Built-in inclined guide pillar demolding mechanism of rattan-imitated plastic storage box mold

Abstract

The utility model belongs to the technical field of molds, and relates to a built-in inclined guide pillar demolding mechanism of a rattan-imitated plastic storage box mold. The plastic storage box forming die comprises a plastic storage box forming lower die and a plastic storage box forming upper die. In the injection molding process, molten materials are injected into the cavity through the injection molding part, the inner side of the demolding and molding assembly with the built-in inclined guide column is used for synchronously molding a rattan-imitated grain structure of the storage box, secondary grain processing is not needed, and the mold closing bearing part plays a role in bearing and fixing the plastic storage box molding lower mold and the plastic storage box molding upper mold; the mold is opened after injection molding is completed, firstly, the plastic storage box forming lower mold drives the storage box forming convex part to be separated from the built-in inclined guide column demolding forming assembly, and at the moment, the built-in inclined guide column demolding forming assembly is opened outwards, so that the built-in inclined guide column demolding forming assembly is separated from a formed plastic part, and ejection-rod-free demolding is achieved; the complexity of the mold is greatly reduced, and meanwhile demolding is more convenient and smoother.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism. Background Art

[0002] Plastic storage boxes are daily storage containers with a wide range of applications, suitable for storing a variety of items. Plastic storage boxes are generally injection-molded using an injection mold. Existing plastic storage box injection molds have difficulty simultaneously molding the imitation rattan grain structure of the storage box during the injection molding process, requiring secondary grain processing. Furthermore, after the injection molding process is completed, a push rod structure is generally required to eject the molded plastic part. This push rod can easily damage the plastic part, and the internal structure of the mold is relatively complex. Therefore, there is an urgent need to design a rattan-like plastic storage box mold with a built-in inclined guide pin demoulding mechanism that can overcome the above defects.

[0003] In order to overcome the shortcomings of the existing technology, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses an injection mold for a storage box [application number: 201821062912.1], which includes a fixed template, a molding groove is opened in the middle of the top of the fixed template, and a partition is slidably connected inside the molding groove. Fixed plates are fixed on both sides of the bottom end of the partition, and rotating rods are hinged on both sides of the fixed plate. A first motor is installed at the bottom end of one side of the fixed template, and a bidirectional threaded rod is fixed to the output shaft of the first motor. Two groups of movable plates are threadedly connected to the bidirectional threaded rod. The bottom end of the rotating rod is hinged to one side of the movable plate. Support columns are fixed on all four sides of the top of the fixed template, and a lifting plate is slidably connected to the support column. Four groups of guide rods are symmetrically fixed to the bottom end of the lifting plate, and a movable plate is slidably connected to the guide rod. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism.

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

[0006] A rattan-like plastic storage box mold with a built-in oblique guide column demoulding mechanism includes a plastic storage box molding lower mold and a plastic storage box molding upper mold, an injection molded part is provided above the plastic storage box molding upper mold, a storage box molding convex portion is provided on the plastic storage box molding lower mold, a storage box molding concave portion is provided in the plastic storage box molding upper mold, a built-in oblique guide column demoulding molding assembly is provided between the plastic storage box molding lower mold and the plastic storage box molding upper mold, the storage box molding convex portion, the storage box molding concave portion and the built-in oblique guide column demoulding molding assembly cooperate to form a complete mold cavity, a clamping mold support member is further provided between the plastic storage box molding lower mold and the plastic storage box molding upper mold, and the clamping mold support member and the built-in oblique guide column demoulding molding assembly are staggered.

[0007] In the above-mentioned rattan-like plastic storage box mold with a built-in oblique guide column demolding mechanism, the built-in oblique guide column demolding molding assembly includes two end auxiliary molding sliders and two side auxiliary molding sliders arranged between the plastic storage box molding lower mold and the plastic storage box molding upper mold. The two end auxiliary molding sliders are arranged opposite to each other, and the two side auxiliary molding sliders are arranged opposite to each other. The end auxiliary molding sliders and the side auxiliary molding sliders are respectively adapted to the shape of the storage box molding convex portion.

[0008] In the above-mentioned rattan-like plastic storage box mold with a built-in oblique guide column demoulding mechanism, the inner sides of the end auxiliary molding slider and the side auxiliary molding slider have rattan-like patterns.

