CN210501185U

CN210501185U - Rotary double-color mold with different rear molds

Info

Publication number: CN210501185U
Application number: CN201921247674.6U
Authority: CN
Inventors: 傅元梧
Original assignee: Xiamen Weike Molding Technology Co Ltd
Current assignee: Xiamen Weike Molding Technology Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-12
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a rotary bicolor mold with different back molds, which comprises a front mold, a back mold and a flow passage, wherein the front mold and the back mold are mutually buckled, the front mold is set as a fixed mold, the back mold is set as a movable mold, and the back mold is provided with a primary forming module and a secondary forming module, the primary forming module and the secondary forming module are symmetrically arranged, the utility model changes the common bicolor mold that two back molds are the same, the two front molds are different, the back mold is rotated 180 degrees to be alternatively formed with products with different shapes by the front mold, the mode of realizing bicolor forming adopts the two back molds to be different, the two front molds are the same and also are the bicolor mold with the back mold rotation, thereby facilitating a user to better carry out twice forming use, and the product can be stably left on the front mold in the process of mold position exchange when the machine platform is rotated 180 degrees by matching with a fixed elastic block, and after the rear mold is ensured to rotate, the mold closing can realize the pouring and molding.

Description

Rotary double-color mold with different rear molds

Technical Field

The utility model relates to a double-colored mould technical field specifically is a different rotatory double-colored mould of back mould.

Background

The double-color mold is a mold in which two plastic materials are injected on the same injection molding machine and are molded twice, but the product is only demoulded once. The general molding process is also called double-material injection molding, which is usually completed by one set of mold, and needs a special double-color injection molding machine, the double-color mold is increasingly popular in the market at present, the process can make the appearance of the product more beautiful, the color is easy to change, the spraying is not needed, but the manufacturing cost is high, the technical requirement is high, the two shapes of the female mold are different, 1 product is respectively molded, the two shapes of the male mold are completely the same, the front mold and the rear mold of the mold are matched after rotating 180 degrees around the center, the inspection action is needed during the design, the requirement on the positioning and processing of the mold frame is higher, the total thickness of the front mold panel and the A plate is not less than 170mm, and when the female mold for the second injection molding is designed, a part of the female mold can be designed to avoid damaging the glue position of the product which is molded at the first time by inserting (or rubbing. However, the strength of each molding position must be carefully considered, i.e., whether the plastic is deformed under a large molding pressure during the injection molding process, so that the possibility of generating burrs during the second injection molding process may be generated.

The utility model discloses an inventor discovers that current ordinary double-colored mould is that two back moulds do the same, and two front forms do differently, and the back mould realizes double-colored shaping through rotatory 180 degrees in turn with the product of the shaping different shapes of front form, and is comparatively troublesome in secondary forming, leads to secondary product flaw to appear easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory double-colored mould that back mould is different, aim at improving current ordinary double-colored mould and do the same for two back moulds, two front forms do differently, and the back mould is through rotatory 180 degrees products of different shapes of alternative and front form shaping, realizes double-colored shaping, and is comparatively troublesome in secondary molding, leads to the secondary finished product problem that the flaw appears easily.

The utility model discloses a realize like this:

a rotary bicolor mold with different rear molds comprises a front mold, a rear mold and a runner, wherein the front mold and the rear mold are buckled with each other, the front mold is set as a fixed mold, the rear mold is set as a movable mold, and a primary forming module and a secondary forming module are arranged on the rear mold, the primary forming module and the secondary forming module are symmetrically arranged on the upper end surface of the rear mold, the runner is arranged in the rear mold, through researching the structure of the existing bicolor mold, the rotary bicolor mold with different rear molds is designed, the problems that the two rear molds are the same in the existing common bicolor mold, the two front molds are different in shape, the rear mold and the front mold are alternately formed into products with different shapes through rotating 180 degrees, the bicolor forming is realized, the secondary forming is troublesome, the defect of a secondary finished product is easily caused are solved, and the arrangement of the front mold ensures the twice forming process, the product can be stable fixed, guarantees the accuracy of shaping position, sets up the person of facilitating the use through the structure to the back mould can reach twice fashioned purpose through the rotation to the back mould, and the setting of runner comes the person of facilitating the use to carry out first injection moulding and second injection moulding and uses.

