CN105346058A - Automobile interior absorbing-plastics mold structure and preparation method thereof - Google Patents
Automobile interior absorbing-plastics mold structure and preparation method thereof Download PDFInfo
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- CN105346058A CN105346058A CN201410416829.XA CN201410416829A CN105346058A CN 105346058 A CN105346058 A CN 105346058A CN 201410416829 A CN201410416829 A CN 201410416829A CN 105346058 A CN105346058 A CN 105346058A
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- Prior art keywords
- plastics suction
- suction mould
- trim plastics
- base
- layer
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- 239000004033 plastic Substances 0.000 title claims abstract description 92
- 229920003023 plastic Polymers 0.000 title claims abstract description 92
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 239000004411 aluminium Substances 0.000 claims abstract description 17
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 239000003351 stiffener Substances 0.000 claims description 27
- 239000011152 fibreglass Substances 0.000 claims description 17
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 238000007517 polishing process Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract 7
- 239000010410 layer Substances 0.000 abstract 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 4
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 239000000428 dust Substances 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 210000002219 extraembryonic membrane Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a preparation method of an automobile interior absorbing-plastics mold. According to the method, a mixture of sheet metal or heatproof resin and aluminium is used to make the surface layer of the interior absorbing-plastics mold by an existing technology; after the surface layer of the interior absorbing-plastics mold is solidified, a reinforced layer is pasted on the lower surface of the interior absorbing-plastics mold; a pedestal with the center being hollow is arranged right below the surface layer of the interior absorbing-plastics mold; the pedestal and the surface layer of the interior absorbing-plastics mold are connected; reinforcing plates are uniformly distributed inside a cavity formed by the surface layer of the interior absorbing-plastics mold and the pedestal; the bottom surface of the reinforcing plates and the bottom surface of the pedestal are the same plane; by pasting a first reinforced layer on the lower surface of the reinforced layer, the reinforcing plates and the surface layer of the interior absorbing-plastics mold are fixed with each other; after the reinforced layer and the first reinforced layer are solidified, the surface of the surface layer of the interior absorbing-plastics mold undergoes polishing, dust scrapping and burnishing treatments. Then, a molding face of a product has good heat resistance and little deformation. Meanwhile, development and mold manufacturing period is shorter, labor and material costs are lower, and quality of the interior absorbing-plastics product and production efficiency are both enhanced.
Description
Technical field
The present invention relates to a kind of automotive trim plastics suction mould structure and preparation method, belong to automotive trim plastics suction mould field.
Background technology
Current commercial vehicle, the plastic uptake product of bus interior, general employing has the wooden model of mould surface and vacuum room, metal die, fiber reinforced plastic mold completes the plastics sucking moulding of interior products, because the interior products of plastic uptake technique is mostly multi-varieties and small-batch, thus plastics suction mould exploitation and mould preparation are frequently, in addition Wooden Pattern Making needs by the setting-out piecemeal of formed product face, sealed air chamber and mould surface is prepared with timber or fibrous plate splicing, carry out scraping ash after profile completes, polishing, the operations such as boring, such mould weatherability and resistance to elevated temperatures poor, mould preparation time is long, cost of manufacture is high, another metal die makes to be needed by the panel beating making piecemeal of formed product face, splicing and steel skeleton prepare sealed air chamber and mould surface, carry out forming surface after face to be formed completes and scrape the operations such as ash, polishing, boring, such mould surface metal decking can produce forming surface local deformation due to long-time high temperature production impact, cause die surface atomized ash easily to produce to come off, affect product quality and production efficiency, mould preparation time is longer, cost is higher, secondly fiber reinforced plastic mold makes needs to make gypsum fetal membrane by formed product face, fiber reinforced plastic mold forming surface processed is turned over again on gypsum fetal membrane, then board making mould sealed air chamber and skeleton is used, carry out scraping the operations such as ash, polishing, boring after profile solidification, such die life is short, be heated and be easily out of shape, mould heat resisting temperature is lower than 80 DEG C, and preparation time is longer.
