阅读说明：本技术 一种设有分流腔的镁合金挤压模具 (Magnesium alloy extrusion die with flow dividing cavity ) 是由 吴雪梅 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种设有分流腔的镁合金挤压模具,涉及镁合金加工技术领域,解决了目前使用的挤压模具不具备分流功能,在收到挤压的时候不能将多出的镁合金溶液排出,不具备快速压紧功能的问题。一种设有分流腔的镁合金挤压模具,包括模具；所述模具还包括有冷却槽,立柱；所述模具的一侧开设有两组冷却槽；所述模具的顶部四周固定设置有四组立柱；所述立柱的顶部固定设置有顶板；所述顶板还包括有连杆,连接板,通过设置有浇筑管和分流管,为模具提供了分流功能,在利用挤压板对镁合金溶液进行挤压的过程中,挤压出的多余溶液会流入分流管中,最终排入分流腔进行回收,拆除分流箱即可回收镁合金。(The invention discloses a magnesium alloy extrusion die with a shunting cavity, relates to the technical field of magnesium alloy processing, and solves the problems that the existing extrusion die does not have a shunting function, cannot discharge excessive magnesium alloy solution when receiving extrusion and does not have a rapid pressing function. A magnesium alloy extrusion die with a flow dividing cavity comprises a die; the mould also comprises a cooling groove and a stand column; two groups of cooling grooves are formed in one side of the die; four groups of stand columns are fixedly arranged on the periphery of the top of the die; a top plate is fixedly arranged at the top of the upright post; the roof is still including the connecting rod, and the connecting plate pours pipe and shunt tubes through being provided with, provides the reposition of redundant personnel function for the mould, carries out extruded in-process to magnesium alloy solution utilizing the stripper plate, and the unnecessary solution that extrudes can flow into the shunt tubes in, finally discharges into the reposition of redundant personnel chamber and retrieves, demolishs the reposition of redundant personnel case and can retrieve the magnesium alloy.)

1. The utility model provides a magnesium alloy extrusion die with reposition of redundant personnel chamber which characterized in that: comprising a mould (1); the mould (1) also comprises a cooling groove (101) and a vertical column (102); two groups of cooling grooves (101) are formed in one side of the die (1); four groups of upright posts (102) are fixedly arranged on the periphery of the top of the mould (1); the top of the upright post (102) is fixedly provided with a top plate (2); the top plate (2) also comprises a connecting rod (201) and a connecting plate (202); a direction notch is formed in the middle of the front side of the top plate (2); two groups of connecting rods (201) are rotatably arranged on the rear side of the top plate (2) through hinge connection, and a connecting plate (202) is rotatably arranged on the top of the rear side of each connecting rod (201) through hinge connection; an auxiliary plate (4) is fixedly arranged on one side of the die (1); the cooling grooves (101) are internally provided with one-way plates (5) in a sliding manner; the top of the auxiliary plate (4) is rotatably provided with a transmission shaft (6) through a shaft bracket; the top of the outer side of the auxiliary plate (4) is fixedly provided with a motor (7), and the motor (7) is in transmission connection with the transmission shaft (6) through a coupler.

2. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 1, wherein: the top plate (2) further comprises a linkage plate (203), a connecting shaft (204), a rear vertical block (205) and a screw (206), and the top of the connecting plate (202) is rotatably connected with the linkage plate (203) through a connecting rod (201); two groups of connecting shafts (204) are fixedly arranged at the bottoms of the interlocking plates (203), and the connecting shafts (204) penetrate through the top plate (2) to be connected in a sliding manner; the bottom of the top plate (2) is fixedly provided with an extrusion plate (3); a rear vertical block (205) is fixedly arranged at the top of the rear side of the top plate (2), a guide rail is fixedly arranged at the rear side of the rear vertical block (205) through a bolt, and a screw rod (206) is rotatably arranged outside a guide rail sliding block through a bearing; the screw rod (206) penetrates through a middle screw hole of the connecting plate (202) to be in transmission connection with the connecting plate (202).

3. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 2, wherein: the extrusion plate (3) further comprises a pouring pipe (301), a shunt pipe (302), a cavity cover (303) and a shunt cavity (304); a pouring pipe (301) is integrally arranged in the middle of the top of the extrusion plate (3), and a shunt pipe (302) is integrally connected to the front side of the pouring pipe (301); the shunt pipe (302) inclines downwards by 45 degrees, and the bottom of the shunt pipe (302) is connected with a cavity cover (303); the bottom of the cavity cover (303) is fixedly provided with a shunting cavity (304), and the rear side of the shunting cavity (304) is attached to the front side of the mold (1).

4. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 1, wherein: the auxiliary plate (4) further comprises a driven gear (401) and a transmission gear (402); two groups of driven gears (401) are rotatably arranged on two sides of the top of the auxiliary plate (4) through rotating shafts; a transmission gear (402) is rotatably arranged in the middle of the top of the auxiliary plate (4) through a bearing, and the transmission gear (402) is meshed with two groups of driven gears (401); the top of the rotating shaft of the transmission gear (402) is in transmission connection with the transmission shaft (6) through a bevel gear.

5. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 1, wherein: the one-way plate (5) further comprises a square hole (501), a valve plate (502) and a reset rod (503); the one-way plate (5) is of a strip-shaped structure, square holes (501) are formed in the two sides of the one-way plate (5), and an extending structure is arranged on one side of each square hole (501); four groups of reset rods (503) are integrally arranged on the rear side of the valve plate (502), and the reset rods (503) penetrate through the extending structure of the square hole (501) to be sleeved with the spring and are fixedly provided with the blocking pieces; the valve plate (502) is attached to the surface of the square hole (501) through a spring on the outer side of the reset rod (503).

6. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 1, wherein: the one-way plate (5) further comprises a sliding rod (504) and a strip-shaped frame (505); sliding rods (504) are fixedly arranged in the middle of the same side of the one-way plate (5) provided with the valve plate (502), and strip-shaped frames (505) are fixedly arranged on one sides of the sliding rods (504) through the auxiliary plate (4); one side of the transmission gear (402) is uniformly provided with a shaft rod structure, the shaft rod structures of the two groups of transmission gears (402) are staggered, and the shaft rod structures are arranged in the strip-shaped frame (505) in a sliding mode.

7. The magnesium alloy extrusion die provided with the flow dividing cavity as claimed in claim 1, wherein: the inner parts of the two sides of the auxiliary plate (4) are both connected with a cooling groove (101) and provided with extension grooves, the outer sides of the cooling groove (101) and the auxiliary plate (4) are both fixedly provided with a convex structure in a sealing manner, and the inner side of the convex structure is connected with a one-way valve (8); and a water pipe is arranged between the outer one-way valves (8) of the cooling tank (101) through a three-way structure to be connected with a cooling channel (9).

8. The magnesium alloy extrusion die provided with the flow-dividing cavity as claimed in claim 7, wherein: the cooling channel (9) also comprises a flow dividing cover (901), a sponge plate (902) and a flow guide plate (903); the top of the cooling channel (9) is fixedly provided with a flow dividing cover (901) through a cylindrical structure; sponge plates (902) are fixedly arranged on the inner sides of the bottoms of the shunt covers (901), and a gap is reserved between the top surfaces of the sponge plates (902) and the bottoms of the shunt covers (901); the outer one-way valves (8) of the auxiliary plate (4) are communicated with the middle of the top of the flow dividing cover (901) through a water pipe arranged in a three-way structure; the inboard of cooling ditch (9) is fixed and is provided with two sets of guide plates (903), and two sets of guide plates (903) position is crisscross all inwards to the downward sloping.

Technical Field

The invention relates to the technical field of magnesium alloy processing, in particular to a magnesium alloy extrusion die with a flow dividing cavity.

Background

Magnesium is one of the most abundant metallic elements in the earth's crust, second only to aluminium and iron. The magnesium alloy has the advantages of minimum density in metal structure, 2/3 of secondary aluminum only and 1/4 of steel, high specific strength, good electromagnetic shielding resistance effect, large impact resistance and vibration attenuation energy, high dimensional stability, good thermal conductivity and good cutting performance. And can be regenerated and used. Therefore, magnesium alloy is known as "green engineering material" with the most development and application potential in the 21 st century.