[0009] In the above-mentioned rattan-like plastic storage box mold with a built-in oblique guide column demoulding mechanism, the plastic storage box molding upper mold is provided with an end oblique guide column connector that passes through the end auxiliary molding slider, and the end auxiliary molding slider is slidably matched with the end oblique guide column connector.

[0010] In the above-mentioned rattan-like plastic storage box mold with a built-in inclined guide column demolding mechanism, the end inclined guide column connecting parts include a plurality of end inclined guide connecting columns arranged in the plastic storage box molding upper mold, the end inclined guide connecting columns pass through the end auxiliary molding slider and the end auxiliary molding slider is slidably matched with the end inclined guide connecting columns, and the end inclined guide connecting columns are arranged at an angle.

[0011] In the above-mentioned rattan-like plastic storage box mold with built-in oblique guide column demoulding mechanism, the plastic storage box molding upper mold is provided with a side oblique guide column connector that passes through the side auxiliary molding slider, and the side auxiliary molding slider is slidably matched with the side oblique guide column connector.

[0012] In the above-mentioned rattan-like plastic storage box mold with a built-in oblique guide column demolding mechanism, the side oblique guide column connecting parts include a plurality of side oblique guide connecting columns arranged in the plastic storage box molding upper mold, the side oblique guide connecting columns pass through the side auxiliary molding slider and the side auxiliary molding slider is slidably matched with the side oblique guide connecting columns, and the side oblique guide connecting columns are arranged at an angle.

[0013] In the above-mentioned rattan-like plastic storage box mold with a built-in inclined guide column demolding mechanism, the storage box molding convex portion includes a storage box molding convex seat arranged on the plastic storage box molding lower mold, the end auxiliary molding slider and the side auxiliary molding slider are respectively adapted to the shape of the storage box molding convex seat, and the storage box molding concave portion includes a molding cavity arranged in the plastic storage box molding upper mold, and the storage box molding convex seat is arranged opposite to the molding cavity.

[0014] In the above-mentioned rattan-like plastic storage box mold with built-in oblique guide column demoulding mechanism, the injection molded part includes an injection molding main board arranged above the plastic storage box molding upper mold, and an injection molding main hole is provided in the injection molding main board.

[0015] In the above-mentioned rattan-like plastic storage box mold with built-in oblique guide column demoulding mechanism, the mold closing support member includes four support blocks arranged between the plastic storage box molding lower mold and the plastic storage box molding upper mold.

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

[0017] 1. During the injection molding process, the utility model brings the plastic storage box molding lower mold and the plastic storage box molding upper mold close to each other, so that the storage box molding convex part, the storage box molding concave part and the built-in oblique guide post demoulding molding component cooperate to form a complete mold cavity, and the molten material is injected into the mold cavity through the injection molded part, and the inner side of the built-in oblique guide post demoulding molding component is used to synchronously mold the imitation rattan grain structure of the storage box, without the need for secondary grain processing, and the mold support part supports and fixes the plastic storage box molding lower mold and the plastic storage box molding upper mold. After the injection molding is completed, the mold is opened, and the plastic storage box molding lower mold drives the storage box molding convex part to separate from the built-in oblique guide post demoulding molding component. At this time, the built-in oblique guide post demoulding molding component is opened outward, so that the built-in oblique guide post demoulding molding component is separated from the molded plastic part, realizing demoulding without a push pin, greatly reducing the complexity of the mold, and making demoulding more convenient and smooth.

[0018] 2. The inner sides of the end auxiliary forming slider and the side auxiliary forming slider in the present invention have imitation rattan patterns, which are used to simultaneously form the imitation rattan pattern structure of the storage box, eliminating the need for secondary pattern processing and shortening the process.

[0019] Other advantages, objectives and features of the present invention will be reflected 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 diagram of the present utility model.

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

[0022] Figure 3 It is a partial structural diagram of the utility model in another direction.

[0023] Figure 4 It is a structural diagram of the upper mold for forming a plastic storage box.

