CN203170942U - Lampshade body die-casting die - Google Patents
Lampshade body die-casting die Download PDFInfo
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- CN203170942U CN203170942U CN 201320174120 CN201320174120U CN203170942U CN 203170942 U CN203170942 U CN 203170942U CN 201320174120 CN201320174120 CN 201320174120 CN 201320174120 U CN201320174120 U CN 201320174120U CN 203170942 U CN203170942 U CN 203170942U
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- push rod
- die
- side slide
- lampshade body
- dynamic model
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Abstract
The utility model discloses a lampshade body die-casting die, comprising a moving die, a fixed die, a first side slide, a second side slide and a push rod, wherein the first side slide and the second side slide are respectively connected with the moving die to realize core pulling, and are movably connected with the fixed die through guide posts to form a vertical somatotype; the moving die, the fixed die, the first side slide and the second side slide form a casting cavity of a lampshade body; a downwards raised mold core is formed in the middle of the bottom of the moving die; an inwards concave horizontal pouring gate, a runner and a flow gate are arranged on one side of the mold core on the bottom of the moving die; an overflow groove is formed on the other side of the mold core on the bottom of the moving core; and the push rod horizontally passes the moving die. The lampshade body die-casting die has the beneficial effects that compared with the prior art, the surface quality of the produced lampshade body is good, the wall thickness is thin, the mass is light, inner flaws are fewer, and the intensity is high.
Description
Technical field
This utility model relates to a kind of die cast metal mould, particularly a kind of die casting for casting street lamp lampshade body.
Background technology
The lampshade body is the vitals of street lamp housing, owing to be the outward appearance part, the lampshade body requires to have higher presentation quality; Because street lamp is installed in the lamp stand top, be in the higher position, so lightweight has become industrial trend; Long term exposure requires the lampshade body to have higher densification and intensity preferably in environment; Lampshade body appearance and size is bigger, is weight reduction, requires to reduce casting section thickness as far as possible.Be easy to produce defectives such as cold shut, misrun in the less production process of wall thickness, and the product distortion is serious.More than requirement directly affects the development of performance and the sector of lampshade body.
At present domestic producer adopts die casting to produce the lampshade body that some reinforcements are more, wall thickness is big, weight is big, and the product surface quality of production is poor, internal flaw is many, the product distortion is serious, service life is short.Reduce production efficiency on the one hand, increased material cost on the other hand.
Summary of the invention
At above deficiency, the purpose of this utility model provides a kind of lampshade body die casting, be in mould, to be provided with running gate system and overflow system, running gate system is located on the dynamic model, and eight runners are arranged, flow into the molten metal of die cavity through each runner, be full of simultaneously and do not have the eddy current gas bag and produce, guaranteed the uniformity of casting quality.
The technical solution of the utility model realizes in the following manner: a kind of lampshade body die casting, comprise dynamic model, cover half, first side slide, second side slide and push rod, described first side slide is connected with dynamic model respectively with second side slide to be realized loosing core, and dynamic model flexibly connects by guide pillar and cover half and forms vertical parting, described dynamic model, cover half, first side slide and second side slide constitute the casting mold cavity of lampshade body, centre position, described dynamic model bottom is provided with the core to lower convexity, described dynamic model bottom core one side is provided with the cross gate of indent, runner and ingate, described dynamic model bottom core opposite side is provided with overflow launder; Described push rod crosses dynamic model.The running gate system of mould mainly is that cross gate and ingate are formed, and the mould row system of overflowing is made up of overflow launder.Die cavity is inner by the gap between the fixed half and moving half and the gap exhaust between side slide and the active and inactive mold, original air just can be discharged after being pressed into motlten metal easily in the die cavity, this has just reduced the molten metal flow resistance, increased molten metal flow, thereby make motlten metal can arrive each position of die cavity smoothly, the product of die cast is not easy to occur defective thus, has improved the quality of product.
The position distribution of the design of the running gate system of mould, overflow system and push rod is most important to the casting quality quality in the utility model.The running gate system of mould is located on the dynamic model, and eight runners are arranged, aluminium liquid is through the mold cavity that enters of ingate uniform and stable during for assurance die casting, produce eddy current bag gas and oxide inclusion defective simultaneously after avoiding molten metal to enter die cavity by cross gate and ingate, outmost two runners are designed to inwardly be 110o with the horizontal edge of foundry goods.Mold flow analysis shows, through the molten metal of each runner inflow die cavity, is full of die cavity substantially simultaneously and does not have eddy current bag gas and the generation of oxide inclusion defective, therefore can guarantee the quality consistency of every die casting.