In sum, in existing automotive upholstery plastics suction mould, no matter be that wooden model, metal die, glass punching block etc. are by mould surface and containing vacuum air chamber composition, and there is the weatherability of mould and resistance to elevated temperatures poor, mould preparation time is long, high in cost of production defect, have impact on quality and the production efficiency of automobile plastic uptake interior products construction cycle and interior products.
Summary of the invention
The object of the invention is: a kind of automotive trim plastics suction mould structure and preparation method are provided, realize making without containing vacuum air chamber, and plastics suction mould preparation time is short, material cost and cost of labor lower, thus overcome the deficiencies in the prior art.
Technical scheme of the present invention
A kind of automotive trim plastics suction mould preparation method, the mixture of the method sheet metal or heatproof resin and aluminium adopts prior art to make interior trim plastics suction mould top layer, enhancement Layer is pasted at its lower surface after the solidification of interior trim plastics suction mould top layer, the center that is provided with immediately below interior trim plastics suction mould top layer leads to empty base, this base is connected along limit with interior trim plastics suction mould top layer, stiffener is laid with in the inner chamber that interior trim plastics suction mould top layer and base are formed, the bottom surface of stiffener and base end face are same plane, pasting enhancement Layer one makes stiffener and interior trim plastics suction mould top layer interfix at enhancement Layer lower surface, after layer to be strengthened and enhancement Layer one solidify, polishing is carried out to interior trim plastics suction mould skin surface, scrape ash, grinding process.
In aforesaid automotive trim plastics suction mould preparation method, the thickness of described sheet metal is 1 ~ 2mm.
In aforesaid automotive trim plastics suction mould preparation method, in described heatproof resin and the mixture of aluminium, the weight ratio of heatproof resin and aluminium powder is 1:1 ~ 1.2, and the thickness on the interior trim plastics suction mould top layer of being made by the mixture of heatproof resin and aluminium is 2 ~ 5mm.
In aforesaid automotive trim plastics suction mould preparation method, the material of described enhancement Layer is fiberglass, and its thickness is 2 ~ 5mm.
In aforesaid automotive trim plastics suction mould preparation method, the material of described enhancement Layer one is for being fiberglass, and its thickness is 5 ~ 10mm.
In aforesaid automotive trim plastics suction mould preparation method, described center leads to empty base and adopts sheet metal or make with fiberglass, and be provided with chamfering at base along limit, this chamfer angle is 10 ° ~ 15 °.
In aforesaid automotive trim plastics suction mould preparation method, the concave surface on interior trim plastics suction mould top layer is provided with suction hole, this suction hole run through enhancement Layer and enhancement Layer in the lump with inner space, to the polishing process of suction hole aperture.
A kind of automotive trim plastics suction mould structure, comprise center and lead to empty base, be provided with formed product face above base and with being connected along limit of formed product face, stiffener is evenly equipped with in the inner chamber that base and formed product face are formed, this reinforcement version bottom surface and base end face are same plane, be connected and fixed by enhancement Layer one between stiffener and formed product face lower surface, the suction hole with inner space is provided with in the concave surface in formed product face, by arranging suction hole, make the molding structure in forming process in concave surface complete.
In aforesaid automotive trim plastics suction mould structure, described base is provided with chamfering along limit, and the angular dimension of this chamfering is 10 ° ~ 15 °, and this structural design facilitates the later stage demoulding.
In aforesaid automotive trim plastics suction mould structure, described formed product face is made up of interior trim plastics suction mould top layer and enhancement Layer.
Owing to adopting technique scheme, compared with prior art, the present invention adopts formed product face and base to form a bottom to lead to empty cavity body structure, and fixed by stiffener, make total intensity high, and formed product face comprises interior trim plastics suction mould top layer that heat-resisting sheet metal or heatproof natural gum and the coagulum of aluminium make and the little enhancement Layer of temperature distortion, make formed product face good heat resistance and be out of shape little, simultaneously exploitation of the present invention and the Mold Making cycle shorter, artificial and material cost is lower, plastic uptake interior products quality and production efficiency are all improved.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the embodiment of the present invention one;
Accompanying drawing 2 is the sectional view of accompanying drawing 1;
Accompanying drawing 3 is partial enlarged drawing in accompanying drawing 2
Accompanying drawing 4 executes the structural representation of example two for the invention process.
