Storage cabinet panel injection mold

By designing a storage cabinet panel injection mold with an integrated structure, the rib strips and hole groove structure of the panel are synchronized, the problem of the existing molds requiring post-processing is solved, the product quality and production efficiency are improved, and the cost is reduced.

CN222742005UActive Publication Date: 2025-04-11ZHEJIANG XINMAO PLASTIC IND CO LTD
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Patent Information

Application Number
CN202421372063.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-11
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

When injection molding of existing storage cabinet panel molds, the rib strips and hole grooves are required to be processed in the later stage, which has many processes and is easy to increase the scrap rate of plastic parts.

Method used

A storage cabinet panel injection mold is designed, adopting an integrated structure. Through the corresponding design of the panel forming concave cavity and the protrusions and the concave parts of the rib strip forming convex parts, the rib strip and hole groove structure of the panel is synchronized, without secondary drilling and rib strip processing.

Benefits of technology

The process is simplified, the quality of plastic parts is improved, the scrap rate is reduced, and the production cost is reduced by synchronous molding of decorative strips.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of mold technology, and particularly relates to a storage cabinet panel injection mold. The utility model includes a storage cabinet panel molding upper mold and a storage cabinet panel molding lower mold, and an injection molded diverter is provided above the storage cabinet panel molding upper mold. During the injection molding process, the storage cabinet panel molding upper mold and the storage cabinet panel molding lower mold are brought close to each other, so that the panel molding cavity fits the panel molding protrusion, the hole groove molding protrusion and the hole groove molding concave are close to each other, and the panel rib strip molding protrusion and the panel rib strip molding concave are close to each other. The hole groove structure of the panel is synchronously formed by the cooperation between the hole groove molding protrusion and the hole groove molding concave, and the rib strip structure of the panel is synchronously formed by the cooperation between the panel rib strip molding protrusion and the panel rib strip molding concave. There is no need to perform secondary punching and rib strip processing on the storage cabinet panel. The integrated structure is used for molding, which shortens the process, improves the overall quality of the plastic parts, and greatly reduces the scrap rate.
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Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an injection mold for a storage cabinet panel. Background Art

[0002] The storage cabinet panel is one of the essential parts for the assembled storage cabinet. In order to reduce the cost and selling price, more and more assembled storage cabinet panels are made of plastic materials, which are light in weight and low in cost. The plastic panels are generally injection molded using injection molds. When the existing storage cabinet panel mold is injection molded, the ribs and holes required for the panel itself need to be processed and reworked later, with many processes, and multiple processes are likely to increase the scrap rate of plastic parts. Therefore, it is urgent to design a storage cabinet panel injection mold that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a multifunctional plastic mold [application number: 201711134260.8], which includes a storage cabinet, a workbench and a top plate. The bottom of the storage cabinet is provided with a bottom plate, and the top of the storage cabinet is provided with a plurality of shock-absorbing columns. The top of the shock-absorbing columns is installed on the workbench. A motor is provided on one side of the inside of the workbench, and a mold core is provided in the middle of the workbench. A heating device is provided at the bottom of the mold core, and a temperature tester is provided at the bottom of the heating device. A control panel is provided on one side of the outside of the workbench, hydraulic cylinders are provided on both sides of the top of the workbench, a hydraulic rod is provided on the top of the hydraulic cylinder, and a cutting blade is provided on the top of the hydraulic rod. Brackets are provided on both sides of the workbench close to one side of the hydraulic cylinder, a top plate is provided on the top of the bracket, a cooling fan is provided in the middle of the top plate, and LED lights are provided on both sides of the bottom of the top plate, which are set by a heating device, a temperature tester, a cooling fan and a cutting blade. Utility Model Content

[0004] The purpose of the utility model is to provide a storage cabinet panel injection mold in view of the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A storage cabinet panel injection mold comprises a storage cabinet panel molding upper mold and a storage cabinet panel molding lower mold, an injection diverter is arranged above the storage cabinet panel molding upper mold, two panel molding protrusions symmetrical along the center line of the storage cabinet panel molding lower mold are arranged on the storage cabinet panel molding lower mold, a panel rib molding recess and a hole groove molding recess are arranged in the panel molding protrusions, two panel molding cavities symmetrical along the center line of the storage cabinet panel molding upper mold are arranged in the storage cabinet panel molding upper mold, the panel molding cavities correspond to the positions of the panel molding protrusions and are matched in shape, a panel rib molding protrusion and a hole groove molding protrusion are arranged in the panel molding cavity, the hole groove molding protrusion is arranged opposite to the hole groove molding concave portion, and the panel rib molding protrusion is arranged opposite to the panel rib molding concave portion.

