Die casting mold and die casting device

By designing a die-casting mold including moving mold kernel and fixed mold kernel, combined with a specific shunt cone and gate sleeve structure, the problem of gate sleeve wear and strain when the material handle is pulled out in the prior art is solved, and the mold is extended The service life of the injection head avoids the situation where the injection head is stuck.

CN108188377BActive Publication Date: 2025-02-07NINGBO FREE TRADE ZONE HAITIAN ZHISHENG DIE CASTING EQUIPMENT CO LTD
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Patent Information

Application Number
CN201810217640.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2018-03-15
Publication Date
2025-02-07
Estimated Expiration
2038-03-15

AI Technical Summary

Technical Problem

Existing die-casting molds are prone to wear and strain the gate sleeve when pulling out the shank, resulting in short service life and may cause the injection head to get stuck.

Method used

A die-casting mold including male template and female template is designed. The moving mold kernel is provided on the male template, and the fixed mold kernel is provided on the female template. The shunt cone is connected to the gate sleeve. The grooves on the shunt cone and the gate sleeve are connected. The press jet channel is connected, and the stroke of the press jet head is greater than the length of the press jet channel to reduce friction and wear of the material handle to the gate sleeve.

Benefits of technology

It extends the service life of the gate sleeve, reduces wear and strain on the gate sleeve when the material handle is pulled out, avoids the injection head stuck, and ensures the smooth removal of the molded product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention provides a die-casting mold and a die-casting device, which relate to the field of mold forming technology. The die-casting mold includes a male mold plate and a female mold plate that match each other, a movable mold core is provided on the male mold plate, and a fixed mold core is provided on the female mold plate. When the male mold plate and the female mold plate are molded together, the movable mold core and the fixed mold core form a cavity, a gate sleeve is provided on the female mold plate, and a diverter cone is provided on the male mold plate. The diverter cone is provided with grooves and diverter channels that are interconnected. When the male mold plate and the female mold plate are molded together, the diverter cone is located outside the gate sleeve, and the groove of the diverter cone is connected to the injection channel of the gate sleeve, and the diverter channel of the diverter cone is connected to the cavity; the die-casting device includes a die-casting machine and the above-mentioned die-casting mold, and the injection head of the die-casting machine is plugged in with the gate sleeve, and the stroke of the injection head in the injection channel is not less than the length of the injection channel. The formation and separation of the material handle in the die-casting mold have no effect on the gate sleeve, the gate sleeve is less likely to be strained, the gate sleeve has a long service life, and the injection head is less likely to get stuck in the gate sleeve.
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Description

Technical Field

[0001] The invention relates to the technical field of die forming, and in particular to a die casting die and a die casting device. Background Art

[0002] In the field of casting processing, die casting is a precision casting method that uses high pressure to press molten metal into a mold cavity to form castings of various shapes. The mold is usually made of an alloy with a higher melting point.

[0003] Existing die-casting molds generally include a gate sleeve and a diverter cone, wherein the gate sleeve is connected to the die-casting machine, and the diverter cone is used to divert the molten metal in the gate sleeve to the cavity of the mold. The gate sleeve and the diverter cone are connected at one end with a trumpet-shaped expansion, and the diverter cone extends into the gate sleeve, and the diverter channel on the diverter cone is connected with the injection channel in the gate sleeve; during the die-casting process, the molten metal is pressed into the diverter cone by the injection head of the die-casting machine in the injection channel of the gate sleeve. After the injection is completed, some molten metal will remain in the gate sleeve to form a material handle. After the metal is formed, the material handle is formed integrally with the molded product. When the molded product is taken out, the material handle is pulled out of the gate sleeve at the same time.

