Automobile grille injection mold with good cooling performance

By designing a multi-layered circulating cooling water channel network in the injection mold of automotive grilles, the problem of uneven cooling in existing molds has been solved, achieving efficient cooling of the grilles and improving molding quality.

CN224089533UActive Publication Date: 2026-04-07TAISHENG MASCH TECH (NANTONG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing automotive grille molds have insufficient cooling effect, especially the horizontally arranged circulating cooling water channels, which fail to effectively cover each strip protrusion, resulting in uneven cooling.

Method used

Design an injection mold for automotive grilles, using a female mold and a male mold that work together, with multiple rows of circulating cooling water channels on both, including inlet channels, outlet channels, longitudinal channels, and connecting channels, ensuring that each raised position has a corresponding cooling water channel, and using copper plugs to isolate adjacent channels, forming a multi-layered cooling network.

Benefits of technology

Uniform cooling of the grille was achieved, improving the cooling effect and efficiency, and ensuring the forming quality of the grille.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile grille injection mold with good cooling performance, which comprises a female mold plate and a male mold plate, a first grille male mold is arranged on the upper surface of the female mold plate, a second grille male mold is arranged on the lower surface of the male mold plate, the first grille male mold is provided with a plurality of rows of first bulges, and a plurality of first circulating cooling water channels are arranged in the female mold plate. The first grating male die is provided with a plurality of rows of first protrusions, the second grating male die is provided with a plurality of rows of second protrusions, the male die plate is internally provided with a plurality of second circulating cooling water channels, the second circulating cooling water channels correspond to the second protrusions one to one, it is guaranteed that all rows of positions of the grating are evenly cooled, and therefore the quality of the grating is guaranteed; the bottom of the longitudinal cooling water channel of the second circulating cooling water channel corresponds to the second protrusion, and the cooling effect and efficiency of the materials are further improved.
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Description

Technical Field

[0001] This utility model relates to the field of grille mold technology, specifically to an automotive grille injection mold with good cooling performance. Background Technology

[0002] A car grille is also known as a car mesh or radiator grille. On one hand, it protects the air intake and ventilation of components such as the radiator, engine, and air conditioning system, preventing damage to the interior of the vehicle from foreign objects while driving. On the other hand, it enhances the car's aesthetics, showcases individuality, and is a key brand identifier for many brands.

[0003] Automotive grilles are generally manufactured using injection molds. Currently, automotive grille molds typically only have a few horizontally arranged circulating cooling water channels inside. On the one hand, these channels do not correspond to the positions of the various raised strips of the grille. On the other hand, the use of only horizontally arranged water channels leaves room for improvement in cooling performance. Therefore, an improved technology is urgently needed to solve this problem in the existing technology. Summary of the Invention

[0004] The purpose of this invention is to provide an injection mold for automotive grilles with good cooling performance, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an injection mold for automotive grilles with good cooling performance, comprising a female mold plate and a male mold plate, wherein a first grille punch is provided on the upper surface of the female mold plate, and a second grille punch is provided on the lower surface of the male mold plate, wherein the male mold plate and the female mold plate cooperate with each other;

[0006] The first grid punch is provided with several rows of first protrusions, and the mother template is provided with several first circulating cooling water channels. The positions of the first circulating cooling water channels correspond one-to-one with the positions of the first protrusions. The first circulating cooling water channel includes a first inlet channel, a first outlet channel and a first longitudinal channel. The first inlet channel and the first outlet channel are respectively connected to the first longitudinal channel. The longitudinal channel is interconnected with the first connecting channel. The first connecting channel is opened through the interior of the mother template.

[0007] The second grid punch is provided with several rows of second protrusions. Several second circulating cooling water channels are opened inside the male template. The positions of the second circulating cooling water channels correspond one-to-one with the second protrusions. The second circulating cooling water channels include a second inlet channel, a second outlet channel, a second longitudinal channel, and a longitudinal cooling water channel. The second inlet channel and the second outlet channel are respectively connected to the second longitudinal channel. The second longitudinal channel is interconnected with the second connecting channel. The second connecting channel is opened through the inside of the male template. The second inlet channel and the second outlet channel are both bypassed and connected to several longitudinal cooling water channels. The bottom of the longitudinal cooling water channel corresponds to the second protrusion.

[0008] Preferably, the present invention provides an automotive grille injection mold with good cooling performance, wherein the first grille punch and the second grille punch cooperate with each other to form a cavity.

[0009] Preferably, the present invention provides an automotive grille injection mold with good cooling performance, wherein the upper surface of the mother mold is provided with a plurality of guide post mounting holes.

[0010] Preferably, the present invention provides an automotive grille injection mold with good cooling performance, wherein the male mold plate is provided with a plurality of guide sleeve mounting holes, and the positions of the guide sleeve mounting holes correspond one-to-one with the positions of the guide post mounting holes of the female mold plate.

[0011] Preferably, the present invention provides an automotive grille injection mold with good cooling performance, wherein the first connecting water channel is provided with a copper plug at the position between two adjacent first circulating cooling water channels.

