Laminated multi-cavity injection molding mold for automotive trim buckles

By designing a multi-cavity injection mold for automotive interior clips, the problem of poor material flow performance was solved, enabling simultaneous injection molding of multiple products and multi-cavity injection molding of individual products, thus improving injection molding efficiency.

CN223589968UActive Publication Date: 2025-11-25ZHEJIANG LIMIN INDAL
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Patent Information

Application Number
CN202423301791.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-25
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing molds have poor material flow properties when injection molding automotive interior products, resulting in insufficient or missing mold material in some mold cavities and low injection efficiency.

Method used

Design a multi-cavity injection molding mold for automotive interior clips, including a first mold body, a second mold body, a third mold body, and a guide component. The guide component transports the mold material into the mold cavity, enabling simultaneous injection molding of multiple products and multi-cavity injection molding of individual products.

Benefits of technology

It improves injection molding efficiency, ensures uniform distribution of mold material, avoids insufficient or missing mold material in the mold cavity, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223589968U_ABST
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Abstract

The utility model belongs to the technical field of molds, and particularly relates to an automotive trim buckle laminated multi-cavity injection molding mold which comprises a first mold body, a second mold body, a third mold body, a fourth mold body, a fifth mold body and a sixth mold body, the first mold body is provided with a first cavity, and a plurality of fixed molds are arranged in the first cavity; the second mold body is provided with a second cavity, a plurality of first movable molds are arranged in the second cavity, and the second mold body is arranged on the upper side of the first mold body; a plurality of second movable dies are arranged on the third die body, the third die body is arranged on the lower side of the first die body, and matching holes are formed in the first die body corresponding to the second fixed dies; the material guiding piece is arranged in the first cavity, and the fixed mold is arranged in the first cavity in a circumferential array mode with the material guiding piece as the center; wherein the second mold body is provided with a through hole corresponding to the material guiding piece, and the fixed mold, the first movable mold and the second movable mold are matched to form a mold cavity.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field especially relates to a car interior buckling laminated multi -cavity injection moulding mould. BACKGROUND

[0002] Mold (mújù), industrial production is used for injection, blow molding, extrusion, die casting or forging pressure forming, smelting, stamping and other methods to get the desired products of various molds and tools. In short, the mold is used to make the tooling of the molded article, such as tooling by various parts, different molds are composed of different parts. It mainly realizes the processing of the shape of the article through the change of the physical state of the molded material. It is known as "the mother of industry".

[0003] The existing mold is different according to the production of the product, the shape of the internal cavity is different, especially the automotive interior product, although the internal cavity is in the state of communication, but in the injection molding process, due to the flow performance of the mold material and the internal structure of the mold cavity is more complex, it is easy to cause the mold material in part of the mold cavity to be less or even missing, and the injection efficiency is low, therefore we specially design a kind of car interior buckling laminated multi -cavity injection molding mould. INVENTION CONTENTS

[0004] The utility model discloses a kind of car interior buckling laminated multi -cavity injection molding mould, to improve the effect of injection.

[0005] Therefore, the utility model provides a kind of car interior buckling laminated multi -cavity injection molding mould, comprising:

[0006] First mould body, first mould body is provided with first cavity, and first cavity is provided with multiple fixed moulds;

[0007] Second mould body, second mould body is provided with second cavity, and second cavity is provided with multiple first movable moulds, and second mould body is set on the upside of first mould body;

[0008] Third mould body, multiple second movable moulds are provided on third mould body, and third mould body is set on the downside of first mould body, and first mould body is formed with cooperation hole corresponding to second fixed mould;

[0009] Material guide piece, material guide piece is set in first cavity, and fixed mould is set in first cavity with material guide piece as center circumferential array;

[0010] Among them, second mould body is provided with through hole corresponding to material guide piece, and fixed mould, first movable mould and second movable mould form mold cavity after cooperation.

[0011] In the above technical scheme, further, material guide piece includes:

[0012] The main body is in a cylindrical shape, and a sprue is arranged on the main body;

[0013] The distribution pipe is arranged on the main body and communicates with the bottom of the sprue, and a plurality of groups of distribution pipes are arranged in parallel on the distribution pipe;

[0014] The distribution pipes arranged in parallel communicate with the mold cavity.

