Sprue spreader for hub casting mold

Abstract

The utility model is applicable to the technical field of production of automobile parts, and provides a wheel hub casting mold sprue spreader which comprises a spreader body, a sprue spreader body and a sprue spreader body, the spreader body comprises a spreader head, and the spreader head is located at the bottom end of the spreader body; wherein the conical head is provided with a plurality of flow dividing grooves, the flow dividing grooves are annularly distributed at equal intervals, and the flow dividing grooves are used for guiding molten metal to a cavity of a spoke part of a corresponding hub casting in the casting mold; a baffle ring block is arranged on the outer wall of the cone, and the baffle ring block and the cone are integrally formed. According to the hub casting mold sprue spreader provided by the scheme, molten metal can be more uniformly shunted, the water cooling effect of the sprue spreader is enhanced through the liquid injection channel and the liquid return channels, and the water cooling efficiency of the sprue spreader is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts production, in particular to a hub casting mold splitter cone. Background Art

[0002] The automobile wheel hub is the part of the automobile wheel center where the axle is installed. It is used to support the tire, buffer external impact, achieve contact between the tire and the road, and ensure the driving performance of the vehicle. The automobile wheel hub is cast by pouring molten metal into the mold, and then undergoes subsequent processing. When using a mold to cast the wheel hub, a diverter cone is sometimes required.

[0003] The function of the diverter cone is to prevent the molten metal from directly hitting the mold wall when entering the casting mold cavity, to avoid excessive metal accumulation at the bottom of the sprue, to make the molten metal flow smoothly at the corners, and to adjust the end area of ​​the sprue by changing the size of the diverter cone.

[0004] However, the existing splitter cone has the disadvantage of uneven metal liquid splitting, which leads to unstable quality of the cast wheel hub, and the splitter cone is water-cooled through a single channel, which has low cooling efficiency and poor cooling effect. Utility Model Content

[0005] In order to solve the technical problems that the existing splitter cone has uneven metal liquid splitting, resulting in unstable quality of the cast wheel hub, and the splitter cone is cooled by water through a single channel, but the cooling efficiency is low, the utility model provides a splitter cone of a wheel hub casting mold.

[0006] The utility model is implemented as follows: a hub casting mold diverter cone comprises: a cone, the cone includes a cone head, the cone head is located at the bottom end of the cone; wherein the cone head is provided with a plurality of diverter grooves, the plurality of diverter grooves are distributed in a ring shape with equal spacing, the diverter grooves are used to guide the molten metal to the cavity of the spoke part of the corresponding hub casting in the casting mold; a retaining ring block is provided on the outer wall of the cone, and the retaining ring block is integrally formed with the cone.

[0007] Preferably, a plurality of pin blocks are arranged on the outer wall of the retaining ring block, the plurality of pin blocks are distributed in a ring shape with equal intervals, and the pin blocks are integrally formed with the retaining ring block.

[0008] Preferably, a liquid injection channel and a plurality of liquid return channels are provided at the top end of the cone, and the bottom end of the liquid injection channel is connected to the plurality of liquid return channels.

[0009] Preferably, a connecting thread groove is provided on the inner wall of the injection channel close to the top end, and the connecting thread groove is used for installing a liquid injection pipe for cooling.

[0010] Preferably, a first external thread is provided on the outer wall of the cone near the top and an upper cover is threadedly mounted thereon, a movable hole connected to the injection channel is provided on the top of the upper cover, the movable hole is used for passing a cooling injection pipe, two return liquid pipe interfaces are provided on the upper cover, and a second external thread for mounting a return liquid pipe is provided on the outer walls of the two return liquid pipe interfaces.

[0011] Preferably, an annular confluence groove is provided on the inner wall of the upper cover, and the annular confluence groove is connected to the communicating holes of the two liquid return pipe interfaces and the plurality of liquid return channels.

[0012] Preferably, the cone head and the cone body are formed integrally.

[0013] Preferably, an annular connecting groove is formed on the cone head, and the annular connecting groove is connected to the plurality of diversion grooves.

[0014] Compared with the related art, the hub casting mold splitter cone provided by the utility model has the following beneficial effects:

[0015] In the utility model, a plurality of diversion grooves are arranged on the cone head at the bottom end of the cone to guide the molten metal to the cavity of the spoke part of the corresponding hub casting in the casting mold, so that the molten metal is diverted more evenly, and by arranging a liquid injection channel and a plurality of liquid return channels, the water cooling effect of the diversion cone is enhanced when the diversion cone is water-cooled, and the water cooling efficiency of the diversion cone is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the front view and cross-section structure of a hub casting mold splitter cone provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the front cross-sectional structure after the middle upper cover and the cone are disassembled;

[0018] Figure 3 This is a front view structural diagram of the cone in the utility model;

[0019] Figure 4 for Figure 1 A schematic diagram of the cross-sectional structure of the middle BB from top view;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the upper cover in the utility model;

[0021] Figure 6 for Figure 1 Schematic diagram of the AA cross-sectional structure viewed from above.

