Plastic painted egg multi-cavity injection mold

Abstract

The utility model belongs to the technical field of molds, and relates to a plastic painted egg multi-cavity injection mold. The plastic painted egg forming mold comprises a plastic painted egg forming lower mold and a plastic painted egg forming upper mold. During injection molding, the multi-form painted egg forming assembly and the multi-form painted egg forming cavity part abut against each other and are matched to form a plurality of complete painted egg tip cavities and painted egg round end cavities, and a multi-form multi-cavity structure is adopted, so that tip structures and round end structures of a plurality of plastic painted eggs can be formed at a time; the sharp end structures and the round end structures of the painted eggshells can be combined to form a complete plastic painted eggshell, the mold is opened after injection molding is completed, the sharp end structures and the round end structures of the formed plastic painted eggshells are synchronously ejected and demolded through the ejection piece, the ejection efficiency is high, the sharp end structures and the round end structures of a plurality of plastic painted eggshells can be achieved through one mold, and the mold is simple in structure and convenient to operate. And after the mold is opened and ejected, the next step of assembly can be directly carried out without a plurality of molds, so that the production cost is greatly reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of plastic color egg multi-cavity injection mould. BACKGROUND

[0002] Injection molding, also known as injection molding, is a molding method of injection and molding. The advantages of injection molding method are high production speed, high efficiency, automatic operation, various colors and shapes, and accurate product size. The product is easy to update, and the injection molding is suitable for mass production and complex product molding processing field. At present, plastic color eggs are also molded by injection molding, and the existing plastic color eggs are generally combined structure, one end is a sharp head, one end is a round head, and the sharp end needs to be equipped with a threaded structure to facilitate subsequent assembly. At present, plastic color egg injection mold can only form multiple same type color egg structures at a time, such as sharp head or round head, which needs multiple molds to cooperate with production, and the production cost is high, and the production efficiency is general. Therefore, it is urgent to design a plastic color egg multi-cavity injection mold which can overcome the above defects.

[0003] In order to overcome the defects of the prior art, people have explored various solutions, such as Chinese patent discloses a thin-walled plastic color egg multi-cavity forming mold with layered hot runner mechanism [application number: 202220183962.5], including upper mold base, the bottom end of the upper mold base is provided with upper mold cavity, the lower part of the upper mold base is provided with lower mold base, the top end of the lower mold base is provided with lower mold cavity, the upper mold base and the lower mold base are connected by a plurality of driving extension rods, the top end of the upper mold base is provided with top end hot runner base, the middle part of the top end hot runner base is provided with main runner. However, in the injection molding process, it is still difficult to synchronously form the sharp end structure and the round end structure of the plastic color egg, and multiple molds are still needed to cooperate with production, which has the defects of high production cost and general production efficiency. SUMMARY

[0004] The utility model aims at the above problem, and provides a kind of plastic color egg multi-cavity injection mould.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of plastic color egg multi-cavity injection mold, including plastic color egg forming lower mould and plastic color egg forming upper mould, injection part is equipped above the plastic color egg forming upper mould, positioning panel is equipped between the plastic color egg forming lower mould and plastic color egg forming upper mould, positioning part is equipped in the positioning panel, the plastic color egg forming lower mould is equipped with the multi-form color egg forming assembly that passes through positioning part, the plastic color egg forming upper mould has multi-form color egg forming cavity part, the position of the multi-form color egg forming assembly and multi-form color egg forming cavity part corresponds and shape is matched, the plastic color egg forming lower mould below is equipped with support plate, the support plate below is equipped with the ejection piece that sequentially passes through support plate and multi-form color egg forming assembly.

[0007] In the above-mentioned plastic color egg multi-cavity injection mold, the multi-form color egg forming assembly includes a plurality of first forming columns and second forming columns arranged in the plastic color egg forming lower mould, the first forming column top is provided with a color egg pointed end forming piece, the second forming column top is provided with a color egg round end forming piece, and the color egg pointed end forming piece and the color egg round end forming piece correspond to the positions of the multi-form color egg forming cavity part, respectively.

[0008] In the above-mentioned plastic color egg multi-cavity injection mold, the color egg pointed end forming piece includes a color egg pointed end forming protrusion arranged on the top of the first forming column, and the color egg pointed end forming protrusion has a threaded forming part between the first forming column.