[0004] The existing die-casting molds are generally used for die-casting aluminum alloy solution. The thermal expansion coefficient of aluminum alloy is 24×10 -6 / ℃, the molten aluminum alloy is cooled and formed in the sprue bushing to form a material handle, which has a large volume reduction. The covering force of the sprue bushing on the material handle is small. When the material handle is pulled out, the friction between the material handle and the inner wall of the sprue bushing is small, and the hardness of the aluminum alloy is small (HB85), so the wear on the sprue bushing is small. When the die-casting material is amorphous alloy material, the thermal expansion coefficient of the amorphous alloy material is small, about 9.2×10 -6 / ℃, after the amorphous alloy solution in the sprue sleeve cools and solidifies, the volume change is small, the sprue sleeve has a large covering force on the material handle, the friction between the material handle and the inner wall of the sprue sleeve is large, and the amorphous alloy material has a large hardness. When the material handle is pulled out, the sprue sleeve is easily worn and torn. The service life of the sprue sleeve is short, and it is easy to cause the injection head to get stuck in the sprue sleeve during the die-casting process. Summary of the invention

[0005] The purpose of the present invention is to provide a die-casting mold and a die-casting device to solve the technical problems in the prior art that the gate sleeve is easily worn and torn when the material handle is pulled out of the die-casting mold, the gate sleeve has a short service life, and the injection head is easily stuck in the gate sleeve during the die-casting process.

[0006] The die-casting mold provided by the present invention comprises a male mold plate and a female mold plate that match each other, wherein the male mold plate is provided with a movable mold core, and the female mold plate is provided with a fixed mold core. When the male mold plate and the female mold plate are molded together, the movable mold core and the fixed mold core form a cavity; the female mold plate is provided with a gate sleeve, and the male mold plate is provided with a diverter cone. The diverter cone is provided with grooves and diverter channels that are interconnected. When the male mold plate and the female mold plate are molded together, the diverter cone is located outside the gate sleeve, the groove of the diverter cone is connected to the injection channel of the gate sleeve, and the diverter channel of the diverter cone is connected to the cavity.

[0007] Furthermore, the side walls of the groove gradually incline outwards from the groove bottom to the groove opening.

[0008] Furthermore, the bottom of the groove protrudes upward to form a convex block, and the convex block is connected to the bottom of the groove by an arc transition.

[0009] Furthermore, the injection channel of the gate sleeve is a straight-cylindrical injection channel.

[0010] Furthermore, the groove is a circular groove, and when the male mold plate and the female mold plate are molded together, the groove matches the outlet end of the injection channel.

[0011] Furthermore, when the male mold plate and the female mold plate are molded together, a gap is left between the connecting end of the diverter cone and the connecting end of the gate sleeve.

[0012] Furthermore, the gate sleeve includes an interface part and an injection part, the interface part is provided with an interface, the injection runner is arranged inside the injection part and is connected with the interface, and the injection part is provided with a first temperature control device for cooling the injection runner.

[0013] Furthermore, the injection part includes an inner sleeve and a temperature control sleeve, the temperature control sleeve sealing sleeve is arranged on the outer wall of the inner sleeve, and the injection flow channel is arranged inside the inner sleeve; the first temperature control device includes a temperature control groove for circulating the temperature control liquid, the temperature control groove is opened on the outer wall of the inner sleeve, and the outer wall of the temperature control sleeve is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected to the liquid inlet end of the temperature control groove, and the liquid outlet is connected to the liquid outlet end of the temperature control groove.

[0014] Furthermore, a second temperature control device for regulating the temperature of the molten metal in the groove and the diversion channel is provided in the diversion cone.

[0015] Another object of the present invention is to provide a die-casting device, including a die-casting machine and the above-mentioned die-casting mold, the injection head of the die-casting machine is plugged into the gate sleeve, the stroke of the injection head in the injection channel is not less than the length of the injection channel, and the die-casting device has all the technical effects of the above-mentioned die-casting mold.

[0016] The beneficial effects of the die-casting mold and the die-casting device of the present invention are:

[0017] The present invention provides a die-casting mold and a die-casting device, wherein the die-casting mold includes a male mold plate and a female mold plate that can match the mold closing and mold separation. After the male mold plate and the female mold plate are closed, the movable mold core on the male mold plate and the fixed mold core on the female mold plate jointly form a cavity for product molding, and also include a gate sleeve for accommodating molten metal, and a diverter cone for diverting the molten metal in the gate sleeve into the cavity, and the diverter cone is provided with a groove and a diverter channel connected to the injection channel of the gate sleeve; the die-casting device includes a die-casting machine for injecting molten metal into the gate sleeve and pressing the molten metal into the diverter cone, and the injection head in the die-casting machine is inserted into the gate sleeve, and its stroke is greater than the length of the injection channel.