[0015] In the above technical solution, further, the fixed mold comprises:

[0016] The first body is provided with a concave cavity, and a first arc surface is arranged at one corner of the first body, and the first arc surface cooperates with the main body;

[0017] The assembly groove is arranged on the first arc surface and connected with the distribution pipe, and a material hole penetrating to the end face of the concave cavity is arranged in the assembly groove corresponding to the distribution pipe.

[0018] In the above technical solution, further, the first movable mold comprises:

[0019] The second body is provided with a parting protrusion, and a second arc surface is arranged at one corner of the second body, and the second arc surface cooperates with the main body;

[0020] The connecting protrusion is arranged on the other side end face of the second body, and the second cavity is provided with a counterbore corresponding to the connecting protrusion, and the connecting protrusion end face is provided with a first screw hole, and the counterbore is provided with a second screw hole corresponding to the first screw hole;

[0021] The bolt is connected with the second screw hole, the first screw hole in sequence to fix the second body to the second mold body.

[0022] In the above technical solution, further, the second movable mold comprises:

[0023] The third body is provided with a fixing hole;

[0024] The parting protrusion is connected to the fixed mold by the matching hole, and the parting protrusion is provided with a fixing column at the bottom, and the fixing column is connected with the fixing hole.

[0025] In the above technical solution, further, it further comprises:

[0026] The positioning protrusion is arranged on the end face of the first cavity, and the main body is provided with a positioning hole corresponding to the positioning protrusion.

[0027] In the above technical solution, further, it further comprises:

[0028] The magnetic element is arranged on the positioning protrusion and is adsorbed in the positioning hole.

[0029] In the above technical solution, further, it further comprises:

[0030] A pipe sleeve is arranged on the inner side port of the material hole.

[0031] The beneficial effects of the utility model are that the material guiding piece, the first mold body, the second mold body and the third mold body are combined to form a mold structure, the movable mold, the first fixed mold and the third movable mold form a plurality of mold cavities in the inner side of the mold structure for preparing products, the further material guiding piece can deliver the mold material into the mold cavity, the effect of simultaneously injection molding a plurality of products is realized, the material guiding piece can also distribute the inner side mold material flowing into the same chamber, the effect of single product multi-cavity injection molding is realized, and the production efficiency is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the utility model;

[0033] Figure 2 It is an internal structure schematic diagram of the utility model;

[0034] Figure 3 It is a first movable mold schematic diagram of the utility model;

[0035] Figure 4 It is a fixed mold schematic diagram of the utility model;

[0036] The marks in the figure are as follows: 1, first mold body; 11, first cavity; 111, positioning protrusion; 12, matching hole; 2, fixed mold; 21, first body; 211, concave cavity; 212, assembly groove; 213, first arc surface; 221, material hole; 3, second mold body; 31, second cavity; 311, counterbore; 312, second screw hole; 32, through hole; 4, first movable mold; 41, second body; 411, second arc surface; 412, parting protrusion; 42, connecting protrusion; 421, first screw hole; 43, bolt; 5, third mold body 51, fixing hole; 6, parting block; 61, fixing column; 7, material guiding piece; 71, main body; 711, runner; 712, positioning hole; 72, material distribution pipe; 8, magnetic element; 9, pipe sleeve. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be clearly described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the application.

[0038] Embodiment 1:

[0039] The embodiment provides an automobile interior buckle laminated multi-cavity injection molding mold, which comprises:

[0040] The first mold body 1 is provided with a first cavity 11, and a plurality of fixed molds 2 are arranged in the first cavity 11;

[0041] The second mold body 3 is provided with a second cavity 31, and a plurality of first movable molds 4 are arranged in the second cavity 31. The second mold body 3 is arranged on the upper side of the first mold body 1.

[0042] The third mold body 5 is provided with a plurality of second movable molds. The third mold body 5 is arranged on the lower side of the first mold body 1. The first mold body 1 is provided with a matching hole 12 corresponding to the second fixed mold 2.

[0043] The material guiding piece 7 is arranged in the first cavity 11, and the fixed mold 2 is arranged in the first cavity 11 in a circumferential array with the material guiding piece 7 as the center.

[0044] The second mold body 3 is provided with a through hole 32 corresponding to the material guiding piece 7. The fixed mold 2, the first movable mold 4, and the second movable mold form a mold cavity after cooperation.

[0045] It can be seen from the embodiment that the automobile interior buckle laminated multi-cavity injection molding mold comprises a first mold body 1, a second mold body 3, a first movable mold 4, a fixed mold 2, and a material guiding piece 7.

