CN210501173U

CN210501173U - Mold for preparing hollow irregular injection molding product and product thereof

Info

Publication number: CN210501173U
Application number: CN201921104944.8U
Authority: CN
Inventors: 陈向阳
Original assignee: Shenzhen Meigongyuan Plastic Mould Co Ltd
Current assignee: Shenzhen Meigongyuan Plastic Mould Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-05-12
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to the field of molds, in particular to a mold for preparing hollow irregular injection products and a product thereof, wherein the mold comprises a rotating platform, a lower mold eccentrically arranged on the rotating platform and an upper mold arranged in a lifting way, the upper mold at least comprises an inner layer injection upper mold, a middle layer injection upper mold and a wrapping injection upper mold, and the three upper molds are fixed in parallel at intervals along the circumferential direction of the rotation of the rotating platform, the lower mold is provided with a first lower half cavity and a second lower half cavity; through the arrangement of the rotary table, the rotary lower die and the liftable upper die, a hollow irregular injection product can be obtained, and the problems of complex die structure and difficulty in machining can be solved; and the materials can be flexibly combined to meet the performance requirements of the composite product, the preparation is convenient, and the production efficiency is high.

Description

Mold for preparing hollow irregular injection molding product and product thereof

Technical Field

The utility model relates to a mould field, concretely relates to a mould and product for preparing irregular injection moulding product of cavity.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification; in the partial injection molding product in the prior art, the shape of the plastic product is irregular, the interior of the plastic product is hollow, the shape is irregular, and the material of the hollow part and the material of the whole outside can be different according to the existing injection molding conditions; the existing die structure cannot be produced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing a mould and product for preparing cavity irregular injection moulding product, can obtain cavity irregular injection moulding product to the material can make up in a flexible way and produce the property demand with compound product, and it is convenient to prepare, and production efficiency is high.

The utility model discloses a mould for preparing irregular injection moulding product of cavity, including revolving stage, eccentric lower mould that sets up on the revolving stage and the upper die that sets up with the liftable mode, the upper die includes at least that inlayer moulds plastics the upper die, middle level moulds plastics the upper die and wraps up moulds plastics and three upper dies are fixed along the circumferencial direction of revolving stage rotation side by side at intervals, the lower mould is provided with first half die cavity and second half die cavity;

the inner-layer injection upper die is provided with a first inner-layer upper half cavity matched with the first lower half cavity to form an upper half shell of the inner layer of the product for one-time injection preparation and a second inner-layer lower half cavity matched with the second lower half cavity to form a lower half shell of the inner layer of the product for one-time injection preparation;

the middle-layer injection upper die is provided with a first middle-layer upper half cavity matched with the first lower half cavity to form a middle-layer upper half shell for preparing a product by secondary injection molding and a second middle-layer lower half cavity matched with the second lower half cavity to form a middle-layer lower half shell for preparing a product by secondary injection molding;

the wrapping injection molding upper die is provided with a first wrapping upper half cavity which is matched with the first lower half cavity to form an upper half cavity and a lower half cavity for secondary injection molding to prepare a wrapping product, and a second wrapping upper half cavity which is matched with the second lower half cavity to form an upper half cavity and a lower half cavity for secondary injection molding to prepare a wrapping product.

Further, the lower mould is a plurality of and a plurality of lower moulds distribute along revolving stage direction of rotation.

Furthermore, the six lower dies are uniformly distributed along the rotating direction of the rotating table.

Furthermore, the lower die and the upper die are both provided with cooling water channels which are of a convex structure with an open top.

The utility model also discloses an irregular injection moulding product of cavity through above-mentioned mould preparation, include the last casing of constituteing by inlayer upper half shell and middle level upper half shell and the lower casing of constituteing by inlayer lower half shell and middle level lower half shell, go up casing and casing butt joint down and form the cavity casing, still including the parcel layer that is used for wrapping up the cavity casing.

Further, the inner layer upper half shell and the inner layer lower half shell are made of polycarbonate materials.

Further, the middle layer upper half shell and the middle layer lower half shell are prepared by mixing ABS resin and polycarbonate materials.

Further, the wrapping layer is prepared from transparent ABS resin.

