CN203830699U - Die-casting shaping mold for sealing covers of scavenging openings of engines - Google Patents
Die-casting shaping mold for sealing covers of scavenging openings of engines Download PDFInfo
- Publication number
- CN203830699U CN203830699U CN201420277875.1U CN201420277875U CN203830699U CN 203830699 U CN203830699 U CN 203830699U CN 201420277875 U CN201420277875 U CN 201420277875U CN 203830699 U CN203830699 U CN 203830699U
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- China
- Prior art keywords
- die
- seal cover
- scavenging port
- port seal
- engine scavenging
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- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a die-casting shaping mold, in particular to a die-casting shaping mold for sealing covers of scavenging openings of engines, wherein a core pulling component and a sliding block components are of a linkage type structure, and meanwhile, joint faces between upper and lower mold components have the accordant curvature with the sealing cover of the scavenging opening of the engine. And therefore, technical problems are solved, so that the die-casting shaping mold for sealing covers, with certain curvatures and through holes, of scavenging openings of engines is good in mold closing tightness and high in mold opening/closing efficiency; when in specific use, the die-casting shaping mold for sealing covers of scavenging openings of engines is short in mold opening/closing time and high in production efficiency; meanwhile, the die-casting sealing cover of the scavenging opening of the engine produced by the die-casting shaping mold is good in quality and high in accuracy of dimension.
Description
Technical field
The utility model relates to a kind of die-casting forming die, particularly a kind of die-casting forming die of engine scavenging port seal cover.
Background technology
Engine scavenging port seal cover is the conventional parts on a kind of engine cylinder-body, its be aluminium diecasting the same as engine cylinder-body.
The shape of available engine scavenging port seal cover is changeable, just occur that at present a kind of overall athwartship plane is with certain curvature, and on lamellar body, be formed with the engine scavenging port seal cover of through hole, the production of this kind of engine scavenging port seal cover is basic identical with die casting and common die casting, upper die component, lower membrane module, slide block assembly, power part and ejecting mechanism are roughly comprised, wherein owing to being formed with through hole on engine scavenging port seal cover, the lower membrane module in therefore above-mentioned has comprised the assembly of loosing core.But the assembly of loosing core in above-mentioned existing engine scavenging port seal cover die-casting forming die needs independently power source (mostly being engine) for it provides the power while closing film and the demoulding, therefore to cause stripping process increase, affects the relevant issues of operating efficiency; Meanwhile, above-mentioned in the face that closes of upper and lower membrane module be plane, consider that above-mentioned engine scavenging port seal cover product itself, with certain curvature, therefore closes film sealing effectiveness poor.To sum up, need to make further technological improvement to the die-casting forming die of existing above-mentioned engine scavenging port seal cover product.
Utility model content
The purpose of this utility model is the die-casting forming die that a kind of engine scavenging port seal cover is provided in order to solve above-mentioned the deficiencies in the prior art.Slide block and both interlocks of loosing core in above-mentioned die-casting forming die, and matched moulds compactness is good.
To achieve these goals, the die-casting forming die of the designed a kind of engine scavenging port seal cover of the utility model, comprise upper die component, lower membrane module and ejecting mechanism, wherein in the lower mold core of described lower membrane module, be formed with cavity under more than one pair of engine scavenging port seal cover, and mutually circulate by the aluminium liquid runner being formed in lower mold core, this aluminium liquid runner enters in the cone mouth that is fixed on the spreader in low mold frame after drawing lower mold core, in low mold frame, go back symmetry shape and be provided with slide block slot, in each slide block slot, be all connected with slide block, in the upper mold core of described upper die component, be formed with cavity on the engine scavenging port seal cover corresponding with cavity under above-mentioned engine scavenging port seal cover, be provided with the sprue gate and the oblique Angle Pin being inserted in slide block that match with above-mentioned spreader upper on framed, ejecting mechanism is fixed on the low mold frame bottom of lower membrane module, and its thimble runs through lower mold core, the part that is formed with cavity under engine scavenging port seal cover on described lower membrane module is cambered surface ridge structure, the part that is formed with cavity on engine scavenging port seal cover on described upper die component is the recessed structure of collapsing, when upper, lower membrane module carries out after matched moulds, this bump and recessed collapse part both fit tightly, and both curvature is consistent with the curvature of engine scavenging port seal cover, in described low mold frame, be also embedded with the seat of inserting being connected with slide block, this seat of inserting is provided with oblique gathering sill, in this oblique gathering sill, be connected with and loose core, this core block of loosing core on top end face coordinates with lower mold core, and Kong Zhu in this core block is positioned at cavity under the engine scavenging port seal cover of lower mold core.
