Injection molding mold for wide-breadth anti-deformation plastic storage box cover plate

Abstract

The utility model belongs to the technical field of molds, and particularly relates to a wide-breadth anti-deformation plastic storage box cover plate injection molding mold. The storage box cover plate injection mold comprises a storage box cover plate injection lower mold and a storage box cover plate injection upper mold. In the injection molding process, the storage box cover plate injection molding lower mold and the storage box cover plate injection molding upper mold are close to each other, so that the mold closing bulge is attached to the mold closing concave cavity, the mold closing precision is high, the storage box cover plate molding upper piece and the storage box cover plate molding lower piece are matched to form a complete cavity, and the mold closing precision is high. A molten material is injected into the synchronous flow dividing piece through the injection molding piece to be divided, mold opening is conducted after injection molding is completed, synchronous ejection demolding can be conducted on the side face, the end face, the clamping plate position and the side plate position of the formed storage box cover plate through the large-area anti-deformation ejection demolding assembly, and a large-area distributed synchronous ejection structure is adopted; the ejection deformation of the plastic part in the ejection process is avoided, the surface quality of the plastic part is ensured, and the ejection efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an injection molding mold for a wide-format anti-deformation plastic storage box cover. Background Art

[0002] The storage box cover is an accessory that matches the storage box. It is generally made of plastic and is injection molded through an injection mold. For a storage box with a larger volume, the storage box cover will also become larger. It is also necessary to simultaneously mold the cover's card plate, side plate, and swivel structure. During the ejection and demolding process, for a wide-format cover, it is easy to deform the plastic part during ejection, resulting in the surface quality of the plastic part being affected. Therefore, it is urgent to design a wide-format anti-deformation plastic storage box cover injection molding 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 an injection mold for a refrigerator storage box [application number: 202222690090.4], which includes an upper template and a lower template, and two molding cavities are arranged between the upper template and the lower template. The side of the molding cavity is circumferentially provided with four buckle plate molding structures connected to the molding cavity. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a wide-format anti-deformation plastic storage box cover injection molding die.

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

[0006] A wide-width anti-deformation plastic storage box cover injection molding mold, including a storage box cover injection molding lower mold and a storage box cover injection molding upper mold, an injection molded part is arranged above the storage box cover injection molding upper mold, a clamping protrusion is arranged at the bottom of the storage box cover injection molding upper mold, two storage box cover molding upper parts are arranged in the clamping protrusion, a clamping cavity is arranged in the storage box cover injection molding lower mold, two storage box cover molding lower parts are arranged in the clamping cavity, the storage box cover molding upper part corresponds to the storage box cover molding lower part in position and matches in shape, a synchronous diverter is arranged between the two storage box cover molding upper parts, the synchronous diverter is communicated with the injection molded part, a large-area anti-deformation ejection demolding component is arranged below the storage box cover injection molding lower mold, and the large-area anti-deformation ejection demolding component corresponds to the position of the storage box cover molding lower part.

[0007] In the above-mentioned wide-area anti-deformation plastic storage box cover injection molding mold, the large-area anti-deformation ejection demolding component includes a side straight top, an end face inclined top, a card plate straight top and a side panel straight top arranged below the storage box cover injection lower mold, and the side straight top, the end face inclined top, the card plate straight top and the side panel straight top are respectively arranged alternately.

[0008] In the above-mentioned wide-area anti-deformation plastic storage box cover injection molding mold, the storage box cover molding lower part includes a main body molding lower part, a cardboard molding lower part, a side panel molding lower part and a rotating body molding lower part.

[0009] In the above-mentioned wide-width anti-deformation plastic storage box cover injection molding mold, the straight top of the card plate is arranged opposite to the card plate molding lower part, and the straight top of the side plate is arranged opposite to the side plate molding lower part.

[0010] In the above-mentioned wide-area anti-deformation plastic storage box cover injection molding mold, the storage box cover molding upper part includes a main body molding upper part, a cardboard molding upper part, a side panel molding upper part and a rotating body molding upper part.

