CN207206981U

CN207206981U - Injection mould

Info

Publication number: CN207206981U
Application number: CN201621424462.7U
Authority: CN
Inventors: 南基学; 李新春
Original assignee: DONGGUAN YEJIA ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: DONGGUAN YEJIA ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2018-04-10
Anticipated expiration: 2026-12-22

Abstract

The utility model discloses a kind of injection mould, including ejection system, rear pattern plate and the rear mold mold insert in rear pattern plate, also include backing plate, backing plate is fixedly installed on ejection system, rear mold mold insert is fixed on backing plate, rear pattern plate is provided with the control piece for being used for that control rear pattern plate to move away from backing plate in die sinking on backing plate, between rear pattern plate and backing plate.Such a injection mould is by setting up backing plate and rear pattern plate being changed into float plate form, product is set first to take out moulding depth muscle circle glue position before ejecting, reduce the package power that moulding is subject to, then ejection system is recycled to complete the ejection action of moulding, eject smooth, moulding stay in grade, it can ensure that moulding is fully separated with back die component.

Description

Injection mould

Technical field

Machining technology field is the utility model is related to, more particularly to a kind of injection mould.

Background technology

In modern mechanical transmission, necessary lubricating condition is provided for transmission mechanism frequently with force feed system, to ensure The normal operation of transmission mechanism.

Moulding stays in that rear mold glue position is too high and there is deep muscle border, and package power is big, in the process of reproduction, after ejection during product Product is easily deformed, damaged.

Therefore, how to ensure that moulding is fully separated with back die component, be that those skilled in the art need to solve at present Technical problem certainly.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of injection mould, can ensure moulding fully with rear mold Component is separated.

To achieve the above object, the utility model provides following technical scheme：

A kind of injection mould, including ejection system, rear pattern plate and the rear mold mold insert in the rear pattern plate, in addition to pad Plate, the backing plate are fixedly installed on the ejection system, and the rear mold mold insert is fixed on the backing plate, and the rear pattern plate is located at It is provided with the backing plate, between the rear pattern plate and the backing plate and is used to control the rear pattern plate away from the backing plate in die sinking Mobile control piece.

Preferably, the rear pattern plate is slided on guide rod, and the guide rod is mutually fixedly installed with the backing plate.

Preferably, the control piece is spring.

Preferably, the spring is at least two.

Preferably, the spring is two, and two springs are respectively arranged on the both sides of the rear mold mold insert.

Preferably, the spring is at least four, and the line of all springs forms circle.

Preferably, the control piece is permanent magnet assembly.

Preferably, the control piece controls the rear pattern plate to be at least the rear mold edge away from the distance that the backing plate moves Part stretches out the length of the rear pattern plate in matched moulds.

Injection mould provided by the utility model includes ejection system, rear pattern plate and the rear mold mold insert in rear pattern plate, also Including backing plate, backing plate is fixedly installed on ejection system, and rear mold mold insert is fixed on backing plate, and rear pattern plate is on backing plate, rear pattern plate The control piece for being used for that control rear pattern plate to move away from backing plate in die sinking is provided between backing plate.

When being molded matched moulds, front template presses rear pattern plate and moved towards backing plate direction, rear pattern plate is in contact with backing plate, this When control piece correspondingly change state of a control；When injection end is molded, front template is to the pressure releases of rear pattern plate, control piece Control rear pattern plate is directed away from the direction movement of backing plate, is arranged on moulding in rear pattern plate with rear pattern plate synchronizing moving, by It is fixed in rear mold mold insert on backing plate, rear mold mold insert can relatively move with moulding, and moulding can deviate from rear mold mold insert one Fixed distance, ejection system is then controlled to eject moulding again.

Such a injection mould makes product first take out note before ejecting by setting up backing plate and rear pattern plate being changed into float plate form Plastic depth muscle circle glue position, reduces the package power that moulding is subject to, and then recycles ejection system to complete the ejection of moulding and moves Make, eject smooth, moulding stay in grade, can ensure that moulding is fully separated with back die component.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing of offer.

Fig. 1 is provided the structural representation of the specific embodiment of injection mould by the utility model；

Fig. 2 is provided the partial structural diagram of the specific embodiment of injection mould by the utility model；

Fig. 3 is provided the sectional view of the specific embodiment of injection mould by the utility model.

Fig. 1 is into Fig. 3, and 1 is ejection system, and 101 be upper plate, and 102 be lower roof plate, and 2 be backing plate, and 3 be rear pattern plate, and 4 are Front template, 5 be guide rod, and 6 be panel, and 7 be water gap plate, and 8 be bottom plate, and 9 be rear mold mold insert, and 10 be rear cavity, and 11 be moulding, 12 be front cavity.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Core of the present utility model is to provide a kind of injection mould, can ensure that moulding fully mutually takes off with back die component From.

Fig. 1 to Fig. 3 is refer to, Fig. 1 is provided the structural representation of the specific embodiment of injection mould by the utility model；Figure 2 are provided the partial structural diagram of the specific embodiment of injection mould by the utility model；Fig. 3 provides note by the utility model The sectional view of the specific embodiment of mold.

