CN210161531U

CN210161531U - Injection mould

Info

Publication number: CN210161531U
Application number: CN201920547564.5U
Authority: CN
Inventors: 王素萍; 单长忠
Original assignee: Xuzhou Zhongzhou New Material Technology Co Ltd
Current assignee: Xuzhou Zhongzhou New Material Technology Co Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-03-20
Anticipated expiration: 2029-04-22

Abstract

The utility model discloses an injection mold, include: a die cavity, the interior of which defines a movable cavity; the lower die is telescopically arranged in the movable cavity, a first die cavity is defined at a position close to the upper end surface of the lower die, and a jacking device is arranged between the lower die and the die cavity; the upper die is arranged opposite to the lower die, a second die cavity is defined near the lower end surface of the upper die, and the first die cavity is suitable for being matched with the second die cavity to define a die cavity; and when the injection mold is formed in the mold cavity, the upper mold and the lower mold are separated from each other, and the injection mold is jacked by the jacking device to be separated from the mold cavity. The injection mold is convenient to draw, good in drawing effect and capable of greatly improving injection molding efficiency.

Description

Injection mould

Technical Field

The utility model relates to a mould equipment field especially relates to an injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Among the prior art, injection mold carries out the drawing through artificial mode after forming the injection model, and the drawing mode is inconvenient like this, and the effect is not good, greatly reduced injection molding efficiency.

Disclosure of Invention

The utility model discloses aim at solving one of the problem that above-mentioned prior art exists at least, provide an injection mold, this injection mold drawing is convenient, and the drawing is effectual, improves the efficiency of moulding plastics greatly.

In order to achieve the above object, the utility model provides an injection mold, include: a die cavity, the interior of which defines a movable cavity; the lower die is telescopically arranged in the movable cavity, a first die cavity is defined at a position close to the upper end surface of the lower die, and a jacking device is arranged between the lower die and the die cavity; the upper die is arranged opposite to the lower die, a second die cavity is defined near the lower end surface of the upper die, and the first die cavity is suitable for being matched with the second die cavity to define a die cavity; and when the injection mold is formed in the mold cavity, the upper mold and the lower mold are separated from each other, and the injection mold is jacked by the jacking device to be separated from the mold cavity.

In this technical scheme, laminate each other earlier and form the die cavity with the bed die, inject the injection moulding liquid under the high temperature molten state into the die cavity by the passageway of moulding plastics to the liquid of moulding plastics is full of whole die cavity, treats that the liquid of moulding plastics cools off to the uniform temperature, makes bed die and bed die separate each other, then uses jacking device to make it separate with the bed die with the injection mould jacking that is located first die cavity, and this injection mould liftout is convenient, and the pattern stripping is effectual, improves the efficiency of moulding plastics greatly.

In addition, according to the utility model discloses an injection mold can also have following technical characteristic:

further, the jacking device includes: the first mold column is telescopically arranged on the lower mold, and one end of the first mold column abuts against the lower end surface of the injection mold; when the upper die and the lower die are mutually attached to form an injection molding model, the first die column and the second die column are mutually abutted; when the upper die and the lower die are separated from each other, the injection die is lifted by the first die column to be separated from the first die cavity.

And the second mold column is telescopically arranged on the upper mold, and one end of the second mold column abuts against the upper end surface of the injection mold and is opposite to the first mold column.

Preferably, the method further comprises the following steps: the first spring is connected to the first die column and positioned between the lower die and the movable cavity, so that the lower die has a tendency of moving upwards; a second spring adapted to be connected to the second mold pillar such that the second mold pillar has a tendency to move downward.

Preferably, the lower die further comprises a first piston plate arranged at the lower end of the lower die, the first die column is fixedly connected with the first piston plate, one end of the first spring abuts against the lower die, and the other end of the first spring abuts against the first piston plate.

Preferably, the lower end of the first piston plate is also fixedly connected with a jacking column, and the jacking column penetrates through and extends to the outer side of the movable cavity.

Further, the mould also comprises a second piston plate which is telescopically arranged in the inner cavity of the upper mould and is fixedly connected with the second mould column.

Preferably, the second spring is connected between the second piston plate and the lower end surface of the inner cavity and gives the second piston plate a tendency to move downward.

Preferably, the second spring is connected between the second piston plate and the upper end surface of the inner cavity and gives the second piston plate a tendency to move downward.

Preferably, the first mold pillar is a plurality of and is arranged at intervals around the central axis of the lower mold.

According to the utility model discloses an injection mold, its additional technical feature still has following technological effect: the first piston plate can be conveniently lifted up and down through the jacking column; through setting up a plurality of first mode posts, and center on the axis circumference interval of bed die sets up, can make injection model atress more even like this, and the drawing of patterns effect is better.