[0046] The first mold body 1 is provided with a first cavity 11. The material guiding piece 7 is installed at the central position of the first cavity 11. A plurality of first movable molds 4 are installed in the second cavity 31 and arranged in a circumferential array outside the material guiding piece 7.

[0047] The second mold body 3 is provided with a second cavity 31. The end face of the second cavity 31 is provided with a through hole 32. The material guiding piece 7 extends to the outside of the second mold body 3 through the through hole 32 and is used for feeding. A plurality of first movable molds 4 are installed in the second cavity 31 and arranged in a circumferential array outside the through hole 32. Meanwhile, the plurality of first movable molds 4 correspond to the plurality of fixed molds 2.

[0048] The second movable mold is installed on the third mold body 5. The second movable mold is arranged on the upper end face of the third mold body 5. The first mold body 1 is provided with a matching hole 12 corresponding to the second movable mold, so as to facilitate the cooperation of the fixed mold 2, the first movable mold 4, and the third movable mold.

[0049] The material guiding piece 7, the first mold body 1, the second mold body 3, and the third mold body 5 form a mold structure. The movable mold, the first fixed mold 2, and the third movable mold form a plurality of mold cavities inside the mold structure for preparing products. Further, the material guiding piece 7 can deliver the mold material into the mold cavity, realizing the effect of simultaneously injection molding a plurality of products. Meanwhile, the material guiding piece 7 can divide the mold material flowing into the same cavity, realizing the effect of single product multi-cavity injection molding, thereby helping to improve the production efficiency.

[0050] Embodiment 2:

[0051] The embodiment provides a multi-cavity injection molding mold for an automobile interior buckle stack, in addition to the technical scheme of the above embodiment, and has the following technical features.

[0052] The material guiding piece 7 comprises:

[0053] The main body 71 is in a cylindrical shape, and the main body 71 is provided with a sprue 711;

[0054] The material distribution pipe 72 is arranged on the main body 71 and is communicated with the bottom of the sprue 711, and a plurality of groups are arranged on the material distribution pipe 72 in parallel.

[0055] Among them, the material distribution pipe 72 arranged in parallel is communicated with the mold cavity.

[0056] It can be seen from the embodiment that the material guiding piece 7 comprises the main body 71 and the material distribution pipe 72, the main body 71 is formed with the sprue 711 for feeding, the lower end of the main body 71 is arranged in a circumferential array with a plurality of material distribution pipes 72, and two rows are arranged in parallel on the wall surface of the main body 71, and the material distribution pipe 72 corresponds to the multi-layer chamber in the mold cavity, thereby realizing the effect that the single product mold cavity is connected with the chambers on the mold cavity through the plurality of material distribution pipes 72 for injection molding, which is helpful to improve the injection molding efficiency.

[0057] Embodiment 3:

[0058] The embodiment provides a multi-cavity injection molding mold for an automobile interior buckle stack, in addition to the technical scheme of the above embodiment, and has the following technical features.

[0059] The fixed mold 2 comprises:

[0060] The first body 21 is provided with a mold cavity, and one corner of the first body 21 is provided with a first arc surface 213, and the first arc surface 213 is matched with the main body 71;

[0061] The assembly groove 212 is arranged on the first arc surface 213 and is connected with the material distribution pipe 72, and the assembly groove 212 is provided with a material hole 221 penetrating to the end face of the mold cavity inside.

[0062] It can be seen from the embodiment that the fixed mold 2 comprises the first body 21 and the assembly groove 212;

[0063] The first body 21 is formed with a recessed cavity 211 (the structure of the recessed cavity 211 is set according to the specific product structure, and a rectangular buckle structure with an opening is taken as the mold cavity for convenience in the figure, and the shape of the recessed cavity 211 is designed to correspond to the mold cavity), further, one corner of the first body 21 has a notch, the notch is arc-shaped, and the side with the notch is set as a first arc-shaped surface 213, the first arc-shaped surface 213 is used to cooperate with the main body 71, thereby facilitating the assembly of the first body 21 with the first cavity 11 and the material guiding piece 7;

[0064] Further, the first arc-shaped surface 213 is provided with an assembly groove 212, by opening the assembly groove 212 on the first arc-shaped surface 213, a mounting space for the material distribution pipe 72 is reserved on the first body 21, thereby facilitating assembly, the inner side of the assembly groove 212 is provided with a material hole 221 corresponding to the material distribution pipe 72, the material hole 221 communicates the material distribution pipe 72 and the recessed cavity 211, thereby the mold material can be introduced into the mold cavity.