[0024] In the figure: plastic storage box molding lower mold 1, plastic storage box molding upper mold 2, injection molded part 3, storage box molding convex part 4, storage box molding concave part 5, built-in oblique guide column demoulding molding component 6, mold support part 7, end auxiliary molding slider 8, side auxiliary molding slider 9, imitation rattan pattern 10, end oblique guide column connecting part 11, end oblique guide connecting column 12, side oblique guide column connecting part 13, side oblique guide connecting column 14, storage box molding convex seat 15, molding cavity 16, injection molding main board 17, injection molding main hole 18, support block 19. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] like Figure 1-4 As shown, a rattan-like plastic storage box mold has a built-in oblique guide column demoulding mechanism, including a plastic storage box molding lower mold 1 and a plastic storage box molding upper mold 2, an injection molded part 3 is provided above the plastic storage box molding upper mold 2, a storage box molding convex portion 4 is provided on the plastic storage box molding lower mold 1, a storage box molding concave portion 5 is provided in the plastic storage box molding upper mold 2, a built-in oblique guide column demoulding molding component 6 is provided between the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2, the storage box molding convex portion 4, the storage box molding concave portion 5 and the built-in oblique guide column demoulding molding component 6 cooperate to form a complete mold cavity, and a clamping mold support member 7 is further provided between the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2, and the clamping mold support member 7 and the built-in oblique guide column demoulding molding component 6 are staggered.

[0027] In this embodiment, during the injection molding process, the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2 are brought close to each other, so that the storage box molding protrusion 4, the storage box molding recess 5 and the built-in inclined guide post demolding molding component 6 cooperate to form a complete cavity, and the molten material is injected into the cavity through the injection molded part 3. The inner side of the built-in inclined guide post demolding molding component 6 is used to synchronously mold the imitation rattan grain structure of the storage box, and no secondary grain processing is required. The mold support part 7 supports and fixes the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2. After the injection molding is completed, the mold is opened. The plastic storage box molding lower mold 1 first drives the storage box molding protrusion 4 to separate from the built-in inclined guide post demolding molding component 6. At this time, the built-in inclined guide post demolding molding component 6 is opened outward, so that the built-in inclined guide post demolding molding component 6 is separated from the molded plastic part, realizing demolding without a push pin, which greatly reduces the complexity of the mold and makes demolding more convenient and smooth.

[0028] Combine Figure 1-4As shown, the built-in inclined guide column demolding molding assembly 6 includes two end auxiliary molding sliders 8 and two side auxiliary molding sliders 9 arranged between the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2. The two end auxiliary molding sliders 8 are arranged opposite to each other, and the two side auxiliary molding sliders 9 are arranged opposite to each other. The end auxiliary molding sliders 8 and the side auxiliary molding sliders 9 are respectively adapted to the shapes of the storage box molding protrusion 4.

[0029] Specifically, during the injection molding process, the end auxiliary molding slider 8 cooperates with the storage box molding protrusion 4 to assist in molding the end structure of the plastic part, and the side auxiliary molding slider 9 cooperates with the storage box molding protrusion 4 to assist in molding the side structure of the plastic part.

[0030] The inner sides of the end auxiliary forming slider 8 and the side auxiliary forming slider 9 have imitation rattan patterns 10 .

[0031] In this embodiment, the inner sides of the end auxiliary forming slider 8 and the side auxiliary forming slider 9 have imitation rattan patterns 10 for synchronously forming the imitation rattan pattern structure of the storage box, eliminating the need for secondary pattern processing and shortening the process.

[0032] Combine Figure 2 、 Figure 3 As shown, the plastic storage box forming upper mold 2 is provided with an end oblique guide column connector 11 passing through the end auxiliary forming slider 8, and the end auxiliary forming slider 8 is slidably matched with the end oblique guide column connector 11.

[0033] In this embodiment, the end oblique guide column connector 11 is used to connect and fix the end auxiliary molding slider 8, so as to facilitate the oblique sliding and opening of the end auxiliary molding slider 8 during subsequent demoulding.

[0034] The end oblique guide column connector 11 includes a plurality of end oblique guide connecting columns 12 arranged in the plastic storage box molding upper mold 2. The end oblique guide connecting columns 12 pass through the end auxiliary molding slider 8 and the end auxiliary molding slider 8 slides with the end oblique guide connecting columns 12. The end oblique guide connecting columns 12 are arranged at an angle.

[0035] In this embodiment, the end oblique guide connecting column 12 is used to connect and fix the end auxiliary molding slider 8, so as to facilitate the oblique sliding and opening of the end auxiliary molding slider 8 during subsequent demoulding.

[0036] Combine Figure 4 As shown, the plastic storage box forming upper mold 2 is provided with a side oblique guide column connector 13 passing through the side auxiliary forming slider 9, and the side auxiliary forming slider 9 is slidably matched with the side oblique guide column connector 13.

[0037] In this embodiment, the side oblique guide column connector 13 is used to connect and fix the side auxiliary molding slider 9, so as to facilitate the oblique sliding and opening of the side auxiliary molding slider 9 during subsequent demoulding.

