Self-adaptive adjustable cavity core mold for die casting of automobile parts

By designing an adjustable core ring and hydraulic system on the core mold, the problem of the fixed structure of the traditional core mold is solved, enabling the die casting of multi-specification parts and improving the flexibility and efficiency of production.

CN223629489UActive Publication Date: 2025-12-05NANTONG DONGKE MOULD CO LTD
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Patent Information

Application Number
CN202423164231.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-21
Publication Date
2025-12-05
Estimated Expiration
2034-12-21

AI Technical Summary

Technical Problem

Traditional die-casting molds for automotive parts are usually fixed structures, which cannot be used to die-cast parts of different specifications, thus limiting the applicability of the molds.

Method used

An adaptive adjustable cavity core mold was designed. By fitting multiple layers of adjustable core rings on the surface of the fixed core column and adjusting the extension and retraction of the core rings using a hydraulic system, die casting of parts of different specifications can be achieved.

Benefits of technology

This technology enables the die casting of various specifications of parts using a single core mold, improving production flexibility and efficiency while reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a self-adaptive adjustable cavity core mold for automobile part die-casting, which belongs to the technical field of automobile part die-casting and comprises a mounting platform, four support columns are fixedly mounted at the top of the mounting platform, a mounting top plate is fixedly mounted at the tops of the support columns, guide rods are fixedly mounted at the bottom of the mounting top plate, and the guide rods are fixedly mounted at the bottom of the mounting top plate. And a movable top die is mounted on the surface of the guide rod in a sliding manner. According to the self-adaptive adjustable cavity core mold for die casting of the automobile parts, the surface of the fixed mold core column is sleeved with three layers of adjusting mold core rings, the adjusting mold core rings are sequentially contained in the mounting grooves from the outer layer, the overall size of the adjusting mold core rings on the surface of the fixed mold core column is changed, and the specification and size of the die-casting parts are adjusted; according to the cavity core mold for automobile part die-casting, annular parts of various specifications can be die-cast, and the problem that a traditional cavity core mold for automobile part die-casting is generally of a fixed structure, and only parts of the same specification can be die-cast through one mold is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts die casting, in particular to a self-adaptive adjustable cavity core die for automobile parts die casting. BACKGROUND

[0002] Automobile parts die casting is a technology that uses die casting process to produce automobile parts. This technology uses machines, molds, and alloys to fill the casting mold with molten metal at high pressure and high speed, and crystallizes and solidifies under high pressure to form a casting. Integrated die casting is an advanced manufacturing technology that realizes the integrated forming of multiple aluminum alloy parts through vacuum high-pressure die casting process. This technology significantly improves production efficiency, reduces cost, and reduces the number of parts and welding points, thereby reducing the weight of the vehicle body and improving vehicle performance.

[0003] Magnesium alloy is known for its light weight, high strength, and good thermal conductivity, making it suitable for manufacturing automobile parts that require high lightness and performance. Magnesium die castings help reduce the overall weight of the vehicle, improving fuel efficiency and handling performance.

[0004] In the die casting production process of automobile parts, the structure and performance of the cavity core die directly affect the quality and production efficiency of the die cast product. However, traditional cavity core dies for automobile parts die casting are usually fixed structures, and a mold can only die cast the same size of parts. Therefore, the self-adaptive adjustable cavity core die for automobile parts die casting is proposed. SUMMARY

[0005] To overcome the shortcomings of the prior art, the self-adaptive adjustable cavity core die for automobile parts die casting has the advantages of adjusting the size of the mold core and die casting different sizes of parts, solving the problem of traditional cavity core dies for automobile parts die casting being usually fixed structures, and a mold can only die cast the same size of parts.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a self-adaptive adjustable cavity core die for automobile parts die casting, comprising a mounting platform, the top of the mounting platform is fixedly installed with four supporting columns, the top of the supporting column is fixedly installed with a mounting top plate, the bottom of the mounting top plate is fixedly installed with a guide rod, the surface of the guide rod is slidably installed with a movable top die, the bottom of the movable top die is provided with a mounting slot, the center of the mounting slot is fixedly installed with a fixed mold core column, the surface of the fixed mold core column is slidably installed with three layers of adjustable mold core rings, and the outer side of the outer layer of the adjustable mold core ring is in contact with the inner side wall of the mounting slot.

