CN210412414U

CN210412414U - Oil pan casting system structure

Info

Publication number: CN210412414U
Application number: CN201920521543.6U
Authority: CN
Inventors: 张受周
Original assignee: Tianjin Deshengmei Automobile Parts Co ltd
Current assignee: Tianjin Deshengmei Automobile Parts Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-04-28
Anticipated expiration: 2029-04-17

Abstract

The utility model provides an oil pan casting system structure belongs to the casting mould field, including core, casting system and square muscle groove, the core upper surface is the same with work piece surface structure, and casting system sets up in core upper end one side, and casting system includes that a plurality of branches water, and branch water and wait to water the work piece region and communicate with each other, and the flash air discharge duct sets up in the core upper end, and square muscle groove distributes in core upper end periphery department, with core formula structure as an organic whole. The utility model discloses optimize casting system and flash air discharge duct, slow down the liquid velocity of flow, increase pressurize pressure reduces liquid turbulence direction, and the peripheral big face of foundry goods increases square muscle groove, improves the velocity of flow of high-pressure die-casting aluminium liquid, slows down the liquid velocity of flow, utilizes the exhaust, improves and fills.

Description

Oil pan casting system structure

Technical Field

The utility model belongs to the casting mould field relates to an oil pan casting system's structure.

Background

The manufacturing method of the aluminum alloy casting at present comprises gravity sand casting, gravity lost foam casting, low-pressure casting and pressure casting, wherein the most widely applied casting mode is tranditional gravity casting, namely, the alloy liquid is injected into a casting mold from the upper part of the casting mold by utilizing the gravity of the alloy liquid. Generally, too many gates are provided for casting, so that the flash is too much, the filling time of a finished product is short, the pressure maintaining is short, the filling is finished when gas is not discharged, and the gas is left in a casting, so that the finished product is unqualified.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide an oil pan casting system structure that slows down the liquid velocity of flow, increase pressurize pressure, reduces liquid turbulent flow direction.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides an oil pan casting system structure, includes core, casting system and square muscle groove, the core upper surface is the same with work piece surface structure, casting system sets up in core upper end one side, casting system includes a plurality of branches and waters, branch water and treat that the casting work piece is regional to communicate with each other, flash air discharge duct sets up in the core upper end, square muscle groove distributes in core upper end periphery department, with core formula structure as an organic whole.

Further, the number of the branch pouring channels is four.

Furthermore, the flash exhaust grooves are arranged in a plurality of numbers and distributed along the periphery of the area of the workpiece to be cast, and the flash exhaust grooves are communicated with the flow channel.

Furthermore, ejector pins are arranged in the mold core, the ejector pins move upwards through a driving mechanism to be in contact with the workpiece, and the number of the ejector pins is multiple and is distributed at the periphery of the flow channel, the flash exhaust groove, the branch pouring gate and the workpiece area to be cast.

Furthermore, the flash exhaust groove is communicated with the workpiece area to be cast, and one end of the flash exhaust groove close to the periphery of the workpiece area to be cast is narrower than the other end of the flash exhaust groove.

Furthermore, the square rib grooves are formed in the large surface of the periphery of the area of the workpiece to be cast, and the square rib grooves are of a forty-five-degree grid structure.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses the change has optimized casting system and flash air discharge duct, has original six branches to water and change into four branches and water, slows down the liquid flow rate, and increase pressurize pressure reduces liquid turbulent flow direction.

2. The utility model discloses increase the square muscle groove of forty-five degrees on the foundry goods is big to improve the velocity of flow of high-pressure die-casting aluminium liquid, slow down the liquid velocity of flow, do benefit to the exhaust of foundry goods in-process, improve and fill.

3. The utility model discloses set up a plurality of thimbles in the core, after the work piece casting shaping, actuating mechanism control thimble is ejecting with the work piece, conveniently gets the piece.

4. The utility model discloses flash air discharge duct is narrower with the relative other end of the regional communicating one end of waiting to cast the work piece, conveniently gets the material.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is the schematic diagram of the structure of the oil pan casting system of the present invention.

Description of reference numerals:

1. a core; 2. a casting system; 3. a flash exhaust groove; 4. a square rib groove; 5. a branch pouring channel; 6. a flow channel; 7. a thimble; 8. and (4) a workpiece area to be cast.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, an oil pan casting system structure comprises a mold core 1, a casting system 2 and square rib grooves 4, the upper surface of the mold core 1 is the same as the surface structure of a workpiece, the casting system 2 is arranged on one side of the upper end of the mold core 1, the casting system 2 comprises a plurality of branch casting runners 5, the branch casting runners 5 are communicated with a workpiece area 8 to be cast, a flash exhaust groove 3 is arranged on the upper end of the mold core 1, the square rib grooves 4 are distributed on the periphery of the workpiece area 8 to be cast on the upper end of the mold core 1 and are of an integrated structure with the mold core 1, aluminum liquid flows to the workpiece area 8 in a mold cavity of the mold core 1 through the casting system 2, redundant aluminum liquid is discharged from the flash exhaust groove 3, the square rib grooves 4 are arranged on the periphery of the workpiece area 8 to be cast, liquid and gas flow are guided through the square rib grooves 4, the flow speed is reduced, the large-area.

