CN102873278B - Composite casting system of crank shaft box - Google Patents
Composite casting system of crank shaft box Download PDFInfo
- Publication number
- CN102873278B CN102873278B CN201210380548.4A CN201210380548A CN102873278B CN 102873278 B CN102873278 B CN 102873278B CN 201210380548 A CN201210380548 A CN 201210380548A CN 102873278 B CN102873278 B CN 102873278B
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- core
- pouring
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- sprue
- gate
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a composite casting system of a crank shaft box. The composite casting system comprises a base plate core, a jacket core, a main core, an end face core, an outer cast core and a pouring system. The base plate core, the jacket core, the main core and the pouring system are sequentially overlapped from the bottom layer to the high layer to form a crank shaft box sand mould structure. The pouring system comprises two rows of pouring openings evenly arranged and gates located outside the two rows of pouring openings. The two rows of pouring openings are communicated with a pouring opening cup through a flow division pouring gate and a pouring gate cup. The gates comprise hole-shaped gates located at four corners and strip gates located between the hole-shaped gates and outside the two rows of pouring gates. The composite casting system adopts a rain type pouring system in the middle of a cast piece to conduct liquid feeding pouring from a plurality of positions of a shaft seat and reduces impact of pouring to casts, floating impurities cannot be easily adhered to the cast wall or the cast core, and the pouring system is good in slag blocking effect. The main core is arranged on the upper portion of a sand mould and on the shaft seat, and the two strip gates and the four hole-shaped gates are utilized to discharge air completely. The composite casting system does not require core drying and is stable in cast piece pouring.
Description
Technical field
The invention belongs to machine design and manufacture field, especially belong to machine casting technical field, particularly a kind of crankcase combined type cast structure.
Background technology
In resin sand casting production process, usually make foundry goods produce a large amount of pores because the gas forming amount of core is excessive.At present, in the time producing crankcase, for making casting steadily, adopt bottom gating, jacket core is arranged on to sand mold top, main core is arranged on sand mold bottom; Because jacket core exhaust effect is upwards bad, need to, before mould assembly cast, will after the assembly of sand cores such as main core, jacket core, oil duct core, send drying room core drying to, be warmed up to 200-240 DEG C by core, then be incubated 150-240min, then come out of the stove, to reduce the gas forming amount of core.But this method energy resource consumption of core drying is large, and the production cycle is longer, and production efficiency is low.
Produce in addition crankcase and adopt bottom gating large to the impact of casting mold in the time of cast, when cast, easily produce sand washing, and pushing off the slag effect is unstable, can not meet casting needs.
Summary of the invention
The present invention discloses a kind of crankcase combined type casting system according to the deficiencies in the prior art.The problem to be solved in the present invention is, by changing sand mold, structure is set, and improves casting model, with core drying program before providing a kind of cancellation to cast, saves the energy, and casting better quality, the higher rain type crankcase composite casting pattern system of the efficiency of casting.
The present invention is achieved through the following technical solutions:
Crankcase combined type casting system, comprise the base plate core of mould assembly location, form jacket core and main core, the end face core that is positioned at main core two ends, the outside core that is positioned at main core both sides and the running gate system on top of crankcase structure with each core, it is characterized in that: described base plate core, jacket core, main core, running gate system coordinate the superimposed crankcase sand mould structure that forms by bottom to high-rise successively.
Described running gate system comprises the Shower gating system that two row sprue gates of even setting form and the rising head that is positioned at two outsides, row sprue gate; Two row sprue gates are communicated with cup by shunting running channel, and rising head comprises at the hole shape rising head of four jiaos with between hole shape rising head, the bar shaped rising head in two outsides, row sprue gate.
The two row sprue gates that described running gate system evenly arranges are 5 sprue gates of even spaced every row, and each sprue gate is positioned at the axle bed position of main cored structure.
Each sprue gate at described two row sprue gates is communicated with shunting running channel, in parallel between each sprue gate.
Described running gate system is constituted by multiple partition central layers of the preset described sprue gate of inner chamber, shunting running channel, cup, hole shape rising head or bar shaped rising head.
