CN215320346U

CN215320346U - Double-color mold with movable mold and fixed mold ejection function

Info

Publication number: CN215320346U
Application number: CN202121609807.7U
Authority: CN
Inventors: 韩宝双; 唐愈田; 白兆东; 周振玉
Original assignee: DALIAN HAOLIN PRECISION MOLD CO LTD
Current assignee: DALIAN HAOLIN PRECISION MOLD CO LTD
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-28
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a double-color mold with a movable and fixed mold ejection function, which comprises a primary mold and a secondary mold, wherein the primary mold and the secondary mold both comprise a fixed mold part and a movable mold part, and the fixed mold parts of the primary mold and the secondary mold are connected to the fixed side of a double-color molding machine, and the double-color mold is characterized in that: the fixed die part comprises a fixed die taking-off plate, a stripper plate, a pull-out plate and a fixed die plate are sequentially arranged below the fixed die taking-off plate, the movable die part comprises a movable die taking-off plate, a top plate bottom plate, a top rod plate, square iron and a movable die plate are sequentially arranged above the movable die taking-off plate, a fixed die core is arranged in the fixed die plate, a movable die core is arranged in the movable die plate, when the fixed die part and the movable die part are in a die closing state, the fixed die core and the movable die core surround to form a die cavity, the shapes of the inner cavities of the movable die core in the primary die and the secondary die are the same, and the shapes of the inner cavities of the fixed die core are different.

Description

Double-color mold with movable mold and fixed mold ejection function

Technical Field

The utility model relates to an injection mold, in particular to a double-color mold with a movable mold and a fixed mold ejection function.

Background

Injection molding is a method for producing and molding industrial products, and is mainly realized by using a molding machine and a matched mold. This process is the primary molding apparatus for injecting thermoplastic or thermoset materials into molds to form plastic articles of various shapes. Sometimes, an operation of secondary molding is required, and thus a two-color mold is required. Traditional double-colored mould is in the course of the work, when its movable mould side all has the secondary sizing material, just need all set up the runner in the movable mould side, but in view of the particularity of double-colored mould, the secondary of movable mould side advances gluey operation very difficult, need the mould to make very complicated retreat the position and let gluey action just can realize advancing gluey of movable mould side, that is to say two cover half structures of traditional double-colored mould are different, two movable mould structures are also different, its design cost and manufacturing cost are all higher relatively. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the double-color mold with the ejection function of the movable mold and the fixed mold, which has the advantages of simple structure, ingenious design, smooth and reliable action and low cost.

The technical solution of the utility model is as follows: the utility model provides a double-colored mould with ejecting function of movable mould cover, includes a type mould and quadratic form mould, a type mould and quadratic form mould all include cover half part and movable mould part, the cover half part of a type mould and quadratic form mould all connects on the fixed side of double-colored make-up machine, its characterized in that: the fixed die part comprises a fixed die taking-off plate 1, a stripper plate 2, a first drawing plate 3 and a fixed die plate 4 are sequentially arranged below the fixed die taking-off plate 1, the moving die part comprises a moving die taking-off plate 5, an ejector rod bottom plate 6, an ejector rod plate 7, square iron 8 and a moving die plate 9 are sequentially arranged above the moving die taking-off plate 5, a fixed die core 10 is arranged in the fixed die plate 4, a moving die core 11 is arranged in the moving die plate 9, when the fixed die part and the moving die part are in a die assembly state, the fixed die core 10 and the moving die core 11 surround to form a die cavity, the shapes of the internal cavities of the moving die core 11 in the primary die and the moving die 11 in the secondary die are the same, but the shapes of the internal cavities of the fixed die core 10 are different,

a moving and fixed die damping pin 12 is arranged between the moving die part and the fixed die part, an inner pull rod assembly 13 is arranged in the fixed die taking plate 1, a moving die ejector rod 14 is connected with the top end of the ejector rod bottom plate 6, the top end of the moving die ejector rod 14 is positioned in a cavity of the moving die core 11, a first pulling limiting assembly 15 is arranged in the fixed die plate 4,