[0012] Preferably, the present invention provides an automotive grille injection mold with good cooling performance, wherein the male mold plate has a feeding channel inside.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The mother mold has several first circulating cooling water channels inside, each corresponding to a first protrusion of the first grid punch. Each first circulating cooling water channel consists of a first inlet channel, a first outlet channel, and a first longitudinal channel. The male mold has several second circulating cooling water channels inside, each corresponding to a second protrusion of the second grid punch. Each second circulating cooling water channel consists of a second inlet channel, a second outlet channel, a second connecting channel, and a longitudinal cooling water channel. This ensures uniform cooling of each row of the grid, thereby guaranteeing the quality of the grid. At the same time, the bottom of the longitudinal cooling water channel of the second circulating cooling water channel corresponds to the second protrusion, further improving the cooling effect and efficiency of the material. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a top view of the parent template structure.

[0017] Figure 3 A schematic diagram of the public template structure viewed from below;

[0018] Figure 4 This is a schematic diagram of the water channel structure of the mother template;

[0019] Figure 5 For the appendix Figure 4Schematic diagram of the cross-sectional structure at point AA in the middle;

[0020] Figure 6 Schematic diagram of the water system structure for the public template;

[0021] Figure 7 For the appendix Figure 6 Schematic diagram of the cross-sectional structure at the BB mark in the middle;

[0022] Figure 8 For the appendix Figure 7 A schematic diagram of the cross-sectional structure at the CC mark.

[0023] In the figure: female template 1, male template 2, first grid punch 3, second grid punch 4, first protrusion 5, first circulating cooling water channel 6, first water inlet channel 601, first water outlet channel 602, first longitudinal water channel 603, first connecting water channel 7, second protrusion 8, second circulating cooling water channel 9, second water inlet channel 901, second water outlet channel 902, second longitudinal water channel 903, longitudinal cooling water channel 904, second connecting water channel 905, guide post mounting hole 10, guide sleeve mounting hole 11, copper plug 12, feeding channel 13. Detailed Implementation

[0024] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Please see Figure 1-8This utility model provides a technical solution: an injection mold for automotive grilles with good cooling performance, including a female mold plate 1 and a male mold plate 2. The upper surface of the female mold plate 1 is provided with a first grille punch 3, and the lower surface of the male mold plate 2 is provided with a second grille punch 4. The male mold plate 2 and the female mold plate 1 cooperate with each other, and the first grille punch 3 and the second grille punch 4 cooperate with each other to form a cavity to realize the filling of material, thereby realizing the formation of the grille. The upper surface of the female mold plate 1 is provided with a plurality of guide post mounting holes 10 to realize the installation of guide posts, and the male mold plate 2 is provided with a plurality of guide sleeve mounting holes 11 to realize the installation of guide sleeves. The position of the guide sleeve mounting holes 11 corresponds one-to-one with the position of the guide post mounting holes 10 of the female mold plate 1, thereby ensuring smooth cooperation between the guide rods and the guide sleeves. The male mold plate 2 has a feeding channel 13 inside to realize the material entering the cavity.

[0027] The first grid punch 3 is provided with several rows of first protrusions 5. The mother template 1 is provided with several first circulating cooling water channels 6. The positions of the first circulating cooling water channels 6 and the first protrusions 5 are one-to-one. The first circulating cooling water channel 6 includes a first inlet channel 601, a first outlet channel 602 and a first longitudinal channel 603. The first inlet channel 601 and the first outlet channel 602 are respectively connected to the first longitudinal channel 603. The longitudinal channels are all connected to the first connecting channel 7. The first connecting channel 7 is opened through the mother template 1. The first connecting channel 7 is provided with a copper plug 12 between two adjacent first circulating cooling water channels 6. The copper plug 12 ensures that two adjacent first circulating cooling water channels 6 are not connected to each other.

[0028] The second grid punch 4 is provided with several rows of second protrusions 8. Several second circulating cooling water channels 9 are opened inside the male template 2. The positions of the second circulating cooling water channels 9 and the second protrusions 8 correspond one-to-one. The second circulating cooling water channels 9 include a second inlet channel 901, a second outlet channel 902, a second longitudinal channel 903, and a longitudinal cooling water channel 904. The second inlet channel 901 and the second outlet channel 902 are respectively connected to the second longitudinal channel 903. The second longitudinal channel 903 is interconnected with the second connecting channel 905. The second connecting channel 905 is opened through the inside of the male template 2. The second inlet channel 901 and the second outlet channel 902 are both bypassed and connected to several longitudinal cooling water channels 904. The bottom of the longitudinal cooling water channel 904 corresponds to the second protrusions 8.