Above-mentioned crankcase combined type casting system by forming the base plate core of casting sand mold casing, end face core, the outside core of both sides and the running gate system on top at two ends forms, and also has the jacket core and the main core that form crankcase structure with the each core of external form in sand mold mould casing; The running gate system on top is arranged in cast panel, be arranged in cast panel by described sprue gate, shunting running channel, cup, each rising head etc., when mould assembly by sprue gate and main mandrel bearing location matches.
Base plate core of the present invention, jacket core, main core, running gate system coordinate the superimposed crankcase sand mould structure that forms by bottom to high level successively, changed main core under, jacket core is at upper iterative structure, so-called superimposed is the shape chamber that by crankcase structure, each core combinations matches is formed to crankcase.
When cast, pour potting syrup into cup, potting syrup is entered simultaneously and is rain type behind each sprue gate and enters in sand mold mould each point by shunting running channel, first potting syrup is gathered near the jacket core of bottom after entering sand mold, jacket core is subject to the rapid aerogenesis of heat energy exhaust, the stirring that constantly adds of potting syrup makes the field trash of floating be not easy to stick on type wall or core, and the main core cross section in top is larger, being beneficial to field trash discharges, after potting syrup completes and adds, the rising head that on main core, the larger cooperation of plane effectively arranges is realized effectively stable exhaust.
The running gate system on top is arranged at cast shape chamber in model, is arranged in model by cast shape chambeies such as described sprue gate, shunting running channel, cup, each rising heads, and sprue gate and axle bed location matches on main core and outside core.The present invention arranges two row sprue gates and forms Shower gating system, is positioned at the rising head that arranges in two outsides, row sprue gate; Two row sprue gates are communicated with cup by shunting running channel, and rising head comprises at the hole shape rising head of four jiaos with between hole shape rising head, the bar shaped rising head in two outsides, row sprue gate.Above-mentioned running gate system cast gate evenly arranges, and has ensured that potting syrup is even, stable, balance enters in crankcase casting model when casting, and to the equilibrium of casting model system heating, each position aerogenesis is even, and it is unobstructed that potting syrup enters final vacuum from the bottom to top; Hole shape rising head and bar shaped rising head be arranged at sprue gate outside, form the solid position of foundry goods and near end face core and outside core, and this structure is conducive to the particularly abundant exhaust of end face core and outside core of exhaust.
The present invention is arranged at multiple partition central layer combination of lumens by the sprue gate, shunting running channel, cup, hole shape rising head or the bar shaped rising head that form running gate system and forms.The panel that is about to formation running gate system is divided into multiple central layers that can mutually embed combination, and each central layer arranges sprue gate, shunting running channel, cup, hole shape rising head or bar shaped rising head, the running gate system of complete after combination by above-mentioned Design of Runner System structure.Above-mentioned partition core plate structure has facilitated the making of the running gate system that has complex shape cavity configuration, has improved make efficiency, greatly reduces casting cost.
In the present invention, casting system refers to the crankcase casting die system being made up of each sand mold, and running gate system of the present invention refers to above-mentioned casting sand mould structure of carrying out potting syrup runner boxing and cast exhaust.
Helpfulness of the present invention: the present invention adopts Shower gating system to pour into a mould from axle bed many places feed liquor in the middle of foundry goods, alleviate the impact of cast to casting mold, due to the continuous stirring of liquid level, make the field trash of floating be not easy to stick on type wall or core, running gate system pushing off the slag is effective.Meanwhile, main core is arranged on to sand mold top and axle bed upwards, emits hole to realize abundant exhaust by two bar shaped rising heads and four hole shapes.The present invention does not need core drying, and it,, by improving the running gate system of crankcase, make the sufficient exhaust of core, and casting pouring is steady.
Brief description of the drawings
Fig. 1 is the three-dimensional partial schematic diagram of casting system of the present invention;
Fig. 2 is casting system plane partial schematic diagram of the present invention;
Fig. 3 is the three-dimensional cross-sectional schematic of casting system of the present invention;
Fig. 4 is injection system structure schematic diagram of the present invention;
Fig. 5 is that casting system of the present invention is respectively poured into a mould entry position and exhaust position schematic diagram;
Fig. 6 is existing bottom gating floor map;
Fig. 7 is existing bottom gating three-dimensional effect diagram;
Fig. 8 is the core assembly three-dimensional effect diagram of existing core drying.