Through retrieval, for example, patent No. CN107855375B discloses a magnesium alloy semi-solid extrusion die, which comprises an extrusion cylinder, an extrusion chamber, a plug, a first seal ring, a second seal ring, an extrusion die, and a concave groove, wherein the extruded magnesium material is led out through the concave groove, the extrusion die is connected with an extrusion shaft through a plurality of uniformly distributed springs, one end of the extrusion shaft is fixedly provided with a stress block, the stress block is connected with the extrusion machine, and the extrusion machine provides extrusion force to drive the extrusion shaft to extrude the magnesium material; a cooling groove is processed in the extrusion cylinder body, and cooling liquid is filled in the cooling groove. According to the invention, the height of the extrusion cylinder can be adjusted by adjusting the upright post, the first sealing ring and the second sealing ring are used for sealing the extrusion cylinder, and the first guide plate and the second guide plate provide a guide effect for the magnesium material, so that the magnesium material is prevented from shifting in the extrusion process, the magnesium material is prevented from being heated unevenly, and the yield of the magnesium material is improved.

For example, patent No. CN107234143B discloses a special die for rotational extrusion of aluminum magnesium alloy, which comprises a male die and a female die, wherein a groove with a trapezoidal cross section is formed at the end of a working belt of the male die, the male die is hollow, the hollow cross sections of the male die are equal, at least two symmetrical axial grooves are formed on the circumferential wall of a die cavity of the female die, and a cavity is formed inside a clamping part of the female die. The invention obviously reduces the axial extrusion force, enables the deformation of the formed piece to be more uniform and improves the mechanical property of the formed workpiece.

However, the extrusion die used at present does not have a flow dividing function, can not discharge excessive magnesium alloy solution when receiving extrusion, does not have a rapid compression function, is not beneficial to uniformly modulating magnesium alloy, and meanwhile, a common die does not have a cooling function of rapid cooling, so that the existing requirement is not met, and the magnesium alloy extrusion die with the flow dividing cavity is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide a magnesium alloy extrusion die with a shunting cavity, and aims to solve the problems that the existing extrusion die in the background technology does not have a shunting function, cannot discharge excessive magnesium alloy solution when receiving extrusion, does not have a rapid pressing function, is not beneficial to uniformly modulating magnesium alloy, and meanwhile, a common die does not have a cooling function of rapidly cooling.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a magnesium alloy extrusion die with a flow dividing cavity comprises a die; the mould also comprises a cooling groove and a stand column; two groups of cooling grooves are formed in one side of the die; four groups of stand columns are fixedly arranged on the periphery of the top of the die; a top plate is fixedly arranged at the top of the upright post; the top plate also comprises a connecting rod and a connecting plate; a direction notch is formed in the middle of the front side of the top plate; the rear side of the top plate is rotatably provided with two groups of connecting rods through a hinge, and the top of the rear side of each connecting rod is rotatably provided with a connecting plate through a hinge; an auxiliary plate is fixedly arranged on one side of the die; the cooling grooves are internally provided with one-way plates in a sliding manner; the top of the auxiliary plate is rotatably provided with a transmission shaft through a shaft bracket; the motor is fixedly arranged at the top of the outer side of the auxiliary plate and is in transmission connection with the transmission shaft through the coupler.

Preferably, the top plate further comprises a linkage plate, a connecting shaft and a rear vertical block, and the top of the connecting plate of the screw is rotatably connected with the linkage plate through a connecting rod; two groups of connecting shafts are fixedly arranged at the bottoms of the interlocking plates and penetrate through the top plate to be connected in a sliding manner; the bottom of the top plate is fixedly provided with an extrusion plate; a rear vertical block is fixedly arranged at the top of the rear side of the top plate, a guide rail is fixedly arranged at the rear side of the rear vertical block through a bolt, and a screw rod is rotatably arranged outside a guide rail sliding block through a bearing; the screw rod penetrates through a middle screw hole of the connecting plate and is in transmission connection with the connecting plate.