The utility model is provided in a kind of specific embodiment of injection mould, including ejection system 1, rear pattern plate 3 and is located at Rear mold mold insert 9 in rear pattern plate 3, in addition to backing plate 2, backing plate 2 are fixedly installed on ejection system 1, and rear mold mold insert 9 is fixed on pad Plate 2, rear pattern plate 3 is provided with backing plate 2, between rear pattern plate 3 and backing plate 2 to be used to control rear pattern plate 3 away from backing plate 2 in die sinking Mobile control piece.

Generally, injection mould includes front template 4, guide rod 5, panel 6, water gap plate 7, bottom plate 8, rear mold mold insert 9, rear cavity 10th, the part such as front cavity 12, ejection system 1.Wherein, ejection system 1 generally includes upper plate 101 and lower roof plate 102, rear pattern plate 3 upside sets front template 4, and rear cavity 10 is set in rear pattern plate 3, front cavity 12, front cavity 12, rear mold are set in front template 4 Benevolence 10 and rear mold mold insert 9 form die cavity, and moulding 11 is placed in die cavity, and injection is realized to coordinate.

When being molded matched moulds, front template 4 presses rear pattern plate 3 and moved towards the direction of backing plate 2, rear pattern plate 3 is connected with backing plate 2 Touch, now control piece correspondingly changes state of a control；When injection end is molded, pressure solution of the front template 4 to rear pattern plate 3 Remove, control piece control rear pattern plate 3 is directed away from the direction movement of backing plate 2, is arranged on the moulding 11 in rear pattern plate 3 with rear mold The synchronizing moving of plate 3, because rear mold mold insert 9 is fixed on backing plate 2, rear mold mold insert 9 can relatively move with moulding 11, be molded Part 11 can deviate from a certain distance of rear mold mold insert 9, then control ejection system 1 to eject moulding 11 again.

Such a injection mould makes product first be taken out before ejecting by setting up backing plate 2 and rear pattern plate 3 being changed into float plate form The deep muscle circle glue position of moulding 11, reduce the package power that moulding 11 is subject to, then recycle ejection system 1 to complete moulding 11 Ejection action, ejection it is smooth, the stay in grade of moulding 11, can ensure that moulding 11 is fully separated with back die component.

In above-described embodiment, rear pattern plate 3 can be slided on guide rod 5, and guide rod 5 is fixedly installed with the phase of backing plate 2, So as to ensure stability that rear pattern plate 3 moves relative to backing plate 2.

Specifically, guide rod 5 can be at least two, to be further ensured that the Stable sliding of rear pattern plate 3.

Specifically, guide rod 5 can be cylinder, cuboid or other shapes.

In above-mentioned each embodiment, control piece is specifically as follows spring, by spring in matched moulds compression, molding When reseting movement realize movement of the rear pattern plate 3 relative to backing plate 2, it is convenient to set.

In above-mentioned each embodiment, spring can be at least two, to improve the reliability of control.

Specifically, spring can be two, and two springs are respectively arranged on the both sides of rear mold mold insert 9, and it is convenient to set.

Or spring can be at least four, the line of all springs can form circle, so as to ensure rear pattern plate 3 Translational speed and make the uniform stressed of rear pattern plate 3.

Furthermore spring can be that line footpath is more than spring of the rear mold mold insert 9 in the maximum length in spring line footpath direction, by one The spring is set in the outside of rear mold mold insert 9.Certainly, the set-up mode of spring is not limited to above-mentioned each embodiment.

In another specific embodiment, control piece can be permanent magnet assembly, i.e., corresponding with backing plate 2 in rear pattern plate 3 Permanent magnet is set, it is longer using control of the principle realization that identical charges repel each other to rear pattern plate 3, service life.

In above-mentioned each embodiment, control piece controls rear pattern plate 3 to be at least rear mold edge away from the distance that backing plate 2 moves Part 9 stretches out the length of rear pattern plate 3 in matched moulds, so that under the control action of control piece, after moulding 11 can completely disengage Mould mold insert 9.Wherein, the control ability of control piece can be by the elastic force of spring selection, permanent magnetism ferromagnetism size Selection and the selection of relevant parameter of other forms control pieces realize.

Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

Injection mould provided by the utility model is described in detail above.Specific case used herein is to this The principle and embodiment of utility model are set forth, and the explanation of above example is only intended to help and understands the utility model Method and its core concept.It should be pointed out that for those skilled in the art, it is new not departing from this practicality On the premise of type principle, some improvement and modification can also be carried out to the utility model, these are improved and modification also falls into this reality With in new scope of the claims.

Claims

1. a kind of injection mould, including ejection system (1), rear pattern plate (3) and the rear mold mold insert (9) in the rear pattern plate (3), Characterized in that, also including backing plate (2), the backing plate (2) is fixedly installed on the ejection system (1), the rear mold mold insert (9) backing plate (2) is fixed on, the rear pattern plate (3) is on the backing plate (2), the rear pattern plate (3) and the backing plate (2) it is provided between and is used to control the rear pattern plate (3) in die sinking away from the mobile control piece of the backing plate (2)；

The control piece is permanent magnet assembly；

The control piece controls the rear pattern plate (3) to be at least the rear mold mold insert (9) away from the mobile distance of the backing plate (2) The length of the rear pattern plate (3) is stretched out in matched moulds.