CN217573862U

CN217573862U - Automobile protecting cover die

Info

Publication number: CN217573862U
Application number: CN202221218333.8U
Authority: CN
Inventors: 林少勇; 侯志伟; 谢壁鑫; 陈恩传; 徐水发; 佘灿彬; 侯志雄
Original assignee: Shantou Ruixiang Mould Co ltd
Current assignee: Shantou Ruixiang Mould Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-10-14
Anticipated expiration: 2032-05-21

Abstract

The utility model discloses a car protecting cover mould, including front mould and back mould, front mould and back mould are equipped with the die cavity respectively to the die cavity of front mould and the die cavity shape phase-match of back mould, its characterized in that: the exhaust insert is provided with a plurality of air holes which are communicated from front to back and are densely arranged. The automobile cover protecting mold can timely discharge air in a cavity during injection molding, injection molding cannot be affected, and the quality of products after injection molding is guaranteed.

Description

Automobile protecting cover die

Technical Field

The utility model relates to a mould, in particular to car protecting cover mould.

Background

When the automobile protecting cover is formed by injection molding, the automobile protecting cover is easily interfered by gas in the mold filling process. Generally, because the shape of an automobile protecting cover mold is complex and the requirement for injection molding is high, gaps are easy to be overlarge when the conventional exhaust channels, inserts or thimbles are arranged for exhaust, raw materials flow into the gaps during injection molding, so that laces and burrs are formed on an injection-molded product, and waste products are generated; the hole positions with the hole diameters meeting the requirements are arranged, so that the processing difficulty is high; and the air holes are not arranged, so that the defects of silver wire stripes and micro bubbles on the surface of a finished product or bubbles formed in the thick wall of the finished product and the like can be caused after injection molding, the quality of the finished product is poor, and the requirements are difficult to meet.

Disclosure of Invention

The utility model aims to solve the technical problem that a car protecting cover mould is provided, this kind of car protecting cover mould can in time discharge the air in the die cavity when moulding plastics to can not influence moulding plastics, guarantee the product quality after moulding plastics.

In order to solve the technical problems, the technical scheme is as follows:

the utility model provides an automobile protecting cover mould, includes front mould and back mould, and front mould and back mould are equipped with the die cavity respectively to the die cavity of front mould and the die cavity shape phase-match of back mould, its characterized in that: the exhaust insert is provided with a plurality of air holes which are communicated from front to back and are densely arranged.

In the automobile protecting cover mold, the exhaust inserts with different air hole diameters can be selected according to the injection molding requirement; the air holes can be arranged on the exhaust insert firstly, then the exhaust insert is arranged on the mold, air hole positions do not need to be directly arranged on the mold, the processing requirement on the mold is low, when the mold is used for injection molding, the aperture of the air holes can meet the injection molding requirement, the situation that moisture is discharged due to too large aperture or air cannot be discharged due to too small aperture can not occur, the air holes which are densely arranged can also ensure that air is sufficiently discharged, air accumulation can not occur, and the product quality after injection molding can be ensured.

In a preferable scheme, the pore diameter of each air-permeable hole is 5-10 μm.

In a preferred embodiment, each exhaust insert includes a plurality of first grid layers and a plurality of second grid layers, and the first grid layers and the second grid layers are sequentially stacked in a crossed manner from front to back.

In a further preferred scheme, the first grid layer and the second grid layer respectively comprise a plurality of metal strips which are arranged in parallel, the metal strips of the adjacent first grid layer and the metal strips of the second grid layer are arranged in a cross mode, the metal strips of the first grid layer are in one-to-one correspondence from front to back, and the metal strips of the second grid layer are in one-to-one correspondence from front to back. After the first grid layer and the second grid layer are sequentially stacked, a plurality of hole sites are formed between the metal strips of each layer, and the hole sites corresponding to the positions can form strip-shaped air holes along with continuous stacking of the first grid layer and the second grid layer. The exhaust insert is formed in such a way, a plurality of air holes which are densely arranged can be smoothly formed, and the aperture of each air hole can be adjusted according to the requirement.

In a further preferred embodiment, the metal strips of the first grid layer and the second grid layer which are adjacent to each other are arranged crosswise and perpendicular to each other. The hole site that adopts this kind of structure to form is square hole.

In a further preferred embodiment, the first grid layer and the second grid layer each further include a frame, and both ends of each metal strip are connected to the inner side of the corresponding frame. The exhaust insert can be manufactured in a laser material increase mode, and the frames of all grid layers jointly form the flat outer side wall of the exhaust insert.

The beneficial effects of the utility model reside in that: the automobile cover protecting mold can timely discharge air in a cavity during injection molding, injection molding cannot be affected, and the quality of products after injection molding is guaranteed.