[0018] When in use, the male mold plate and the female mold plate are matched and molded, the movable mold core and the fixed mold core form a mold cavity, the diverter cone is connected to the gate sleeve, and there is no overlapping part between the diverter cone and the gate sleeve, the injection nozzle of the die-casting machine is connected to the gate on the gate sleeve, and the die-casting machine The shot head enters from the interface of the interface part and is inserted into the end of the die-casting runner to seal it. At the same time, the die-casting machine injects the molten metal from the gate into the die-casting runner of the die-casting part through the injection nozzle. Subsequently, the shot head presses the molten metal into the diverter cone at a high speed in the die-casting runner from the outside to the inside and enters the mold cavity. The stroke of the shot head in the die-casting runner is not less than the length of the die-casting runner, that is, the shot head finally reaches the outlet end of the die-casting runner or extends out of the outlet end, and presses all the molten metal out of the die-casting runner. The molten metal passes through the grooves and the diverter channel on the diverter cone to reach the mold cavity for cooling and molding. After the molding is completed, the male mold plate and the female mold plate are opened, and the movable mold core and The fixed mold core is then separated, and the molded product in the cavity is taken out. Part of the molten metal is cooled and solidified into a material handle in the groove and the diverter channel of the diverter cone, and the material handle is taken out together with the molded product. The formation and separation of the material handle have no effect on the gate sleeve. During the mold opening process, the molded product can be taken out smoothly with less strain. The corresponding material handle will not cause wear or strain to the gate sleeve when it is taken out, thereby extending the service life of the gate sleeve; further, the inner wall of the gate sleeve is not subject to wear and can be matched and plugged with the injection head, which also reduces the molten metal in the diverter cone after the injection is completed. Backflow into the gap between the injection head and the gate sleeve when the product is pressurized reduces the occurrence of the injection head being stuck in the gate sleeve. Accordingly, the probability of wear on the gate sleeve is further reduced, and the service life of the gate sleeve is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a die-casting mold provided in an embodiment of the present invention;

[0021] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure along the A-A direction;

[0022] Figure 3 A schematic diagram of the connection structure of a sprue sleeve, a diverter cone, a movable mold core and a fixed mold core in a die-casting mold provided by an embodiment of the present invention;

[0023] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure of the middle gate bushing;

[0024] Figure 5 A schematic diagram of the three-dimensional structure of a diverter cone in a die-casting mold provided in an embodiment of the present invention.

[0025] Icons: 1-male mold plate; 2-female mold plate; 3-movable mold core; 4-fixed mold core; 5-gate sleeve; 6-diverter cone; 7-injection head; 51-interface; 511-interface; 52-injection part; 521-inner sleeve; 522-temperature control sleeve; 523-temperature control groove; 524-liquid inlet; 525-liquid outlet; 526-injection channel; 61-groove; 62-diverter channel; 63-bump. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] This embodiment provides a die-casting mold, such as Figure 1 and Figure 2 As shown, it includes a male mold plate 1 and a female mold plate 2 that match each other, the male mold plate 1 is provided with a movable mold core 3, and the female mold plate 2 is provided with a fixed mold core 4. When the male mold plate 1 and the female mold plate 2 are molded together, the movable mold core 3 and the fixed mold core 4 form a cavity; a gate sleeve 5 is provided on the female mold plate 2, and a diverter cone 6 is provided on the male mold plate 1. The diverter cone 6 is provided with a groove 61 and a diverter channel 62 that are interconnected. When the male mold plate 1 and the female mold plate 2 are molded together, the diverter cone 6 is located outside the gate sleeve 5, the groove 61 of the diverter cone 6 is connected to the injection channel 526 of the gate sleeve 5, and the diverter channel 62 of the diverter cone 6 is connected to the cavity.

[0030] This embodiment also provides a die-casting device, including a die-casting machine and the above-mentioned die-casting mold. The die-casting machine's injection head 7 is plugged into the gate sleeve 5, and the stroke of the injection head 7 in the injection channel 526 is not less than the length of the injection channel 526.