In the die-casting forming die structure of above-mentioned provided a kind of engine scavenging port seal cover, slide block with loose core that both are connected, when upper die component carries out die sinking or matched moulds with lower membrane module under external force, Angle Pin band movable slider on upper die component is realized slip in slide block slot, synchronous slide block drives to loose core again realizes lifting inserting on seat, thereby make above-mentioned die casting move power is provided for loosing core without power source (mostly being engine) is set in addition in actual production, simultaneously again just because of the lifting action of loosing core and upper, the mould assembling action of opening of lower membrane module realizes synchronous, therefore can not affect the operating efficiency in engine scavenging port seal cover Die Casting process.Finally, also because the land area between upper and lower membrane module is with the curvature consistent with engine scavenging port seal cover product, therefore both compactnesses in the time of matched moulds are relatively better, can ensure the Die Casting effect of product.
In order to promote further mold alignment and the compactness in upper and lower membrane module matched moulds process, on the periphery of described lower mold core, be provided with spacing guide ledges, on the periphery of described upper mold core, be provided with spacing direction recess, in the time of the mutual matched moulds of upper and lower membrane module, this spacing guide ledges is positioned at corresponding spacing direction recess.
The die-casting forming die of a kind of engine scavenging port seal cover that the utility model obtains, its folding mould in concrete use is consuming time short, and production efficiency is high; The good product quality of the engine scavenging port seal cover die casting of simultaneously producing by above-mentioned die-casting forming die, the product size degree of accuracy is high.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of bed die of die-casting forming die of engine scavenging port seal cover that provides in embodiment 1;
Fig. 2 is the structural representation of a kind of mold of die-casting forming die of engine scavenging port seal cover that provides in embodiment 1;
Fig. 3 is the structural representation of a kind of die-casting forming die of engine scavenging port seal cover that provides in embodiment 1;
Fig. 4 is the structural representation of a kind of bed die of die-casting forming die of engine scavenging port seal cover that provides in embodiment 2;
Fig. 5 is the structural representation of a kind of mold of die-casting forming die of engine scavenging port seal cover that provides in embodiment 2.
In figure: cavity 9-1 on cavity 4-1, aluminium liquid runner 4-2, low mold frame 5, spreader 6, slide block slot 7, slide block 8, upper mold core 9, engine scavenging port seal cover under upper die component 1, lower membrane module 2, ejecting mechanism 3, thimble 3-1, lower mold core 4, engine scavenging port seal cover, upper framed 10, sprue gate 11, Angle Pin 12, the seat 13 of inserting, tiltedly gathering sill 13-1, loose core 14, core block 15, spacing guide ledges 16, spacing direction recess 17.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As Figure 1-3, the die-casting forming die of a kind of engine scavenging port seal cover providing in the present embodiment, comprise upper die component 1, lower membrane module 2 and ejecting mechanism 3, wherein in the lower mold core 4 of described lower membrane module 2, be formed with cavity 4-1 under more than one pair of engine scavenging port seal cover, and mutually circulate by the aluminium liquid runner 4-2 being formed in lower mold core 4, this aluminium liquid runner 4-2 enters in the cone mouth of the spreader 6 being fixed in low mold frame 5 after drawing lower mold core 4, in low mold frame 5, go back symmetry shape and be provided with slide block slot 7, the interior slide block 8 that is all connected with of each slide block slot 7, in the upper mold core 9 of described upper die component 1, be formed with cavity 9-1 on the engine scavenging port seal cover corresponding with cavity 4-1 under above-mentioned engine scavenging port seal cover, on upper framed 10, be provided with the sprue gate 11 and the oblique Angle Pin 12 being inserted in slide block 8 that match with above-mentioned spreader 6, ejecting mechanism 3 is fixed on low mold frame 5 bottoms of lower membrane module 2, and its thimble 3-1 runs through lower mold core 4, the part that is formed with cavity 4-1 under engine scavenging port seal cover on described lower membrane module 2 is cambered surface ridge structure, the part that is formed with cavity 9-1 on engine scavenging port seal cover on described upper die component 1 is the recessed structure of collapsing, when upper, lower membrane module 1, 2 carry out after matched moulds, this bump and recessed collapse part both fit tightly, and both curvature is consistent with the curvature of engine scavenging port seal cover, in described low mold frame 5, be also embedded with the seat 13 of inserting being connected with slide block 8, this seat 13 of inserting is provided with oblique gathering sill 13-1, in this oblique gathering sill 13-1, be connected with and loose core 14, this core block 15 of loosing core on 14 top end faces coordinates with lower mold core 4, and Kong Zhu in this core block 15 is positioned at cavity 4-1 under the engine scavenging port seal cover of lower mold core 4.
