Injection mold for plastic daily necessities

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for plastic daily necessities. The injection mold comprises an upper mold plate, a connecting plate assembly is arranged below the upper mold plate, a first injection molding opening assembly and a second injection molding opening assembly are inserted into the two sides of the upper mold plate and the connecting plate assembly respectively, a first upper mold base and a second upper mold base are arranged below the connecting plate assembly respectively, and a first combination base and a second combination base are arranged below the first upper mold base. And meanwhile, a lower mold base is pressed below the second combination base and the second upper mold base, mold core blocks are inserted into the first upper mold core groove and the second upper mold core groove, and a limiting block and a lower mold plate are arranged below the lower mold base. And the cost of the mold is reduced, the condition of mismatching after production is avoided, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and relates to an injection mold for plastic daily necessities. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a variety of colors and patterns, the shape can range from simple to complex, the size can range from large to small, and the product size is precise, the product is easy to update, and it can form parts with complex shapes. Injection molding is suitable for mass production and molding processing fields of products with complex shapes. For existing plastic daily necessities, the matrix is integrally formed by one mold, and for some daily necessities with a combined mode, such as those with lids, they are manufactured using two molds respectively, which will increase the cost of the molds. At the same time, after molding, there will be a situation of non-matching, thereby reducing the production efficiency. Therefore, an injection mold for plastic daily necessities is proposed for the above problems. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an injection mold for plastic daily necessities for the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An injection mold for plastic daily necessities includes an upper template. A connection plate assembly is provided below the upper template, and a first injection port assembly and a second injection port assembly are respectively inserted on both sides of the upper template and the connection plate assembly. On both sides below the connection plate assembly, a first upper mold base and a second upper mold base are respectively provided. A first combined seat is provided below the first upper mold base, and a second combined seat is provided below the first combined seat. The second combined seat and the second upper mold base press and fit a lower mold base below. On both sides above the lower mold base, mold core blocks are provided. One side of the mold core block is placed in the second combined seat, the first combined seat and the first upper mold base, and at the same time, the other side of the mold core block is placed in the second upper mold base. A limiting plate is provided below the lower mold base, and a lower template is provided below the limiting plate. Mold core column assemblies are provided on both sides between the limiting plate and the lower mold base, and the upper parts of the core column assemblies are inserted into the mold core blocks.

[0006] In the above injection mold for plastic daily necessities, the connection plate assembly is fixedly connected below the upper template, and the first injection port assembly and the second injection port assembly are respectively inserted on both sides of the upper template and the connection plate assembly. At the same time, the middle parts of the first injection port assembly and the second injection port assembly are placed in the connection plate assembly. On both sides below the connection plate assembly, the first upper mold base and the second upper mold base are respectively fixedly connected.

[0007] In the above-mentioned injection mold for plastic daily necessities, the lower ends of the first injection port assembly and the second injection port assembly are respectively inserted into the first upper mold base and the second upper mold base, and the bottom port of the first injection port assembly is flush with the bottom of the first upper mold base, while the bottom port of the second injection port assembly is flush with the bottom of the second upper mold base.

[0008] In the above-mentioned injection mold for plastic daily necessities, a first combined seat is fixedly connected below the first upper mold base, a second combined seat is fixedly connected below the first combined seat, and the bottom of the second combined seat is flush with the bottom of the second upper mold base.

[0009] In the above-mentioned injection mold for plastic daily necessities, a first upper mold core groove is jointly provided in the first upper mold base, the first combined seat and the second combined seat, and a second upper mold core groove is formed in the second upper mold base.

[0010] In the above-mentioned injection mold for plastic daily necessities, positioning columns are fixedly connected to the four corners below the second combined seat and the four corners below the second upper mold base respectively. A plurality of positioning holes are formed above the lower mold base, and the lower parts of the positioning columns are inserted and slidably connected in the positioning holes.

[0011] In the above-mentioned injection mold for plastic daily necessities, mold core blocks are fixedly connected to both sides above the lower mold base, and the mold core blocks are respectively inserted into the first upper mold core groove and the second upper mold core groove. At the same time, two cavities are formed between the upper part of the lower mold base and the outer walls of the mold core blocks and the first upper mold core groove and the second upper mold core groove respectively.

[0012] In the above-mentioned injection mold for plastic daily necessities, a limiting plate is fixedly connected below the lower mold base, core column assemblies are fixedly connected to both sides of the limiting plate, and the two core column assemblies are symmetrically inclined. At the same time, the upper parts of the two core column assemblies are placed inside the bottom of the lower mold base.

