CN210547901U

CN210547901U - Homogeneous aluminum casting mold

Info

Publication number: CN210547901U
Application number: CN201921121674.1U
Authority: CN
Inventors: 宋沛霖
Original assignee: Zhengzhou Zhengfei Forging Co ltd
Current assignee: Zhengzhou Zhengfei Forging Co ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-19
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to an aluminium work piece casting field especially relates to a homogeneity aluminum casting mould, which comprises a die body, the mould body includes the bottom plate, the bottom plate edge is provided with the frame, the die cavity is enclosed into with the bottom plate to the frame, be provided with in the frame and water, it evenly is provided with a plurality of pouring holes that communicate to the die cavity to water the bottom, all be provided with in bottom plate, the frame and be used for making the even refrigerated chiller of the aluminium casting in the die cavity, the cooling of aluminium casting is even, the yield is high.

Description

Homogeneous aluminum casting mold

Technical Field

The utility model relates to an aluminium work piece casting field especially relates to a homogeneity aluminum casting mould.

Background

The aluminum casting is a device made of pure aluminum or aluminum alloy obtained by a casting processing method. Aluminum parts or aluminum alloy parts of various shapes and sizes obtained by pouring aluminum or aluminum alloy heated to a liquid state into a mold cavity by using a sand mold or a metal mold are generally called aluminum die castings, and the cast aluminum alloy has some advantages which cannot be compared with other castings, such as beauty, light weight, corrosion resistance and the like, so that the cast aluminum alloy is popular with users, and particularly, the cast aluminum alloy castings are widely applied to the automobile industry because of the light weight of automobiles.

Cast aluminum alloys have lower densities than cast iron and cast steel and higher specific strengths. Therefore, the aluminum alloy casting is adopted under the condition of bearing the same load, the weight of the structure can be reduced, and the aluminum alloy casting is widely applied to the manufacturing of the aviation industry, power machinery and transportation machinery. Aluminum alloys have good surface gloss and good corrosion resistance in the atmosphere and in fresh water, and thus have wide applications in the manufacture of household utensils. Pure aluminum has good corrosion resistance in oxidizing acid media such as nitric acid and acetic acid, so that aluminum castings also have certain application in the chemical industry. Pure aluminum and aluminum alloy have good heat conductivity, and are used in heat exchange devices used in chemical production and parts of power machinery, such as cylinder heads, pistons and the like of internal combustion engines, which require good heat conductivity, and are also suitable for being made of aluminum alloy.

The cylindrical blank is one of the common forms of aluminum blanks, and is mainly used for the main structure of a spacecraft and the main structure of various large-scale instruments, the existing cylindrical blank pouring mold system mainly comprises a mold box, damp mold sand is filled in the mold box, a cavity is formed by pressing the sand core, the sand core is taken out after drying, aluminum liquid is poured, mold stripping is carried out after cooling, the cylindrical aluminum blank is obtained, and finished aluminum castings are obtained after finish machining.

Disclosure of Invention

An object of the utility model is to overcome not enough among the prior art, provide a homogeneity aluminum casting mould that the cooling of aluminum casting is even, the yield is high.

The utility model discloses a realize through following technical scheme: the utility model provides a homogeneity aluminum casting mould, includes the mould body, the mould body includes the bottom plate, the bottom plate edge is provided with the frame, the frame encloses into the die cavity with the bottom plate, be provided with in the frame and water, water the bottom and evenly be provided with a plurality of pouring holes that communicate to the die cavity, all be provided with the chill that is used for making the even cooling of aluminum casting in the die cavity in bottom plate, the frame.

Furthermore, the frame and the bottom plate are both made of furan resin sand, the frame comprises an inner frame and an outer frame, and the chiller comprises a first chiller arranged in the inner frame, a second chiller arranged in the outer frame and a third chiller arranged in the bottom plate.

Further, the first chilling block comprises a transverse upper cooling part and a vertical lower cooling part, and the width value of the upper cooling part is larger than that of the lower cooling part.

Further, the second chilling block is arranged in a rectangular plate shape and transversely, the thickness value of the second chilling block is 1/3-1/2 of that of the outer frame, and the surface of the second chilling block is provided with convex-concave parts for increasing the contact area with the outer frame.

Furthermore, a plurality of through holes are formed in the middle of the second chiller, and the total area value of the through holes is 1/3-1/2 of the area value of the second chiller.

Furthermore, a plurality of rectangular third chilling block installation grooves are formed in the lower end face of the bottom plate, the third chilling blocks are rectangular plate-shaped, and the third chilling blocks are clamped in the third chilling block installation grooves.

Furthermore, landing legs are arranged at the lower ends of the first chiller and the second chiller, and a transverse cross-shaped base is arranged at the lower end of each landing leg.

The beneficial effects of the utility model reside in that: the mould comprises a bottom plate and a frame, wherein the frame and the bottom plate are enclosed to form a mould cavity, a pouring gate is arranged in the frame, the bottom of the pouring gate is uniformly provided with a plurality of pouring holes communicated to the mould cavity, aluminum liquid can be guaranteed to uniformly enter the mould cavity through the pouring gate, the cooling time is average, a chiller is arranged, the aluminum liquid can be cooled at the side surface and the bottom surface, the heat concentration of the aluminum liquid is avoided, the tissue uniformity of an aluminum casting is good, the product quality is improved, a first chiller, a second chiller and a third chiller are arranged, the heat dissipation of the aluminum liquid at the chiller part is accelerated, the aluminum liquid cooling speed is similar to that of the aluminum liquid at the edge part, and the.

