Continuous cooling snake-shaped flow channel semi-solid rheo-die casting device
A semi-solid rheological and cooling water channel technology is applied in the field of semi-solid slurry preparation and rheological die-casting devices, which can solve the problems of weakening of the chilling effect, and achieve the promotion of nucleation, low pulping cost, and high-efficiency semi-solid rheology. The effect of die casting
Pending Publication Date: 2017-12-12
GUANGDONG UNIV OF TECH
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[0008] However, as the alloy solution flows through the mold, the temperature of the runner mold increases rapidly, so that during the pulping process, the difference between the mold temperature and the temperature of the rear part of the alloy solution (supercooling degree) decreases, and the chilling effect weakens
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[0028] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.
[0029] Such as Figure 1-5 As shown, a continuous cooling serpentine runner semi-solid rheological die-casting device includes a serpentine runner fixed mold (3) and a serpentine runner movable mold (7), and the serpentine runner fixed mold (3) The guide post (5) is matched with the snake-shaped flow channel movable mold (7) to form a snake-shaped flow channel (12); the snake-shaped flow channel movable mold (7) is connected with an electric cylinder ( 9), the serpentine runner fixed mold (3) and the serpentine runner movable mold (7) are both provided with a number of cooling channels (13).
[0030] When preparing the semi-solid slurry, by starting the electric cylinder (9), the electric cylinder (9) drives the serpentine runner movable mold (7), and the serpentine runner movable mold (7) is driven by the guide post (5), and The serpentine flow...
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The invention discloses a continuous cooling snake-shaped flow channel semi-solid rheo-die casting device. The continuous cooling snake-shaped flow channel semi-solid rheo-die casting device comprises a snake-shaped flow channel fixed die and a snake-shaped flow channel moving die. The snake-shaped flow channel fixed die is matched and connected with the snake-shaped flow channel moving die through a guide post. A snake-shaped flow channel is formed at the joint between the snake-shaped flow channel fixed die and the snake-shaped flow channel moving die. The snake-shaped flow channel moving die is connected with an electric cylinder. The snake-shaped flow channel fixed die and the snake-shaped flow channel moving die are each internally provided with a plurality of cooling water channels. Each cooling water channel is of a transverse U-shaped structure. One end of each cooling water channel is provided with a water channel sealing block. According to the continuous cooling snake-shaped flow channel semi-solid rheo-die casting device, the multiple cooling water channels are formed on the periphery of the snake-shaped flow channel; water is used as a cooling medium to continuously cool the snake-shaped flow channel; in the using process, the temperature difference between the snake-shaped flow channel and an alloy solution can be kept large, and then the chilling action of the snake-shaped flow channel dies on the later part of alloy solution is maintained. Nucleation is promoted. The pulp making effect is substantially improved.
Description
technical field [0001] The invention relates to a semi-solid slurry preparation and rheological die-casting device, in particular to a semi-solid rheological device with a continuous cooling serpentine flow channel, which belongs to the innovative technology in the field of semi-solid forming technology. Background technique [0002] Since Professor MC.Flemings of Massachusetts Institute of Technology proposed the concept of semi-solid forming in the early 1970s, the preparation of semi-solid metal paste and its forming technology have attracted worldwide attention, and have triggered researchers from all over the world to study the semi-solid forming technology. R & D investment. [0003] Semi-solid forming technology refers to the forming technology for non-dendritic dispersed suspended broken crystal semi-solid slurry, and it is divided into rheological forming and thixoforming. Different from traditional liquid forming, semi-solid forming can significantly improve the q...
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IPC IPC(8): B22D17/30B22D1/00
CPCB22D1/007B22D17/007B22D17/30
Inventor 廖恒斌章争荣丁沙胡垚
Owner GUANGDONG UNIV OF TECH
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