 insertion skin materials 2, so can improve the positioning accuracy of skin material 2, off normal can not appear.In advance core 4 is remained on temporarily on the interim maintaining body 11 of patrix 5 again.It is involutory intermediate die 3 and counterdie 1 to be carried out mould again, like this, the crimping 2a of skin material 2 peripheries can be clipped on the mould involutory surface of counterdie 1 and intermediate die 3.
This clamp method is to be pressed into to skin material 2 by the location of having been done by the alignment pin 7 of locating hole 2b that forms on the skin material 2 and counterdie 1 and by concavo-convex retainer 9 to carry out.As previously mentioned, being pressed into of concavo-convex retainer 9 is to sandwich between the raised line 9b of recessed 9a of counterdie 1 and intermediate die 3 by the crimping 2a with skin material 2 to carry out.
Under this state, if the vacuum chamber 1b of counterdie 1 is applied negative pressure, by attracting hole 1a to skin material 2 effect suction pressures, then skin material 2 as shown in Figure 6, along the die-face of counterdie 1 and driving fit.At this moment, part at alignment pin 7 that is provided with counterdie 1 and concavo-convex retainer 9, skin material 2 is by firm grip, but other parts hold the comparison pine, so can overcome the chucking power of intermediate die 3 and be introduced into, skin material 2 under the situation that does not produce wrinkling or off normal with the die-face driving fit of counterdie 1.Thus, can not apply excessive tensile force, phenomenon wrinkling or the shape suture that crawls can not occur skin material 2.
Then, on skin material 2, supply with the foamed synthetic resin raw material 8 of quantitative foaming urethane resin material etc., then as shown in Figure 9, if it is involutory that the patrix 5 that core 4 will be temporary fixed be arranged carries out mould by intermediate die 3 and counterdie 1, then be arranged on the patrix embedded hole 3b of core 4 by intermediate die 3 on the die-face of patrix 5, be in the mould of counterdie 1.
Thereafter with its mould assembly, foamed synthetic resin raw material 8 is heated and foams, be configured as the foam molding of band epidermis.At this moment, the foamed gas that produces in the mould is discharged by the encapsulant 4a that is installed on core 4 peripheries.After foaming and molding finishes patrix 5 and intermediate die 3 are opened, the expansion-molded article demoulding with as shown in figure 11 applies bonding agent behind the demoulding on the periphery of core 4, and the crimping 2a of skin material 2 is engaged with the periphery of core 4, then finishes with the formed products of epidermis.
This example is to engage with the periphery of core 4 by the crimping 2a of bonding agent with skin material 2, but also can in advance double-faced adhesive tape be bonded on the crimping 2a of skin material 2, by double-faced adhesive tape crimping 2a is engaged with core 4.Adopt the joint of double-faced adhesive tape, can omit the coating operation of bonding agent, can eliminate because of the harmful effect to human body such as the harmfulness solvent that comprises in the bonding agent.
As mentioned above, adopt the present invention,, can not make to produce off normal on the skin material 2 and carry out clamping reliably, again, can improve positioning accuracy when on counterdie 1, skin material 2 being set, so can reduce the incidence of substandard products, the qualification rate of raising finished product when counterdie 1 attracts.
The explanation of symbol
1 counterdie
2 skin materials
The 2a crimping
The 2b locating hole
3 intermediate die
3b dodges the hole
4 cores
The 4a encapsulant
5 patrixes
The 5a wale
7 alignment pins
8 foamed synthetic resin raw materials
9 concavo-convex retainers
Recessed of 9a
The 9b raised line
11 interim maintaining bodies
The 11a car body is installed the fastener of usefulness
The 11b holding section
Claims (4)
1. manufacturing process with the foam molding of epidermis, skin material is put on the counterdie with a plurality of attractions hole, by being placed on intermediate die on the counterdie with the periphery clamping of skin material, the attraction skin material makes it the die cavity inner surface driving fit with counterdie, supply with foamed resin material to its top, patrix is inserted the inboard of intermediate die, periphery sealing with skin material, make the foamed resin material foaming then, it is characterized in that, part at the periphery of skin material is equipped with a plurality of locating holes in advance, these locating holes are inserted lead on a plurality of alignment pins that are convexly set on the mould openings periphery of counterdie, skin material is put on counterdie, then by the intermediate die clamping.
