CN213288625U

CN213288625U - Waste material taking-out mechanism of die casting machine

Info

Publication number: CN213288625U
Application number: CN202021570866.3U
Authority: CN
Inventors: 黄庆海
Original assignee: Zhongshan Shimi Intelligent Technology Co ltd
Current assignee: Zhongshan Shimi Intelligent Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-28
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a waste material withdrawing mechanism of die casting machine, include: the machine body, a movable die, a fixed die, a middle die opening mechanism, a material ejecting mechanism and a manipulator. A movable mould cavity is arranged on the movable mould; a pouring channel is formed in the end face, close to the movable die, of the fixed die; the middle die is movably arranged between the fixed die and the movable die and provided with an injection hole; the middle die can be matched with the fixed die, and the pouring channel can be communicated with the injection hole; the movable mould can be matched with the middle mould, and the injection hole can be communicated with the movable mould cavity; the demolding direction of the injection hole is opposite to the mold opening direction of the movable mold; the middle die opening mechanism is used for separating a middle die from the fixed die; the ejection mechanism is used for ejecting the waste in the pouring channel; the manipulator is used for taking out the waste ejected from the pouring channel. The utility model provides a waste material take-out mechanism of die casting machine can realize that waste material and off-the-shelf autosegregation and the automation of waste material take out, the cost of using manpower sparingly.

Description

Waste material taking-out mechanism of die casting machine

Technical Field

The utility model belongs to the technical field of the die casting machine and specifically relates to a waste material take-out mechanism of die casting machine is related to.

Background

The die casting machine is a machine for processing a workpiece through pressure forging and comprises a forming die, an injection device and a finished product ejection mechanism. The forming die comprises a fixed die and a movable die plate, the movable die is generally movably arranged on the machine body of the die casting machine, and a plurality of movable die cavities are generally arranged on the movable die; the cover half is generally fixed to be set up in the fuselage of die casting machine, is equipped with sprue hole and pouring channel on the cover half, and pouring channel generally sets up on one side plane of cover half, and the sprue hole communicates in pouring channel. The fixed die and the movable die plate are matched to form a plurality of molding cavities, and the molding cavities can be communicated with the pouring channel. And the injection device injects liquid metal into the molding cavity through the pouring hole and the pouring channel, then performs pressure maintaining and cooling to shape the liquid metal, and finally opens the die and ejects the workpiece through a finished product ejection mechanism to complete a production cycle. The product ejection mechanism is generally disposed on the movable platen. After the mold is opened, a finished product generally depends on the wall of the cavity of the movable mold, and meanwhile, the finished product brings out the waste in the pouring channel together, so that the finished product and the waste are separated manually, and the labor cost is high.

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 waste material withdrawing mechanism of die casting machine can realize that waste material and off-the-shelf autosegregation and the automation of waste material take out, the cost of using manpower sparingly.

According to the utility model discloses waste material take-out mechanism includes: a body; the fixed die is arranged on the machine body, and a casting channel is formed in the end face of one side of the fixed die; the movable die is movably arranged on one side of the fixed die, which is provided with the pouring channel, and a movable die cavity is arranged on the movable die; the middle die is movably arranged between the fixed die and the middle die, and is provided with an injection hole; the middle die can be matched with the fixed die, and the pouring channel can be communicated with the injection hole; the movable mould can be matched with the middle mould, and the injection hole can be communicated with the movable mould cavity; the demolding direction of the injection hole is opposite to the mold opening direction of the movable mold; the middle die opening mechanism is arranged on the machine body and used for separating the middle die from the fixed die; the ejection mechanism is arranged on the machine body and is used for ejecting the waste in the pouring channel; and the manipulator is arranged on the machine body and is used for taking out the waste ejected out of the pouring channel.