[0013] In the above-mentioned injection mold for plastic daily necessities, the vertical column in the middle of the core column assembly is inserted and slidably connected into the mold core block, and there are gaps between the top parts of the vertical columns in the middle of the core column assembly and the bottoms of the first upper mold core groove and the second upper mold core groove respectively.

[0014] In the above-mentioned injection mold for plastic daily necessities, a lower template is fixedly connected below the limiting plate.

[0015] Compared with the existing technology, the advantages of the present utility model are as follows:

[0016] In the utility model, a connection plate assembly is arranged below the upper template, and the two sides of the upper template and the connection plate assembly are respectively inserted into the first injection port assembly and the second injection port assembly. A first upper die base and a second upper die base are respectively arranged below the connection plate assembly. A first combination base and a second combination base are arranged below the first upper die base. At the same time, the second combination base and the second upper die base are pressed against the lower die base. Core block inserts are inserted into both the first upper die core groove and the second upper die core groove. A limiting block and a lower template are arranged below the lower die base. By using one mold to form two cavities to inject and produce matching product parts, and both are completed simultaneously, the cost of the mold is reduced, the situation of non-matching after production is avoided, and the production efficiency is increased.

[0017] Other advantages, objectives and features of the utility model will be partially reflected by the following description, and partially will also be understood by those skilled in the art through the research and practice of the utility model. Brief Description of the Drawings

[0018] Figure 1 is the overall schematic diagram of the utility model;

[0019] Figure 2 is the overall exploded top view schematic diagram of the utility model;

[0020] Figure 3 is the overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 is one of the internal structure cooperation schematic diagrams of the utility model;

[0022] Figure 5 is the other internal structure cooperation schematic diagram of the utility model.

[0023] In the figure: 1. Upper template; 2. First injection port assembly; 21. Second injection port assembly; 3. Connection plate assembly; 4. First upper die base; 5. First combination base; 6. Second combination base; 7. Second upper die base; 8. Lower die base; 9. Limiting plate; 10. Lower template; 11. Core column assembly; 12. Core block insert; 13. First upper die core groove; 14. Second upper die core groove; 15. Positioning column. Detailed Description of the Preferred Embodiment

[0024] The following further describes the utility model with reference to the accompanying drawings.

[0025] Such as Figures 1-5As shown in the figure, an injection mold for plastic daily necessities includes an upper template 1. A connecting plate assembly 3 is provided below the upper template 1. A first injection port assembly 2 and a second injection port assembly 21 are respectively inserted on both sides of the upper template 1 and the connecting plate assembly 3. First upper die bases 4 and second upper die bases 7 are respectively provided on both sides below the connecting plate assembly 3. A first combined seat 5 is provided below the first upper die base 4. At the same time, a second combined seat 6 is provided below the first combined seat 5. The second combined seat 6 and the second upper die base 7 are pressed against a lower die base 8. Mold core blocks 12 are provided on both sides above the lower die base 8. One side of the mold core block 12 is placed in the second combined seat 6, the first combined seat 5 and the first upper die base 4. At the same time, the other side of the mold core block 12 is placed in the second upper die base 7. A limiting plate 9 is provided below the lower die base 8. A lower template 10 is provided below the limiting plate 9. Mold core column assemblies 11 are provided on both sides between the limiting plate 9 and the lower die base 8. The upper parts of the core column assemblies 11 are inserted into the mold core blocks 12.

[0026] The connecting plate assembly 3 is fixedly connected below the upper template 1. The first injection port assembly 2 and the second injection port assembly 21 are respectively inserted on both sides of the upper template 1 and the connecting plate assembly 3. At the same time, the middle parts of the first injection port assembly 2 and the second injection port assembly 21 are placed in the connecting plate assembly 3. The first upper die base 4 and the second upper die base 7 are respectively fixedly connected to both sides below the connecting plate assembly 3.

[0027] Further, the lower ends of the first injection port assembly 2 and the second injection port assembly 21 are respectively inserted into the first upper die base 4 and the second upper die base 7. The bottom port of the first injection port assembly 2 is flush with the bottom of the first upper die base 4. At the same time, the bottom port of the second injection port assembly 21 is flush with the bottom of the second upper die base 7.

