CN213614035U - Valve die casting die runner structure - Google Patents
Valve die casting die runner structure Download PDFInfo
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- CN213614035U CN213614035U CN202021585561.XU CN202021585561U CN213614035U CN 213614035 U CN213614035 U CN 213614035U CN 202021585561 U CN202021585561 U CN 202021585561U CN 213614035 U CN213614035 U CN 213614035U
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Abstract
The utility model discloses a valve die casting die runner structure, which comprises a die casting die, wherein the die casting die is provided with a flow cavity, a feeding port and a discharging port, and the feeding port and the discharging port are respectively communicated with the flow cavity; a molding part is arranged in the flow cavity, and a sprue is arranged between the feeding port and the molding part; the forming part comprises a first forming part, a second forming part and a third forming part, an enclosing ring is arranged around the first forming part, the first forming part is positioned in the enclosing ring, and the enclosing ring is provided with an opening; the second forming part is provided with a convex seat, and the end surface of the convex seat is provided with a convex block; the third forming part is provided with a ring strip, and the end surface of the ring strip is provided with a plurality of cylinders; and fluid enters the flow cavity from the feeding port through the feeding gate and flows through the first forming part, the second forming part and the third forming part to be discharged out of the discharge port. It has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the product has excellent technical and economic performance.
Description
[ technical field ] A method for producing a semiconductor device
The utility model mainly relates to a valve die casting die runner structure.
[ background of the invention ]
The die-casting die is a method for casting liquid die forging, and is a process finished on a special die-casting die forging machine. The basic process comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state. In order to ensure the comprehensive mechanical performance of the die-casting blank and reduce the reject ratio, a design scheme of a mold cavity flow channel structure is provided.
[ Utility model ] content
Comprehensive mechanical properties for the die-casting blank obtains guaranteeing, reduces the defective rate, the utility model provides a new structural scheme, this valve die casting die runner structure adopts following technical scheme:
a runner structure of a valve die-casting die comprises a die-casting die, wherein the die-casting die is provided with a flow cavity, a feeding opening and a discharging opening, and the feeding opening and the discharging opening are respectively communicated with the flow cavity; a molding part is arranged in the flow cavity, and a sprue is arranged between the feeding port and the molding part;
the forming part comprises a first forming part, a second forming part and a third forming part, an enclosing ring is arranged around the first forming part, the first forming part is positioned in the enclosing ring, and the enclosing ring is provided with an opening; the second forming part is provided with a convex seat, and the end surface of the convex seat is provided with a convex block; the third forming part is provided with a ring strip, and the end surface of the ring strip is provided with a plurality of cylinders;
and fluid enters the flow cavity from the feeding port through the feeding gate and flows through the first forming part, the second forming part and the third forming part to be discharged out of the discharge port.
Preferably, the lower mold has a circulation groove, and the first forming portion, the second forming portion and the third forming portion are communicated with the circulation groove.
Preferably, a runner is arranged between the first forming part and the surrounding ring.
Preferably, the second molding part and the third molding part have a space therebetween.
Preferably, a boss is arranged adjacent to the third forming part, and the boss and the second forming part are respectively arranged at two sides of the third forming part.
Preferably, the die-casting die comprises an upper die and a lower die, wherein the lower die is provided with a runner, and the runner is communicated with the gate.
Preferably, the lower die is provided with a plurality of die drawing concave positions.
The utility model discloses compare produced beneficial effect with the background art:
the above technical scheme is adopted in the utility model, with the multiple spot runner feeding mode optimization for continuous single runner feeding, let aluminium liquid flow state change by the disorderly flow state trend optimize into stable flow state trend, die-casting blank comprehensive properties can effectively be improved to the runner structure of singly winding mouthful feeding in succession, improve cold shut, gas pocket, the shrinkage cavity problem of die-casting, the improvement of inclined hole position very much.
[ description of the drawings ]
Fig. 1 is a schematic view of a die casting mold according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a lower mold of the preferred embodiment of the present invention;
fig. 3 is a schematic diagram of an upper mold according to a preferred embodiment of the present invention.
