CN213104411U - Die-casting forming die for magnesium alloy template - Google Patents

Abstract

The utility model discloses a die-casting forming die for magnesium alloy template, including cover half, movable mould and the slider parting subassembly of setting on the die carrier, draw close the closure and form the die-casting chamber that is used for die-casting to the cover half through the movable mould, at the in-process of die-casting, the cooperation through core and slider parting subassembly forms the lateral wall of die casting, and then obtains the die casting that dimensional error is little, surface accuracy is high, can satisfy quick large batch production demand through the mode of die-casting.

Description

Die-casting forming die for magnesium alloy template

Technical Field

The utility model relates to a mould, in particular to a die-casting forming die for magnesium alloy template.

Background

In industrial production, die casting refers to a precision casting method in which molten metal is forcibly pressed into a metal mold with a complicated shape by high pressure, and a die casting obtained by die casting has a small dimensional tolerance and high surface precision, and can be assembled and applied without turning in most cases, so that a target die casting can be rapidly mass-produced by using a die casting forming mold. Fig. 4 and 5 are schematic diagrams of two structures of a magnesium alloy template (die casting 300), and a corresponding die-casting mold is not available in the market for die-casting production, but if a manufacturing method other than die-casting is adopted, the required production period is long, and the requirement for rapid mass production cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a die-casting forming die for magnesium alloy template for quick mass production obtains the die casting of magnesium alloy template.

According to the utility model discloses a die-casting forming die for magnesium alloy template, include:

the fixed die is provided with a detachable insert at one end, an open cavity is arranged at one end of the insert, a sprue communicated with the cavity is arranged at one end of the fixed die opposite to the insert, and a plurality of guide sleeves are uniformly arranged on the fixed die;

the movable die is movably arranged at one end, close to the guide sleeve, of the fixed die, the movable die is provided with a plurality of guide pillars corresponding to the guide sleeve, the movable die is provided with an adjustable core corresponding to the cavity, spaces are formed between four side surfaces of the core and the cavity, a die casting cavity is formed between the fixed die and the movable die through the spaces, and the shape and the size of the die casting cavity are consistent with those of a target die casting;

the die carrier is provided with a first die carrier used for fixing the fixed die and a second die carrier used for fixing the movable die;

and the sliding block parting component is arranged on the die frame, surrounds and is attached to the side wall of the die casting cavity.

According to the utility model discloses a die-casting forming die for magnesium alloy template has following technological effect at least:

the utility model provides a die-casting forming die for magnesium alloy template has formed a modular dismouting mould through cover half and movable mould, and its cover half passes through the cover half mounting panel of first die carrier connection die casting machine, realizes its fixed mounting; the movable die is connected with a movable die base plate of the die casting machine through a second die carrier, so that the movable die can move (namely close to or far away from the fixed die) along with the movable die base plate to open and close the die; generally, the fixed die is a female die and is provided with a cavity, the movable die is a male die and is provided with a movable (adjustable) core, and the movable die can be controlled to move by a die casting machine or the movable core is extracted or inserted to complete related die casting work; in above-mentioned structure, the parting that the slider parting subassembly can cooperate cover half and movable mould fully to realize the die casting, cover half and movable mould are when the closure promptly, utilize the closing surface of cover half and movable mould to form a continuous die joint, utilize the slider parting subassembly extrusion of the lateral wall that encircles laminating die-casting chamber to form four vertical lateral walls of die casting, under the sealed condition of assurance, cooperation through between the three can form that surface precision is good, the die casting that die-casting size error is little, like this, the die casting that obtains need not to process or process slightly can put into the equipment production, thereby reach the industrial production demand of quick mass production in the short time.

According to some embodiments of the utility model, the cover half is provided with the draft that subtracts meat of 1, and the opening of die cavity is outside to expand 1 promptly to cooperate the die casting machine to carry out drawing of patterns work.