[0065] Embodiment 4:

[0066] The embodiment provides a multi-cavity injection molding mold for an automotive interior buckle stack, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0067] The first movable mold 4 comprises:

[0068] The second body 41 is provided with a parting protrusion 412, one corner of the second body 41 is provided with a second arc-shaped surface 411, and the second arc-shaped surface 411 cooperates with the main body 71;

[0069] The connecting protrusion 42 is arranged on the other side end face of the second body 41, the second cavity 31 is provided with a counterbore 311 corresponding to the connecting protrusion 42, the end face of the connecting protrusion 42 is provided with a first screw hole 421, and the counterbore 311 is provided with a second screw hole 312 corresponding to the first screw hole 421;

[0070] The bolt 43 is connected to the second screw hole 312 and the first screw hole 421 in sequence to fix the second body 41 to the second mold body 3.

[0071] It can be seen from the embodiment that the first movable mold 4 comprises the second body 41, the connecting protrusion 42 and the bolt 43;

[0072] The parting protrusion 412 is formed on one side end face of the second body 41, and the parting protrusion 412 forms a mold cavity after cooperating with the recessed cavity 211, further, one corner of the second body 41 has a notch, the notch is arc-shaped, and the side with the notch is set as a second arc-shaped surface 411, the second arc-shaped surface 411 is used to cooperate with the main body 71, thereby facilitating the assembly of the second body 41 with the second cavity 31 and the material guiding piece 7;

[0073] A connecting protrusion 42 is formed on the other side end face of the second body 41, and a first screw hole 421 is formed on the end face of the connecting protrusion 42. Further, a counterbore 311 is arranged on the end face of the second cavity 31 corresponding to the connecting protrusion 42, and a second screw hole 312 is formed on the end face of the counterbore 311. The second screw hole 312 corresponds to the first screw hole 421, and a bolt 43 is arranged in sequence in the second screw hole 312 and the first screw hole 421 to fix the second body 41 and the second mold body 3.

[0074] The second body 41 is movably connected with the second mold body 3, so that the second body 41 is convenient to disassemble during use, and only the second body 41 with the corresponding parting protrusion 412 needs to be replaced when different mold products are produced, thereby helping to reduce production costs.

[0075] Embodiment 5:

[0076] The embodiment provides an automobile interior buckle laminated multi-cavity injection molding mold, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0077] The second movable mold comprises:

[0078] The parting protrusion 6 is connected to the fixed mold 2 by the matching hole 12;

[0079] The fixed column 61 is arranged at the bottom of the parting protrusion 6, and the third mold body 5 is provided with a fixed hole 51 corresponding to the fixed column 61.

[0080] It can be seen from the embodiment that the second movable mold comprises the parting protrusion 6 and the fixed column 61;

[0081] The parting protrusion 6 is used for cooperating with the recess cavity 211 on the fixed mold 2 to form a mold cavity, the fixed column 61 is integrally formed at the bottom of the parting block, and the third mold body 5 is provided with a fixed hole 51 corresponding to the fixed column 61. In use, the fixed column 61 and the fixed hole 51 are directly inserted together in the form of a latch, and the connection between the parting protrusion 6 and the third mold body 5 is simple, thereby facilitating replacement and disassembly during use.

[0082] Embodiment 6:

[0083] The embodiment provides an automobile interior buckle laminated multi-cavity injection molding mold, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0084] The positioning protrusion 111 is arranged on the end face of the first cavity 11, and the main body 71 is provided with a positioning hole 712 corresponding to the positioning protrusion 111.

[0085] It can be seen from the embodiment that the positioning hole 712 is arranged on the end face of the first cavity 11, so that the material guiding piece 7 is convenient to install in use, and the structure exceeding the limit caused by displacement of the material guiding piece 7 can be avoided.

[0086] Embodiment 7:

[0087] The embodiment provides an automobile interior buckle laminated multi-cavity injection molding mold.

[0088] The magnetic element 8 is arranged on the positioning protrusion 111 and is adsorbed in the positioning hole 712.

[0089] It can be seen from the embodiment that the magnetic element 8 is arranged in the positioning protrusion 111 and adsorbed in the positioning hole 712, so that the material guiding piece 7 can be limited in movement by magnetic force in use, and the installation of the drag mold 2 is facilitated.

[0090] Embodiment 8:

[0091] The embodiment provides an automobile interior buckle laminated multi-cavity injection molding mold.

