CN215283194U

CN215283194U - Ejection structure of injection mold

Info

Publication number: CN215283194U
Application number: CN202121743669.1U
Authority: CN
Inventors: 夏晓中; 张亚平
Original assignee: Hangzhou Lingchuang Mould Technology Co ltd
Current assignee: Hangzhou Lingchuang Mould Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-24
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an ejecting structure of injection mold relates to injection mold technical field, include: the device comprises a box body, a controller, an electric push rod, a movable die, an arc opening, a die seat, a die cavity, a port, a cavity, a spongy cushion, an ejector rod, a spring and a top plate; the left side of the box body is fixedly connected with a controller; the top of the interior of the box body is fixedly connected with an electric push rod; the bottom of the electric push rod is fixedly connected with a movable die; has the advantages that: after injection molding product stereotypes, electric putter drives the movable mould rebound, make movable mould and the separation of mould seat, the nock separates with ejector pin top, the spring returns to original state simultaneously, elastic force through the spring, bring the ascending elasticity of ejector pin, ejector pin brings the ascending elasticity of roof in step, thereby make the roof upwards pop out in the port is inside, make the roof contact with the injection molding product after the design, thereby it is ejecting to the injection molding product after will stereotypeing, thereby make the injection molding product after the design can break away from the mould chamber fast, further improve work efficiency.

Description

Ejection structure of injection mold

Technical Field

The utility model relates to an injection mold technical field, concretely relates to injection mold is ejecting structure.

Background

The injection mold is a tool for producing plastic products and is also a tool for endowing the plastic products with complete structures and accurate sizes; injection molding is a processing method used for mass production of parts with complex shapes; injecting the heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product; in order to facilitate demoulding of injection-molded parts, an ejection structure is often arranged on an injection mold;

however, when most injection molds are ejected, the forming mold is firmly adhered to the mold cavity due to the large pressing force of the upper mold and the lower mold, and a certain friction force exists between the mold and a product, so that the product cannot be completely separated from the mold, the product is more difficult to take out, and manual demolding is needed, so that the working efficiency is greatly reduced; therefore, we propose an ejection structure of an injection mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the ejection structure of the injection mold is provided, and the ejection structure of the injection mold has certain friction force between the existing mold and a product, so that the product cannot be completely separated from the mold, the product cannot be taken out more conveniently, and at the moment, manual demolding is needed, thereby greatly reducing the working efficiency.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an ejecting structure of injection mold, include: the device comprises a box body, a controller, an electric push rod, a movable die, an arc opening, a die seat, a die cavity, a port, a cavity, a spongy cushion, an ejector rod, a spring and a top plate; the left side of the box body is fixedly connected with a controller; an electric push rod is fixedly connected to the top of the interior of the box body; the bottom of the electric push rod is fixedly connected with a movable die; the left side and the right side of the bottom of the movable die are fixedly connected with arc openings; the bottom inside the box body is fixedly connected with a die seat; the middle of the die base is fixedly connected with a die cavity; the left side and the right side of the bottom in the cavity of the die are fixedly connected with ports; the inner parts of the left side and the right side of the die seat are fixedly connected with a cavity; sponge cushions are fixedly connected to one sides of the two cavities; the inner parts of the two cavities are movably connected with ejector rods, and the tops of the ejector rods extend to the outer part of the die seat; the bottom extends to the outside of the port; the tops of the interiors of the two cavities are fixedly connected with springs, and the bottoms of the springs are fixedly connected to the outer wall of the ejector rod; two equal fixedly connected with roof of knock-out lever bottom one end.

As an optimization of the utility model, the ejector rod is the setting of L style of calligraphy structure, and has the equidistance distance between the spring is inside and the ejector rod.

As an optimization of the present invention, the top plate and the port are of an embedded structure.

As an optimization of the utility model, two the roof is bilateral symmetry setting.

As an optimization of the utility model, two the ejector rod top all is the arc setting, just the ejector rod is corresponding with the arc mouth.

As an optimization of the utility model, the controller is electrically connected with the electric push rod.

Advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

(1) when injection molding is started, an injection molding product is placed into a mold cavity through a pouring port, then an electric push rod extends downwards to synchronously drive a movable mold to extend downwards, so that the movable mold is superposed with a mold base, an arc port on the movable mold is contacted with the top of an ejector rod, the ejector rod is compressed downwards into a cavity through gravity, a spring moves downwards through tension, and the ejector rod synchronously drives a top plate to move downwards so that the top plate is embedded into a port; after injection molding product stereotypes, electric putter drives the movable mould rebound, make movable mould and the separation of mould seat, the nock separates with ejector pin top, the spring returns to original state simultaneously, elastic force through the spring, bring the ascending elasticity of ejector pin, ejector pin brings the ascending elasticity of roof in step, thereby make the roof upwards pop out in the port is inside, make the roof contact with the injection molding product after the design, thereby it is ejecting to the injection molding product after will stereotypeing, thereby make the injection molding product after the design can break away from the mould chamber fast, further improve work efficiency.