[0007] In the above-mentioned storage cabinet panel injection mold, the panel rib forming recess includes a panel rib forming groove arranged in the panel forming protrusion, and the panel rib forming protrusion includes a panel rib forming strip arranged in the panel forming recess, and the panel rib forming strip corresponds to the panel rib forming groove in position and matches in shape.

[0008] In the above-mentioned storage cabinet panel injection mold, the hole groove forming recess includes a plurality of hole groove forming cavities arranged in the panel forming protrusion, and the hole groove forming protrusion includes a plurality of hole groove forming convex shafts arranged in the panel forming cavity, and the hole groove forming convex shafts correspond to the positions of the hole groove forming cavities and are matched in shape.

[0009] In the above-mentioned injection mold for the storage cabinet panel, a middle convex plate is provided in the panel molding cavity, and the middle convex plate and the panel molding protrusions are arranged alternately.

[0010] In the above-mentioned injection mold for the storage cabinet panel, a decorative strip molding cavity is provided in the middle convex plate.

[0011] In the above-mentioned storage cabinet panel injection mold, an ejector plate is provided below the storage cabinet panel molding lower mold, and a plurality of panel plastic part ejector rods are provided on the ejector plate, and the panel plastic part ejector rods extend into the panel rib molding groove.

[0012] In the above-mentioned storage cabinet panel injection mold, a plurality of decorative strip ejector rods are also provided on the ejector plate, and the decorative strip ejector rods are located directly below the decorative strip molding cavity, and the decorative strip ejector rods and the panel plastic part ejector rods are staggered.

[0013] In the above-mentioned storage cabinet panel injection mold, the injection molded diverter component includes an injection molded main board arranged above the storage cabinet panel molding upper mold, and an injection molded diverter plate is provided between the injection molded main board and the storage cabinet panel molding upper mold.

[0014] In the above-mentioned storage cabinet panel injection mold, a plurality of upper mold cooling pipes penetrating through the storage cabinet panel molding upper mold are provided in the storage cabinet panel molding upper mold.

[0015] In the above-mentioned storage cabinet panel injection mold, a plurality of lower mold cooling pipes penetrating through the storage cabinet panel molding lower mold are provided in the storage cabinet panel molding lower mold.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. During the injection molding process, the utility model brings the storage cabinet panel molding upper mold and the storage cabinet panel molding lower mold close to each other, so that the panel molding cavity fits with the panel molding protrusion, the hole groove molding protrusion and the hole groove molding concave are close to each other, and the panel rib molding protrusion and the panel rib molding concave are close to each other. The hole groove structure of the panel is synchronously formed by the cooperation between the hole groove molding protrusion and the hole groove molding concave, and the rib structure of the panel is synchronously formed by the cooperation between the panel rib molding protrusion and the panel rib molding concave. There is no need to perform secondary punching and rib processing on the storage cabinet panel. One-piece structure molding is adopted, which shortens the process, improves the overall quality of plastic parts, and greatly reduces the scrap rate.

[0018] 2. The decorative strip forming cavity in the utility model is used to simultaneously form the decorative strips required for the storage cabinet, without the need for additional mold opening and injection molding, which greatly reduces the production cost.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a partial structural schematic diagram of the utility model.

[0022] Figure 3 It is a structural schematic diagram of the upper mold for forming the storage cabinet panel.

[0023] Figure 4 It is a partial structural schematic diagram of the utility model in another direction.

