Mold for simultaneous injection molding of upper cover and lower cover and injection molding product

Abstract

The utility model relates to a mould and an injection product capable of simultaneously performing injection molding on an upper cover and a lower cover, which comprises an upper mould and a lower mould, an upper mould core is arranged on the upper mould, a lower mould core is arranged on the lower mould, and an upper cover cavity and a lower cover cavity are respectively arranged on the left side and the right side of a molding surface of the upper mould core. An upper cover mold core and a lower cover mold core are arranged on the left side and the right side of the lower mold core forming face respectively, a plurality of pitched roofs are arranged on the lower cover mold core, forming protrusions and forming notches are arranged on the pitched roofs respectively, the forming protrusions are used for forming buckling position grooves in a lower cover, and the forming notches are used for forming clamping hooks on the lower cover. According to the utility model, firstly, the upper cover and the lower cover can be simultaneously formed through one set of mold, so that the cost for manufacturing the mold can be reduced, and the production efficiency can be effectively improved; the clamping hooks are arranged on the bottom wall of the lower cover, so that electronic elements or other parts can be fixedly installed through the clamping hooks, screw locking is not needed, the screw cost is saved, and meanwhile the installation efficiency is improved; the buckling grooves and the clamping hooks which are close in position on the lower cover are arranged on the same inclined top, so that the structure is simplified, meanwhile, the width of the inclined top is increased, the situation that the strength of the inclined top is insufficient can be avoided, and the service life of the mold can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a mold for simultaneously injection molding an upper and lower cover and an injection molded product. Background Art

[0002] In the prior art, part of the box body is formed by combining an upper cover and a lower cover. During production, the upper cover and the lower cover are respectively manufactured by two sets of independent molds, which increases the mold cost of the enterprise and also reduces the production efficiency.

[0003] The upper cover and the lower cover are usually installed by snapping together, that is, the upper cover is provided with a hook, and the lower cover is provided with a buckle groove that cooperates with the hook. When designing the mold, the buckle groove of the lower cover is generally designed with a slanted top for molding. However, since the buckle groove is small in size, the corresponding slanted top is also thinner, and the strength of the slanted top is insufficient.

[0004] In addition, the box body in the prior art generally has electronic components or other parts installed in the box body, so screw columns for fixing the electronic components or other parts need to be provided in the lower cover; therefore, when fixing the electronic components or other parts, they need to be fixed by screws, which makes the installation more troublesome and the production cost higher. Utility Model Content

[0005] The present invention aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the present invention proposes a mold and an injection molded product for simultaneously injecting upper and lower covers, which can facilitate the installation of electronic components or other parts on the lower cover, and at the same time, can improve the strength of the mold's inclined top during mold production and extend the life of the mold.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mold for simultaneous injection molding of upper and lower covers comprises an upper mold and a lower mold, wherein an upper mold core is arranged on the upper mold, and a lower mold core is arranged on the lower mold, an upper cover cavity and a lower cover cavity are arranged on the left and right sides of the molding surface of the upper mold core, respectively, an upper cover core and a lower cover core are arranged on the left and right sides of the molding surface of the lower mold core, respectively, a plurality of inclined tops are arranged on the lower cover core, and molding protrusions and molding grooves are arranged on the inclined tops, respectively, the molding protrusions are used to form a buckle groove on the lower cover, and the molding grooves are used to form a hook on the lower cover.

[0008] In some embodiments, the upper mold includes an upper fixed plate and an upper mold plate, the upper mold core is arranged on the upper mold plate, the lower mold includes a lower fixed plate, a foot mold, an ejector plate and a lower mold plate, and the lower mold core is arranged on the lower mold plate.

[0009] In some embodiments, a slider mechanism is provided on both the left and right sides of the lower mold, and the slider mechanism includes a slider seat, a molding convex surface provided on the inner side of the slider seat for cooperating with the molding, and an inclined guide column. The slider seat is slidably provided on the lower mold plate, and the inclined guide column is provided on the upper mold plate for cooperating with the slider seat and driving the slider seat to slide.

[0010] In some embodiments, the molded convex surface is a rough surface molded to form sun grains.

[0011] In some embodiments, a plurality of springs are provided between the lower template and the ejector plate.