Preferably, the extrusion plate further comprises a pouring pipe, a flow dividing pipe, a cavity cover and a flow dividing cavity; a pouring pipe is integrally arranged in the middle of the top of the extrusion plate, and a flow dividing pipe is integrally connected to the front side of the pouring pipe; the shunt tubes are inclined downwards by 45 degrees, and the bottom parts of the shunt tubes are connected with a cavity cover; the bottom of the cavity cover is fixedly provided with a shunting cavity, and the rear side of the shunting cavity is attached to the front side of the mold.

Preferably, the auxiliary plate further comprises a driven gear and a transmission gear; two groups of driven gears are rotatably arranged on two sides of the top of the auxiliary plate through rotating shafts; a transmission gear is rotatably arranged in the middle of the top of the auxiliary plate through a bearing and is meshed with the two groups of driven gears; the top of the rotating shaft of the transmission gear is in transmission connection with the transmission shaft through a bevel gear.

Preferably, the one-way plate further comprises a square hole, a valve plate and a reset rod; the one-way plate is of a strip-shaped structure, square holes are formed in the two sides of the one-way plate, and an extending structure is arranged on one side of each square hole; four groups of reset rods are integrally arranged on the rear side of the valve plate, penetrate through the extending structure of the square hole, are sleeved with the spring and are fixedly provided with the retaining pieces; the valve block is attached to the surface of the square hole through a spring outside the reset rod.

Preferably, the one-way plate further comprises a sliding rod and a strip-shaped frame; sliding rods are fixedly arranged in the middle of the same side of the one-way plate with the valve plate, and strip-shaped frames are fixedly arranged on one side of each sliding rod through the auxiliary plate; one side of the transmission gear is provided with a shaft lever structure in a uniform mode, the shaft lever structure positions of the two groups of transmission gears are staggered, and the shaft lever structures are arranged in the bar-shaped frame in a sliding mode.

Preferably, the inner parts of the two sides of the auxiliary plate are both connected with a cooling groove and provided with extension grooves, the outer sides of the cooling groove and the auxiliary plate are both fixedly provided with a protruding structure in a sealing manner, and the inner side of the protruding structure is connected with a one-way valve; and a water pipe is arranged between the outside one-way valves of the cooling tank through a three-way structure to connect with a cooling channel.

Preferably, the cooling channel further comprises a flow dividing cover, a sponge plate and a flow guide plate; the top of the cooling channel is fixedly provided with a flow dividing cover through a cylindrical structure; sponge plates are fixedly arranged on the inner sides of the bottoms of the shunt covers, and a gap is reserved between the top surfaces of the sponge plates and the bottoms of the shunt covers; the outer one-way valves of the auxiliary plates are provided with water pipes through a three-way structure and communicated with the middle of the top of the flow dividing cover; the inboard of cooling canal is fixed and is provided with two sets of guide plates, and two sets of guide plates position is crisscross all inwards the downward sloping.

(III) advantageous effects

The invention provides a magnesium alloy extrusion die with a diversion cavity, which provides a diversion function for the die by arranging a pouring pipe and a diversion pipe, wherein in the process of extruding a magnesium alloy solution by using an extrusion plate, the extruded redundant solution flows into the diversion pipe and is finally discharged into the diversion cavity for recycling, and the magnesium alloy can be recycled by removing a diversion box; the arrangement of the connecting plate and the screw rod provides power for the extrusion of the extrusion plate, and the sliding block mechanism can be used for tightening the interlocking plate to lean against the top plate by rotating the screw rod, so that a uniform and stable extrusion function is provided for the die.

Secondly, the setting of cooling bath provides the function of continuously cooling down for the mould, and it is rotatory driving the transmission shaft through the motor, finally can carry out the motion that lasts reciprocating with the unidirectional board through driven gear, utilize the unidirectional board to slide in the cooling bath and can take out water to the cooling ditch in, make the circulating water at the cooling bath mesocycle, continuously carry out rapid cooling to the mould, can effectively increase magnesium alloy's crystallization.

Moreover, the setting of reposition of redundant personnel lid and sponge board provides the function that lasts the cooling for the cooling water, flows into the reposition of redundant personnel lid after the circulating water, can through the sponge board with the equal income cooling ditch of discharging into of water, the circulating water can be further cooled down the circulating water after the direction reposition of redundant personnel speed reduction by the direction of guide plate simultaneously to guarantee the cooling of mould.