According to the utility model discloses a some embodiments, slider parting subassembly is laminated according to the order all around the lateral wall in die-casting chamber has set gradually ground side slider, day side slider, first side slider and second side slider, and the parting and the size accuracy of die-casting are further guaranteed to the slider through four laminating die-casting lateral walls.

According to the utility model discloses a some embodiments, the die-casting forming die still includes:

the casting assembly is communicated with the cavity through the pouring gate and is used for conveying molten metal;

the cooling pipe groups are uniformly distributed in the die-casting cavity and are used for cooling the die-casting piece and maintaining the normal temperature of the die;

and the overflow discharge assembly is arranged on the die carrier and is matched with the casting assembly to store ash.

In consideration of the core pulling (core adjustment) and the movement of the movable die, a corresponding connecting mechanism or component is further arranged between the die and the die casting machine for matching, such as a core pulling mechanism or an ejection rack for controlling the extraction or insertion of the core, and a lifting component for driving the movable die to move, wherein the lifting component can be provided with a hydraulic telescopic cylinder for driving and can also be driven by a motor for lifting.

According to some embodiments of the utility model, be provided with mobilizable push rod plate at the removal end of movable mould, the push rod plate drives the core and removes under the effect of above-mentioned lifting assembly.

According to the utility model discloses a some embodiments, the movable mould is provided with the cushion that has a take the altitude (or length) in the both ends of push rod plate, through increasing whole height (or length) that the cushion both can multiplicable whole movable mould, the removal stroke of multiplicable push rod plate again to satisfy movable core and adjust required distance and installation space.

According to the utility model discloses a some embodiments, the casting subassembly is provided with sprue, cross gate and ingate, the sprue with the installation of runner adaptation, the cross gate is connected the sprue to be provided with a plurality of connectors along length direction, the ingate adaptation is installed on the connector, the terminal surface laminating of the output of ingate the same lateral wall in die-casting chamber.

According to some embodiments of the utility model, the cooling tube nest in be provided with a plurality of cooling tubes on the die cavity lateral wall for the rapid cooling die casting.

According to some embodiments of the present invention, the cooling tube assembly is provided with a plurality of cooling tubes on one end surface of the core for increasing a cooling rate.

According to some embodiments of the utility model, arrange the subassembly that overflows in the movable mould laminating the position in die-casting chamber is provided with a plurality of ashes boxes to be used for collecting the molten metal or the ashes that spill over.

According to some embodiments of the utility model, be provided with a plurality of thimbles of evenly arranging in the die-casting intracavity.

According to the utility model discloses a some embodiments, the cover half is in the closure the one end of movable mould is provided with the cover half lagging, the movable mould corresponds the cover half lagging is provided with the movable mould lagging, the cover half lagging with the movable mould lagging is closed each other and forms seal structure, and the sealed degree of whole mould when improving the die-casting avoids external gas to get into the die cavity and causes destruction to the die casting, can guarantee the surface accuracy and the whole quality of die casting.

According to the utility model discloses a some embodiments, the cover half with be provided with on the movable mould and be used for locking the cover half lagging with the mechanical locking structure of movable mould lagging, through mechanical locking structure locking back, can improve the seal of die-casting chamber and then reach the purpose of the pressure when guaranteeing its die-casting.

According to the utility model discloses a some embodiments, mechanical locking structure sets up to the bolt or the screw that are used for locking, can realize the stable connection between cover half race plate and the movable mould race plate on the one hand, provides stable operational environment for the die-casting, and on the other hand can be convenient for the dismouting of mould again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a die-casting mold according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a pouring and draining system of a fixed mold according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a pouring and draining system of a movable mold according to an embodiment of the present invention;

FIG. 4 is a first schematic structural view of a die casting of an embodiment of the invention;