In figure, the 01st, cup, the 02nd, connect running channel, the 03rd, shunting running channel, the 04th, sprue gate, the 05th, hole shape rising head, the 06th, riser neck, the 07th, bar shaped rising head, the 08th, riser neck, the 09th, running gate system, the 10th, base plate core, the 11st, jacket core, the 12nd, main core, the 13rd, existing rising head, the 14th, existing sprue, the 15th, existing cross gate, the 16th, existing ingate, the 17th, existing rising head core, the 18th, outside core, the 19th, end face core, 4a is cast entry position, and 6a is that hole shape emits hole site, and 8a is bar shaped rising head position.
Detailed description of the invention
Below by embodiment, the present invention is conducted further description; the present embodiment is only for being further detailed the present invention; but can not be interpreted as limiting the scope of the invention, those skilled in the art's content according to the present invention makes some nonessential improvement and adjustment belongs to the scope of protection of the invention.
In conjunction with Fig. 1 to Fig. 5.
As shown in the figure, crankcase combined type casting system, comprise the base plate core of mould assembly location, form jacket core and main core, the end face core that is positioned at main core two ends, the outside core that is positioned at main core both sides and the running gate system on top of crankcase structure with each core, base plate core, jacket core, main core, running gate system coordinate the superimposed crankcase sand mould structure that forms by bottom to high-rise successively.
Running gate system comprises the Shower gating system that two row sprue gates of even setting form and the rising head that is positioned at two outsides, row sprue gate; Two row sprue gates are communicated with cup by shunting running channel, and rising head comprises at the hole shape rising head of four jiaos with between hole shape rising head, the bar shaped rising head in two outsides, row sprue gate.
The two row sprue gates that running gate system evenly arranges are 5 sprue gates of even spaced every row, and each sprue gate is positioned at the axle bed position of main cored structure.
Each sprue gate at two row sprue gates is communicated with shunting running channel, in parallel between each sprue gate.
Running gate system is constituted by multiple partition central layers of the preset described sprue gate of inner chamber, shunting running channel, cup, hole shape rising head or bar shaped rising head.This example has 4 groups of panel cores embeddings to constitute.
As shown in Figure 1, Figure 2, Figure 3 shows, Fig. 1 is the three-dimensional partial schematic diagram of casting system of the present invention, Fig. 2 is casting system plane partial schematic diagram of the present invention, Fig. 3 is casting system schematic perspective view of the present invention, base plate core 10, jacket core 11, main core 12, running gate system 09 successively to top by bottom, periphery also has side core and end face core, and in figure, the cross section of visible jacket core 11 is less than main core 12 cross sections, and this is the structure setting that is conducive to exhaust.
Fig. 4 is injection system structure schematic diagram of the present invention, Fig. 5 is that casting system of the present invention is respectively poured into a mould entry position and exhaust position schematic diagram, as shown in the figure, the running gate system 09 representing in figure is two row sprue gates 04 Shower gating system forming and the rising heads 05 that are positioned at beyond Shower gating system, 07 structure chart, it is arranged in the cast panel core of crankcase combined type casting system, each sprue gate 04 and hole shape rising head 05, cast entry position 4a and hole shape rising head position 6a in bar shaped rising head 07 and Fig. 5, bar shaped rising head position 8a Corresponding matching, two row sprue gates 04 are communicated with cup 01 by shunting running channel 03, rising head comprises between the hole shape rising head 05 and hole shape rising head 05 of four jiaos, the bar shaped rising head 07 in two row 04 outsides, sprue gate, the two row sprue gates 04 that running gate system 09 evenly arranges are 5 sprue gates 04 of even spaced every row, and each sprue gate 04 is positioned at the axle bed position of main cored structure, each sprue gate 04 at two row sprue gates 04 is communicated with shunting running channel 03 is in parallel.Respectively emit hole 05,07 to be communicated with atmosphere.
Fig. 6 to Fig. 8 is existing bottom gating structural representation, and Fig. 6 is existing bottom gating floor map, and Fig. 7 is existing bottom gating three-dimensional effect diagram, and Fig. 8 is the core assembly three-dimensional effect diagram of existing core drying.As shown in the figure, existing bottom gating is poured into a mould by sprue 14, and injects by cross gate 15, the ingate 16 of bottom, and it is without the stirring of potting syrup, deflation area deficiency simultaneously, therefore the existing core assembly core drying minimizing core that needs of existing casting system is got angry and could be poured into a mould.
