CN222451236U

CN222451236U - Injection mold of collimating mirror casing

Info

Publication number: CN222451236U
Application number: CN202421231573.0U
Authority: CN
Inventors: 张英兵
Original assignee: Dongguan Chengjie Plastic Mold Product Co ltd
Current assignee: Dongguan Chengjie Plastic Mold Product Co ltd
Priority date: 2024-05-31
Filing date: 2024-05-31
Publication date: 2025-02-11
Anticipated expiration: 2034-05-31

Abstract

The utility model discloses an injection mold of a collimating lens shell, which relates to the technical field of molds and comprises an upper mold, a lower mold, a glue feeding mechanism and an ejection mechanism, wherein the upper mold and the lower mold are mutually butted, the glue feeding mechanism is arranged on the upper mold, the ejection mechanism is arranged on the lower mold, a plurality of groups of working groups are arranged between the upper mold and the lower mold in a butted mode, the working groups are distributed in an annular array, each group of working groups comprises a first working position and a second working position which are symmetrically arranged at intervals, the glue feeding mechanism comprises a main runner arranged on the upper mold, a first-stage runner and a second-stage runner which are arranged on a parting surface of the lower mold, the main runner, the first-stage runner and the second-stage runner are sequentially connected, the first-stage runner and the second-stage runner are arranged in a plurality, the first-stage runners are in one-to-one correspondence with the working groups, and a plurality of products can be connected with runner waste materials to form a whole, so that a plurality of products can be conveniently taken out manually or by a manipulator at one time, and the production efficiency is improved.

Description

Injection mold of collimating mirror casing

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold of a collimating lens shell.

Background

The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The method mainly realizes the processing of the surface of the article through the change of the physical state of the formed material, and has the name of 'industrial mother'. The injection mold is a tool for producing plastic products, and generally consists of an upper mold and a lower mold, wherein the upper mold and the lower mold are closed to form a runner system and a mold cavity of the plastic products during injection molding. During injection molding, the mold is clamped on the injection molding machine, molten plastic is injected into the mold cavity and is cooled and molded in the mold cavity, meanwhile, the molten plastic is cooled in the runner system to form runner system solidification materials, the upper mold and the lower mold are separated after plastic products are molded, the plastic products are ejected out of the mold cavity through the ejection system and leave the mold, finally, the upper mold and the lower mold are closed again to carry out the next injection molding, and the whole injection molding process is circularly carried out.

As shown in fig. 1, in order to achieve efficient production efficiency, an injection mold corresponding to the plastic product is generally multi-station injection molding, however, after the product is molded and demolded, a plurality of products need to be taken out one by one manually or by a mechanical arm, which is time-consuming and labor-consuming.

There is a need for an improved solution to the above-mentioned problems.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The injection mold comprises an upper mold and a lower mold which are mutually butted, a glue feeding mechanism arranged on the upper mold and an ejection mechanism arranged on the lower mold, wherein a plurality of groups of work station groups are arranged between the upper mold and the lower mold which are mutually butted, the plurality of groups of work station groups are arranged in an annular array, and each group of work station groups comprises a first station and a second station which are symmetrically arranged at intervals;

The glue feeding mechanism comprises a main runner arranged on an upper die, a first-grade runner and a second-grade runner which are arranged on a parting surface of a lower die, wherein the main runner, the first-grade runner and the second-grade runner are sequentially connected, a plurality of first-grade runners are arranged, a plurality of first-grade runners are in one-to-one correspondence with a plurality of station groups, the second-grade runner comprises a first runner corresponding to a first station and a second runner corresponding to a second station, and the first runner and the second runner are symmetrically arranged at intervals by taking the first-grade runner as a center;

The ejection mechanism comprises an ejector plate movably connected to the lower die, and a first ejector pin, a second ejector pin and a third ejector pin which are arranged on the ejector plate, wherein the first ejector pin corresponds to the main runner, the second ejector pin corresponds to the first sub-runner and the second sub-runner, and the third ejector pin corresponds to the first station and the second station.

As a further scheme of the utility model, a water gap is formed between the connection of the first station and the first sub-runner and between the connection of the second station and the second sub-runner, and the second thimble is arranged close to the water gap.

The glue feeding mechanism further comprises an extending sub-runner arranged on the parting surface of the lower die, wherein the extending sub-runner is connected with a first-stage sub-runner and a main runner, and the extending sub-runner is positioned between two adjacent first-stage sub-runners;

wherein the extended sub-runner is not connected with the first station or the second station.

As a further scheme of the utility model, the extension sub-runner is in a straight line shape or a fan shape.

The utility model further provides the technical scheme that the station group is provided with four groups, the first-stage flow dividing channels and the extending flow dividing channels are respectively provided with four groups, and the four first-stage flow dividing channels and the four extending flow dividing channels are connected to form a rice-shaped structure.

As a further scheme of the utility model, the first sub-runner/the second sub-runner are arranged in an arc transition mode.