Drawings

FIG. 1 is a front view of the present invention as a whole;

FIG. 2 is a schematic view of the overall development structure of the present invention;

FIG. 3 is an enlarged schematic view of the overall FIG. 1A of the present invention;

fig. 4 is an enlarged schematic structural diagram of the overall fig. 2B of the present invention.

The reference numerals are explained below:

1. a box body; 2. a controller; 3. an electric push rod; 4. moving the mold; 5. an arc opening; 6. a mold base; 7. a mold cavity; 8. a port; 9. a cavity; 10. a sponge cushion; 11. ejecting the rod; 12. a spring; 13. a top plate.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 4, an injection mold ejection structure includes: the device comprises a box body 1, a controller 2, an electric push rod 3, a movable die 4, an arc opening 5, a die seat 6, a die cavity 7, a port 8, a cavity 9, a spongy cushion 10, an ejector rod 11, a spring 12 and a top plate 13; the left side of the box body 1 is fixedly connected with a controller 2; the top inside the box body 1 is fixedly connected with an electric push rod 3; the bottom of the electric push rod 3 is fixedly connected with a movable mould 4; the left side and the right side of the bottom of the movable mold 4 are both fixedly connected with arc openings 5; the bottom inside the box body 1 is fixedly connected with a mould seat 6; the middle of the die base 6 is fixedly connected with a die cavity 7; the left side and the right side of the bottom inside the die cavity 7 are fixedly connected with ports 8; the inner parts of the left side and the right side of the die seat 6 are fixedly connected with a cavity 9; one sides of the two cavities 9 are fixedly connected with spongy cushions 10; the insides of the two cavities 9 are movably connected with ejector rods 11, and the tops of the ejector rods 11 extend to the outside of the die seat 6; the bottom extends outside the port 8; the tops of the interiors of the two cavities 2 are fixedly connected with springs 12, and the bottoms of the springs 12 are fixedly connected to the outer wall of the ejector rod 11; the bottom ends of the two ejection rods 11 are fixedly connected with a top plate 13.

In this embodiment, the ejecting rod 11 is disposed in an L-shaped structure, and the spring 12 is disposed inside and equidistant from the ejecting rod 11.

When the injection molding machine is used specifically, when injection molding is started, an injection molding product is placed in the mold cavity 7, then the electric push rod 3 extends downwards to synchronously drive the movable mold 4 to extend downwards, the movable mold 4 is overlapped with the mold seat 6, meanwhile, the arc opening 5 on the movable mold 4 is contacted with the top of the ejector rod 11, the ejector rod 11 is compressed into the cavity 9, meanwhile, the spring 12 moves downwards through tension, and meanwhile, the ejector rod 11 synchronously drives the top plate 13 to move downwards; after injection molding product is finalized, electric putter 3 drives movable mould 4 rebound, make movable mould 4 and the separation of mould seat 6, arc mouth 5 and 11 top separations of knock-out lever, spring 12 returns to original state simultaneously, through the elastic force of spring 12, bring the ascending elasticity of knock-out lever 11, knock-out lever 11 is brought the ascending elasticity of roof 13 in step, thereby make roof 13 upwards pop out in mould chamber 7 inside, make roof 13 and the injection molding product contact after finalizing the design, thereby injection molding product after finalizing the design is ejecting, thereby the injection molding product after finalizing the design can break away from mould chamber 7 fast.

In this embodiment, the top plate 13 and the port 8 are in a damascene structure.

When specifically using, when ejector rod 11 drives roof 13 downstream in step, roof 13 inlays inside port 8 to can not influence injection moulding product's the effect of moulding plastics, also carry out the position to roof 13 downstream's position and prescribe a limit to simultaneously.

In this embodiment, the two top plates 13 are arranged in bilateral symmetry.

During the specific use, through setting up two roof 13 to make roof 13 can carry out ejecting to the injection moulding product bottom left and right sides after the design, thereby can improve ejecting efficiency.

In this embodiment, the tops of the two ejector rods 11 are all arc-shaped, and the ejector rods 11 correspond to the arc openings 5.

