CN218475977U - Steering gear valve body mould - Google Patents
Steering gear valve body mould Download PDFInfo
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- CN218475977U CN218475977U CN202222877448.4U CN202222877448U CN218475977U CN 218475977 U CN218475977 U CN 218475977U CN 202222877448 U CN202222877448 U CN 202222877448U CN 218475977 U CN218475977 U CN 218475977U
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Abstract
A steering gear valve body mould relates to the technical field of automobile valve body casting and comprises a parting mould bottom plate A and a parting mould bottom plate B which are the same in size, wherein four casting cavities are arranged on the mould bottom plate A and the mould bottom plate B respectively; the lower part of a sprue cup on the bottom plate B of the mold is connected with a vertically arranged sprue, two sides of the upper part of the sprue are respectively communicated with the two casting cavities in the upper row through an upper-layer casting middle water inlet channel, and two sides of the lower part of the sprue are communicated with the two casting cavities in the lower row through a lower-layer casting middle water inlet channel; the utility model discloses guaranteed that the foundry goods obtains effectual feeding, the technology yield is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the car valve body casting technique and specifically relates to a steering gear valve body mould is related to.
Background
The hydraulic steering gear of the known automobile belongs to a precise hydraulic element, consists of a steering valve and a cycloid motor, has the functions of increasing the force transmitted by a steering wheel to a steering transmission mechanism and changing the transmission direction of the force, can be used by a driver to realize larger steering force control by using smaller control force, has safe and reliable performance and convenient and flexible operation, and is widely applied to low-speed heavy-duty vehicles such as agricultural machinery, ship machinery, garden machinery, road maintenance machinery, forestry machinery, engineering machinery, mining machinery and the like; because the pressure of the hydraulic pump is very large, the internal oil circuit is complex, the steering gear valve body bears very large pressure, and the oil mixing phenomenon can not occur, the steering gear valve body is required to have high compactness and high strength, the whole valve body structure is thick, the requirement on the feeding performance of the casting process is high, the inner cavity structure is complex, and the requirements on the surface quality of a casting and the quality after processing are strict, so that the steering gear valve body mold for improving the internal quality and the surface quality is provided, and becomes a basic appeal of technical personnel in the field.
Disclosure of Invention
In order to overcome the not enough in the background art, the utility model discloses a steering gear valve body mould.
In order to realize the purpose, the utility model adopts the following technical proposal:
a diverter valve body mold comprises a parting mold bottom plate A and a parting mold bottom plate B which are the same in size, wherein four casting cavities are arranged on the mold bottom plate A and the mold bottom plate B, two casting cavities in the upper row are arranged on two sides of the mold bottom plate A and the mold bottom plate B, the two casting cavities in the lower row are arranged in the middle of the mold bottom plate A and the mold bottom plate B at intervals from left to right, the casting cavities in the lower row and the casting cavities in the upper row are arranged in a vertically staggered manner, a pouring cup is arranged at the center of the upper part of each of the mold bottom plate A and the mold bottom plate B, a cross pouring gate is connected to the lower part of the pouring cup on the mold bottom plate A, and an exhaust piece B is arranged on the outer side of the upper part of each of the four casting cavities on the mold bottom plate A; the lower part of a sprue cup on the die bottom plate B is connected with a vertically arranged sprue, two sides of the upper part of the sprue are respectively communicated with the upper row of two casting cavities through an upper-layer casting middle water inlet channel, and two sides of the lower part of the sprue are communicated with the lower row of two casting cavities through a lower-layer casting middle water inlet channel.
The upper parts of casting cavities on two sides on the upper row of the bottom plate B of the steering gear valve body mould are respectively provided with a top dead head A, the upper parts of two casting cavities on the lower row of the bottom plate B are respectively provided with a top dead head B, and the outer side of the upper part of the top dead head A is respectively provided with an exhaust sheet A.
A lower-layer casting riser horizontal pouring gate is communicated between risers of two casting cavities at the lower row of a bottom plate A of the diverter valve body mold, and the lower-layer casting riser horizontal pouring gate is in reverse lap joint with a straight pouring gate.
And the horizontal pouring channel of the diverter valve body mould is in reverse lap joint with two top risers A on a mould bottom plate B respectively.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the steering gear valve body mould of the utility model adopts the arrangement mode of staggering two parts from top to bottom, and a top riser is placed at each casting to ensure the feeding effect of the thick and big part, thereby ensuring that the casting can obtain effective feeding, better ensuring the internal quality of the casting, eliminating the problem of shrinkage cavity at the hole processing part and effectively improving the process yield; on the premise of adopting the top riser, in order to prevent the casting from generating sand and slag hole defects, a middle water inlet channel is added, the flow distribution is calculated, when the water enters 3/4 of the middle part, the top riser begins to enter water, the bottom injection process is realized, the impact of the water entering of the top riser is buffered, and the appearance defects of the casting surface, the sand hole, the slag hole and the like of a complex inner cavity are greatly reduced.
Drawings
Fig. 1 is a schematic structural view of the die base plate a of the present invention.
Fig. 2 is a schematic structural diagram of the die base plate B of the present invention.
In the figure: 1. a pouring cup; 2. a sprue; 3. a middle water inlet channel of the upper layer casting; 4. a horizontal runner; 5. a riser cross-gate of the lower-layer casting; 6. a water inlet channel is arranged in the middle of the lower-layer casting; 7. a top riser A; 8. a riser B is jacked; 9. an exhaust sheet A; 10. and an exhaust sheet B.
Detailed Description
The invention will be explained in more detail by the following examples, the purpose of which is to protect all the technical improvements within the scope of the invention.