Drawings

FIG. 1 is a schematic structural view of a mold for protecting cover of an automobile in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a front mold in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an exhaust insert in embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of the first grid layer and the second grid layer stacked in embodiment 1 of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

example 1

As shown in fig. 1-4, an automobile protecting cover mold comprises a front mold 1, a rear mold 2 and a plurality of exhaust inserts 3, wherein the front mold 1 and the rear mold 2 are respectively provided with a cavity, the cavity of the front mold 1 is matched with the cavity of the rear mold 2 in shape, a plurality of insert holes are arranged in the cavity of the front mold 1, the exhaust inserts 3 are in the same number and are in one-to-one correspondence with the insert holes, each exhaust insert 3 is respectively arranged in the corresponding insert hole, a plurality of vent holes 4 which are through from front to back are arranged on the exhaust insert 3, and the vent holes 4 are densely arranged.

In the automobile protecting cover mold, the exhaust insert 3 with different diameters of the air holes 4 can be selected according to the injection molding requirement; the air holes 4 can be arranged on the exhaust insert 3 firstly, then the exhaust insert 3 is arranged on the mold, the position of the air holes 4 does not need to be directly arranged on the mold, the processing requirement on the mold is low, when the mold is used for injection molding, the aperture of the air holes 4 can meet the injection molding requirement, the situation that water is discharged due to too large aperture or air cannot be discharged due to too small aperture can not occur, the air holes 4 which are densely arranged can also ensure that air is sufficiently discharged, air accumulation can not occur, and the product quality after injection molding can be ensured.

Each exhaust insert 3 comprises a plurality of first grid layers 301 and a plurality of second grid layers 302, and the first grid layers 301 and the second grid layers 302 are sequentially and alternately stacked from front to back; the first grid layer 301 and the second grid layer 302 both comprise a frame 3121 and a plurality of metal strips 3122 arranged in parallel, and both ends of each metal strip 3122 are respectively connected with the inner side of the corresponding frame 3121; the metal strips 3122 of the first grid layer 301 and the second grid layer 302 that are adjacent to each other are arranged in a crossing manner and are perpendicular to each other, the metal strips 3122 of each first grid layer 301 are in one-to-one correspondence from the front to the rear, and the metal strips 3122 of each second grid layer 302 are in one-to-one correspondence from the front to the rear. After the first grid layer 301 and the second grid layer 302 are sequentially stacked, a plurality of hole sites are formed between the metal strips 3122 of each layer, and as the first grid layer 301 and the second grid layer 302 are continuously stacked, the hole sites corresponding to each position form the strip-shaped air holes 4. The exhaust insert 3 is formed in this way, a plurality of air holes 4 which are densely arranged can be smoothly formed, and the aperture of the air holes 4 can be adjusted as required. The insert is made in a laser material increase mode, and the frames 3121 of the grid layers jointly form the flat outer side wall of the insert.

The aperture of 4 positions of each air hole is 10 μm.

Example 2

This example differs from example 1 in that: the aperture of each air hole is 5 μm.

Claims

1. The utility model provides an automobile protecting cover mould, includes front mould and back mould, and front mould and back mould are equipped with the die cavity respectively to the die cavity of front mould and the die cavity shape phase-match of back mould, its characterized in that: the exhaust insert is provided with a plurality of air holes which are communicated from front to back and are densely arranged.

2. A protective cover mold for an automobile as claimed in claim 1, wherein: the aperture of each air-permeable hole is 5-10 μm.

3. A protective cover mold for an automobile as claimed in claim 1, wherein: each exhaust insert comprises a plurality of first grid layers and a plurality of second grid layers, and the first grid layers and the second grid layers are sequentially and crossly stacked from front to back.

4. A protective cover mold for an automobile as claimed in claim 3, wherein: the first grid layer and the second grid layer respectively comprise a plurality of metal strips arranged in parallel, the metal strips of the adjacent first grid layer and the metal strips of the adjacent second grid layer are arranged in a cross mode, the metal strips of the first grid layer correspond to the metal strips of the second grid layer from front to back in a one-to-one mode, and the metal strips of the second grid layer correspond to the metal strips of the second grid layer from front to back in a one-to-one mode.

5. A mold for molding an automotive protective cover as claimed in claim 4, wherein: and the metal strips of the first grid layer and the second grid layer which are adjacent are crossed and are perpendicular to each other.

6. A mold for molding an automotive protective cover as claimed in claim 4, wherein: the first grid layer and the second grid layer both comprise frames, and two ends of each metal strip are connected with the inner side faces of the corresponding frames respectively.