[0007] Further, the top of the movable top die is fixedly installed with three groups of adjusting hydraulic cylinders, and the movable end of one adjusting hydraulic cylinder is fixedly connected to the top of the adjusting mold core ring.

[0008] Further, the top of the installation top plate is fixedly installed with a die-casting hydraulic cylinder, and the movable end of the die-casting hydraulic cylinder is fixedly connected with the top of the movable top die.

[0009] Further, the top of the installation platform is fixedly installed with a fixed bottom die, and the top of the fixed bottom die is provided with a die cavity.

[0010] Further, the bottom of the installation platform is fixedly installed with supporting legs at four corners, and the bottom end of the supporting legs is fixedly installed with a bottom plate.

[0011] Further, one side of the fixed bottom die is fixedly installed with an injection interface, and one end of the injection interface is fixedly connected with the output end of external raw material melting equipment.

[0012] Further, the bottom of the installation platform is fixedly installed with a cooling liquid interface, the top end of the cooling liquid interface is in communication with the cooling interface of the fixed bottom die, the other end of the cooling liquid interface is in communication with external cooling equipment, and the top of the fixed bottom die is fixedly installed with a pressure sensor.

[0013] Compared with the prior art, the automobile part die-casting self-adaptive adjustable cavity core die has the following beneficial effects:

[0014] The automobile part die-casting self-adaptive adjustable cavity core die, by sleeving three layers of adjusting die core rings on the surface of the fixed die core column, by sequentially receiving the adjusting die core rings from the outer layer into the installation grooves, the overall size of the adjusting die core rings on the surface of the fixed die core column is changed, the size of the die-casting part is adjusted, so that one automobile part die-casting cavity core die can die-cast ring-shaped parts of multiple sizes, and the problem that the traditional automobile part die-casting cavity core die is usually of a fixed structure and one die can only die-cast parts of the same size is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a structural clamping state view of the utility model;

[0017] Fig. 3 It is a top view of the adjusting die core ring of the utility model;

[0018] Fig. 4 It is a three-dimensional view of the adjusting die core ring of the utility model.

[0019] In the figure: 1, mounting platform; 2, support column; 3, mounting top plate; 4, guide rod; 5, movable top die; 6, mounting groove; 7, fixed die core column; 8, adjusting die core ring; 9, adjusting hydraulic cylinder; 10, die casting hydraulic cylinder; 11, fixed bottom die; 12, die cavity; 13, support leg; 14, bottom plate; 15, injection interface; 16, cooling liquid interface; 17, pressure sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1 to 4 , the automobile parts die casting is with adaptive adjustable cavity core mould, including mounting platform 1, the top of mounting platform 1 is fixedly installed with the support column 2 of four numbers, the top of support column 2 is fixedly installed with mounting top plate 3, the bottom of mounting top plate 3 is fixedly installed with guide rod 4, the surface of guide rod 4 is slidably installed with movable top die 5, the bottom of movable top die 5 is provided with mounting groove 6, the center of mounting groove 6 is fixedly installed with fixed die core column 7, the surface of fixed die core column 7 is slidably installed with the adjusting die core ring 8 of three layers, the outer side of outer adjusting die core ring 8 is in contact with the inner side wall of mounting groove 6.

[0022] Three adjusting die core rings 8 from inside to outside, according to zero, one, two, three, four kinds of extension mode, with fixed die core column 7 four kinds of die core structure is formed, the size of adjusting part die casting is adjusted.

[0023] Among them, the top of movable top die 5 is fixedly installed with the adjusting hydraulic cylinder 9 of three groups, the movable end of a group of adjusting hydraulic cylinder 9 is fixedly connected with the top of adjusting die core ring 8. The adjusting hydraulic cylinder 9 controls adjusting die core ring 8 to extend or retract, and four kinds of die core structures are formed with fixed die core column 7.

[0024] At the same time, the top of mounting top plate 3 is fixedly installed with die casting hydraulic cylinder 10, and the movable end of die casting hydraulic cylinder 10 is fixedly connected with the top of movable top die 5. The die casting hydraulic cylinder 10 drives the movable top die 5 to move up and down, and die casting is carried out.

[0025] Among them, the top of mounting platform 1 is fixedly installed with fixed bottom die 11, and the top of fixed bottom die 11 is provided with die cavity 12. The movable top die 5 moves down, approaches fixed bottom die 11, and fixed die core column 7 and adjusting die core ring 8 are pressed into die cavity 12 for die casting.