[0009] In the above-mentioned plastic color egg multi-cavity injection mold, the color egg round end forming piece includes a color egg round end forming protrusion arranged on the top of the second forming column, and the second forming column is staggered with the first forming column and parallel to each other.

[0010] In the above-mentioned plastic color egg multi-cavity injection mold, the multi-form color egg forming cavity part includes a plurality of pointed end forming cavity grooves and round end forming cavity grooves arranged in the plastic color egg forming upper mould, the pointed end forming cavity groove corresponds to the position of the color egg pointed end forming protrusion and is matched in shape, and the round end forming cavity groove corresponds to the position of the color egg round end forming protrusion and is matched in shape.

[0011] In the above-mentioned plastic color egg multi-cavity injection mold, the positioning part includes a plurality of positioning hole grooves arranged in the positioning panel, and the first forming column and the second forming column pass through the positioning hole grooves, respectively.

[0012] In the above-mentioned plastic color egg multi-cavity injection mold, the bottom of the first forming column and the second forming column abuts against the support plate, respectively.

[0013] In the above-mentioned plastic color egg multi-cavity injection mold, the ejection piece includes an ejection fixed plate arranged below the support plate, a plurality of ejector pins are arranged on the ejection fixed plate, and the ejector pins pass through the color egg pointed end forming protrusion and the color egg round end forming protrusion.

[0014] In the above-mentioned multi-cavity injection mold for plastic color eggs, the bottom of the ejection fixed plate is provided with a fixed base plate, two anti-deviation magnets are arranged on the fixed base plate, and the ejection fixed plate is in sliding fit with the anti-deviation magnets.

[0015] In the above-mentioned multi-cavity injection mold for plastic color eggs, the injection part comprises an injection main plate arranged above the upper mold for plastic color eggs and an injection hole.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The utility model discloses a plastic color egg forming upper mold and a plastic color egg forming lower mold are approached to each other, so that the multi-form color egg forming assembly and the multi-form color egg forming cavity are abutted and matched to form complete multiple color egg pointed end cavities and color egg round end cavities, the molten material is injected into the cavity through the injection part, the multi-form multi-cavity structure is adopted, the pointed end structure and the round end structure of multiple plastic color eggs can be formed at one time, the pointed end structure and the round end structure of the color egg can be combined to form a complete plastic color egg, the mold is opened after injection molding is completed, the pointed end structure and the round end structure of the formed plastic color egg are synchronously ejected and demolded through the ejection part, the ejection efficiency is high, the pointed end structure and the round end structure of multiple plastic color eggs can be realized through one mold, the next step of assembly can be directly carried out after the mold is opened and ejected, multiple molds are not needed, the production cost is greatly reduced, and the production efficiency is improved.

[0018] 2、The threaded forming part in the utility model can synchronously form the threaded structure of the assembly position, secondary threaded processing is not needed, and the process is shortened.

[0019] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

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

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

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

[0023] Figure 4 It is a structural schematic diagram of the positioning panel.

[0024] Figure 5 It is a structural schematic diagram of the plastic color egg forming upper mold.

[0025] In the figure: plastic color egg forming lower die 1, plastic color egg forming upper die 2, injection molding part 3, positioning panel 4, positioning part 5, multi-form color egg forming assembly 6, multi-form color egg forming cavity part 7, support plate 8, ejector 9, first forming column 10, second forming column 11, color egg tip forming part 12, color egg round end forming part 13, color egg tip forming protrusion 14, thread forming part 15, color egg round end forming protrusion 16, tip forming cavity groove 17, round end forming cavity groove 18, positioning hole groove 19, ejector fixing plate 20, ejector pin 21, fixed base plate 22, anti-deviation inch 23, injection molding main plate 24, injection molding hole 25. DETAILED DESCRIPTION

[0026] The utility model will be further explained in connection with the drawings below.