Claims (4)
1. a crankcase combined type casting system, comprise the base plate core of mould assembly location, form jacket core and main core, the end face core that is positioned at main core two ends, the outside core that is positioned at main core both sides and the running gate system on top of crankcase structure with each core, it is characterized in that: described base plate core, jacket core, main core, running gate system coordinate the superimposed crankcase sand mould structure that forms by bottom to high-rise successively; Described running gate system comprises the Shower gating system that two row sprue gates of even setting form and the rising head that is positioned at two outsides, row sprue gate; Two row sprue gates are communicated with cup by shunting running channel, and rising head comprises at the hole shape rising head of four jiaos with between hole shape rising head, the bar shaped rising head in two outsides, row sprue gate.
2. crankcase combined type casting system according to claim 1, is characterized in that: the two row sprue gates that described running gate system evenly arranges are 5 sprue gates of even spaced every row, and each sprue gate is positioned at the axle bed position of main cored structure.
3. crankcase combined type casting system according to claim 2, is characterized in that: each sprue gate at described two row sprue gates is communicated with shunting running channel, in parallel between each sprue gate.
4. crankcase combined type casting system according to claim 3, is characterized in that: described running gate system is constituted by multiple partition central layers of the preset described sprue gate of inner chamber, shunting running channel, cup, hole shape rising head or bar shaped rising head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380548.4A CN102873278B (en) | 2012-10-10 | 2012-10-10 | Composite casting system of crank shaft box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380548.4A CN102873278B (en) | 2012-10-10 | 2012-10-10 | Composite casting system of crank shaft box |
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| Publication Number | Publication Date |
|---|---|
| CN102873278A CN102873278A (en) | 2013-01-16 |
| CN102873278B true CN102873278B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210380548.4A Expired - Fee Related CN102873278B (en) | 2012-10-10 | 2012-10-10 | Composite casting system of crank shaft box |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399899B (en) * | 2014-11-06 | 2016-08-31 | 淄博柴油机总公司 | V-type diesel body casting device and technique |
| CN106623806B (en) * | 2017-01-19 | 2018-05-22 | 溧阳市万盛铸造有限公司 | A kind of cast casting technique |
| CN108817316A (en) * | 2018-06-29 | 2018-11-16 | 共享智能铸造产业创新中心有限公司 | A kind of sand mold classifying method of gear box casing casting |
| CN109465399B (en) * | 2018-12-26 | 2023-11-21 | 广东富华铸锻有限公司 | Gating system with speed reducer shell sand core structure |
| CN111112555B (en) * | 2020-01-21 | 2024-06-18 | 苏州石川制铁有限公司 | Pouring system of wall-attached pouring gate riser and working method thereof |
| CN113523193B (en) * | 2021-07-07 | 2023-04-11 | 上柴动力海安有限公司 | Lightweight crankcase casting pouring system and casting process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733363A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Cylinder block casting device and method |
| CN202278147U (en) * | 2011-11-17 | 2012-06-20 | 云南铝业股份有限公司 | Deluge pouring nozzle for casting |
| CN102632202A (en) * | 2012-03-09 | 2012-08-15 | 华东泰克西汽车铸造有限公司 | Production technology for manufacturing automobile cylinder by aid of crankcase core module |
| CN202779620U (en) * | 2012-10-10 | 2013-03-13 | 四川省祥业机械铸造有限公司 | Combined type casting system for crankshaft box body |
-
2012
- 2012-10-10 CN CN201210380548.4A patent/CN102873278B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733363A (en) * | 2008-11-12 | 2010-06-16 | 广西玉柴机器股份有限公司 | Cylinder block casting device and method |
| CN202278147U (en) * | 2011-11-17 | 2012-06-20 | 云南铝业股份有限公司 | Deluge pouring nozzle for casting |
| CN102632202A (en) * | 2012-03-09 | 2012-08-15 | 华东泰克西汽车铸造有限公司 | Production technology for manufacturing automobile cylinder by aid of crankcase core module |
| CN202779620U (en) * | 2012-10-10 | 2013-03-13 | 四川省祥业机械铸造有限公司 | Combined type casting system for crankshaft box body |
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| CN102873278A (en) | 2013-01-16 |
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