[0026] Meanwhile, the bottom of the installation platform 1 is fixedly provided with supporting legs 13, and the bottom ends of the supporting legs 13 are fixedly provided with bottom plates 14. The installation platform 1 is supported by the supporting legs 13 and the bottom plates 14.

[0027] The fixed bottom die 11 is fixedly provided with an injection interface 15 on one side, and one end of the injection interface 15 is fixedly connected with the output end of an external raw material melting device. The raw material melted by the external raw material melting device is injected into the mold cavity 12 through the injection interface 15 for die casting.

[0028] Secondly, the bottom of the installation platform 1 is fixedly provided with a cooling liquid interface 16, the top end of the cooling liquid interface 16 is in communication with the cooling interface of the fixed bottom die 11, the other end of the cooling liquid interface 16 is in communication with an external cooling device, and the cooling liquid interface 16 is used to cool the parts after die casting. The top of the fixed bottom die 11 is fixedly provided with a pressure sensor 17. The pressure sensor 17 detects the downward pressure of the movable top die 5, and adjusts the downward pressure of the die casting hydraulic cylinder 10 according to the tension value.

[0029] In use, according to the size of the parts to be die cast, the hydraulic cylinder 9 is adjusted to control the extension or retraction of the adjustable mold core ring 8, and the fixed mold core column 7 and the adjustable mold core ring 8 form a corresponding mold core structure. The die casting hydraulic cylinder 10 drives the movable top die 5 to move downward, and the movable top die 5 and the fixed bottom die 11 are folded to make the fixed mold core column 7 and the adjustable mold core ring 8 press into the mold cavity 12. The raw material melted by the external raw material melting device is injected into the mold cavity 12 through the injection interface 15 for die casting.

[0030] The electrical components in the text are electrically connected with the main controller and the power supply. The main controller can be a conventional known device such as a computer for control, and the existing disclosed power connection technology is not described in detail in the text.

[0031] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adaptive adjustable cavity core mold for die casting automobile parts, comprising a mounting platform (1), characterized in that: The top of mounting platform (1) is fixedly installed with four supporting columns (2), the top of supporting column (2) is fixedly installed with mounting top plate (3), the bottom of mounting top plate (3) is fixedly installed with guide rod (4), the surface of guide rod (4) is slidably installed with movable top die (5), the bottom of movable top die (5) is provided with mounting slot (6), the center of mounting slot (6) is fixedly installed with fixed die core column (7), the surface of fixed die core column (7) is slidably installed with three layers of adjusting die core ring (8), the outer side of outer adjusting die core ring (8) is in contact with the inner side wall of mounting slot (6).

2. The automotive parts die casting self-adapting adjustable cavity core mold of claim 1, wherein: The top of movable top die (5) is fixedly installed with three groups of adjusting hydraulic cylinders (9), the movable end of one group of adjusting hydraulic cylinders (9) is fixedly connected with the top of adjusting die core ring (8).

3. The automotive parts die casting self adaptive adjustable core mold of claim 1, wherein: The top of mounting top plate (3) is fixedly installed with die casting hydraulic cylinder (10), the movable end of die casting hydraulic cylinder (10) is fixedly connected with the top of movable top die (5).

4. The automotive parts die casting self adaptive adjustable core mold of claim 1, wherein: The top of mounting platform (1) is fixedly installed with fixed bottom die (11), the top of fixed bottom die (11) is provided with die cavity (12).

5. The automotive parts die casting self adaptive adjustable core mold of claim 1, wherein: The bottom of mounting platform (1) is fixedly installed with supporting leg (13) at four corners, the bottom end of supporting leg (13) is fixedly installed with bottom plate (14).

6. The automotive parts die casting self adaptive adjustable core mold of claim 4, wherein: One side of fixed bottom die (11) is fixedly installed with injection interface (15), one end of injection interface (15) is fixedly connected with the output end of external raw material melting equipment.

7. The automotive parts die casting self adaptive adjustable core mold of claim 4, wherein: The bottom of mounting platform (1) is fixedly installed with cooling liquid interface (16), the top end of cooling liquid interface (16) is in communication with the cooling interface of fixed bottom die (11), the other end of cooling liquid interface (16) is in communication with external cooling device, the top of fixed bottom die (11) is fixedly installed with pressure sensor (17).