CN-224222670-U - Split scratch-proof side die structure

Abstract

The utility model relates to the field of aluminum alloy hub casting dies and discloses a split scratch-proof side die structure which comprises a side die body, wherein a split die opening is formed in the side die body, the split die opening obliquely penetrates through the side die body corresponding to the spoke root and the rim part molded line of a hub blank, and a split module is connected in a sliding manner in the split die opening, so that the split module can not synchronously act with the side die body. When the utility model is used, the split module can move backwards in advance over the side die body, and moves backwards upwards obliquely under the guiding action of the inclined split die opening, thereby reducing the friction action with the wheel hub root and the wheel rim part of the wheel hub blank, and improving the problems of easy scratch and blank deformation of the wheel spoke root and the wheel rim part caused by the bending molded line structure of the wheel spoke root and the wheel rim part. The cooling insert and the cooling water channel are arranged, so that the temperature conduction of the spoke root of the hub blank is accelerated, the cooling efficiency of the spoke root is improved, and the problem that shrinkage porosity is easy to generate at the spoke root is solved.

Inventors

• WANG PENGKUN
• ZHANG DIANJIE
• ZHANG HAIFENG
• ZHANG YU
• ZHAO JIANJUN
• LIU ZHICHENG

Assignees

• 秦皇岛兴龙轮毂有限公司

Dates

Publication Date

20260512

Application Date

20250520

Claims (6)

1. 1. The split scratch-proof side die structure is characterized by comprising a side die body (10), wherein a die splitting opening (11) is formed in the side die body (10), the die splitting opening (11) obliquely penetrates through the side die body (10) corresponding to the spoke root and the rim part molded line of a hub blank, a split module (20) is connected in the die splitting opening (11) in a sliding mode, so that the split module (20) can not synchronously act with the side die body (10), and the front end of the split module (20) is manufactured according to the spoke root and the rim part of the hub blank.
2. 2. The split scratch-proof side mold structure of claim 1, wherein the tail end of the split mold (20) is connected with a split mold cylinder (21) as power for the split mold (20) to move forward in the split mold opening (11) and move back to the mold, and the telescopic end of the split mold cylinder (21) is connected with the split mold (20) and the tail end of the split mold cylinder is connected with the side mold body (10).
3. 3. The split scratch-proof side mold structure of claim 1, wherein a cooling insert (22) is arranged in the split mold (20), and the cooling insert (22) is made of a material with a heat conductivity coefficient higher than that of mold steel so as to accelerate temperature conduction of the spoke root of the hub blank.
4. 4. The split scratch-proof side mold structure of claim 1, wherein a cooling water channel (23) is formed in the split mold (20) and used for improving cooling efficiency of the split mold (20), and the cooling water channel (23) comprises a water inlet (24) and a water outlet (25) which are respectively communicated with the split mold (20).
5. 5. The split scratch-proof side die structure of claim 1, wherein a positioning structure is arranged at the tail end of the split die block (20) and used for positioning and connecting the split die block (20) with the side die body (10), the positioning structure comprises a wedge-shaped positioning block (26) fixedly connected with the split die block (20), a positioning groove is formed in the side die body (10) corresponding to the wedge-shaped positioning block (26), and the wedge-shaped positioning block (26) is in plug-in fit with the positioning groove.
6. 6. The split scratch-proof side mold structure as claimed in claim 5, wherein the positioning structure further comprises a limiting plate (27) arranged at the tail end of the split module (20) for limiting the stroke of the split module (20) in the split opening (11).

Description

Split scratch-proof side die structure Technical Field The utility model relates to the technical field of aluminum alloy hub casting molds, in particular to a split scratch-proof side mold structure. Background After the aluminum alloy hub blank is cast in the mould, the mould is opened to eject the hub blank. When the mould is opened, the side die oil cylinder pulls the side die to be opened in a scattered way, and separating the side die from the hub blank. In the process, because the spoke root and the rim part of the hub blank are provided with bent molded line structures, when the side mold is horizontally moved outwards to be opened, the spoke root and the rim part are easily scratched, and even the blank is deformed, so that the blank offline quality is influenced. Meanwhile, the spoke root of the hub blank is used as a hot joint area in the casting process, and shrinkage porosity defects are easily generated due to high casting thickness and low cooling speed, so that the casting quality of the hub is affected. There is no solution in the prior art that significantly improves the above problems. In view of this, developing a novel split scratch-proof side die structure for practical production is a current problem to be solved. Disclosure of utility model The utility model aims to solve the problems, and provides a split scratch-proof side die structure, which solves the problems that the root of a wheel hub blank spoke and the wheel rim are scratched and deformed easily in the use process of the existing side die, and solves the problems that the existing side die has insufficient cooling on the root of the spoke and is easy to generate shrinkage porosity defects. In order to solve the technical problems, the utility model adopts the following technical scheme: The utility model provides a split type scratch prevention side form structure, includes the side form body, offered the split die mouth on the side form body, the side form body is run through in the spoke root and rim position molded line slant of split die mouth corresponding wheel hub blank, and sliding connection has split module in the split die mouth, makes split module can not move with the side form body in step, the front end of split module is according to the spoke root and the rim position random type preparation of wheel hub blank. Preferably, the tail end of the split module is connected with a split oil cylinder as power for the split module to move forward in the split port for clamping and then move away from the die, the telescopic end of the split oil cylinder is connected with the split module, and the tail end of the split oil cylinder is connected with the side die body. Preferably, a cooling insert is arranged in the split module, and the cooling insert is made of a material with a heat conductivity coefficient higher than that of die steel so as to accelerate the temperature conduction of the wheel hub blank spoke root. Preferably, a cooling water channel is arranged in the split module and used for improving the cooling efficiency of the split module, and the cooling water channel comprises a water inlet and a water outlet which are respectively communicated with the split module. Preferably, the tail end of the split module is provided with a positioning structure for positioning connection of the split module and the side die body, the positioning structure comprises a wedge-shaped positioning block fixedly connected with the split module, a positioning groove is formed in the side die body corresponding to the wedge-shaped positioning block, and the wedge-shaped positioning block is in plug-in fit with the positioning groove. Preferably, the positioning structure further comprises a limiting plate arranged at the tail end of the split module and used for limiting the stroke of the split module in the split opening. The side die has the beneficial effects that the split module is arranged on the side die body, and the split module can not synchronously act with the side die body. When the die is opened, the split module and the side die body are separated from the hub blank independently, the split module moves backwards in advance in preference to the side die body, and moves backwards upwards obliquely under the guiding action of the inclined split die opening, so that the friction effect between the split module and the hub root and the rim part of the hub blank is reduced, and the problems of scratch and blank deformation of the spoke root and the rim part caused by the bending line structure of the spoke root and the rim part when the side die moves horizontally outwards are solved. The cooling insert and the cooling water channel are arranged, so that the temperature conduction of the spoke root of the hub blank is accelerated, the cooling efficiency of the spoke root is improved, and the problem that shrinkage porosity is easy to generate at the spoke root is solved. Meanwhile, the cooling insert and the c