[0011] In the above-mentioned wide-width anti-deformation plastic storage box cover injection molding mold, the main body molding upper part is arranged opposite to the main body molding lower part, the cardboard molding upper part is arranged opposite to the cardboard molding lower part, the side panel molding upper part is arranged opposite to the side panel molding lower part, and the swivel molding upper part is arranged opposite to the swivel molding lower part.

[0012] In the above-mentioned wide-width anti-deformation plastic storage box cover injection molding mold, the side straight top includes a plurality of side straight push rods arranged below the storage box cover injection lower mold, and the end face inclined top includes a plurality of end face inclined push rods arranged below the storage box cover injection lower mold.

[0013] In the above-mentioned wide-width anti-deformation plastic storage box cover injection molding mold, the straight top of the card plate includes a plurality of straight top rods of the card plate arranged below the lower injection molding mold of the storage box cover, and the straight top of the side panel includes a plurality of straight top rods of the side panel arranged below the lower injection molding mold of the storage box cover, and the straight top rods of the card plate are arranged opposite to the lower part of the card plate molding, and the straight top rods of the side panel are arranged opposite to the lower part of the side panel molding.

[0014] In the above-mentioned wide-area anti-deformation plastic storage box cover injection molding mold, the injection molded part includes an injection molded main board arranged above the storage box cover injection mold.

[0015] In the above-mentioned wide-area anti-deformation plastic storage box cover injection molding mold, the synchronous diverter includes an injection diverter channel arranged in the storage box cover injection upper mold, and the injection diverter channel is connected to the injection main board.

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

[0017] The utility model discloses a method for making a molded product by molding a mold, and a method for making a molded product by molding a mold. The method comprises: molding a molded product by molding a mold, and molding a molded product by molding a mold. The method comprises: molding a molded product by molding a molded product, and molding a molded product by molding a molded product. The method comprises: molding a molded product by molding a molded product, and molding a molded product by molding a molded product. The method comprises: molding a molded product by molding a molded product, and molding a molded product by molding a molded product. The method comprises: molding a molded product by molding a molded product, and molding a molded product

[0018] 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

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a partial structural schematic diagram of the utility model.

[0021] Figure 3 It is a partial structural schematic diagram of the utility model in another direction.

[0022] Figure 4 It is a structural schematic diagram of the upper mold for injection molding of the storage box cover.

[0023] In the figure: storage box cover injection molding lower mold 1, storage box cover injection molding upper mold 2, injection molded part 3, mold clamping protrusion 4, storage box cover molding upper part 5, mold clamping cavity 6, storage box cover molding lower part 7, synchronous diverter part 8, large-area anti-deformation ejection demolding component 9, side straight top 10, end face inclined top 11, card plate straight top 12, side panel straight top 13, main body molding lower part 14, card plate molding lower part 15, side panel molding lower part 16, swivel molding lower part 17, main body molding upper part 18, card plate molding upper part 19, side panel molding upper part 20, swivel molding upper part 21, side straight ejector rod 22, end face inclined ejector rod 23, card plate straight ejector rod 24, side panel straight ejector rod 25, injection molding main board 26, injection molding diverter channel 27. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-4As shown, a wide-format anti-deformation plastic storage box cover injection molding mold comprises a storage box cover injection molding lower mold 1 and a storage box cover injection molding upper mold 2, an injection molding part 3 is arranged above the storage box cover injection molding upper mold 2, a mold clamping protrusion 4 is arranged at the bottom of the storage box cover injection molding upper mold 2, two storage box cover molding upper parts 5 are arranged in the mold clamping protrusion 4, a mold clamping cavity 6 is arranged in the storage box cover injection molding lower mold 1, and two storage box cover molding upper parts 5 are arranged in the mold clamping cavity 6. The storage box cover plate molding lower part 7, the storage box cover plate molding upper part 5 corresponds to the position of the storage box cover plate molding lower part 7 and is matched in shape, a synchronous diverter part 8 is provided between the two storage box cover plate molding upper parts 5, the synchronous diverter part 8 is connected with the injection molded part 3, and a large-area anti-deformation ejection demolding component 9 is provided under the storage box cover plate injection lower mold 1, and the large-area anti-deformation ejection demolding component 9 corresponds to the position of the storage box cover plate molding lower part 7.

