Multi-component insert injection molding process

Through the multi-component insert injection molding process, using insert cores of various shapes and optimized injection pressure conditions, the problem of resource waste caused by the single design of injection molding molds is solved, and the efficient production of diversified products is achieved.

CN120697279APending Publication Date: 2025-09-26KUNSHAN BANGJIAHAI ELECTRONIC CO LTD
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Patent Information

Application Number
CN202510928041.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-09-26

AI Technical Summary

Technical Problem

In the prior art, the design of injection molding molds is single, resulting in a waste of production resources and an inability to efficiently produce products with diverse base slots and side snap-on designs.

Method used

A multi-component insert molding process is adopted. By setting base slots and side bayonet cores of various shapes on the lower mold, combined with different injection pressures and holding times, a diversified series of products can be prepared.

Benefits of technology

It enables the rapid and orderly production of a diverse range of products, improving production efficiency and resource utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the multi-component insert injection molding process, a lower mold is included, a lower mold cavity is formed in the lower mold, a base clamping groove corresponding embedded core is arranged in the middle of the lower mold cavity, a side edge bayonet part corresponding embedded core is arranged corresponding to the base clamping groove corresponding embedded core, and the side edge bayonet part corresponding embedded core is arranged on a side edge bayonet part setting groove; the base clamping groove corresponding embedded core is detachably arranged on the lower die, a clamping groove seat corresponding part is arranged on the base clamping groove corresponding embedded core, and the clamping groove seat corresponding part is a circular groove, a triangular prism groove or a square groove body groove; the side edge bayonet part corresponding embedded core is provided with a plurality of edge bayonet corresponding columns, and the number of the edge bayonet corresponding columns is one, three or five.
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Description

Technical Field

[0001] The present invention relates to precision manufacturing technology, in particular to injection molding, and specifically to a multi-component insert injection molding process. Background Art

[0002] In the field of injection molding technology, some products are designed with a series of designs to suit the usage scenarios. For example, the base slots have various shapes, including round, triangular, and square slots, and the side bayonet has different numbers of positioning slots.

[0003] The current setting method generally adopts a base slot shape and a certain number of side slots to design a forming mold, which seriously wastes production resources.

[0004] Therefore, it is necessary to provide a multi-component insert molding process. Summary of the Invention

[0005] The purpose of the present invention is to provide a multi-component insert injection molding process.

[0006] The technical solution is as follows:

[0007] A multi-component insert injection molding process includes a lower mold, a lower mold cavity is provided on the lower mold, a base card slot corresponding to the insert core is provided in the middle of the lower mold cavity, a side card slot portion corresponding to the insert core is provided corresponding to the base card slot corresponding to the insert core, and the side card slot portion corresponding to the insert core is provided on a setting groove of the side card slot portion;

[0008] The base card slot corresponding to the insert core is detachably set on the lower mold, and the base card slot corresponding to the insert core has a card slot seat corresponding part, and the card slot seat corresponding part is a circular shape, a triangular ridge shape, or a square groove;

[0009] The side bayonet portion has a plurality of side bayonet corresponding columns on the inlay core, and the number of the side bayonet corresponding columns is 1, 3, or 5;

[0010] When the corresponding portion of the card slot seat is a circular groove, it is recorded as A program; when the corresponding portion of the card slot seat is a triangular prism groove, it is recorded as B program; when the corresponding portion of the card slot seat is a square groove, it is recorded as C program;

[0011] When the number of columns corresponding to the side card port is 1 or 3, it is recorded as D trigger; when the number of columns corresponding to the side card port is 5, it is recorded as E trigger;

[0012] In injection molding:

[0013] A, B program, D trigger condition, use 20-35% injection pressure, hold pressure 1.2 times the curing time;

[0014] A, B program, E trigger condition, use 40-55% injection pressure, hold pressure 1.4 times the curing time;

[0015] Program C, trigger condition D, use 60-70% injection pressure, hold pressure 1.1 times the curing time;

[0016] Program C, trigger condition E, use 75-80% injection pressure, hold pressure 1.5 times the curing time;

[0017] A multi-component insert molding process is formed to prepare corresponding series of products.

[0018] Furthermore, the lower mold is provided with a base slot corresponding to a core insert slot.

[0019] Furthermore, the base slot corresponds to the corresponding slot of the inlay core, and the imitation base slot corresponds to the shape of the lower end of the inlay core.

[0020] Furthermore, the base card slots corresponding to the inlay cores are provided with no less than 3 embedded positioning grooves, and the corresponding base card slots corresponding to the inlay cores are provided with embedded positioning columns.

[0021] Furthermore, the side bayonet corresponding column is fixedly arranged on the side groove corresponding block.

[0022] Furthermore, a side slot corresponding block is provided with a side bayonet corresponding column setting hole slot, and the side bayonet corresponding column is directly inserted into the side bayonet corresponding column setting hole slot through the insertion portion at the bottom.

[0023] Compared with the prior art, the present invention adopts a multi-component insert injection molding process to prepare corresponding series of products, thereby ensuring rapid and orderly production. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is one of the structural schematic diagrams of the present invention.