Being labeled as in accompanying drawing: 1-base, 2-formed product face, 3-inner chamber, 4-stiffener, 5-enhancement Layer one, 6-suction hole, 7-interior trim plastics suction mould top layer, 8-enhancement Layer, a-base are along the chamfering on limit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
A kind of automotive trim plastics suction mould preparation method, the mixture of the method sheet metal or heatproof resin and aluminium adopts prior art to make interior trim plastics suction mould top layer, enhancement Layer is pasted at its lower surface after the solidification of interior trim plastics suction mould top layer, the center that is provided with immediately below interior trim plastics suction mould top layer leads to empty base, this base is connected along limit with interior trim plastics suction mould top layer, stiffener is laid with in the inner chamber that interior trim plastics suction mould top layer and base are formed, the bottom surface of stiffener and base end face are same plane, pasting enhancement Layer one makes stiffener and interior trim plastics suction mould top layer interfix at enhancement Layer lower surface, after layer to be strengthened and enhancement Layer one solidify, polishing is carried out to interior trim plastics suction mould skin surface, scrape ash, grinding process.
Wherein the thickness of sheet metal is 1 ~ 2mm, in the mixture of heatproof resin and aluminium, heatproof resin and aluminium powder weight ratio are 1:1 ~ 1.2, the thickness on the interior trim plastics suction mould top layer of being made by the mixture of heatproof resin and aluminium is 2 ~ 5mm, the material of this enhancement Layer is fiberglass, and its thickness is 2 ~ 5mm, and the material of enhancement Layer one is for being fiberglass, its thickness is 5 ~ 10mm, this base adopts sheet metal to make, and be provided with chamfering at base along limit, this chamfer angle is 10 ° ~ 15 °.
Specific embodiments of the invention one
,a kind of automotive trim plastics suction mould structure, as accompanying drawing 1, shown in 2 and 3, comprise center and lead to empty base 1, be provided with formed product face 2 above base 1 and connect fixing with formed product face 2 weld-edgewise, stiffener 4 is evenly equipped with in the inner chamber 3 that base 1 and formed product face 2 are formed, the bottom surface of this stiffener 4 and base 1 bottom surface are at grade, be connected and fixed by enhancement Layer 1 between stiffener 4 and formed product face 2 lower surface, the suction hole 6 with inner space is provided with in the concave surface in formed product face 2, this formed product face 2 is made up of interior trim plastics suction mould top layer 7 and enhancement Layer 8.
Concrete making step is:
Backplate plastics suction mould preparation under instrument desk
Get the raw materials ready: 1.2mm sheet metal 0.75 ㎡, heatproof <115 DEG C of resin 12kg, 300g/ ㎡ glass fabric 10 ㎡, 12mm heavy-gauge sheeting or fibrous plate 0.25 ㎡.
Prepared by mould:
1., utilize the three-dimensional digital-to-analogue of gadget, carry out setting-out, adopt panel beating manufacture craft to prepare interior trim plastics suction mould top layer 7 with 1.2mm sheet metal (sheet metal can adopt hot rolled plate, cold-reduced sheet, galvanized sheet, aluminium sheet);
2., (namely the chamfering of 10 ° ~ 15 ° is provided with a) at Base edge in bottom, interior trim plastics suction mould top layer 7 by easier draft angle direction, make center with 1.2mm sheet metal and lead to empty base 1, the major function of this base 1 realizes the Stability Analysis of Structures that interior trim plastics suction mould top layer 7 is formed with base, intensity is high, is convenient to the demoulding.
