CN203567039U - Forming mechanism of injection mold for front fog lamp welding bracket - Google Patents
Forming mechanism of injection mold for front fog lamp welding bracket Download PDFInfo
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- CN203567039U CN203567039U CN201320599271.4U CN201320599271U CN203567039U CN 203567039 U CN203567039 U CN 203567039U CN 201320599271 U CN201320599271 U CN 201320599271U CN 203567039 U CN203567039 U CN 203567039U
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- die cavity
- core
- injection mold
- fog lamp
- forming
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Abstract
The utility model provides a forming mechanism of an injection mold for a front fog lamp welding bracket, and belongs to the technical field of machinery. The forming mechanism solves the problem of great machining difficulty of a core and a cavity of the existing mold. The forming mechanism of the injection mold for the front fog lamp welding bracket comprises a core and cavities, wherein a convex forming surface is arranged on the core; concave forming parts are arranged on the cavities; the cavities are fixedly connected with convex insert posts; and the insert posts can extend into forming holes reserved in the core. According to the forming mechanism, the insert posts are embedded into the cavities, so that a forming effect is exerted on the concave forming holes; and the forming mechanism adopts the embedded insert posts, so that machining of the mold is simpler and more convenient, and assembling and maintenance processes of the mold are more convenient.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of injection mold, particularly a kind of front fog lamp welding support injection mold.
Background technology
Injection mold is plastic injection moulding process tooling device used, and it is mainly used in molded thermoplastic plastic products.Injection mold is comprised of dynamic model and cover half two large divisions; dynamic model is arranged on the moving platen of injector; cover half is arranged on the solid plate of injector; moving before injection, cover half closure under injector drives, form die cavity and running gate system, and injector is all that plastic melt injects die cavity by running gate system by plastifying; after cooled and solidified; moving, cover half is opened, and mould emptier is released plastic cement, completes the injection moulding action of a workpiece.
The main shaping mechanism of mould of the prior art is core and die cavity, core of the prior art and die cavity can be divided into monoblock type and the pattern such as embedded, monoblock type is core or the direct machine-shaping of die cavity, its structural stability is high, but cost is higher, processing inconvenience, for the higher mould core & cavity of some forming requirements, its material cost is also higher.Embedded mould core & cavity adopts split type mould core & cavity to machine in rear embedding core or die cavity housing, and split type owing to adopting, core and pocket machining are convenient, and its material also can be selected the comparatively material of high-quality, and cost is lower.The molding mechanism of prior art is often according to the structure of product, after determining die joint, design core and die cavity pattern and layout, for some baroque products, the product that difference in height is larger, because the difference in height between its partial structurtes is larger, therefore between local core and die cavity, also can produce larger drop, the core of this class mould and the pocket machining difficulty of getting up is larger, and cost is higher.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of shaping mechanism of front fog lamp welding support injection mold, and its die cavity adopts split type, and moulding is simple, convenient processing.
The purpose of this utility model can realize by following technical proposal: a kind of shaping mechanism of front fog lamp welding support injection mold, comprise core and die cavity, the bossed forming surface of tool on described core, the forming part on described die cavity with indent, it is characterized in that, on described die cavity, be fixedly connected with bossed edge post, described edge post can stretch in forming hole reserved on core.
On workpiece, there are two forming holes, this forming hole act as fog lamp support, because its indent height is larger, cavity structure is complicated, be not easy to direct machine-shaping, therefore the mode by edge post is fixed on die cavity, makes the processing of die cavity more simple and convenient, and the installation of mould, the work such as repair a die are also comparatively simple.
In the shaping mechanism of above-mentioned front fog lamp welding support injection mold, described die cavity adopts mould two chambeies, has two forming holes on each described die cavity, and described edge post is four.Adopt mould two chambeies, plastic two workpiece of a shot.
In the shaping mechanism of above-mentioned front fog lamp welding support injection mold, between described edge post and die cavity, be tight fit.Between edge post and die cavity, by tight fit, achieve a fixed connection, due to the setting of inconvenient other syndetons herein, therefore directly utilize tight fit can make to complete and be fixedly connected with between die cavity and edge post.
In the shaping mechanism of above-mentioned front fog lamp welding support injection mold, between described core and die cavity, have radially position-limit mechanism, described position-limit mechanism comprises and is positioned at the spacing center pillar at die cavity edge middle part and is positioned at the spacing bayonet socket matching with spacing center pillar on core.Utilize the effect of position-limit mechanism also can make radial position between die cavity and core fix, also can play certain guide effect simultaneously, the closure that while making moving platen action, core and die cavity can be more stable.
