CN2612480Y

CN2612480Y - Centrifugal casting die assembly for cast ball

Info

Publication number: CN2612480Y
Application number: CN 03220584
Authority: CN
Inventors: 窦君
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-20
Filing date: 2003-03-20
Publication date: 2004-04-21
Anticipated expiration: 2013-03-20

Abstract

The utility model relates to a manufacture device for abrasion resisting materials, particularly a centrifugal casting die assembly for cast ball used for casting abrasion-proof cast balls having a smaller diameter. The centrifugal casting die assembly for cast balls comprises a disk-shaped upper die and a lower die which are made of metallic material. The inner side of the upper die and the inner side of the lower die are engaged mutually, and a plurality of spherical casting mold cavities are formed between the upper die and the lower die. The casting openings of the dies are positioned in centers, the center of the upper die is provided with an upper casting opening, and the center of the lower die is provided with a lower casting opening which is in an annular shape. The spherical casting mold cavities are arranged around the casting openings radially, and the casting mold cavities are communicated with the casting openings via a radial casting channel. The utility model having the advantages of high utilizing rate of molten iron in casting process and high production quality of produced cast balls can increase production efficiency and can lower labor intensity and production cost.

Description

Casting ball centrifugal casting mould

Technical field

The utility model relates to the manufacturing equipment of high-abrasive material, particularly a kind of casting ball centrifugal casting mould that is used to cast than the minor diameter wear resisting cast ball.

Background technology

At present, at wear resisting cast ball, particularly in the production of the minor diameter wear resisting cast ball of diameter below 16mm, the molten iron cooling velocity is very fast because the casting bulb diameter is less, in order to keep molten iron temperature to guarantee casting, generally adopts sand casting.The shortcoming of this forging type production casting ball is: its molten iron utilization rate is lower on the one hand, only has 30%～50%; Sand mold low precision on the other hand, the ball surface that casting is come out is rough and uneven in surface, and outward appearance is lost circle, forms defective easily; Sand casting labor strength in addition is big, and the production cost height uses sand also can cause environmental pollution in a large number.

Summary of the invention

Problem to be solved in the utility model provides a kind of casting ball centrifugal casting mould of metal material, make its defective that can overcome sand casting, molten iron utilization rate height in the production process, the casting ball product quality height of production, and can enhance productivity, reduce labour intensity and production cost.

Casting ball centrifugal casting mould of the present utility model comprises the disc upper die and lower die of pair of metal material, upper and lower mould inboard is involutory mutually, constitute the cast die cavity of a plurality of spheries between the upper and lower mould, the cast gate of mould is positioned at the center, the patrix center is last cast gate, and the counterdie center is the submarine gate, and the submarine gate ringwise, described spherical cast die cavity is radial and is arranged in around the cast gate, is connected by running channel between each row's cast die cavity and the cast gate.In use, entire die is installed on the rotating mechanism, and it can be with rotating mechanism around its center rotation.

The utility model is in casting process, because entire die is rotated at a high speed,,, the assurance molten iron respectively pours into a mould die cavity before cooling under the effect of centrifugal motion thereby being full of because the molten iron that cast gate pours into can flow rapidly along running channel, whole casting process is rapidly convenient, has improved productivity ratio; Because molding time is short, can adopt the less cast gate of size, thereby improve the molten iron utilization rate; Because adopt metal die, the product surface precision is higher, the molten iron cooling velocity is fast simultaneously, makes and waters the refinement of casting ball product grains, the hardness height that outpours, and improved product quality, and metal die is reusable, has reduced production cost, has protected environment.

Description of drawings

Fig. 1 is a side of the present utility model sectional structure schematic diagram;

Fig. 2 is the planar structure schematic diagram of patrix inboard;

Fig. 3 is the planar structure schematic diagram of counterdie inboard.

The specific embodiment

As shown in the figure, this casting ball centrifugal casting mould is involuted by patrix 1 and counterdie 2, upper and lower mould is by alignment pin 7 location, cast gate is positioned at mold center, and be divided into cast gate 3 and the submarine gate 4 two parts, the submarine gate 4 ringwise, the cast die cavity 5 of a plurality of spheries is radial and is arranged in around the cast gate, is connected by running channel 6 between cast gate and each row cast die cavity.Entire die is installed on the rotating mechanism 8 in use, and mould rotates at a high speed around its center in casting process.

Claims

1, a kind of casting ball centrifugal casting mould, it is characterized in that: it includes the disc patrix (1) and the counterdie (2) of pair of metal material, upper and lower mould inboard is involutory mutually, constitute the cast die cavity (5) of a plurality of spheries between the upper and lower mould, the cast gate of mould is positioned at the center, and the patrix center is last cast gate (3), and the counterdie center is the submarine gate (4), described spherical cast die cavity (5) is radial and is arranged in around the cast gate, is connected by running channel (6) between each row's cast die cavity and the cast gate.

2, casting ball centrifugal casting mould according to claim 1, it is characterized in that: the described submarine gate (4) ringwise.

3, casting ball centrifugal casting mould according to claim 1 and 2 is characterized in that: connect the location by alignment pin (7) between the upper and lower mould.