[0027] As Figures 1-5 shown, a plastic color egg multi-cavity injection mold, comprising plastic color egg forming lower die 1 and plastic color egg forming upper die 2, the plastic color egg forming upper die 2 top is equipped with injection molding part 3, the plastic color egg forming lower die 1 and plastic color egg forming upper die 2 between being equipped with positioning panel 4, the positioning panel 4 inside being equipped with positioning part 5, the plastic color egg forming lower die 1 inside being equipped with multi-form color egg forming assembly 6 through positioning part 5, the plastic color egg forming upper die 2 having multi-form color egg forming cavity part 7, the multi-form color egg forming assembly 6 and multi-form color egg forming cavity part 7's position corresponding and shape are matched, the plastic color egg forming lower die 1 below being equipped with support plate 8, the support plate 8 below being equipped with the ejector 9 through support plate 8 and multi-form color egg forming assembly 6 in proper order.

[0028] In the embodiment, when injection molding, the plastic color egg forming lower die 1 and the plastic color egg forming upper die 2 are close to each other, so that the multi-form color egg forming assembly 6 and the multi-form color egg forming cavity part 7 are abutted and matched to form complete multiple color egg tip cavities and color egg round end cavities, the molten material is injected into the cavity through the injection molding part 3, a multi-form multi-cavity structure is adopted, the tip structure and the round end structure of multiple plastic color eggs can be formed at one time, the tip structure and the round end structure of the color egg can be combined to form a complete plastic color egg, after injection molding, the mold is opened, and the tip structure and the round end structure of the formed plastic color egg are synchronously ejected and demolded through the ejector 9, the ejection efficiency is high, the mold can realize the tip structure and the round end structure of multiple plastic color eggs, after the mold is opened and ejected, the next step of assembly can be directly carried out, multiple molds are not needed, the production cost is greatly reduced, and the production efficiency is improved.

[0029] In combination Figures 1-5As shown, the multi-form plastic egg forming assembly 6 comprises a plurality of first forming columns 10 and second forming columns 11 arranged in the plastic egg forming lower mold 1, the first forming columns 10 are provided with plastic egg tip forming members 12 at the top, and the second forming columns 11 are provided with plastic egg round end forming members 13 at the top, the plastic egg tip forming members 12 and the plastic egg round end forming members 13 correspond to the positions of the multi-form plastic egg forming cavity 7 respectively.

[0030] Specifically, the first forming columns 10 are used to fix the plastic egg tip forming members 12, and the second forming columns 11 are used to fix the plastic egg round end forming members 13, during injection molding, the plastic egg tip forming members 12 cooperate with the multi-form plastic egg forming cavity 7 to form the tip structure of the plastic egg, and the plastic egg round end forming members 13 cooperate with the multi-form plastic egg forming cavity 7 to form the round end structure of the plastic egg.

[0031] In combination Figure 2 , Figure 3 As shown, the plastic egg tip forming members 12 comprise plastic egg tip forming protrusions 14 arranged at the top of the first forming columns 10, and the plastic egg tip forming protrusions 14 and the first forming columns 10 have threaded forming portions 15 therebetween.

[0032] In this embodiment, the plastic egg tip forming protrusions 14 cooperate with the multi-form plastic egg forming cavity 7 to form the tip structure of the plastic egg, and the threaded forming portions 15 can synchronously form the threaded structure of the assembly position, without the need for secondary threaded processing, thereby shortening the process.

[0033] The plastic egg round end forming members 13 comprise plastic egg round end forming protrusions 16 arranged at the top of the second forming columns 11, and the second forming columns 11 are staggered with the first forming columns 10 and parallel to each other.

[0034] In this embodiment, the plastic egg round end forming protrusions 16 cooperate with the multi-form plastic egg forming cavity 7 to form the round end structure of the plastic egg.

[0035] In combination Figures 2-5 As shown, the multi-form plastic egg forming cavity 7 comprises a plurality of tip forming cavity grooves 17 and round end forming cavity grooves 18 arranged in the plastic egg forming upper mold 2, the tip forming cavity grooves 17 correspond to the positions of the plastic egg tip forming protrusions 14 and are matched in shape, and the round end forming cavity grooves 18 correspond to the positions of the plastic egg round end forming protrusions 16 and are matched in shape.

[0036] In this embodiment, the tip forming cavity grooves 17 cooperate with the plastic egg tip forming protrusions 14 to form the tip structure of the plastic egg, and the round end forming cavity grooves 18 cooperate with the plastic egg round end forming protrusions 16 to form the round end structure of the plastic egg.

