Novel die-casting die design structure

By adding an early ejection mechanism to the die-casting mold, the problems of product deformation and breakage during demolding are solved, and the stability and efficiency of continuous production are improved.

CN223418312UActive Publication Date: 2025-10-10SUZHOU SONGXIANG DIANTONG TECH CO LTD
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Patent Information

Application Number
CN202422498476.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-10-10
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing die-casting mold is prone to deformation and swinging when demolding, and the unlocking slot insert position is prone to outward expansion and stress fracture, resulting in production interruption.

Method used

A new die-casting mold is designed to add an early ejection mechanism, including left unlocking inserts and right unlocking inserts. The extraction system is connected by fitting slots and connecting plates to achieve early extraction of the inserts, avoiding product deformation and swing.

Benefits of technology

Through the design of the early ejection mechanism, the product is less likely to deform and break during demoulding, which improves the continuity and efficiency of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of die-casting dies, in particular to a novel die-casting die design structure which comprises a male die and a female die which finish die assembly, the male die is located at the lower end of the female die, a die cavity is formed between the male die and the female die in a die assembly mode, and an advanced stripping mechanism is arranged at the lower end of the male die. The pre-releasing mechanism comprises a left unlocking insert and a right unlocking insert which are distributed in the mold cavity, and the male mold is provided with a fitting slot matched with the left unlocking insert and the right unlocking insert to move up and down; connecting plate bodies are arranged at the end parts of the lower ends of the left unlocking insert and the right unlocking insert; the left unlocking insert and the right unlocking insert downwards penetrate through the connecting plate bodies; the end parts of the lower ends of the left unlocking insert and the right unlocking insert are connected with a pulling-out system; according to the technical scheme, the mold structure is optimized, the mold structure is changed, and the advanced stripping mechanism is added, so that the insert is drawn out in advance, and a product is surrounded by the male mold and the female mold and is not easy to deform and swing, so that the product is not easy to expand outwards and break during stripping, the problem of production interruption is solved, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to die casting die technical field especially new die casting die design structure. BACKGROUND

[0002] Die casting die is an important tool for die casting process, and is widely used in metal casting, especially in the casting of aluminum, zinc and magnesium alloys. Its main function is to rapidly inject molten metal into the mold cavity to form the required product. The basic principle is to use high pressure to rapidly inject molten metal into the mold, and to cool and form in the mold to obtain the required casting.

[0003] The existing product die casting die, the mold cavity insert and the male die are matched together, and are synchronized during demolding, which causes the product to be easily deformed and swing, and the position of the unlocking groove insert is easy to cause expansion and stress fracture, causing disturbance to production and unable to continuous production. Therefore, the die structure is optimized in the design, the die structure is changed, and the early extraction mechanism is increased to extract the mold cavity in advance. SUMMARY

[0004] The utility model discloses to overcome above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve above-mentioned problem.

[0005] New die casting die design structure, including the male die and female die of complete mold, male die is in female die lower end, and mold cavity is equipped between male die and female die and is molded;Early extraction mechanism is equipped in the lower end of male die;Early extraction mechanism includes the left unlocking insert and right unlocking insert distributed in mold cavity, and the male die is equipped with the abutment groove position that left unlocking insert and right unlocking insert move up and down;Left unlocking insert and right unlocking insert lower end end portion are equipped with connecting plate body, and left unlocking insert and right unlocking insert are connected with extraction system along the lower end end portion of connecting plate body.

[0006] Further, the extraction system includes a left extraction thimble disposed at the lower end of the left unlocking insert and a right extraction thimble disposed at the lower end of the right unlocking insert.

[0007] Further, the male die and the female die are covered with an upper die set and a lower die set above.

[0008] Further, the mouth body is provided between the upper die set and the male die, and the mouth body communicates the mold cavity with the outside.

[0009] Further, the lower die set is provided with a guide column group connected to the female die.

[0010] The beneficial effects of the present invention are as follows: by optimizing the mold structure, changing the mold structure, and adding an early ejection mechanism, the insert can be pulled out in advance. At this time, the product is surrounded by the male mold and the female mold, and is not easy to deform or swing. Therefore, when it is ejected, it is not easy to stretch out or break, thereby solving the problem of production interruption and improving production efficiency.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the assembly structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the split structure of the utility model.

[0014] Figure 3 Based on Figure 2 Schematic diagram of the early escape mechanism structure.

