CN213972362U

CN213972362U - Injection mold easy to open and eject

Info

Publication number: CN213972362U
Application number: CN202022170492.2U
Authority: CN
Inventors: 徐文斌
Original assignee: Changzhou Benzhou Machinery Co ltd
Current assignee: Changzhou Benzhou Machinery Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-17
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses an injection mold easy to open and eject, comprising a bottom plate, a lower mold, an upper mold and a top plate, wherein the lower mold is fixedly connected on the bottom plate, the upper mold is positioned on the lower mold, the top plate is fixedly connected at the top end of the upper mold, a first ejection structure is arranged inside the upper mold, and a second ejection structure is arranged in the lower mold; the utility model relates to an injection mold technical field, the present case designs inner structure simple, can be in last mould lower mould separation through the first ejecting structure and the ejecting structure of second that are equipped with, directly carry out ejecting processing of drawing of patterns to injection moulding thing to great acceleration injection moulding thing takes for efficiency, make drawing of patterns convenience more, and can cool off through being equipped with the cold water pipe in the lower mould inside for drawing of patterns speed.

Description

Injection mold easy to open and eject

Technical Field

The utility model relates to an injection mold technical field specifically is an easy ejecting injection mold of die sinking.

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. The injection mold is characterized in that plastic melted by heating is injected into a mold cavity at high pressure through an injection molding machine, a formed product is obtained after cooling and solidification, the product needs to be taken out manually after the existing injection mold is processed, but the product is very inconvenient to take out due to the close fit between the product and the mold, the demolding speed is influenced, and the injection mold is inconvenient for people to use, so that the injection mold easy to open and eject is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an easy ejecting injection mold of die sinking has solved current weak point, and current injection mold needs the manual work to take out the goods after processing, nevertheless because the inseparable laminating of goods and mould leads to taking out inconvenience very of goods, has influenced drawing of patterns speed, the people's of being not convenient for use.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an injection mold easy to open and eject comprises a bottom plate, a lower mold, an upper mold and a top plate, wherein the lower mold is fixedly connected to the bottom plate, the upper mold is positioned on the lower mold, the top plate is fixedly connected to the top end of the upper mold, a first ejection structure is arranged inside the upper mold, and a second ejection structure is arranged inside the lower mold;

the first ejection structure includes: the first spring, the first push plate, the pair of first push rods and the upper ejector rod;

first spring fixed connection is at last mould inner chamber top inner wall, first push pedal fixed connection is in first spring below, and is a pair of first push rod is fixed connection respectively in the first push pedal below left and right sides, and is a pair of first push rod runs through the mould inner wall respectively, go up ejector pin fixed connection in first push pedal below intermediate position, go up the ejector pin and run through the mould inner wall and with last mould cavity intercommunication.

Preferably, the second ejection structure includes: the second spring, the second push plate, the pair of second push rods and the lower ejector rod;

the second spring is fixedly connected to the inner wall below the lower die inner cavity, the second push rods are fixedly connected to the upper portion of the second spring, the second push rods are fixedly connected to the left side and the right side of the upper portion of the second push plate respectively and are connected to the left side and the right side of the upper portion of the second push plate respectively, the second push rods penetrate through the inner wall of the lower die and are fixedly connected to the middle position of the upper portion of the second push plate, and the lower push rods penetrate through the inner wall of the lower die and are communicated with the lower die cavity.

Preferably, the left side and the right side of the inner part of the upper die are provided with positioning pins, and the inner part of the lower die is provided with pin holes matched with the lower die.

Preferably, a cold water pipe is arranged inside the lower die.

Preferably, the bottom plate and the top plate are fixedly connected through a hydraulic cylinder.

Preferably, an injection molding opening is formed above the top plate.

Advantageous effects

The utility model provides an easy ejecting injection mold of die sinking. Possess following beneficial effect, the present case designs inner structure simply, can be when going up mould lower mould separation through the first ejecting structure and the ejecting structure of second that are equipped with, directly carry out the ejecting processing of drawing of patterns to injection moulding thing to great acceleration taking of injection moulding thing for efficiency, make the convenience more of drawing of patterns, and can cool off through being equipped with the cold water pipe in the lower mould inside, accelerate drawing of patterns speed.