[0024] In the figure: storage cabinet panel molding upper mold 1, storage cabinet panel molding lower mold 2, injection molding diverter 3, panel molding protrusion 4, panel rib molding recess 5, hole groove molding recess 6, panel molding cavity 7, panel rib molding protrusion 8, hole groove molding protrusion 9, panel rib molding groove 10, panel rib molding strip 11, hole groove molding cavity 12, hole groove molding convex shaft 13, middle convex plate 14, decorative strip molding cavity 15, ejector plate 16, panel plastic part ejector rod 17, decorative strip ejector rod 18, injection molding main board 19, injection molding diverter plate 20, upper mold cooling pipe 21, lower mold cooling pipe 22. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, a storage cabinet panel injection mold comprises a storage cabinet panel molding upper mold 1 and a storage cabinet panel molding lower mold 2, an injection diverter 3 is provided above the storage cabinet panel molding upper mold 1, two panel molding protrusions 4 symmetrical along the center line of the storage cabinet panel molding lower mold 2 are provided on the storage cabinet panel molding lower mold 2, a panel rib molding recess 5 and a hole groove molding recess 6 are provided in the panel molding protrusion 4, two panel molding cavities 7 symmetrical along the center line of the storage cabinet panel molding upper mold 1 are provided in the storage cabinet panel molding upper mold 1, the panel molding cavity 7 corresponds to the position of the panel molding protrusion 4 and the shape is matched, a panel rib molding protrusion 8 and a hole groove molding protrusion 9 are provided in the panel molding cavity 7, the hole groove molding protrusion 9 is arranged opposite to the hole groove molding concave 6, and the panel rib molding protrusion 8 is arranged opposite to the panel rib molding concave 5.

[0027] In this embodiment, during the injection molding process, the storage cabinet panel molding upper mold 1 and the storage cabinet panel molding lower mold 2 are brought close to each other, so that the panel molding cavity 7 is fitted with the panel molding protrusion 4, the hole groove molding protrusion 9 and the hole groove molding concave 6 are close to each other, and the panel rib molding protrusion 8 and the panel rib molding concave 5 are close to each other. The hole groove structure of the panel is synchronously formed by the cooperation between the hole groove molding protrusion 9 and the hole groove molding concave 6, and the rib structure of the panel is synchronously formed by the cooperation between the panel rib molding protrusion 8 and the panel rib molding concave 5. There is no need for secondary punching and rib processing of the storage cabinet panel, and an integrated structure is used for molding, which shortens the process, improves the overall quality of plastic parts, and greatly reduces the scrap rate.

[0028] Combination Figure 1-4 As shown, the panel rib forming recess 5 includes a panel rib forming groove 10 arranged in the panel forming protrusion 4, and the panel rib forming protrusion 8 includes a panel rib forming strip 11 arranged in the panel forming cavity 7, and the panel rib forming strip 11 corresponds to the position of the panel rib forming groove 10 and matches the shape.

[0029] Specifically, during the injection molding process, the panel rib forming strip 11 and the panel rib forming groove 10 cooperate with each other to synchronously form the rib structure of the panel.

[0030] The hole-groove forming recess 6 includes a plurality of hole-groove forming cavities 12 arranged in the panel forming protrusion 4, and the hole-groove forming protrusion 9 includes a plurality of hole-groove forming convex shafts 13 arranged in the panel forming concave cavity 7, and the hole-groove forming convex shafts 13 correspond to the positions of the hole-groove forming cavities 12 and have matching shapes.

[0031] In this embodiment, during the injection molding process, the groove forming protruding shaft 13 and the hole groove forming cavity 12 synchronously form the hole groove structure of the panel.

[0032] Combination Figure 2 , Figure 3 As shown, a middle convex plate 14 is provided in the panel forming cavity 7, and the middle convex plate 14 and the panel forming protrusions 4 are arranged alternately.

[0033] In this embodiment, the central protruding plate 14 is used to assist in forming the hollow portion of the panel without the need for secondary cutting.

[0034] A decorative strip forming cavity 15 is provided in the middle convex plate 14 .

[0035] In this embodiment, the decorative strip forming cavity 15 is used to simultaneously form the decorative strip required for the storage cabinet, without the need for additional mold opening and injection molding, thereby greatly reducing the production cost.