the side core-pulling mechanism is arranged on two sides of the cavity symmetrically and comprises side draw-pins 16 movably connected in the fixed die plate 4, the top ends of the side draw-pins 16 are fixedly connected with the first drawing plate 3, inclined parts 17 are arranged at the bottoms of the side draw-pins 16, a slide block 19 is movably connected in the fixed die plate 4, inclined grooves are formed in the slide block 19, the inclined parts 17 are connected in the inclined grooves in a sliding mode, an insert is arranged at one end, facing the cavity, of the slide block 19, and when the fixed die part and the movable die part are in a die closing state, the insert is located at an inverted buckling position in the cavity,

the fixed die plate 4 is also internally provided with a fixed die paneling 20, the bottom end surface of the fixed die paneling 20 is sequentially connected with a fixed die ejector rod bottom plate 21 and a fixed die ejector rod plate 22, a spring 23 is arranged between the fixed die paneling 20 and the fixed die ejector rod bottom plate 21, a fixed die ejector rod 24 is arranged on the fixed die ejector rod bottom plate 21, the bottom end of the fixed die ejector rod 24 is positioned in a cavity of the fixed die core 10, and the bottom of the fixed die paneling 20 is also connected with a guide column 25 penetrating through the fixed die ejector rod bottom plate 21 and the fixed die ejector rod plate 22.

Compared with the prior art, the utility model has the following advantages:

the double-color mould with the structure form and the ejection function of the movable mould and the fixed mould has simple structure, ingenious design and reasonable layout, designs a special structure aiming at the problems of the traditional double-color mould in the working process, has the biggest characteristic that the ejection mechanisms are arranged at the movable mould side and the fixed mould side besides the side core-pulling structure, due to the structure, the inversion of the side of the fixed mold of the product can be realized, so that the two glue feeding operations can be realized from the side of the fixed mold, when a double-color mold is designed, the movable mould side can be designed into one, the injection molding operation of the double-color workpiece can be realized only by preparing two fixed mould side structures, the design difficulty of the mould is greatly simplified, the design cost and the production cost are reduced, therefore, the method has multiple advantages, is particularly suitable for popularization and application in the field, and has very wide market prospect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The following description will explain embodiments of the present invention with reference to the accompanying drawings. As shown in fig. 1: a double-color mold with a movable and fixed mold ejection function comprises a primary mold and a secondary mold, wherein the primary mold and the secondary mold both comprise a fixed mold part and a movable mold part, the fixed mold part of the primary mold and the secondary mold is connected to the fixed side of a double-color molding machine, the fixed mold part comprises a fixed mold ejection plate 1, a stripper plate 2, a first pulling plate 3 and a fixed mold plate 4 are sequentially arranged below the fixed mold ejection plate 1, the movable mold part comprises a movable mold ejection plate 5, an ejector rod bottom plate 6, an ejector rod plate 7, a square iron 8 and a movable mold plate 9 are sequentially arranged above the movable mold ejection plate 5, a fixed mold core 10 is arranged in the fixed mold plate 4, a movable mold core 11 is arranged in the movable mold plate 9, when the fixed mold part and the movable mold part are in a mold closing state, the fixed mold core 10 and the movable mold core 11 surround to form a mold cavity, and the shapes of the inner cavities of the movable mold core 11 in the primary mold and the secondary mold are the same, but the shape of the internal cavity of the stationary mold core 10 is different,

The working process of the double-color mold with the ejection function of the movable mold and the fixed mold provided by the embodiment of the utility model is as follows: the secondary forming machine drives the two fixed die parts to be respectively matched with the two movable die parts, after the primary die and the secondary die are matched, the secondary forming machine injects materials in a molten state into cavities of the two dies (the first material is injected into the primary die, and the second material is injected into the secondary die), the cavities are filled with the materials, cooling and forming are carried out, a primary formed product is formed in the primary die, and a waste product is formed in the secondary die; then the mould is opened, the product is left at one side of the fixed mould core 10, the secondary forming machine drives the two fixed mould parts to switch positions, the fixed mould ejector rod 24 in the fixed mould part of the secondary forming mould works to eject the waste, then closing the dies, wherein the fixed die part of the primary die and the movable die part of the secondary die are closed, the fixed mould part of the secondary mould is matched with the movable mould part of the primary mould, the secondary forming machine continuously injects materials into the cavities of the two moulds (the first material is injected at the side of the primary mould, the second material is injected at the side of the secondary mould), the materials are cooled and formed after the cavities are filled with the materials, forming a one-step formed product on the side of the primary mould, forming a needed two-color product on the side of the secondary mould, opening the mould, and a fixed mold ejector rod 24 in the fixed mold part of the primary mold works to eject the prepared two-color product, so that the preparation of the required two-color product is completed.