[0038] The side oblique guide column connecting member 13 includes a plurality of side oblique guide connecting columns 14 arranged in the plastic storage box molding upper mold 2. The side oblique guide connecting columns 14 pass through the side auxiliary molding slider 9 and the side auxiliary molding slider 9 slides with the side oblique guide connecting columns 14. The side oblique guide connecting columns 14 are arranged at an angle.

[0039] In this embodiment, the side oblique guide connecting column 14 is used to connect and fix the side auxiliary molding slider 9, so as to facilitate the oblique sliding and opening of the side auxiliary molding slider 9 during subsequent demoulding.

[0040] Combine Figure 1-4 As shown, the storage box molding protrusion 4 includes a storage box molding protrusion 15 arranged on the plastic storage box molding lower mold 1, the end auxiliary molding slider 8 and the side auxiliary molding slider 9 are respectively adapted to the shape of the storage box molding protrusion 15, and the storage box molding concave portion 5 includes a molding cavity 16 arranged in the plastic storage box molding upper mold 2, and the storage box molding protrusion 15 is arranged opposite to the molding cavity 16.

[0041] In this embodiment, the forming cavity 16 cooperates with the top of the storage box forming protrusion 15 to form the bottom structure of the storage box.

[0042] Combine Figure 1-2 As shown, the injection molded part 3 includes an injection molding main board 17 arranged above the plastic storage box molding upper mold 2, and an injection molding main hole 18 is provided in the injection molding main board 17.

[0043] In this embodiment, during injection molding, the molten material is injected into the mold cavity from the injection main hole 18 in the injection main plate 17 .

[0044] Combine Figure 1-2 As shown, the mold support member 7 includes four support blocks 19 arranged between the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2.

[0045] In this embodiment, when the mold is closed, the four supporting blocks 19 serve to support and fix the lower mold 1 and the upper mold 2 for forming the plastic storage box.

[0046] The working principle of this utility model is:

[0047] During the injection molding process, the plastic storage box molding lower mold 1 and the plastic storage box molding upper mold 2 are brought close to each other, so that the molding cavity 16, the storage box molding convex seat 15, the end auxiliary molding slider 8 and the side auxiliary molding slider 9 cooperate to form a complete cavity, the molding cavity 16 cooperates with the top of the storage box molding convex seat 15 to form the bottom structure of the storage box, the end auxiliary molding slider 8 cooperates with the storage box molding convex portion 4 to assist in molding the end structure of the plastic part, and the side auxiliary molding slider 9 cooperates with the storage box molding convex portion 4 to assist in molding the side structure of the plastic part. The molten material is injected from the injection main hole 18 in the injection main board 17 to In the mold cavity, the inner sides of the end auxiliary molding slider 8 and the side auxiliary molding slider 9 have imitation rattan patterns 10, which are used to synchronously mold the imitation rattan pattern structure of the storage box. There is no need for secondary pattern processing, which shortens the process. After the injection molding is completed, the mold is opened. First, the plastic storage box molding lower mold 1 drives the storage box molding convex part 4 to separate from the built-in oblique guide column demoulding molding component 6. At this time, the end auxiliary molding slider 8 and the side auxiliary molding slider 9 are opened outward, so that the end auxiliary molding slider 8 and the side auxiliary molding slider 9 are respectively separated from the molded plastic part, realizing demoulding without a push rod, which greatly reduces the complexity of the mold and makes demoulding more convenient and smooth.

[0048] The end oblique guide connecting column 12 is used to connect and fix the end auxiliary forming slider 8, so that the end auxiliary forming slider 8 can slide and open obliquely during subsequent demoulding. The side oblique guide connecting column 14 is used to connect and fix the side auxiliary forming slider 9, so that the side auxiliary forming slider 9 can slide and open obliquely during subsequent demoulding.

[0049] When the mold is closed, the four supporting blocks 19 serve to support and fix the lower mold 1 and the upper mold 2 for forming the plastic storage box.

[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 with similar methods, without departing from the spirit of the present invention.