According to the utility model discloses embodiment, following beneficial effect has at least: the movable die moves in the direction far away from the middle die, the movable die is separated from the middle die, and a finished product is attached to the cavity wall of the cavity of the movable die and moves along with the movable die; the demolding direction of the injection hole is opposite to the mold opening direction of the movable mold, so that waste materials in the injection hole can be reserved in the injection hole. Then, the middle die opening mechanism separates the middle die from the fixed die, waste materials in the pouring channel can adhere to the channel wall of the pouring channel, and the waste materials in the injection holes are connected with the waste materials in the pouring channel; when the middle mold is separated from the fixed mold, the mold opening direction of the middle mold is the same as the mold opening direction of the movable mold, namely the mold opening direction of the middle mold is opposite to the mold releasing direction of the injection hole, so that waste materials in the injection hole can be taken out of the injection hole by the waste materials in the pouring channel; the ejection mechanism ejects the waste in the pouring channel out of the pouring channel, and the manipulator takes out the waste ejected out of the pouring channel so as to realize automatic separation and taking out of the waste. The automatic separation of waste material and finished product and the automation of waste material are taken out can be realized to aforementioned structure, the cost of using manpower sparingly.

According to some embodiments of the present invention, the fixed mold is provided with a material ejecting hole, and the material ejecting hole is communicated with the pouring channel; the liftout mechanism includes: a driving device and a thimble; the driving device is arranged on one side, away from the middle die, of the fixed die and is used for driving the ejector pins to move; the ejector pins can pass through the ejector holes and eject the waste out of the pouring channel.

According to some embodiments of the utility model, the thimble activity set up in the liftout hole, the thimble adaptation in the liftout hole.

According to some embodiments of the utility model, the liftout hole with the thimble is a plurality ofly, the thimble with the liftout hole one-to-one.

According to the utility model discloses a some embodiments, liftout mechanism still includes: the first supporting plate is movably arranged on one side, away from the middle die, of the fixed die and is used for arranging a plurality of thimbles; the driving device is used for driving the first supporting plate to move so as to realize the movement of the thimble.

According to the utility model discloses a some embodiments, liftout mechanism still includes: one end of each guide rod is connected to one side, away from the middle die, of the fixed die, and the other end of each guide rod is in transmission connection with the driving device; the first supporting plate is provided with at least two guide holes, the guide holes correspond to the guide rods one to one, and the guide rods are sleeved on the guide holes.

According to some embodiments of the present invention, the fixed mold is provided with a pouring hole, the pouring hole communicating with the pouring channel; the middle mold is provided with a plurality of injection holes, and the injection holes are arranged on two sides of the pouring hole; the fixed die is provided with two groups of material ejecting holes, the two groups of material ejecting holes are respectively arranged on two sides of the pouring hole, and each group of material ejecting holes comprises at least one material ejecting hole; the liftout mechanism is two, two the liftout mechanism set up in the cover half deviates from one side of well mould, and two the liftout mechanism arrange in the both sides of pouring hole.

According to some embodiments of the present invention, the fixed mold is provided with a pouring hole, the pouring hole communicating with the pouring channel; well mould die sinking mechanism includes: at least two push rods and two power devices; the push rods are respectively arranged at two sides of the pouring hole; the power devices are arranged on one side, away from the middle die, of the fixed die, the two power devices are respectively arranged on two sides of the pouring hole, and the power devices are used for driving the push rod to move; one end of the push rod is connected with the power device, and the other end of the push rod can prop against the middle die, so that the middle die and the fixed die are separated.

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 an ejection mechanism of a die casting machine according to an embodiment of the present invention;

FIG. 2 is an exploded view of the ejector mechanism of the die casting machine of FIG. 1;

reference numerals: the mold comprises a movable mold 100, a movable mold cavity 110, a fixed mold 200, a pouring channel 210, a material ejecting hole 220, a pouring hole 230, a middle mold 300, an injection hole 310, a middle mold opening mechanism 400, a material ejecting mechanism 500, a driving device 510, a thimble 520, a first supporting plate 530, a guide rod 540, a manipulator 600, a first guide rod, a second guide,

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 should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning is one or more, the meaning of a plurality of means is one or more, and the meaning of more than, less than, exceeding, etc. is understood as not including the number, and the meaning of more than, less than, or the like is understood as including the number. If any description to the second and the first is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.

The scrap take-out mechanism of the die casting machine according to the embodiment of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1 and fig. 2, the scrap removing mechanism of the die casting machine according to the embodiment of the present invention includes: a body; the moving die 100, the moving die 100 is movably arranged on the machine body, and a moving die cavity 110 is arranged on the moving die 100; the fixed die 200 is arranged on the machine body, and a pouring channel 210 is formed in the end face, close to the movable die 100, of the fixed die 200; the middle mold 300, the middle mold 300 is movably arranged between the fixed mold 200 and the middle mold 300, and the middle mold 300 is provided with an injection hole 310; the middle mold 300 can be matched with the fixed mold 200, and the pouring channel 210 can be communicated with the injection hole 310; the movable mold 100 can be assembled with the middle mold 300, and the injection hole 310 can be communicated with the movable mold cavity 110; the demoulding direction of the injection hole 310 is opposite to the mould opening direction of the movable mould 100; the middle mold opening mechanism 400, the middle mold opening mechanism 400 is arranged on the machine body, and the middle mold opening mechanism 400 is used for separating the middle mold 300 from the fixed mold 200; the ejection mechanism 500, the ejection mechanism 500 is arranged on the machine body, and the ejection mechanism 500 is used for ejecting the waste in the pouring channel 210; and a robot 600, the robot 600 being provided to the body, the robot 600 being configured to take out the scrap ejected from the pouring channel 210.

When the mold works, the middle mold 300 and the fixed mold 200 are assembled; the movable mold 100 is provided with a movable mold cavity 110, and the movable mold 100 and the middle mold 300 are assembled to form a molding cavity; the injection device injects liquid metal into the gate channel 210 through the gate hole 230 formed in the fixed mold 200, the gate channel 210 communicates with the injection hole 310 formed in the middle mold 300, and the liquid metal enters the molding chamber through the injection hole 310. After the liquid metal in the molding cavity is cooled and shaped, the movable mold 100 moves in the direction away from the middle mold 300, the movable mold 100 is separated from the middle mold 300, and the finished product is attached to the cavity wall of the movable mold cavity 110 and moves along with the movable mold 100; the injection hole 310 is released from the mold in a direction opposite to the opening direction of the movable mold 100 so that the scraps in the injection hole 310 can be retained in the injection hole 310. Then, the middle mold opening mechanism 400 separates the middle mold 300 from the fixed mold 200, the waste material in the pouring channel 210 will adhere to the channel wall of the pouring channel 210, and the waste material in the injection hole 310 is connected to the waste material in the pouring channel 210; when the middle mold 300 is separated from the fixed mold 200, since the mold opening direction of the middle mold 300 is the same as the mold opening direction of the movable mold 100, that is, the mold opening direction of the middle mold 300 is opposite to the mold releasing direction of the injection hole 310, the waste in the injection hole 310 is carried out of the injection hole 310 by the waste in the pouring channel 210; the ejection mechanism 500 ejects the waste material in the pouring channel 210 out of the pouring channel 210, and the manipulator 600 takes out the waste material ejected out of the pouring channel 210, so as to realize automatic separation and taking out of the waste material. The automatic separation of waste material and finished product and the automation of waste material are taken out can be realized to aforementioned structure, the cost of using manpower sparingly.

The injection hole 310 has a structure that one end close to the movable mold 100 is small and one end close to the fixed mold 200 is large, so that the contact area between the waste in the injection hole 310 and the finished product is small, and the contact area between the waste and the waste in the pouring channel 210 is large; thus, when the movable mold 100 is separated from the middle mold 300, it is possible to achieve retention of the scraps in the injection hole 310; when the middle mold 300 is separated from the fixed mold 200, the wastes in the injection hole 310 are carried out of the injection hole 310 by the wastes in the runner channel 210. The injection hole 310 in the present invention is specifically an inverted triangular through hole. In the embodiment of the present invention, the manipulator 600 is specifically the manipulator 600, and is disposed on the body.

