CN210113076U

CN210113076U - Injection mold easy to demold

Info

Publication number: CN210113076U
Application number: CN201920714515.6U
Authority: CN
Inventors: 范丽娟
Original assignee: Zhejiang Shenghao Plastic Industry Co Ltd
Current assignee: Zhejiang Shenghao Plastic Industry Co Ltd
Priority date: 2019-05-19
Filing date: 2019-05-19
Publication date: 2020-02-25
Anticipated expiration: 2029-05-19

Abstract

The utility model discloses an injection mold of easy drawing of patterns relates to injection mold technical field, including the fixed die plate, the inboard of fixed die plate is provided with the cover half chamber, and one side of fixed die plate sets up the mouth of moulding plastics that is linked together with the cover half chamber, the inboard embedding of fixed die chamber is connected with the fixed push rod, one side of fixed die plate is provided with the movable mould board, the inboard of movable mould board is provided with the movable mould chamber. The utility model discloses a decide push rod and movable push rod's cooperation makes to mould a can the rapid demoulding, labor intensity is reduced, time is saved, work efficiency is improved, and can effectively solve the manual problem of getting the easy scald that appears of piece, safety protection has been increased, during the cooling water got into the cooling tube along business turn over water coupling simultaneously, can play the rapid cooling effect, make to mould a can the rapid cooling design, solved the plastic and got the easy problem that leads to the deformation because of dragging of piece under the unmodeled condition, the qualification rate of product has been improved, the production of reworking spare has been reduced.

Description

Injection mold easy to demold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold of easy drawing of patterns.

Background

The die is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. The blank can obtain a corresponding three-dimensional shape by using the shape of the inner cavity. The mold generally comprises a movable mold and a fixed mold (or a male mold and a female mold), which can be separated or combined. When the blank is closed, the blank is injected into the die cavity for forming. The die is a precise tool, has a complex shape, bears the expansion force of a blank, has higher requirements on structural strength, rigidity, surface hardness, surface roughness and processing precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

However, the existing die is not easy to demould when in use, so that the whole working efficiency is seriously influenced, meanwhile, the inside plastic part is slowly shaped due to overhigh temperature in the die cavity, the problem of pulling deformation easily occurs in the taking-out process, the product quality is seriously influenced, the output of a large number of returned workpieces is caused, and the production cost is increased. Accordingly, those skilled in the art have provided an injection mold that is easily demolded to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide an injection mold of easy drawing of patterns to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold easy to demold comprises a fixed mold plate, wherein a fixed mold cavity is arranged on the inner side of the fixed mold plate, an injection port communicated with the fixed mold cavity is formed in one side of the fixed mold plate, a fixed push rod is embedded and connected into the inner side of the fixed mold cavity, a movable mold plate is arranged on one side of the fixed mold plate, a movable mold cavity is arranged on the inner side of the movable mold plate, a movable push plate is arranged on one side of the movable mold plate and connected with the movable mold plate through a connecting column, a baffle is arranged below the connecting column, a spring column is arranged on one side of the baffle, a movable push rod connected with the movable mold cavity is arranged on the other side of the baffle, a push plate is arranged on one side of the spring column, a push rod is arranged on one side of the push plate, one end of the push rod penetrates through the movable push plate, a water inlet, and one side of the movable template is provided with a limiting column corresponding to the limiting groove.

As a further aspect of the present invention: the limiting column is welded and fixed with the movable template, and the size of the limiting column is matched with that of the limiting groove.

As a further aspect of the present invention: the pushing plate and the pushing rod are welded to form a T-shaped structure integrally, and the pushing plate is made of an alloy material.

As a further aspect of the present invention: the water cooling pipe is arranged in the fixed die plate, two ends of the water cooling pipe are respectively connected with the water inlet and outlet pipe joints, and the water cooling pipe is spirally arranged in the fixed die plate.

As a further aspect of the present invention: the injection molding opening is V-shaped and is a component made of metal, and the injection molding opening penetrates through the fixed mold plate and is communicated with the fixed mold cavity.

As a further aspect of the present invention: and a sealing ring is arranged at the joint of the inner side of the movable die cavity and the movable push rod, and the sealing ring is a component made of polytetrafluoroethylene.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a decide push rod and movable push rod's cooperation makes to mould a can the rapid demoulding, labor intensity is reduced, time is saved, work efficiency is improved, and can effectively solve the manual problem of getting the easy scald that appears of piece, safety protection has been increased, during the cooling water got into the cooling tube along business turn over water coupling simultaneously, can play the rapid cooling effect, make to mould a can the rapid cooling design, solved the plastic and got the easy problem that leads to the deformation because of dragging of piece under the unmodeled condition, the qualification rate of product has been improved, the production of reworking spare has been reduced.

Drawings

FIG. 1 is a schematic structural view of an injection mold that is easy to demold;

FIG. 2 is a plan view of an injection mold that is easy to demold;

FIG. 3 is a top view of an injection mold that is easy to demold.

In the figure: 1. fixing a template; 2. an injection molding port; 3. fixing a mold cavity; 4. a limiting groove; 5. moving the template; 6. a limiting column; 7. a movable die cavity; 8. a movable push plate; 9. connecting columns; 10. a push plate; 11. a movable push rod; 12. a spring post; 13. fixing a push rod; 14. a push rod; 15. a water inlet and outlet pipe joint; 16. and a baffle plate.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present invention, an injection mold easy to demold includes a fixed mold plate 1, a fixed mold cavity 3 is disposed on an inner side of the fixed mold plate 1, an injection opening 2 communicated with the fixed mold cavity 3 is disposed on one side of the fixed mold plate 1, a fixed push rod 13 is embedded and connected on an inner side of the fixed mold cavity 3, a movable mold plate 5 is disposed on one side of the fixed mold plate 1, a movable mold cavity 7 is disposed on an inner side of the movable mold plate 5, a movable push plate 8 is disposed on one side of the movable mold plate 5, the movable push plate 8 is connected with the movable mold plate 5 through a connecting post 9, a baffle 16 is disposed below the connecting post 9, a spring post 12 is disposed on one side of the baffle 16, a movable push rod 11 connected with the movable mold cavity 7 is disposed on the other side of the baffle 16, a push plate 10 is disposed on one side of the spring, a water inlet and outlet pipe joint 15 is arranged above the fixed template 1, a limiting groove 4 is arranged on one side of the fixed template 1, and a limiting column 6 corresponding to the limiting groove 4 is arranged on one side of the movable template 5.