Aluminium liquid is through the mold cavity that enters of ingate uniform and stable when guaranteeing die casting, produces eddy current bag gas and oxide inclusion defective after having avoided molten metal to enter die cavity by cross gate and ingate simultaneously, and described ingate is sector structure.
The overflow launder of described dynamic model corner is special-shaped overflow launder, can hold the molten metal of more dirt, has avoided the backflow phenomenon of molten metal in overflow launder simultaneously, has reduced defectives such as foundry goods shrinkage cavity, cold shut, misrun, has improved the internal soundness of foundry goods.
Preference, described special-shaped overflow launder are that two trapezoidal overflow launders are in series.
Foundry goods is stressed evenly when releasing foundry goods for the die sinking rear push-rod, be out of shape less, described push rod comprises inboard push rod and outside push rod, described outside push rod is evenly arranged in the foundry goods outward flange, and 1/3rd contacted with foundry goods when outside push rod was released, and the push rod boss is set respectively on the reinforcement of foundry goods.
Preference, the diameter of described inboard push rod have two kinds of sizes, are respectively 16mm and 10mm, and the diameter of described outside push rod is 8mm.
Beneficial effect: the utility model compared with prior art, the lampshade body surface quality of producing is good, wall thickness, quality is light, internal flaw is few, intensity is high.
Description of drawings
Cutaway view when Fig. 1 is the utility model matched moulds;
Fig. 2 is the structural representation of the utility model dynamic model;
Fig. 3 is the utility model foundry goods push rod distribution map.
Among the figure: 1 dynamic model, 2 cover half, 3 first side slides, 4 second side slides, 5 push rods, 6 cores, 7 cross gates, 8 runners, 9 ingates, 10 overflow launders.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of lampshade body die casting, comprise dynamic model 1, cover half 2, first side slide 3, second side slide 4 and push rod 5, described first side slide 3 is connected with dynamic model 1 respectively with second side slide 4 to be realized loosing core, and flexibly connect the formation vertical parting by guide pillar and cover half 2, described dynamic model 1, cover half 2, first side slide 3 and second side slide 4 constitute the casting mold cavity of lampshade body, and centre position, described dynamic model 1 bottom is provided with the core 6 to lower convexity.
As shown in Figure 2, described dynamic model 1 bottom core 6 one sides are provided with cross gate 7, runner 8 and the ingate 9 of indent, and described dynamic model 1 bottom core 6 opposite sides are provided with overflow launder 10; Described push rod 5 crosses dynamic model 1.The running gate system of mould mainly is that cross gate 7 and ingate 9 are formed, and the mould row system of overflowing is made up of overflow launder 10.Die cavity is inner by the gap exhaust between the gap between cover half 2 and the dynamic model 1 and side slide, dynamic model 1, the cover half 2, original air just can be discharged after being pressed into motlten metal easily in the die cavity, this has just reduced the molten metal flow resistance, increased molten metal flow, thereby make motlten metal can arrive each position of die cavity smoothly, the product of die cast is not easy to occur defective thus, has improved the quality of product.
The position distribution of the design of the running gate system of mould, overflow system and push rod 5 is most important to the casting quality quality in the utility model.The running gate system of mould is located on the dynamic model 1, and eight runners 8 are arranged, aluminium liquid is through the mold cavity that enters of ingate uniform and stable during for assurance die casting, produce eddy current bag gas and oxide inclusion defective simultaneously after avoiding molten metal to enter die cavity by cross gate 7 and ingate 9, outmost two runners 8 are designed to inwardly be the 110o angle with the horizontal edge of foundry goods.Mold flow analysis shows, through the molten metal of each runner inflow die cavity, is full of die cavity substantially simultaneously and does not have eddy current bag gas and the generation of oxide inclusion defective, therefore can guarantee the quality consistency of every die casting.
Aluminium liquid is through the mold cavity that enters of ingate uniform and stable when guaranteeing die casting, avoided molten metal to produce eddy current bag gas and oxide inclusion defective by horizontal watering after 7 roads and ingate 9 enter die cavity simultaneously, and described ingate 9 is sector structure.
The overflow launder 10 of described dynamic model 1 corner is special-shaped overflow launder, described special-shaped overflow launder is that two trapezoidal overflow launders are in series, the molten metal that can hold more dirt, avoided the backflow phenomenon of molten metal in overflow launder 10 simultaneously, reduce defectives such as foundry goods shrinkage cavity, cold shut, misrun, improved the internal soundness of foundry goods.
As shown in Figure 3, foundry goods is stressed evenly when releasing foundry goods for die sinking rear push-rod 5, be out of shape less, described push rod 5 comprises inboard push rod 51 and outside push rod 52, described outside push rod 52 is evenly arranged in the foundry goods outward flange, and 1/3rd contacted with foundry goods when outside push rod 52 was released, and push rod boss 11 is set respectively on the reinforcement of foundry goods.