FIG. 5 is a second schematic view of a die casting of an embodiment of the invention;

fig. 6 is a schematic distribution diagram of a slide parting assembly according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating distribution of the set point positions of the thimble according to the embodiment of the present invention;

fig. 8 is a schematic view of the operation principle of the thimble according to the embodiment of the present invention;

reference numerals:

the die casting device comprises a fixed die 100, a sprue 101, a guide sleeve 102, a fixed die sleeve plate 103, a movable die 200, a guide pillar 201, a movable die sleeve plate 202, a push rod plate 203, a cushion block 204, a die casting 300, a punching hole 301, a ground side slide block 302, a first side slide block 303, a top side slide block 304, a second side slide block 305, a set point position 306, a sprue 400, a cross runner 500, an inner runner 600, a punch 700, a cooling pipe 800 and a thimble 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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, a feature defined as "first" or "second" 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 in specific cases for a worker of ordinary skill in the art.

Die casting is a metal casting process and is characterized in that high pressure is applied to molten metal by utilizing an inner cavity of a die, the die is usually processed by using alloy with higher strength, and the process is somewhat similar to injection molding. Most diecastings that can be used for diecasting are iron-free, such as zinc, copper, aluminum, magnesium, lead, tin and lead-tin alloys and their alloys.

According to the difference of die-casting type, need use cold chamber die casting machine or hot chamber die casting machine to carry out die-casting work. Specifically, the hot chamber die casting machine is mainly used for die casting of zinc, tin and lead alloys, but cannot die cast metals with higher melting points, also cannot die cast aluminum, and is difficult to be used for die casting of large die castings; the cold chamber die casting machine is mainly used for die casting aluminum, magnesium, copper and zinc alloy with high aluminum content.

Fig. 4 and 5 show two schematic structural diagrams of a target die casting 300 (magnesium alloy template), and it is obvious that the die casting 300 has a rectangular panel frame structure, and the bottom of the panel (i.e. the bottom surface surrounded by four side arms) is provided with a plurality of reinforcing ribs.

To sum up, the utility model provides a die-casting forming die for magnesium alloy template can be applicable to current cold chamber die casting machine (accomplish the compound die-casting work between cover half 100 and the movable mould 200 through the die casting machine promptly), quick mass production die casting 300 in the short time.

As shown in fig. 1, the utility model provides a die-casting forming die of magnesium alloy template, include:

the fixed die 100 is provided with a detachable insert at one end, an open cavity is arranged at one end of the insert, a sprue 101 communicated with the cavity is arranged at one end of the fixed die 100 opposite to the insert, and a plurality of guide sleeves 102 are uniformly arranged on the fixed die 100;

the movable die 200 is movably arranged at one end, close to the guide sleeve 102, of the fixed die 100 along a die assembly direction (namely, the direction close to the fixed die 100), the movable die 200 is provided with a plurality of guide posts 201 corresponding to the guide sleeve 102, the movable die 200 is provided with an adjustable core corresponding to a die cavity, the four side surfaces of the core are respectively provided with a distance from the die cavity, a die casting cavity is formed between the fixed die 100 and the movable die 200 through the distance, and the shape and the size of the die casting cavity are consistent with those of a target die casting 300;

a mold frame provided with a first mold frame for fixing the fixed mold 100 and a second mold frame for fixing the movable mold 200;

the sliding block parting component is arranged on the die carrier and surrounds and is attached to the side wall of the die casting cavity.