[0026] In this embodiment, during the injection molding process, the storage box cover plate injection lower mold 1 and the storage box cover plate injection upper mold 2 are brought close to each other, so that the mold protrusion 4 and the mold cavity 6 are in close contact with each other, and the mold closing accuracy is high. The storage box cover plate molding upper part 5 and the storage box cover plate molding lower part 7 cooperate to form a complete cavity, and the molten material is injected into the synchronous diverter part 8 through the injection molding part 3 for diversion. After the injection molding is completed, the mold is opened, and the side, end face, clamping plate and side plate of the formed storage box cover can be synchronously ejected and demolded through the large-area anti-deformation ejection demolding component 9. A large-area distributed synchronous ejection structure is adopted to avoid the ejection deformation of the plastic part during the ejection process, thereby ensuring the surface quality of the plastic part and the high ejection efficiency.

[0027] Combination Figure 1-4 As shown, the large-area anti-deformation ejection demolding component 9 includes a side straight top 10, an end face inclined top 11, a card plate straight top 12 and a side panel straight top 13 arranged below the storage box cover injection lower mold 1, and the side straight top 10, the end face inclined top 11, the card plate straight top 12 and the side panel straight top 13 are respectively staggered.

[0028] Specifically, after the injection molding is completed, the mold is opened, and the side, end face, card plate and side panel of the formed storage box cover can be synchronously ejected and demolded through the side straight top 10, the end inclined top 11, the card plate straight top 12 and the side panel straight top 13. A large-area dispersed synchronous ejection structure is adopted to avoid deformation of the plastic part during the ejection process, ensure the surface quality of the plastic part, and high ejection efficiency.

[0029] The storage box cover molding lower part 7 includes a main body molding lower part 14 , a cardboard molding lower part 15 , a side panel molding lower part 16 and a rotating body molding lower part 17 .

[0030] In this embodiment, the main body molding lower part 14 is used to assist in forming the lower main body structure of the storage box cover, the cardboard molding lower part 15 is used to assist in forming the lower cardboard structure of the storage box cover, the side panel molding lower part 16 is used to assist in forming the lower side panel structure of the storage box cover, and the swivel molding lower part 17 is used to assist in forming the lower swivel structure of the storage box cover.

[0031] Combination Figure 2 , Figure 4 As shown, the straight top portion 12 of the card board is arranged opposite to the card board forming lower portion 15, and the straight top portion 13 of the side panel is arranged opposite to the side panel forming lower portion 16.

[0032] The storage box cover molding upper part 5 includes a main body molding upper part 18, a cardboard molding upper part 19, a side panel molding upper part 20 and a rotating body molding upper part 21.

[0033] In this embodiment, the main body molding upper part 18 is used to assist in forming the upper main body structure of the storage box cover, the cardboard molding upper part 19 is used to assist in forming the upper cardboard structure of the storage box cover, the side panel molding upper part 20 is used to assist in forming the upper side panel structure of the storage box cover, and the swivel molding upper part 21 is used to assist in forming the upper swivel structure of the storage box cover.

[0034] Combination Figure 2 , Figure 4 As shown, the main body molding upper part 18 is arranged opposite to the main body molding lower part 14, the cardboard molding upper part 19 is arranged opposite to the cardboard molding lower part 15, the side panel molding upper part 20 is arranged opposite to the side panel molding lower part 16, and the rotating body molding upper part 21 is arranged opposite to the rotating body molding lower part 17.

