CN205326150U

CN205326150U - Mould of preparation through -hole structure

Info

Publication number: CN205326150U
Application number: CN201620021667.4U
Authority: CN
Inventors: 柳兆龙
Original assignee: SHINCO ELECTRICAL APPLIANCES CO Ltd
Current assignee: Jiangsu Youao Electric Appliance Co Ltd
Priority date: 2016-01-11
Filing date: 2016-01-11
Publication date: 2016-06-22
Anticipated expiration: 2026-01-11

Abstract

The utility model provides a mould of preparation through -hole structure, includes the cover half, and with cover half matched with movable mould, be provided with the recess on the cover half, the blind hole has been seted up to the recess bottom, be provided with on the movable mould with the protruding axle of blind hole matched with. The utility model discloses a mould of preparation through -hole structure, an overlap that forms is moulded in the band -pass hole of preparation in through -hole inner wall smoothness, does not influence the cooperation of moulding a through -hole and uses, has improved the qualification rate of product.

Description

A kind of mould making through-hole structure

Technical field

The present invention relates to mould structure field, particularly to a kind of mould making through-hole structure。

Background technology

In molding process, due to the fluctuation of technique, injection moulding overflows into the gap locations such as mould spue line or stripper pin, forms overlap on die joint。Being illustrated in figure 1 traditional a kind of mould making through-hole structure, including cover half 4, the dynamic model 5 matched with cover half 4, plastic 6 moulding by casting is between cover half 4 and dynamic model 5, and cover half 5 is provided with protruding shaft 51, makes plastic 6 be formed with through hole 61 when molding。Gap location between protruding shaft 51 and cover half 4 is formed with overlap 62, overlap 62 in through hole 61 branch radially inward, affect plastic 6 with the use of。

Utility model content

In order to overcome the deficiencies in the prior art, the purpose of this utility model is in that to provide a kind of mould making through-hole structure, it is to avoid overlap can in openings branch radially inward。

For solving the problems referred to above, the technical scheme that this utility model adopts is as follows:

A kind of mould making through-hole structure, including cover half, and the dynamic model matched with described cover half, described cover half is provided with groove, described bottom portion of groove offers blind hole, and described dynamic model is provided with the protruding shaft matched with described blind hole。

Further, described depth of groove is L3, and described blind hole depth is L2, and described protruding shaft length is L1, and meets L1>L3, L1<L2+L3。

Compared to existing technology, the beneficial effects of the utility model are in that: a kind of mould making through-hole structure of the present utility model, by arranging the blind hole matched with protruding shaft on cover half so that the through-hole wall of the made plastic with through-hole structure is smooth, improves the qualification rate of product。

Accompanying drawing explanation

Fig. 1 illustrates the phantom of traditional a kind of mould making through-hole structure；

Fig. 2 illustrates the sectional view of a kind of mould making through-hole structure of this utility model；

Fig. 3 illustrate this utility model a kind of make through-hole structure mold work time sectional view；

Fig. 4 illustrates the partial enlarged drawing of A in Fig. 3；

Fig. 5 illustrates the structural representation of the mould making through-hole structure in embodiment two；

Wherein, 1 is cover half, and 11 is groove, and 12 is blind hole, and 13 is draw-in groove, and 2 is dynamic model, and 21 is protruding shaft, and 22 is protruding, and 3 is plastic, and 31 is through hole, and 32 is overlap, and 4 is cover half, and 5 is dynamic model, and 51 is protruding shaft, and 6 is plastic, and 61 is through hole, and 62 is overlap。

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail。

Embodiment one

As in figure 2 it is shown, a kind of mould making through-hole structure, it is used for making plastic 3, including cover half 1, and the dynamic model 2 matched with cover half 1。Cover half 1 is provided with groove 11, and is opened in the blind hole 12 bottom groove 11。Dynamic model 2 is provided with the protruding shaft 21 matched with blind hole 12。The width of protruding shaft 21 is identical with the width of blind hole 12。Groove 11 degree of depth is L3, and blind hole 12 degree of depth is L2, and protruding shaft 21 length is L1, wherein, and L1>L3, L1<L2+L3。

As shown in Figure 3-4, cover half 1 and dynamic model 2 being closed, plastic 3 moulding by casting is in groove 11。Plastic 3 is formed with through hole 31 when molding, and the gap location between protruding shaft 21 and blind hole 12 is formed with overlap 32, overlap 32 in through hole 31 opening's edge radially outward branch, do not affect plastic 3 and other accessories with the use of。

Embodiment two

As it is shown in figure 5, relative to embodiment one, in the present embodiment, cover half 1 offers draw-in groove 13 on the top of the sidewall of groove 11, dynamic model 2 is provided with, in corresponding position, the projection 22 matched with draw-in groove 13。After dynamic model 2 and cover half 1 are closed, by draw-in groove 13 and protruding 22 coordinate so that dynamic model 2 and cover half 1 are relatively fixed, it is prevented that relative movement occurs in casting process for dynamic model 2 and cover half 1。

The inner wall smooth with through hole plastic made by a kind of mould making through-hole structure of the present utility model, improves the qualification rate of product。

It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various corresponding changes and deformation, and all these change and deformation all should belong within this utility model scope of the claims。

Claims

1. the mould making through-hole structure, it is characterized in that: include cover half (1), and the dynamic model (2) matched with cover half (1), cover half (1) is provided with groove (11), groove (11) bottom offers blind hole (12), and dynamic model (2) is provided with the protruding shaft (21) matched with blind hole (12)。

2. a kind of mould making through-hole structure according to claim 1, it is characterised in that: groove (11) degree of depth is L3, and blind hole (12) degree of depth is L2, and protruding shaft (21) length is L1, and meets L1>L3, L1<L2+L3。