[0029] Processing method and operating principle: When processing the water channels of the mother template 1, a first inlet water channel 601, a first outlet water channel 602, a first longitudinal water channel 603, and a first connecting water channel 7 are respectively opened, and a copper plug 12 is installed between the first connecting water channel 7 and the adjacent first circulating cooling water channel 6. When processing the water channels of the male template 2, a second inlet water channel 901, a second outlet water channel 902, a second longitudinal water channel 903, a longitudinal cooling water channel 904, and a second connecting water channel 905 are respectively opened. Before use, the first inlet water channel 601 and the second inlet water channel 901 are connected to the inlet pipe, and the first outlet water channel 602 and the second outlet water channel 902 are connected to the outlet pipe. The extension sections of the first inlet water channel 601, the first outlet water channel 602, the first longitudinal water channel 603, the second inlet water channel 901, the second outlet water channel 902, the second longitudinal water channel 903, the longitudinal cooling water channel 904, and the second connecting water channel 905 are all sealed with sealing components. In use, after the male mold plate 2 and the female mold plate 1 are closed, the material is squeezed in through the feeding channel 13 of the male mold plate 2. The material is formed in the cavity formed by the first grid punch 3 of the male mold plate 2 and the second grid punch 4 of the female mold plate 1. Then, circulating water is added to the first circulating cooling water channel 6 and the second circulating cooling water channel 9 respectively. The water in the first circulating cooling water channel 6 passes through the first inlet channel 601, the first longitudinal water channel 603, and the first connecting water channel 7 in sequence and is discharged from the first outlet channel 602. The water in the second circulating cooling water channel 9 passes through the second inlet channel 901, the second longitudinal water channel 903, and the second connecting water channel 905 in sequence and is discharged from the second outlet channel 902. Circulating water also flows in the longitudinal cooling water channel 904 of the second circulating cooling water channel 9, thereby achieving uniform cooling of the mold and the material. This utility model has a reasonable structure. The mother template 1 has several first circulating cooling water channels 6 inside, and the positions of the first circulating cooling water channels 6 correspond one-to-one with the positions of the first protrusions 5 of the first grid punch 3. Each first circulating cooling water channel 6 is composed of a first inlet channel 601, a first outlet channel 602 and a first longitudinal channel 603. The male template 2 has several second circulating cooling water channels 9 inside, and the positions of the second circulating cooling water channels 9 correspond one-to-one with the positions of the second protrusions 8 of the second grid punch 4. Each second circulating cooling water channel 9 is composed of a second inlet channel 901, a second outlet channel 902, a second connecting channel 905 and a longitudinal cooling water channel 904. This ensures uniform cooling of each row of the grid, thereby ensuring the quality of the grid. At the same time, the bottom of the longitudinal cooling water channel 904 of the second circulating cooling water channel 9 corresponds to the second protrusion 8, further improving the cooling effect and efficiency of the material.

[0030] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0031] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An injection mold for automotive grilles with good cooling performance, characterized in that: It includes a female template (1) and a male template (2). The upper surface of the female template (1) is provided with a first grid punch (3), and the lower surface of the male template (2) is provided with a second grid punch (4). The male template (2) and the female template (1) cooperate with each other. The first grid punch (3) is provided with several rows of first protrusions (5), and several first circulating cooling water channels (6) are opened inside the mother template (1). The positions of the first circulating cooling water channels (6) and the first protrusions (5) correspond one-to-one. The first circulating cooling water channel (6) includes a first inlet channel (601), a first outlet channel (602) and a first longitudinal channel (603). The first inlet channel (601) and the first outlet channel (602) are respectively connected to the first longitudinal channel (603). The longitudinal channels are all connected to the first connecting channel (7). The first connecting channel (7) is opened through the inside of the mother template (1). The second grid punch (4) is provided with several rows of second protrusions (8). Several second circulating cooling water channels (9) are opened inside the male template (2). The positions of the second circulating cooling water channels (9) and the second protrusions (8) correspond one-to-one. The second circulating cooling water channel (9) includes a second inlet channel (901), a second outlet channel (902), a second longitudinal channel (903), and a longitudinal cooling water channel (904). The second inlet channel (901) and the second outlet channel (902) are respectively connected to the second longitudinal channel (903). The second longitudinal channel (903) is connected to the second connecting channel (905). The second connecting channel (905) is located inside the male template (2). The second inlet channel (901) and the second outlet channel (902) are both connected to several longitudinal cooling water channels (904). The bottom of the longitudinal cooling water channel (904) corresponds to the second protrusions (8).

2. The automotive grille injection mold with good cooling performance according to claim 1, characterized in that: The first grid punch (3) and the second grid punch (4) cooperate with each other to form a cavity.

3. The automotive grille injection mold with good cooling performance according to claim 1, characterized in that: The upper surface of the mother template (1) is provided with several guide post mounting holes (10).

4. The automotive grille injection mold with good cooling performance according to claim 1, characterized in that: The male template (2) is provided with a plurality of guide sleeve mounting holes (11), and the positions of the guide sleeve mounting holes (11) correspond one-to-one with the positions of the guide post mounting holes (10) of the female template (1).

5. The automotive grille injection mold with good cooling performance according to claim 1, characterized in that: The first connecting water channel (7) is provided with a copper plug (12) located between two adjacent first circulating cooling water channels (6).

6. The automotive grille injection mold with good cooling performance according to claim 1, characterized in that: The template (2) has a feeding channel (13) inside.