In the shaping mechanism of above-mentioned front fog lamp welding support injection mold, described position-limit mechanism also comprises and is positioned at two positive stop lug boss of die cavity end and is positioned at the limit notch that core edge matches with positive stop lug boss.
Compared with prior art, this shaping mechanism is embedded in edge post at die cavity, the forming hole that plays concave carries out the effect of moulding, because it adopts Embedded edge post, make Mould Machining more simple and convenient, die assembly, maintenance process are also convenient, by the position-limit mechanism arranging between core and die cavity, can to forming process, lead easily, prevent that in process of injection molding, minor shifts occurring causes workpiece to produce overlap, the problems such as injection pressure deficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of workpiece in the utility model;
Fig. 2 is the perspective view of core in the utility model;
Fig. 3 is the perspective view of die cavity in the utility model;
Fig. 4 is perspective view of the present utility model.
In figure, 1, core; 11, forming surface; 2, die cavity; 21, forming part; 3, edge post; 4, forming hole; 5, spacing center pillar; 6, spacing bayonet socket; 7, positive stop lug boss; 8, limit notch; 9, workpiece; 91, bracket holes.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Be illustrated in figure 1 the structural representation of this workpiece 9, have two bracket holes 91 on workpiece 9, because it is highly higher, so the structure of core 1 and die cavity 2 need be passed through special processing when this bracket holes 91 is carried out to moulding.
As shown in Figures 2 to 4, the shaping mechanism of this front fog lamp welding support injection mold, comprise core 1 and die cavity 2, the bossed forming surface 11 of tool on described core 1, the forming part 21 on described die cavity 2 with indent, on described die cavity 2, be fixedly connected with bossed edge post 3, described edge post 3 can stretch in forming hole reserved on core 14.Described die cavity 2 adopts mould two chambeies, on each described die cavity 2, has two forming holes 4, and described edge post 3 is four.Inlay for convenience the fixing of post 3 and die cavity 2, between described edge post 3 and die cavity 2, adopt tight fit.
Between this core 1 and die cavity 2, also have radially position-limit mechanism, described position-limit mechanism comprises and is positioned at the spacing center pillar 5 at die cavity 2 edges middle parts and is positioned at the spacing bayonet socket 6 matching with spacing center pillar 5 on core 1.And be positioned at two positive stop lug boss 7 of die cavity 2 ends and be positioned at the limit notch 8 that core 1 edge matches with positive stop lug boss 7.Utilize the effect of position-limit mechanism can make radial position between die cavity 2 and core 1 fix, also can play certain guide effect simultaneously, the closure that while making moving platen action, core 1 and die cavity 2 can be more stable.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. the shaping mechanism of a front fog lamp welding support injection mold, comprise core and die cavity, the bossed forming surface of tool on described core, the forming part on described die cavity with indent, it is characterized in that, on described die cavity, be fixedly connected with bossed edge post, described edge post can stretch in forming hole reserved on core.
2. the shaping mechanism of front fog lamp welding support injection mold according to claim 1, is characterized in that, described die cavity adopts mould two chambeies, has two forming holes on each described die cavity, and described edge post is four.
3. the shaping mechanism of front fog lamp welding support injection mold according to claim 1 and 2, is characterized in that, between described edge post and die cavity, is tight fit.
4. the shaping mechanism of front fog lamp welding support injection mold according to claim 1 and 2, it is characterized in that, between described core and die cavity, have radially position-limit mechanism, described position-limit mechanism comprises and is positioned at the spacing center pillar at die cavity edge middle part and is positioned at the spacing bayonet socket matching with spacing center pillar on core.
5. the shaping mechanism of front fog lamp welding support injection mold according to claim 4, is characterized in that, described position-limit mechanism also comprises and is positioned at two positive stop lug boss of die cavity end and is positioned at the limit notch that core edge matches with positive stop lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599271.4U CN203567039U (en) | 2013-09-26 | 2013-09-26 | Forming mechanism of injection mold for front fog lamp welding bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599271.4U CN203567039U (en) | 2013-09-26 | 2013-09-26 | Forming mechanism of injection mold for front fog lamp welding bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567039U true CN203567039U (en) | 2014-04-30 |
Family
ID=50534795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320599271.4U Expired - Fee Related CN203567039U (en) | 2013-09-26 | 2013-09-26 | Forming mechanism of injection mold for front fog lamp welding bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203567039U (en) |
-
2013
- 2013-09-26 CN CN201320599271.4U patent/CN203567039U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |