CN107052264B

CN107052264B - Hook casting system

Info

Publication number: CN107052264B
Application number: CN201710052074.3A
Authority: CN
Inventors: 贾非; 岳国志; 陈壮林; 罗运鹏; 陈建林; 郭彦胜
Original assignee: Chongqing Tong Yao Forging Co ltd
Current assignee: Chongqing Tongyao Intelligent Equipment Co.,Ltd.
Priority date: 2017-01-23
Filing date: 2017-01-23
Publication date: 2020-05-19
Anticipated expiration: 2037-01-23
Also published as: CN107052264A

Abstract

The invention provides a hook body casting system, and relates to the field of mechanical manufacturing. The casting mold comprises a casting mold, a first patching part, a second patching part, a pouring system, a first open riser and at least one first blind riser. The casting mold comprises an upper mold, a lower mold, a hook head, a hook body and a hook tail, wherein the upper mold and the lower mold are buckled to form a hook body cavity, one end of the hook body is connected with the hook head, and the other end of the hook body is connected with the hook tail. The first open riser and the at least one first blind riser are located on one side, away from the lower die, of the upper die of the hook body and are communicated with the hook body cavity, the pouring system is located on one side of the casting die and is communicated with the hook body cavity at the position of the upper die of the hook body, the first patching piece is located on one side same as the pouring system and is respectively communicated with the first open riser and the pouring system, and the second patching piece is located on one side opposite to the casting die and the pouring system and is respectively communicated with the hook body cavity at the position of the first open riser and the hook body. The invention can prevent air holes, shrinkage cavities and shrinkage porosity from being generated in the hook body casting process and reduce the production cost.

Description

Hook casting system

Technical Field

The invention relates to the field of machine manufacturing, in particular to a hook body casting system.

Background

Along with the rapid development of the society, the application of casting is more and more extensive, people's requirement to the foundry goods is also more and more high, especially railway freight car coupler body, the quality that the coupler body was made is especially important, but in current coupler body casting system, mostly all adopt the dark rising head in the coupler body department, though increased the exhaust hole at the top of rising head, because the quantity of exhaust hole is less and the size is less, the exhaust effect is not obvious, simultaneously, the area of the ingate of current gating system is too big, cause the possibility of gas entrapment and the back feeding in the pouring process easily, and, the improper setting of ingate position and side rising head in the prior art has also caused the back feeding, make the cast coupler body defective.

Disclosure of Invention

The invention aims to provide a hook body casting system which can prevent air holes, shrinkage cavities and shrinkage porosity from generating in hook body casting and reduce production cost.

The embodiment of the invention is realized by the following steps:

in a first aspect, an embodiment of the present invention provides a hook casting system, which includes a casting mold, a first patch, a second patch, a pouring system, a first open riser, and at least one first blind riser, where the casting mold includes an upper mold and a lower mold, the upper mold and the lower mold are fastened to form a hook cavity, the casting mold further includes a hook head, a hook body, and a hook tail, one end of the hook body is connected to the hook head, and the other end of the hook body opposite to the hook head is connected to the hook tail; the first open riser and the at least one first blind riser are located on one surface, away from the lower die, of the upper die of the hook body, and the first open riser and the at least one first blind riser are communicated with the hook body cavity; the pouring system is positioned on one side of the casting mold and is communicated with the hook body cavity positioned at the upper mold of the hook body; the first patching part is positioned on the same side with the gating system and is respectively communicated with the first open riser and the gating system; the second patching part is positioned on one side of the casting mold opposite to the gating system and is respectively communicated with the first open riser and the hook body cavity at the hook body.

In a preferred embodiment of the present invention, the gating system includes a sprue cup, an ingate and a sprue, the sprue cup is communicated with the sprue, and the ingate is respectively communicated with the sprue and the hook body cavity at the upper die of the hook body of the casting mold.

In a preferred embodiment of the present invention, the cross-sectional area of the ingate is 4800mm²。

In a preferred embodiment of the present invention, the number of the first blind risers is two.

In a preferred embodiment of the present invention, the hook body casting system further includes a plurality of first chills and a plurality of second chills, the plurality of first chills are disposed at the hook head, and the plurality of second chills are disposed at the hook tail.

In a preferred embodiment of the present invention, the hook body casting system further includes a second open riser, and the second open riser is located on a surface of the upper mold of the hook tail, which is away from the lower mold, and is communicated with the hook body cavity.

In a preferred embodiment of the present invention, the hook casting system further includes a second blind riser, which is located on a surface of the upper mold of the hook head away from the lower mold and is communicated with the hook cavity.

In a preferred embodiment of the present invention, the hook body casting system further comprises a third blind riser, the third blind riser is located on one side of the junction between the hook head and the hook body, and the third blind riser is communicated with the hook body cavity.

In a preferred embodiment of the present invention, the first open riser, the second open riser, the first blind riser, the second blind riser, and the third blind riser are common risers.

In a second aspect, the embodiment of the present invention further provides a hook casting system, which includes a first mold die, a second mold die, a third patch, a fourth patch, a fifth patch, a sixth patch, a gating system, a third open riser, a fourth open riser, at least one fourth blind riser, and at least one fifth blind riser, where the first mold die includes a first upper die and a first lower die, the first upper die and the first lower die are fastened together to form a first hook cavity, the second mold die includes a second upper die and a second lower die, the second upper die and the second lower die are fastened together to form a second hook cavity, the first mold die further includes a first hook head, a first hook body, and a first hook tail, one end of the first hook body is connected to the first hook head, and the other end of the first hook body, which is opposite to the first hook head, is connected to the first hook tail, the second casting mold further comprises a second hook head, a second hook body and a second hook tail, one end of the second hook body is connected with the second hook head, the other end, opposite to the second hook head, of the second hook body is connected with the second hook tail, the first hook head and the second hook tail are arranged oppositely, and the second hook head and the first hook tail are arranged oppositely; the third open riser and the at least one fourth blind riser are located on one surface, away from the first lower die, of the first upper die of the first hook body, and the third open riser and the at least one fourth blind riser are communicated with the first hook body cavity; the fourth open riser and the at least one fifth blind riser are located on one surface, away from the second lower die, of the second upper die of the second hook body, and the fourth open riser and the at least one fifth blind riser are communicated with the second hook body cavity; the pouring system is positioned between the first casting mold and the second casting mold and is respectively communicated with the first hook body cavity at the first upper mold of the first hook body and the second hook body cavity at the second upper mold of the second hook body; the third patching part is positioned on the same side with the gating system and is respectively communicated with the third open riser and the gating system; the fourth patching part is positioned on one side of the first casting mold opposite to the gating system and is respectively communicated with the third open riser and the first hook body cavity at the first hook body; the fifth patching part is positioned on the same side with the gating system and is respectively communicated with the fourth open riser and the gating system; the sixth patching part is positioned on one side of the second casting mold opposite to the gating system and is respectively communicated with the fourth open riser and the second hook body cavity at the second hook body.

The hook body casting system comprises a casting mold, a first patching part, a second patching part, a pouring system, a first open riser and at least one first blind riser, wherein the casting mold comprises an upper mold, a lower mold, a hook head, a hook body and a hook tail, the upper mold and the lower mold are buckled to form a hook body cavity, one end of the hook body is connected with the hook head, and the other end of the hook body is connected with the hook tail. Wherein, the one side of the last mould of coupler body keeping away from the lower mould sets up first bright riser and at least one first blind riser, improves the discharge of pouring in-process gas and sand come-up, prevents to produce gas pocket, shrinkage cavity. Increase first benefit piece in gating system one side, increase second benefit piece in the relative one side of gating system, prevent to solidify the feeding of later stage in-process, prevent to produce shrinkage cavity, shrinkage porosity. The gating system is communicated with a hook body cavity at the upper die of the hook body, so that air holes are prevented from being generated by air entrainment in the gating process.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 illustrates a schematic structural diagram of a hook casting system provided by an embodiment of the present invention;

FIG. 2 illustrates a schematic view of a first perspective of a hook casting system provided by an embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of another hook casting system provided by an embodiment of the invention;

fig. 4 is a schematic view of a first perspective of another hook casting system provided by an embodiment of the present invention.

Icon: 100-hook casting system; 110-a casting mold; 111-upper die; 112-lower die; 113-hook head; 114-hook body; 115-hook tail; 120-a first patch; 130-a second patch; 140-a gating system; 142-a pouring cup; 144-ingate; 146-a sprue; 150-first clear riser; 160-first blind riser; 172-first chiller; 174-second chiller; 180-second clear riser; 190-a second blind riser; 195-a third blind riser; 200-hook casting system; 210-a first mold die; 211 — a first upper mold; 212-first lower mold; 213-first hook head; 214-a first shank; 215-first hook tail; 220-second casting mould; 221-a second upper die; 222-a second lower die; 223-a second hook head; 224-a second shank; 225-second hook tail; 232-a third patch; 234-a fourth patch; 242-a fifth patch; 244-sixth patch; 250-a gating system; 260-third rising head; 270-fourth open riser; 280-fourth blind riser; 290-fifth blind riser.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

First embodiment

Referring to fig. 1 and 2, the present embodiment provides a hook casting system 100, which includes a mold 110, a first patch 120, a second patch 130, a gating system 140, a first dead head 150, and at least one first blind head 160.

In this embodiment, the mold 110 includes an upper mold 111 and a lower mold 112, and the upper mold 111 and the lower mold 112 are fastened to form a hook cavity, wherein the shape of the cavity is the shape of a hook to be cast. The mold 110 further includes a hook head 113, a hook body 114, and a hook tail 115, wherein one end of the hook body 114 is connected to the hook head 113, and the other end of the hook body 114 opposite to the hook head 113 is connected to the hook tail 115, wherein in an embodiment of the present embodiment, the hook head 113, the hook body 114, and the hook tail 115 are integrally formed.

First apparent riser 150 is located hook body 114 go up mould 111 and keep away from lower mould 112 one side, just first apparent riser 150 with the coupler body cavity intercommunication, wherein, first apparent riser 150 is the riser that mould 111 was gone up in the direction of height link up, and its is made simply, and the molding is convenient, has better benefit and exhaust effect, can observe the type the pouring condition in the coupler body cavity. As an embodiment of this embodiment, the first open riser 150 is located in the middle of the hook body 114, that is, the first open riser 150 is located at the same distance from the hook head 113 and the hook tail 115.

In this embodiment, at least one first blind riser 160 is located on a surface of the hook body 114, which is far away from the lower mold 112, of the upper mold 111, and the first blind riser 160 is communicated with the hook body cavity, wherein, as a preferable mode of this embodiment, the number of the first blind risers 160 is two, one first blind riser 160 is disposed between the first blind riser 150 and the hook head 113, and the other first blind riser 160 is disposed between the first blind riser 150 and the hook tail 115.

In one mode, the first open riser 150 and the two first blind risers 160 are enlarged ordinary risers, that is, the first open riser 150 and the first blind riser 160 are made of ordinary materials, and the ordinary risers are used to replace exothermic heat-insulating risers, so that the production cost can be reduced, and the waste of resources can be reduced. The arrangement of the first open riser 150 and the two first blind risers 160 is beneficial to increasing the feeding amount of the casting, and simultaneously, the gas discharge and sand floating of the casting in the pouring process are greatly improved, so that air holes and shrinkage cavities are prevented from being generated.

By one approach, the gating system 140 is located on one side of the mold 110, and the gating system 140 communicates with a hook cavity located at the upper die 111 of the hook body 114. The gating system 140 includes a pouring cup 142, an inner pouring gate 144 and a sprue 146, wherein the pouring cup 142 is communicated with the sprue 146, the inner pouring gate 144 is respectively communicated with the sprue 146 and the hook cavity at the upper mold 111 of the hook body 114 of the mold 110, and air entrainment and air holes generation during pouring can be prevented by arranging the water inlet position of the inner pouring gate 144 at the hook cavity at the upper mold 111 of the hook body 114. In this embodiment, the gating system 140 controls the speed of the molten metal filling the mold die 110 to make the molten metal smoothly enter the mold, avoid turbulence and washing of the mold die 110, and prevent slag and other impurities from entering the mold die 110. The total cross-sectional area of the ingate 144 and the total cross-sectional area of the sprue 146 are a reference standard of the gating system 140, and can also affect the quality of castings, in one implementation mode of the embodiment, the cross-sectional area of the ingate 144 is 4800mm2, and compared with the existing casting system, the embodiment reduces the cross-sectional area of the ingate 144, can prevent air entrainment in the pouring process, and can prevent air holes.

In this embodiment, the first patch 120 is located on the same side as the runner system 140 and is in communication with the first dead head 150 and the runner system 140, respectively, it being understood that the first patch 120 is in communication with the ingate 144 of the runner system 140. The second patch 130 is located on the opposite side of the mold die 110 from the runner system 140 and communicates with the hook cavity at the first open riser 150 and the hook body 114, respectively. The addition of the first patch 120 on one side of the ingate 144 and the addition of the second patch 130 on the corresponding portion of the ingate 144 opposite to the side casting mold 110 are beneficial to feeding of the casting near the ingate 144 in the later solidification process, and prevent shrinkage cavity and shrinkage porosity. As a mode, a patch is added on one side of the ingate 144 and the side opposite to the ingate 144, the side riser at the hook body 114 is removed, and the defect of shrinkage cavity above the casting at the position caused by an improper side riser is effectively avoided.

By way of example, the hook casting system 100 further includes a plurality of first chills 172 and a plurality of second chills 174, the plurality of first chills 172 being disposed at the hook head 113 and the plurality of second chills 174 being disposed at the hook tail 115. The casting is not uniform in wall thickness of each part due to the structural requirement, and the cooling speed of each part of the same casting is different due to the fact that some parts are thick, the cooling speed is slow in the cooling process, some parts are thin, and the cooling speed is fast in the cooling process. In this embodiment, the first chiller 172 is used to increase the cooling rate during the pouring of the hook head 113, and the second chiller 174 is used to increase the cooling rate during the pouring of the hook tail 115. The first chilling block 172 and the second chilling block 174 are used for preventing the hook head 113 and the hook tail 115 from shrinkage cavity and shrinkage porosity during the casting process of the hook body, and the production quality of the hook body is guaranteed to play an important role. Meanwhile, the cold iron at the position of the hook body 114 is omitted, so that the production cost is reduced, and the resource waste is reduced.

In one embodiment of this embodiment, the hook casting system 100 further comprises a second blind riser 180, a second blind riser 190, and a third blind riser 195. The second open riser 180 is located on a surface of the hook tail 115 of the upper die 111, which is far away from the lower die 112, and the second open riser 180 is communicated with the hook body cavity. The second blind riser 190 is located on a side of the upper mold 111 of the hook head 113 away from the lower mold 112, and the second blind riser 190 is in communication with the hook body cavity. The third blind riser 195 is located at one side of the junction of the hook head 113 and the hook body 114, and the third blind riser 195 is communicated with the hook body cavity. In one mode, the second dead head 180, the second dead head 190 and the third dead head 195 are common dead heads, so that the production cost is saved, and the waste of resources is reduced.

Referring to fig. 3 and 4, an embodiment of the present invention further provides a hook casting system 200, which includes a first mold die 210, a second mold die 220, a third patch 232, a fourth patch 234, a fifth patch 242, a sixth patch 244, a runner system 250, a third open riser 260, a fourth open riser 270, at least one fourth blind riser 280, and at least one fifth blind riser 290.

The first casting mold 210 includes a first upper mold 211 and a first lower mold 212, the first upper mold 211 and the first lower mold 212 are fastened to form a first hook cavity, the first casting mold 210 further includes a first hook 213, a first hook 214, and a first hook tail 215, one end of the first hook 214 is connected to the first hook 213, and the other end of the first hook 214 opposite to the first hook 213 is connected to the first hook tail 215. The second casting mold 220 further includes a second upper mold 221 and a second lower mold 222, the second upper mold 221 and the second lower mold 222 are fastened to form a second hook cavity, the second casting mold 220 further includes a second hook head 223, a second hook body 224 and a second hook tail 225, one end of the second hook body 224 is connected to the second hook head 223, and the other end of the second hook body 224 opposite to the second hook head 223 is connected to the second hook tail 225. As an embodiment of this embodiment, the first hook head 213 and the second hook tail 225 are disposed opposite to each other, and the second hook head 223 and the first hook tail 215 are disposed opposite to each other, so that the space utilization is more sufficient.

In one way, the third dead head 260 and at least one fourth dead head 280 are located on a side of the first upper die 211 of the first hook body 214 away from the first lower die 212, and the third dead head 260 and at least one fourth dead head 280 are in communication with the first hook body cavity. The fourth dead head 270 and the at least one fifth dead head 290 are located on a side of the second upper mold 221 of the second hook body 224 away from the second lower mold 222, and the fourth dead head 270 and the at least one fifth dead head 290 are in communication with the second hook body cavity.

In the present embodiment, the gating system 250 is located between the first mold die 210 and the second mold die 220, and the gating system 250 is communicated with the first hook cavity at the first upper die 211 of the first hook body 214 and the second hook cavity at the second upper die 221 of the second hook body 224, it can be understood that the gating system 250 can simultaneously gate the first mold die 210 and the second mold die 220, which saves resources and increases production efficiency.

In one way, the third patch 232 is located on the same side as the gating system 250, and the third patch 232 is in communication with the third open top 260 and the gating system 250, respectively. The fourth patch 234 is located on the opposite side of the first mold die 210 from the runner system 250, and the fourth patch 234 communicates with the third open head 260 and the first hook cavity at the first hook body 214, respectively. The fifth patch 242 is located on the same side as the gating system 250, and the fifth patch 242 is in communication with the fourth open riser 270 and the gating system 250, respectively. The sixth patch 244 is located on the opposite side of the second mold die 220 from the runner system 250, and the sixth patch 244 communicates with the second hook cavity at the fourth open riser 270 and the second hook body 224, respectively.

The hook body casting system 100 provided by the invention comprises a casting mold 110, a first patch 120, a second patch 130, a gating system 140, a first dead head 150 and at least one first blind head 160, wherein the casting mold 110 comprises an upper mold 111, a lower mold 112, a hook head 113, a hook body 114 and a hook tail 115, and the upper mold 111 and the lower mold 112 are buckled to form a hook body cavity. The gating system 140 includes a sprue cup 142, an ingate 144, and a sprue 146, wherein the sprue cup 142 is in communication with the sprue 146, and the ingate 144 is in communication with the sprue 146 and a hook cavity at the upper die 111 of the hook body 114, respectively. According to the invention, the first open riser 150 and the at least one first blind riser 160 are arranged on the surface, far away from the lower die 112, of the upper die 111 of the hook body 114, so that the gas discharge and sand floating in the pouring process are improved, the generation of air holes and shrinkage cavities is prevented, the first patching part 120 is added on one side of the inner pouring channel 144 of the pouring system 140, the second patching part 130 is added on the other side, opposite to the inner pouring channel 144, of the inner pouring channel 144, the feeding of accessories of the inner pouring channel 144 is prevented, the generation of shrinkage cavities and shrinkage cavities is prevented, the air entrainment and the generation of air holes in the pouring process are prevented by changing the sectional area of the inner pouring channel 144, and meanwhile, the riser of the hook body casting system 100 adopts a common riser, so that the production cost is reduced.

In summary, the present invention provides a hook casting system 100, which includes a mold 110, a first patch 120, a second patch 130, a gating system 140, a first open riser 150, and at least one first blind riser 160, wherein the mold 110 includes an upper mold 111, a lower mold 112, a hook 113, a hook 114, and a hook tail 115, the upper mold 111 and the lower mold 112 are fastened to form a hook cavity, one end of the hook 114 is connected to the hook 113, and the other end is connected to the hook tail 115. Wherein, the surface of the upper die 111 of the hook body 114 far away from the lower die 112 is provided with a first open riser 150 and at least one first blind riser 160, so that the gas emission and sand floating in the pouring process are improved, and the generation of air holes and shrinkage cavities is prevented. The addition of the first patch 120 on one side of the runner system 140 and the addition of the second patch 130 on the opposite side of the runner system 140 prevents feeding during the later period of solidification and prevents shrinkage cavities and shrinkage porosity. The gating system 140 is communicated with the hook cavity at the upper die 111 of the hook body 114, so that air holes are prevented from being generated by air entrainment in the gating process.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hook body casting system is characterized by comprising a casting mold, a first patching part, a second patching part, a pouring system, a first open riser and at least one first blind riser, wherein the casting mold comprises an upper mold and a lower mold which are buckled to form a hook body cavity, the casting mold further comprises a hook head, a hook body and a hook tail, one end of the hook body is connected with the hook head, and the other end, opposite to the hook head, of the hook body is connected with the hook tail;

the first open riser and the at least one first blind riser are located on one surface, away from the lower die, of the upper die of the hook body, and the first open riser and the at least one first blind riser are communicated with the hook body cavity;

the pouring system is positioned on one side of the casting mold and is communicated with the hook body cavity positioned at the upper mold of the hook body;

the first patching part is positioned on the same side with the gating system and is respectively communicated with the first open riser and the gating system;

the second patching part is positioned on one side of the casting mold opposite to the gating system and is respectively communicated with the first open riser and the hook body cavity at the hook body.

2. The hook casting system according to claim 1, wherein the gating system includes a sprue cup in communication with the sprue, an ingate in communication with the sprue and the hook cavity at the upper die of the hook body of the mold and the sprue, respectively.

3. The hook casting system according to claim 2, wherein the ingate has a cross-sectional area of 4800mm²。

4. The hook casting system according to claim 1, wherein the number of the first blind risers is two, and two first blind risers are respectively disposed on both sides of the first open riser, and the first open riser is disposed in a middle portion of the upper mold.

5. The hook casting system of claim 1, further comprising a plurality of first chills disposed at the hook head and a plurality of second chills disposed at the hook tail.

6. The hook casting system according to claim 1, further comprising a second open riser located on a side of the upper die of the hook tail distal from the lower die and in communication with the hook cavity.

7. The hook casting system according to claim 6, further comprising a second blind riser located on a side of the upper die of the hook head remote from the lower die and in communication with the hook cavity.

8. The hook casting system of claim 7, further comprising a third blind riser located on one side of the junction of the hook head and the hook body, the third blind riser communicating with the hook body cavity.

9. The hook casting system of claim 8, wherein the first open riser, the second open riser, the first blind riser, the second blind riser, and the third blind riser are conventional risers.

10. The hook casting system according to claim 1, comprising a first mold die, a second mold die, a third patch, a fourth patch, a fifth patch, a sixth patch, a casting system, a third open riser, a fourth open riser, at least one fourth blind riser, and at least one fifth blind riser, wherein the first mold die comprises a first upper die and a first lower die, the first upper die and the first lower die are fastened to form a first hook cavity, the second mold die comprises a second upper die and a second lower die, the second upper die and the second lower die are fastened to form a second hook cavity, the first mold die further comprises a first hook head, a first hook body, and a first hook tail, one end of the first hook body is connected to the first hook head, and the other end of the first hook body opposite to the first hook head is connected to the first hook tail, the second casting mold further comprises a second hook head, a second hook body and a second hook tail, one end of the second hook body is connected with the second hook head, the other end, opposite to the second hook head, of the second hook body is connected with the second hook tail, the first hook head and the second hook tail are arranged oppositely, and the second hook head and the first hook tail are arranged oppositely;

the third open riser and the at least one fourth blind riser are located on one surface, away from the first lower die, of the first upper die of the first hook body, and the third open riser and the at least one fourth blind riser are communicated with the first hook body cavity;

the fourth open riser and the at least one fifth blind riser are located on one surface, away from the second lower die, of the second upper die of the second hook body, and the fourth open riser and the at least one fifth blind riser are communicated with the second hook body cavity;

the pouring system is positioned between the first casting mold and the second casting mold and is respectively communicated with the first hook body cavity at the first upper mold of the first hook body and the second hook body cavity at the second upper mold of the second hook body;

the third patching part is positioned on the same side with the gating system and is respectively communicated with the third open riser and the gating system;

the fourth patching part is positioned on one side of the first casting mold opposite to the gating system and is respectively communicated with the third open riser and the first hook body cavity at the first hook body;

the fifth patching part is positioned on the same side with the gating system and is respectively communicated with the fourth open riser and the gating system;

the sixth patching part is positioned on one side of the second casting mold opposite to the gating system and is respectively communicated with the fourth open riser and the second hook body cavity at the second hook body.