Thick-wall plastic kettle forming mold

By designing a thick-walled plastic kettle mold, the combined structure of injection molded port components, sealing plates, pushing plates and top columns is used to solve the problem of clipping after forming of plastic kettle, the smooth removal of product parts is achieved, and the production cost and labor volume are reduced.

CN222987489UActive Publication Date: 2025-06-17ZHEJIANG BETTER PLASTIC CO LTD
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Patent Information

Application Number
CN202422182863.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-06-17
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

After injection molding, existing plastic kettles are easily caused by adsorption of the mold structure, resulting in deformation or edge formation of product parts, increasing production costs and labor.

Method used

A thick-walled plastic kettle mold is designed. By installing injection molding port components and sealing plates above the upper template, and a pushing plate and a lower mold core component are provided in the lower mold base. Combined with the structure of the top plate and the top column, the direct ejection of the product parts is achieved to avoid the phenomenon of jams.

Benefits of technology

It effectively prevents the phenomenon of clips when picking up the product parts, avoids deformation or edge formation, and reduces scrap rate, production cost and labor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222987489U_ABST
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Abstract

The utility model belongs to the technical field of molds, and particularly relates to a thick-wall plastic kettle forming mold. The injection mold comprises an upper mold plate, an injection molding opening assembly and a sealing plate are arranged in the upper portion of the upper mold plate, an upper mold base is arranged below the upper mold plate, an upper mold core piece is arranged on the upper portion in a mold core through hole part 2 of the upper mold base, the upper mold core piece is inserted into the lower portion of the injection molding opening assembly, and a lower mold base is arranged below the upper mold base. A through hole part is formed in the lower mold base, a push piece plate and a lower mold core piece are arranged in the lower mold base, meanwhile, the upper part of the lower mold core piece is inserted into the through hole part of the mold core, a lower mold plate is arranged below the lower mold base, a top plate is arranged in the bottom of the lower mold plate, and a top column is inserted into the top plate. The product can be directly ejected out from the inside of the mold, so that the situation that the product is clamped during taking is prevented, the situation that the product is deformed or ripped is avoided, and the rejection rate, the production cost and the labor capacity are reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a forming mold for a thick-wall plastic water kettle. Background Art

[0002] A forming mold, also known as a mold, is a mold made according to the shape and structure of an object in proportion, and is a tool for making materials into a certain shape by pressing or pouring methods. Currently, plastic water kettles are usually produced using injection molding molds. When the existing plastic water kettles are injection molded, since the water kettles are sleeved on the structure inside the mold after forming, they have a certain adsorption to the structure inside the mold, and it is easy to cause the phenomenon of stuck parts during part taking, resulting in deformation or edge lifting of the product parts, etc., thus causing the product parts to be scrapped and remolded twice, increasing the production cost and labor amount, and reducing the work efficiency. Therefore, an atmospheric condensing wall-mounted boiler is proposed for the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a forming mold for a thick-wall plastic water kettle for the above problems.

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

[0005] A forming mold for a thick-wall plastic water kettle includes an upper template. An injection port assembly is arranged inside the upper template, and a sealing plate is arranged above the injection port assembly. A upper mold base is arranged below the upper template, and an upper mold core part is arranged inside the upper mold base above. At the same time, the bottom of the injection port assembly is inserted into the upper mold core part. A lower mold base is arranged below the upper mold base, and a push plate and a lower mold core part are arranged inside the lower mold base. At the same time, the upper part of the lower mold core part is inserted into the upper mold base. A lower template is arranged below the lower mold base, and a top plate is arranged inside the bottom of the lower template. Support columns are arranged above the lower template, and the upper parts of the support columns are inserted into the lower mold base. The lower part of a ejector pin is inserted into the top plate, the middle part of the ejector pin passes through the lower template, and the upper part of the ejector pin is inserted into the lower mold base.

[0006] In the above-mentioned forming mold for a thick-wall plastic water kettle, a runner groove part is opened inside the upper part of the upper template, and the injection port assembly is fixedly connected inside the runner groove part. At the same time, the bottom of the injection port assembly penetrates through the bottom of the upper template. The top of the runner groove part is fixedly connected with the sealing plate, and the bottom of the sealing plate is attached to the upper part of the injection port assembly. At the same time, a diversion channel is opened inside the injection port assembly.