[0031] The die-casting mold and die-casting device provided in this embodiment, wherein the die-casting mold includes a male mold plate 1 and a female mold plate 2 that can match the mold closing and splitting. After the male mold plate 1 and the female mold plate 2 are closed, the movable mold core 3 on the male mold plate 1 and the fixed mold core 4 on the female mold plate 2 jointly form a cavity for product molding, and also include a gate sleeve 5 for accommodating molten metal, and a diverter cone 6 for diverting the molten metal in the gate sleeve 5 into the cavity, and the diverter cone 6 is provided with a groove 61 and a diverter channel 62 connected to the injection channel 526 of the gate sleeve 5; the die-casting device includes a die-casting machine for injecting molten metal into the gate sleeve 5 and pressing the molten metal into the diverter cone 6, and the injection head 7 in the die-casting machine is inserted into the gate sleeve 5, and its stroke is greater than the length of the injection channel 526.

[0032] When in use, the male mold plate 1 and the female mold plate 2 are matched and molded, the movable mold core 3 and the fixed mold core 4 form a cavity, the diverter cone 6 is connected to the gate sleeve 5, and the diverter cone 6 and the gate sleeve 5 have no overlapping part, the injection nozzle of the die-casting machine is connected to the gate on the gate sleeve 5, and the injection head 7 of the die-casting machine enters from the interface 511 of the interface part 51 and is inserted into the end of the injection channel 526 to seal it. At the same time, the die-casting machine injects the molten metal from the gate into the injection channel 526 of the injection part 52 through the injection nozzle. Subsequently, the injection head 7 presses the molten metal into the diverter cone 6 at a high speed in the injection channel 526 from the outside to the inside and enters the cavity. The stroke of the injection head 7 in the injection channel 526 is not less than the length of the injection channel 526, that is, the injection head 7 finally reaches the outlet end of the injection channel 526 or extends out of the outlet end, and all the molten metal is pressed out of the injection channel 526. The molten metal passes through the diverter cone The grooves 61 and the runners 62 on the shunt cone 6 arrive at the cavity for cooling and molding. After molding, the male mold plate 1 and the female mold plate 2 are opened, and the movable mold core 3 and the fixed mold core 4 are separated to take out the molded product in the cavity. Part of the molten metal is cooled and solidified into a material handle in the grooves 61 and the runners 62 of the diverter cone 6, and the material handle is taken out together with the molded product. The formation and separation of the material handle have no effect on the gate sleeve 5. During the mold opening process, the molded product can be taken out smoothly with less damage. The corresponding material handle will not cause wear or damage to the gate sleeve 5 when it is taken out, thereby extending the service life of the gate sleeve 5; further, the inner wall of the gate sleeve 5 is not subject to wear and can be matched and plugged with the injection head 7, which also reduces the molten metal in the diverter cone 6 flowing back into the gap between the injection head 7 and the gate sleeve 5 when the product is pressurized after the injection, causing the injection head 7 to be stuck in the gate sleeve 5. Accordingly, the probability of wear on the gate sleeve 5 is further reduced, and the service life of the gate sleeve 5 is extended.

[0033] In this embodiment, Figure 2 and Figure 5As shown, the side wall of the groove 61 gradually tilts outward from the groove bottom to the groove opening. The side wall of the groove 61 tilts outward from the groove bottom to the groove opening to form a flared groove, which increases the demoulding slope of the material handle. On the one hand, the molten metal in the injection flow channel 526 of the gate sleeve 5 is pressed into the groove 61 of the diverter cone 6 more smoothly; on the other hand, when the molten metal solidifies in the groove 61 to form a material handle, it is easier and more convenient to take the material handle out of the flared groove than in a straight groove. In addition, it can also reduce the wear of the diverter cone 6 when taking out the material handle.

[0034] In this embodiment, Figure 5 As shown, the bottom of the groove 61 may be raised upward to form a bump 63, and the bump 63 is connected to the bottom of the groove 61 by a circular arc transition. The molten metal forms a material handle in the groove 61, and the shape of the material handle matches the shape of the groove 61. The arrangement of the bump 63 at the bottom of the groove 61 can reduce the volume of the material handle in the groove 61, reduce the embedding degree of the material handle and the groove 61, and improve the convenience of taking the material handle out of the groove 61.

