CN109014059A - A kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique - Google Patents
A kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique Download PDFInfo
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- CN109014059A CN109014059A CN201811081511.5A CN201811081511A CN109014059A CN 109014059 A CN109014059 A CN 109014059A CN 201811081511 A CN201811081511 A CN 201811081511A CN 109014059 A CN109014059 A CN 109014059A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/088—Feeder heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/20—Stack moulds, i.e. arrangement of multiple moulds or flasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
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- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention provides a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique, using pouring in vertically clamped moulds, molten metal molten iron flow speed is fast, and poring rate is fast, and a secondary mold can be realized once-cast production more than one piece Wheel casting, and production efficiency is improved while expanding production capacity；The present invention is poured using the casting mould of Optimal Structure Designing, riser is provided between same row's casting mold cavity, when casting, it allows molten metal first to flow through riser and is re-introduced into type chamber, feeding can be carried out to casting in time, the feeding effect of riser is improved, shrinkage cavity and rarefaction defect is eliminated, improves the quality of Wheel casting；In addition, the present invention will be divided to running channel to be divided on two fan casting moulds, when casting, molten metal alternately circulates in dividing in running channel for sand mold respectively, molten metal smoothly can be transported to type chamber everywhere, impact force of the molten metal to sand mold when effectively slowing down pouring in vertically clamped moulds.
Description
One, technical field
The invention belongs to flywheel casting field, in particular to a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique.
Two, background technique
Flywheel (flying wheel) is a kind of disk-shaped part that rotary inertia is very big.For four-stroke engine,
Every four piston stroke works done are primary, i.e. only expansion space stroke work done, and be vented, air inlet and compression three strokes will consume
Function.Therefore in cyclically-varying, speed of crankshaft is also unstable for the torque that crankshaft externally exports.In order to improve this situation, in song
Shaft rear end device flywheel, its effect are to store engine power, overcome the resistance of other component, revolve crankshaft uniformly
Turn.
Existing flywheel is made by the way of horizontal parting pouring in vertically clamped moulds.Bolster is used first, is respectively formed edge
The sand mold up and down of horizontal plane parting will form casting mold after the molding of upper and lower sand mold, then by the molten metal molten iron after melting from cast gate
The type that place is injected into upper and lower sand mold intracavitary is poured.Existing forging type inefficiency, and the flywheel mass that casting obtains
Difference.
Three, summary of the invention
The object of the present invention is to provide a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique, improve production efficiency with
And Wheel casting quality.
Present invention technical solution used for the above purpose is: a kind of flywheel vertical-parting pouring in vertically clamped moulds founder
Skill, key are: the following steps are included:
Step 1: production mold: flywheel casting mould is designed as the first mold and the second mold of vertical-parting, described the
One mold includes multiple the first casting type chambers being spaced apart, and first positioned at first mold top edge middle position pours
Mouthful, be connected to the first cross gate of first cast gate bottom, and the riser at the first casting type cavity gap and
First point of running channel, the riser include upper riser and lower riser；Second mold includes multiple the second casting being spaced apart
Type chamber, the second cast gate positioned at second mold top edge middle position, be connected to second cast gate bottom second are horizontal
Running channel, and divide cast gate and second point of running channel at the second casting type cavity gap, it is described that cast gate is divided to be overlapped in respectively
The indentation, there of the second casting type chamber, second point of running channel include upper second point of running channel and lower second point of running channel；
Step 2: melting: putting into medium-frequency induction furnace major ingredient, the auxiliary material in the trolley that feeds by charger and added
Heat fusing, medium-frequency induction furnace iron liquid are melted since low temperature, and temperature is gradually increasing, final smelting temperature control 1650~
1700 DEG C, and after 5~10min of heat preservation, opening operation bell refines iron liquid, degasification, removes Slag treatment, and molten metal is net
Change, and keep bonded hard ferrite magnet in the outlet water temperature range of setting, qualified iron liquid can be released by forehearth outlet；
Step 3: casting: by the first mold and the second mould box of casting mould, after mould assembling, the first casting type
Chamber and the second casting type chamber, the first cast gate and the second cast gate, the first cross gate and the second cross gate, riser and cast gate is divided to be overlapped,
Upper second point of running channel is connected between the second cross gate and upper riser, and lower second point of running channel is connected to first point of running channel and lower riser
Between, by iron liquid pouring in vertically clamped moulds to mold, after casting, casting 5~10min of natural cooling in sand mold；
Step 4: unpacking, pouring box is opened along vertical-parting face, takes out cast, after cast(ing) surface is cleared up sanding, into
Row inspection of blank, finishing, product inspection, storage.
Further, the first casting type chamber and the second casting type chamber are respectively 4, are respectively divided into spaced two rows.
Further, the composition of the major ingredient are as follows: steel scrap 30%, the pig iron 40%, foundry returns 30%.
Further, the additive amount of the auxiliary material are as follows: carburant 12kg/T, ferrosilicon 4kg/T, manganese iron 1.5kg/T.
Further, the width of first point of running channel and lower second point of running channel is the 1/3 of the riser bottom width.
Further, first point of running channel and upper second point of running channel are vertically arranged, lower second point of running channel inclination
The center line of setting, the upper riser and first point of running channel is overlapped with the perpendicular bisector that above ranked first casting type chamber midpoint line,
The perpendicular bisector that the center line of the lower riser ranked first casting type chamber midpoint line under is overlapped.
Further, described to divide cast gate for sector, and hang down about in same row the second casting type chamber midpoint line
Line is symmetrical.
Further, first mold and the second mold are formed with the dowel hole of mould assembling, and when mould assembling, the two
Dowel hole be overlapped.
Compared with prior art, the present invention having the following advantages and beneficial effects:
The present invention provides a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique, and molten metal molten iron flow speed is fast, casting
Speed is fast, and a secondary mold can be realized once-cast production more than one piece Wheel casting, and life is improved while expanding production capacity
Produce efficiency；The present invention is poured using the casting mould of Optimal Structure Designing, is provided with and is emitted between same row's casting mold cavity
Mouthful, it when casting, allows molten metal first to flow through riser and is re-introduced into type chamber, feeding can be carried out to casting in time, improve the feeding of riser
Effect eliminates shrinkage cavity and rarefaction defect, improves the quality of Wheel casting；The present invention will be divided to running channel to be divided into two fan casting moulds
On, when casting, molten metal alternately circulates in dividing in running channel for sand mold respectively, and it is each molten metal smoothly can be transported to type chamber
Place, impact force of the molten metal to sand mold when effectively slowing down pouring in vertically clamped moulds.
Four, Detailed description of the invention
Fig. 1 is process flow chart of the invention；
Fig. 2 is the structural schematic diagram of the first mold of the invention；
Fig. 3 is the structural schematic diagram of the second mold of the invention；
Fig. 4 is the structural schematic diagram of the first, second mold clamping of the invention.
Specific embodiment
Detailed description furtherly is made to the present invention in the following with reference to the drawings and specific embodiments, so as to those skilled in the art
Member understands.
Process flow chart as shown in connection with fig. 1, a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique of the invention, including
Following steps:
Step 1: production mold: flywheel casting mould is designed as the first mold 1 and the second mold 2 of vertical-parting, in conjunction with
Shown in Fig. 1-2, first mold 1 includes multiple the first casting type chambers 11 being spaced apart, and is located at first mold top
First cast gate 12 in edge middle position, is connected to the first cross gate 13 of 12 bottom of the first cast gate, and is located at described the
The riser and first point of running channel 14 of one casting type chamber, 11 gap location, the riser include upper riser 151 and lower riser 152；It is described
Second mold 2 includes multiple the second casting type chambers 21 being spaced apart, positioned at the of the 2 top edge middle position of the second mold
Two cast gates 22 are connected to the second cross gate 23 of 22 bottom of the second cast gate, and between the second casting type chamber 21
Divide cast gate 24 and second point of running channel at gap, the indentation, there for dividing cast gate 24 to be overlapped in the second casting type chamber 21 respectively,
Second point of running channel includes upper second point of running channel 251 and lower second point of running channel 252；
Step 2: melting: putting into medium-frequency induction furnace major ingredient, the auxiliary material in the trolley that feeds by charger and added
Heat fusing, medium-frequency induction furnace iron liquid are melted since low temperature, and temperature is gradually increasing, final smelting temperature control 1650~
1700 DEG C, and after 5~10min of heat preservation, opening operation bell refines iron liquid, degasification, removes Slag treatment, and molten metal is net
Change, and keep bonded hard ferrite magnet in the outlet water temperature range of setting, conventional leaving water temperature is 1300~1350 DEG C, passes through forehearth
Outlet can release qualified iron liquid；
Step 3: casting: by 2 mould assembling of the first mold 1 and the second mold of casting mould, after mould assembling, first casting
Type chamber 11 and the second casting type chamber 21, the first cast gate 12 and the second cast gate 22, the first cross gate 13 and the second cross gate 23, riser
With divide cast gate 24 to be overlapped, upper second point of running channel 251 be connected between the second cross gate 23 and upper riser 151, lower second point of running channel
252 are connected between first point of running channel 14 and lower riser 152, and by iron liquid pouring in vertically clamped moulds to mold, after casting, casting is in sand mold
Middle 5~10min of natural cooling (specifically being increased and decreased according to casting weight)；
Step 4: unpacking, pouring box is opened along vertical-parting face, takes out cast, after cast(ing) surface is cleared up sanding, into
Row inspection of blank, finishing, product inspection, storage.
Using flywheel vertical-parting pouring in vertically clamped moulds casting technique of the invention, molten metal molten iron flow speed is fast, casting speed
Degree is fast, and a secondary mold can be realized once-cast production more than one piece Wheel casting, and production is improved while expanding production capacity
Efficiency；The present invention is poured using the casting mould of Optimal Structure Designing, ranked first in the first mold 1, the second the same of mold 2
It is provided with upper and lower riser 151,152 between casting type chamber 11, the second casting type chamber 21, when casting, molten metal is allowed first to flow through riser
It is re-introduced into type chamber, feeding can be carried out to casting in time, improve the feeding effect of riser, eliminate shrinkage cavity and rarefaction defect, improved
The quality of Wheel casting；The present invention will divide running channel, and first point of running channel 14, upper and lower second point of running channel 251,252 are divided into the first mould
Have on the 1, second mold 2, when casting, molten metal alternately circulates in dividing in running channel for sand mold respectively, can be smoothly molten metal
The type chamber of being transported to everywhere, impact force of the molten metal to sand mold when effectively slowing down pouring in vertically clamped moulds.
Casting mould used by casting technique of the invention, the first casting type chamber and the second casting type chamber are respectively 4,
Respectively it is divided into spaced two rows.It is poured using the casting mould, can once cast to form four Wheel castings,
Production efficiency is improved, the mass production being suitble in industry.
The composition of the major ingredient of the invention are as follows: steel scrap 30%, the pig iron 40%, foundry returns 30%.The addition of the auxiliary material
Amount are as follows: carburant 12kg/T, ferrosilicon 4kg/T, manganese iron 1.5kg/T.Smelting and pouring is carried out using the raw material of above-mentioned composition, it is acquired
Wheel casting ingredient it is uniform, the graphite of metallographic structure allows a small amount of B, C and D type based on A type, using pearlite as matrix,
Free ferrite is no more than 20%, and carbide and steadite are less than 5%, and the hardness of material is HB180-230.
The width of first point of running channel 14 and lower second point of running channel 252 of the invention is the 1/ of the riser bottom width
3.When pouring in vertically clamped moulds, divide the width of running channel narrow, when molten iron does not also have filling completely to descend riser 152, divides the molten iron in running channel cooling, cut
Disconnected molten iron prevents filling downwards is lower from arranging casting mold cavity, is easy to cause lower part casting quality defect；Divide the width of running channel wide, divides and pour
Molten iron in road is not easy to cool down, and during feeding, the molten iron of upper riser 151 is constantly flowed into lower riser 152, causes
The feeding a casting for arranging casting mold cavity is insufficient, leads to problems such as top casting that loose, shrinkage cavity occurs.First point of 14 He of running channel will be stated
The width of lower second point of running channel 252 is the 1/3 of the riser bottom width, can guarantee the molten metal of each type chamber simultaneously
It is full of, improves cast casting quality.