Further, the runner includes that first efflux runner and second penetrate the runner, first efflux runner sets up on the one shot forming module, the second efflux runner sets up on the post forming module, comes the person of facilitating the use through the setting to first efflux runner to adopt the PC material to carry out first penetrating, then penetrates the setting of runner through the second and comes the person of facilitating the use to adopt PC + ABS material to carry out the second and penetrate.

Further, one shot forming module and post forming module constitute by a plurality of moulds, and through interconnect to the runner between the mould, the mould of one shot forming module and post forming module is different, comes the person of facilitating the use to carry out a plurality of shaping simultaneously through setting up to the mould and uses, comes the injection simultaneously through the runner and carries out the shaping and use.

Furthermore, the secondary molding module head still is provided with the unilateral runner, through the setting to the unilateral runner, avoids both sides all to set up the runner and leads to useless runner too many, only rotates 180 degrees backs the next time, through the design in the runner of front mould side with connect, form complete runner system.

Further, one shot forming module lower extreme still is provided with fixed bullet piece, fixed bullet piece includes joint piece and spring, joint piece and one shot forming module sliding connection, spring fixed mounting is at the lower extreme of joint piece, and through setting up to fixed bullet piece make things convenient for to stay the product in the front mould side through the bullet piece after the first injection molding, and the runner die sinking of first penetrating is followed the back mould and is ejected, can stay the front mould side with the product of first penetrating through the joint piece, and the position is unchangeable, guarantees that the back mould will be transferred and carry out the compound die and realize the jar package shaping.

Furthermore, the runner head is provided with an inlet pipe, the inlet pipe is connected with the runner in a sealing manner, and a user can conveniently spray and fill the material by arranging the inlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses it is the same that two back moulds are to have changed ordinary double-colored mould, two front forms are done differently, the back mould is through rotatory 180 degrees products of different shapes of alternative and front mould shaping, realize double-colored fashioned mode, adopt two back moulds to do differently, two front forms are done identically, also be the rotatory double-colored mould of back mould, the person of facilitating the use can be better carries out twice shaping and uses, and the fixed bullet piece of cooperation can carry out the in-process that the mould position exchanged at the rotatory 180 degrees of platform, it stays the front mould with the product to come stable, guarantee the rotatory back of back mould, the compound die can realize the bag shaping of irritating.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the device of the present invention for molding a mold;

fig. 2 is a perspective view of the device of the present invention;

FIG. 3 is a top view of the apparatus shown in FIG. 2;

FIG. 4 is a cross-sectional view of the device of FIG. 3 taken along the line A-A;

fig. 5 is a schematic structural view of the flow channel shown in fig. 2.

In the figure: 1. a front mold; 2. a rear mold; 21. a one-step molding module; 211. a mold; 22. A secondary molding module; 221. a single-sided flow channel; 24. fixing the elastic block; 241. a clamping block; 242. a spring; 3. a flow channel; 31. a first injection flow channel; 32. a second injection channel; 33. and (4) feeding a pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Referring to fig. 1, 2, 3, 4 and 5, a rotary bicolor mold with different rear molds comprises a front mold 1, a rear mold 2 and a runner 3, wherein the front mold 1 and the rear mold 2 are buckled with each other, the front mold 1 is set as a fixed mold, and the rotary bicolor mold with different rear molds is designed by researching the structure of the existing bicolor mold, so that the problems that the two rear molds are identical and the two front molds are different in the existing common bicolor mold, and the rear mold and the front mold are rotated 180 degrees to mold products with different shapes alternately are solved, so that bicolor molding is realized, secondary products are troublesome in secondary molding, flaws are easily caused, and the front mold 1 is set to ensure that the products can be stably fixed in the process of secondary molding, so that the accuracy of molding positions is ensured;

