CN210966879U - Multi-runner revolving body casting, multi-runner revolving body and pouring mold for pouring multi-runner revolving body casting - Google Patents
Multi-runner revolving body casting, multi-runner revolving body and pouring mold for pouring multi-runner revolving body casting Download PDFInfo
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- CN210966879U CN210966879U CN201921498359.0U CN201921498359U CN210966879U CN 210966879 U CN210966879 U CN 210966879U CN 201921498359 U CN201921498359 U CN 201921498359U CN 210966879 U CN210966879 U CN 210966879U
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Abstract
The utility model relates to a multi-runner revolving body casting, a multi-runner revolving body and a pouring mold for pouring the multi-runner revolving body casting, wherein the casting comprises a base and a basal body, the base is in a square shape, the basal body is in a second-order column shape, and the second order of the basal body is connected with one end surface of the base; four oil outlets are uniformly arranged on the periphery of the second step of the base body, and the four oil outlets are distributed along the axial direction of the base body in a staggered manner; four oil inlets are uniformly formed in the other end face of the base; the oil inlets and the oil outlets are in one-to-one correspondence and are respectively connected through flow passage holes arranged in the revolving body casting. Reasonable in design, simple structure when solving foundry goods shrinkage porosity defect, can guarantee the runner hole size in the solid of revolution foundry goods.
Description
Technical Field
The utility model relates to a pouring technical field, concretely relates to pouring die of multithread way solid of revolution foundry goods, multithread way solid of revolution and pouring multithread way solid of revolution foundry goods.
Background
The conventional revolving body casting is made of nodular cast iron, so that casting mold heat nodes are more, a valve core hole in the casting is small and long, the defect of hole deformation is easily caused, and the casting is easily subjected to shrinkage cavity and shrinkage porosity.
And because the casting is high, the wall thickness can not guarantee the main feeding requirement relatively speaking, we place the rising head on the end face of the casting, solve the shrinkage cavity shrinkage porosity defect of the casting through gravity feeding, but the result is not very ideal, although can solve the shrinkage porosity defect of the casting, but can not guarantee the dimensional requirement between the valve holes of the casting.
Disclosure of Invention
In order to solve the problem, the utility model provides a pouring mould of multithread way solid of revolution foundry goods, multithread way solid of revolution and pouring multithread way solid of revolution foundry goods.
The technical scheme of the utility model:
a multi-runner revolving body casting comprises a base and a base body, wherein the base is in a square shape, the base body is in a second-order columnar shape, and the second order of the base body is connected with one end face of the base; four oil outlets are uniformly arranged on the periphery of the second step of the base body, and the four oil outlets are distributed along the axial direction of the base body in a staggered manner; four oil inlets are uniformly formed in the other end face of the base; the oil inlets and the oil outlets are in one-to-one correspondence and are respectively connected through flow passage holes arranged in the revolving body casting.
The technical scheme is further improved and refined, and a riser is arranged at one end of the revolving body casting; during pouring, the defect of shrinkage cavity and shrinkage porosity of a casting is overcome through gravity feeding.
The technical scheme is further improved and refined, and an arc-shaped lug is arranged on one side surface of the base.
The technical scheme is further improved and refined, and the technical parameters of the revolving body casting are as follows: the material QT450-10, the tensile strength single cast test rod is more than or equal to 450MPa, the Brinell hardness is 160-210HBW, the spheroidization grade is 1-3, the metallographic structure meets the evaluation of GB/T9441-2009, the valve has no defects of slag inclusion, air holes, shrinkage cavities and shrinkage porosity casting, and the weight of the valve body is 15.3 kg.
A multi-flow passage revolving body, which comprises the casting; the ear is provided with a fixing hole; an oil drainage port is formed in the four side surfaces of the base and is communicated with a runner hole in the revolving body casting; and a plurality of annular grooves are uniformly distributed on the second step of the substrate.
A pouring mould for pouring the revolving body casting comprises an upper mould, a lower mould and a sand core, wherein the upper mould and the lower mould are matched to form a cavity for containing the revolving body casting, and the sand core is arranged in the cavity; the sand core comprises four longitudinal runners, and the four longitudinal runners are supported and connected through a plurality of chaplets; the longitudinal flow channels respectively form flow channel holes in the revolving body casting; the sand core is made of mixed sand formed by mixing high-strength precoated sand and chilling precoated sand; and a plurality of gates are arranged on the upper die and/or the lower die.
The size of the sand core is ensured by utilizing the chaplet; the strength of the sand core is ensured by using high-strength precoated sand and chilled precoated sand; distributed water inflow is carried out by utilizing a plurality of pouring gates, so that the impact force of molten iron on the sand core and the core support is reduced; under the combined action, the shrinkage porosity defect of the casting is solved, and the size of a runner hole in the revolving casting is ensured.
The utility model discloses the advantage is, reasonable in design, simple structure when solving foundry goods shrinkage porosity defect, can guarantee the runner hole size in the solid of revolution foundry goods.
Drawings
FIG. 1 is a front view of a multi-channel solid of revolution casting.
FIG. 2 is a left side view of a multi-flow channel solid of revolution casting.
FIG. 3 is a right side view of a multi-channel solid of revolution casting.
FIG. 4 is a semi-sectional view of a multi-channel solid of revolution casting.
FIG. 5 is a front view of the multi-channel rotary body.
Fig. 6 is a schematic view of a casting mold structure.
In the figure, a base body 2 of a base 1 is provided with an oil inlet 3, a flow passage hole 4, a riser 5, lugs 7, an upper die 8, a lower die 9 and a sand core 10, and a core support 12.