In the embodiment of the present invention, the fixed mold 200 is specifically disposed on the machine body through the fixed mold 200.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the fixed mold 200 is provided with a material ejecting hole 220, and the material ejecting hole 220 is communicated with the pouring channel 210; the liftout mechanism 500 includes: a driving device 510 and a thimble 520; the driving device 510 is arranged at one side of the fixed die 200, which is far away from the middle die 300, and the driving device 510 is used for driving the thimble 520 to move; the ejector pins 520 are capable of passing through the ejector holes 220 and ejecting the slug from the pouring channel 210. The driving device 510 may be a pneumatic cylinder or a hydraulic cylinder, etc. to drive the needle 520 to reciprocate linearly. One end of the thimble 520 is connected to the driving device 510 in a transmission manner; the other end of the thimble 520 can pass through the ejector hole 220 and can protrude from the ejector hole 220 by the driving device 510. When the waste material needs to be ejected, the driving device 510 drives the ejector pin 520 to move, and the ejector pin 520 penetrates through the ejector hole 220 and ejects the waste material. After the ejection is completed, the driving device 510 drives the ejector pin 520 to retract. In the embodiment of the present invention, the driving device 510 is disposed on the fixed mold 200 plate, specifically, the fixed mold 200 plate is disposed on a side away from the fixed mold 200; the ejection hole 220 penetrates through the stationary mold 200 and the stationary mold 200 plate.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the ejector pin 520 is movably disposed in the ejector hole 220, and the ejector pin 520 is adapted to the ejector hole 220. One end of the thimble 520 is connected to the driving device 510 in a transmission manner. When the material ejection is needed, the driving device 510 drives the ejector pin 520 to move in the material ejection hole 220 towards the middle mold 300, and one end of the ejector pin 520 far away from the driving device 510 extends out of the material ejection hole 220 and ejects the waste material out of the pouring channel 210. When the ejection is not required, the end of the ejector pin 520 remote from the driving device 510 is received in the ejection hole 220, and the size and shape of the ejector pin 520 are adapted to the ejection hole 220, so that the liquid metal flowing through the pouring channel 210 cannot flow out of the ejection hole 220.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the ejection holes 220 and the ejector pins 520 are multiple, and the ejector pins 520 correspond to the ejection holes 220 one to one. The size of the ejector pins 520 and ejector holes 220 is generally small, while the pouring channel 210 is generally long. A plurality of ejector pins 520 may be used to better eject the scrap material from the pouring channel 210. Meanwhile, in actual operation, in order to improve production efficiency, the forming chamber is generally provided with a plurality of forming chambers; the middle mold 300 is correspondingly provided with a plurality of injection holes 310. The pouring channel 210 communicates with the plurality of injection holes 310, respectively, by being provided with a plurality of branch channels to supply the plurality of molding chambers. The ejection efficiency of the waste is improved by arranging a plurality of ejector pins 520 respectively corresponding to different branch channels.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the material ejecting mechanism 500 further includes: a first supporting plate 530, wherein the first supporting plate 530 is movably arranged at one side of the fixed die 200 departing from the middle die 300, and the first supporting plate 530 is used for arranging a plurality of thimbles 520; the driving device 510 is used for driving the first supporting plate 530 to move, so as to realize the movement of the thimble 520. One side of the first supporting plate 530 is in transmission connection with the driving device 510, and the plurality of ejector pins 520 are disposed on one side of the first supporting plate 530 away from the driving device 510. When the waste material needs to be ejected, the driving device 510 drives the first supporting plate 530 to move towards the fixed mold 200, so as to simultaneously drive the plurality of ejector pins 520 to move, thereby improving the efficiency of ejecting the waste material. In the present invention, the first supporting plate 530 is disposed between the cover half 200 and the driving device 510.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and fig. 2, the material ejecting mechanism 500 further includes: one end of each guide rod 540 is connected to one side of the fixed die 200, which is far away from the middle die 300, and the other end of each guide rod 540 is connected to the driving motor; the first supporting plate 530 has at least two guiding holes, the guiding holes correspond to the guiding rods 540 one by one, and the guiding rods 540 are sleeved on the guiding holes. In the present invention, the number of the guide rods 540 is four, and the four guide rods 540 are arranged in a square shape. The number of the guide holes is four, and the four guide holes are arranged in a square shape. In the embodiment of the present invention, in order to improve the stability of the operation of the support plate, four guide rods 540 and guide holes are provided; the number of guide rods 540 and guide holes may be two, three, etc. in other embodiments. In the embodiment of the present invention, the driving device 510 is specifically a driving motor, and a fixing plate is disposed at one end of the driving motor, which is disposed on the power output shaft; one end of the four guide rods 540 is connected to the fixed mold 200 and the other end is connected to the fixed plate, thereby fixedly mounting the driving motor. The first support plate 530 is disposed between the fixed plate and the fixed mold 200, and the guide hole provided on the first support plate 530 is slidably engaged with the guide hole. The fixing plate is provided with a through hole for a power output shaft passing through the driving motor, and the power output shaft is connected to the first supporting plate 530 and drives the first supporting plate 530 to move. In the embodiment of the present invention, one end of the guide rod 540 is specifically connected to one side of the fixed mold 200 plate departing from the fixed mold 200.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and 2, the fixed mold 200 is provided with a pouring hole 230, and the pouring hole 230 communicates with the pouring channel 210; the middle mold 300 is provided with a plurality of injection holes 310, the plurality of injection holes 310 being disposed at both sides of the gate hole 230; the fixed die 200 is provided with two groups of material ejecting holes 220, the two groups of material ejecting holes 220 are respectively arranged at two sides of the pouring hole 230, and each group of material ejecting holes 220 comprises at least one material ejecting hole 220; the number of the material ejecting mechanisms 500 is two, two material ejecting mechanisms 500 are arranged on one side of the fixed die 200, which is away from the middle die 300, and the two material ejecting mechanisms 500 are arranged on two sides of the pouring hole 230. The gate 230 is a through hole, and is generally provided in the middle of the fixed mold 200. In actual production, in order to improve production efficiency, a plurality of forming chambers are generally provided. To improve the injection effect, the molding cavities are generally uniformly arranged on both sides of the gate hole 230. The middle mold 300 is provided with a plurality of injection holes 310 corresponding to the molding cavities one by one, and the pouring channel 210 of the fixed mold 200 is provided with a plurality of branch channels respectively communicating with the plurality of injection holes 310. In practice, in order to improve the ejection effect of the waste, a plurality of ejector holes 220 may be provided, and a plurality of ejector pins 520 may be correspondingly provided. Two groups of material ejecting holes 220 and two groups of material ejecting mechanisms 500 are respectively arranged on two sides of the pouring hole 230, so that the efficiency of ejecting waste materials can be improved. In the present invention, the gate 230 runs through the cover half 200 and the cover half 200 plate.

Specifically, in some embodiments of the present invention, as shown in fig. 1 and 2, the fixed mold 200 is provided with a pouring hole 230, and the pouring hole 230 communicates with the pouring channel 210; the middle mold opening mechanism 400 includes: at least two push rods and two power devices; push rods are respectively arranged at both sides of the pouring hole 230; the power devices are arranged on one side of the fixed die 200, which is far away from the middle die 300, the two power devices are respectively arranged on two sides of the pouring hole 230, and the power devices are used for driving the push rod to move; one end of the push rod is connected to the power device, and the other end of the push rod can abut against the middle mold 300, so that the middle mold 300 and the fixed mold 200 are separated. In the embodiment of the present invention, the number of the push rods is four, and four push rods are respectively and equally arranged on both sides of the pouring hole 230. Four die opening holes respectively corresponding to the four push rods are formed in the fixed die 200 plate. Specifically, the middle mold opening mechanism 400 further includes two second support plates, the second support plates are in transmission connection with the power device, and the four push rods are respectively and evenly arranged on the two second support plates, so that one power device can drive the two push rods simultaneously. When the mold is required to be opened, the power device drives the second supporting plate to move, the second supporting plate drives the push rod to move in the mold opening hole, the push rod abuts against the middle mold 300 and pushes the middle mold 300 out in the direction away from the fixed mold 200, and the middle mold 300 and the fixed mold 200 are separated.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a waste material withdrawing mechanism of die casting machine which characterized in that includes:

a body;

the moving die (100), the moving die (100) is movably arranged on the machine body, and a moving die cavity (110) is arranged on the moving die (100);

the fixed die (200) is arranged on the machine body, and a pouring channel (210) is formed in the end face, close to the movable die (100), of the fixed die (200);

