CN218693754U - Fan-shaped pouring gate structure of die casting die - Google Patents
Fan-shaped pouring gate structure of die casting die Download PDFInfo
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- CN218693754U CN218693754U CN202222925092.7U CN202222925092U CN218693754U CN 218693754 U CN218693754 U CN 218693754U CN 202222925092 U CN202222925092 U CN 202222925092U CN 218693754 U CN218693754 U CN 218693754U
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Abstract
The utility model relates to the technical field of mold, concretely relates to die casting die's fan-shaped structure of watering, this die casting die include fan-shaped structure of watering, die cavity, cinder ladle, exhaust passage and the slider of loosing core, fan-shaped structure of watering is including the material cake, the sprue and the cross gate that communicate in proper order, the sprue one end with the cross gate is connected, the other end with the material cake is connected, the cross gate includes transition portion and fan-shaped gate portion, transition portion with the sprue is connected, the cross-sectional area of the fan-shaped structure axis of watering of perpendicular to in the fan-shaped structure certainly the sprue arrives the cross gate reduces gradually. The utility model discloses the front end of well cross gate is fan-shaped gate portion, and the fan-shaped angle of fan-shaped gate portion is less than 90, and effectual messenger's molten metal can not lead to the molten metal to carry out filling of unnecessary position because of fan-shaped gate portion angle is too big at the filling in-process, causes the increase of cost and the problem appearance of foundry goods shaping quality decline.
Description
Technical Field
The utility model relates to a mould field, specificly relate to a die casting die's fan-shaped structure of watering.
Background
Some metal workpieces are typically formed by die casting, which includes an established runner structure and a cavity adjacent to the runner structure. During molding, molten metal soup can enter the cavity through the pouring gate structure to be filled.
The existing casting cannot be applied to a building site on the aspect of mechanical property, and the main reasons of the existing casting are that the design of a pouring channel is unreasonable and the parameters of a die casting process are unreasonable. In the existing many runner designs, the position of pouring the product and the size of the gate area are selected by experience and feel, and the design principle in the aspects of a straight runner and a horizontal runner is not emphasized, so that the speed, the pressure and the temperature of the product are lost to a certain extent in the filling process, the defects of air holes, shrinkage porosity and the like of a casting are caused, the mechanical property of the product is reduced, and the product cannot bear the force of 30-40 KN.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technical problem, provide a die casting die's fan-shaped structure of watering.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a die casting die's fan-shaped structure of watering, this die casting die include fan-shaped structure of watering, die cavity, cinder ladle, exhaust passage and the slider of loosing core, fan-shaped structure of watering is including the cake, sprue and the cross gate that communicate in proper order, sprue one end with the cross gate is connected, the other end with the cake is connected, the cross gate includes transition portion and fan-shaped gate portion, transition portion with the sprue is connected, the cross-sectional area of the fan-shaped structure axis of watering of perpendicular to in the fan-shaped structure of watering certainly the sprue arrives the cross gate reduces gradually.
Further, the sector angle of the sector gate part is 70-90 degrees.
Further, the cross-sectional area of one end of the fan-shaped gate part far away from the transition part is 450-720mm 2 。
Further, the thickness of one end, far away from the transition part, of the fan-shaped gate part is 3-6mm.
Further, the slag ladle is arranged at the edge of the cavity, and the interior of the slag ladle is communicated with the interior of the cavity.
Further, the cinder ladle includes body and connecting portion, connecting portion with the die cavity intercommunication sets up, body one end is connected with connecting portion, the other end with the exhaust passage is connected.
Further, the cavity is arranged at one end, far away from the transition portion, of the fan-shaped gate portion, and the interior of the cavity is communicated with the interior of the fan-shaped gate portion.
Furthermore, the die-casting die is a die and a cavity.