The extrusion die who uses at present does not possess the reposition of redundant personnel function, can not discharge the magnesium alloy solution of excessive play when receiving the extrusion, does not possess the rapid compaction function, is unfavorable for evenly modulating magnesium alloy, and general mould does not possess rapid cooling's cooling function simultaneously

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic perspective rear view structure in an embodiment of the present invention;

FIG. 4 is a schematic bottom view of the embodiment of the present invention;

FIG. 5 is a partial perspective view of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a unidirectional plate according to an embodiment of the present invention;

FIG. 7 is a schematic axial side view of a unidirectional plate in an embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a mold; 101. a cooling tank; 102. a column; 2. a top plate; 201. a connecting rod; 202. a connecting plate; 203. an interlock plate; 204. a connecting shaft; 205. a rear vertical block; 206. a screw; 3. a pressing plate; 301. pouring a pipe; 302. a shunt tube; 303. a chamber cover; 304. a shunting cavity; 4. an auxiliary plate; 401. a driven gear; 402. a transmission gear; 5. a one-way plate; 501. a square hole; 502. a valve plate; 503. a reset lever; 504. a slide bar; 505. a bar frame; 6. a drive shaft; 7. a motor; 8. a one-way valve; 9. a cooling channel; 901. a shunt cover; 902. a sponge plate; 903. a baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a magnesium alloy extrusion die with a flow dividing cavity comprises a die 1; the mould 1 also comprises a cooling groove 101 and a vertical column 102; one side of the die 1 is provided with two groups of cooling grooves 101; four groups of upright posts 102 are fixedly arranged around the top of the die 1; the top of the upright post 102 is fixedly provided with a top plate 2; the top plate 2 also comprises a connecting rod 201 and a connecting plate 202; a direction notch is formed in the middle of the front side of the top plate 2; the rear side of the top plate 2 is rotatably provided with two groups of connecting rods 201 through hinge connection, and the top of the rear side of each connecting rod 201 is rotatably provided with a connecting plate 202 through hinge connection; the top plate 2 further comprises a linkage plate 203, a connecting shaft 204 and a rear vertical block 205, and the top of the screw 206 connecting plate 202 is rotatably connected with the linkage plate 203 through a connecting rod 201; two groups of connecting shafts 204 are fixedly arranged at the bottoms of the interlocking plates 203, and the connecting shafts 204 penetrate through the top plate 2 to be connected in a sliding manner; the bottom of the top plate 2 is fixedly provided with an extrusion plate 3; the extrusion plate 3 further comprises a pouring pipe 301, a shunt pipe 302, a cavity cover 303 and a shunt cavity 304; a pouring pipe 301 is integrally arranged in the middle of the top of the extrusion plate 3, and a flow dividing pipe 302 is integrally connected to the front side of the pouring pipe 301; the shunt tube 302 inclines downwards 45 degrees, and the bottom of the shunt tube 302 is connected with a cavity cover 303; a shunting cavity 304 is fixedly arranged at the bottom of the cavity cover 303, and the rear side of the shunting cavity 304 is attached to the front side of the mold 1; a rear vertical block 205 is fixedly arranged at the top of the rear side of the top plate 2, a guide rail is fixedly arranged at the rear side of the rear vertical block 205 through a bolt, and a screw 206 is rotatably arranged outside a guide rail sliding block through a bearing; the screw rod 206 penetrates through a middle screw hole of the connecting plate 202 and is in transmission connection with the connecting plate 202; an auxiliary plate 4 is fixedly arranged on one side of the die 1; the auxiliary plate 4 further comprises a driven gear 401 and a transmission gear 402; two groups of driven gears 401 are rotatably arranged on two sides of the top of the auxiliary plate 4 through rotating shafts; a transmission gear 402 is rotatably arranged in the middle of the top of the auxiliary plate 4 through a bearing, and the transmission gear 402 is meshed with two groups of driven gears 401; the top of the rotating shaft of the transmission gear 402 is in transmission connection with the transmission shaft 6 through a bevel gear; the cooling grooves 101 are internally provided with one-way plates 5 in a sliding manner; the one-way plate 5 further comprises a square hole 501, a valve plate 502 and a reset rod 503; the one-way plates 5 are all of strip-shaped structures, square holes 501 are formed in the two sides of each one-way plate 5, and extension structures are arranged on one sides of the square holes 501; four groups of reset rods 503 are integrally arranged on the rear side of the valve plate 502, and the reset rods 503 are all sleeved with springs and fixedly provided with blocking pieces after passing through the extending structure of the square hole 501; the valve plates 502 are attached to the surface of the square hole 501 through springs on the outer sides of the reset rods 503; wherein, the one-way plate 5 further comprises a sliding rod 504 and a strip-shaped frame 505; a sliding rod 504 is fixedly arranged in the middle of the same side of the one-way plate 5 with the valve plate 502, and a strip-shaped frame 505 is fixedly arranged on one side of the sliding rod 504 through the auxiliary plate 4; one side of the transmission gear 402 is integrally provided with a shaft rod structure, the shaft rod structures of the two groups of transmission gears 402 are staggered, and the shaft rod structures are arranged in the bar-shaped frame 505 in a sliding manner; the top of the auxiliary plate 4 is rotatably provided with a transmission shaft 6 through a shaft bracket; the motor 7 is fixedly arranged at the top of the outer side of the auxiliary plate 4, and the motor 7 is in transmission connection with the transmission shaft 6 through a coupler.