[0035] The side straight top 10 includes a plurality of side straight push rods 22 arranged below the storage box cover injection lower mold 1, the end face inclined top 11 includes a plurality of end face inclined push rods 23 arranged below the storage box cover injection lower mold 1, the cardboard straight top 12 includes a plurality of cardboard straight push rods 24 arranged below the storage box cover injection lower mold 1, the side panel straight top 13 includes a plurality of side panel straight push rods 25 arranged below the storage box cover injection lower mold 1, the cardboard straight push rods 24 are arranged opposite to the cardboard forming lower part 15, and the side panel straight push rods 25 are arranged opposite to the side panel forming lower part 16.

[0036] In this embodiment, after the injection molding is completed, the side structure of the plastic part is pushed straight by the side straight push rod 22, the end face structure of the plastic part is pushed obliquely by the end face inclined push rod 23, the card plate structure of the plastic part is pushed straight by the card plate straight push rod 24, and the side plate structure of the plastic part is pushed straight by the side plate straight push rod 25. The side, end face, card plate and side plate of the formed storage box cover can be simultaneously ejected and demolded, and a large-area dispersed synchronous ejection structure is adopted to avoid deformation of the plastic part during the ejection process, thereby ensuring the surface quality of the plastic part and high ejection efficiency.

[0037] Combination Figure 1-4 As shown, the injection molded part 3 includes an injection molding main board 26 arranged above the storage box cover injection molding upper mold 2, and the synchronous diverter part 8 includes an injection molding diverter channel 27 arranged in the storage box cover injection molding upper mold 2, and the injection molding diverter channel 27 is connected to the injection molding main board 26.

[0038] In this embodiment, during injection molding, the molten material is injected into the injection branch channel 27 through the injection main board 26 for branching and then injected into the mold cavity to complete the injection molding.

[0039] The working principle of the utility model is:

[0040] During the injection molding process, the storage box cover plate injection lower mold 1 and the storage box cover plate injection upper mold 2 are brought close to each other, so that the mold protrusion 4 and the mold cavity 6 are fitted together, the mold clamping accuracy is high, the storage box cover plate molding upper piece 5 and the storage box cover plate molding lower piece 7 cooperate to form a complete cavity, the molten material is injected into the injection molding diverter 27 through the injection molding main board 26 for diversion and then injected into the cavity, the main body molding lower part 14 is used to assist in molding the lower main body structure of the storage box cover, and the cardboard molding lower part 15 is used to assist in molding the storage box cover The lower cardboard structure of the side panel forming lower part 16 is used to assist in forming the lower side panel structure of the storage box cover, the rotation forming lower part 17 is used to assist in forming the lower rotation structure of the storage box cover, the main body forming upper part 18 is used to assist in forming the upper main body structure of the storage box cover, the cardboard forming upper part 19 is used to assist in forming the upper cardboard structure of the storage box cover, the side panel forming upper part 20 is used to assist in forming the upper side panel structure of the storage box cover, and the rotation forming upper part 21 is used to assist in forming the upper rotation structure of the storage box cover.

[0041] After the injection molding is completed, the side structure of the plastic part is pushed up by the side straight ejector rod 22, the end face structure of the plastic part is pushed up by the end face inclined ejector rod 23, the card plate structure of the plastic part is pushed up by the card plate straight ejector rod 24, and the side plate structure of the plastic part is pushed up by the side plate straight ejector rod 25. The side, end face, card plate and side plate of the formed storage box cover can be ejected and demolded synchronously, and a large-area dispersed synchronous ejection structure is adopted to avoid deformation of the plastic part during the ejection process, thereby ensuring the surface quality of the plastic part and high ejection efficiency.

[0042] 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.

[0043] Although this article uses more terms such as storage box cover injection molding lower mold 1, storage box cover injection molding upper mold 2, injection molded part 3, mold clamping protrusion 4, storage box cover molding upper part 5, mold clamping cavity 6, storage box cover molding lower part 7, synchronous diverter part 8, large-area anti-deformation ejection demolding component 9, side straight top 10, end inclined top 11, pallet straight top 12, side panel straight top 13, main body molding lower part 14, pallet molding lower part 15, side panel molding lower part 16, swivel molding lower part 17, main body molding upper part 18, pallet molding upper part 19, side panel molding upper part 20, swivel molding upper part 21, side straight ejector rod 22, end inclined ejector rod 23, pallet straight ejector rod 24, side panel straight ejector rod 25, injection molding main board 26, injection molding diverter 27, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the present invention. Any additional limitations construed by them are contrary to the spirit of the present invention.