It is right from the foregoing to be known by the description of the utility model, compare with prior art, the utility model provides a pair of die casting die's fan-shaped structure of watering has following advantage:
1. the front end of the middle cross gate is a fan-shaped gate part, the fan-shaped angle of the fan-shaped gate part is 70-90 degrees and less than 90 degrees, and the problems that the metal liquid is filled in redundant positions due to overlarge angle of the fan-shaped gate part in the filling process, the cost is increased, and the molding quality of castings is reduced are solved;
2. the cross sectional area of one end of the fan-shaped gate part far away from the transition part is 450-720mm 2 The thickness is 3-6mm, so that the sector gate part has the advantages of large area and thicker gate, the pressure boosting and supplementing are convenient to carry out on the casting, and the defects of shrinkage cavity, looseness and the like of the casting are avoided;
3. the cross-sectional area perpendicular to the axis of the fan-shaped pouring gate structure in the fan-shaped pouring gate structure is gradually reduced from the sprue to the cross gate, so that the interior of the fan-shaped pouring gate structure is orderly changed, molten metal flows smoothly in the cross-sectional area, a large amount of gas is prevented from being involved when the molten metal flows, the loss of pressure, flow speed and temperature is reduced, and the molding quality of castings is improved.
Drawings
FIG. 1 is a top view of a fan-shaped runner structure of the die casting mold of the present invention;
FIG. 2 is a schematic view of the structure of the sector-shaped runner of the present invention;
fig. 3 is a partial schematic view of the sector gate according to the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It is noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1-3, a die casting die's fan-shaped runner structure, this die casting die include fan-shaped runner structure 1, die cavity 2, cinder ladle 3, exhaust passage 4 and slider 5 of loosing core, fan-shaped runner structure 1 is including the cake 11, sprue 12 and the runner 13 that communicate in proper order, sprue 12 one end with runner 13 connects, the other end with cake 11 connects, runner 13 includes transition portion 131 and fan-shaped gate portion 132, transition portion 131 with sprue 12 connects, the cross-sectional area of fan-shaped runner structure 1 axis of perpendicular to in the fan-shaped runner structure 1 certainly sprue 12 arrives runner 13 reduces gradually. The utility model discloses well horizontal runner 13's front end is fan-shaped runner portion 132, and fan-shaped angle of fan-shaped runner portion 132 is less than 90, and effectual messenger's molten metal can not lead to the molten metal to carry out filling of unnecessary position because fan-shaped runner portion 132 angle is too big in the filling process, causes the problem of the increase of cost and foundry goods shaping quality decline to appear, and simultaneously, the cross-sectional area of the fan-shaped runner of perpendicular to structure 1 axis certainly in the fan-shaped runner structure 12 extremely horizontal runner 13 reduces gradually for fan-shaped runner structure 1's inside ordered change, molten metal flow in it is smooth and easy, is drawn into a large amount of gases when avoiding the molten metal to flow, reduces the loss of pressure, velocity of flow, temperature, improves foundry goods shaping quality.
The sector angle of the sector gate part 132 is 70-90 degrees and less than 90 degrees, and the cross-sectional area of one end of the sector gate part 132 far away from the transition part 131 is 450-720mm 2 The thickness of the end, far away from the transition part 131, of the fan-shaped gate part 132 is 3-6mm, so that the fan-shaped gate part 132 has the advantages of large area and thicker gate, the pressure is increased and supplemented to the casting conveniently, and the defects of shrinkage cavity looseness and the like of the casting are avoided.
The slag ladle 3 is arranged at the edge of the cavity 2, the slag ladle 3 is internally communicated with the cavity 2, the slag ladle 3 comprises a body 31 and a connecting part 32, the connecting part 32 is communicated with the cavity 2, one end of the body is connected with the connecting part 32, the other end of the body is connected with the exhaust passage 4, the slag ladle 3 is arranged on the outer edge of the cavity 2 and used for temporarily storing molten metal with lower temperature, the molten metal cannot flow into the cavity 22 along with the subsequent flowing molten metal to influence the molding quality of castings, and the body is communicated with the exhaust passage 4 and used for exhausting gas in the sprue 12 and the cross runner 13, so that the air holes are prevented from being filled.