[0007] In the above-mentioned forming mold for a thick-wall plastic water kettle, the upper template is fixedly connected with the upper mold base below, and a mold core through-hole part is opened inside the upper mold base. The upper part of the mold core through-hole part is inserted and slidably connected with the upper mold core part, and the top of the upper mold core part is flush with the top of the upper mold base. The bottom of the injection port assembly is inserted and fixedly connected inside the upper mold core part, and the injection port assembly is communicated with the inside of the mold core through-hole part.

[0008] In the above-mentioned thick-walled plastic kettle forming die, a convex part is fixedly connected to the bottom of the upper die base, and a die core through-hole part is arranged below the convex part. A groove part is formed in the upper part of the lower die base, and the convex part is inserted and slidably connected in the groove part. At the same time, the top of the lower die base is closely attached to the bottom of the upper die base.

[0009] In the above-mentioned thick-walled plastic kettle forming die, a step part is formed at the bottom of the groove part, and a through-hole part is formed in the step part. A push plate is inserted and slidably connected in the groove part, and the side surface of the push plate is closely attached to the inner part of the groove part. At the same time, the top of the push plate is closely attached to the bottom of the convex part.

[0010] In the above-mentioned thick-walled plastic kettle forming die, the middle part of the lower die core part is inserted and slidably connected in the push plate, and the upper part of the lower die core part is inserted into the die core through-hole part. At the same time, a T-shaped part is arranged below the lower die core part. The T-shaped part is placed below the push plate and is respectively inserted into the step part and the through-hole part.

[0011] In the above-mentioned thick-walled plastic kettle forming die, a lower template is fixedly connected to the lower part of the lower die base, and the top of the lower template is attached to the bottom of the T-shaped part. A support column is fixedly connected above the lower template, and the upper part of the support column is respectively inserted into the lower die base and the push plate.

[0012] In the above-mentioned thick-walled plastic kettle forming die, a moving groove part is formed at the bottom of the lower template, and a top plate is slidably connected in the moving groove part. At the same time, there is a distance between the top of the top plate and the inner top of the moving groove part.

[0013] In the above-mentioned thick-walled plastic kettle forming die, a plurality of ejector pins are fixedly connected below the top plate, and the middle part of the ejector pins penetrates and is slidably connected to the lower template.

[0014] In the above-mentioned thick-walled plastic kettle forming die, the upper parts of the ejector pins are respectively inserted into the lower die base and the push plate, and the upper parts of the ejector pins are fixedly connected to the push plate. At the same time, the tops of the ejector pins are flush with the top of the push plate.

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

[0016] In the utility model, an injection port assembly and a sealing plate are arranged inside the upper template above, and an upper die base is arranged below the upper template. An upper die core part is arranged above the die core through-hole part 2 of the upper die base, and the lower part of the injection port assembly is inserted into the upper die core part. A lower die base is arranged below the upper die base, and a push plate and a lower die core part are arranged inside the lower die base. At the same time, the upper part of the lower die core part is inserted into the die core through-hole part. A lower template is arranged below the lower die base, and a top plate is arranged inside the bottom of the lower template. A ejector pin is inserted into the top plate. By using the cooperation of the top plate, the ejector pin and the push plate arranged inside the mold, after the product part is injection molded, the product part can be directly ejected from the inside of the mold, preventing the situation of clamping parts during taking, avoiding the deformation or edge lifting of the product part, and reducing the rejection rate, production cost and labor volume.

[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 the internal structure schematic diagram of the utility model;

[0022] Figure 5 is the overall side sectional view schematic diagram of the utility model.

