Injection molding mold for automotive upholstery

Through the linked design of the mold system and cooling pipe structure, the problem of existing molds being unable to produce side curved surfaces is solved, and efficient and stable forming effect is achieved.

CN223252230UActive Publication Date: 2025-08-22MINGYI PRECISION TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422534084.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-19
Publication Date
2025-08-22
Estimated Expiration
2034-10-19

AI Technical Summary

Technical Problem

Existing molds cannot effectively produce automotive interior parts with curved side surfaces.

Method used

Using a linkage design of the first main mold, the second main mold, the first side mold and the second side mold, the curved portion is formed by the first/second main mold forming plane part, and a cooling tube and an ejection module are provided to achieve rapid molding.

Benefits of technology

It realizes stable forming of automobile interior parts with curved surfaces on the opposite side, with high practicality and good forming effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223252230U_ABST
    Figure CN223252230U_ABST
Patent Text Reader

Abstract

The utility model discloses an automobile interior trim part injection molding mold which comprises a first main mold, a second main mold, a first side mold and a second side mold, and the first side mold and the second side mold are installed between the first main mold and the second main mold. The first main mold comprises a first mounting plate, a first model main block, a first injection molding block and an injection pipe. According to the injection molding mold for the automotive upholstery, the first main mold, the second main mold, the first side mold and the second side mold are linked, the first main mold and the second main mold are used for molding a plane part of a product, and the first side mold and the second side mold are used for molding a bent part of the product; the device has the advantages of stable structure, high practicability, good forming effect and the like.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile interior decoration injection molding, and particularly relates to an automobile interior decoration injection molding die. Background Art

[0002] Car interior mainly refers to the car products used for car interior modification, involving all aspects of the car's interior, and some car interior parts require the use of injection molds for injection molding during processing.

[0003] Many existing molds are only suitable for flat products, requiring only two butted injection blocks, but are unable to produce products with curved side surfaces.

[0004] Therefore, further improvements are made to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide an injection molding mold for automobile interior decoration parts, which is linked by a first main mold, a second main mold, a first side mold and a second side mold. The flat part of the product is molded by the first / second main mold and the curved part of the product is molded by the first / second side mold. It has the advantages of stable structure, high practicality and good molding effect.

[0006] To achieve the above objectives, the present invention provides an injection molding mold for an automotive interior trim part, comprising a first main mold, a second main mold, a first side mold, and a second side mold, wherein the first side mold and the second side mold are installed between the first main mold and the second main mold, wherein:

[0007] The first main mold includes a first mounting plate, a first mold main block, a first injection block, and an injection tube. The first mold main block is mounted on the first mounting plate, and the first injection block is fixedly mounted on the first mold main block. The first injection block is provided with a first molding groove. The injection tube sequentially passes through the first mounting plate, the first mold main block, and the first injection block.

[0008] The second main mold includes a second mounting plate, a first support block, a second support block, a second mold main block, and a second injection block. The first support block and the second support block are mounted between the second mounting plate and the second mold main block, and a receiving space is provided between the second mounting plate and the second mold main block. The second injection block is fixedly mounted on the second mold main block. The second injection block is provided with a second molding groove portion, and the second molding groove portion is aligned with the first molding groove portion.

[0009] The first side mold includes a first cylinder, a first limit block, a second limit block and a third injection block, wherein the first cylinder, the first limit block and the second limit block are all installed on the second mold main block, the third injection block is connected to the driving end of the first cylinder and the third injection block is located between the first limit block and the second limit block, the third injection block is located on one side of the first injection block and the second injection block and is provided with a third molding groove portion;

[0010] The second side mold includes a second cylinder, a third limit block, a fourth limit block and a fourth injection block. The second cylinder, the third limit block and the fourth limit block are all installed on the second model main block. The fourth injection block is connected to the driving end of the second cylinder and the fourth injection block is located between the third limit block and the fourth limit block. The fourth injection block is located on the other side of the first injection block and the second injection block and the fourth injection block is provided with a fourth molding groove portion.

[0011] As a further preferred technical solution of the above technical solution, both the first injection molding block and the second injection molding block are provided with cooling pipes (for cooling the molten plastic and quickly molding the product).