[0092] The pipe sleeve 9 is arranged on the inner side port of the material hole 221.

[0093] It can be seen from the embodiment that the pipe sleeve 9 is arranged on the material hole 221 and cooperates with the material distribution pipe 72, so that the material leakage of the mold can be effectively prevented, and the injection molding effect is good.

[0094] The embodiments of the application are described above in combination with the drawings, and the embodiments and the features in the embodiments in the application can be combined with each other without conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not limited, and a person skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all the forms belong to the protection of the application.

Claims

1. An automobile interior fastener stack multi-cavity injection molding mold characterized by, The utility model relates to a kind of injection molding machine, including: First die body (1), the first die body (1) is provided with first cavity (11) on, first cavity (11) is provided with multiple fixed moulds (2) in, second die body (3) is provided with second cavity (31) on, second cavity (31) is provided with multiple first movable mould (4) in, second die body (3) is arranged on the upside of first die body (1); Third die body (5), the third die body (5) is provided with multiple second movable mould on, the third die body (5) is arranged on the downside of first die body (1), and the first die body (1) is formed with matching hole (12) to fixed mould (2); Material guiding piece (7), the material guiding piece (7) is arranged in first cavity (11), and the fixed mould (2) is arranged in first cavity (11) with material guiding piece (7) as center circumferential array; Wherein, the second die body (3) is provided with through hole (32) corresponding to material guiding piece (7), and the fixed mould (2), first movable mould (4) and second movable mould form mould cavity after cooperation. Material guiding piece (7) includes:

2. The multi-cavity injection molding die for an automotive interior fastener stack according to claim 1, wherein, Main body (71), the main body (71) is cylindrical, and the main body (71) is provided with sprue (711) on; Material distribution pipe (72), the material distribution pipe (72) is arranged on main body (71) and is communicated with the bottom of sprue (711), and multiple groups are arranged on the material distribution pipe (72) in parallel up and down; Wherein, the material distribution pipe (72) in parallel is communicated with mould cavity. Fixed mould (2) includes:

3. The multi-cavity injection molding die for an automotive interior fastener stack according to claim 2, wherein, First body (21), the first body (21) is provided with recessed cavity (211) on, one corner of the first body (21) is provided with first arc surface (213), and the first arc surface (213) is matched with main body (71); Assembly groove (212), the assembly groove (212) is arranged on first arc surface (213) and is connected with material distribution pipe (72), and the assembly groove (212) is provided with material hole (221) that penetrates to end face of recessed cavity (211) in the inside corresponding material distribution pipe (72). First movable mould (4) includes:

4. The multi-cavity injection molding die for an automotive interior fastener stack according to claim 3, wherein, Second body (41), the second body (41) is provided with parting protrusion (412) on, one corner of the second body (41) is provided with second arc surface (411), and the second arc surface (411) is matched with main body (71); Connecting protrusion (42), the connecting protrusion (42) is arranged on the other side end face of second body (41), the second cavity (31) is provided with counterbore (311) corresponding connecting protrusion (42), the connecting protrusion (42) end face is provided with first screw hole (421), and the counterbore (311) is provided with second screw hole (312) corresponding first screw hole (421); Bolt (43), the bolt (43) is sequentially connected second screw hole (312), first screw hole (421) and fixes second body (41) to second die body (3). Second movable mould includes:

5. The multi-cavity injection molding die for an automotive interior fastener stack according to claim 4, wherein, Parting protrusion (6), the parting protrusion (6) is connected to fixed mould (2) by matching hole (12); ​ A fixing column (61) is arranged at the bottom of the split protrusion (6), and the third mold body (5) is provided with a fixing hole (51) corresponding to the fixing column (61).

6. The multi-cavity injection molding tool for an automotive interior fastener stack as defined in claim 5, further characterized by Comprise: A positioning protrusion (111) is arranged on the end face of the first cavity (11), and the main body (71) is provided with a positioning hole (712) corresponding to the positioning protrusion (111).

7. The multi-cavity injection molding tool for an automotive interior fastener stack according to claim 6, further characterized by Comprise: A magnetic force piece (8) is arranged on the positioning protrusion (111) and is adsorbed in the positioning hole (712).

8. The multi-cavity injection molding tool for an automotive interior fastener stack according to claim 7, further characterized by Comprise: A pipe sleeve (9) is arranged on the inner side port of the material hole (221).