the rear die 2 is set as a movable die, the rear die 2 is provided with a primary forming die set 21 and a secondary forming die set 22, the primary forming die set 21 and the secondary forming die set 22 are symmetrically arranged on the upper end surface of the rear die 2, the purpose of secondary forming can be achieved by rotating the rear die 2 through the structural arrangement of the rear die 2, the primary forming die set 21 and the secondary forming die set 22 are both composed of a plurality of dies 211, the dies 211 are connected with each other through a runner 3, the dies 211 of the primary forming die set 21 and the secondary forming die set 22 are different, a user can simultaneously carry out a plurality of forming uses through the arrangement of the dies 211, the forming uses are simultaneously sprayed through the runner 3, the head of the secondary forming die set 22 is also provided with a single-side runner 221, and too many runners which are useless due to the arrangement of runners on two sides are avoided through the arrangement of the single-side runner 221, only after the next 180-degree rotation, a complete runner system is formed by designing a runner on the side of the front mold 1 and connecting the runner with the runner, the lower end of the one-time forming module 21 is further provided with a fixed elastic block 24, the fixed elastic block 24 comprises a clamping block 241 and a spring 242, the clamping block 241 is in sliding connection with the one-time forming module 21, the spring 242 is fixedly arranged at the lower end of the clamping block 241, the fixed elastic block 24 is arranged to facilitate the product to be left on the side of the front mold 1 through the elastic block after the first injection forming, the runner of the first injection is ejected out of the rear mold 2 after the mold opening, the product of the first injection is left on the side of the front mold 1 through the clamping block 241, the position is unchanged, and the rear mold 2 is ensured to be turned over to be closed to realize the can;

runner 3 sets up in the inside of back mould 2, runner 3's setting is come the person of facilitating the use to carry out first injection moulding and second injection moulding and is used, runner 3 includes that first injection runner 31 and second inject runner 32, first injection runner 31 sets up on one shot forming module 21, second injection runner 32 sets up on secondary forming module 22, it can adopt the PC material to carry out first injection to come the person of facilitating the use through the setting to first injection runner 31, then it can adopt PC + ABS material to carry out the second injection to come the person of facilitating the use through the setting of

second injection runner

32, 3 heads of runner are provided with inlet pipe 33,

inlet pipe

33 and 3 sealing connection of runner, come the person of facilitating the use to spray through the setting to inlet pipe 33 and irritate the material and use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a different rotatory double-colored mould of back mould, includes front mould (1), back mould (2) and runner (3), its characterized in that: front mould (1) and back mould (2) lock each other, front mould (1) sets up to the cover half, back mould (2) set up to the movable mould, and are provided with one shot forming module (21) and post forming module (22) on back mould (2), one shot forming module (21) and post forming module (22) symmetry set up the up end of back mould (2), runner (3) set up the inside at back mould (2).

2. A rotary two-color mold with different rear molds according to claim 1, wherein the runner (3) comprises a first runner (31) and a second runner (32), the first runner (31) is arranged on the primary molding die set (21), and the second runner (32) is arranged on the secondary molding die set (22).

3. The rotary bichromal mold with different rear molds as claimed in claim 2, wherein the primary molding die set (21) and the secondary molding die set (22) are composed of a plurality of molds (211), and the molds (211) are connected with each other through the runner pair (3), and the molds (211) of the primary molding die set (21) and the secondary molding die set (22) are different.

4. A rotary bichromal mold with a different rear mold according to claim 3, wherein the post-mold die set (22) head is further provided with a one-sided runner (221).

5. The rotary bicolor mold with different rear molds as claimed in claim 4, wherein the lower end of the one-step molding module (21) is further provided with a fixed elastic block (24), the fixed elastic block (24) comprises a clamping block (241) and a spring (242), the clamping block (241) is slidably connected with the one-step molding module (21), and the spring (242) is fixedly installed at the lower end of the clamping block (241).

6. A rotary bicolour mould with different rear moulds as claimed in claim 5, characterised in that the runner (3) is provided at the head with a feed pipe (33), said feed pipe (33) being sealingly connected to the runner (3).