3., in the inner chamber 3 that interior trim plastics suction mould top layer 7 and mold base 1 are formed, paste this fiberglass enhancement Layer 8 of 5mm fiberglass enhancement Layer 8(to paste at interior trim plastics suction mould top layer 7 lower surface), after fiberglass solidification, with the uniform mould stiffener 4 of 12mm plank in inner chamber 3, at grade, the fiberglass enhancement Layer 1 then pasting 8mm in the inner chamber 3 of uniform segmentation makes stiffener 4 and interior trim plastics suction mould top layer 7 be fixed as an entirety for the bottom surface of this stiffener 4 and base end face.
4., formed after the fiberglass enhancement Layer 8 pasted in inner chamber 3 solidifies completely until interior trim plastics suction mould top layer 7 and mold base 1, to polishing is carried out on the surface on interior trim plastics suction mould top layer 7, scrape ash, grinding process, then suction hole 6 is bored with metal bit in the surface on interior trim plastics suction mould top layer 7, drill through in inner chamber 3, and to the polishing process of suction hole 6 aperture.
Under the instrument desk prepared by this technology, backplate plastics suction mould only uses 2 days, artificial and material cost is lower.
Embodiments of the invention two, a kind of automotive trim plastics suction mould structure, as shown in Figure 4, the result of this structure and embodiment one is completely the same, comprise center and lead to empty base 1, be provided with formed product face 2 above base 1 and be connected and fixed along limit with formed product face 2, stiffener is evenly equipped with in the inner chamber that base 1 and formed product face 2 are formed, the bottom surface of this stiffener and base 1 bottom surface are at grade, be connected and fixed by enhancement Layer one between stiffener and formed product face 2 lower surface, the suction hole with inner space is provided with in the concave surface in formed product face 2, this formed product face 2 is made up of interior trim plastics suction mould top layer and enhancement Layer.
Concrete making step is:
Prepared by minibus hood plastics suction mould
Get the raw materials ready: heatproof <115 DEG C of resin 30kg, 250 order aluminium powder 7.5kg, 300g/ ㎡ glass fabric 21 ㎡, 12mm heavy-gauge sheeting or fibrous plate 1.25 ㎡.
Prepared by mould:
1., utilize existing plastic uptake product to turn over to make base film or make stage die by three-dimensional digital-to-analogue, turn at plastic uptake product the film or make on stage die by three-dimensional digital-to-analogue and paste 3mm minibus hood mould top layer of making base by weight 1:1 ~ 1.2 ratio with heatproof resin (general adopt heatproof epoxy resin) and aluminium;
2., after the resin solidification of minibus hood mould top layer, to be connected and fixed equally the base (base also centered by logical empty) being conducive to keeping mould surface strength and the demoulding along limit on minibus hood mould top layer, 5mm fiberglass enhancement Layer is pasted at the lower surface heatproof resin (general employing heatproof epoxy resin) on minibus hood mould top layer, after fiberglass solidification, uniform mould stiffener in inner chamber, and then with the enhancement Layer that heatproof resin pastes 6mm fiberglass in the inner chamber of uniform segmentation, stiffener and minibus hood mould top layer are connected and fixed,
3., after pasting fiberglass enhancement Layer and solidifying completely, to polishing is carried out on the surface on mini-bus car engine box cover die top layer, scrape ash, grinding process, then suction hole is bored at the surface metal bit on minibus hood mould top layer, drill through in inner chamber, and to the polishing process of suction hole aperture;
The minibus hood mould prepared by this technology only uses 4 days, artificial and material cost is lower.
Claims (10)
1. an automotive trim plastics suction mould preparation method, it is characterized in that: the mixture of the method sheet metal or heatproof resin and aluminium adopts prior art to make interior trim plastics suction mould top layer, enhancement Layer is pasted at its lower surface after the solidification of interior trim plastics suction mould top layer, the center that is provided with immediately below interior trim plastics suction mould top layer leads to empty base, this base is connected along limit with interior trim plastics suction mould top layer, stiffener is laid with in the inner chamber that interior trim plastics suction mould top layer and base are formed, the bottom surface of stiffener and base end face are same plane, pasting enhancement Layer one makes stiffener and interior trim plastics suction mould top layer interfix at enhancement Layer lower surface, after layer to be strengthened and enhancement Layer one solidify, polishing is carried out to interior trim plastics suction mould skin surface, scrape ash, grinding process.