In fig. 1: the limiting column 6 is welded and fixed with the movable template 5, and the size of the limiting column 6 is matched with that of the limiting groove 4, so that the movable template 5 and the fixed template 1 are accurately guided to be folded or separated when the movable template 5 and the fixed template 1 are closed.

In fig. 1: the pushing plate 10 and the pushing rod 14 are welded to form a T-shaped structure integrally, the pushing plate 10 is made of alloy materials, the T-shaped structure is beneficial to the work of a die, and the alloy materials are more durable.

In fig. 1: the inside of fixed die plate 1 is provided with the water-cooled tube, the both ends of water-cooled tube link to each other with business turn over water pipe head 15 respectively, the water-cooled tube is the setting of spiraling in fixed die plate 1, during the cooling water got into the water-cooled tube through business turn over water pipe head 15 during the use, can play rapid cooling effect, make and mould the piece and can cool off the design fast, solved the plastic and got the problem that the piece leads to the deformation because of dragging easily under the unmodeled condition, the qualification rate of product has been improved, the production of reworking spare has been reduced.

In fig. 1: the mouth 2 of moulding plastics is the V font, and the mouth 2 of moulding plastics is the component of a metal material, and the mouth 2 of moulding plastics runs through fixed die plate 1 and is linked together with cover half cavity 3, can pour into the die cavity with the melt through the mouth 2 of moulding plastics, and the V font setting can be conveniently continuous with external injection pipe simultaneously.

In fig. 1: the joint of the inner side of the movable mold cavity 7 and the movable push rod 11 is provided with a sealing ring, the sealing ring is a component made of polytetrafluoroethylene, the sealing performance between the inner side of the movable mold cavity and the movable push rod can be achieved, and the problem of flash is avoided.

The utility model discloses a theory of operation is: firstly, the movable push plate 8 starts to move rightwards, the movable template 5 is pushed through the connecting column 9, the movable template 5 is butted with the fixed template 1, an injector starts to inject plastic into a mold cavity through the injection port 2, after the injection is finished, cooling water enters a water cooling pipe through the water inlet and outlet pipe joint 15, the rapid cooling effect can be achieved, a plastic part can be rapidly cooled and shaped, the problem that the plastic part is easy to deform due to pulling when the plastic is taken under the unmolded condition is solved, the qualification rate of products is improved, the generation of reworked parts is reduced, after the mold is formed, the movable push plate 8 moves leftwards, the fixed push rod 13 pushes the formed mold to rapidly separate from the fixed mold cavity 3, then, the push baffle 16 of the push rod 14 drives the movable push rod 11 to push the formed mold out of the movable mold cavity 7, and the mold manufacturing is completed.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An injection mold easy to demold comprises a fixed mold plate (1) and is characterized in that a fixed mold cavity (3) is arranged on the inner side of the fixed mold plate (1), an injection molding opening (2) communicated with the fixed mold cavity (3) is formed in one side of the fixed mold plate (1), a fixed push rod (13) is connected to the inner side of the fixed mold cavity (3) in an embedded mode, a movable mold plate (5) is arranged on one side of the fixed mold plate (1), a movable mold cavity (7) is arranged on the inner side of the movable mold plate (5), a movable push plate (8) is arranged on one side of the movable mold plate (5), the movable push plate (8) is connected with the movable mold plate (5) through a connecting column (9), a baffle (16) is arranged below the connecting column (9), a spring column (12) is arranged on one side of the baffle (16), and a movable push rod (11) connected with the movable mold cavity (7, one side of spring post (12) is provided with catch plate (10), one side of catch plate (10) is provided with catch bar (14), the one end of catch bar (14) is run through movable push pedal (8), the top of fixed die plate (1) is provided with business turn over water pipe connector (15), and one side of fixed die plate (1) is provided with spacing groove (4), one side of movable die plate (5) is provided with spacing post (6) corresponding with spacing groove (4).

2. An injection mould easy to demould according to claim 1, characterized in that the limiting column (6) is fixed with the movable mould plate (5) by welding, and the size of the limiting column (6) is matched with the size of the limiting groove (4).

3. An injection mold easy to demold according to claim 1, wherein the pushing plate (10) and the pushing rod (14) are welded together to form a T-shaped structure, and the pushing plate (10) is an alloy member.

4. An injection mold easy to demold according to claim 1, wherein the inside of the fixed mold plate (1) is provided with a water cooling pipe, two ends of the water cooling pipe are respectively connected with the water inlet and outlet pipe joints (15), and the water cooling pipe is spirally arranged in the fixed mold plate (1).

5. An injection mold easy to demold according to claim 1, wherein the injection port (2) is V-shaped, and the injection port (2) is a component made of metal, and the injection port (2) penetrates through the fixed mold plate (1) and is communicated with the fixed mold cavity (3).

6. An injection mould easy to demould according to claim 1, characterised in that a sealing ring is arranged at the connection of the inner side of the movable mould cavity (7) and the movable push rod (11), and the sealing ring is a component made of polytetrafluoroethylene.