the middle die (300) is movably arranged between the fixed die (200) and the movable die (100), and the middle die (300) is provided with an injection hole (310); the middle die (300) can be matched with the fixed die (200), and the pouring channel (210) can be communicated with the injection hole (310); the movable mould (100) can be matched with the middle mould (300), and the injection hole (310) can be communicated with the movable mould cavity (110); the demolding direction of the injection hole (310) is opposite to the mold opening direction of the movable mold (100);

the middle die opening mechanism (400) is arranged on the machine body, and the middle die opening mechanism (400) is used for separating the middle die (300) from the fixed die (200);

the ejection mechanism (500), the ejection mechanism (500) is arranged on the machine body, and the ejection mechanism (500) is used for ejecting the waste in the pouring channel (210);

the manipulator (600), manipulator (600) set up in the fuselage, manipulator (600) are used for taking out the waste material that is ejected from pouring passageway (210).

2. The scrap take-out mechanism of the die casting machine according to claim 1, wherein the stationary die (200) is provided with a topping hole (220), the topping hole (220) communicating with the pouring channel (210);

the ejector mechanism (500) comprises: a driving device (510) and a thimble (520); the driving device (510) is arranged on one side, away from the middle mold (300), of the fixed mold (200), and the driving device (510) is used for driving the ejector pins (520) to move; the ejector pins (520) can pass through the ejector holes (220) and eject the waste material out of the pouring channel (210).

3. The scrap removal mechanism for die-casting machines according to claim 2, wherein said ejector pin (520) is movably disposed in said ejector hole (220), said ejector pin (520) being adapted to said ejector hole (220).

4. The scrap removing mechanism of the die casting machine according to claim 2, wherein the ejector pin (520) is provided in plurality, and the ejector pins (520) are in one-to-one correspondence with the ejector pin (220).

5. The scrap removal mechanism for the die casting machine according to claim 4, wherein said ejector mechanism (500) further comprises: the first supporting plate (530), the first supporting plate (530) is movably arranged on one side of the fixed die (200) departing from the middle die (300), and the first supporting plate (530) is used for arranging a plurality of thimbles (520); the driving device (510) is used for driving the first supporting plate (530) to move so as to realize the movement of the thimble (520).

6. The scrap removal mechanism for the die casting machine according to claim 5, wherein said ejector mechanism (500) further comprises: at least two guide rods (540), wherein one ends of the guide rods (540) are connected to one side, away from the middle die (300), of the fixed die (200), and the other ends of the guide rods (540) are in transmission connection with the driving device (510); the first supporting plate (530) is provided with at least two guide holes, the guide holes correspond to the guide rods (540) one by one, and the guide rods (540) are sleeved on the guide holes.

7. The scrap withdrawing mechanism of the die casting machine according to claim 2, wherein the fixed die (200) is provided with a pouring hole (230), and the pouring hole (230) communicates with the pouring channel (210);

the middle mold (300) is provided with a plurality of injection holes (310), and the plurality of injection holes (310) are arranged at two sides of the pouring hole (230);

the fixed die (200) is provided with two groups of material ejecting holes (220), the two groups of material ejecting holes (220) are respectively arranged at two sides of the pouring hole (230), and each group of material ejecting holes (220) comprises at least one material ejecting hole (220);

the material ejecting mechanism (500) is two, the two material ejecting mechanisms (500) are arranged on one side, deviating from the middle die (300), of the fixed die (200), and the two material ejecting mechanisms (500) are arranged on two sides of the pouring hole (230).

8. The scrap take-out mechanism of the die casting machine according to claim 1, wherein the fixed die (200) is provided with a pouring hole (230), the pouring hole (230) communicating with the pouring channel (210);

the middle mold opening mechanism (400) comprises: at least two push rods and two power devices; the push rods are respectively arranged at two sides of the pouring hole (230); the power devices are arranged on one side, away from the middle die (300), of the fixed die (200), the two power devices are respectively arranged on two sides of the pouring hole (230), and the power devices are used for driving the push rod to move; one end of the push rod is connected with the power device, and the other end of the push rod can prop against the middle die (300) so as to separate the middle die (300) from the fixed die (200).