2. automotive trim plastics suction mould preparation method according to claim 1, is characterized in that: the thickness of described sheet metal is 1 ~ 2mm.
3. automotive trim plastics suction mould preparation method according to claim 1, it is characterized in that: in described heatproof resin and the mixture of aluminium, the weight ratio of heatproof resin and aluminium powder is 1:1 ~ 1.2, the thickness on the interior trim plastics suction mould top layer of being made by the mixture of heatproof resin and aluminium is 2 ~ 5mm.
4. automotive trim plastics suction mould preparation method according to claim 1, is characterized in that: the material of described enhancement Layer is fiberglass, and its thickness is 2 ~ 5mm.
5. automotive trim plastics suction mould preparation method according to claim 1, is characterized in that: the material of described enhancement Layer one is for being fiberglass, and its thickness is 5 ~ 10mm.
6. automotive trim plastics suction mould preparation method according to claim 1, is characterized in that: described center leads to empty base and adopts sheet metal or make with fiberglass, and be provided with chamfering at base along limit, this chamfer angle is 10 ° ~ 15 °.
7. automotive trim plastics suction mould preparation method according to claim 1, is characterized in that: on the concave surface on interior trim plastics suction mould top layer, be provided with suction hole, this suction hole run through enhancement Layer and enhancement Layer in the lump with inner space, to the polishing process of suction hole aperture.
8. an automotive trim plastics suction mould structure, comprise center and lead to empty base (1), it is characterized in that: base (1) top is provided with formed product face (2) and is connected along limit with formed product face (2), stiffener (4) is evenly equipped with in the inner chamber (3) that base (1) and formed product face (2) are formed, bottom surface and base (1) bottom surface of stiffener (4) are same plane, be connected and fixed by enhancement Layer one (5) between stiffener (4) and formed product face (2) lower surface, be provided with in the concave surface of formed product face (2) and the suction hole of inner space (6).
9. automotive trim plastics suction mould structure according to claim 8, is characterized in that: described base (1) is provided with chamfering (a) along limit, the angular dimension of this chamfering (a) is 10 ° ~ 15 °.
10. automotive trim plastics suction mould structure according to claim 8, is characterized in that:
Described formed product face (2) is made up of interior trim plastics suction mould top layer (7) and enhancement Layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416829.XA CN105346058A (en) | 2014-08-22 | 2014-08-22 | Automobile interior absorbing-plastics mold structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416829.XA CN105346058A (en) | 2014-08-22 | 2014-08-22 | Automobile interior absorbing-plastics mold structure and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105346058A true CN105346058A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410416829.XA Pending CN105346058A (en) | 2014-08-22 | 2014-08-22 | Automobile interior absorbing-plastics mold structure and preparation method thereof |
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| Country | Link |
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| CN (1) | CN105346058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808172A (en) * | 2017-02-15 | 2017-06-09 | 苏州明和行新材料科技有限公司 | A kind of preparation method of titanium alloy component hot forming tool |
| CN111113861A (en) * | 2019-01-31 | 2020-05-08 | 郑州宇通模具有限公司 | Plastic suction mould |
| CN115107260A (en) * | 2022-07-20 | 2022-09-27 | 石家庄鑫龙机械有限公司 | Concave type plastic suction mold for automobile foot pad and manufacturing method |
-
2014
- 2014-08-22 CN CN201410416829.XA patent/CN105346058A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808172A (en) * | 2017-02-15 | 2017-06-09 | 苏州明和行新材料科技有限公司 | A kind of preparation method of titanium alloy component hot forming tool |
| CN111113861A (en) * | 2019-01-31 | 2020-05-08 | 郑州宇通模具有限公司 | Plastic suction mould |
| CN115107260A (en) * | 2022-07-20 | 2022-09-27 | 石家庄鑫龙机械有限公司 | Concave type plastic suction mold for automobile foot pad and manufacturing method |
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Application publication date: 20160224 |