Drawings

Fig. 1 is a schematic structural view of an injection mold.

In the figure, an injection mold 100; a mold cavity 10; a movable chamber 101; a lower mold 20; a first mold cavity 201; an upper mold 30; a second mold cavity 301; an injection molding channel 302; an inner cavity 303; a guide hole 304; a first mold pillar 40; a first spring 401; a second mold pillar 50; a first piston plate 60; a jack-up post 70; a second piston plate 80; a second spring 801; a guide post 802.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

According to the utility model discloses an injection mold 100, as shown in fig. 1, include: a cavity 10, a lower mold 20, and an upper mold 30.

A die cavity 10, the interior of which defines a movable cavity 101;

the lower die 20 is telescopically arranged in the movable cavity 101, a first die cavity 201 is defined near the upper end surface of the lower die, and a jacking device is arranged between the lower die 20 and the die cavity 10;

the upper die 30 is arranged opposite to the lower die 20 and is used for defining a second die cavity 301 close to the lower end surface of the lower die, and the first die cavity 201 is suitable for being matched with the second die cavity 301 to define a die cavity;

the upper mold 30 or the lower mold 20 is provided with an injection molding channel 302 communicated with the mold cavity, when an injection molding mold is formed in the mold cavity, the upper mold 30 and the lower mold 20 are separated from each other, and the injection mold is jacked by the jacking device to be separated from the mold cavity.

It can be understood that, laminate each other earlier and form the die cavity with last mould 30 and bed die 20, inject the liquid of moulding plastics under the high temperature molten state into the die cavity by moulding plastics passageway 302 to the liquid of moulding plastics is full of whole die cavity, treat that the liquid of moulding plastics cools to the uniform temperature, make and go up mould 30 and bed die 20 and separate each other, then use jacking device to make it separate with bed die 20 with the injection mould jacking that is located first die cavity 201, this injection mold 100 drawing is convenient, the drawing is effectual, improve the efficiency of moulding plastics greatly.

It should be noted that when the upper mold 30 and the lower mold 20 are separated from each other, the temperature of the injection liquid is lowered to enable the injection liquid to form a specific structure in the mold cavity without being unable to be molded due to the separation of the upper mold 30.

The upper mold 30 is connected to a lifting device for lifting and lowering the upper mold 30, for example, the lifting device may be a crane.

Further, the jacking device includes: a first mold pillar 40 telescopically disposed on the lower mold 20 and having one end abutting on a lower end surface of the injection mold; when the upper mold 30 and the lower mold 20 are separated from each other, the injection mold 100 is lifted by the first mold pillar 40 to be separated from the first mold cavity 201, that is, the lower mold 20 is provided with a first connection hole communicated with the first mold cavity 201, the first mold pillar 40 is disposed in the first connection hole, and an injection mold formed in the first mold cavity 201 can be separated from the first connection hole by the first mold pillar 40, that is, the mold is removed, it is worth mentioning that, in the injection molding process, the first connection hole is sealed by the first mold pillar 40, and the injection molding liquid cannot flow into the first connection hole.

Further, a second mold pillar 50 is provided, which is telescopically disposed on the upper mold 30, and one end of the second mold pillar abuts against the upper end surface of the injection mold and is opposite to the first mold pillar 40, specifically, the second mold pillar 50 is provided to offset the upward lifting force generated by the first mold.

Preferably, the method further comprises the following steps: a first spring 401 connected to the first mold pillar 40 and located between the lower mold 20 and the movable cavity 101, which makes the lower mold 20 have a tendency to move upward; a second spring 801 adapted to be connected with the second mold pillar 50 such that the second mold pillar 50 has a tendency to move downward; specifically, the first spring 401 is sleeved on the first mold pillar 40 and exerts an upward jacking acting force on the lower mold 20, so that the first mold pillar 40 cannot be jacked into the mold cavity, and the injection mold 100 is deformed, thereby affecting the integrity of the injection mold 100; the second spring 801 is also provided to prevent the second mold pillar 50 from pressing into the mold cavity, and the function is the same as that of the first spring 401, which is not described herein again.

Preferably, the mold further comprises a first piston plate 60 disposed at the lower end of the lower mold 20, the first mold pillar 40 is fixedly connected to the first piston plate 60, one end of the first spring 401 abuts against the lower mold 20, and the other end abuts against the first piston plate 60. Preferably, a jacking column 70 is fixedly connected to the lower end of the first piston plate 60, and penetrates through and extends to the outer side of the movable cavity 101; that is to say, can conveniently be to the operation of going on the oscilaltion of first piston plate 60 through jacking post 70, when needs drawing of patterns, jacking post 70 makes its upward movement, and first post 40 jacking is to the die cavity in for injection model and first die cavity 201 phase separation, preferably, first post 40 is a plurality of, and centers on the axis circumference interval setting of bed die 20 can make the injection model atress more even like this, and the drawing of patterns effect is better. The lifting column 70 may be connected to a hydraulic cylinder to facilitate lifting of the lifting column 70.