The utility model has the advantages that: the utility model discloses a mould for preparing irregular injection moulding product of cavity and product thereof, through the setting including revolving stage, rotatory lower mould and liftable go up the mould, can obtain the irregular injection moulding product of cavity, can solve complicated mould structure and machining's the degree of difficulty to the material can make up in a flexible way and can produce the property demand with compound product, and it is convenient to prepare, and production efficiency is high.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural view of a mold according to the present invention;

fig. 2 is a schematic structural diagram of the product of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of a mold in the present invention, fig. 2 is a schematic structural view of a product in the present invention, as shown in the figure, a mold for preparing a hollow irregular injection molding product in the present embodiment includes a rotating table 1, a lower mold eccentrically disposed on the rotating table, and an upper mold arranged in a liftable manner, the upper mold is provided with a material injection device 5 communicated with a cavity and a lifting mechanism for controlling the lifting of the upper mold, which both belong to the prior art, and are not described herein again; the upper dies at least comprise an inner-layer injection upper die 2, a middle-layer injection upper die 3 and a wrapping injection upper die 4, the three upper dies are fixed in parallel at intervals along the circumferential direction of the rotation of the rotating table, and the lower die is provided with a first lower half cavity and a second lower half cavity;

the wrapping injection molding upper die is provided with a first wrapping upper half cavity which is matched with the first lower half cavity to form an upper half cavity and a lower half cavity for secondary injection molding to prepare a wrapping product, and a second wrapping upper half cavity which is matched with the second lower half cavity to form an upper half cavity and a lower half cavity for secondary injection molding to prepare a wrapping product. The lower mould is a plurality of and a plurality of lower moulds distribute along revolving stage direction of rotation. The six lower dies are uniformly distributed along the rotating direction of the rotating table; the lower die and the upper die are both provided with cooling water channels which are of a convex structure with an open top.

The utility model also discloses an irregular injection moulding product of cavity through above-mentioned mould preparation, include the last casing of compriseing inlayer upper shell 6 and middle level upper shell 7 and the lower casing of compriseing inlayer lower half 8 and middle level lower half 9, go up the casing and form the cavity casing with lower casing butt joint, still including the parcel layer 10 that is used for wrapping up the cavity casing. The inner layer upper half shell and the inner layer lower half shell are made of polycarbonate materials. The middle-layer upper half shell and the middle-layer lower half shell are prepared by mixing ABS resin and polycarbonate materials. The wrapping layer is prepared from transparent ABS resin.

The preparation process comprises the following steps: firstly, vertically aligning the lower die and the inner injection upper die, controlling the inner injection upper die to descend to combine the lower die and the inner injection upper die, forming an inner lower half shell and an inner lower half shell by injection molding, raising the inner injection upper die, rotating the rotary table to vertically align the lower die and the middle injection upper die, controlling the middle injection upper die to descend to combine the lower die and the middle injection upper die, forming an upper half shell and a lower half shell which are formed by the middle upper half shell and the middle lower half shell by secondary injection molding, manually or mechanically taking out the upper half shell and the lower half shell and aligning and buckling to form a hollow shell, putting the hollow shell into the lower die, wrapping the joint of the upper half shell and the lower half shell and the top of the hollow shell after wrapping the injection upper die.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A mould for preparing cavity irregular injection moulding product which characterized in that: the upper die at least comprises an inner-layer injection upper die, a middle-layer injection upper die and an upper die wrapping the injection upper dies, the three upper dies are fixed in parallel at intervals along the rotating circumferential direction of the rotating table, and the lower die is provided with a first lower half cavity and a second lower half cavity;

2. A mold for producing a hollow irregular injection-molded product according to claim 1, characterized in that: the lower mould is a plurality of and a plurality of lower moulds distribute along revolving stage direction of rotation.

3. A mold for producing a hollow irregular injection-molded product according to claim 2, characterized in that: six lower moulds are uniformly distributed along the rotating direction of the rotating platform.

4. A mold for producing a hollow irregular injection-molded product according to claim 3, characterized in that: the lower die and the upper die are both provided with cooling water channels which are of a convex structure with an open top.

5. A hollow irregular injection-molded product produced by the mold according to any one of claims 1 to 4, characterized in that: including the last casing of constituteing by half shell on the inlayer and half shell on the middle level and the lower casing of constituteing by half shell under the inlayer and half shell under the middle level, go up casing and lower casing butt joint and form the cavity casing, still including the parcel layer that is used for wrapping up the cavity casing.

6. A hollow irregular injection-molded product according to claim 5, wherein: the inner layer upper half shell and the inner layer lower half shell are made of polycarbonate materials.

7. A hollow irregular injection-molded product according to claim 5, wherein: the middle-layer upper half shell and the middle-layer lower half shell are prepared by mixing ABS resin and polycarbonate materials.

8. A hollow irregular injection-molded product according to claim 5, wherein: the wrapping layer is prepared from transparent ABS resin.