[0051] Although this document frequently uses terms such as plastic storage box molding lower mold 1, plastic storage box molding upper mold 2, injection molded part 3, storage box molding protrusion 4, storage box molding concave part 5, built-in oblique guide post demoulding molding component 6, mold closing support 7, end auxiliary molding slider 8, side auxiliary molding slider 9, imitation rattan pattern 10, end oblique guide post connector 11, end oblique guide connecting post 12, side oblique guide post connector 13, side oblique guide connecting post 14, storage box molding protrusion 15, molding concave cavity 16, injection molding main board 17, injection molding main hole 18, support block 19, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the present invention. Interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A rattan-like plastic storage box mold with a built-in oblique guide column demoulding mechanism, comprising a plastic storage box molding lower mold (1) and a plastic storage box molding upper mold (2), characterized in that: An injection molded part (3) is provided above the plastic storage box molding upper mold (2), a storage box molding protrusion (4) is provided on the plastic storage box molding lower mold (1), a storage box molding concave (5) is provided inside the plastic storage box molding upper mold (2), a built-in inclined guide column demoulding molding component (6) is provided between the plastic storage box molding lower mold (1) and the plastic storage box molding upper mold (2), the storage box molding protrusion (4), the storage box molding concave (5) and the built-in inclined guide column demoulding molding component (6) cooperate to form a complete mold cavity, and a clamping support member (7) is also provided between the plastic storage box molding lower mold (1) and the plastic storage box molding upper mold (2), and the clamping support member (7) and the built-in inclined guide column demoulding molding component (6) are staggered.

2. The rattan-like plastic storage box mold according to claim 1 has a built-in inclined guide column demoulding mechanism, characterized in that: The built-in oblique guide column demoulding molding component (6) includes two end auxiliary molding slide blocks (8) and two side auxiliary molding slide blocks (9) arranged between the plastic storage box molding lower mold (1) and the plastic storage box molding upper mold (2), the two end auxiliary molding slide blocks (8) are arranged opposite to each other, and the two side auxiliary molding slide blocks (9) are arranged opposite to each other, and the end auxiliary molding slide blocks (8) and the side auxiliary molding slide blocks (9) are respectively adapted to the shapes of the storage box molding protrusion (4).

3. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 2 is characterized in that: The inner sides of the end auxiliary forming slider (8) and the side auxiliary forming slider (9) are provided with imitation rattan patterns (10).

4. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 3 is characterized in that: The plastic storage box forming upper die (2) is provided with an end oblique guide column connector (11) that passes through the end auxiliary forming slider (8), and the end auxiliary forming slider (8) is slidably matched with the end oblique guide column connector (11).

5. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 4 is characterized in that: The end oblique guide column connector (11) includes a plurality of end oblique guide connecting columns (12) arranged in the plastic storage box forming upper mold (2), the end oblique guide connecting columns (12) pass through the end auxiliary forming slider (8), and the end auxiliary forming slider (8) and the end oblique guide connecting columns (12) are slidably matched, and the end oblique guide connecting columns (12) are arranged in an inclined manner.

6. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 5 is characterized in that: The plastic storage box forming upper mold (2) is provided with a side oblique guide column connecting piece (13) that passes through the side auxiliary forming slider (9), and the side auxiliary forming slider (9) is slidably matched with the side oblique guide column connecting piece (13).

7. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 6 is characterized in that: The side oblique guide column connecting member (13) includes a plurality of side oblique guide connecting columns (14) arranged in the plastic storage box forming upper mold (2), the side oblique guide connecting columns (14) pass through the side auxiliary forming slider (9), and the side auxiliary forming slider (9) and the side oblique guide connecting columns (14) are slidably matched, and the side oblique guide connecting columns (14) are arranged in an inclined manner.

8. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 7 is characterized in that: The storage box forming convex portion (4) includes a storage box forming convex seat (15) arranged on the plastic storage box forming lower mold (1), the end auxiliary forming slider (8) and the side auxiliary forming slider (9) are respectively matched with the shape of the storage box forming convex seat (15), and the storage box forming concave portion (5) includes a forming cavity (16) arranged in the plastic storage box forming upper mold (2), and the storage box forming convex seat (15) and the forming cavity (16) are arranged opposite to each other.

9. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 8, characterized in that: The injection molded part (3) comprises an injection molding main board (17) arranged above the upper mold (2) for forming the plastic storage box, and an injection molding main hole (18) is provided in the injection molding main board (17).

10. The rattan-like plastic storage box mold with a built-in inclined guide column demoulding mechanism according to claim 9, characterized in that: The mold clamping support member (7) comprises four support blocks (19) arranged between a lower mold (1) for forming a plastic storage box and an upper mold (2) for forming a plastic storage box.

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