[0012] The utility model also provides an injection molding product, which adopts the mold for simultaneous injection molding of the upper and lower covers described above, wherein the upper cover and the lower cover are included, a plurality of upper cover hooks are arranged on the upper cover, a buckle groove that cooperates with the upper cover hook is arranged on the inner wall surface of the lower cover, and a plurality of hooks are also arranged on the inner bottom wall of the lower cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. First, the upper cover and the lower cover can be formed at the same time through a set of molds, which can reduce the cost of making molds and effectively improve production efficiency;

[0015] 2. By providing a hook on the bottom wall of the lower cover, the electronic components or other parts can be fixed and installed by the hook without screws, thus saving the cost of screws and improving the installation efficiency;

[0016] 3. By setting the buckle slot and the hook at similar positions on the lower cover on a sloping top, the structure is simplified. At the same time, the width of the sloping top is increased, which can also avoid the lack of strength of the sloping top, thereby extending the life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the molding die of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of the molding die of the utility model;

[0019] Figure 3 It is a schematic diagram of the lower mold of the molding mold of the utility model;

[0020] Figure 4 It is a schematic diagram of the upper mold of the molding mold of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the utility model inclined roof;

[0022] Figure 6Schematic diagram of the upper cover and the lower cover of the present invention. DETAILED DESCRIPTION

[0023] The following specific implementation contents provide a variety of different embodiments or examples for implementing the utility model. Of course, these are only embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals may be used in different embodiments, such as repeated numbers and / or letters. These repetitions are for the purpose of simply and clearly describing the utility model and do not represent a specific relationship between the different embodiments and / or structures discussed.

[0024] The following figures and specific implementations further describe the utility model: Figure 1-Figure 5 A mold for simultaneous injection molding of upper and lower covers shown in the figure comprises an upper mold 1 and a lower mold 2, an upper mold core 3 is arranged on the upper mold 1, a lower mold core 4 is arranged on the lower mold 2, an upper cover cavity 5 and a lower cover cavity 6 are arranged on the left and right sides of the molding surface of the upper mold core 3, an upper cover core 7 and a lower cover core 8 are arranged on the left and right sides of the molding surface of the lower mold core 4, a plurality of inclined tops 9 are arranged on the lower cover core 8, and molding protrusions 10 and molding grooves 11 are respectively arranged on the inclined tops 9, the molding protrusions 10 are used to form a buckle groove 12 on the lower cover 101, and the molding grooves 11 are used to form a hook 13 on the lower cover 101.

[0025] In the present invention, firstly, the upper cover 100 and the lower cover 101 can be formed simultaneously by using a set of molds, which can reduce the cost of making the molds and effectively improve the production efficiency.

[0026] In addition, by arranging the buckle groove 12 and the hook 13 on the lower cover 101 which are located at similar positions on one inclined top 9, the structure is simplified and the width of the inclined top 9 is increased, which can also avoid the insufficient strength of the inclined top 9 and thus extend the life of the mold.

[0027] In the present invention, the upper mold 1 includes an upper fixing plate 21 and an upper mold plate 22, the upper mold core 3 is arranged on the upper mold plate 22, the lower mold 2 includes a lower fixing plate 23, a foot mold 24, an ejector plate 25 and a lower mold plate 26, and the lower mold core 4 is arranged on the lower mold plate 26.

[0028] Of course, the lift mechanism also includes a lift guide block and a lift seat. The lift seat is mounted on the ejector plate 25 and is used to be fixed on the lower end of the lift 9, while the lift guide block is used to guide the movement of the lift 9.

[0029] See also Figure 2 , Figure 3As shown, a slider mechanism is provided on both sides of the lower mold 2, and the slider mechanism includes a slider seat 31, a molding convex surface 32 provided on the inner side of the slider seat 31 for cooperating with the molding, and an inclined guide column 33. The slider seat 31 is slidably provided on the lower mold plate 26, and the inclined guide column 33 is provided on the upper mold plate 22 for cooperating with the slider seat 31 and driving the slider seat 31 to slide.

[0030] Furthermore, the molded convex surface 32 is a rough surface molded to form sun grains.