[0028] The first injection port assembly 2 and the second injection port assembly 21 are respectively inserted on both sides of the upper template 1 and the connecting plate assembly 3, enabling injection molding to be carried out at two places inside the entire mold. The injection end lengths of the first injection port assembly 2 and the second injection port assembly 21 are different. At the same time, the first injection port assembly 2 and the second injection port assembly 21 are respectively inserted into the first upper die base 4 and the second upper die base 7, so that the molded parts inside the lower part of the first upper die base 4 and the molded parts inside the lower part of the second upper die base 7 can be matched.

[0029] The first combined seat 5 is fixedly connected below the first upper die base 4. The second combined seat 6 is fixedly connected below the first combined seat 5. The bottom of the second combined seat 6 is flush with the bottom of the second upper die base 7.

[0030] Further, a first upper mold core groove 13 is jointly provided in the first upper die base 4, the first combined seat 5 and the second combined seat 6. A second upper mold core groove 14 is provided in the second upper die base 7.

[0031] Below the first upper die base 4, a first combined base 5 and a second combined base 6 are integrated. This combination can be replaced, and through the design inside the first combined base 5 and the second combined base 6, a product part different from that inside the second upper die base 7 is formed.

[0032] Positioning columns 15 are fixedly connected at the four corners below the second combined base 6 and the four corners below the second upper die base 7. A plurality of positioning holes are provided in the upper part of the lower die base 8, and the lower parts of the positioning columns 15 are inserted and slidably connected into the positioning holes.

[0033] The positioning columns 15 provided below the second combined base 6 and the second upper die base 7 are for ensuring the accuracy of die closing during die closing.

[0034] Die core blocks 12 are fixedly connected to both sides of the upper part of the lower die base 8, and the die core blocks 12 are respectively inserted into the first upper die core groove 13 and the second upper die core groove 14. At the same time, two cavities are formed between the upper part of the lower die base 8, the outer walls of the die core blocks 12 and the first upper die core groove 13, the second upper die core groove 14 respectively.

[0035] Furthermore, a limiting plate 9 is fixedly connected to the lower part of the lower die base 8, and core column assemblies 11 are fixedly connected to both sides of the limiting plate 9. The two core column assemblies 11 are symmetrically inclined, and at the same time, the upper parts of the two core column assemblies 11 are placed inside the bottom of the lower die base 8.

[0036] Furthermore, the vertical columns in the middle of the core column assemblies 11 are inserted and slidably connected into the die core blocks 12, and there are gaps between the top parts of the vertical columns in the middle of the core column assemblies 11 and the bottoms of the first upper die core groove 13 and the second upper die core groove 14 respectively.

[0037] Furthermore, a lower template 10 is fixedly connected to the lower part of the limiting plate 9.

[0038] The core column assemblies 11 provided on the limiting plate 9, and the vertical ends in the middle of the core column assemblies 11 are inserted into the die core blocks 12, so that the die core blocks 12 are accurately installed. At the same time, the top parts of the vertical ends in the middle of the core column assemblies 11 and the bottoms of the first upper die core groove 13 and the second upper die core groove 14 form the center of the bottom of the cavity.

[0039] Working principle:

[0040] A connecting plate assembly 3 is provided below the upper template 1. The two sides of the upper template 1 and the connecting plate assembly 3 are respectively inserted into the first injection port assembly 2 and the second injection port assembly 21. The middle parts of the first injection port assembly 2 and the second injection port assembly 21 are placed inside the connecting plate assembly 3. The first injection port assembly 2 and the second injection port assembly 21 are used to simultaneously inject injection liquid into two cavities inside the mold. A first upper mold base 4 and a second upper mold base 7 are respectively provided below the connecting plate assembly 3. A first combined seat 5 and a second combined seat 6 are provided below the first upper mold base 4. After the first upper mold base 4, the first combined seat 5 and the second combined seat 6 are formed into one body, they are at the same height as the second upper mold base 7, so as to be simultaneously pressed together with the lower mold base 8. Mold core blocks 12 are inserted into both the first upper mold core groove 13 and the second upper mold core groove 14, and the upper plane of the lower mold base 8 is used to seal the lower part, thus forming two cavities. Since the first upper mold core groove 13 is jointly formed by the first upper mold base 4, the first combined seat 5 and the second combined seat 6, after injection molding, the product parts formed inside the first upper mold core groove 13 and the product parts inside the second upper mold core groove 14 can be matched, but the two are inside a single mold body and can be formed and ejected simultaneously.

[0041] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention.

