CN203994425U - Injection moulding apparatus - Google Patents
Injection moulding apparatus Download PDFInfo
- Publication number
- CN203994425U CN203994425U CN201420444464.7U CN201420444464U CN203994425U CN 203994425 U CN203994425 U CN 203994425U CN 201420444464 U CN201420444464 U CN 201420444464U CN 203994425 U CN203994425 U CN 203994425U
- Authority
- CN
- China
- Prior art keywords
- bright wisp
- die cavity
- injection moulding
- bound edge
- folded end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 55
- 229920001971 elastomer Polymers 0.000 claims abstract description 63
- 239000000806 elastomer Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000000155 melt Substances 0.000 claims description 11
- -1 polypropylene Polymers 0.000 claims description 6
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a kind of injection moulding apparatus, be used to form the integrated binding structure of bright wisp and bound edge, described bright wisp comprises folded end, and injection moulding apparatus comprises: mould, have for injecting the die cavity of melting bound edge material, described die cavity comprises the die cavity inwall matching with described bright wisp; Described bright wisp is for be positioned over described die cavity when injection moulding, between the folded end of the described bright wisp die cavity inwall relative with described folded end, is provided with elastomer, for making, between described folded end and described die cavity inwall, realizes and sealing; The beneficial effects of the utility model are that the folded end of bright wisp does not have bound edge material and covers, and have promoted the qualification rate of the binding structure forming, and then have promoted the production yield of whole binding structure.
Description
Technical field
The utility model relates to automotive field, is specifically related to a kind of injection moulding apparatus.
Background technology
Thereby in order to improve the sealing of vehicle window, make vehicle window be installed on better car body, between car body and vehicle window, be conventionally provided with the binding structure with sealing function.
Further, in order to promote the aesthetic measure of described binding structure, when manufacturing described binding structure, on binding structure, be provided for the bright wisp (bright trim) of decorating.So existing binding structure generally comprises the bound edge that can seal vehicle window and car body, and cover the main bright wisp that plays decoration function in described bound edge surface.
Because bright wisp and bound edge are generally the material that material is different, in prior art, the general mode of injection moulding integrated molding that adopts is fixed together bound edge and bright wisp, to form described binding structure.Prior art adopts injection moulding mode to make bright wisp and binding structure when one-body molded, first bright wisp is placed in the die cavity of mould, the decorative cover of bright wisp and die cavity inwall fit, and then in the die cavity of mould, inject melting bound edge material, and the bound edge of cooling rear formation combines with the back side of bright wisp.
In the binding structure that prior art injection moulding forms, on the decorative cover of part bright wisp, easily adhere to bound edge material and be difficult to remove, affected the aesthetic property of bright wisp, the binding structure with this bright wisp does not meet production standard conventionally, and then affects the production yield of whole binding structure.
Utility model content
Therefore, need a kind of injection moulding apparatus, to avoid when injection moulding integrated molding bright wisp and the bound edge, bound edge material is attached on the decorative cover of bright wisp.
For addressing the above problem, the utility model provides a kind of injection moulding apparatus, is used to form the integrated binding structure of bright wisp and bound edge, and described bright wisp comprises folded end, and described injection moulding apparatus comprises:
Mould, has for injecting the die cavity of melting bound edge material, and described die cavity comprises the die cavity inwall matching with described bright wisp;
Described bright wisp is for be positioned over described die cavity when injection moulding, between the folded end of the described bright wisp die cavity inwall relative with described folded end, is provided with elastomer, for making, between described folded end and described die cavity inwall, realizes and sealing.
Optionally, described elastomeric melting point is more than or equal to the melt temperature of bound edge material.
Optionally, described elastomer in the form of sheets or ring-type.
Optionally, described elastomer adheres in the folded end of described bright wisp, or described elastomer adheres on die cavity inwall relative with described folded end in mould.
Optionally, described elastomeric yield strength is not less than under the melt temperature of bound edge material bright wisp to elastomeric pressure.
Optionally, described elastomer is polypropylene, acrylonitrile-butadiene-styrene copolymer or polyethylene.