Drawings

FIG. 1 is a schematic view of a mold body structure;

FIG. 2 is a schematic bottom view of the die body;

FIG. 3 is a schematic diagram of a first chiller;

FIG. 4 is a schematic front view of the first chiller;

FIG. 5 is a schematic front view of a second chiller;

FIG. 6 is a left side view of the second chiller;

FIG. 7 is a schematic view of a leg construction;

wherein: 1-bottom plate, 2-outer frame, 3-inner frame, 4-pouring channel, 5-second chiller, 6-first chiller, 61-upper cooling part, 62-lower cooling part, 7-pouring hole, 8-third chiller, 9-supporting leg, 10-base, 11-through hole and 12-third chiller mounting groove.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art.

The technical solutions in the embodiments 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 work belong to the protection scope of the present invention.

Example 1

As shown in figures 1-7, a homogeneous aluminum casting mold comprises a mold body, the mold body comprises a bottom plate 1, a frame is arranged at the edge of the bottom plate, the frame and the bottom plate define a mold cavity, a pouring channel 4 for injecting aluminum liquid is arranged in the frame, a plurality of pouring holes 7 communicated to the mold cavity are uniformly processed at the bottom of the pouring channel, in the embodiment, the bottom plate and the frame are made of furan resin materials integrally, the surface strength is high, the distance between every two adjacent pouring holes is 300mm, the aperture of each pouring hole is 16mm, the pouring holes are round holes, chilling blocks used for uniformly cooling an aluminum casting in the mold cavity are arranged in the bottom plate and the frame, specifically, the frame comprises an inner frame 3 and an outer frame 2, a pouring channel is arranged between the inner frame and the outer frame, the chilling blocks comprise a first chilling block 6 in the inner frame, a second chilling block 5 in the outer frame, a third chilling block 8 in the bottom plate, the first chilling block, the, The third chills are all multiple and are distributed according to the temperature distribution condition of the aluminum casting, the first chiller comprises a transverse upper cooling part 61 and a vertical lower cooling part 62, the width value of the upper cooling part is larger than that of the lower cooling part, the aluminum liquid moves from the lower part of the die cavity to the upper part, the width of the upper cooling part is larger than that of the lower cooling part, the heat dissipation speed of the upper part of the aluminum casting can be high, the uniform cooling of the aluminum casting is ensured by combining the heat exchange of other chills and the die, and further the uniform structure of the aluminum casting is ensured, the second chiller is in a rectangular plate shape and is transversely arranged, the thickness value of the second chiller is 1/3 of the thickness value of the outer frame, the second chiller is arranged in the middle position of the outer frame, the surface of the second chiller is provided with convex-concave parts for increasing the contact area with the outer frame, the middle position of the second chiller is provided with a plurality of through holes 11, and the total area value of the through holes is 1, set up through-hole and convex-concave, can guarantee that the second chiller is connected closely with the frame, guarantee the roughness and the thermal stability of frame, can accelerate aluminium liquid outwards to dispel the heat through the second chiller, the terminal surface processing has the third chiller mounting groove 12 of a plurality of rectangles under the bottom plate, and the third chiller is rectangular plate-like, and the third chiller clamps in the third chiller mounting groove.

For easy to assemble, first chill, second chill lower extreme cartridge have landing leg 9, and the landing leg lower extreme is provided with horizontal cross base 10, when making the mould body, supports first chill, second chill through the landing leg earlier and puts the completion, tiles the third chill, the installation psammitolite, then the pouring furan resin sand demolishs the psammitolite, obtains the mould body, at mould body upper end installation apron, puts into the diaphragm capsule, begins to use after the reinforcement.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a homogeneity aluminum casting mould which characterized in that: the aluminum casting mold comprises a mold body, wherein the mold body comprises a bottom plate, a frame is arranged at the edge of the bottom plate, a mold cavity is formed by the frame and the bottom plate in a surrounding mode, a pouring gate is arranged in the frame, a plurality of pouring holes communicated to the mold cavity are uniformly formed in the bottom of the pouring gate, and chilling blocks used for enabling aluminum castings in the mold cavity to be uniformly cooled are arranged in the bottom plate and the frame.

2. A homogeneous aluminum casting mold as set forth in claim 1 wherein: the frame and the bottom plate are both made of furan resin sand, the frame comprises an inner frame and an outer frame, and the chiller comprises a first chiller arranged in the inner frame, a second chiller arranged in the outer frame and a third chiller arranged in the bottom plate.

3. A homogeneous aluminum casting mold as set forth in claim 2 wherein: the first chilling block comprises a transverse upper cooling part and a vertical lower cooling part, and the width value of the upper cooling part is larger than that of the lower cooling part.

4. A homogeneous aluminum casting mold as set forth in claim 2 wherein: the second chilling block is arranged in a rectangular plate shape and transversely, the thickness value of the second chilling block is 1/3-1/2 of that of the outer frame, and the surface of the second chilling block is provided with convex-concave parts for increasing the contact area with the outer frame.

5. A homogeneous aluminum casting mold as set forth in claim 4 wherein: and a plurality of through holes are formed in the middle of the second chiller, and the total area value of the through holes is 1/3-1/2 of the area value of the second chiller.

6. A homogeneous aluminum casting mold as set forth in claim 2 wherein: the lower end face of the bottom plate is provided with a plurality of rectangular third chilling block mounting grooves, the third chilling blocks are rectangular plate-shaped, and the third chilling blocks are clamped in the third chilling block mounting grooves.

7. A homogeneous aluminum casting mold as set forth in claim 2 wherein: the lower ends of the first chiller and the second chiller are provided with supporting legs, and the lower ends of the supporting legs are provided with transverse cross-shaped bases.