Drawings

Fig. 1 is the utility model relates to an easily die sinking ejecting injection mold's front view sectional structure schematic diagram under closing membrane state.

Fig. 2 is the utility model relates to a look at sectional structure schematic under easy ejecting injection mold's of die sinking state.

Fig. 3 is the utility model relates to an easily ejecting injection mold of die sinking owner sees structural diagram under closing membrane state.

In the figure: 1-a bottom plate; 2-lower mould; 3, molding the die; 4-a top plate; 5-a first spring; 6-a first push plate; 7-a first push rod; 8-an ejector rod is arranged; 9-a second spring; 10-a second push plate; 11-a second push rod; 12-lower ejector rod; 13-a locating pin; 14-pin holes; 15-a cold water pipe; 16-a hydraulic cylinder; 17-injection molding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): firstly, all the electrical components and the adaptive power supply thereof are connected through leads, and a proper controller and a proper encoder are selected according to actual conditions so as to meet the control requirements, and the specific connection and control sequence are determined.

Referring to fig. 1-3, the present invention provides a technical solution: an injection mold easy to open and eject comprises a bottom plate 1, a lower mold 2, an upper mold 3 and a top plate 4, wherein the lower mold 2 is fixedly connected to the bottom plate 1, the upper mold 3 is positioned on the lower mold 2, the top plate 4 is fixedly connected to the top end of the upper mold 3, a first ejection structure is arranged inside the upper mold 3, and a second ejection structure is arranged in the lower mold 2;

it should be noted that the bottom plate 1 is used for supporting the lower mold 2, the lower mold 2 and the upper mold 3 are used for injection molding, the top plate 4 is used for protecting the upper mold 3, a first ejection structure is arranged inside the upper mold 3, the first ejection structure is used for performing ejection processing on an upper mold forming object formed by an injection mold, a second ejection structure is arranged in the lower mold 2, and the second ejection structure is used for performing ejection processing on a lower mold forming object formed by the injection mold.

A first ejection structure comprising: the device comprises a first spring 5, a first push plate 6, a pair of first push rods 7 and an upper ejector rod 8;

the first spring 5 is fixedly connected to the inner wall above the inner cavity of the upper die 3, the first push plate 6 is fixedly connected below the first spring 5, the pair of first push rods 7 are respectively and fixedly connected to the left side and the right side below the first push plate 6, the pair of first push rods 7 respectively penetrate through the inner wall of the upper die 3, the upper ejector rod 8 is fixedly connected to the middle position below the first push plate 6, and the upper ejector rod 8 penetrates through the inner wall of the upper die 3 and is communicated with the cavity of the upper die;

it should be noted that the first spring 5 is used for providing an elastic force, the first push plate 6 is used for pushing the pair of first push rods 7, the first push rods 7 provide a pushing force, and the upper push rod 8 is used for ejecting the molded object located on the upper mold.

In the specific implementation process, further, the second ejection structure includes: a second spring 9, a second push plate 10, a pair of second push rods 11 and a lower ejector rod 12;

the second spring 9 is fixedly connected to the inner wall below the inner cavity of the lower die 2, the second push rods 11 are fixedly connected above the second spring 9, the pair of second push rods 11 are respectively and fixedly connected to the left side and the right side above the second push plate 10, the pair of second push rods 11 respectively penetrate through the inner wall of the lower die 2, the lower ejector rod 12 is fixedly connected to the middle position above the second push plate 10, and the lower ejector rod 12 penetrates through the inner wall of the lower die 2 and is communicated with the lower die cavity;

the second spring 9 is used for providing an elastic force, the second push plate 10 is used for pushing the pair of second push rods 11, the second push rods 11 are used for providing a pushing force, and the lower ejector rod 12 is used for ejecting the molded product located on the lower mold.