Optionally, described bound edge material is thermoplastic elastomer (TPE).
Optionally, described bound edge material is polyvinyl chloride.
Optionally, described bright wisp is metal bright wisp.
Compared with prior art, the technical solution of the utility model has the following advantages:
Because described injection moulding apparatus has elastomer between the folded end of the bright wisp die cavity inwall relative with described folded end, described elastomer can make to realize and sealing between folded end and described die cavity inwall, inject the bound edge material of melting in die cavity after, bound edge material also can not flow between the folded end and die cavity inwall of bright wisp, and then the folded end that has guaranteed bright wisp does not have the covering of bound edge material, promote the qualification rate of the binding structure forming, and then promoted the production yield of whole binding structure.
In addition, described elastomeric melting point is more than or equal to the melt temperature of bound edge material, can guarantee injection moulding process be hit by a bullet gonosome can not be subject to melting bound edge material impact and melt, further guaranteed the sealing between folded end and described die cavity inwall.
In addition, described elastomeric yield strength is not less than under the melt temperature of bound edge material bright wisp to elastomeric pressure, like this after injection moulding, elastomer can return back to original shape, improved elastomeric service life, avoided elastomer because the stressed yield strength that surpasses produces permanent deformation while causing injection moulding next time, between new bright wisp and die cavity inwall, cannot seal.
Accompanying drawing explanation
Fig. 1 to Fig. 4 is the structural representation of the utility model injection moulding apparatus one embodiment;
Fig. 5 is the structural representation of another embodiment of the utility model injection moulding apparatus;
Fig. 6 is the utility model injection moulding apparatus structural representation of an embodiment again;
The schematic flow sheet of each step when Fig. 7 forms binding structure for employing injection moulding apparatus of the present utility model;
Fig. 8 is the structural representation of glass for vehicle window one embodiment of the binding structure that comprises that the utility model injection moulding apparatus forms.
The specific embodiment
In the binding structure that prior art injection moulding forms, on part bright wisp decorative cover, easily adhere to bound edge material and be difficult to remove.By analyzing each step acquisition reason of each parts and the injection moulding process of injection moulding apparatus: owing to having tolerance between mould and bright wisp, between the decorative cover of bright wisp and die cavity inwall, easily there is space, in injection moulding process, the bound edge material of molten condition easily enters described space and is attached on the decorative cover of bright wisp, specifically, bound edge material is easily attached to the upper surface of decorative cover.The upper surface of decorative cover adheres to the production yield that bound edge material is easy to affect whole binding structure.
For above-mentioned purpose of the present utility model, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.
In order to solve the technical problem of describing in background technology, the utility model provides a kind of injection moulding apparatus, is used to form the integrated binding structure of bright wisp and bound edge.Described binding structure comprises: bound edge and be coated on the bright wisp of bound edge outside.
In the prior art, it is outside that the mode that described bright wisp generally assembles by the later stage is coated on described bound edge, that is to say, first form bound edge, then on bound edge and bright wisp, buckle is set, the mode engaging by machinery is assembled together bright wisp and bound edge, and then forms binding structure.But this mode is more time-consuming, need ancillary cost manpower and materials that bound edge and bright wisp are assembled together.
In the binding structure that the injection moulding apparatus that provides at the present embodiment forms, bound edge and bright wisp are structure as a whole, and the folded end of described bright wisp (the namely decorative cover of bright wisp) do not have residual bound edge material, and folded end is also not easy to be scratched.
Shown in figure 1, it is the structural representation of the bright wisp that will use in the present embodiment injection moulding apparatus.Described bright wisp 110 comprises folded end 111, and described folded end 111 is for covering the end of bound edge.
In conjunction with reference to figure 2 and Fig. 3, wherein, Fig. 2 is the structural representation of mold cavity 200 in the injection moulding apparatus in the present embodiment, and Fig. 3 is for to be placed in the schematic diagram after described die cavity 200 by bright wisp 110 and bound edge material.