The diameter of described inboard push rod 51 has two kinds of sizes, is respectively 16mm and 10mm, and the diameter of described outside push rod 52 is 8mm.
Working process of mould: during the mould matched moulds, under the guiding and positioning action of guide pillars and bushes, the matched moulds system drives dynamic model 1 and moves to cover half 2 directions, first side slide 3, second side slide 4 are under the Angle Pin effect simultaneously, arrive the operating position, make the mould closure, and provide enough clamp force locking moulds by the matched moulds system.During die casting, by die casting machine work hand aluminium liquid is poured into and to be pressed in the chamber and enter in the mold cavity through exert pressure cross gate 7, runner 8, ingate 9 of injection mechanism, die sinking after pressurize a period of time, matched moulds system drive dynamic model 1 is mobile backward during die sinking, mould opening force drives first side slide 3 by Angle Pin and second side slide 4 outwards moves, throw off fully until side slide and foundry goods, finish the action of loosing core.Foundry goods moves after wrapping on dynamic model 1 core 6 and continuing, and up to push rod 5 foundry goods is released from mould.During matched moulds, push rod resets, and Angle Pin moves inward side slide to reset, and last mold-locked is prepared die casting next time.
Claims (6)
1. lampshade body die casting, comprise dynamic model (1), cover half (2), first side slide (3), second side slide (4) and push rod (5), it is characterized in that: described first side slide (3) is connected with dynamic model (1) respectively with second side slide (4) to be realized loosing core, and flexibly connect the formation vertical parting by guide pillar and cover half (2), described dynamic model (1), cover half (2), first side slide (3) and second side slide (4) constitute the casting mold cavity of lampshade body, centre position, described dynamic model (1) bottom is provided with the core (6) to lower convexity, described dynamic model (1) bottom core (6) one sides are provided with the cross gate (7) of indent, runner (8) and ingate (9), described dynamic model (1) bottom core (6) opposite side is provided with overflow launder (10); Described push rod (5) crosses dynamic model (1).
2. lampshade body die casting according to claim 1, it is characterized in that: the outermost of described runner (8) and the horizontal edge of foundry goods inwardly are the 110o angle.
3. lampshade body die casting according to claim 1 is characterized in that: described ingate (9) is sector structure.
4. lampshade body die casting according to claim 1, it is characterized in that: the overflow launder (10) of described dynamic model (1) corner is in series by two trapezoidal overflow launders.
5. lampshade body die casting according to claim 1, it is characterized in that: described push rod (5) comprises inboard push rod (51) and outside push rod (52), described outside push rod (52) is evenly arranged in the foundry goods outward flange, and 1/3rd contacted with foundry goods when outside push rod (52) was released, and push rod boss (11) is set respectively on the reinforcement of foundry goods.
6. lampshade body die casting according to claim 5, it is characterized in that: the diameter of described inboard push rod (51) has two kinds of sizes, is respectively 16mm and 10mm, and the diameter of described outside push rod (52) is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174120 CN203170942U (en) | 2013-04-09 | 2013-04-09 | Lampshade body die-casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320174120 CN203170942U (en) | 2013-04-09 | 2013-04-09 | Lampshade body die-casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170942U true CN203170942U (en) | 2013-09-04 |
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ID=49067696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320174120 Expired - Fee Related CN203170942U (en) | 2013-04-09 | 2013-04-09 | Lampshade body die-casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170942U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182499A (en) * | 2013-04-09 | 2013-07-03 | 丹阳荣嘉精密机械有限公司 | Lampshade body pressure-casting mould |
| CN104014762A (en) * | 2014-06-23 | 2014-09-03 | 镇江市申茂机械有限公司 | Pressure casting die of lampshade shell |
| CN104014761A (en) * | 2014-06-23 | 2014-09-03 | 镇江市申茂机械有限公司 | Die-casting die of lamp shade panel |
-
2013
- 2013-04-09 CN CN 201320174120 patent/CN203170942U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182499A (en) * | 2013-04-09 | 2013-07-03 | 丹阳荣嘉精密机械有限公司 | Lampshade body pressure-casting mould |
| CN104014762A (en) * | 2014-06-23 | 2014-09-03 | 镇江市申茂机械有限公司 | Pressure casting die of lampshade shell |
| CN104014761A (en) * | 2014-06-23 | 2014-09-03 | 镇江市申茂机械有限公司 | Die-casting die of lamp shade panel |
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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: 20130904 Termination date: 20170409 |