CN218785181U

CN218785181U - Radiator base mould

Info

Publication number: CN218785181U
Application number: CN202223059764.7U
Authority: CN
Inventors: 毛宇雄; 朱文良
Original assignee: Zhaoqing Hongzhen Precision Mold Manufacturing Co ltd
Current assignee: Zhaoqing Hongzhen Precision Mold Manufacturing Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-04
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a radiator base mould, which comprises a cover half mechanism, a movable mould mechanism and a core-pulling mechanism; wherein, the cover half mechanism includes the cover half frame, cover half core and a plurality of quick change needle subassembly, the cover half core is inlayed in the cover half frame, the cover half frame is provided with a plurality of first pinholes, the cover half core is provided with a plurality of second pinholes that communicate with first pinhole, the quick change needle subassembly includes the pressure strip, a plurality of ejector pins and a plurality of core needle, the pressure strip sets up on the cover half frame, the core needle passes through first pinhole, the ejector pin passes through first pinhole and core needle butt, the one end butt of type core needle is far away from with the ejector pin to the pressure strip, the pressure strip is used for compressing tightly the ejector pin and spacing in order to carry out the core needle. The utility model has the advantages of compact and reasonable structure, die-casting is efficient, radiator base shaping precision is high to can be convenient for change core needle, need not to dismantle alright quick replacement core needle to cover half mechanism, can prevent effectively that the cover half core from taking place wearing and tearing, and then, can prolong the life of cover half core, reduction in production cost.

Description

Radiator base mould

Technical Field

The utility model relates to a die casting die technical field, in particular to radiator base mould.

Background

Along with the rapid development of precision instruments, the requirements on the production and processing of precision parts are higher and higher, particularly, the requirements on a die-casting die of some parts requiring high precision and complex structures, such as precision parts of a radiator base and the like, are often higher, and the structure of a die core of the die-casting die is generally high in precision and complex, so that the die core is often difficult to process and high in manufacturing cost, and the die core has direct influence on the service life, the production and manufacturing cost and the efficiency of the die-casting die;

generally, a radiator base mold is provided with a plurality of core pins, and the core pins are continuously worn in daily production and need to be frequently replaced; however, when the core pin of the existing mold is replaced, the mold core and the mold frame need to be detached, and then the core pin is knocked out from the mold core for replacement, so that the core pin is troublesome to detach when replaced, the process and the labor cost are increased, and due to long-term or frequent disassembly and assembly, the mold is easy to wear or damage, the precision of a finished product is low, and even the normal die casting cannot be performed.

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 radiator base mould, compact structure, reasonable, die-casting is efficient, radiator base shaping precision is high to can be convenient for change core needle, need not to dismantle alright quick replacement core needle to cover half mechanism, can prevent effectively that the cover half core from taking place wearing and tearing, and then, can prolong the life of cover half core, reduction in production cost.

The utility model provides a technical scheme that its technical problem adopted is:

a radiator base mould comprises a fixed mould mechanism, a movable mould mechanism and a core-pulling mechanism;

the fixed die mechanism comprises a fixed die frame, a fixed die core and a plurality of quick-change needle assemblies, the fixed die core is embedded in the center of the inner side of the fixed die frame, the fixed die core is provided with a fixed die cavity, the fixed die cavity is used for forming a fixed die part of the radiator base, the fixed die frame is provided with a plurality of first needle holes, the fixed die core is provided with a plurality of second needle holes communicated with the first needle holes, the quick-change needle assemblies comprise a pressing plate, a plurality of ejector rods and a plurality of die core needles, the pressing plate is arranged on the fixed die frame, the die core needles pass through the first needle holes, the ejector rods are abutted against the die core needles through the first needle holes, the pressing plate is abutted against one ends of the ejector rods far away from the die core needles, and the pressing plate is used for pressing the ejector rods to limit the die core needles;

the movable mould mechanism comprises a movable mould frame and a movable mould core, the movable mould core is embedded in the center of the inner side of the movable mould frame, the movable mould core is provided with a movable mould cavity, the movable mould cavity is used for molding the movable mould part of the radiator base, and the movable mould cavity is matched with the fixed mould cavity to form a mould cavity;

the core pulling mechanism is arranged on the movable mould base and comprises a first core pulling assembly, a second core pulling assembly and a third core pulling assembly, and the first core pulling assembly, the second core pulling assembly and the third core pulling assembly are respectively used for forming three different side faces of the radiator base.

According to the utility model discloses radiator base mould has following beneficial effect at least:

the fixed die mechanism is provided with a quick-change needle assembly, the quick-change needle assembly comprises a pressing plate, a plurality of ejector rods and a plurality of core needles, the core needles pass through a first needle hole, the ejector rods are abutted with the core needles through the first needle hole, the pressing plate is abutted with one ends, far away from the core needles, of the ejector rods, and the pressing plate is used for pressing the ejector rods to limit the core needles; and when the core needle takes place wearing and tearing, need to change the core needle, during the change, loosen the pressure strip of fixed mounting on the cover half frame, take out the ejector pin after taking out the pressure strip again, locate at the cover half core after that to it is ejecting in order to change the core needle through first pinhole, therefore, need not to dismantle alright quick replacement core needle to cover half mechanism, can prevent effectively that the cover half core from taking place wearing and tearing, and then, can prolong the life of cover half core, reduction in production cost.

According to some embodiments of the utility model, first subassembly of loosing core includes first slider, first slide and hydro-cylinder, and first slider setting is in movable mould frame's top department, and first slider slides along movable mould frame and the top butt of movable mould core, and first slide rigid coupling is in the outside of first slider, and the hydro-cylinder passes through the mounting bracket to be installed at movable mould frame top, the telescopic link and the first slide rigid coupling of hydro-cylinder, and the hydro-cylinder is used for driving first slider and is close to or keeps away from movable mould core.

The beneficial results are: in the die-casting process, the oil cylinder of the first core-pulling assembly can drive the first sliding block to abut against the top of the movable die core, so that the first side surface of the radiator base is conveniently formed; and after the radiator base is formed, when the core is pulled, the oil cylinder drives the first sliding block to be far away from the movable mold core so as to pull the core, so that the core pulling process is smooth and rapid.

According to some embodiments of the utility model, the second subassembly of loosing core includes second slider, second slide and hydro-cylinder, and the second slider setting is in the left side department of movable mould frame, and the second slider slides along the movable mould frame and the left side butt of movable mould core, and the second slide rigid coupling is in the outside of second slider, and the hydro-cylinder passes through the mounting bracket to be installed in the movable mould frame left side, the telescopic link and the second slide rigid coupling of hydro-cylinder, and the hydro-cylinder is used for driving the second slider and is close to or keeps away from the movable mould core.

The beneficial results are: in the die-casting process, the oil cylinder of the second core-pulling assembly can drive the second sliding block to abut against the left side of the movable die core, so that the second side surface of the radiator base is convenient to form; and after the radiator base is formed, when the core is pulled, the oil cylinder drives the second sliding block to be far away from the movable mold core to pull the core, so that the core pulling process is smooth and rapid.

According to some embodiments of the utility model, the third subassembly of loosing core includes third slider, third slide and hydro-cylinder, and the third slider setting is in movable mould frame's right side department, and the third slider slides along movable mould frame and the right side butt of movable mould core, and the third slide rigid coupling is in the outside of third slider, and the hydro-cylinder passes through the mounting bracket to be installed on movable mould frame right side, and the telescopic link and the third slide rigid coupling of hydro-cylinder, hydro-cylinder are used for driving the third slider and are close to or keep away from movable mould core.

The beneficial results are: in the die-casting process, the oil cylinder of the third core-pulling assembly can drive the third sliding block to abut against the right side of the movable die core, so that the third side surface of the radiator base can be conveniently formed; and after the radiator base is formed, when the core is pulled, the oil cylinder drives the third sliding block to be far away from the movable mold core to pull the core, so that the core pulling process is smooth and rapid.

According to the utility model discloses a some embodiments, first subassembly of loosing core still includes connecting rod and adapter sleeve, and the one end of connecting rod clamps on first slide, and the other end suit of connecting rod is on the adapter sleeve, and the one end of connecting rod is kept away from at the adapter sleeve to the telescopic link suit of hydro-cylinder.

The beneficial results are: the telescopic rod of the oil cylinder is connected with the connecting rod through the connecting sleeve, so that the oil cylinder is connected with the first sliding seat through the connecting sleeve and the connecting rod instead of being directly connected with the first sliding seat; and when loosing core frequently or for a long time, the hydro-cylinder takes place wearing and tearing even fracture with first slide junction easily to lead to unable normal loosing core, and then, set up like this and can be convenient for change the connecting rod, and need not to change the hydro-cylinder, improved change efficiency, and reduced the maintenance cost.

According to the utility model discloses a some embodiments still include the installation component, and the installation component includes mounting panel and a plurality of cushion, and the cushion is adorned admittedly in the one side that the movable mould core was kept away from to the movable mould base, and one side rigid coupling of movable mould base is kept away from to mounting panel and cushion.

The beneficial results are: the installation component comprises an installation plate and a plurality of cushion blocks, the cushion blocks are fixedly installed on the movable mould frame, the installation plate is fixedly connected with the cushion blocks, and therefore the structural strength of the movable mould mechanism can be improved, the movable mould frame can be effectively prevented from deforming, and the movable mould frame is stable.

According to the utility model discloses a some embodiments still include locking Assembly, and locking Assembly includes locking die holder and locking lever, and the locking die holder passes through the axis of rotation and installs on the fixed die frame, is provided with the locking groove on the locking die holder, and the locking lever correspondence sets up on movable die carrier, and the locking groove is in order to locking movable die carrier and fixed die carrier with the locking lever joint.

The beneficial results are: the die locking seat is installed on the fixed die frame and is provided with a locking groove, the movable die frame is provided with a locking rod corresponding to the die locking seat, the locking groove is clamped with the locking rod to lock the movable die frame and the fixed die frame, and therefore the collision between the movable die frame and the fixed die frame can be reduced, the abrasion of the movable die frame and the fixed die frame can be reduced, and the die locking device is favorable for transportation and installation of dies.

According to some embodiments of the utility model, the material of fixed mold core and movable mold core is 8418 mould steel.

The beneficial results are: 8418 the die steel has excellent performances of thermal fatigue cracking resistance, thermal shock cracking resistance, thermal abrasion resistance and plastic deformation resistance, so that the fixed die core and the movable die core have the performances of thermal shock cracking resistance, abrasion resistance and plastic deformation resistance, the service lives of the fixed die core and the movable die core can be prolonged, and the fixed die core and the movable die core are not easy to deform, thereby ensuring good forming effect and high precision of the radiator base.

According to some embodiments of the utility model, the surface of fixed mold core and movable mold core is all scribbled and is equipped with the nitride layer.

The beneficial results are: the surfaces of the fixed mold core and the movable mold core are coated with the nitride layers, so that the surface hardness of the fixed mold core and the movable mold core can be improved, the fixed mold core and the movable mold core have wear resistance and corrosion resistance, and the service performance of the fixed mold core and the movable mold core is effectively improved.

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 front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a side view of an embodiment of the present invention;

fig. 4 is a schematic structural view of a quick-change needle assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a core-pulling mechanism according to an embodiment of the present invention;

fig. 6 is another side view of an embodiment of the present invention.