Detailed Description
Referring to fig. 1-4, a multi-channel revolving body casting comprises a base 1 and a base 2, wherein the base 1 is in a square shape, the base 2 is in a second-order columnar shape, and a second order of the base 2 is connected with one end face of the base 1; four oil outlets 3 are uniformly arranged on the periphery of the second step of the base body 2, and the four oil outlets 3 are axially distributed in a staggered manner along the base body 2; the other end surface of the base 1 is uniformly provided with four oil inlets 4; the oil inlets 4 and the oil outlets 3 are in one-to-one correspondence and are respectively connected through flow passage holes 5 arranged in the revolving body casting; a riser 6 is arranged at one end of the revolving body casting; during pouring, the defect of shrinkage cavity and shrinkage porosity of a casting is overcome through gravity feeding; an arc ear 7 is arranged on one side surface of the base 1; the technical parameters of the revolving body casting are as follows: the material QT450-10, the tensile strength single cast test rod is more than or equal to 450MPa, the Brinell hardness is 160-210HBW, the spheroidization grade is 1-3, the metallographic structure meets the evaluation of GB/T9441-2009, the valve has no defects of slag inclusion, air holes, shrinkage cavities and shrinkage porosity casting, and the weight of the valve body is 15.3 kg.
As shown in fig. 5, a multi-channel rotary body comprises the casting; the ear 7 is provided with a fixing hole; oil drainage ports are formed in four side faces of the base 1 and communicated with a runner hole in the revolving body casting; and a plurality of annular grooves 8 are uniformly distributed on the second step of the substrate 2.
As shown in fig. 6, a casting mold for casting the above-mentioned revolving body casting includes an upper mold 8, a lower mold 9, and a sand core 10, wherein the upper mold 8 and the lower mold 9 are closed to form a cavity 11 for accommodating the revolving body casting, and the sand core 10 is disposed in the cavity; the sand core 10 comprises four longitudinal runners, and the four longitudinal runners are supported and connected through a plurality of chaplets 12; the longitudinal runners respectively form runner holes 5 in the revolving body casting; the sand core 10 is made of mixed sand formed by mixing high-strength precoated sand and chilling precoated sand; and a plurality of gates are arranged on the upper die 8 and/or the lower die 9.
Because of the limited character expression, there exist practically unlimited specific structures, and it will be apparent to those skilled in the art that a number of improvements, decorations, or changes may be made without departing from the principles of the present invention, or the above technical features may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (5)
1. A multi-runner revolving body casting is characterized by comprising a base and a base body, wherein the base is in a square shape, the base body is in a second-order columnar shape, and the second order of the base body is connected with one end face of the base; four oil outlets are uniformly arranged on the periphery of the second step of the base body, and the four oil outlets are distributed along the axial direction of the base body in a staggered manner; four oil inlets are uniformly formed in the other end face of the base; the oil inlets and the oil outlets are in one-to-one correspondence and are respectively connected through flow passage holes arranged in the revolving body casting; an arc ear is arranged on one side surface of the base.
2. The casting of claim 1, wherein a riser is provided at one end of the casting.
3. The casting of claim 1, wherein the casting of said body of revolution has the following specifications: the material QT450-10, the tensile strength single cast test rod is more than or equal to 450MPa, the Brinell hardness is 160-210HBW, the spheroidization grade is 1-3, the metallographic structure meets the evaluation of GB/T9441-2009, the valve has no defects of slag inclusion, air holes, shrinkage cavities and shrinkage porosity casting, and the weight of the valve body is 15.3 kg.
4. A multi-channel rotary body comprising the casting according to claim 1 or 2; it is characterized in that the ear is provided with a fixing hole; an oil drainage port is formed in the four side surfaces of the base and is communicated with a runner hole in the revolving body casting; and a plurality of annular grooves are uniformly distributed on the second step of the substrate.
5. A casting mold for casting the casting of the rotary body according to claim 1 or 2, comprising an upper mold, a lower mold, and a sand core, wherein the upper mold and the lower mold are closed to form a cavity for accommodating the casting of the rotary body, and the sand core is disposed in the cavity; the sand core is characterized by comprising four longitudinal flow channels, wherein the four longitudinal flow channels are supported and connected through a plurality of chaplets; the longitudinal flow channels respectively form flow channel holes in the revolving body casting; the sand core is made of mixed sand formed by mixing high-strength precoated sand and chilling precoated sand; and a plurality of gates are arranged on the upper die and/or the lower die.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498359.0U CN210966879U (en) | 2019-09-10 | 2019-09-10 | Multi-runner revolving body casting, multi-runner revolving body and pouring mold for pouring multi-runner revolving body casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921498359.0U CN210966879U (en) | 2019-09-10 | 2019-09-10 | Multi-runner revolving body casting, multi-runner revolving body and pouring mold for pouring multi-runner revolving body casting |
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| CN210966879U true CN210966879U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479966A (en) * | 2019-09-10 | 2019-11-22 | 南通华东油压科技有限公司 | Multiple flow passages revolving body casting, multiple flow passages revolving body and the casting mold for being poured multiple flow passages revolving body casting |
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2019
- 2019-09-10 CN CN201921498359.0U patent/CN210966879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479966A (en) * | 2019-09-10 | 2019-11-22 | 南通华东油压科技有限公司 | Multiple flow passages revolving body casting, multiple flow passages revolving body and the casting mold for being poured multiple flow passages revolving body casting |
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