[0025] Figure 2 This is the second structural diagram of the present invention. DETAILED DESCRIPTION

[0026] Example:

[0027] See also Figure 1-2 This embodiment shows a multi-component insert injection molding process, including a lower mold 1, a lower mold cavity 2 is provided on the lower mold, a base slot corresponding to an insert core 3 is provided in the middle of the lower mold cavity 2, a side bayonet portion corresponding to an insert core 4 is provided corresponding to the base slot corresponding to the insert core, and the side bayonet portion corresponding to the insert core 4 is provided on a setting groove 40 of the side bayonet portion;

[0028] The base card slot corresponding insert core 3 is detachably set on the lower mold 1, and the base card slot corresponding insert core 3 has a card slot seat corresponding portion 30, and the card slot seat corresponding portion 30 is a circular shape, a triangular prism shape, or a square groove;

[0029] The side bayonet portion corresponds to the inlay core 4 and has a plurality of side bayonet corresponding columns 41, and the number of the plurality of side bayonet corresponding columns is 1, 3, or 5;

[0030] When the corresponding portion of the card slot seat is a circular groove, it is recorded as A program; when the corresponding portion of the card slot seat is a triangular prism groove, it is recorded as B program; when the corresponding portion of the card slot seat is a square groove, it is recorded as C program;

[0031] When the number of columns corresponding to the side card port is 1 or 3, it is recorded as D trigger; when the number of columns corresponding to the side card port is 5, it is recorded as E trigger;

[0032] In injection molding:

[0033] A, B program, D trigger condition, use 20-35% injection pressure, hold pressure 1.2 times the curing time;

[0034] A, B program, E trigger condition, use 40-55% injection pressure, hold pressure 1.4 times the curing time;

[0035] Program C, trigger condition D, use 60-70% injection pressure, hold pressure 1.1 times the curing time;

[0036] Program C, trigger condition E, use 75-80% injection pressure, hold pressure 1.5 times the curing time;

[0037] A multi-component insert molding process is formed to prepare corresponding series of products.

[0038] in:

[0039] The lower die 1 is provided with a base slot corresponding to the core insert slot.

[0040] The base card slot corresponds to the corresponding slot of the inlay core, and the imitation base card slot corresponds to the shape setting of the lower end of the inlay core.

[0041] The base card slots corresponding to the inlay cores are also provided with no less than 3 embedded positioning grooves, and the corresponding base card slots corresponding to the inlay cores are provided with embedded positioning columns.

[0042] The side bayonet corresponding column 41 is fixedly arranged on the side groove corresponding block 42 .

[0043] The side slot corresponding block 42 is provided with a side bayonet corresponding column setting hole slot 43 , and the side bayonet corresponding column 41 is directly inserted into the side bayonet corresponding column setting hole slot through the insertion portion at the bottom.

[0044] Compared with the prior art, the present invention adopts a multi-component insert injection molding process to prepare corresponding series of products, thereby ensuring rapid and orderly production.

[0045] For those skilled in the art, several variations and improvements can be made without departing from the inventive concept of the present invention, and all of these fall within the scope of protection of the present invention.

Claims

1. A multi-component insert injection molding process, characterized in that: The lower mold comprises a lower mold cavity, a base slot corresponding to the inlay core is provided in the middle of the lower mold cavity, a side bayonet portion corresponding to the inlay core is provided corresponding to the base slot, and the side bayonet portion corresponding to the inlay core is provided on the setting groove of the side bayonet portion; The base card slot corresponding to the insert core is detachably set on the lower mold, and the base card slot corresponding to the insert core has a card slot seat corresponding part, and the card slot seat corresponding part is a circular shape, a triangular ridge shape, or a square groove; The side bayonet portion has a plurality of side bayonet corresponding columns on the inlay core, and the number of the side bayonet corresponding columns is 1, 3, or 5; When the corresponding portion of the card slot seat is a circular groove, it is recorded as A program; when the corresponding portion of the card slot seat is a triangular prism groove, it is recorded as B program; when the corresponding portion of the card slot seat is a square groove, it is recorded as C program; When the number of columns corresponding to the side card port is 1 or 3, it is recorded as D trigger; when the number of columns corresponding to the side card port is 5, it is recorded as E trigger; In injection molding: A, B program, D trigger condition, use 20-35% injection pressure, hold pressure 1.2 times the curing time; A, B program, E trigger condition, use 40-55% injection pressure, hold pressure 1.4 times the curing time; Program C, trigger condition D, use 60-70% injection pressure, hold pressure 1.1 times the curing time; Program C, trigger condition E, use 75-80% injection pressure, hold pressure 1.5 times the curing time; A multi-component insert molding process is formed to prepare corresponding series of products.

2. A multi-component insert molding process according to claim 1, characterized in that: The lower die is provided with a base card slot corresponding to the core inserting slot.

3. A multi-component insert molding process according to claim 2, characterized in that: The base card slot corresponds to the corresponding slot of the inlay core, and the imitation base card slot corresponds to the shape setting of the lower end of the inlay core.

4. A multi-component insert molding process according to claim 2 or 3, characterized in that: The base card slots corresponding to the inlay cores are also provided with no less than 3 embedded positioning grooves, and the corresponding base card slots corresponding to the inlay cores are provided with embedded positioning columns.

5. The multi-component insert molding process according to claim 4, characterized in that: The side bayonet corresponding column is fixedly arranged on the side groove corresponding block.

6. The multi-component insert molding process according to claim 5, characterized in that: The side slot corresponding block is provided with a side bayonet corresponding column setting hole slot, and the side bayonet corresponding column is directly inserted into the side bayonet corresponding column setting hole slot through the insertion portion at the bottom.