[0012] As a further preferred technical solution of the above technical solution, it also includes an ejection module, which is installed in the accommodating space. The ejection module includes an ejector mounting seat and a plurality of ejectors, one end of the ejector is fixedly mounted on the ejector mounting seat and the other end is located on the second injection molding block.

[0013] As a further preferred technical solution of the above technical solution, a driving cylinder is provided on the side of the second mounting plate away from the first mounting plate, and the driving end of the driving cylinder passes through the second mounting plate and is connected to the ejector mounting seat (to drive the ejector mounting seat to move toward the first mounting plate).

[0014] As a further preferred technical solution of the above technical solution, the first molding groove portion, the second molding groove portion, the third molding groove portion and the fourth molding groove portion are used for molding automobile interior trim parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of an injection molding die for automobile interior trim parts.

[0016] Figure 2 The utility model is a structural schematic diagram of an injection molding die for automobile interior trim parts.

[0017] Figure 3 The utility model is a structural schematic diagram of an injection molding die for automobile interior trim parts.

[0018] The accompanying drawings include: 100, first main mold; 110, first mounting plate; 120, first model main block; 130, first injection molding block; 131, cooling pipe; 140, injection tube; 200, second main mold; 210, second mounting plate; 220, first support block; 230, second support block; 240, second model main block; 250, second injection molding block; 300, first side mold; 310, first cylinder; 320, first limit block; 330, second limit block; 340, third injection molding block; 400, second side mold; 410, second cylinder; 420, third limit block; 430, fourth limit block; 440, fourth injection molding block; 500, ejector module; 510, ejector pin mounting seat; 520, ejector; 600, automotive interior parts. DETAILED DESCRIPTION

[0019] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0020] The utility model discloses an injection molding die for automobile interior decoration parts. The specific embodiments of the utility model are further described below in conjunction with preferred embodiments.

[0021] In the embodiments of the present invention, those skilled in the art will note that the automotive interior trims and the like involved in the present invention may be regarded as prior art.

[0022] Preferred embodiment.

[0023] like Figure 1-3 As shown, the utility model discloses an injection molding mold for automobile interior parts, including a first main mold 100, a second main mold 200, a first side mold 300 and a second side mold 400, wherein the first side mold 300 and the second side mold 400 are installed between the first main mold 100 and the second main mold 200, wherein:

[0024] The first main mold 100 includes a first mounting plate 110, a first mold main block 120, a first injection block 130, and an injection tube 140. The first mold main block 120 is mounted on the first mounting plate 110, and the first injection block 130 is fixedly mounted on the first mold main block 120. The first injection block 130 is provided with a first molding groove. The injection tube 140 sequentially passes through the first mounting plate 110, the first mold main block 120, and the first injection block 130.

[0025] The second main mold 200 includes a second mounting plate 210, a first support block 220, a second support block 230, a second mold main block 240, and a second injection block 250. The first support block 220 and the second support block 230 are mounted between the second mounting plate 210 and the second mold main block 240, and a receiving space is provided between the second mounting plate 210 and the second mold main block 240. The second injection block 250 is fixedly mounted on the second mold main block 240. The second injection block 250 is provided with a second molding groove portion, and the second molding groove portion is aligned with the first molding groove portion.

[0026] The first side mold 300 includes a first cylinder 310, a first limiting block 320, a second limiting block 330, and a third injection block 340. The first cylinder 310, the first limiting block 320, and the second limiting block 330 are all installed on the second mold main block 240. The third injection block 340 is connected to the driving end of the first cylinder 310 and is located between the first limiting block 320 and the second limiting block 330. The third injection block 340 is located on one side of the first injection block 130 and the second injection block 250 and is provided with a third molding groove portion.

[0027] The second side mold 400 includes a second cylinder 410, a third limit block 420, a fourth limit block 430 and a fourth injection block 440. The second cylinder 410, the third limit block 420 and the fourth limit block 430 are all installed on the second model main block 240. The fourth injection block 440 is connected to the driving end of the second cylinder 410 and the fourth injection block 440 is located between the third limit block 420 and the fourth limit block 430. The fourth injection block 440 is located on the other side of the first injection block 130 and the second injection block 250 and the fourth injection block 440 is provided with a fourth molding groove portion.