Wherein, the inner parts of the two sides of the auxiliary plate 4 are both connected with the cooling groove 101 and provided with extension grooves, the outer sides of the cooling groove 101 and the auxiliary plate 4 are both fixedly provided with a convex structure in a sealing way, and the inner side of the convex structure is connected with the one-way valve 8; a cooling channel 9 is arranged between the outside one-way valves 8 of the cooling tank 101 through a three-way structure and is connected with a water pipe.

Wherein, the cooling channel 9 also comprises a flow dividing cover 901, a sponge plate 902 and a guide plate 903; the top of the cooling channel 9 is fixedly provided with a flow dividing cover 901 through a cylindrical structure; sponge plates 902 are fixedly arranged on the inner sides of the bottoms of the shunt covers 901, and a gap is reserved between the top surfaces of the sponge plates 902 and the bottoms of the shunt covers 901; the outer one-way valves 8 of the auxiliary plate 4 are provided with water pipes through a three-way structure and communicated with the middle of the top of the flow dividing cover 901; two groups of guide plates 903 are fixedly arranged on the inner side of the cooling channel 9, and the two groups of guide plates 903 are staggered and inclined inwards and downwards.

The working principle is as follows: when the water injection device is used, the screw rod 206 is rotated to push the connecting plate 202 backwards by screw thread propulsion, and the connecting plate 202 lowers the interlocking plate 203 by the connecting rods 201 at two sides, namely, the extrusion plate 3 is pushed downwards, and the extrusion plate 3 is pushed into the die 1; the magnesium alloy solution is poured into the mold 1 through the pouring pipe 301, the extrusion plate 3 is further moved downwards, the magnesium alloy solution is shaped through extrusion of the extrusion plate 3, and the extruded excessive solution flows into the shunt cavity 304 from the shunt pipe 302 for recycling.

Starter motor 7, motor 7 drives transmission shaft 6 rotatory, transmission shaft 6 drives transmission gear 402 rotatory, transmission gear 402 drives two sets of driven gear 401 synchronous revolution, axostylus axostyle outside through transmission gear 402 can drive bar frame 505 and remove, bar frame 505 drives slide bar 504 and one-way board 5 and lasts reciprocating motion, the in-process that removes at one-way board 5 can pass through the pipeline extraction circulation with the water in the cooling canal 9, it can last quick cooling to mould 1 to pass through cooling bath 101 continuously through water, finalize the design with the magnesium alloy.

When circulating water flows into the flow dividing cover 901, the water can drip through the diffusion of the sponge plate 902 and fall into the cooling channel 9, and the water is further cooled by the guide plate 903.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.