CN210475442U - Casting mould for reducing defect of slag hole of automobile flywheel - Google Patents
Casting mould for reducing defect of slag hole of automobile flywheel Download PDFInfo
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- CN210475442U CN210475442U CN201921429883.2U CN201921429883U CN210475442U CN 210475442 U CN210475442 U CN 210475442U CN 201921429883 U CN201921429883 U CN 201921429883U CN 210475442 U CN210475442 U CN 210475442U
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Abstract
The utility model discloses a mould for reducing the defect of a slag hole of an automobile flywheel, which comprises a first mould bottom plate and a second mould bottom plate, wherein the first mould bottom plate and the second mould bottom plate are vertically arranged; the first die bottom plate is provided with a flywheel cavity A, a casting mechanism cavity and positioning pin holes, the flywheel cavity A is arranged in the middle of the first die bottom plate, the casting mechanism cavity is arranged around the flywheel cavity A, and the positioning pin holes are arranged on two sides of the casting mechanism cavity; the casting mechanism cavity consists of a pouring cup, a vertical pouring gate, a horizontal pouring gate, an annular connecting sheet, an upper riser, a left riser, a right riser and an inclined pouring gate; the utility model discloses a cooperation of first mould bottom plate and second mould bottom plate is used to make the casting molten iron can follow the mould bottom and get into the molten iron to the flywheel die cavity, and the molten iron is advanced in the top is supplementary to effectively avoided the molten iron to directly get into the flywheel die cavity from the top and strikeed the die cavity and cause the damage and generate the cinder hole, effectively improved the yield and the quality of product.
Description
Technical Field
The utility model relates to an automobile flywheel casting mould especially relates to a mould that reduces automobile flywheel slag hole defect.
Background
As is known, the flywheel is located at the power take-off of the crankshaft, i.e. on the side of the gearbox and the work machine. The flywheel mainly functions to store energy and inertia outside the power stroke of the engine; flywheels have a large moment of inertia. Since the work done by each cylinder of the engine is not continuous, the engine speed also varies. When the rotating speed of the engine is increased, the kinetic energy of the flywheel is increased, and the energy is stored; when the rotating speed of the engine is reduced, the kinetic energy of the flywheel is reduced, and the energy is released. Flywheels may be used to reduce speed fluctuations during engine operation. Therefore, the existing flywheel is manufactured in a casting mode, molten iron is easy to impact a sand mold during manufacturing and casting to cause a slag hole defect, and a machined surface defect of a casting can influence machining, so that the quality and the yield of products are reduced, and the cost of a production side is correspondingly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reduce mould of car flywheel slag hole defect, when making the mould use on the dike sand line, can reduce the slag hole defect that the good flywheel of casting shaping produced, improve the qualification rate of product, reduce cost simultaneously.
The utility model adopts the following technical proposal:
a die for reducing the defect of a slag hole of an automobile flywheel comprises a first die bottom plate and a second die bottom plate, wherein the first die bottom plate and the second die bottom plate are vertically arranged; the first die bottom plate is provided with a flywheel cavity A, a casting mechanism cavity and positioning pin holes, the flywheel cavity A is arranged in the middle of the first die bottom plate, the casting mechanism cavity is arranged around the flywheel cavity A, and the positioning pin holes are arranged on two sides of the casting mechanism cavity; the casting mechanism cavity comprises a pouring cup, a vertical pouring gate, a horizontal pouring gate, an annular connecting sheet, an upper riser, a left riser, a right riser and an inclined pouring gate, wherein the pouring cup is arranged above the left side of the flywheel cavity A, the vertical pouring gate is arranged on the left side of the flywheel cavity A, a straight section of the vertical pouring gate is communicated with the bottom of the pouring cup, the horizontal pouring gate is arranged at the bottom of the vertical pouring gate, the left end of the horizontal pouring gate is communicated with the bottom of the vertical pouring gate, the annular pouring gate is arranged around the flywheel cavity A, the annular connecting sheet is arranged between the flywheel cavity A and the annular pouring gate, the annular connecting sheet is communicated with the flywheel cavity A and the annular pouring gate, the left riser and the right riser are symmetrically arranged at the left side and the right side of the flywheel cavity A, the inner side of the left riser and the right riser is communicated with the annular winding gate, the lower part of the left riser and the right riser is communicated with the, the bottom of the upper riser is in through connection with the top of the flywheel cavity A, and the left side of the upper riser is provided with an opening and is in through connection with the vertical pouring gate through the inclined pouring gate.
The second die bottom plate is provided with a flywheel cavity B, a casting mechanism cavity and a positioning pin hole, and the second die bottom plate and the first die bottom plate are arranged in a mirror image manner; the flywheel cavity B of the second die bottom plate and the flywheel cavity A of the first die bottom plate form an integral flywheel cavity; the casting mechanism cavity of the second mold base plate is further provided with a bottom connecting sheet, the bottom connecting sheet is arranged between the horizontal pouring gate and the annular pouring gate, an inlet of the bottom connecting sheet is arranged in the middle of the horizontal pouring gate and is in through connection with the horizontal pouring gate, and an outlet of the bottom connecting sheet is arranged at the bottom of the annular pouring gate and is in through connection with the annular pouring gate.