[0036] Combination Figure 4 As shown, an ejector plate 16 is provided below the storage cabinet panel molding lower mold 2, and a plurality of panel plastic part ejector rods 17 are provided on the ejector plate 16. The panel plastic part ejector rods 17 extend into the panel rib molding groove 10, and a plurality of decorative strip ejector rods 18 are also provided on the ejector plate 16. The decorative strip ejector rods 18 are located directly below the decorative strip molding cavity 15, and the decorative strip ejector rods 18 and the panel plastic part ejector rods 17 are staggered.

[0037] In this embodiment, after the injection molding is completed, the mold is opened, the ejector plate 16 is moved, and the formed storage cabinet panel plastic part is ejected through the panel plastic part ejector rod 17, and the formed storage cabinet decorative strip plastic part is ejected through the decorative strip ejector rod 18. There is no need for multiple ejections, which saves time.

[0038] Combination Figure 1 As shown, the injection molded flow divider 3 includes an injection molded main board 19 disposed above the storage cabinet panel molding upper mold 1, and an injection molded flow divider plate 20 is provided between the injection molded main board 19 and the storage cabinet panel molding upper mold 1.

[0039] In this embodiment, during injection molding, the molten material is injected through the injection molding main board 19 and then diverted through the injection molding diverter plate 20 to speed up the injection molding rate.

[0040] Combination Figure 1 As shown, the storage cabinet panel forming upper mold 1 is provided with a plurality of upper mold cooling pipes 21 penetrating through the storage cabinet panel forming upper mold 1 .

[0041] In this embodiment, after the injection molding is completed, cooling water is introduced into the upper mold cooling pipe 21 to cool the upper mold through the upper mold cooling pipe 21 .

[0042] Combination Figure 1 As shown, the storage cabinet panel forming lower mold 2 is provided with a plurality of lower mold cooling pipes 22 penetrating through the storage cabinet panel forming lower mold 2 .

[0043] In this embodiment, after the injection molding is completed, cooling water is introduced into the lower mold cooling pipe 22 to cool the lower mold through the lower mold cooling pipe 22 .

[0044] The working principle of the utility model is:

[0045] During the injection molding process, the upper mold 1 for forming the storage cabinet panel and the lower mold 2 for forming the storage cabinet panel are brought close to each other, so that the panel molding cavity 7 fits with the panel molding protrusion 4, and the molten material is injected through the injection molding main board 19, and then diverted through the injection molding diverter plate 20 to speed up the injection molding rate. The panel rib molding strip 11 and the panel rib molding groove 10 cooperate to synchronously form the rib structure of the panel, and the groove molding convex shaft 13 and the hole groove molding cavity 12 synchronously form the hole groove structure of the panel. There is no need to perform secondary punching and rib processing on the storage cabinet panel. The integrated structure is used for molding, which shortens the process, improves the overall quality of the plastic parts, and greatly reduces the scrap rate.

[0046] The middle convex plate 14 is used to assist in forming the hollow part of the panel without the need for secondary cutting.

[0047] The decorative strip forming cavity 15 is used to simultaneously form the decorative strip required for the storage cabinet, without the need for additional mold opening and injection molding, which greatly reduces the production cost.

[0048] After the injection molding is completed, the mold is opened, and the ejector plate 16 is moved to eject the formed storage cabinet panel plastic part through the panel plastic part ejector rod 17, and the formed storage cabinet decorative strip plastic part is ejected through the decorative strip ejector rod 18. There is no need to eject multiple times, which saves time.

[0049] After the injection molding is completed, cooling water is passed into the upper mold cooling pipe 21 to cool the upper mold through the upper mold cooling pipe 21, and cooling water is passed into the lower mold cooling pipe 22 to cool the lower mold through the lower mold cooling pipe 22.

