CN212400182U

CN212400182U - Transfer printing injection mold in automobile front panel mold

Info

Publication number: CN212400182U
Application number: CN202020871942.8U
Authority: CN
Inventors: 陈昶安
Original assignee: Zhejiang Sanlei Mould & Plastic Co ltd
Current assignee: Zhejiang Sanlei Mould & Plastic Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-26
Anticipated expiration: 2030-05-22

Abstract

An injection mold for transfer printing in an automobile front panel mold comprises a mold fixed mold and a movable mold compound plate, wherein a sprue, a cushion block, a hot runner support and a fixed mold plate are arranged on the fixed mold compound plate, mold feet, a top plate and a movable mold plate are installed on the movable mold compound plate, a mold cavity is arranged between the movable mold plate and the fixed mold plate, a positioning mechanism is arranged in the mold cavity at the side of the fixed mold, hot nozzles arranged laterally are connected to the lower part of the hot runner support, a small slide block is arranged on the movable mold plate, a hidden sprue is arranged on the small slide block, during injection molding, a decorative membrane matched with the mold cavity is arranged on the positioning mechanism, the decorative membrane is integrally injected into an automobile front panel with the decorative membrane, a thimble is connected to the top plate, the thimble penetrates through the movable mold plate to be contacted with the formed automobile front panel with the decorative membrane, during mold opening, the top plate drives the thimble to jack up, the excess material in the submarine gate is broken, so that the automobile front panel with the decorative film is smoothly demoulded.

Description

Transfer printing injection mold in automobile front panel mold

Technical Field

The utility model relates to an adversion impression injection mould in car front panel mould belongs to the injection mold field.

Background

The plastic products, such as automobile front panels and the like, are produced by adopting the injection mold, and along with the continuous development of the automobile industry, people have higher and higher requirements on the automobile surface decoration quality, particularly on the decoration of the automobile front panels. At present, the front panel of an automobile is mainly decorated by firstly performing injection molding on a front panel main body through an injection mold, and then improving the decoration colors of rich products through technologies such as printing, spraying and the like, and the quality of the printing and spraying surfaces is poor, so that a satisfactory product is difficult to achieve. Meanwhile, printing and spraying are processed for many times, so that production raw materials and energy are wasted, the production cost of ornaments is increased, serious environmental pollution is caused, and the health of workers is harmed. Therefore, the traditional production mode can not meet the requirements of modern automobile appearance decoration and environmental protection, and particularly for the automobile front panel, a brand new injection mold for integrally molding the decorative plate main body and printing is required to be developed.

Disclosure of Invention

The utility model aims at overcoming prior art's shortcoming, provide one kind and combine together traditional injection moulding technique and surface material application technique, make the integrative injection moulding of decorative diaphragm and front panel main part, need not to process in addition, save the cost, pollution abatement, green's rendition injection mold in car front panel mould.

The utility model discloses rendition injection mold in car front panel mould's technical scheme is: the injection molding die is characterized by comprising a fixed die compound plate and a movable die compound plate, wherein a sprue is arranged in the fixed die compound plate, a cushion block is arranged below the fixed die compound plate, a hot runner support is arranged between the cushion blocks, a fixed die plate is arranged below the cushion block, die feet are arranged on the movable die compound plate, a top plate is arranged between the die feet, a movable die plate is arranged on the die feet, a die cavity is arranged between the movable die plate and the fixed die plate, a positioning mechanism is arranged in the die cavity at the side of the fixed die, 2-8 hot nozzles which are arranged laterally are connected to the lower side of one side of the hot runner support, a small slide block is arranged on the movable die plate corresponding to each hot nozzle in a sliding manner, a hidden sprue is arranged on the small slide block, the hidden sprue is communicated with the die cavity, the hot nozzles penetrate through the fixed die plate and are communicated with the hot nozzles, a decorative membrane matched with the die cavity is arranged, and with decorating the integrative automobile front panel of moulding plastics area decoration diaphragm of diaphragm, the roof on connect the thimble, the thimble passes the movable mould board and contacts with the fashioned automobile front panel of area decoration diaphragm, during the die sinking, drive the roof by ejecting power, the roof drives the thimble and jacks up the automobile front panel of area decoration diaphragm, simultaneously, drives little slider cunning outward by slide mechanism, breaks and remains the clout of hiding in the runner, makes the smooth drawing of patterns of automobile front panel of area decoration diaphragm.