[0022] Figure numerals: 1, cone; 2, cone head; 3, diverter groove; 4, retaining ring block; 5, pin block; 6, injection channel; 7, return liquid channel; 8, connecting thread groove; 9, upper cover; 10, movable hole; 11, annular confluence groove; 12, return liquid pipe interface; 13, connecting hole; 14, first external thread; 15, annular connecting groove. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] The utility model embodiment provides a hub casting mold splitter cone, such as Figure 1-6 As shown, the diverter cone of the hub casting mold includes: a cone 1, wherein the cone 1 includes a cone head 2, and the cone head 2 is located at the bottom end of the cone 1; wherein the cone head 2 is provided with a plurality of diverter grooves 3, and the plurality of diverter grooves 3 are distributed in a ring shape with equal intervals, and the diverter grooves 3 are used to guide the molten metal to the cavity of the spoke part of the corresponding hub casting in the casting mold; a retaining ring block 4 is provided on the outer wall of the cone 1, and the retaining ring block 4 is integrally formed with the cone 1.

[0026] It should be noted that a diverter cone is sometimes needed when using a mold to cast automobile wheels. The function of the diverter cone is to prevent the molten metal from directly hitting the mold wall when entering the casting mold cavity, to avoid excessive metal accumulation at the bottom of the sprue, to make the molten metal flow smoothly at the corner, and to adjust the end area of ​​the sprue by changing the size of the diverter cone. However, the existing diverter cone has the disadvantage of uneven diversion of the molten metal, resulting in unstable quality of the cast wheel, and the diverter cone is cooled by water through a single channel, which has low cooling efficiency and poor cooling effect.

[0027] In this scheme, if Figure 1As shown, when the molten metal sprays upward from the bottom of the cone head 2, it disperses from the tip of the cone head 2 to the surroundings, and is diverted to the corresponding cavity of the spoke part of the hub casting in the casting mold through each diverter groove 3, and is evenly injected into the cavity in the mold. The retaining ring block 4 is used to block the upper mouth of the molten metal injection port in the mold when installing the diverter cone, so that the molten metal disperses to the surroundings through the cone head 2, and through multiple diverter grooves 3, the molten metal is diverted more evenly.

[0028] In a further preferred embodiment of the utility model, a plurality of pin blocks 5 are arranged on the outer wall of the retaining ring block 4 , the plurality of pin blocks 5 are distributed in a ring shape with equal intervals, and the pin blocks 5 are integrally formed with the retaining ring block 4 .

[0029] In this embodiment, when the splitter cone is installed in the wheel hub casting mold, the pin block 5 corresponds to the corresponding pin groove in the mold, so that the pin block 5 is just pinned into the pin groove, thereby achieving positioning and installation of the splitter cone.

[0030] In a further preferred embodiment of the utility model, a liquid injection channel 6 and a plurality of liquid return channels 7 are opened at the top of the cone 1 , and the bottom end of the liquid injection channel 6 is connected to the plurality of liquid return channels 7 .

[0031] In this embodiment, when the splitter cone is water-cooled, cold water is transported into the injection channel 6, and the cold water flows from the bottom end of the injection channel 6 into each return channel 7, thereby cooling the splitter cone during the flow of the cold water.

[0032] In a further preferred embodiment of the present invention, a connecting thread groove 8 is provided on the inner wall of the injection channel 6 near the top, and the connecting thread groove 8 is used for installing an injection pipe for cooling.

[0033] In this embodiment, a liquid injection pipe is installed on the connecting thread groove 8 of the liquid injection channel 6, and cold water is injected through the liquid injection pipe, so as to cool the diverter cone.

[0034] In a further preferred embodiment of the utility model, a first external thread 14 is provided on the outer wall of the cone 1 near the top and an upper cover 9 is threadedly mounted thereon, a movable hole 10 connected to the injection channel 6 is provided on the top of the upper cover 9, and the movable hole 10 is used for passing a cooling injection pipe through the upper cover 9, and two return liquid pipe interfaces 12 are provided on the upper cover 9, and a second external thread for mounting a return liquid pipe is provided on the outer walls of the two return liquid pipe interfaces 12.

[0035] In this embodiment, the liquid return pipe is installed through the liquid return pipe interface 12 provided on the upper cover 9, so that the hot water cooled by the diverter cone can flow back from the liquid return pipe.