[0037] The positioning part 5 comprises a plurality of positioning holes 19 arranged in the positioning panel 4, and the first forming column 10 and the second forming column 11 pass through the positioning holes 19 respectively.

[0038] In the embodiment, the positioning holes 19 are used for positioning the first forming column 10 and the second forming column 11, so that the first forming column 10 and the second forming column 11 are prevented from shaking, and the stability is high.

[0039] The bottom of the first forming column 10 and the second forming column 11 abuts against the supporting plate 8 respectively.

[0040] In the embodiment, the supporting plate 8 is used for supporting the bottom of the first forming column 10 and the second forming column 11.

[0041] As shown in Figures 2-5 The ejector 9 comprises an ejecting fixed plate 20 arranged below the supporting plate 8, a plurality of ejecting pins 21 are arranged on the ejecting fixed plate 20, and the ejecting pins 21 pass through the colored egg pointed end forming protrusion 14 and the colored egg round end forming protrusion 16.

[0042] In the embodiment, the ejecting fixed plate 20 is used for mounting and fixing the ejecting pins 21, and the mold is opened after injection molding, and the molded plastic parts can be ejected and demolded through the ejecting pins 21.

[0043] As shown in Figure 1 , Figure 2 The bottom of the ejecting fixed plate 20 is provided with a fixed base plate 22, two anti-deviation inch steel 23 are arranged on the fixed base plate 22, and the ejecting fixed plate 20 is in sliding fit with the anti-deviation inch steel 23.

[0044] In the embodiment, during the movement of the ejecting fixed plate 20, the ejecting fixed plate 20 is in sliding fit with the anti-deviation inch steel 23, so that the ejecting fixed plate 20 and the ejecting pins 21 are limited, and the angle deviation of the ejecting fixed plate 20 is avoided.

[0045] As shown in Figure 1 The injection molding part 3 comprises an injection molding main plate 24 and an injection molding hole 25 arranged above the plastic colored egg forming upper mold 2.

[0046] In the embodiment, during injection molding, the molten material is injected into the cavity through the injection molding main plate 24 and the injection molding hole 25, and the injection molding is completed.

[0047] The working principle of the utility model is as follows:

[0048] When injection molding, the plastic egg forming lower mold 1 and the plastic egg forming upper mold 2 are close to each other, the molten material is injected into the cavity through the injection molding main plate 24 and the injection molding hole 25, the tip forming cavity groove 17 cooperates with the egg tip forming protrusion 14 to form the tip structure of the plastic egg, the thread forming part 15 can synchronously form the thread structure of the assembly position, without secondary thread processing, the process is shortened, the round end forming cavity groove 18 cooperates with the egg round end forming protrusion 16 to form the round end structure of the plastic egg, the tip structure and the round end structure of the egg can be combined to form a complete plastic egg, after the injection molding is completed, the molded parts can be ejected and demolded through the ejector pin 21, during the movement of the ejection fixing plate 20, the ejection fixing plate 20 and the anti-deviation inch 23 are in sliding cooperation, which can limit the ejection fixing plate 20 and the ejector pin 21, avoiding the angle deviation of the ejection fixing plate 20, the mold can realize the tip structure and the round end structure of multiple plastic eggs through one mold, after the mold is opened and ejected, the next assembly can be directly carried out, without multiple molds, the production cost is greatly reduced, and the production efficiency is improved,

[0049] The positioning hole groove 19 is used for positioning the first forming column 10 and the second forming column 11, avoiding the shaking of the first forming column 10 and the second forming column 11, and having strong stability,

[0050] The support plate 8 supports the bottom of the first forming column 10 and the second forming column 11.

[0051] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace, but will not deviate from the spirit of the utility model.