[0028] Specifically, the first injection block 130 and the second injection block 250 are both provided with cooling pipes 131 (for cooling molten plastic and rapidly molding products).

[0029] More specifically, it also includes an ejection module 500, which is installed in the accommodating space. The ejection module 500 includes an ejector pin mounting seat 510 and a plurality of ejectors 520. One end of the ejector pin 520 is fixedly mounted on the ejector pin mounting seat 510 and the other end is located at the second injection block 250.

[0030] Furthermore, a driving cylinder is provided on a side of the second mounting plate away from the first mounting plate, and a driving end of the driving cylinder passes through the second mounting plate and is connected to the ejector mounting seat (to drive the ejector mounting seat to move toward the first mounting plate).

[0031] Furthermore, the first molding groove portion, the second molding groove portion, the third molding groove portion, and the fourth molding groove portion are used to mold an automotive interior trim part 500 .

[0032] For this utility model:

[0033] When injection molding is required, the first main mold, the second main mold, the first side mold and the second side mold are placed close together, and then molten plastic is injected through the injection tube to form the automotive interior decoration parts between the first molding groove part, the second molding groove part, the third molding groove part and the fourth molding groove part, and the cooling tube is used for rapid cooling and molding; after completion, the first mounting plate is applied to separate the first main mold from the second main mold, and then the first / second cylinder is started respectively to move the third / fourth injection block between their respective limit blocks, so that the first / second side mold is separated from the second main mold respectively, and finally the product is ejected by the ejection module to obtain the final automotive interior decoration parts.

[0034] It is worth mentioning that the technical features such as automobile interior parts involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional options in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not be further elaborated.

[0035] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. An injection molding die for automobile interior parts, characterized in that: The mold comprises a first main mold, a second main mold, a first side mold and a second side mold, wherein the first side mold and the second side mold are installed between the first main mold and the second main mold, wherein: The first main mold includes a first mounting plate, a first mold main block, a first injection block, and an injection tube. The first mold main block is mounted on the first mounting plate, and the first injection block is fixedly mounted on the first mold main block. The first injection block is provided with a first molding groove. The injection tube sequentially passes through the first mounting plate, the first mold main block, and the first injection block. The second main mold includes a second mounting plate, a first support block, a second support block, a second mold main block, and a second injection block. The first support block and the second support block are mounted between the second mounting plate and the second mold main block, and a receiving space is provided between the second mounting plate and the second mold main block. The second injection block is fixedly mounted on the second mold main block. The second injection block is provided with a second molding groove portion, and the second molding groove portion is aligned with the first molding groove portion. The first side mold includes a first cylinder, a first limit block, a second limit block and a third injection block, wherein the first cylinder, the first limit block and the second limit block are all installed on the second mold main block, the third injection block is connected to the driving end of the first cylinder and the third injection block is located between the first limit block and the second limit block, the third injection block is located on one side of the first injection block and the second injection block and is provided with a third molding groove portion; The second side mold includes a second cylinder, a third limit block, a fourth limit block and a fourth injection block. The second cylinder, the third limit block and the fourth limit block are all installed on the second model main block. The fourth injection block is connected to the driving end of the second cylinder and the fourth injection block is located between the third limit block and the fourth limit block. The fourth injection block is located on the other side of the first injection block and the second injection block and the fourth injection block is provided with a fourth molding groove portion.

2. The automotive interior parts injection molding die according to claim 1, characterized in that: The first injection molding block and the second injection molding block are both provided with cooling pipes.

3. The automotive interior parts injection molding die according to claim 2, characterized in that: It also includes an ejector module, which is installed in the accommodating space. The ejector module includes an ejector mounting seat and a plurality of ejectors. One end of the ejector is fixedly mounted on the ejector mounting seat and the other end is located on the second injection block.

4. The automotive interior parts injection molding die according to claim 3, characterized in that: A driving cylinder is provided on a side of the second mounting plate away from the first mounting plate, and a driving end of the driving cylinder passes through the second mounting plate and is connected to the ejector mounting seat.

5. The injection molding die for automobile interior parts according to claim 4, characterized in that: The first molding groove portion, the second molding groove portion, the third molding groove portion, and the fourth molding groove portion are used for molding automotive interior trim parts.