Described die cavity 200 is for injecting melting bound edge material, there is the die cavity inwall matching with described bright wisp 110, when injection moulding integrated molding, first described bright wisp 110 is placed in described die cavity 200, then to the described melting bound edge of the interior injection of described die cavity 200 material, with reference to figure 3, melting bound edge material wherein has been shaped to bound edge 100.
In the present embodiment, elastomer 70 is located on the die cavity inwall that described die cavity 200 is relative with described folded end 111 (with reference to figure 2), in the time of in the middle of bright wisp 110 is positioned over described die cavity 200, described elastomer 70, between the folded end 111 of described bright wisp 110 die cavity 200 inwalls relative with described folded end 111, is realized and is sealed (with reference to figure 3) between described folded end 111 and described die cavity 200 inwalls for making.
After the bound edge material to the interior injection melting of die cavity 200, owing to being provided with described elastomer 70 between the folded end 111 of bright wisp 110 and die cavity inwall, described elastomer 70 can play sealing function, the bound edge material of melting can not flow between the folded end 111 and die cavity 200 inwalls of bright wisp 110, the folded end 111 that has guaranteed bright wisp 110 does not have the covering of bound edge material, and then promoted the qualification rate of the binding structure forming, promoted the production yield of whole binding structure.
In the present embodiment, described elastomer 70 adheres on die cavity 200 inwalls relative with described folded end, when the decorative cover of bright wisp is covered in to described die cavity 200 inwall, described elastomer 70 is in compressive state, makes to seal between described folded end 111 and described die cavity 200 inwalls guaranteeing.
Described elastomer 70 is sticked to die cavity 200 inwalls so that reuse described elastomer 70, after each formation binding structure, after the binding structure of bright wisp 110 and bound edge 100 formations is taken out from die cavity 200, elastomer 70 still can continue to use in the integral forming process of next bright wisp, and this has saved time and production cost to a certain extent.
Further, in the present embodiment, the yield strength of described elastomer 70 is not less than the pressure of 110 pairs of elastomers 70 of bright wisp under the melt temperature of bound edge material.Can guarantee that like this permanent deformation does not occur elastomer 70, increase the life-span of elastomer 70, and then increase the access times of elastomer 70, in injection moulding, form after binding structure, described elastomer 70 still can apply to next time in injection molding process.
In the present embodiment, described elastomer 70 in the form of sheets, like this bright wisp 110 is placed in die cavity 200 interior after, elastomer 70 can cover the folded end of bright wisp 110 111 completely.
In the present embodiment, the melting point of described elastomer 70 is more than or equal to the melt temperature of bound edge material, like this after the interior injection melting of die cavity 200 bound edge material, elastomer 70 is unlikely to lose because of fusing the ability that makes to realize between described folded end 111 and described die cavity 200 inwalls sealing, also be unlikely to fusing and mix mutually with the melting bound edge material injecting, and then guaranteed the quality of bound edge material simultaneously.
In the present embodiment, described elastomer 70 is polypropylene, acrylonitrile-butadiene-styrene copolymer or polyethylene, but these are only the example of the present embodiment, and the utility model is not construed as limiting this, and the material of described elastomer 70 should be selected accordingly according to actual conditions.
In the present embodiment, the material of bound edge 100 is thermoplastic elastomer (TPE).Particularly, described bound edge 100 can be polyvinyl chloride.Same, the utility model is not limited in any way the material of bound edge 100 yet.
In the present embodiment, described bright wisp 110 is metal bright wisp, can play decorative effect better.Correspondingly, the elastomer 70 that the present embodiment is selected is for making to realize between die cavity inwall and metal bright wisp the material of excellent sealing.Same, the utility model is not limited in any way the material of bright wisp 110 yet.
With reference to figure 4 and Fig. 5, show the structural representation of another embodiment of the utility model injection moulding apparatus.The something in common of the present embodiment and a upper embodiment repeats no more, the difference of the present embodiment and a upper embodiment is, described elastomer 71 adheres in the folded end 121 of described bright wisp 120, when described bright wisp 120 is placed in die cavity (not shown), described elastomer 71 equally can be in the folded end 121 of described bright wisp 120 and between the folded end 121 die cavity inwall relative with described folded end 121, and then makes to realize between described folded end 121 and described die cavity inwall sealing.