According to the structure, the fixed die 100 and the movable die 200 form a combined type dismounting die, and the fixed die 100 is connected with a fixed die mounting plate of a die casting machine through a first die carrier to realize fixed mounting; the movable die 200 is connected with a movable die base plate of the die casting machine through a second die carrier, so that the movable die 200 can move (namely close to or far away from the fixed die 100) along with the movable die base plate to open and close the die; generally, the fixed mold 100 is a female mold and is provided with a cavity, the movable mold 200 is a male mold and is provided with a movable (adjustable) core, and the movable mold 200 can be controlled to move by a die casting machine or the movable core can be extracted or inserted to complete related die casting work; in the structure, the sliding block parting component can be matched with the fixed die 100 and the movable die 200 to fully realize parting of the die casting 300, namely, when the fixed die 100 and the movable die 200 are closed, a continuous parting surface is formed by utilizing the closed surfaces of the fixed die 100 and the movable die 200, four vertical side walls of the die casting 300 are formed by utilizing the sliding block parting component which surrounds the side wall of the laminating die casting cavity in an extruding mode, under the condition that sealing is ensured, the die casting 300 with good surface precision and small die casting size error can be formed by matching the fixed die 100 and the movable die 200, and therefore the obtained die casting 300 can be put into assembly production without processing or slightly processing, and the industrial production requirement of rapid mass production in a short time is met.

The mold closing direction is described further, that is, the fixed mold 100 and the movable mold 200 are vertically arranged in fig. 1, but the mold closing direction of the fixed mold 100 and the movable mold 200 is not limited to vertical mold closing, and may be left-right mold closing or front-back mold closing, and the specific mold closing manner is determined according to a die casting machine or a specific die casting process.

The utility model provides a die-casting forming die for magnesium alloy template, what adopt is the production technology in a mould cave, so can save partial process flow (for example turning) when guaranteeing the volume production, consequently can improve product quality to a certain extent.

According to some embodiments of the utility model, the core is provided with a plurality of recesses in the strengthening rib of the surperficial correspondence die casting 300 to be used for forming the strengthening rib when die-casting.

According to some embodiments of the utility model, cover half 100 is provided with the draft of subtracting the flesh, and the opening of die cavity is outside to expand 1 promptly to cooperate the die casting machine to carry out drawing of patterns work.

According to some embodiments of the utility model, as shown in fig. 6, the lateral wall that the slider parting subassembly was laminated the die casting chamber according to order all around has set gradually ground side slider 302, day side slider 304, first side slider 303 and second side slider 305, four lateral wall sliders that set up like this laminate four vertical lateral walls of die casting 300 respectively after die casting 300 shaping, and then form four slider die joints, both can be convenient for drawing of patterns loose core on the one hand, on the other hand can improve die casting 300's surface precision and less dimensional error again.

According to some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 3, the die-casting mold further includes:

a casting unit communicating with the cavity through a gate 101 for transferring molten metal;

the cooling pipe groups are uniformly distributed in the die-casting cavity and used for cooling the die-casting piece 300 and maintaining the normal die temperature;

and the overflow component is arranged on the die carrier and is matched with the casting component to store ash.

In consideration of the core pulling (core adjustment) and the movement of the movable mold 200, a corresponding connection mechanism or assembly is further provided between the mold and the die casting machine for cooperation, such as a core pulling mechanism or an ejection rack for controlling the core pulling or core insertion, and a lifting assembly for driving the movable mold 200 to move, wherein the lifting assembly can be provided with a hydraulic telescopic cylinder for driving and can also be driven by a motor for lifting.

According to some embodiments of the present invention, as shown in fig. 1, a movable push rod plate 203 is disposed at the moving end (or the gathering end) of the movable mold 200, and the push rod plate 203 drives the core to move under the action of the lifting assembly.

According to some embodiments of the present invention, as shown in fig. 1, the movable mold 200 is provided with a cushion block 204 having a certain height (or length) at both ends of the push rod plate 203, and the whole height (or length) of the whole movable mold 200 can be increased by increasing the cushion block 204, and the moving stroke of the push rod plate 203 can be increased, so as to satisfy the height and the installation space required for the movable core adjustment.