Reference numerals are as follows: the mold clamping device comprises a fixed mold frame 100, a fixed mold core 110, a quick-change needle assembly 120, a first needle hole 130, a second needle hole 140, a pressing plate 150, a push rod 160, a mold core needle 170, a movable mold frame 180, a movable mold core 190, a first core-pulling assembly 200, a second core-pulling assembly 210, a third core-pulling assembly 220, a first sliding block 230, a first sliding seat 240, an oil cylinder 250, a second sliding block 260, a second sliding seat 270, a third sliding seat 280, a third sliding seat 290, a connecting rod 300, a connecting sleeve 310, a mounting plate 320, a cushion block 330, a mold clamping seat 340, a locking rod 350, a rotating shaft 360 and a locking groove 370.

Detailed Description

Reference will now be made in detail to the 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 functions 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, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A heat sink base mold is described in detail in one particular embodiment with reference to fig. 1-6. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

As shown in fig. 1-4, a heat sink base mold comprises a fixed mold mechanism, a movable mold mechanism and a core-pulling mechanism;

the fixed die mechanism comprises a fixed die frame 100, a fixed die core 110 and a plurality of quick-change needle assemblies 120, wherein the fixed die core 110 is embedded in the center of the inner side of the fixed die frame 100, the fixed die core 110 is provided with a fixed die cavity used for forming a fixed die part of a radiator base, the fixed die frame 100 is provided with a plurality of first needle holes 130, the fixed die core 110 is provided with a plurality of second needle holes 140 communicated with the first needle holes 130, the quick-change needle assemblies 120 comprise a pressing plate 150, a plurality of ejector rods 160 and a plurality of core needles 170, the pressing plate 150 is arranged on the fixed die frame 100, the core needles 170 pass through the first needle holes 130, the ejector rods 160 are abutted against the core needles 170 through the first needle holes 130, the pressing plate 150 is abutted against one ends of the ejector rods 160 far away from the core needles 170, and the pressing plate 150 is used for pressing the ejector rods 160 to limit the core needles 170;

the movable mold mechanism comprises a movable mold frame 180 and a movable mold core 190, the movable mold core 190 is embedded in the center of the inner side of the movable mold frame 180, the movable mold core 190 is provided with a movable mold cavity, the movable mold cavity is used for molding a movable mold part of the radiator base, and the movable mold cavity is matched with the fixed mold cavity to form a mold cavity;

the core pulling mechanism is arranged on the movable mould frame 180 and comprises a first core pulling assembly 200, a second core pulling assembly 210 and a third core pulling assembly 220, wherein the first core pulling assembly 200, the second core pulling assembly 210 and the third core pulling assembly 220 are respectively used for forming three different side surfaces of the radiator base.

The fixed die mechanism is provided with a quick-change needle assembly 120, the quick-change needle assembly 120 comprises a pressing plate 150, a plurality of ejector rods 160 and a plurality of core pins 170, the core pins 170 pass through the first pin holes 130, the ejector rods 160 are abutted with the core pins 170 through the first pin holes 130, the pressing plate 150 is abutted with one ends of the ejector rods 160 far away from the core pins 170, and the pressing plate 150 is used for pressing the ejector rods 160 to limit the core pins 170; when the core pin 170 is worn, the core pin 170 needs to be replaced, and when the core pin 170 is replaced, the pressing plate 150 fixedly mounted on the fixed mold frame 100 is loosened, the ejector rod 160 is taken out after the pressing plate 150 is taken out, and then the core pin 170 is ejected out through the first pin hole 130 at the fixed mold core 110 to be replaced, so that the core pin 170 can be replaced quickly without disassembling the fixed mold mechanism, the fixed mold core 110 can be effectively prevented from being worn, the service life of the fixed mold core 110 can be prolonged, and the production cost can be reduced.

Referring to fig. 5, the first core pulling assembly 200 includes a first slider 230, a first slider 240 and an oil cylinder 250, the first slider 230 is disposed at the top of the movable mold frame 180, the first slider 230 slides along the movable mold frame 180 and abuts against the top of the movable mold core 190, the first slider 240 is fixedly connected to the outer side of the first slider 230, the oil cylinder 250 is mounted at the top of the movable mold frame 180 through a mounting frame, a telescopic rod of the oil cylinder 250 is fixedly connected to the first slider 240, and the oil cylinder 250 is used for driving the first slider 230 to be close to or far away from the movable mold core 190.

In the die-casting process, the oil cylinder 250 of the first core pulling assembly 200 can drive the first sliding block 230 to abut against the top of the movable mold core 190, so that the first side surface of the radiator base is conveniently formed; after the radiator base is formed, when the core is pulled, the oil cylinder 250 drives the first slider 230 to be away from the movable mold core 190 to pull the core, so that the core pulling process is smooth and rapid.

The utility model discloses a some embodiments, second subassembly of loosing core 210 includes second slider 260, second slide 270 and hydro-cylinder 250, second slider 260 sets up in the left side department of movable mould frame 180, second slider 260 slides along movable mould frame 180 and moves the left side butt of mould core 190, the rigid coupling of second slide 270 is in the outside of second slider 260, hydro-cylinder 250 passes through the mounting bracket to be installed in movable mould frame 180 left side, hydro-cylinder 250's telescopic link and second slide 270 rigid coupling, hydro-cylinder 250 is used for driving second slider 260 and is close to or keeps away from movable mould core 190.

In the die-casting process, the oil cylinder 250 of the second core pulling assembly 210 can drive the second sliding block 260 to abut against the left side of the movable mold core 190, so that the second side surface of the radiator base is conveniently formed; after the radiator base is molded, when core pulling is performed, the oil cylinder 250 drives the second slider 260 to be away from the movable mold core 190 to perform core pulling, so that the core pulling process is smooth and rapid.

In some embodiments of the utility model, the third subassembly 220 of loosing core includes third slider 280, third slide 290 and hydro-cylinder 250, third slider 280 sets up in the right side department of movable mould frame 180, third slider 280 slides along movable mould frame 180 and the right side butt of movable mould core 190, third slide 290 rigid coupling is in the outside of third slider 280, hydro-cylinder 250 passes through the mounting bracket to be installed on movable mould frame 180 right side, the telescopic link and the third slide 290 rigid coupling of hydro-cylinder 250, hydro-cylinder 250 is used for driving third slider 280 and is close to or keeps away from movable mould core 190.

In the die-casting process, the oil cylinder 250 of the third core pulling assembly 220 can drive the third slide block 280 to abut against the right side of the movable mold core 190, so that the third side surface of the radiator base can be conveniently formed; after the radiator base is molded, when core pulling is performed, the oil cylinder 250 drives the third slide block 280 to be away from the movable mold core 190 to perform core pulling, so that the core pulling process is smooth and rapid.

In some embodiments of the present invention, the first core pulling assembly 200 further includes a connecting rod 300 and a connecting sleeve 310, one end of the connecting rod 300 is clamped on the first sliding seat 240, the other end of the connecting rod 300 is sleeved on the connecting sleeve 310, and the telescopic rod of the oil cylinder 250 is sleeved on one end of the connecting sleeve 310 far away from the connecting rod 300.

The telescopic rod of the oil cylinder 250 is connected with the connecting rod 300 through the connecting sleeve 310, so that the oil cylinder 250 is connected with the first sliding base 240 through the connecting sleeve 310 and the connecting rod 300, rather than the oil cylinder 250 being directly connected with the first sliding base 240; and when frequent or long-term loosing core, the joint of the oil cylinder 250 and the first sliding seat 240 is easily abraded or even broken, so that the core cannot be normally pulled, and further, the connecting rod 300 can be conveniently replaced without replacing the oil cylinder 250, so that the replacement efficiency is improved, and the maintenance cost is reduced.

In some embodiments of the present invention, the movable mold core further comprises a mounting assembly, the mounting assembly comprises a mounting plate 320 and a plurality of cushion blocks 330, the cushion blocks 330 are fixedly mounted on one side of the movable mold core 180 away from the movable mold core 190, and the mounting plate 320 and the cushion blocks 330 are fixedly connected to one side of the movable mold core 180 away from the movable mold core.

The mounting assembly comprises a mounting plate 320 and a plurality of cushion blocks 330, the cushion blocks 330 are fixedly mounted on the movable mould frame 180, and the mounting plate 320 is fixedly connected with the cushion blocks 330, so that the structural strength of the movable mould mechanism can be improved, the deformation of the movable mould frame 180 can be effectively prevented, and the movable mould frame 180 has stability.

Referring to fig. 6, the mold clamping device further comprises a locking assembly, the locking assembly comprises a locking mold seat 340 and a locking rod 350, the locking mold seat 340 is mounted on the fixed mold frame 100 through a rotating shaft 360, a locking groove 370 is formed in the locking mold seat 340, the locking rod 350 is correspondingly arranged on the movable mold frame 180, and the locking groove 370 is clamped with the locking rod 350 to lock the movable mold frame 180 and the fixed mold frame 100.

The locking die holder 340 is installed on the fixed die frame 100 and is provided with a locking groove 370, the movable die frame 180 is provided with a locking rod 350 correspondingly matched with the locking die holder 340, the locking groove 370 is clamped with the locking rod 350 to lock the movable die frame 180 and the fixed die frame 100, and then the collision between the movable die frame 180 and the fixed die frame 100 can be reduced, the abrasion of the movable die frame 180 and the fixed die frame 100 can be reduced, and the transportation and installation of dies are facilitated.

In some embodiments of the present invention, the material of the stationary mold core 110 and the movable mold core 190 is 8418 mold steel.

8418 the die steel has excellent performance of thermal fatigue crack resistance, thermal shock cracking resistance, thermal abrasion resistance and plastic deformation resistance, so that the fixed die core 110 and the movable die core 190 have the performance of thermal shock crack resistance, abrasion resistance and plastic deformation resistance, the service lives of the fixed die core 110 and the movable die core 190 can be prolonged, the fixed die core 110 and the movable die core 190 are not easy to deform, and the good forming effect and high precision of the radiator base are ensured.

In some embodiments of the present invention, the surfaces of the fixed mold core 110 and the movable mold core 190 are coated with a nitride layer.

The surfaces of the fixed die core 110 and the movable die core 190 are coated with the nitride layers, so that the surface hardness of the fixed die core 110 and the movable die core 190 can be improved, the fixed die core 110 and the movable die core 190 have wear resistance and corrosion resistance, and the service performance of the fixed die core 110 and the movable die core 190 is effectively improved.

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. A heat sink base mold, comprising:

the fixed die mechanism comprises a fixed die frame (100), a fixed die core (110) and a plurality of quick-change needle assemblies (120), wherein the fixed die core (110) is embedded in the center of the inner side of the fixed die frame (100), the fixed die core (110) is provided with a fixed die cavity, the fixed die cavity is used for molding a fixed die part of a radiator base, the fixed die frame (100) is provided with a plurality of first needle holes (130), the fixed die core (110) is provided with a plurality of second needle holes (140) communicated with the first needle holes (130), the quick-change needle assemblies (120) comprise a pressing plate (150), a plurality of ejector rods (160) and a plurality of core needles (170), the pressing plate (150) is arranged on the fixed die frame (100), the core needles (170) are arranged in the second needle holes (140), the ejector rods (160) are abutted to the core needles (170) through the first needle holes (130), the pressing plate (150) is abutted to one ends, far away from the core needles (170), and the pressing plate (150) is used for pressing the ejector rods (160) to limit the core needles (170);

the moving die mechanism comprises a moving die frame (180) and a moving die core (190), the moving die core (190) is embedded in the center of the inner side of the moving die frame (180), the moving die core (190) is provided with a moving die cavity, the moving die cavity is used for molding a moving die part of the radiator base, and the moving die cavity is matched with the fixed die cavity to form a die cavity;

the core pulling mechanism is arranged on the movable mould frame (180) and comprises a first core pulling assembly (200), a second core pulling assembly (210) and a third core pulling assembly (220), wherein the first core pulling assembly (200), the second core pulling assembly (210) and the third core pulling assembly (220) are respectively used for forming three different side faces of the radiator base.