The lower die is internally provided with an assembly cavity, an assembly block is slidably connected in the assembly cavity, a molding insert corresponding to the first station/the second station is arranged on the assembly block, the molding insert is connected with the third ejector pin, and a slideway corresponding to the second ejector pin is arranged on the molding insert.

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

After the product is molded, the main runner, the first sub runner and the second sub runner can be connected to form runner waste materials with an integrated structure, and a plurality of products can be connected with the runner waste materials to form a whole body, and the products are combined with the first thimble corresponding to the main runner, the second thimble corresponding to the first sub runner/the second sub runner and the third thimble corresponding to the first station/the second station, namely when the product is demolded, can be together ejecting with the runner waste material of a plurality of products and integral structure under the combined action of first thimble, second thimble and third thimble to be convenient for once only take out a plurality of products with manual work or manipulator, do benefit to improvement production efficiency, synchronous first thimble, second thimble and third thimble can be targeted dock, thereby effectively guarantee that runner waste material and a plurality of products can be together ejecting, and then guaranteed the feasibility of once only taking out a plurality of products after the drawing of patterns.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic structural view of a product;

FIG. 2 is a schematic view of the lower die structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of a view angle of the present utility model;

FIG. 5 is a schematic view of the structure at B in FIG. 4;

fig. 6 is a schematic cross-sectional view of yet another view of the present utility model.

Reference numerals and names in the drawings are as follows:

1. The device comprises an upper die, a lower die, a 3, a station group, a 4, a first station, a 5, a second station, a 6, a main runner, a 7, a first runner, a 8, a second runner, a 9, a first runner, a 10, a second runner, a 11, an ejector plate, a 12, a first ejector pin, a 13, a second ejector pin, a 14, a third ejector pin, a 15, a water gap, a 16, an extension runner, a 17, an assembly cavity, a 18, an assembly block, a 19, a molding insert, a 20 and a slideway.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2-6, in an embodiment of the present utility model, an injection mold for a collimator lens housing includes an upper mold 1 and a lower mold 2 that are butted with each other, a glue feeding mechanism disposed on the upper mold 1, and an ejection mechanism disposed on the lower mold 2, wherein a plurality of groups of work stations 3 are disposed between the upper mold 1 and the lower mold 2 that are butted with each other, the plurality of groups of work stations 3 are arranged in a ring-shaped array, and each group of work stations 3 includes a first work station 4 and a second work station 5 that are symmetrically disposed at intervals;

The glue feeding mechanism comprises a main runner 6 arranged on the upper die 1, and a first-stage runner 7 and a second-stage runner 8 which are arranged on the parting surface of the lower die 2, wherein the main runner 6, the first-stage runner 7 and the second-stage runner 8 are sequentially connected, a plurality of first-stage runners 7 are arranged, a plurality of first-stage runners 7 are in one-to-one correspondence with a plurality of work groups 3, the second-stage runner 8 comprises a first runner 9 corresponding to the first work station 4 and a second runner 10 corresponding to the second work station 5, and the first runner 9 and the second runner 10 are symmetrically arranged at intervals by taking the first-stage runner 7 as the center;

the ejection mechanism comprises an ejector plate 11 movably connected to the lower die 2, and a first ejector pin 12, a second ejector pin 13 and a third ejector pin 14 which are arranged on the ejector plate 11, wherein the first ejector pin 12 corresponds to the main runner 6, the second ejector pin 13 corresponds to the first sub-runner 9 and the second sub-runner 10, and the third ejector pin 14 corresponds to the first station 4 and the second station 5.

According to the technical scheme, the plurality of groups of work stations 3 are distributed in an annular array, each group of work stations 3 comprises a first work station 4 and a second work station 5 which are symmetrically arranged at intervals, according to the design, through a main runner 6, a first sub runner 7 and a second sub runner 8 which are sequentially connected, and by taking the main runner 6 as a center, the first sub runner 7 corresponds to the work stations 3, the second sub runner 8 is divided into a first sub runner 9 and a second sub runner 10, and corresponds to the first work station 4 through the first sub runner 9, and corresponds to the second work station 5 through the second sub runner 10, so that after products are molded, the main runner 6, the first sub runner 7, the first sub runner 9 and the second sub runner 10 can be connected to form an integral runner waste, and a plurality of products can be connected with the runner waste to form a whole through a first ejector pin 12 corresponding to the main runner 6, a second ejector pin 13 corresponding to the first sub runner 9/the first sub runner 10 and a third ejector pin 14 corresponding to the first work station 4/the second work station 5, namely, when the products are molded, the first ejector pin 12, the first ejector pin and the second ejector pin 13 can be ejected out of the first sub runner 13 and the first sub runner 13 simultaneously, the first ejector pin and the second ejector pin can be simultaneously ejected out of the products by the first ejector pin and the second ejector pin 13 and the first ejector pin 13 can be simultaneously or simultaneously.