[0050] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0051] Although this article uses more terms such as storage cabinet panel molding upper mold 1, storage cabinet panel molding lower mold 2, injection molding diverter 3, panel molding protrusion 4, panel rib molding concave 5, hole groove molding concave 6, panel molding cavity 7, panel rib molding protrusion 8, hole groove molding protrusion 9, panel rib molding groove 10, panel rib molding strip 11, hole groove molding cavity 12, hole groove molding convex shaft 13, middle convex plate 14, decorative strip molding cavity 15, ejector plate 16, panel plastic part ejector rod 17, decorative strip ejector rod 18, injection molding main board 19, injection molding diverter plate 20, upper mold cooling pipe 21, lower mold cooling pipe 22, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A storage cabinet panel injection mold, comprising a storage cabinet panel molding upper mold (1) and a storage cabinet panel molding lower mold (2), characterized in that: An injection molded flow diverter (3) is provided above the storage cabinet panel molding upper mold (1); two panel molding protrusions (4) symmetrically arranged along the center line of the storage cabinet panel molding lower mold (2) are provided on the storage cabinet panel molding lower mold (2); a panel rib molding recess (5) and a hole groove molding recess (6) are provided in the panel molding protrusions (4); two panel molding cavities (7) symmetrically arranged along the center line of the storage cabinet panel molding upper mold (1) are provided in the storage cabinet panel molding upper mold (1); the panel molding recess (7) corresponds to the position of the panel molding protrusions (4) and matches the shape; a panel rib molding protrusion (8) and a hole groove molding protrusion (9) are provided in the panel molding cavity (7); the hole groove molding protrusion (9) is arranged opposite to the hole groove molding concave (6); and the panel rib molding protrusion (8) is arranged opposite to the panel rib molding concave (5).

2. The storage cabinet panel injection mold according to claim 1, characterized in that: The panel rib forming recess (5) includes a panel rib forming groove (10) arranged in the panel forming protrusion (4), and the panel rib forming protrusion (8) includes a panel rib forming strip (11) arranged in the panel forming cavity (7), and the panel rib forming strip (11) corresponds to the position of the panel rib forming groove (10) and has a matching shape.

3. The storage cabinet panel injection mold according to claim 2, characterized in that: The hole-groove forming recess (6) comprises a plurality of hole-groove forming cavities (12) arranged in the panel forming protrusion (4), and the hole-groove forming protrusion (9) comprises a plurality of hole-groove forming convex shafts (13) arranged in the panel forming concave cavity (7), wherein the hole-groove forming convex shafts (13) correspond in position to the hole-groove forming concave cavity (12) and have matching shapes.

4. The storage cabinet panel injection mold according to claim 3, characterized in that: A middle convex plate (14) is arranged in the panel forming cavity (7), and the middle convex plate (14) and the panel forming protrusion (4) are arranged in an alternating manner.

5. The storage cabinet panel injection mold according to claim 4, characterized in that: A decorative strip forming cavity (15) is provided in the middle convex plate (14).

6. The storage cabinet panel injection mold according to claim 5, characterized in that: An ejector plate (16) is provided below the storage cabinet panel molding lower mold (2), and a plurality of panel plastic part ejector rods (17) are provided on the ejector plate (16). The panel plastic part ejector rods (17) extend into the panel rib molding groove (10).

7. The storage cabinet panel injection mold according to claim 6, characterized in that: The ejector plate (16) is also provided with a plurality of decorative strip ejector rods (18), the decorative strip ejector rods (18) are located directly below the decorative strip forming cavity (15), and the decorative strip ejector rods (18) and the panel plastic part ejector rods (17) are arranged in an alternating manner.

8. The storage cabinet panel injection mold according to claim 1, characterized in that: The injection molded flow divider (3) comprises an injection molded main board (19) arranged above the storage cabinet panel molding upper mold (1), and an injection molded flow divider plate (20) is arranged between the injection molded main board (19) and the storage cabinet panel molding upper mold (1).

9. The storage cabinet panel injection mold according to claim 1, characterized in that: The storage cabinet panel forming upper die (1) is provided with a plurality of upper die cooling pipes (21) penetrating through the storage cabinet panel forming upper die (1).

10. The storage cabinet panel injection mold according to claim 1, characterized in that: The storage cabinet panel forming lower mold (2) is provided with a plurality of lower mold cooling pipes (22) penetrating through the storage cabinet panel forming lower mold (2).

Citation Information

Patent Citations

  • Multifunctional plastic mold

    CN107718446A