[0036] In a further preferred embodiment of the utility model, an annular confluence groove 11 is opened on the inner wall of the upper cover 9, and the annular confluence groove 11 is connected to the connecting holes 13 of the two liquid return pipe interfaces 12 and the plurality of liquid return channels 7.

[0037] In this embodiment, after cold water is injected through the injection channel 6, the cold water enters each return liquid channel 7, cools the diverter cone, and then circulates in the annular confluence groove 11, and then is transported to the two return liquid pipes through the two return liquid pipe interfaces 12 to discharge the hot water.

[0038] In a further preferred embodiment of the present invention, the cone head 2 and the cone body 1 are integrally formed.

[0039] In this embodiment, the integrally formed cone head 2 and cone body 1 constitute the main body of the diverter cone, which does not require disassembly and assembly, and is relatively simple to manufacture.

[0040] In a further preferred embodiment of the utility model, an annular connecting groove 15 is provided on the cone head 2 , and the annular connecting groove 15 is connected to the plurality of diverter grooves 3 .

[0041] In this embodiment, the molten metal is diverted from each diverter groove 3 to the corresponding cavity of the spoke part of the hub casting in the mold, and the annular connecting groove 15 can divert the molten metal with a larger flow in the diverter groove 3 to the cavity of the spoke part of the hub casting corresponding to the diverter groove 3 with a smaller flow, thereby making the molten metal diverter more uniform and improving the casting quality of the hub.

[0042] In summary, the utility model provides a plurality of diversion grooves 3 to make the metal liquid diversion more uniform, and enhances the water cooling effect of the diversion cone through the injection channel 6 and the plurality of return channels 7, thereby improving the water cooling efficiency of the diversion cone.

[0043] Compared with the related art, in the utility model, a plurality of diverter grooves 3 are provided on the cone head 2 at the bottom end of the cone 1 to guide the molten metal to the cavity of the spoke part of the corresponding hub casting in the casting mold, so that the molten metal is diverted more evenly, and a liquid injection channel 6 and a plurality of liquid return channels 7 are provided to enhance the water cooling effect of the diverter cone when the diverter cone is water cooled, thereby improving the water cooling efficiency of the diverter cone.

[0044] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, such as the division of the above-mentioned units, which is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0045] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A hub casting mold splitter cone, characterized in that: include: A cone (1), wherein the cone (1) comprises a cone head (2), and the cone head (2) is located at the bottom end of the cone (1); The cone head (2) is provided with a plurality of diverter grooves (3), the plurality of diverter grooves (3) are distributed in a circular shape with equal spacing, and the diverter grooves (3) are used to guide the molten metal to the corresponding cavity of the spoke part of the hub casting in the casting mold; A retaining ring block (4) is provided on the outer wall of the cone (1), and the retaining ring block (4) is integrally formed with the cone (1).

2. The hub casting mold splitter cone according to claim 1, characterized in that: A plurality of pin blocks (5) are arranged on the outer wall of the retaining ring block (4), the plurality of pin blocks (5) are distributed in a ring shape at equal intervals, and the pin blocks (5) and the retaining ring block (4) are integrally formed.

3. The hub casting mold splitter cone according to claim 1, characterized in that: The top of the cone (1) is provided with a liquid injection channel (6) and a plurality of liquid return channels (7), and the bottom end of the liquid injection channel (6) is connected to the plurality of liquid return channels (7).

4. The hub casting mold splitter cone according to claim 3, characterized in that: A connecting thread groove (8) is provided on the inner wall of the injection channel (6) near the top end, and the connecting thread groove (8) is used for installing a cooling injection pipe.

5. The hub casting mold splitter cone according to claim 4, characterized in that: The cone (1) is provided with a first external thread (14) on its outer wall near the top and is threadedly mounted with an upper cover (9); a movable hole (10) connected to the liquid injection channel (6) is provided on the top of the upper cover (9); the movable hole (10) is used for passing a liquid injection pipe for cooling; the upper cover (9) is provided with two liquid return pipe interfaces (12); and second external threads for mounting the liquid return pipe are provided on the outer walls of the two liquid return pipe interfaces (12).

6. The hub casting mold splitter cone according to claim 5, characterized in that: An annular confluence groove (11) is provided on the inner wall of the upper cover (9), and the annular confluence groove (11) is connected to the communicating holes (13) of the two liquid return pipe interfaces (12) and the plurality of liquid return channels (7).

7. The hub casting mold splitter cone according to claim 1, characterized in that: The cone head (2) and the cone body (1) are integrally formed.

8. The hub casting mold splitter cone according to claim 1, characterized in that: The cone head (2) is provided with an annular connecting groove (15), and the annular connecting groove (15) is connected to the plurality of diversion grooves (3).

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