[0015] The accompanying drawings in the figure are marked as follows: male mold-1, female mold-2, mold cavity-3, early release mechanism-4, left unlocking insert-5, right unlocking insert-6, fitting slot-7, connecting plate body-8, extraction system-9, left extraction pin-10, right extraction pin-11, upper mold assembly-12, lower mold assembly-13, mouth body-14, guide column assembly-15. DETAILED DESCRIPTION

[0016] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figures 1 to 3 The utility model includes a male mold 1 and a female mold 2 for completing the mold closing. The male mold 1 is located at the lower end of the female mold 2, and a mold cavity 3 is provided between the male mold 1 and the female mold 2 for closing the mold. An early ejection mechanism 4 is provided at the lower end of the male mold 1; the early ejection mechanism 4 includes a left unlocking insert 5 and a right unlocking insert 6 distributed in the mold cavity 3, and a fitting groove 7 is provided on the male mold 1 for matching the left unlocking insert 5 and the right unlocking insert 6 to move up and down; a connecting plate body 8 is provided at the lower end of the left unlocking insert 5 and the right unlocking insert 6, and the left unlocking insert 5 and the right unlocking insert 6 pass through the connecting plate body 8 along the bottom and are connected to a withdrawal system 9 at the lower end.

[0018] In the structure, in the prior art of the upper die set 12 and the lower die set 13, the relative inner side is further provided with the male die 1 and the female die 2, that is, when the mold is closed, the mold cavity 3 between the male die 1 and the female die 2 forms a molding injection mold for the raw material. In the previous similar product die casting mold, the mold cavity 3 insert is matched with the male die 1 together, and is synchronized during demolding, so that the product is easy to have slight deformation and swing, and the position of the unlocking slot insert is easy to cause expansion and stress fracture, causing disturbance to production and unable to continuously produce. The design is to optimize the mold structure, change the mold structure, and increase the early demolding mechanism 4, so that the unlocking slot insert is extracted in advance, and the product is surrounded by the male die 1 and the female die 2, and is not easy to deform and swing.

[0019] Specifically, the early demolding mechanism 4 includes the left unlocking insert 5 and the right unlocking insert 6 distributed in the mold cavity 3, the male die 1 is provided with the fitting groove position 7 matching the up-down movement of the left unlocking insert 5 and the right unlocking insert 6, the left unlocking insert 5 and the right unlocking insert 6 are provided with the connecting plate body 8 at the lower end, the left unlocking insert 5 and the right unlocking insert 6 are connected with the extraction system 9 at the lower end through the connecting plate body 8, and the extraction system 9 includes the left extraction ejector pin 10 arranged at the lower end of the left unlocking insert 5 and the right extraction ejector pin 11 arranged at the lower end of the right unlocking insert 6. The principle is that after the injection molding is completed, the left extraction ejector pin 10 and the right extraction ejector pin 11 in the existing extraction system 9 are guided along the hole body of the connecting plate body 8, and the early extraction of the insert is completed. Then the mold cavity 3 is unlocked and opened, so that the final molding quality of the product is realized.

[0020] The mouth body 14 is arranged between the upper die set 12 and the male die 1, the mouth body 14 communicates the mold cavity 3 with the outside, so as to inject the raw material of the product, and the guide column group 15 connected with the female die 2 in the middle of the lower die set 13 is used for supporting the mold closing operation.

[0021] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution range of the present application, and any simple modification, equivalent change and modification of the above embodiment within the technical solution range of the present application are all within the scope of the present application.

Claims

1. A novel die-casting mold design structure, comprising a male mold (1) and a female mold (2) for completing mold closing, wherein the male mold (1) is located at the lower end of the female mold (2), and a mold cavity (3) is provided between the male mold (1) and the female mold (2), and is characterized in that: An early release mechanism (4) is provided at the lower end of the male mold (1); The early ejection mechanism (4) includes a left unlocking insert (5) and a right unlocking insert (6) distributed in the mold cavity (3); a fitting groove (7) is provided on the male mold (1) for the left unlocking insert (5) and the right unlocking insert (6) to move up and down; a connecting plate (8) is provided at the lower end of the left unlocking insert (5) and the right unlocking insert (6); the left unlocking insert (5) and the right unlocking insert (6) pass through the connecting plate (8) along the bottom and are connected to a withdrawal system (9) at the lower end.

2. The novel die-casting mold design structure according to claim 1 is characterized in that: The extraction system (9) comprises a left extraction ejector pin (10) arranged at the lower end of the left unlocking insert (5) and a right extraction ejector pin (11) arranged at the lower end of the right unlocking insert (6).

3. The novel die-casting mold design structure according to claim 1 is characterized in that: The male mold (1) and the female mold (2) are covered with an upper mold group (12) and a lower mold group (13) located above.

4. The novel die-casting mold design structure according to claim 3 is characterized in that: A mouth body (14) is provided between the upper mold assembly (12) and the male mold (1), and the mouth body (14) communicates with the mold cavity (3) and the outside.

5. The novel die-casting mold design structure according to claim 3 is characterized in that: A guide column group (15) connected to the mother mold (2) is provided in the middle of the lower mold group (13).