[0042] Although terms such as 1, upper template; 2, first injection port assembly; 21, second injection port assembly; 3, connecting plate assembly; 4, first upper mold base; 5, first combined seat; 6, second combined seat; 7, second upper mold base; 8, lower mold base; 9, limiting plate; 10, lower template; 11, core column assembly; 12, mold core block; 13, first upper mold core groove; 14, second upper mold core groove; 15, positioning column are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present invention, and interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A plastic daily necessities injection mold, comprising an upper mold plate (1), characterized in that: A connecting plate assembly (3) is provided below the upper template (1), and a first injection port assembly (2) and a second injection port assembly (21) are respectively inserted on both sides of the upper template (1) and the connecting plate assembly (3), a first upper mold base (4) and a second upper mold base (7) are respectively provided on both sides below the connecting plate assembly (3), and a first combination seat (5) is provided below the first upper mold base (4), and a second combination seat (6) is provided below the first combination seat (5), and a lower mold base (8) is pressed together with the second combination seat (6) and the second upper mold base (7) below. Core blocks (12) are provided on both sides above the lower die seat (8), and the core block (12) on one side is placed in the second assembly seat (6), the first assembly seat (5) and the first upper die seat (4), while the core block (12) on the other side is placed in the second upper die seat (7). A limit plate (9) is provided below the lower die seat (8), and a lower mold plate (10) is provided below the limit plate (9). Core column assemblies (11) are provided on both sides between the limit plate (9) and the lower die seat (8), and the core column assembly (11) is inserted into the core block (12) above.

2. The plastic daily necessities injection mold according to claim 1, characterized in that: The upper template (1) is fixedly connected to a connecting plate assembly (3) at the bottom, and the first injection port assembly (2) and the second injection port assembly (21) are respectively inserted into the upper template (1) and the connecting plate assembly (3) on both sides, while the middle of the first injection port assembly (2) and the middle of the second injection port assembly (21) are placed in the connecting plate assembly (3), and the first upper mold base (4) and the second upper mold base (7) are respectively fixedly connected to the two sides of the lower side of the connecting plate assembly (3).

3. The plastic daily necessities injection mold according to claim 2, characterized in that: The lower end of the first injection port assembly (2) and the lower end of the second injection port assembly (21) are respectively inserted into the first upper mold base (4) and the second upper mold base (7), and the bottom port of the first injection port assembly (2) is flush with the bottom of the first upper mold base (4), while the bottom port of the second injection port assembly (21) is flush with the bottom of the second upper mold base (7).

4. The plastic daily necessities injection mold according to claim 3, characterized in that: The first upper die seat (4) is fixedly connected to the first assembly seat (5) below, and the first assembly seat (5) is fixedly connected to the second assembly seat (6) below, and the bottom of the second assembly seat (6) is flush with the bottom of the second upper die seat (7).

5. The plastic daily necessities injection mold according to claim 4, characterized in that: The first upper die seat (4), the first combined seat (5) and the second combined seat (6) are all provided with a first upper die core groove (13), and the second upper die seat (7) is provided with a second upper die core groove (14).

6. The plastic daily necessities injection mold according to claim 5, characterized in that: The four corners below the second assembly seat (6) and the four corners below the second upper die seat (7) are fixedly connected with positioning columns (15); a plurality of positioning holes are opened above the lower die seat (8), and the positioning holes are inserted into the positioning columns (15) for sliding connection.

7. The plastic daily necessities injection mold according to claim 6, characterized in that: The upper sides of the lower mold base (8) are fixedly connected to core blocks (12), and the core blocks (12) are respectively inserted into the first upper mold core groove (13) and the second upper mold core groove (14). At the same time, the upper side of the lower mold base (8) and the outer wall of the core block (12) respectively form two cavities with the first upper mold core groove (13) and the second upper mold core groove (14).

8. The plastic daily necessities injection mold according to claim 7, characterized in that: The lower die base (8) is fixedly connected to a limit plate (9), and both sides of the limit plate (9) are fixedly connected to core column assemblies (11), and the two core column assemblies (11) are obliquely symmetrical, and the upper parts of the two core column assemblies (11) are placed in the bottom of the lower die base (8).

9. The plastic daily necessities injection mold according to claim 8, characterized in that: The middle vertical column of the core column assembly (11) is inserted into the sliding connection mold core block (12), and there is a gap between the top of the middle vertical column of the core column assembly (11) and the bottom of the first upper mold core groove (13) and the bottom of the second upper mold core groove (14).

10. The plastic daily necessities injection mold according to claim 9, characterized in that: The lower portion of the limiting plate (9) is fixedly connected to a lower template (10).

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