In the die-casting forming die structure of above-mentioned provided a kind of engine scavenging port seal cover, slide block 8 with loose core 14 both be connected, when upper die component 1 carries out die sinking or matched moulds with lower membrane module 2 under external force, Angle Pin 12 on upper die component 1 is with movable slider 8 to slide in the interior realization of slide block slot 7, synchronous slide block 8 drives to loose core again 14 realizes lifting at the seat of inserting on 13, thereby make above-mentioned die casting move power is provided for loosing core without power source (mostly being engine) is set in addition in actual production, simultaneously again just because of 14 the lifting action and upper of loosing core, lower membrane module 1, 2 the mould assembling action of opening realizes synchronous, therefore can not affect the operating efficiency in engine scavenging port seal cover Die Casting process.Finally, also because the land area between upper and lower membrane module 1,2 is with the curvature consistent with engine scavenging port seal cover product, therefore both compactnesses in the time of matched moulds are relatively better, can ensure the Die Casting effect of product.
Embodiment 2:
The die-casting forming die of a kind of engine scavenging port seal cover providing in the present embodiment, its general structure is consistent with embodiment 1, but in order to promote further mold alignment and the compactness in upper and lower membrane module 1,2 matched moulds processes, as shown in Figure 4 and Figure 5, in the present embodiment, on the periphery of lower mold core 4, be provided with spacing guide ledges 16, on the periphery of described upper mold core 9, be provided with spacing direction recess 17, in the time of upper and lower membrane module 1,2 mutual matched moulds, this spacing guide ledges 16 is positioned at corresponding spacing direction recess 17.
Claims (2)
1. the die-casting forming die of an engine scavenging port seal cover, comprise upper die component (1), lower membrane module (2) and ejecting mechanism (3), wherein in the lower mold core (4) of described lower membrane module (2), be formed with cavity (4-1) under more than one pair of engine scavenging port seal cover, and mutually circulate by the aluminium liquid runner (4-2) being formed in lower mold core (4), this aluminium liquid runner (4-2) enters in the cone mouth of the spreader (6) being fixed in low mold frame (5) after drawing lower mold core (4), in low mold frame (5), go back symmetry shape and be provided with slide block slot (7), in each slide block slot (7), be all connected with slide block (8), in the upper mold core (9) of described upper die component (1), be formed with cavity (9-1) on the engine scavenging port seal cover corresponding with cavity (4-1) under above-mentioned engine scavenging port seal cover, on upper framed (10), be provided with the sprue gate (11) and the oblique Angle Pin (12) being inserted in slide block (8) that match with above-mentioned spreader (6), ejecting mechanism (3) is fixed on low mold frame (5) bottom of lower membrane module (2), and its thimble (3-1) runs through lower mold core (4), the part that it is characterized in that being formed with on described lower membrane module (2) cavity (4-1) under engine scavenging port seal cover is cambered surface ridge structure, the part that is formed with cavity (9-1) on engine scavenging port seal cover on described upper die component (1) is the recessed structure of collapsing, when upper, lower membrane module (1) (2) carries out after matched moulds, this bump and recessed collapse part both fit tightly, and both curvature is consistent with the curvature of engine scavenging port seal cover, in described low mold frame (5), be also embedded with the seat (13) of inserting being connected with slide block (8), this seat (13) of inserting is provided with oblique gathering sill (13-1), in this oblique gathering sill (13-1), be connected with loose core (14), this core block (15) of loosing core on (14) top end face coordinates with lower mold core (4), and Kong Zhu in this core block (15) is positioned at cavity (4-1) under the engine scavenging port seal cover of lower mold core (4).
2. the die-casting forming die of a kind of engine scavenging port seal cover according to claim 1, it is characterized in that being provided with spacing guide ledges (16) on the periphery of described lower mold core (4), on the periphery of described upper mold core (9), be provided with spacing direction recess (17), in the time of the mutual matched moulds of upper and lower membrane module (2), this spacing guide ledges (16) is positioned at corresponding spacing direction recess (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277875.1U CN203830699U (en) | 2014-05-28 | 2014-05-28 | Die-casting shaping mold for sealing covers of scavenging openings of engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277875.1U CN203830699U (en) | 2014-05-28 | 2014-05-28 | Die-casting shaping mold for sealing covers of scavenging openings of engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830699U true CN203830699U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277875.1U Expired - Fee Related CN203830699U (en) | 2014-05-28 | 2014-05-28 | Die-casting shaping mold for sealing covers of scavenging openings of engines |
Country Status (1)
| Country | Link |
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| CN (1) | CN203830699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583662A (en) * | 2016-12-22 | 2017-04-26 | 重庆腾增模具制造有限公司 | Pouring mold for motorcycle air cylinder cover molding |
| CN104308083B (en) * | 2014-10-09 | 2018-07-17 | 北京时代锐智科技有限公司 | The metal mold and its compression casting method of gear box cover |
-
2014
- 2014-05-28 CN CN201420277875.1U patent/CN203830699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308083B (en) * | 2014-10-09 | 2018-07-17 | 北京时代锐智科技有限公司 | The metal mold and its compression casting method of gear box cover |
| CN106583662A (en) * | 2016-12-22 | 2017-04-26 | 重庆腾增模具制造有限公司 | Pouring mold for motorcycle air cylinder cover molding |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20200528 |