[0023] In the figure: 1. Upper template; 101. Runner groove part; 2. Upper die base; 201. Protrusion part; 202. Die core through-hole part; 3. Lower die base; 301. Groove part; 302. Step part; 303. Through-hole part; 4. Lower template; 401. Moving groove part; 5. Injection port assembly; 6. Sealing plate; 7. Upper die core part; 8. Lower die core part; 801. T-shaped part; 9. Push plate; 10. Top plate; 11. Support column; 12. Ejector pin. Detailed Description of the Preferred Embodiments

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

[0025] Such as Figures 1-5As shown in the figure, a forming mold for a thick-walled plastic kettle includes an upper template 1. An injection port assembly 5 is provided inside the upper template 1, and a sealing plate 6 is provided above the injection port assembly 5. A upper mold base 2 is provided below the upper template 1, and an upper mold core member 7 is provided inside the upper mold base 2 above. At the same time, the bottom of the injection port assembly 5 is inserted into the upper mold core member 7. A lower mold base 3 is provided below the upper mold base 2, and a push plate 9 and a lower mold core member 8 are provided inside the lower mold base 3. At the same time, the upper part of the lower mold core member 8 is inserted into the upper mold base 2. A lower template 4 is provided below the lower mold base 3, and a top plate 10 is provided inside the bottom of the lower template 4. Support columns 11 are provided above the lower template 4, and the upper parts of the support columns 11 are inserted into the lower mold base 3. The lower part of a ejector pin 12 is inserted into the top plate 10, and the middle part of the ejector pin 12 passes through the lower template 4. At the same time, the upper part of the ejector pin 12 is inserted into the lower mold base 3.

[0026] A runner groove part 101 is provided inside the upper part of the upper template 1. The injection port assembly 5 is fixedly connected inside the runner groove part 101. At the same time, the bottom of the injection port assembly 5 penetrates through the bottom of the upper template 1. The top of the runner groove part 101 is fixedly connected to the sealing plate 6, and the bottom of the sealing plate 6 is attached to the upper part of the injection port assembly 5. At the same time, a diversion channel is provided inside the injection port assembly 5.

[0027] Furthermore, the upper template 1 is fixedly connected to the upper mold base 2 below. A mold core through hole part 202 is provided inside the upper mold base 2. The upper part of the mold core through hole part 202 is inserted and slidably connected to the upper mold core member 7. The top of the upper mold core member 7 is flush with the top of the upper mold base 2. The bottom of the injection port assembly 5 is inserted and fixedly connected inside the upper mold core member 7. The injection port assembly 5 is communicated with the inside of the mold core through hole part 202.

[0028] The injection port assembly 5 provided inside the upper part of the upper template 1 injects into the entire mold interior. Since a diversion channel is provided above the injection port assembly 5 and is sealed by the sealing plate 6 to prevent overflow. An upper mold core member 7 is provided inside the upper mold base 2 provided below the upper template 1, and a mold core through hole part 202 is provided inside the upper mold base 2. The injection liquid is injected into the mold core through hole part 202 by the injection port assembly 5 through the upper mold core member 7.

[0029] Furthermore, a convex part 201 is fixedly connected to the bottom of the upper mold base 2, and the lower part of the mold core through hole part 202 is provided inside the convex part 201. A groove part 301 is provided inside the upper part of the lower mold base 3, and the convex part 201 is inserted and slidably connected inside the groove part 301. At the same time, the top of the lower mold base 3 is closely attached to the bottom of the upper mold base 2.

[0030] Furthermore, a step part 302 is provided at the bottom of the groove part 301, and a through hole part 303 is provided inside the step part 302. The push plate 9 is clamped and slidably connected inside the groove part 301. The side surface of the push plate 9 is closely attached to the inside of the groove part 301. At the same time, the top of the push plate 9 is closely attached to the bottom of the convex part 201.

[0031] A ejector plate 9 is provided inside the lower die base 3. After the convex part 201 provided at the bottom of the upper die base 2 is inserted into the groove part 301 inside the lower die base 3, the bottom of the die core through-hole part 202 inside the upper die base 2 will be sealed by the ejector plate 9.

[0032] Further, the middle part of the lower die core part 8 is inserted and slidably connected inside the ejector plate 9, and the upper part of the lower die core part 8 is inserted into the die core through-hole part 202. At the same time, a T-shaped part 801 is provided below the lower die core part 8. The T-shaped part 801 is placed below the ejector plate 9, and the T-shaped part 801 is respectively inserted into the stepped part 302 and the through-hole part 303.