The first die bottom plate and the second die bottom plate are rectangular bottom plates with the same size.
The upper riser, the left riser and the right riser are of funnel-shaped structures which are axially split.
The pouring cup is of a funnel-shaped structure which is axially split.
The positioning pin holes are arranged on the first die bottom plate and the second die bottom plate correspondingly.
The first die bottom plate and the second die bottom plate are both made of cast aluminum materials.
Through the utility model discloses an implement, reached good result of use: the utility model provides a reduce mould of car flywheel slag hole defect, uses through the cooperation of first mould bottom plate and second mould bottom plate to make the casting molten iron can follow the mould bottom and get into the molten iron to the flywheel die cavity, and the supplementary molten iron that advances in top to effectively avoided the molten iron to directly get into the flywheel die cavity from the top and strikeed the die cavity and cause the damage and generate the slag hole, effectively improved the yield and the quality of product, simultaneously also corresponding reduction manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of a first mold bottom plate of the present invention.
Fig. 2 is a schematic structural view of a bottom plate of the second mold of the present invention.
In the figure: 1. the mold comprises a first mold bottom plate, a second mold bottom plate, a flywheel cavity A, a flywheel cavity B, a sprue cup, a sprue gate, a connecting piece and a connecting piece, wherein the sprue gate comprises a horizontal sprue gate, a circular sprue gate, 7 an annular connecting piece, 8 an upper riser, 9 a left riser, 10 a.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the die for reducing the defect of the slag hole of the automobile flywheel comprises a first die bottom plate 1 and a second die bottom plate 13, wherein the first die bottom plate 1 and the second die bottom plate 13 are vertically arranged; the first die base plate 1 is provided with a flywheel cavity A2, a casting mechanism cavity and positioning pin holes 12, the flywheel cavity A2 is arranged in the middle of the first die base plate 1, the casting mechanism cavity is arranged around the flywheel cavity A2, and the positioning pin holes 12 are arranged on two sides of the casting mechanism cavity; the casting mechanism cavity comprises a pouring cup 3, a vertical pouring gate 4, a horizontal pouring gate 5, an annular pouring gate 6, an annular connecting sheet 7, an upper riser 8, a left riser 9, a right riser 10 and an inclined pouring gate 11, wherein the pouring cup 3 is arranged above the left side of a flywheel cavity A2, the vertical pouring gate 4 is arranged on the left side of a flywheel cavity A2, a straight section of the vertical pouring gate 4 is communicated with the bottom of the pouring cup 3, the horizontal pouring gate 5 is arranged at the bottom of the vertical pouring gate 4, the left end of the horizontal pouring gate 5 is communicated with the bottom of the vertical pouring gate 4, the annular pouring gate 6 is arranged around the flywheel cavity A2, the annular connecting sheet 7 is arranged between the flywheel cavity A2 and the annular pouring gate 6, the annular connecting sheet 7 is communicated with the flywheel cavity A2 and the annular pouring gate 6, the left riser 9 and the right riser 10 are symmetrically arranged at the left side and the right side of the flywheel cavity A2, the inner sides of the left riser 9 and the right riser 10 are connected with the annular winding channel 6, and the lower parts of the left riser, the symmetrical arrangement of the left and right risers can ensure the uniformity of molten iron casting when the molten iron is cast, the riser 8 is arranged at the top of the flywheel cavity A2, the bottom of the riser 8 is communicated with the top of the flywheel cavity A2, the left side of the riser 8 is provided with an opening and is communicated with the vertical pouring gate 4 through the inclined pouring gate 11, and the arrangement of the riser 8 can ensure that the top riser 8 also enters the molten iron through the inclined pouring gate 11 when the cast molten iron is cast to 2/3 in the mold, and finally, the casting is fully cast.
The second die bottom plate 13 is provided with a flywheel cavity B14, a casting mechanism cavity and a positioning pin hole 12, and the second die bottom plate 13 and the first die bottom plate 1 are arranged in a mirror image manner; the flywheel cavity B14 of the second die base plate 13 and the flywheel cavity A2 of the first die base plate 1 form an integral flywheel cavity; the casting mechanism cavity of the second mold bottom plate 13 is further provided with a bottom connecting sheet 15, the bottom connecting sheet 15 is arranged between the cross gate 5 and the annular gate 6, an inlet of the bottom connecting sheet 15 is arranged in the middle of the cross gate 5 and is in through connection with the cross gate 5, and an outlet of the bottom connecting sheet 15 is arranged at the bottom of the annular gate 6 and is in through connection with the annular gate 6.
The first mold bottom plate 1 and the second mold bottom plate 13 are rectangular bottom plates with the same size.
The upper riser 8, the left riser 9 and the right riser 10 are of funnel-shaped structures which are axially split.