The utility model discloses an automobile front panel mould adversion injection mould, decoration diaphragm be so as to regard as an inserts, set up in the die cavity of deciding the mould side, the injection mold of this type of design, traditional way is to set up the runner in the movable mould side of mould, be called the flip-chip mould in the line promptly, parts such as hot runner support and hot mouth all set up in moving the mould side, often take place to interfere with the thimble, the inner structure of mould is very complicated, the processing degree of difficulty is big, and is with high costs. This scheme is with hot runner support and hot mouth normal setting in the cover half side, can save the cost. And will heat the mouth side direction and arrange and connect under one side of hot runner support, through set up the runner of hiding on little slider again, realize that the die cavity side is gone into, plastic materials gets into from one side of die cavity, fill whole die cavity again, will decorate the integrative injection moulding of diaphragm, the transfer printing in the mould promptly, will decorate the diaphragm and put into injection mould with the integrative injection moulding of plastic products, it is the prefab to decorate the diaphragm, can have multiple color, and can set up various patterns on decorating the diaphragm, make the outward appearance of automobile front panel abundanter, pleasing to the eye. The positioning mechanism ensures that the decorative membrane does not shift, and the pouring speed is ensured by the plurality of hot nozzles, so that the molded automobile front panel with the decorative membrane has high yield and good quality.

The utility model discloses an automobile front panel in-mold reprint injection mold, positioning mechanism include that the die cavity middle part of inclining at the cover half sets up the automobile front panel car logo seat die cavity of taking the draw-in groove, set up the car logo thru hole on the decorative film piece, car logo thru hole card is gone into in the draw-in groove, and the peripheral die cavity periphery looks chucking of the periphery of decorative film piece and cover half side. During injection molding, the car logo seat is formed in the car logo seat cavity, and the decorative membrane is exposed out of the car logo seat. The middle part of the decorative membrane is clamped by the clamping groove, the periphery of the decorative membrane is clamped with the periphery of the die cavity, and the positioning is reliable. The sliding mechanism comprises an inclined guide hole arranged in the small sliding block, an inclined guide post connected below the fixed die plate, and the inclined guide post is matched with the inclined guide hole. When the mold is opened, the movable mold plate is driven by the power of the injection molding machine to be separated from the fixed mold plate, the small slide block is separated from the movable mold plate, and the inclined guide post is connected to the fixed mold plate and is fixed, so that in the mold opening process, the small slide block is driven to slide outwards to break the excess material in the hidden gate. The ejection power is an oil cylinder, the cylinder body of the oil cylinder is fixed on the top plate, the piston rod of the oil cylinder is connected to the movable mould compound plate, and the ejection power of the oil cylinder is reliable. The two sides of the top plate extend out of the mould feet, and the oil cylinders are fixed on the two side parts of the top plate extending out of the mould feet, so that the ejection is stable.

Drawings

FIG. 1 is a schematic structural view of an injection mold for transfer printing in a front panel mold of an automobile according to the present invention;

FIG. 2 is a schematic view of the connection of the hot nozzle in a lateral arrangement according to the present invention;

FIG. 3 is a schematic view of the positioning structure arranged in the decorative film and the fixed mold side mold cavity of the present invention;

fig. 4 is a schematic view of the submarine gate provided on the small slide block of the present invention.