[0033] The upper part of the lower die core part 8 provided inside the ejector plate 9 is inserted into the die core through-hole part 202. In this way, a cavity is formed between the outer wall of the lower die core part 8 and the inner wall of the die core through-hole part 202.

[0034] The lower die base 3 is fixedly connected to the lower template 4 below, and the top of the lower template 4 is in contact with the bottom of the T-shaped part 801. A support column 11 is fixedly connected above the lower template 4, and the upper part of the support column 11 is respectively inserted into the lower die base 3 and the ejector plate 9.

[0035] Further, a moving groove part 401 is opened at the bottom of the lower template 4, and a top plate 10 is slidably connected inside the moving groove part 401. At the same time, there is a distance between the top of the top plate 10 and the top inside the moving groove part 401.

[0036] Further, a plurality of ejector pins 12 are fixedly connected below the top plate 10, and the middle part of the ejector pins 12 penetrates and is slidably connected to the lower template 4.

[0037] Further, the upper parts of the ejector pins 12 are respectively inserted into the lower die base 3 and the ejector plate 9, and the upper parts of the ejector pins 12 are fixedly connected to the ejector plate 9. At the same time, the tops of the ejector pins 12 are flush with the top of the ejector plate 9.

[0038] A top plate 10 is provided inside the moving groove part 401 at the bottom of the lower template 4, so that the top plate 10 can move upward inside the moving groove part 401. Ejector pins 12 are inserted on the top plate 10, and the upper parts of the ejector pins 12 are inserted into the ejector plate 9. When the top plate 10 moves upward, the ejector pins 12 can be used to push the product part inside the mold.

[0039] Working principle:

[0040] Above the upper template 1, an injection port assembly 5 and a sealing plate 6 are provided inside, and a upper die base 2 is provided below the upper template 1. Above the die core through-hole part 202 of the upper die base 2, an upper die core part 7 is provided, and the lower part of the injection port assembly 5 is inserted into the upper die core part 7. In this way, the injection port assembly 5 can inject injection liquid into the die core through-hole part 202. A lower die base 3 is provided below the upper die base 2, and a ejector plate 9 and a lower die core part 8 are provided inside the lower die base 3. At the same time, the upper part of the lower die core part 8 is inserted into the die core through-hole part 202. In this way, the bottom of the upper die core part 7, the inner wall of the die core through-hole part 202, the outer wall of the lower die core part 8 and the top of the ejector plate 9 form a molding cavity, and a product part is injection molded inside. A lower template 4 is provided below the lower die base 3, and a top plate 10 is provided inside the bottom of the lower template 4. Under the action of an external force, the top plate 10 can move up and down in the moving groove part 401 inside the bottom of the lower template 4. A ejector pin 12 is inserted into the top plate 10, and the top of the ejector pin 12 is inserted into the ejector plate 9. When the mold is opened after injection molding, first, the matching structure of the upper die base 2 and the upper template 1 above leaves. At this time, the product part is stuck outside the upper part of the lower die core part 8. Then the top plate 10 moves upward, and the ejector pin 12 will push the ejector plate 9 upward to eject the product part from the lower die core part 8, and the product part is taken off.

[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 ways to replace them, but will not deviate from the spirit of the present invention.

[0042] Although terms such as 1, upper template; 101, runner groove part; 2, upper die base; 201, convex part; 202, die core through-hole part; 3, lower die base; 301, groove part; 302, step part; 303, through-hole part; 4, lower template; 401, moving groove part; 5, injection port assembly; 6, sealing plate; 7, upper die core part; 8, lower die core part; 801, T-shaped part; 9, ejector plate; 10, top plate; 11, support column; 12, ejector pin are used more in this article, the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain 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 thick-walled plastic kettle forming mold, comprising an upper mold plate (1), characterized in that: An injection port assembly (5) is provided on the upper mold plate (1), and a sealing plate (6) is provided above the injection port assembly (5); an upper mold base (2) is provided below the upper mold base (1), and an upper mold core (7) is provided above the upper mold base (2), and the bottom of the injection port assembly (5) is inserted into the upper mold core (7); a lower mold base (3) is provided below the upper mold base (2), and a push plate (9) and a lower mold core (8) are provided in the lower mold base (3), and the lower mold core (8) is inserted in the upper mold base (2) at the top, a lower mold plate (4) is provided below the lower mold base (3), and a top plate (10) is provided at the bottom of the lower mold plate (4), a support column (11) is provided above the lower mold plate (4), and the support column (11) is inserted in the lower mold base (3) at the top, a top column (12) is inserted in the top plate (10), and the middle part of the top column (12) passes through the lower mold plate (4), and the top of the top column (12) is inserted into the lower mold base (3).