2. The radiator base mold according to claim 1, wherein the first core pulling assembly (200) comprises a first slider (230), a first sliding seat (240) and an oil cylinder (250), the first slider (230) is arranged at the top of the movable mold frame (180), the first slider (230) slides along the movable mold frame (180) and abuts against the top of the movable mold core (190), the first sliding seat (240) is fixedly connected to the outer side of the first slider (230), the oil cylinder (250) is mounted at the top of the movable mold frame (180) through a mounting frame, an expansion rod of the oil cylinder (250) is fixedly connected with the first sliding seat (240), and the oil cylinder (250) is used for driving the first slider (230) to be close to or far away from the movable mold core (190).

3. The radiator base mold according to claim 1, wherein the second core pulling assembly (210) comprises a second slider (260), a second sliding seat (270) and an oil cylinder (250), the second slider (260) is arranged at the left side of the movable mold frame (180), the second slider (260) slides along the movable mold frame (180) and abuts against the left side of the movable mold core (190), the second sliding seat (270) is fixedly connected to the outer side of the second slider (260), the oil cylinder (250) is mounted on the left side of the movable mold frame (180) through a mounting frame, an expansion rod of the oil cylinder (250) is fixedly connected with the second sliding seat (270), and the oil cylinder (250) is used for driving the second slider (260) to be close to or far away from the movable mold core (190).

4. The radiator base mold according to claim 1, wherein the third core pulling assembly (220) comprises a third slider (280), a third sliding seat (290) and an oil cylinder (250), the third slider (280) is arranged at the right side of the movable mold frame (180), the third slider (280) slides along the movable mold frame (180) and abuts against the right side of the movable mold core (190), the third sliding seat (290) is fixedly connected to the outer side of the third slider (280), the oil cylinder (250) is mounted at the right side of the movable mold frame (180) through a mounting frame, an expansion rod of the oil cylinder (250) is fixedly connected with the third sliding seat (290), and the oil cylinder (250) is used for driving the third slider (280) to be close to or far away from the movable mold core (190).

5. The radiator base mold according to claim 2, wherein the first core-pulling assembly (200) further comprises a connecting rod (300) and a connecting sleeve (310), one end of the connecting rod (300) is clamped on the first sliding seat (240), the other end of the connecting rod (300) is sleeved on the connecting sleeve (310), and a telescopic rod of the oil cylinder (250) is sleeved on one end of the connecting sleeve (310) far away from the connecting rod (300).

6. The radiator base mold according to claim 1, further comprising a mounting assembly, wherein the mounting assembly comprises a mounting plate (320) and a plurality of cushion blocks (330), the cushion blocks (330) are fixedly mounted on one side of the movable mold frame (180) far away from the movable mold core (190), and the mounting plate (320) is fixedly connected with one side of the cushion blocks (330) far away from the movable mold frame (180).

7. The heat sink base mold according to claim 1, further comprising a locking assembly, wherein the locking assembly comprises a locking mold seat (340) and a locking rod (350), the locking mold seat (340) is installed on the fixed mold frame (100) through a rotating shaft (360), a locking groove (370) is provided on the locking mold seat (340), the locking rod (350) is correspondingly arranged on the movable mold frame (180), the locking groove (370) is clamped with the locking rod (350) to lock the movable mold frame (180) and the fixed mold frame (100).

8. The heat sink base mold according to claim 1, wherein the material of the fixed mold core (110) and the movable mold core (190) is 8418 mold steel.

9. The heat sink base mold according to claim 1, wherein the surfaces of the fixed mold core (110) and the movable mold core (190) are coated with a nitride layer.