The pouring cup 3 is of a funnel-shaped structure which is axially split.
The positioning pin holes 12 are correspondingly arranged on the first die bottom plate 1 and the second die bottom plate 13, and when the die is matched with the positioning pin holes 12 of the two bottom plates, the positioning pin holes 12 of the two bottom plates are overlapped, so that the positioning pin can penetrate through the positioning pin holes 12 to perform die positioning.
The first mold bottom plate 1 and the second mold bottom plate 13 are both made of cast aluminum materials.
When the device is used, the first mold bottom plate 1 and the second mold bottom plate 13 are combined firstly, the positioning pin penetrates through the positioning pin hole 12 for carrying out mold positioning, then molten iron is poured into the mold through the sprue cup 3, the molten iron flows into the cross runner 5 through the vertical runner 4, upwards sequentially enters the bottom connecting plate 15, the annular runner 6 and the annular connecting plate 7, and then enters a flywheel cavity casting, meanwhile, the left riser 9 and the right riser 10 also enter the molten iron through the annular runner 6, when the molten iron of the flywheel cavity casting rises to 2/3, the upper riser 8 at the top of the cavity also enters the molten iron through the oblique runner 11, and finally the flywheel cavity casting is fully poured.
The part of the utility model not detailed is prior art.
Claims (7)
1. A die for reducing the defect of a slag hole of an automobile flywheel comprises a first die bottom plate and a second die bottom plate, wherein the first die bottom plate and the second die bottom plate are vertically arranged; the method is characterized in that: the first die bottom plate is provided with a flywheel cavity A, a casting mechanism cavity and positioning pin holes, the flywheel cavity A is arranged in the middle of the first die bottom plate, the casting mechanism cavity is arranged around the flywheel cavity A, and the positioning pin holes are arranged on two sides of the casting mechanism cavity; the casting mechanism cavity comprises a pouring cup, a vertical pouring gate, a horizontal pouring gate, an annular connecting sheet, an upper riser, a left riser, a right riser and an inclined pouring gate, wherein the pouring cup is arranged above the left side of the flywheel cavity A, the vertical pouring gate is arranged on the left side of the flywheel cavity A, a straight section of the vertical pouring gate is communicated with the bottom of the pouring cup, the horizontal pouring gate is arranged at the bottom of the vertical pouring gate, the left end of the horizontal pouring gate is communicated with the bottom of the vertical pouring gate, the annular pouring gate is arranged around the flywheel cavity A, the annular connecting sheet is arranged between the flywheel cavity A and the annular pouring gate, the annular connecting sheet is communicated with the flywheel cavity A and the annular pouring gate, the left riser and the right riser are symmetrically arranged at the left side and the right side of the flywheel cavity A, the inner side of the left riser and the right riser is communicated with the annular winding gate, the lower part of the left riser and the right riser is communicated with the, the bottom of the upper riser is in through connection with the top of the flywheel cavity A, and the left side of the upper riser is provided with an opening and is in through connection with the vertical pouring gate through the inclined pouring gate.
2. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the second die bottom plate is provided with a flywheel cavity B, a casting mechanism cavity and a positioning pin hole, and the second die bottom plate and the first die bottom plate are arranged in a mirror image manner; the flywheel cavity B of the second die bottom plate and the flywheel cavity A of the first die bottom plate form an integral flywheel cavity; the casting mechanism cavity of the second mold base plate is further provided with a bottom connecting sheet, the bottom connecting sheet is arranged between the horizontal pouring gate and the annular pouring gate, an inlet of the bottom connecting sheet is arranged in the middle of the horizontal pouring gate and is in through connection with the horizontal pouring gate, and an outlet of the bottom connecting sheet is arranged at the bottom of the annular pouring gate and is in through connection with the annular pouring gate.
3. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the first die bottom plate and the second die bottom plate are rectangular bottom plates with the same size.
4. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the upper riser, the left riser and the right riser are of funnel-shaped structures which are axially split.
5. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the pouring cup is of a funnel-shaped structure which is axially split.
6. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the positioning pin holes are arranged on the first die bottom plate and the second die bottom plate correspondingly.
7. The mold for reducing the slag hole defect of the automobile flywheel as claimed in claim 1, wherein: the first die bottom plate and the second die bottom plate are both made of cast aluminum materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429883.2U CN210475442U (en) | 2019-08-30 | 2019-08-30 | Casting mould for reducing defect of slag hole of automobile flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429883.2U CN210475442U (en) | 2019-08-30 | 2019-08-30 | Casting mould for reducing defect of slag hole of automobile flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210475442U true CN210475442U (en) | 2020-05-08 |
Family
ID=70538296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429883.2U Active CN210475442U (en) | 2019-08-30 | 2019-08-30 | Casting mould for reducing defect of slag hole of automobile flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210475442U (en) |
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2019
- 2019-08-30 CN CN201921429883.2U patent/CN210475442U/en active Active
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