2. The thick-wall plastic kettle forming mold according to claim 1, characterized in that: A flow channel groove (101) is provided on the upper portion of the upper template (1), and the flow channel groove (101) is fixedly connected to the injection port assembly (5), and the bottom of the injection port assembly (5) passes through the bottom of the upper template (1), and the top of the flow channel groove (101) is fixedly connected to the sealing plate (6), and the bottom of the sealing plate (6) is in contact with the upper portion of the injection port assembly (5), and a flow guide is provided in the injection port assembly (5).

3. The thick-wall plastic kettle forming mold according to claim 2, characterized in that: The upper mold plate (1) is fixedly connected to the upper mold base (2) at the bottom, and a mold core through hole portion (202) is provided in the upper mold base (2); an upper mold core member (7) is inserted into the mold core through hole portion (202) for sliding connection, and the top of the upper mold core member (7) is flush with the top of the upper mold base (2); the bottom of the injection port assembly (5) is inserted into the upper mold core member (7) for fixed connection, and the injection port assembly (5) is communicated with the mold core through hole portion (202).

4. The thick-wall plastic kettle forming mold according to claim 3, characterized in that: The bottom of the upper die base (2) is fixedly connected to a raised portion (201), and a mold core through hole portion (202) is provided in the raised portion (201). The top of the lower die base (3) is provided with a groove portion (301), and the raised portion (201) is inserted into the groove portion (301) for sliding connection, and the top of the lower die base (3) is tightly fitted with the bottom of the upper die base (2).

5. The thick-wall plastic kettle forming mold according to claim 4, characterized in that: The bottom of the groove portion (301) is provided with a step portion (302), and the step portion (302) is provided with a through hole portion (303). A slidingly connected push plate (9) is inserted into the groove portion (301), and the side surface of the push plate (9) is tightly fitted with the inside of the groove portion (301), while the top of the push plate (9) is tightly fitted with the bottom of the protruding portion (201).

6. The thick-wall plastic kettle forming mold according to claim 5, characterized in that: The push plate (9) is inserted into the middle part of the slidingly connected lower mold core part (8), and the upper part of the lower mold core part (8) is inserted into the mold core through hole part (202). At the same time, a T-shaped part (801) is provided below the lower mold core part (8). The T-shaped part (801) is placed below the push plate (9), and the T-shaped part (801) is respectively inserted into the step part (302) and the through hole part (303).

7. The thick-wall plastic kettle forming mold according to claim 6, characterized in that: The lower mold base (3) is fixedly connected to the lower mold plate (4) at the bottom, and the top of the lower mold plate (4) is in contact with the bottom of the T-shaped member (801). The upper part of the lower mold plate (4) is fixedly connected to the support column (11), and the upper part of the support column (11) is respectively inserted into the lower mold base (3) and the push plate (9).

8. The thick-wall plastic kettle forming mold according to claim 7, characterized in that: A movable groove (401) is provided at the bottom of the lower template (4), and the movable groove (401) is slidably connected to the top plate (10), and there is a distance between the top of the top plate (10) and the top of the movable groove (401).

9. The thick-wall plastic kettle forming mold according to claim 8, characterized in that: The top plate (10) is fixedly connected to the bottom of a plurality of top columns (12), and the middle of the top columns (12) penetrates into the lower template (4) for sliding connection.

10. The thick-wall plastic kettle forming mold according to claim 9, characterized in that: The top of the top column (12) is respectively inserted into the lower mold base (3) and the push plate (9), and the top of the top column (12) is fixedly connected to the push plate (9), and the top of the top column (12) is flush with the top of the push plate (9).