Repeating the above steps to obtain the desired two-color product.

When the mold is opened, the side draw pin 16 moves along with the first drawing plate 3, and the inclined part 17 at the bottom of the side draw pin drives the slide block 19 to horizontally move towards the direction away from the cavity, so that the insert at the end part of the slide block can be drawn out from the back-off position of the cavity, and the action of side core drawing is realized, so that the subsequent demolding operation is facilitated;

the ejection mechanism (the ejector rod bottom plate 6, the ejector rod plate 7 and the movable mold ejector rod 14) arranged in the movable mold part is used for leaving a product (whether a primary molded product or a secondary molded product) on the side of the fixed mold when the mold is opened so as to enable the product to move along with the switching of the fixed mold part;

the ejection mechanism (the fixed mold ejector bottom plate 21, the fixed mold ejector plate 22, and the fixed mold ejector 24) provided in the fixed mold part functions to eject the two-color product from the fixed mold core 10 after molding.

Claims

1. The utility model provides a double-colored mould with ejecting function of movable mould cover, includes a type mould and quadratic form mould, a type mould and quadratic form mould all include cover half part and movable mould part, the cover half part of a type mould and quadratic form mould all connects on the fixed side of double-colored make-up machine, its characterized in that: the fixed die part comprises a fixed die taking plate (1), a stripper plate (2), a first drawing plate (3) and a fixed die plate (4) are sequentially arranged below the fixed die taking plate (1), the movable die part comprises a movable die taking plate (5), an ejector rod bottom plate (6), an ejector rod plate (7), square iron (8) and a movable die plate (9) are sequentially arranged above the movable die taking plate (5), a fixed die core (10) is arranged in the fixed die plate (4), a movable die core (11) is arranged in the movable die plate (9), when the fixed die part and the movable die part are in a die assembly state, the fixed die core (10) and the movable die core (11) surround to form a die cavity, the shapes of the inner cavities of the movable die (11) in the primary die and the secondary die are the same, but the shapes of the inner cavities of the fixed die core (10) are different,

a movable die and a fixed die damping pin (12) are arranged between the movable die part and the fixed die part, an inner pull rod assembly (13) is arranged in the fixed die taking plate (1), a movable die ejector rod (14) is connected to the top end of the ejector rod bottom plate (6), the top end of the movable die ejector rod (14) is positioned in a cavity of the movable die core (11), a first pulling limiting assembly (15) is arranged in the fixed die plate (4),

the side core-pulling mechanism comprises side draw-pins (16) movably connected in a fixed die plate (4), the top ends of the side draw-pins (16) are fixedly connected with a first draw-plate (3), the bottoms of the side draw-pins (16) are provided with inclined parts (17), a sliding block (19) is movably connected in the fixed die plate (4), the sliding block (19) is provided with an inclined groove, the inclined parts (17) are slidably connected in the inclined grooves, one end of the sliding block (19) facing the die cavity is provided with an insert, and when the fixed die part and the movable die part are in a die assembly state, the insert is positioned at a back-off position in the die cavity,

still be provided with cover half paneling (20) in the fixed die plate (4), cover half ejector pin bottom plate (21) and cover half ejector pin board (22) have connected gradually on the bottom face of cover half paneling (20), be provided with spring (23) between cover half paneling (20) and cover half ejector pin bottom plate (21), then be provided with cover half ejector pin (24) on cover half ejector pin bottom plate (21), the bottom of cover half ejector pin (24) is located the cavity of cover half core (10), still is connected with guide post (25) that run through cover half ejector pin bottom plate (21) and cover half ejector pin board (22) in the bottom of cover half paneling (20).