According to some embodiments of the present invention, as shown in fig. 2 and fig. 3 (the gating system generally includes a casting component, an overflow component, and some further includes a cooling pipe group), the casting component is provided with a sprue 400, a runner 500 and an ingate 600, the sprue 400 is installed in adaptation with the gate 101, the runner 500 is connected with the sprue 400, and is provided with a plurality of connectors along the length direction, the ingate 600 is installed in adaptation on the connector, the end face of the output end of the ingate 600 is attached to the same side wall of the die casting cavity, so that when the molten metal is injected in the die casting cavity for die casting, the side wall of the die casting 300 is formed flatly.

According to some embodiments of the present invention, as shown in fig. 2, the cooling tube assembly is provided with a plurality of cooling tubes 800 on the side wall of the cavity, and it is apparent that the cooling tubes 800 are provided in the fixed mold 100 for cooling the part of the die cast 300 located in the fixed mold 100.

According to some embodiments of the present invention, as shown in fig. 3, the cooling tubes are provided with a plurality of cooling tubes 800 on one end surface of the core, and it is apparent that the cooling tubes 800 are provided in the movable mold 200 for cooling the part of the die cast article 300 located in the movable mold 200.

According to some embodiments of the present invention, the overflow assembly is provided with a plurality of ash boxes at the position where the movable mold 200 is attached to the die casting cavity, so as to collect the overflowed molten metal or ash.

According to some embodiments of the utility model, be provided with a plurality of thimbles 900 of evenly arranging in the die-casting intracavity, and then form corresponding bearing structure at fashioned die casting 300's settlement position 306, as shown in fig. 7 to the die casting 300's of bearing strength big and long service life's die casting 300 is obtained in the formation of die casting 300's structure.

According to some embodiments of the present invention, as shown in fig. 7 and 8, a part of ejector pins 900 (except for ejector pins 900 located at set points 306 on four edges of die casting 300) is provided as columnar ejector pins for improving the supporting strength.

According to the utility model discloses a some embodiments, as shown in FIG. 1, cover half 100 is provided with cover half lagging 103 in the one end of closed movable mould 200, movable mould 200 corresponds cover half lagging 103 and is provided with movable mould lagging 202, cover half lagging 103 and movable mould lagging 202 are closed each other and form seal structure, leakproofness when improving the mould die-casting through seal structure, avoid external environment to the interference of die-casting process, can guarantee the surface accuracy and the size accuracy of die casting 300 through providing a stable operational environment like this.

According to the utility model discloses a some embodiments are provided with the mechanical locking structure who is used for locking cover half lagging 103 and movable mould lagging 202 on cover half 100 and the movable mould 200, through mechanical locking structure with cover half lagging 103 and movable mould lagging 202 after, can improve the seal in die-casting chamber, and then guarantee its die-casting pressure at the during operation, are favorable to the production of die casting 300.

According to the utility model discloses a some embodiments, mechanical locking structure sets up to the bolt or the screw of connecting cover half lagging 103 and movable mould lagging 202 to in realize the stable connection of cover half lagging 103 and movable mould lagging 202, and then guarantee the stability of mould at the during operation.

According to some embodiments of the utility model, mechanical locking structure still can set up to the mechanical lock of establishing separately, set up the lock shell promptly on cover half lagging 103, and the lock core corresponds the setting on movable mould lagging 202, and the lock shell is provided with the opening, and the lock core corresponds and is provided with the back-off that can follow the opening and stretch out, and at the in-process of compound die, the back-off is automatic to be slided into the opening and is realized the back-off, when needing the die sinking, press the back-off the opening can, also can realize the mechanical locking effect of certain degree like this.

According to some embodiments of the present invention, as shown in fig. 4 and 5, in consideration of the formation of the punched hole 301 on the die casting 300, in the die casting, a retractable punch 700 is further required to be correspondingly arranged at the position where the punched hole 301 is set, as shown in fig. 2 or 3, so as to form the punched hole 301 required by the structure.

In summary, some parameters of the die casting machine are also described herein.