The die cavity 2 is arranged at one end, far away from the transition part 131, of the fan-shaped gate part 132, the inside of the die cavity 2 is communicated with the inside of the fan-shaped gate part 132, metal liquid is poured into the die cavity 2 through the material cake 11, the metal liquid flows into the die cavity 2 smoothly along the sprue 12 and the cross runner 13 in sequence, a large amount of gas is not involved in the flowing process, and the molding quality of a casting is ensured.
The die-casting die is a die-cavity.
The utility model provides a pair of die casting die's fan-shaped structure 1 of watering has following advantage: the front end of the middle cross gate 13 of the utility model is the sector gate part 132, and the sector angle of the sector gate part 132 is 70-90 degrees and less than 90 degrees, so that the metal liquid can not be filled in redundant positions due to the overlarge angle of the sector gate part 132 in the filling process, and the problems of cost increase and casting molding quality reduction are solved; the cross-sectional area of the end of the sector gate part 132 far away from the transition part 131 is 450-720mm 2 And the thickness is 3-6mm, so that the sector gate part 132 has large area and large gate areaThe advantage of thick mouth, facilitate carrying on the pressure boost to the casting, avoid the defect such as the shrinkage cavity looseness of the casting; the cross-sectional area perpendicular to the axis of the fan-shaped pouring gate structure 1 in the fan-shaped pouring gate structure 1 is gradually reduced from the sprue 12 to the cross gate 13, so that the interior of the fan-shaped pouring gate structure 1 is orderly changed, molten metal flows smoothly in the sprue, a large amount of gas is prevented from being involved in the molten metal flowing process, the loss of pressure, flow speed and temperature is reduced, and the casting forming quality is improved.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (8)
1. The utility model provides a die casting die's fan-shaped structure of watering which characterized in that: this die casting die includes fan-shaped structure of watering, die cavity, cinder ladle, exhaust passage and the slider of loosing core, fan-shaped structure of watering is including the cake of material, sprue and the cross gate that communicate in proper order, sprue one end with the cross gate is connected, the other end with the cake of material is connected, the cross gate includes transition portion and fan-shaped runner portion, transition portion with the sprue is connected, the fan-shaped cross-sectional area of watering the structure axis of structure of perpendicular to in the fan-shaped structure of watering certainly the sprue arrives the cross gate reduces gradually.
2. The sector runner structure of a die casting mold as claimed in claim 1, wherein: the fan-shaped angle of the fan-shaped gate part is 70-90 degrees.
3. The fan-shaped runner structure of a die casting mold according to claim 1, wherein: the cross sectional area of one end of the fan-shaped gate part far away from the transition part is 450-720mm 2 。
4. The fan-shaped runner structure of a die casting mold according to claim 1, wherein: the thickness of one end of the fan-shaped gate part, which is far away from the transition part, is 3-6mm.
5. The fan-shaped runner structure of a die casting mold according to claim 1, wherein: the slag ladle is arranged at the edge of the cavity, and the inside of the slag ladle is communicated with the inside of the cavity.
6. The sector runner structure of a die casting mold according to claim 1 or 5, wherein: the slag ladle comprises a body and a connecting part, wherein the connecting part is communicated with the cavity, one end of the body is connected with the connecting part, and the other end of the body is connected with the exhaust passage.
7. The fan-shaped runner structure of a die casting mold according to claim 1, wherein: the die cavity is arranged at one end, far away from the transition part, of the fan-shaped gate part, and the interior of the die cavity is communicated with the interior of the fan-shaped gate part.
8. The fan-shaped runner structure of a die casting mold according to claim 1, wherein: the die-casting die is a die and a cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222925092.7U CN218693754U (en) | 2022-11-03 | 2022-11-03 | Fan-shaped pouring gate structure of die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222925092.7U CN218693754U (en) | 2022-11-03 | 2022-11-03 | Fan-shaped pouring gate structure of die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218693754U true CN218693754U (en) | 2023-03-24 |
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ID=85605623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222925092.7U Active CN218693754U (en) | 2022-11-03 | 2022-11-03 | Fan-shaped pouring gate structure of die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218693754U (en) |
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2022
- 2022-11-03 CN CN202222925092.7U patent/CN218693754U/en active Active
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