[0031] By setting the slider mechanism, multiple upper cover hooks 61 of the upper cover can be formed by a slider, and at the same time, the clamping line can be reduced to avoid affecting the appearance; in addition, it can also meet the effect requirements of the sunburnt pattern on the side wall of the product; if the pillow position is made directly, there will definitely be strain, so the design of the slider meets the production needs.

[0032] See also Figure 1 , Figure 2 As shown, a plurality of springs 51 are arranged between the lower mold plate 26 and the ejector plate 25; through the arrangement of the springs 51, the ejector plate 25 can automatically reset after ejecting the product.

[0033] See also Figure 6 As shown, an injection molded product is injection molded by the mold for simultaneously injecting the upper and lower covers as described above, wherein the upper cover 100 and the lower cover 101 are included, a plurality of upper cover hooks 61 are arranged on the upper cover 100, a buckle groove 12 for snapping with the upper cover hook 61 is arranged on the inner wall surface of the lower cover 101, and a plurality of hooks 13 are also arranged on the inner bottom wall of the lower cover 101; of course, the corresponding buckle grooves 12 and hooks 13 are designed to be relatively similar, and the distance between the two is preferably 15-25mm; by forming the hooks 13 on the bottom wall of the lower cover 101, the electronic components or other parts can be fixed and installed by the hooks 13, without the need for locking screws, saving the cost of screws and improving the installation efficiency; and when the upper cover 100 and the lower cover 101 are assembled, the upper cover hooks 61 can be directly snap-fitted with the buckle grooves 12.

[0034] Combined with the drawings and the above display and description of the basic principles and main features of the utility model and the advantages of the utility model, the technical personnel in the industry should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mold for simultaneous injection molding of upper and lower covers, comprising an upper mold (1) and a lower mold (2), wherein an upper mold core (3) is arranged on the upper mold (1), and a lower mold core (4) is arranged on the lower mold (2), characterized in that: An upper cover cavity (5) and a lower cover cavity (6) are respectively arranged on the left and right sides of the molding surface of the upper mold core (3); an upper cover core (7) and a lower cover core (8) are respectively arranged on the left and right sides of the molding surface of the lower mold core (4); a plurality of inclined tops (9) are arranged on the lower cover core (8); and molding protrusions (10) and molding notches (11) are respectively arranged on the inclined tops (9); the molding protrusions (10) are used to form a buckle groove (12) on the lower cover (101); and the molding notches (11) are used to form a hook (13) on the lower cover (101).

2. The mold for simultaneous injection molding of upper and lower covers according to claim 1, characterized in that: The upper mold (1) comprises an upper fixing plate (21) and an upper mold plate (22), the upper mold core (3) is arranged on the upper mold plate (22), the lower mold (2) comprises a lower fixing plate (23), a foot mold (24), an ejector plate (25) and a lower mold plate (26), and the lower mold core (4) is arranged on the lower mold plate (26).

3. The mold for simultaneous injection molding of upper and lower covers according to claim 2, characterized in that: Slider mechanisms are provided on both left and right sides of the lower mold (2), the slider mechanisms comprising a slider seat (31), a molding convex surface (32) provided on the inner side of the slider seat (31) for cooperating with the molding, and an inclined guide column (33), the slider seat (31) being slidably provided on the lower mold plate (26), the inclined guide column (33) being provided on the upper mold plate (22) for cooperating with the slider seat (31) and driving the slider seat (31) to slide.

4. The mold for simultaneous injection molding of upper and lower covers according to claim 3, characterized in that: The molded convex surface (32) is a rough surface molded to form sunray patterns.

5. The mold for simultaneous injection molding of upper and lower covers according to claim 2, characterized in that: A plurality of springs (51) are arranged between the lower mold plate (26) and the ejector plate (25).

6. An injection molded product, characterized in that: Injection molding using a mold for simultaneous injection molding of upper and lower covers as described in any one of claims 1 to 5, wherein the upper cover (100) and the lower cover (101) are included, a plurality of upper cover hooks (61) are provided on the upper cover (100), a buckle groove (12) for buckling with the upper cover hook (61) is provided on the inner wall surface of the lower cover (101), and a plurality of hooks (13) are also provided on the inner bottom wall of the lower cover (101).

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