Specifically, considering that the compaction pressure is 60 mpa and the expansion force is 3800 tons, the die casting machine herein is selected to be a die casting machine of 3500 tons; further, the diameter of the punch 700 is selected to be 140 mm in the whole process budget, the punching speed is 0.2 m/s slower and 7 m/s faster, the gate speed is 65 m/s, and the casting thickness is preferably 2.3 m.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A die-casting forming die for a magnesium alloy template is characterized by comprising:

the fixed die comprises a fixed die (100), wherein a detachable insert is arranged at one end of the fixed die (100), an open cavity is formed in one end of the insert, a sprue (101) communicated with the cavity is formed in one end, opposite to the insert, of the fixed die (100), and a plurality of guide sleeves (102) are uniformly arranged on the fixed die (100);

the movable die (200) is movably arranged at one end, close to the guide sleeve (102), of the fixed die (100), the movable die (200) is provided with a plurality of guide posts (201) corresponding to the guide sleeve (102), the movable die (200) is provided with an adjustable core corresponding to the cavity, intervals are arranged between four side surfaces of the core and the cavity, a die casting cavity is formed between the fixed die (100) and the movable die (200) through the intervals, and the shape and the size of the die casting cavity are consistent with those of a target die casting (300);

the die carrier is provided with a first die carrier used for fixing the fixed die (100) and a second die carrier used for fixing the movable die (200);

and the sliding block parting component is arranged on the die frame, surrounds and is attached to the side wall of the die casting cavity.

2. The die-casting forming die for the magnesium alloy template according to claim 1, wherein the slide parting assembly is provided with a ground side slide (302), a top side slide (304), a first side slide (303) and a second side slide (305) in sequence from the front, back, left and right of the die-casting cavity.

3. The die-casting molding die for a magnesium alloy template according to claim 1, further comprising:

a casting component which is communicated with the cavity through the sprue (101) and is used for conveying molten metal;

the cooling pipe groups are uniformly distributed in the die casting cavity and used for cooling the die casting (300) and maintaining normal die temperature;

and the overflow discharge assembly is arranged on the die carrier and is matched with the casting assembly to store ash.

4. The die-casting forming die for the magnesium alloy template according to claim 3, wherein the casting assembly is provided with a sprue (400), a runner (500) and an ingate (600), the sprue (400) is installed in a matched mode with the sprue (101), the runner (500) is connected with the sprue (400) and is provided with a plurality of connecting ports along the length direction, the ingate (600) is installed on the connecting ports in a matched mode, and the end face of the output end of the ingate (600) is attached to the same side wall of the die-casting cavity.

5. The die-casting forming die for the magnesium alloy template according to claim 3, wherein the cooling tube group is provided with a plurality of cooling tubes (800) on the side wall of the cavity.

6. The die-casting molding die for a magnesium alloy template according to claim 5, wherein the cooling tube group is provided with a plurality of cooling tubes (800) on one end surface of the core.

7. The die-casting forming die for the magnesium alloy template as recited in claim 3, wherein the overflow assembly is provided with a plurality of ash boxes at positions where the movable die (200) is attached to the die-casting cavity, for collecting overflowing molten metal or ash.

8. The die-casting forming die for the magnesium alloy template according to any one of claims 1 to 7, wherein a plurality of uniformly arranged ejector pins (900) are arranged in the die-casting cavity.

9. The die-casting forming die for the magnesium alloy die plate according to any one of claims 1 to 7, wherein the fixed die (100) is provided with a fixed die sleeve plate (103) at one end closing the movable die (200), the movable die (200) is provided with a movable die sleeve plate (202) corresponding to the fixed die sleeve plate (103), and the fixed die sleeve plate (103) and the movable die sleeve plate (202) are mutually closed to form a sealing structure.

10. The die-casting molding die for the magnesium alloy die plate according to claim 9, characterized in that the fixed die (100) and the movable die (200) are provided with a mechanical locking structure for locking the fixed die sleeve plate (103) and the movable die sleeve plate (202).

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