[0035] Specifically, in this embodiment, Figure 2 and Figure 4 As shown, the injection flow channel 526 of the sprue bushing 5 can be a straight-cylindrical injection flow channel. The injection head 7 of the die-casting machine is matched and inserted into the injection flow channel 526, and is sealed with the inner wall of the injection flow channel 526. The injection flow channel 526 is a straight-cylindrical type. When the injection head 7 squeezes the molten metal in the injection flow channel 526 from the outside to the inside, it can always be sealed with the inner wall of the injection flow channel 526, thereby ensuring that all molten metal is pressed out of the sprue bushing 5, reducing the molten metal residue in the injection flow channel 526, which affects the normal movement of the injection head 7 or causes wear to the sprue bushing 5, thereby ensuring the normal use of the sprue bushing 5 and extending its service life.

[0036] In this embodiment, Figure 5 As shown, the groove 61 can be a circular groove. When the male mold plate 1 and the female mold plate 2 are molded together, the groove 61 matches the outlet end of the injection channel 526; a gap is left between the connecting end of the diverter cone 6 and the connecting end of the gate sleeve 5. After the injection is completed, the external pressure is increased in the injection channel 526, and the molten metal in the groove 61 is pressured to flow back to the gap between the gate sleeve 5 and the diverter cone 6, thereby reducing the occurrence of molten metal returning to the gap between the gate sleeve 5 and the injection head 7, further reducing the wear of the material handle on the gate sleeve 5, and extending the service life of the gate sleeve 5.

[0037] Specifically, in this embodiment, Figure 3 and Figure 4As shown, the sprue sleeve 5 may include an interface portion 51 and a shot portion 52, the interface portion 51 is provided with an interface 511, a shot channel 526 is provided inside the shot portion 52 and is connected with the interface 511, and a first temperature control device for cooling the shot channel 526 is provided inside the shot portion 52. After the shot head 7 is shot, the molten metal in the sprue sleeve 5 is pressed into the diverter cone 6 and the cavity, the first temperature control device is turned on to cool the shot portion 52, and the molten metal in the diverter cone 6 can be quickly solidified when it flows back to the sprue sleeve 5, thereby further reducing the occurrence of the situation where the molten metal in the diverter cone 6 returns to the sprue sleeve 5 after the die casting is completed, causing the shot head 7 to be stuck in the sprue sleeve 5, and correspondingly extending the service life of the sprue sleeve 5.

[0038] Specifically, in this embodiment, Figure 4 As shown, the injection portion 52 includes an inner sleeve 521 and a temperature control sleeve 522, the temperature control sleeve 522 sealing sleeve is arranged on the outer wall of the inner sleeve 521, and the injection channel 526 is arranged inside the inner sleeve 521; the first temperature control device includes a temperature control groove 523 for circulating the temperature control liquid, the temperature control groove 523 is opened on the outer wall of the inner sleeve 521, and the outer wall of the temperature control sleeve 522 is provided with a liquid inlet 524 and a liquid outlet 525, the liquid inlet 524 is connected to the liquid inlet end of the temperature control groove 523, and the liquid outlet 525 is connected to the liquid outlet end of the temperature control groove 523. The inner wall of the temperature control sleeve 522 is sealed with the outer wall of the inner sleeve 521, and a channel for the circulation of temperature control liquid is formed between the temperature control groove 523 opened on the outer wall of the inner sleeve 521 and the inner wall of the temperature control sleeve 522. When the die-casting machine presses the molten metal into the diverter cone 6 and the cavity, low-temperature temperature control liquid is introduced into the liquid inlet 524 on the outer wall of the temperature control sleeve 522. After the temperature control liquid flows through the temperature control groove 523, it flows out from the liquid outlet 525 on the outer wall of the temperature control sleeve 522. In the process of the temperature control liquid flowing through the temperature control groove 523, the side wall of the inner sleeve 521 is cooled, thereby realizing the temperature regulation of the gate sleeve 5.

[0039] In addition, the temperature control groove 523 can also be set on the inner wall of the temperature control sleeve 522. Its working process is similar to the above structure and will not be repeated here. Specifically, according to the required temperature range, the temperature control liquid can be selected from suitable oil.