By one-body molded formation bound edge 101, thereby being fixed together, bound edge and bright wisp 120 form after binding structure, described binding structure is taken out in die cavity, then described elastomer 71 can be removed from described folded end 121, owing to being covered by described elastomer 71 in folded end 121 described in one-body molded process, described folded end 121 is not easy to adhere to bound edge material.
Shown in figure 6, it is the utility model injection moulding apparatus structural representation of an embodiment again.The difference of the present embodiment and the above embodiments is, described elastomer 72 ringwise, the elastomer 72 of described annular covers in part folded end 131, specifically, described elastomer 72 is covered in the edge of the folded end 131 of described bright wisp 130, in injection moulding process, the bound edge material of melting also cannot flow between folded end 131 and described die cavity inwall, so can play sealing function equally; Meanwhile, the material that in the present embodiment, the elastomer 72 of annular is used is less, can reduce material cost.
The schematic flow sheet of each step while forming binding structure with reference to figure 7 for employing injection moulding apparatus of the present utility model:
Step S1, provides a mould, and described mould comprises die cavity, and described die cavity comprises the die cavity inwall matching with described bright wisp;
In the present embodiment, described die cavity can be with reference to the structure of die cavity 200 in figure 2.
Step S2, provides the bright wisp that comprises folded end;
In the present embodiment, the structure of described bright wisp can be with reference to the structure of bright wisp 110 in figure 1, and the described folded end 111 of bright wisp 110 is for covering the end of bound edge.
Further, in the present embodiment, described bright wisp 110 is metal bright wisp, can play decorative effect better.
Step S3 arranges described bright wisp in described die cavity, and between the folded end die cavity inwall relative with described folded end, elastomer is set, so that seal between described folded end and described die cavity inwall;
Described elastomeric melting point is more than or equal to the melt temperature of bound edge material.
Particularly, can, after the bright wisp with folded end is provided, in described folded end, adhere to elastomer (with reference to the bright wisp 120 in figure 4 and elastomer 71); To be stained with afterwards elastomeric bright wisp and be arranged in described die cavity, thereby elastomer is arranged between the folded end die cavity inwall relative with described folded end.
One-body molded the bound edge that forms and bright wisp are fixed together form binding structure after, binding structure is taken out from injection moulding apparatus, and removes the described elastomer sticking on bright wisp.
Because the folded end of bright wisp in one-body molded process is covered by described elastomer, described folded end is not easy to adhere to bound edge material.
But the utility model is intended to, between the folded end die cavity inwall relative with described folded end, elastomer is set, so in other embodiment of the present utility model, also can on the die cavity inwall relative with folded end, adhere in advance elastomer (with reference to the die cavity 200 in figure 2 and elastomer 70), then bright wisp is arranged at and is stained with in elastomeric die cavity, elastomer is arranged between the folded end die cavity inwall relative with described folded end, the elastomer arranging like this can reuse, after taking out the binding structure of moulding, the elastomer that is placed in die cavity inwall can be used in next time in integral forming process.
Further, in the present embodiment, can make described elastomeric yield strength be not less than under the melt temperature of bound edge material bright wisp to elastomeric pressure, can guarantee that like this permanent deformation does not occur elastomer, increase the elastomeric life-span, after injection moulding forms binding structure and described binding structure is taken out from die cavity, the elastomer that is positioned at cavity lateral still can return to the original form, can guarantee that so described elastomer can apply to, in injection moulding next time, provide cost savings.
Step S4 injects the bound edge material of melting in described die cavity.Described elastomeric melting point is more than or equal to the melt temperature of bound edge material, like this inject melting bound edge material in die cavity after, elastomer is unlikely to fusing and loses the ability that makes to realize between described folded end and described die cavity inwall sealing, also be unlikely to fusing and mix mutually with the melting bound edge material injecting, the material of the bound edge that impact forms simultaneously.