The specific implementation mode is that firstly, the power is switched on, the worker carries out control operation through a programmable controller which is arranged on the worker and matched with the worker and edited with a control program, after the operation is finished, the worker stands by, when the worker starts working, the controller controls the air cylinder 16 to carry out film combination treatment on the upper die 3 and the lower die 4, the pair of first push rods 7 and the pair of second push rods 11 are extruded, so that the first push plates 6 and the second push plates 10 compress the first springs 5 and the second springs 9, then injection molding solution is injected through the injection molding opening 17, after the injection molding is finished, the upper die 3 is pushed through the control air cylinder 16, so that the upper die 3 and the lower die 4 are opened, then the first push plates 6 and the second push plates 10 respectively eject the upper ejector rods 8 and the lower ejector rods 12 through the elasticity of the first springs 5 and the second springs 9, so as to carry out the ejection treatment on the formed product, thereby being convenient for taking out the formed product and completing the whole process.

In the concrete implementation process, further, go up the inside left and right sides of mould 3 and be equipped with locating pin 13, lower mould 2 is inside to be equipped with assorted pinhole 14 with it, and locating pin 13 is used for carrying out the effect of location direction to peg graft in pinhole 14 through locating pin 13, thereby guarantee to go up mould 3 and lower mould 2 close the membrane accuracy.

In the specific implementation process, further, the lower die 2 is internally provided with a cold water pipe 15, and the cold water pipe 15 is used for cooling the inner cavity of the lower die 2, so that rapid demoulding can be performed.

In the specific implementation process, the bottom plate 1 and the top plate 4 are fixedly connected through a hydraulic cylinder 16, and the hydraulic cylinder 16 is used for providing power so as to provide power.

In the specific implementation process, further, an injection port 17 is arranged above the top plate 4, and the injection port 17 is used for injection molding treatment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection mold easy to open and eject comprises a bottom plate (1), a lower mold (2), an upper mold (3) and a top plate (4), and is characterized in that the lower mold (2) is fixedly connected to the bottom plate (1), the upper mold (3) is positioned on the lower mold (2), the top plate (4) is fixedly connected to the top end of the upper mold (3), a first ejection structure is arranged inside the upper mold (3), and a second ejection structure is arranged in the lower mold (2);

the first ejection structure includes: the device comprises a first spring (5), a first push plate (6), a pair of first push rods (7) and an upper ejector rod (8);

first spring (5) fixed connection is in last mould (3) inner chamber top inner wall, first push pedal (6) fixed connection is in first spring (5) below, and is a pair of first push rod (7) is fixed connection respectively in first push pedal (6) below left and right sides, and is a pair of first push rod (7) run through respectively and go up mould (3) inner wall, go up ejector pin (8) fixed connection in first push pedal (6) below intermediate position, go up ejector pin (8) run through last mould (3) inner wall and with last mould cavity intercommunication.

2. An injection mold facilitating mold opening and ejection as claimed in claim 1, wherein the second ejection structure comprises: a second spring (9), a second push plate (10), a pair of second push rods (11) and a lower ejector rod (12);

second spring (9) fixed connection is in lower mould (2) inner chamber below inner wall, second push rod (11) fixed connection is in second spring (9) top, and is a pair of both sides are controlled in second push pedal (10) top to second push rod (11) fixed connection respectively, and is a pair of lower mould (2) inner wall is run through respectively in second push pedal (11), ejector pin (12) fixed connection is in second push pedal (10) top intermediate position down, ejector pin (12) run through lower mould (2) inner wall and communicate with the lower mould chamber down.

3. An injection mold easy to open and eject as claimed in claim 1, wherein the upper mold (3) is provided with positioning pins (13) at left and right sides inside, and the lower mold (2) is provided with matching pin holes (14) inside.

4. An injection mould easy to open and eject according to claim 1, characterized in that a cold water pipe (15) is arranged inside the lower mould (2).

5. An injection mould facilitating mould opening and ejection according to claim 1, wherein the bottom plate (1) and the top plate (4) are fixedly connected through a hydraulic cylinder (16).

6. An injection mould facilitating open mould ejection according to claim 1, characterised in that an injection opening (17) is provided above the top plate (4).