[0052] Although the terms such as the plastic egg forming lower mold 1, the plastic egg forming upper mold 2, the injection molded part 3, the positioning panel 4, the positioning part 5, the multi-form egg forming assembly 6, the multi-form egg forming cavity part 7, the support plate 8, the ejector 9, the first forming column 10, the second forming column 11, the egg tip forming part 12, the egg round end forming part 13, the egg tip forming protrusion 14, the thread forming part 15, the egg round end forming protrusion 16, the tip forming cavity groove 17, the round end forming cavity groove 18, the positioning hole groove 19, the ejection fixing plate 20, the ejector pin 21, the fixed base plate 22, the anti-deviation inch 23, the injection molding main plate 24, and the injection molding hole 25 are used more frequently herein, but the possibility of using other terms is not excluded. Using these terms is only for more convenient description and explanation of the essence of the utility model, and it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A multi-cavity injection mold for plastic Easter eggs, comprising a plastic Easter egg forming lower mold (1) and a plastic Easter egg forming upper mold (2), characterized in that, The upper mold (2) of the plastic color egg forming device is provided with an injection molding part (3), the lower mold (1) and the upper mold (2) are provided with a positioning panel (4), the positioning panel (4) is provided with a positioning part (5), the lower mold (1) is provided with a multi-form color egg forming assembly (6) penetrating through the positioning part (5), the upper mold (2) is provided with a multi-form color egg forming cavity (7), the multi-form color egg forming assembly (6) corresponds to the position of the multi-form color egg forming cavity (7) and is matched in shape, the lower mold (1) is provided with a supporting plate (8) below, and the supporting plate (8) is provided with an ejection part (9) penetrating through the supporting plate (8) and the multi-form color egg forming assembly (6) in sequence.

2. The multi-cavity injection mold for plastic Easter eggs of claim 1, wherein, The multi-form color egg forming assembly (6) comprises a plurality of first forming columns (10) and second forming columns (11) arranged in the lower mold (1), the top of the first forming column (10) is provided with a color egg pointed end forming part (12), the top of the second forming column (11) is provided with a color egg round end forming part (13), and the color egg pointed end forming part (12) and the color egg round end forming part (13) correspond to the positions of the multi-form color egg forming cavity (7) respectively.

3. The multi-cavity injection mold for plastic Easter eggs of claim 2, wherein, The color egg pointed end forming part (12) comprises a color egg pointed end forming protrusion (14) arranged at the top of the first forming column (10), and the color egg pointed end forming protrusion (14) is provided with a threaded forming part (15) between the first forming column (10).

4. The multi-cavity injection mold for plastic Easter eggs of claim 3, wherein, The color egg round end forming part (13) comprises a color egg round end forming protrusion (16) arranged at the top of the second forming column (11), and the second forming column (11) is arranged alternately with the first forming column (10) and parallel to each other.

5. The multi-cavity injection mold for plastic Easter eggs of claim 4, wherein, The multi-form color egg forming cavity (7) comprises a plurality of pointed end forming cavity grooves (17) and round end forming cavity grooves (18) arranged in the upper mold (2), the pointed end forming cavity groove (17) corresponds to the position of the color egg pointed end forming protrusion (14) and is matched in shape, and the round end forming cavity groove (18) corresponds to the position of the color egg round end forming protrusion (16) and is matched in shape.

6. The multi-cavity injection mold for plastic Easter eggs of claim 5, wherein, The positioning part (5) comprises a plurality of positioning hole grooves (19) arranged in the positioning panel (4), and the first forming column (10) and the second forming column (11) penetrate through the positioning hole grooves (19) respectively.

7. The multi-cavity injection mold for plastic Easter eggs of claim 6, wherein, The bottoms of the first forming column (10) and the second forming column (11) abut against the supporting plate (8) respectively.

8. The multi-cavity injection mold for plastic Easter eggs of claim 7, wherein, The ejection part (9) comprises an ejection fixed plate (20) arranged below the supporting plate (8), the ejection fixed plate (20) is provided with a plurality of ejector pins (21), and the ejector pins (21) penetrate through the color egg pointed end forming protrusion (14) and the color egg round end forming protrusion (16).

9. The multi-cavity injection mold for plastic Easter eggs of claim 8, wherein, The bottom of the ejection fixed plate (20) is provided with a fixed base plate (22), the fixed base plate (22) is provided with two anti-deviation magnets (23), and the ejection fixed plate (20) is in sliding fit with the anti-deviation magnets (23).

10. The multi-cavity injection mold for plastic Easter eggs of claim 1, wherein, The injection molding part (3) comprises an injection molding main plate (24) and an injection molding hole (25) arranged above the plastic Easter egg forming upper mold (2).

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