2. building mortion with the foam molding of epidermis, by counterdie, the periphery that puts the skin material on counterdie is carried out the intermediate die of clamping and inserts the inboard of intermediate die and the patrix that the periphery of skin material seals is constituted with a plurality of attractions hole, it is characterized in that, with a plurality of alignment pins that insert in the locating hole that wears on the part of skin material periphery, at least one side's who is convexly equipped with at counterdie the mould openings periphery.
3. the building mortion of the foam molding of band epidermis as claimed in claim 2 is characterized in that, the alignment pin of counterdie is arranged on the identical position of the concavity of the clamping that forms on the mould openings periphery with counterdie.
4. the building mortion of the foam molding of band epidermis as claimed in claim 2 is characterized in that, the alignment pin of counterdie is with the corresponding setting in the position with suture of skin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101022485A CN100519130C (en) | 2004-12-09 | 2004-12-09 | Method for forming foam-forming-body with surface layer and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101022485A CN100519130C (en) | 2004-12-09 | 2004-12-09 | Method for forming foam-forming-body with surface layer and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1785646A CN1785646A (en) | 2006-06-14 |
| CN100519130C true CN100519130C (en) | 2009-07-29 |
Family
ID=36783294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101022485A Expired - Fee Related CN100519130C (en) | 2004-12-09 | 2004-12-09 | Method for forming foam-forming-body with surface layer and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100519130C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186927A (en) * | 2012-02-02 | 2017-09-22 | Lm Wp 专利控股有限公司 | Bracket for wind turbine blade |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156226B2 (en) | 2008-12-03 | 2015-10-13 | Nissan Motor Co., Ltd. | Production apparatus of skin-fitted foam molding member, production method of skin-fitted foam molding member, and skin-fitted foam molding member |
| JP5746910B2 (en) * | 2011-05-13 | 2015-07-08 | 東洋ゴム工業株式会社 | Fiber body fixing device |
| JP5708297B2 (en) * | 2011-06-24 | 2015-04-30 | 東海化成工業株式会社 | Integrated foam molded article with skin and method for producing the same |
| CN102689607B (en) * | 2012-05-22 | 2015-06-17 | 上海延锋江森座椅有限公司 | Foaming body with heating device and producing process of foaming body |
| CN103273603B (en) * | 2013-04-28 | 2015-09-23 | 东莞万德电子制品有限公司 | The silica gel product mould of the unsettled two-sided encapsulate of a kind of workpiece |
| CN103587023B (en) * | 2013-10-30 | 2015-12-30 | 江苏科盛科技有限公司 | Handrail foam process |
| CN106827357A (en) * | 2016-12-21 | 2017-06-13 | 宁波继峰汽车零部件股份有限公司 | A kind of foaming mould for producing corium handrail |
| JP6866740B2 (en) * | 2017-04-14 | 2021-04-28 | トヨタ紡織株式会社 | Manufacturing method of seat cushion material and foam mold for manufacturing |
| CN111116959A (en) * | 2019-12-18 | 2020-05-08 | 南通普力马弹性体技术有限公司 | Slush molding/injection molding thermoplastic elastomer skin and plastic part |
-
2004
- 2004-12-09 CN CNB2004101022485A patent/CN100519130C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186927A (en) * | 2012-02-02 | 2017-09-22 | Lm Wp 专利控股有限公司 | Bracket for wind turbine blade |
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| Publication number | Publication date |
|---|---|
| CN1785646A (en) | 2006-06-14 |
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Granted publication date: 20090729 Termination date: 20201209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |