CN208976778U - Flywheel casting mould - Google Patents
Flywheel casting mould Download PDFInfo
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- CN208976778U CN208976778U CN201821517823.1U CN201821517823U CN208976778U CN 208976778 U CN208976778 U CN 208976778U CN 201821517823 U CN201821517823 U CN 201821517823U CN 208976778 U CN208976778 U CN 208976778U
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Abstract
The utility model discloses flywheel casting moulds, including the first mold and the second mold for pouring in vertically clamped moulds, first mold includes multiple first casting type chambers, the first cast gate positioned at first mold top edge middle position, it is connected to the first cross gate of first cast gate bottom, and riser and first point of running channel at the first casting type cavity gap；It include multiple the second casting type chambers being spaced apart on second mold, the second cast gate positioned at second mold top edge middle position, it is connected to the second cross gate of second cast gate bottom, and divide cast gate and second point of running channel, the indentation, there for dividing cast gate to be overlapped in the second casting type chamber respectively at the second casting type cavity gap.The utility model provides a kind of flywheel casting mould, and the pouring in vertically clamped moulds suitable for flywheel sand casting process improves production efficiency and Wheel casting quality.
Description
Technical field
The utility model belongs to flywheel casting field, in particular to a kind of flywheel casting mould.
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 casting, when the structure of flywheel is more complex, especially has complicated inner cavity
Flywheel, existing mold is difficult to meet demand.A kind of flywheel casting mould is disclosed in patent document CN10565651A, is wrapped
Include: molding internal model, shell and sprue cup, the upper overlay film arenaceous shell, lower overlay film arenaceous shell and film covered sand core for forming internal model cooperate
Form forming cavity；Molding internal model is set in shell, and shell is provided with opening, and sprue cup passes through opening and connects with upper overlay film arenaceous shell
It connects, and topping chamber is connected with forming cavity, molten metal is entered in forming cavity by sprue cup when casting, forms flywheel after cooling
Casting.The patent document is pointed out, since each components being respectively set, so that the size and precision of each components mention
Height, and be convenient to be replaced and repair.However, the patent document sand mold type chamber using separation upper overlay film arenaceous shell, under
Overlay film arenaceous shell and sand core composition, various pieces needs are separately fabricated, and process is many and diverse, and upper overlay film arenaceous shell, lower overlay film arenaceous shell are equal
For complex-shaped thin-wall part, to required precision height, it is not easy to manufacture, one casting of every casting is just needed to forming sand mold type chamber
Various pieces detected, safeguarded that reusable property is poor, greatly reduce production efficiency.In consideration of it, it is necessary to provide one
Simple, the easy to manufacture flywheel casting mould of kind structure.
Utility model content
The purpose of the utility model is to provide a kind of flywheel casting moulds, suitable for flywheel sand casting process
Pouring in vertically clamped moulds improves production efficiency and Wheel casting quality.
The utility model technical solution used for the above purpose is: flywheel casting mould, including for vertical
The first mold and the second mold of casting,
First mold includes multiple the first casting type chambers being spaced apart, and is located among first mold top edge
First cast gate of position is connected to the first cross gate of first cast gate bottom, and between the first casting type chamber
Riser and first point of running channel at gap, the riser include upper riser and lower riser；
Include multiple the second casting type chambers being spaced apart on second mold, is located in second mold top edge
Between position the second cast gate, be connected to the second cross gate of second cast gate bottom, and be located at the second casting type chamber
Gap location divides cast gate and second point of running channel, and the indentation, there for dividing cast gate to be overlapped in the second casting type chamber respectively is described
Second point of running channel includes upper second point of running channel and lower second point of running channel；
When molding, 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
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
Running channel is connected between first point of running channel and lower riser.
Further, the first casting type chamber and the second casting type chamber are respectively 4, are respectively divided into spaced two rows.
Further, first cast gate and the second cast gate are respectively half funnel-form splitted along middle axial plane.
Further, the riser is in up big and down small trapezoidal, and is formed with riser neck in lower edge middle position, institute
State the riser neck bottom that first point of running channel is connected to the upper riser.
Further, first point of running channel and upper second point of running channel are vertically arranged, and lower second point of running channel inclines
Tiltedly setting.
Further, the center line of the upper riser and first point of running channel and it above ranked first casting type chamber midpoint line
Perpendicular bisector be overlapped, 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 molding, and when molding, the two
Dowel hole be overlapped.
The utility model compared with prior art, has the following advantages and beneficial effects:
(1) casting mould provided by the utility model includes the first mold and the second mold for pouring in vertically clamped moulds, will be poured
System and the riser of feeding are arranged in the gap location of the casting type chamber of two fan molds, improve the utilization rate of mold, sufficiently
The efficiency for having played mold is conducive to mitigate template self weight, reduces production cost；And a secondary mold can be realized once-cast
More than one piece Wheel casting is produced, production efficiency is improved while expanding production capacity；
(2) casting mould provided by the utility model includes the casting channel of shortest path, so that improves molten metal fills type
Ability avoids running gate system air-breathing so that running gate system is rapidly filled with, and lacks so that casting be avoided to generate oxidation, loose, shrinkage cavity etc.
It falls into, ensure that good Wheel casting quality；
(3) when carrying out vertical casting, since the height of casting is bigger, the scouring force of metal liquid can also be increased accordingly, gold
Belong to liquid to longer with the vicinal attack time, is easy to cause sand mold due to washing away for a long time by blastic deformation, for this purpose, this reality
Running channel will be divided to be divided on two fan casting moulds with novel, when casting, the sand mold after completing moulding point pours molten metal respectively
Molten metal, smoothly can be transported to type chamber everywhere, effectively slow down molten metal to the impact force of sand mold by interaction circulation in road；
(4) the slag and sand that are divided to running channel to be divided on two fan molds, are conducive to when casting in metal liquid of the utility model
The impurity such as grain are blocked in point running channel, and impurity is effectively prevent to enter type chamber；
(5) the utility model dividing running channel and dividing and arrange riser between cast gate in same row's casting type chamber, when casting, metal allowed
Liquid first flows through riser and is re-introduced into type chamber, can carry out feeding to casting in time, improve the feeding effect of riser, eliminates shrinkage cavity and dredges
Loose defect improves the quality of Wheel casting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of first mold of the utility model；
Fig. 2 is the structural schematic diagram of second mold of the utility model；
Fig. 3 is the structural schematic diagram of first, second mold clamping of the utility model.
Specific embodiment
Detailed description furtherly is made to the utility model in the following with reference to the drawings and specific embodiments, so as to this field skill
Art personnel understand.
As shown in Figs. 1-2, the flywheel casting mould of the utility model, including the first mold 1 and for pouring in vertically clamped moulds
Two molds 2.
As shown in Figure 1, first mold 1 includes multiple the first casting type chambers 11 being spaced apart, it is located at described first
First cast gate 12 in mold top edge middle position is connected to the first cross gate 13, Yi Jiwei of 12 bottom of the first cast gate
In the riser and first point of running channel 14 of 11 gap location of the first casting type chamber, the riser includes upper riser 151 and lower riser
152；
Include multiple the second casting type chambers 21 being spaced apart on second mold 2, is located at second mould 2 and has top
Second cast gate 22 in edge middle position, is connected to the second cross gate 23 of 22 bottom of the second cast gate, and is located at described the
Two casting type chambers, 21 gap location divides cast gate 24 and second point of running channel, described that cast gate 24 is divided to be overlapped in the second casting type respectively
The indentation, there of chamber 21, second point of running channel include upper second point of running channel 251 and lower second point of running channel 252；
As shown in figure 3, the cross-sectional view molded for the first mold 1 and the second mold 2.When molding, the 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 151,
152 and cast gate 24 is divided to be overlapped, upper second point of running channel 251 be connected between the second cross gate 23 and upper riser 151, and lower second point is poured
Road 252 is connected between first point of running channel 14 and lower riser 152.
Casting mould provided by the utility model includes the first mold 1 and the second mold 2 for pouring in vertically clamped moulds, will be poured
System and the riser of feeding are arranged in the gap location of the casting type chamber of two fan molds, improve the utilization rate of mold, sufficiently
The efficiency for having played mold is conducive to mitigate template self weight, reduces production cost；And a secondary mold can be realized once-cast
More than one piece Wheel casting is produced, production efficiency is improved while expanding production capacity.It is carried out using the casting mould of the application vertical
Casting, molten metal enter the first, second cross gate 13,23 from cast gate 12,22, subsequently flow into second point of running channel 251,
And be quickly filled in riser 151, by first point of running channel 14, lower second point of running channel 252, flow into lower riser 152, and point
Stamp is not carried out by dividing cast gate 24 to enter in casting mold cavity, successively casting is capable of forming 4 Wheel castings.As it can be seen that being poured
During, molten metal respectively in the riser of the first mold 1 and the second mold 2, divide in running channel and alternately to circulate.It is vertical due to carrying out
When casting, the height of casting is bigger, and the scouring force of metal liquid can also increase accordingly, and metal liquid is to the same as vicinal impact
Time is longer, is easy to cause sand mold due to washing away for a long time by blastic deformation, for this purpose, the utility model will divide running channel, riser point
In two fan templates, when casting, molten metal alternately circulates on the first mold and the second mold, can be smoothly molten metal
The type chamber of being transported to everywhere, effectively slows down molten metal to the impact force of sand mold.Meanwhile being conducive to slag when casting in metal liquid
It is blocked in point running channel with impurity such as sand grains, impurity is effectively prevent to enter type chamber.
The first casting type chamber of the utility model and the second casting type chamber are respectively 4, are respectively divided into spaced two
Row.It is poured using the casting mould of the utility model, can once cast to form four Wheel castings, improve production effect
Rate, the mass production being suitble in industry.
First cast gate 12 and the second cast gate 22 of the utility model are respectively half funnel-form splitted along middle axial plane.Two
Mould assembling carries out pouring in vertically clamped moulds after fanning mold, and the funnelform cast gate of two halves is combined into funnel-form, can lead to the molten metal of casting
Stream, rapidly enters it in running gate system.
The riser of the utility model is formed with riser neck in lower edge middle position in up big and down small trapezoidal,
First point of running channel 14 is connected to the riser neck bottom of the upper riser 151.The system of risers adopted the structure, Neng Gouchong
Point using the gap between casting mold cavity, the liquid storage volume of riser is promoted, when pouring in vertically clamped moulds, allow molten metal first to flow through riser and draw again
Enter type chamber, improve the feeding effect of riser, feeding is carried out to casting in time, eliminate shrinkage cavity and rarefaction defect, improves Wheel casting
Quality.
First point of running channel 14 and upper second point of running channel 251 of the utility model are vertically arranged, and described lower second point
Running channel 252 is obliquely installed.The running gate system adopted the structure can be mentioned at the casting channel for forming shortest path, casting
The mold-filling capacity of high metal liquid, be conducive to molten metal it is quick flowing achieve the effect that quick stamp, avoid running gate system air-breathing,
The defects of to avoid casting from generating oxidation, loose, shrinkage cavity, it ensure that good Wheel casting quality.
The center line of the upper riser 151 of the utility model and first point of running channel 14 and it above ranked first casting type chamber 11
The perpendicular bisector of midpoint line is overlapped, and the center line of the lower riser 152, which is ranked first under in 11 midpoint line of casting type chamber, to hang down
Line is overlapped.When the middle position of casting mold cavity forms riser, guarantees to be poured to the uniformity and timeliness of both sides feeding a casting.