Further, a second piston plate 80 is telescopically arranged in the inner cavity 303 of the upper die 30 and is fixedly connected with the second die column 50; specifically, a guide post 802 is disposed on the second piston plate 80, a guide hole 304 communicated with the inner cavity 303 is disposed on the upper mold 30, and the guide post 802 is matched with the guide hole 304, in an example of the present invention, the second spring 801 is connected between the second piston plate 80 and the upper end surface of the inner cavity 303, and the second piston plate 80 has a downward movement tendency, that is, the second spring 801 is a compression spring and is sleeved on the guide post 802; in another example of the present invention, the second spring 801 is connected between the second piston plate 80 and the lower end surface of the inner cavity 303, and makes the second piston plate 80 have a tendency to move downward, i.e. the second spring 801 is an extension spring, and is sleeved on the second mold pillar 50.

The working principle of the utility model is as follows: the upper die 30 and the lower die 20 are attached to each other by utilizing the lifting device to form a die cavity, injection liquid in a high-temperature melting state is injected into the die cavity through the injection channel 302, so that the whole die cavity is filled with the injection liquid, when the injection liquid is cooled to a certain temperature, the upper die 30 and the lower die 20 are separated from each other by utilizing the lifting device, then the first piston plate 60 is lifted by utilizing the lifting column 70, the first die column 40 is lifted by utilizing the first piston plate 60, and the injection model in the first die cavity 201 is lifted to be separated from the lower die 20.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.

While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. An injection mold, comprising:

a die cavity (10) defining a movable cavity (101) therein;

the lower die (20) is telescopically arranged in the movable cavity (101), a first die cavity (201) is defined near the upper end surface of the lower die, and a jacking device is arranged between the lower die (20) and the die cavity (10);

the upper die (30) is arranged opposite to the lower die (20) and is used for limiting a second die cavity (301) close to the lower end surface of the lower die, and the first die cavity (201) is suitable for being matched with the second die cavity (301) to limit a die cavity;

and the upper mold (30) or the lower mold (20) is provided with an injection molding channel (302) communicated with the mold cavity, when an injection molding model is formed in the mold cavity, the upper mold (30) and the lower mold (20) are separated from each other, and the injection mold is jacked by the jacking device to be separated from the mold cavity.

2. The injection mold of claim 1, wherein the jacking device comprises:

a first mold pillar (40) which is telescopically arranged on the lower mold (20) and one end of which abuts against the lower end surface of the injection mold;

wherein when the upper mold (30) and the lower mold (20) are separated from each other, the injection mold is lifted by the first mold pillar (40) to be separated from the first mold cavity (201).

3. An injection mould according to claim 2, further comprising a second mold pillar (50) telescopically arranged on the upper mold (30) and having one end abutting against the upper end surface of the injection mold at a position opposite to the first mold pillar (40).

4. An injection mold according to claim 3, further comprising:

a first spring (401) connected to the first mold pillar (40) and located between the lower mold (20) and the movable cavity (101) to impart an upward movement tendency to the lower mold (20);

a second spring (801) adapted to be connected with the second mold pillar (50) such that the second mold pillar (50) has a tendency to move downward.

5. An injection mould according to claim 4, further comprising a first piston plate (60) provided at the lower end of the lower mould (20), to which the first mould pillar (40) is fixedly connected, the first spring (401) abutting at one end against the lower mould (20) and at the other end against the first piston plate (60).

6. An injection mould according to claim 5, characterised in that a jacking leg (70) is also fixedly connected to the lower end of the first piston plate (60) and extends through and outside the movable chamber (101).

7. An injection mould according to claim 4, further comprising a second piston plate (80) telescopically arranged in the cavity (303) of the upper mould (30) and fixedly connected to the second mould column (50).

8. An injection mould according to claim 7, characterised in that the second spring (801) is connected between the second piston plate (80) and the lower end surface of the cavity (303) and gives the second piston plate (80) a tendency to move downwards.

9. An injection mould according to claim 7, characterised in that the second spring (801) is connected between the second piston plate (80) and the upper end face of the cavity (303) and gives the second piston plate (80) a tendency to move downwards.

10. An injection mould according to claim 2, characterized in that the first mould pillar (40) is plural and arranged circumferentially spaced around the central axis of the lower mould tool (20).