[ detailed description ] embodiments
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
The utility model provides a preferred embodiment: as shown in fig. 1 to 3, a runner structure of a valve die-casting mold comprises a die-casting mold, wherein the die-casting mold comprises an upper mold 10 and a lower mold 20 which are connected in a matching manner;
the die-casting die is provided with a flow cavity 29, a feeding port 21 and a discharging port 22, and the feeding port 21 and the discharging port 22 are respectively communicated with the flow cavity 29; a molding part 40 is arranged in the flow cavity 29, and a feeding gate 41 is arranged between the feeding port 21 and the molding part 40;
the molding part 40 includes a first molding part 23, a second molding part 24, and a third molding part 25; fluid enters the flow cavity 29 from the feeding port 21 and fills the first forming part 23, the second forming part 24 and the third forming part 25, and the product is discharged from the discharging port 22 after being formed. The lower die 20 is provided with a runner 27 and a plurality of die-stripping concave positions 28, and the runner 27 is communicated with the gate 41.
A surrounding ring 231 is arranged around the first forming portion 23, the first forming portion 23 is positioned in the surrounding ring 231, a flow groove 232 is arranged between the first forming portion 23 and the surrounding ring 231, and the surrounding ring 231 is provided with an opening 233; the molten metal enters the surrounding ring 231 from the opening, the second forming part 24 is provided with a convex seat 241, and the end surface of the convex seat 241 is provided with a convex block 242; the third forming part 25 is provided with a ring strip 251, and a plurality of columns 252 are arranged on the end surface of the ring strip 251;
the lower die 20 is provided with a circulation groove 30, and the first forming part 23, the second forming part 24 and the third forming part 25 are communicated with the circulation groove 30; the second molding portion 24 and the third molding portion 25 have a space therebetween; adjacent to the third forming portion 25, a boss 26 is provided, and the boss 26 and the second forming portion 24 are respectively provided at two sides of the third forming portion 25.
Because the blank is subjected to die-casting and then needs to be machined, the cold shut, air holes and shrinkage cavities of the blank after machining are high in requirements, and particularly, under the condition that the machining surface roughness of the inclined hole position of 6 degrees requires Ra0.4, the defect of the blank after machining by the PCD cutter is easy to appear. This patent design is through test and experiment many times, and it is continuous single runner feeding to optimize into with the multiple spot runner feeding mode, lets aluminium liquid flow state change optimize into stable flow state trend by turbulent flow state trend, and the runner structure of continuous single round mouthful feeding can effectively improve die-casting blank comprehensive properties, improves cold shut, gas pocket, the shrinkage cavity problem of die-casting, the improvement of inclined hole position very much.
In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.
Claims (7)
1. The utility model provides a valve die casting die runner structure, includes die casting die, its characterized in that: the die-casting die is provided with a flow cavity, a feeding port and a discharging port, and the feeding port and the discharging port are respectively communicated with the flow cavity; a molding part is arranged in the flow cavity, and a sprue is arranged between the feeding port and the molding part;
the forming part comprises a first forming part, a second forming part and a third forming part, an enclosing ring is arranged around the first forming part, the first forming part is positioned in the enclosing ring, and the enclosing ring is provided with an opening; the second forming part is provided with a convex seat, and the end surface of the convex seat is provided with a convex block; the third forming part is provided with a ring strip, and the end surface of the ring strip is provided with a plurality of cylinders;
and fluid enters the flow cavity from the feeding port through the feeding gate and flows through the first forming part, the second forming part and the third forming part to be discharged out of the discharge port.
2. The valve die casting mold runner structure of claim 1, wherein: the die-casting die comprises an upper die and a lower die, wherein the lower die is provided with a runner, and the runner is communicated with a sprue.
3. The valve die casting mold runner structure of claim 2, wherein: the lower die is provided with a plurality of die drawing concave positions.
4. The valve die casting mold runner structure of claim 3, wherein: the lower die is provided with a circulation groove, and the first forming portion, the second forming portion and the third forming portion are communicated with the circulation groove.
5. The valve die casting mold runner structure of claim 4, wherein: a runner is arranged between the first forming part and the surrounding ring.
6. The valve die casting mold runner structure of claim 5, wherein: the second forming portion and the third forming portion have a space therebetween.
7. The valve die casting mold runner structure of claim 6, wherein: bosses are arranged adjacent to the third forming part, and the bosses and the second forming part are respectively arranged at two sides of the third forming part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585561.XU CN213614035U (en) | 2020-08-03 | 2020-08-03 | Valve die casting die runner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021585561.XU CN213614035U (en) | 2020-08-03 | 2020-08-03 | Valve die casting die runner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213614035U true CN213614035U (en) | 2021-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021585561.XU Active CN213614035U (en) | 2020-08-03 | 2020-08-03 | Valve die casting die runner structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213614035U (en) |
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2020
- 2020-08-03 CN CN202021585561.XU patent/CN213614035U/en active Active
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