The described of the utility model divides cast gate 24 for sector, and about the same row 21 midpoint line of the second casting type chamber
Perpendicular bisector it is symmetrical.When casting, flow through the metal of riser and flowed into along type wall, stamp block and it is steady, and divide the position of cast gate
Set, guarantee uniformity with row casting pouring symmetrical about running channel.
First mold 1 and the second mold 2 of the utility model are formed with the dowel hole 16,26 of molding, and close
When mould, the dowel hole 16,26 of the two is overlapped.First mold 1 and the second mold 2 pass through also cross dowel hole 16,26
Positioning pin realizes molding positioning.
Although above-described embodiment is made that detailed description to the utility model, it is only the utility model a part
Embodiment, rather than whole embodiments, people can also obtain other implementations according to the present embodiment under the premise of without creativeness
Example, these embodiments belong to scope of protection of the utility model.
Claims (8)
1. flywheel casting mould, including the first mold and the second mold for pouring in vertically clamped moulds, it is characterised in that:
First mold includes multiple the first casting type chambers being spaced apart, and is located at first mold top edge middle position
The first cast gate, be connected to the first cross gate of first cast gate bottom, and be located at the first casting type cavity gap
Riser and first point of running channel, the riser includes upper riser and lower riser；
Include multiple the second casting type chambers being spaced apart on second mold, is located at second mold top edge interposition
The second cast gate set is connected to the second cross gate of second cast gate bottom, and is located at the second casting type cavity gap
Place divides cast gate and second point of running channel, the indentation, there for dividing cast gate to be overlapped in the second casting type chamber respectively, and described second
Dividing running channel includes upper second point of running channel and lower second point of running channel；
When molding, 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 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, lower second point of running channel
It is connected between first point of running channel and lower riser.
2. flywheel casting mould according to claim 1, it is characterised in that: the first casting type chamber and the second casting type chamber point
Wei not be 4, respectively it is divided into spaced two rows.
3. flywheel casting mould according to claim 1, it is characterised in that: first cast gate and the second cast gate are respectively
Half funnel-form that axial plane is splitted in.
4. flywheel casting mould according to claim 1, it is characterised in that: the riser in up big and down small trapezoidal, and
It is formed with riser neck in lower edge middle position, first point of running channel is connected to the riser neck bottom of the upper riser.
5. flywheel casting mould according to claim 2, it is characterised in that: first point of running channel and upper second point of running channel
It is vertically arranged, lower second point of running channel is obliquely installed.
6. flywheel casting mould according to claim 5, it is characterised in that: in the upper riser and first point of running channel
Heart 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 type under
The perpendicular bisector of chamber midpoint line is overlapped.
7. flywheel casting mould according to claim 2, it is characterised in that: it is described to divide cast gate for sector, and about same row
The perpendicular bisector of second casting type chamber midpoint line is symmetrical.
8. flywheel casting mould according to claim 1, it is characterised in that: first mold and the second mold are formed with
The dowel hole of molding, and when molding, the dowel hole of the two is overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517823.1U CN208976778U (en) | 2018-09-17 | 2018-09-17 | Flywheel casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517823.1U CN208976778U (en) | 2018-09-17 | 2018-09-17 | Flywheel casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208976778U true CN208976778U (en) | 2019-06-14 |
Family
ID=66784469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821517823.1U Active CN208976778U (en) | 2018-09-17 | 2018-09-17 | Flywheel casting mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208976778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941470A (en) * | 2018-09-17 | 2018-12-07 | 重庆新炬鑫机械有限公司 | flywheel casting mould |
-
2018
- 2018-09-17 CN CN201821517823.1U patent/CN208976778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941470A (en) * | 2018-09-17 | 2018-12-07 | 重庆新炬鑫机械有限公司 | flywheel casting mould |
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