Claims

1. A wide-format anti-deformation plastic storage box cover injection molding mold, comprising a storage box cover injection molding lower mold (1) and a storage box cover injection molding upper mold (2), It is characterized in that An injection molded part (3) is provided above the storage box cover plate injection mold upper mold (2), a mold clamping protrusion (4) is provided at the bottom of the storage box cover plate injection mold upper mold (2), two storage box cover plate molding upper parts (5) are provided in the mold clamping protrusion (4), a mold clamping cavity (6) is provided in the storage box cover plate injection mold lower mold (1), two storage box cover plate molding lower parts (7) are provided in the mold clamping cavity (6), the storage box cover plate molding upper parts (5) correspond to the storage box cover plate molding lower parts (7) in position and have matching shapes, a synchronous diverter part (8) is provided between the two storage box cover plate molding upper parts (5), the synchronous diverter part (8) is connected to the injection molded part (3), and a large-area anti-deformation ejection demolding component (9) is provided below the storage box cover plate injection mold lower mold (1), and the large-area anti-deformation ejection demolding component (9) corresponds to the position of the storage box cover plate molding lower part (7).

2. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 1, It is characterized in that The large-area anti-deformation ejection demoulding component (9) comprises a side straight top (10), an end face inclined top (11), a card plate straight top (12) and a side plate straight top (13) arranged below the storage box cover injection lower mold (1), and the side straight top (10), the end face inclined top (11), the card plate straight top (12) and the side plate straight top (13) are arranged alternately.

3. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 2, It is characterized in that The storage box cover plate forming lower part (7) comprises a main body forming lower part (14), a card plate forming lower part (15), a side plate forming lower part (16) and a rotating body forming lower part (17).

4. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 3, It is characterized in that The straight top portion (12) of the card plate is arranged opposite to the card plate forming lower portion (15), and the straight top portion (13) of the side plate is arranged opposite to the side plate forming lower portion (16).

5. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 4, It is characterized in that The storage box cover molding upper part (5) comprises a main body molding upper part (18), a cardboard molding upper part (19), a side plate molding upper part (20) and a rotating body molding upper part (21).

6. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 5, It is characterized in that The main body molding upper part (18) is arranged opposite to the main body molding lower part (14), the cardboard molding upper part (19) is arranged opposite to the cardboard molding lower part (15), the side panel molding upper part (20) is arranged opposite to the side panel molding lower part (16), and the rotating body molding upper part (21) is arranged opposite to the rotating body molding lower part (17).

7. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 6, It is characterized in that The side straight top (10) comprises a plurality of side straight push rods (22) arranged below the storage box cover injection lower mold (1), and the end face inclined top (11) comprises a plurality of end face inclined push rods (23) arranged below the storage box cover injection lower mold (1).

8. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 7, It is characterized in that The card plate straight top (12) includes a plurality of card plate straight push rods (24) arranged below the storage box cover injection lower mold (1), and the side panel straight top (13) includes a plurality of side panel straight push rods (25) arranged below the storage box cover injection lower mold (1), the card plate straight push rods (24) are arranged opposite to the card plate molding lower part (15), and the side panel straight push rods (25) are arranged opposite to the side panel molding lower part (16).

9. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 8, It is characterized in that The injection molded part (3) comprises an injection molded main board (26) arranged above the upper injection mold (2) of the storage box cover.

10. The wide-format anti-deformation plastic storage box cover injection molding mold according to claim 9, It is characterized in that The synchronous flow divider (8) comprises an injection molding flow divider (27) arranged in the upper injection molding mold (2) of the storage box cover, and the injection molding flow divider (27) is connected to the injection molding main board (26).

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