First point of running channel 14 of the invention and upper second point of running channel 251 are vertically arranged, lower second point of running channel 252
It is obliquely installed, the center line of the upper riser 151 and first point of running channel 14 and above ranked first 11 midpoint line of casting type chamber
Perpendicular bisector is overlapped, and the perpendicular bisector that the center line of the lower riser 152 ranked first 11 midpoint line of casting type chamber under is overlapped.Using
The running gate system of such structure can improve the mold-filling capacity of molten metal at the casting channel for forming shortest path, casting,
The quick flowing for being conducive to molten metal achievees the effect that quick stamp, avoids running gate system air-breathing, so that casting be avoided to generate oxygen
Change, loose, shrinkage cavity the defects of, ensure that good Wheel casting quality.Riser is formed in the middle position of casting mold cavity, is guaranteed
To the uniformity and timeliness of both sides feeding a casting when casting.
Divide cast gate 24 for sector described in of the invention, and the perpendicular bisector about same row the second casting type chamber midpoint line
It is symmetrical.When casting, flow through the metal of riser and flowed into along type wall, stamp block and it is steady, the flowing of molten iron and heat are along entire
Type chamber is evenly distributed, and divides the position of cast gate 24 symmetrical about running channel, guarantees the uniformity with row's casting pouring, equivalence.
First mold 1 and the second mold 2 of the invention is formed with the dowel hole 16,26 of mould assembling, and when mould assembling,
The dowel hole of the two is overlapped.First mold 1 and the second mold 2 pass through the positioning pin realization also cross dowel hole 16,26
Mould assembling positioning.
Although above-described embodiment is made that detailed description to the present invention, it is only a part of the embodiment of the present invention,
Rather than whole embodiments, people can also obtain other embodiments under the premise of without creativeness according to the present embodiment, these
Embodiment belongs to the scope of the present invention.
Claims (8)
1. a kind of flywheel vertical-parting pouring in vertically clamped moulds casting technique, it is characterised in that: the following steps are included:
Step 1: production mold: flywheel casting mould is designed as the first mold and the second mold of vertical-parting, first mould
Tool includes multiple the first casting type chambers being spaced apart, and the first cast gate positioned at first mold top edge middle position connects
It is connected to the first cross gate of first cast gate bottom, and the riser at the first casting type cavity gap and first point
Running channel, the riser include upper riser and lower riser；Second mold includes multiple the second casting type chambers being spaced apart, position
The second cast gate in second mold top edge middle position is connected to the second cross gate of second cast gate bottom, with
And divide cast gate and second point of running channel at the second casting type cavity gap, it is described that cast gate is divided to be overlapped in described second respectively
The indentation, there of casting type chamber, second point of running channel include upper second point of running channel and lower second point of running channel；
Step 2: melting: putting into medium-frequency induction furnace heat by major ingredient, the auxiliary material in the trolley that feeds by charger and melt
Change, medium-frequency induction furnace iron liquid is melted since low temperature, and temperature is gradually increasing, and final smelting temperature is controlled 1650~1700
DEG C, and after 5~10min of heat preservation, opening operation bell refines iron liquid, degasification, removes Slag treatment, molten metal is purified, and
It keeps bonded hard ferrite magnet in the outlet water temperature range of setting, qualified iron liquid can be released by forehearth outlet；
Step 3: casting: by the first mold and the second mould box of casting mould, after mould assembling, the first casting type chamber and
Second casting type chamber, the first cast gate and the second cast gate, the first cross gate and the second cross gate, riser and cast gate is divided to be overlapped, upper
Two points of running channels are connected between the second cross gate and upper riser, lower second point of running channel be connected to first point of running channel and lower riser it
Between, by iron liquid pouring in vertically clamped moulds to mold, after casting, casting 5~10min of natural cooling in sand mold；
Step 4: unpacking, pouring box is opened along vertical-parting face, takes out cast, after cast(ing) surface is cleared up sanding, carries out hair
Base inspection, finishing, product inspection, storage.
2. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 1, it is characterised in that: the first casting type chamber
It is respectively 4 with the second casting type chamber, is respectively divided into spaced two rows.
3. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 1, it is characterised in that: the group of the major ingredient
Become: steel scrap 30%, the pig iron 40%, foundry returns 30%.
4. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 1, it is characterised in that: the auxiliary material adds
Dosage are as follows: carburant 12kg/T, ferrosilicon 4kg/T, manganese iron 1.5kg/T.
5. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 2, it is characterised in that: described first point is poured
The width of road and lower second point of running channel is the 1/3 of the riser bottom width.
6. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 2, it is characterised in that: described first point is poured
Road and upper second point of running channel are vertically arranged, and lower second point of running channel is obliquely installed, the upper riser and first point of running channel
Center line is overlapped with the perpendicular bisector that above ranked first casting type chamber midpoint line, and the center line of the lower riser ranked first casting under
The perpendicular bisector of type chamber midpoint line is overlapped.
7. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 2, it is characterised in that: described to divide the cast gate to be
Sector, and the perpendicular bisector about same row the second casting type chamber midpoint line is symmetrical.
8. flywheel vertical-parting pouring in vertically clamped moulds casting technique according to claim 1, it is characterised in that: first mold
The dowel hole of mould assembling is formed with the second mold, and when mould assembling, the dowel hole of the two is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081511.5A CN109014059B (en) | 2018-09-17 | 2018-09-17 | Vertical casting process for vertical parting of flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811081511.5A CN109014059B (en) | 2018-09-17 | 2018-09-17 | Vertical casting process for vertical parting of flywheel |
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| Publication Number | Publication Date |
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| CN109014059A true CN109014059A (en) | 2018-12-18 |
| CN109014059B CN109014059B (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811081511.5A Active CN109014059B (en) | 2018-09-17 | 2018-09-17 | Vertical casting process for vertical parting of flywheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238377A (en) * | 2019-07-19 | 2019-09-17 | 史小涛 | A kind of castings production equipment |
| CN115301893A (en) * | 2022-07-25 | 2022-11-08 | 北京众星时代科技有限公司 | Horizontal pouring mold with pouring gate positioned at middle-lower part of parting surface and pouring method |
| CN118893178A (en) * | 2024-09-25 | 2024-11-05 | 山西卡耐夫管业股份有限公司 | A vertical casting mold and casting process for hydraulic oil pump |
| CN119187461A (en) * | 2024-09-26 | 2024-12-27 | 湖北泰克摩擦材料有限公司 | Vertical parting casting die for suspension swing arm |
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| CN206356537U (en) * | 2016-11-28 | 2017-07-28 | 上海圣德曼铸造海安有限公司 | Automobile brake clamps the casting mold structure of housing |
| CN107096893A (en) * | 2017-05-16 | 2017-08-29 | 山东美陵化工设备股份有限公司 | Bracket casting mixed type apparatus for pouring and bracket casting casting technique |
| CN107457368A (en) * | 2017-07-24 | 2017-12-12 | 绍兴市振杨机械有限公司 | A kind of casting mould of thin-walled impeller |
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| CN103862000A (en) * | 2014-04-04 | 2014-06-18 | 江苏力源金河铸造有限公司 | Vertical parting horizontal pouring casting technology for end cover casting core shell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238377A (en) * | 2019-07-19 | 2019-09-17 | 史小涛 | A kind of castings production equipment |
| CN110238377B (en) * | 2019-07-19 | 2024-03-08 | 史小涛 | Foundry goods production facility |
| CN115301893A (en) * | 2022-07-25 | 2022-11-08 | 北京众星时代科技有限公司 | Horizontal pouring mold with pouring gate positioned at middle-lower part of parting surface and pouring method |
| CN118893178A (en) * | 2024-09-25 | 2024-11-05 | 山西卡耐夫管业股份有限公司 | A vertical casting mold and casting process for hydraulic oil pump |
| CN119187461A (en) * | 2024-09-26 | 2024-12-27 | 湖北泰克摩擦材料有限公司 | Vertical parting casting die for suspension swing arm |
| CN119187461B (en) * | 2024-09-26 | 2025-06-06 | 湖北泰克摩擦材料有限公司 | A vertical parting casting mold for a suspension swing arm |
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| CN109014059B (en) | 2020-07-21 |
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