When the ejection rod 11 is in contact with the arc opening 5 in specific use, the top of the ejection rod 11 can be matched with the arc opening 5, so that the ejection rod 11 is more stable when moving downwards.

In this embodiment, a sponge pad 10 is arranged at the top of the bottom of the cavity 9.

When the ejection rod 11 is ejected upwards to move in a specific use mode, one side of the ejection rod 11 is in contact with the spongy cushion 10, the elastic force of the ejection rod 11 ejected upwards can be buffered through the spongy cushion 10, the ejection rod 11 is prevented from being damaged, and meanwhile noise can be reduced.

In this embodiment, the controller 2 is electrically connected to the electric push rod 3.

When the electric push rod is used specifically, the working state of the electric push rod 3 can be controlled through the controller 2.

The utility model provides a working principle of injection mold ejection structure:

firstly, connecting a controller 2 and an electric push rod 3 with a power supply, and controlling the working state of the electric push rod 3 through the controller 2;

when injection molding is started, an injection molding product is placed into the mold cavity 7 through a pouring gate, then the electric push rod 3 extends downwards to synchronously drive the movable mold 4 to extend downwards, so that the movable mold 4 is overlapped with the mold seat 6, meanwhile, the arc opening 5 on the movable mold 4 is contacted with the top of the ejector rod 11, so that the ejector rod 11 is compressed downwards into the cavity 9 through gravity, meanwhile, the spring 12 moves downwards through tension, and meanwhile, the ejector rod 11 synchronously drives the top plate 13 to move downwards, so that the top plate 13 is embedded into the port 8;

after the injection molding product is shaped, the electric push rod 3 drives the movable mold 4 to move upwards to separate the movable mold 4 from the mold base 6, the arc opening 5 is separated from the top of the ejector rod 11, meanwhile, the spring 12 returns to the original state, upward elastic force is provided for the ejector rod 11 through the elastic force of the spring 12, the ejector rod 11 synchronously provides upward elastic force for the top plate 13, so that the top plate 13 is upwards ejected in the port 8, the top plate 13 is contacted with the shaped injection molding product, the shaped injection molding product is ejected, and the shaped injection molding product can be quickly separated from the mold cavity 7;

simultaneously, when ejecting pole 11 upwards popped out the removal, ejecting pole 11 one side and foam-rubber cushion 10 contact can cushion ejecting pole 11 elasticity of popping out upwards through foam-rubber cushion 10, prevent that ejecting pole 11 is impaired, also the noise reduction simultaneously.

The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. An injection mold ejection structure comprising: the device comprises a box body (1), a controller (2), an electric push rod (3), a movable die (4), an arc opening (5), a die seat (6), a die cavity (7), a port (8), a cavity (9), a spongy cushion (10), an ejector rod (11), a spring (12) and a top plate (13); the method is characterized in that: the left side of the box body (1) is fixedly connected with a controller (2); the top of the interior of the box body (1) is fixedly connected with an electric push rod (3); the bottom of the electric push rod (3) is fixedly connected with a movable mould (4); the left side and the right side of the bottom of the movable mold (4) are fixedly connected with arc openings (5); the bottom inside the box body (1) is fixedly connected with a mould seat (6); a mould cavity (7) is fixedly connected in the middle of the mould seat (6); the left side and the right side of the bottom inside the die cavity (7) are fixedly connected with ports (8); the inner parts of the left side and the right side of the die seat (6) are fixedly connected with a cavity (9); sponge cushions (10) are fixedly connected to one sides of the two cavities (9); the inner parts of the two cavities (9) are movably connected with ejector rods (11), and the tops of the ejector rods (11) extend to the outer part of the die seat (6); the bottom extends outside the port (8); the tops of the interiors of the two cavities (9) are fixedly connected with springs (12), and the bottoms of the springs (12) are fixedly connected to the outer wall of the ejector rod (11); and one end of the bottom of each ejection rod (11) is fixedly connected with a top plate (13).

2. An injection mold ejection structure as in claim 1, wherein; the ejection rod (11) is arranged in an L-shaped structure, and an equidistant distance is reserved between the inner part of the spring (12) and the ejection rod (11).

3. An injection mold ejection structure as in claim 1, wherein: the top plate (13) and the port (8) are of a mosaic structure.

4. An injection mold ejection structure as in claim 1, wherein: the two top plates (13) are arranged in a bilateral symmetry manner.

5. An injection mold ejection structure as in claim 1, wherein: two ejector rod (11) top all is the arc setting, just ejector rod (11) are corresponding with arc mouth (5).

6. An injection mold ejection structure as in claim 1, wherein: the controller (2) is electrically connected with the electric push rod (3).