The diverter valve body mold is characterized by comprising a parting mold bottom plate A and a parting mold bottom plate B which are the same in size, wherein the mold bottom plate A and the mold bottom plate B are respectively provided with four casting cavities, the upper row of two casting cavities are respectively arranged at two sides of the mold bottom plate A and the mold bottom plate B, the lower row of two casting cavities are respectively arranged at the middle parts of the mold bottom plate A and the mold bottom plate B at left and right intervals, the lower row of casting cavities and the upper row of casting cavities are arranged in a vertically staggered manner, pouring cups 1 are respectively arranged at the centers of the upper parts of the mold bottom plate A and the mold bottom plate B, the lower parts of the pouring cups 1 on the mold bottom plate A are connected with cross runners 4, and exhaust fins B10 are respectively arranged at the outer sides of the upper parts of the four casting cavities on the mold bottom plate A; the lower part of a pouring cup 1 on a mold bottom plate B is connected with a vertically arranged sprue 2, two sides of the upper part of the sprue 2 are communicated with two casting cavities on the upper row through an upper casting middle water inlet channel 3 respectively, and two sides of the lower part of the sprue 2 are communicated with two casting cavities on the lower row through a lower casting middle water inlet channel 6.
Further, top dead heads A7 are arranged on the upper portions of the casting cavities on the two sides on the upper row of the mold bottom plate B, top dead heads B8 are arranged on the upper portions of the two casting cavities on the lower row, and exhaust sheets A9 are arranged on the outer sides of the upper portions of the top dead heads A7.
Further, a lower-layer casting riser transverse pouring gate 5 is communicated between risers of the two casting cavities at the lower row of the mold bottom plate A, and the lower-layer casting riser transverse pouring gate 5 is in reverse lap joint with the sprue 2.
Further, the cross runners 4 are respectively in reverse lap joint with two jacking heads A7 on the die base plate B.
When the steering gear valve body mould is used, the mould bottom plate A and the mould bottom plate B are fixed through the positioning pins to manufacture a sand mould; during pouring, molten iron is shunted to enter a sprue 2 through a pouring cup 1, one path of molten iron enters four casting cavities through an upper casting middle water inlet channel and a lower casting middle water inlet channel B6 respectively, the other path of molten iron shunts to enter a cross runner 4 at the lower part of the pouring cup 1, the molten iron flows into two upper-row casting cavities through two top risers A7 of water inlet sheets at the upper parts of the two top risers A7, the sprue 2 shunts to enter a lower casting riser cross runner 5, the molten iron enters the two top risers B8 through the water inlet sheets at the upper parts of the top risers B8 respectively, and gas generated in the pouring process is exhausted out of the cavities through a gas exhausting sheet A9 and a gas exhausting sheet B10, so that gas hole defects are avoided; by calculating the flow distribution, when 3/4 of water enters the middle part, the top riser starts to enter water, the stability of molten iron filling is ensured, and the risk of forming sand slag holes by flushing a mold cavity is avoided; each casting top riser provides a good feeding condition for the casting, and the aim of no defect in the casting is fulfilled.
The part of the utility model not detailed is prior art.
The embodiments selected for the purpose of disclosing the invention of the present invention are presently considered to be suitable, however, it is to be understood that the invention is intended to cover all variations and modifications of the embodiments falling within the scope of the inventive concept and the utility model.
Claims (4)
1. The utility model provides a steering gear valve body mould, includes two the same size mould bottom plate A and the mould bottom plate B of parting, characterized by: four casting cavities are arranged on the mold base plate A and the mold base plate B, two casting cavities in the upper row are arranged on two sides of the mold base plate A and the mold base plate B, two casting cavities in the lower row are arranged in the middle of the mold base plate A and the mold base plate B at intervals from left to right, the casting cavities in the lower row and the casting cavities in the upper row are arranged in a vertically staggered manner, pouring cups are arranged at the centers of the upper parts of the mold base plate A and the mold base plate B, the lower parts of the pouring cups on the mold base plate A are connected with a cross pouring channel, and exhaust sheets B are arranged on the outer sides of the upper parts of the four casting cavities on the mold base plate A; the lower part of a sprue cup on the die bottom plate B is connected with a vertically arranged sprue, two sides of the upper part of the sprue are respectively communicated with the upper row of two casting cavities through an upper-layer casting middle water inlet channel, and two sides of the lower part of the sprue are communicated with the lower row of two casting cavities through a lower-layer casting middle water inlet channel.
2. The diverter valve body mold of claim 1, wherein: and top dead heads A are arranged at the upper parts of the casting cavities on the two sides on the upper row of the die bottom plate B, top dead heads B are arranged at the upper parts of the two casting cavities on the lower row, and exhaust fins A are arranged on the outer sides of the upper parts of the top dead heads A.
3. The diverter valve body mold of claim 1, wherein: and a lower-layer casting riser horizontal pouring gate is communicated between the risers of the two casting cavities at the lower row of the mold bottom plate A, and the lower-layer casting riser horizontal pouring gate is in reverse lap joint with the straight pouring gate.
4. The diverter valve body mold of claim 1, wherein: the cross pouring gate is respectively in reverse lap joint with two top risers A on the bottom plate B of the mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877448.4U CN218475977U (en) | 2022-10-31 | 2022-10-31 | Steering gear valve body mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877448.4U CN218475977U (en) | 2022-10-31 | 2022-10-31 | Steering gear valve body mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218475977U true CN218475977U (en) | 2023-02-14 |
Family
ID=85171268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222877448.4U Active CN218475977U (en) | 2022-10-31 | 2022-10-31 | Steering gear valve body mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218475977U (en) |
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2022
- 2022-10-31 CN CN202222877448.4U patent/CN218475977U/en active Active
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