Owing between the folded end die cavity inwall relative with described folded end, elastomer being set, described elastomer can make to realize and sealing between folded end and described die cavity inwall, inject the bound edge material of melting in die cavity after, bound edge material also can not flow between the folded end and die cavity inwall of bright wisp, and then the folded end that has guaranteed bright wisp does not have the covering of bound edge material, promote the qualification rate of the binding structure forming, and then promoted the production yield of whole binding structure.
It with reference to figure 8, is the structural representation of glass for vehicle window one embodiment of the binding structure that comprises that the utility model injection moulding apparatus forms, described glass for vehicle window comprises glass substrate 50, and as the binding structure (comprising bright wisp 140 and bound edge 102) of above-mentioned injection moulding apparatus formation.It should be noted that, only show segment glass substrate 50 and part binding structure in Fig. 8, and the structure in Fig. 8 is only an example of the present embodiment, the utility model is not construed as limiting the concrete shape of described glass substrate and binding structure.
In the formed binding structure of above-mentioned injection moulding apparatus, the folded end 141 of bright wisp 140 can not be coated with bound edge material, has promoted the qualification rate of the binding structure forming, and then has promoted the production yield of whole binding structure.
Although the utility model discloses as above, the utility model is not defined in this.Any those skilled in the art, within not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (9)
1. an injection moulding apparatus, is used to form the integrated binding structure of bright wisp and bound edge, and described bright wisp comprises curved
Folding end, is characterized in that, described injection moulding apparatus comprises:
Mould, has for injecting the die cavity of melting bound edge material, and described die cavity comprises the die cavity inwall matching with described bright wisp;
Described bright wisp is for be positioned over described die cavity when injection moulding, between the folded end of the described bright wisp die cavity inwall relative with described folded end, is provided with elastomer, for making, between described folded end and described die cavity inwall, realizes and sealing.
2. injection moulding apparatus as claimed in claim 1, is characterized in that, described elastomeric melting point is more than or equal to the melt temperature of bound edge material.
3. injection moulding apparatus as claimed in claim 1, is characterized in that, described elastomer in the form of sheets or ring-type.
4. injection moulding apparatus as claimed in claim 1, is characterized in that, described elastomer adheres in the folded end of described bright wisp, or described elastomer adheres on die cavity inwall relative with described folded end in mould.
5. injection moulding apparatus as claimed in claim 1, is characterized in that, described elastomeric yield strength is not less than under the melt temperature of bound edge material bright wisp to elastomeric pressure.
6. injection moulding apparatus as claimed in claim 1, is characterized in that, described elastomer is polypropylene, acrylonitrile-butadiene-styrene copolymer or polyethylene.
7. injection moulding apparatus as claimed in claim 1, is characterized in that, described bound edge material is thermoplastic elastomer (TPE).
8. injection moulding apparatus as claimed in claim 1, is characterized in that, described bound edge material is polyvinyl chloride.
9. injection moulding apparatus as claimed in claim 1, is characterized in that, described bright wisp is metal bright wisp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444464.7U CN203994425U (en) | 2014-08-07 | 2014-08-07 | Injection moulding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420444464.7U CN203994425U (en) | 2014-08-07 | 2014-08-07 | Injection moulding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203994425U true CN203994425U (en) | 2014-12-10 |
Family
ID=52034488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420444464.7U Expired - Lifetime CN203994425U (en) | 2014-08-07 | 2014-08-07 | Injection moulding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203994425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019799A1 (en) * | 2014-08-07 | 2016-02-11 | Saint-Gobain Glass France | Injection molding apparatus, injection molding method and vehicle window glass |
-
2014
- 2014-08-07 CN CN201420444464.7U patent/CN203994425U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016019799A1 (en) * | 2014-08-07 | 2016-02-11 | Saint-Gobain Glass France | Injection molding apparatus, injection molding method and vehicle window glass |
| CN105437456A (en) * | 2014-08-07 | 2016-03-30 | 法国圣戈班玻璃公司 | Injection molding apparatus, injection molding method and vehicle window glass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
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| CX01 | Expiry of patent term |