As shown in fig. 1, the number of the branch runners 5 is preferably four, and the original six branch runners 5 are changed into four, so that the flow rate of the liquid is reduced, the pressure holding pressure is increased, and the direction of the turbulent flow of the liquid is reduced.

As shown in fig. 1, preferably, the flash exhaust grooves 3 are provided in a plurality of numbers and distributed along the periphery of the workpiece area 8 to be cast, the flash exhaust grooves 3 are communicated with the runner 6, and the square edge flash and the air bubbles are exhausted.

As shown in fig. 1, preferably, ejector pins 7 are arranged in the mold core 1, the ejector pins 7 are moved upward by a driving mechanism to contact with the workpiece, a plurality of ejector pins 7 are arranged and distributed at the periphery of the runner 6, the flash exhaust groove 3, the branch runner 5 and the workpiece area 8 to be cast, and after the workpiece is cast and molded, the driving mechanism controls the ejector pins 7 to eject the workpiece, so that the workpiece is conveniently taken.

As shown in fig. 1, the flash exhaust groove 3 is preferably arranged to communicate with the workpiece area 8 to be cast, and one end of the flash exhaust groove 3 near the periphery of the workpiece area 8 to be cast is narrower than the other end, so as to facilitate the taking out of the cast workpiece.

As shown in fig. 1, preferably, the square rib grooves 4 are arranged on the large surface of the periphery of the workpiece area 8 to be cast, the square rib grooves 4 are of a forty-five-degree grid structure, and the square rib grooves 4 are additionally arranged on the large surface so as to improve the flow rate of high-pressure die-casting molten aluminum, slow down the flow rate of liquid, facilitate air exhaust and improve filling.

The actual working process is that the aluminum liquid flows to the cavity of the mold core 1 through the casting system 2 and is provided with a casting workpiece area 8, the casting system 2 changes the original six-branch pouring gate 5 into the four-branch pouring gate 5, the redundant aluminum liquid flows to the flash exhaust groove 3 and is discharged through the flow channel 6, the square rib groove 4 is arranged at the large face of the periphery of the workpiece area 8 to be cast, liquid and gas flow are led through the square rib groove 4, the flow speed is reduced, the large face porosity is reduced, the quality qualification rate is improved, the thimble 7 is arranged in the mold core 1, the thimble 7 moves upwards through the driving mechanism and is contacted with the workpiece, after the workpiece is cast and molded, the driving mechanism controls the thimble 7 to eject the workpiece, and the workpiece is convenient to take the workpiece.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An oil pan casting system structure which characterized in that: the casting mold comprises a mold core (1), a casting system (2) and square rib grooves (4), wherein the upper surface of the mold core (1) is the same as the surface structure of a workpiece, the casting system (2) is arranged on one side of the upper end of the mold core (1), the casting system (2) comprises a plurality of branch runners (5), the branch runners (5) are communicated with a workpiece area (8) to be cast, a flash exhaust groove (3) is arranged at the upper end of the mold core (1), and the square rib grooves (4) are distributed at the periphery of the upper end of the mold core (1) and are of an integrated structure with the mold core (1).

2. An oil pan casting system structure according to claim 1, characterized in that: the number of the branch pouring channels (5) is four.

3. An oil pan casting system structure according to claim 1, characterized in that: the flash exhaust grooves (3) are arranged in a plurality of numbers and distributed along the periphery of a workpiece area (8) to be cast, and the flash exhaust grooves (3) are communicated with the flow channel (6).

4. An oil pan casting system structure according to claim 1, characterized in that: the mold core (1) is internally provided with ejector pins (7), the ejector pins (7) move upwards through a driving mechanism to be in contact with a workpiece, and a plurality of ejector pins (7) are arranged and distributed at the periphery of the flow channel (6), the flash exhaust groove (3), the branch pouring gate (5) and the workpiece area (8) to be cast.

5. An oil pan casting system structure according to claim 1, characterized in that: the flash exhaust groove (3) is communicated with the workpiece area (8) to be cast, and one end of the flash exhaust groove (3) close to the periphery of the workpiece area (8) to be cast is narrower than the other end.

6. An oil pan casting system structure according to claim 1, characterized in that: the square rib groove (4) is arranged on the peripheral large surface of the workpiece area (8) to be cast, and the square rib groove (4) is of a forty-five-degree grid structure.