[0040] In this embodiment, a second temperature control device for regulating the temperature of the molten metal in the groove 61 and the runner 62 may be provided in the diverter cone 6. In order for the molten metal to be pushed as evenly as possible in the cavity as a whole, a corresponding runner 62 is provided on the diverter cone 6 according to the structure of the cavity, and the temperature of the second temperature control device is set according to the optimal pouring temperature of the molten metal. When the molten metal flows into the groove 61 and the runner 62 of the diverter cone 6 from the injection flow channel 526 of the sprue bushing 5 after the temperature control of the sprue bushing 5, the second temperature control device further regulates the temperature of the molten metal, further ensuring the control of the pouring temperature of the molten metal flowing into the cavity; in addition, the second temperature control device heats the molten metal in the groove 61 and the runner 62 of the diverter cone 6 to improve the fluidity of the molten metal during pressurization, which helps to transmit the pressure and improve the density of the molded product.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A die-casting mold, characterized in that: It comprises a male mold plate (1) and a female mold plate (2) that match each other, the male mold plate (1) is provided with a movable mold core (3), the female mold plate (2) is provided with a fixed mold core (4), and when the male mold plate (1) and the female mold plate (2) are molded together, the movable mold core (3) and the fixed mold core (4) form a mold cavity; The female mold plate (2) is provided with a sprue sleeve (5), the male mold plate (1) is provided with a diverter cone (6), the diverter cone (6) is provided with a groove (61) and a diverter channel (62) which are interconnected, when the male mold plate (1) and the female mold plate (2) are molded together, the diverter cone (6) is located outside the sprue sleeve (5), the groove (61) of the diverter cone (6) is connected to the injection channel (526) of the sprue sleeve (5), and the diverter channel (62) of the diverter cone (6) is connected to the mold cavity; The bottom of the groove (61) protrudes upward to form a convex block (63), and the convex block (63) and the bottom of the groove (61) are connected in a circular arc transition; The injection channel (526) of the gate sleeve (5) is a straight-cylindrical injection channel; When the male mold plate (1) and the female mold plate (2) are molded together, a gap is left between the connecting end of the diverter cone (6) and the connecting end of the sprue sleeve (5); The injection head (7) of the die-casting machine is plugged into the gate sleeve (5), and the stroke of the injection head (7) in the injection channel (526) is not less than the length of the injection channel (526).

2. The die-casting mold according to claim 1, characterized in that: The side wall of the groove (61) gradually slopes outwards from the groove bottom to the groove opening.

3. The die-casting mold according to claim 1, characterized in that: The groove (61) is a circular groove, and when the male mold plate (1) and the female mold plate (2) are molded together, the groove (61) matches the outlet end of the injection channel (526).

4. The die-casting mold according to claim 1 or 2, characterized in that: The sprue sleeve (5) comprises an interface portion (51) and an injection portion (52); the interface portion (51) is provided with an interface (511); the injection channel (526) is provided inside the injection portion (52) and is communicated with the interface (511); and the injection portion (52) is provided with a first temperature control device for cooling the injection channel (526).

5. The die-casting mold according to claim 4, characterized in that: The injection portion (52) comprises an inner sleeve (521) and a temperature control sleeve (522), the temperature control sleeve (522) sealing sleeve is arranged on the outer wall of the inner sleeve (521), and the injection flow channel (526) is arranged inside the inner sleeve (521); The first temperature control device comprises a temperature control groove (523) for circulating a temperature control liquid, the temperature control groove (523) being arranged on the outer wall of the inner sleeve (521), and a liquid inlet (524) and a liquid outlet (525) being arranged on the outer wall of the temperature control sleeve (522), the liquid inlet (524) being communicated with the liquid inlet end of the temperature control groove (523), and the liquid outlet (525) being communicated with the liquid outlet end of the temperature control groove (523).

6. The die-casting mold according to claim 4, characterized in that: A second temperature control device for regulating the temperature of the molten metal in the groove (61) and the diverter channel (62) is provided in the diverter cone (6).

7. A die casting device, characterized in that: The invention comprises a die-casting machine and the die-casting mold according to any one of claims 1 to 6.

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