In the embodiment of the present utility model, a water gap 15 is formed between the connection between the first station 4 and the first sub-runner 9, and between the connection between the second station 5 and the second sub-runner 10, and the second ejector pin 13 is disposed close to the water gap 15.

Through this setting for second thimble 13 can not directly act on the mouth of a river 15 position of product, thereby effectively avoid in the drawing of patterns in-process, product and runner waste material appear cracked condition and take place at mouth of a river 15, thereby influence a plurality of products and runner waste material together and take out, and second thimble 13 is close to the setting in mouth of a river 15 position, effectively strengthens the effort of ejecting the product, does benefit to the product and breaks away from first station 4/second station 5.

In the embodiment of the utility model, the glue feeding mechanism further comprises an extension sub-runner 16 arranged on the parting surface of the lower die 2, wherein the extension sub-runner 16 is connected with the first-stage sub-runner 7 and the main runner 6, and the extension sub-runner 16 is positioned between two adjacent first-stage sub-runners 7;

wherein the extended sub-channel 16 is not connected to the first station 4 or the second station 5.

Specifically, the extending sub-flow channel 16 is in a straight line or a fan shape, etc.

Through the setting of extension subchannel 16 to effectively strengthen the joint strength between adjacent one-level runner 7 and the sprue 6, effectively increase the holistic volume and the intensity of this integral type runner waste material promptly, and then do benefit to in ejecting product and runner waste material's in-process, avoid the condition that the split appears in the runner waste material to take place.

In the embodiment of the utility model, the station group 3 is provided with four groups, the first-stage flow dividing channels 7 and the extension flow dividing channels 16 are respectively provided with four, and the four first-stage flow dividing channels 7 and the four extension flow dividing channels 16 are connected to form a m-shaped structure.

In the embodiment of the utility model, the first sub-runner 9/the second sub-runner 10 is in arc transition arrangement.

It is understood that the main runner 6 and the first-stage runner 7 are both straight channels or substantially straight channels, so that molten injection molding materials can flow into the mold rapidly, the first runner 9 and the second runner 10 are in arc transition, and accordingly a buffering effect can be achieved when the injection molding materials enter the mold cavity, namely, the first station 4 and the second station 5, uneven flow of the injection molding materials is avoided, quality problems such as hot melting marks and bubbles of products are caused, and the reliability and the attractiveness of the products are affected.

In the embodiment of the utility model, an assembly cavity 17 is formed in the lower die 2, an assembly block 18 is slidably connected in the assembly cavity 17, a molding insert 19 corresponding to the first station 4/the second station 5 is arranged on the assembly block 18, the molding insert 19 is connected with the third thimble 14, and a slideway 20 corresponding to the second thimble 13 is formed on the molding insert 19.

The third ejector pin 14 drives the assembly block 18 and the forming insert 19 on the assembly block to slide, so that ejection of products is realized, the synchronous assembly block 18 can be provided with the slide way 20 corresponding to the second ejector pin 13, so that the sliding path of the second ejector pin 13 is accurate, the sliding stability of the second ejector pin 13 is improved, further, the occurrence of the situation that the product and runner waste are broken and separated at the joint of the water gap 15 due to position deviation when the second ejector pin 13 is ejected is effectively avoided, and the success rate of taking out a plurality of products at one time after demolding is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The injection mold is characterized by comprising an upper mold, a lower mold, a glue feeding mechanism and an ejection mechanism, wherein the upper mold and the lower mold are mutually butted, the glue feeding mechanism is arranged on the upper mold, the ejection mechanism is arranged on the lower mold, a plurality of groups of working groups are arranged between the upper mold and the lower mold in a mutually butted mode, the working groups are arranged in an annular array, and each group of working groups comprises a first working position and a second working position which are symmetrically arranged at intervals;

2. The injection mold of claim 1, wherein a gate is formed between the first station and the first runner and between the second station and the second runner, and the second ejector pin is disposed proximate to the gate.

3. The injection mold of claim 1, wherein the glue feeding mechanism further comprises an extending sub-runner arranged on the parting surface of the lower mold, the extending sub-runner is connected with the first-stage sub-runner and the main runner, and the extending sub-runner is positioned between two adjacent first-stage sub-runners;

4. An injection mold for a collimator lens housing as claimed in claim 3 wherein said extension sub-runner is rectilinear or fan-shaped.

5. An injection mold for a collimator lens housing according to claim 3, wherein the station group is provided with four groups, and the primary flow dividing channels and the extension flow dividing channels are respectively provided with four, and the four primary flow dividing channels and the four extension flow dividing channels are connected to form a m-shaped structure.

6. The injection mold of claim 1, wherein the first runner/second runner is configured to transition in an arc.

7. The injection mold of claim 1, wherein an assembly cavity is formed in the lower mold, an assembly block is slidably connected in the assembly cavity, a molding insert corresponding to the first station/the second station is arranged on the assembly block, the molding insert is connected with the third ejector pin, and a slide corresponding to the second ejector pin is formed on the molding insert.