Detailed Description

The utility model relates to an injection mould for automobile front panel in mould, as shown in figure 1-figure 4, comprising a fixed mould compound plate 1 and a movable mould compound plate 2, a sprue 3 is arranged in the fixed mould compound plate, a cushion block 4 is arranged under the fixed mould compound plate, a hot runner support 5 is arranged between the cushion blocks, a fixed mould plate 6 is arranged under the cushion blocks, a mould foot 7 is arranged on the movable mould compound plate 2, a top plate 8 is arranged between the mould feet, a movable mould plate 9 is arranged on the mould foot, a mould cavity is arranged between the movable mould plate 9 and the fixed mould plate 6, a positioning mechanism is arranged in the mould cavity at the side of the fixed mould, 2-8 hot nozzles 11 arranged laterally are connected under one side of the hot runner support 5, a small slide block 12 is arranged on the movable mould plate 9 corresponding to each hot nozzle 11 in a sliding way, a hidden sprue 13 is arranged on the small slide block, the hidden sprue 13 is communicated with the mould cavity, the hot nozzle 11 passes through the fixed mould plate 6 and is communicated with the hot nozzle 11, the plastic raw material is injected from the sprue 3, and is injected into the die cavity from the side direction through the hot runner support 5, the hot nozzle 11, the small slide block 12 and the submarine sprue 13 in sequence, and is injected into the automobile front panel 15 with the decorative membrane integrally with the decorative membrane 10, the top plate 8 is connected with the ejector pin 16, the ejector pin penetrates through the movable die plate 9 to be in contact with the formed automobile front panel 15 with the decorative membrane, when the die is opened, the top plate 8 is driven by ejection power, the top plate 8 drives the ejector pin 16 to jack up the automobile front panel 15 with the decorative membrane, meanwhile, the small slide block 12 is driven by the sliding mechanism to slide outwards, the residual material in the submarine sprue 13 is broken, and the automobile front panel 15 with the decorative membrane is smoothly demoulded. The decorative membrane 10 of this scheme is equivalent to as an inserts, sets up in the die cavity of deciding the mould side, and the injection mold of this kind of design, traditional way is with runner 3 setting in the movable mould side of mould, is called the flip-chip mould in the line promptly, and parts such as hot runner support 5 and hot mouth 11 all set up in the movable mould side, often take place to interfere with the thimble, and the inner structure of mould is very complicated, and the processing degree of difficulty is big, and is with high costs. The hot runner support 5 and the hot nozzle 11 are normally arranged on the fixed die side, so that the cost can be saved. And arrange the hot mouth 11 side direction and connect under one side of hot runner support 5, again through set up runner 13 of hiding on little slider 12, realize that the die cavity side is gone into, plastic materials gets into from one side of die cavity, fill whole die cavity again, will decorate 10 integrative injection moulding of diaphragm, the transfer printing in the mould promptly, just put into injection mold with the integrative injection moulding of plastic products with decorating the diaphragm, it is the prefab to decorate the diaphragm, can have multiple color, and can set up various patterns on decorating the diaphragm, make the outward appearance of automobile front panel abundanter, pleasing to the eye. The positioning mechanism ensures that the decorative membrane 10 does not shift, and the pouring speed is ensured by the plurality of hot nozzles, so that the molded automobile front panel 15 with the decorative membrane has high yield and good quality. The positioning mechanism comprises a car front panel car logo seat cavity 21 with a clamping groove 20 arranged in the middle of a cavity on the side of the fixed die, a car logo through hole 22 is arranged on the decorative membrane 10, the car logo through hole 22 is clamped in the clamping groove 20, and the periphery of the decorative membrane 10 is clamped with the periphery of the cavity on the side of the fixed die. During injection molding, the car logo seat is formed in the car logo seat cavity, and the decorative membrane is exposed out of the car logo seat. The middle part of the decorative membrane is clamped by the clamping groove, the periphery of the decorative membrane is clamped with the periphery of the die cavity, and the positioning is reliable. The sliding mechanism comprises an inclined guide hole 25 arranged in the small sliding block 12, an inclined guide post 26 connected below the fixed die plate 6, and the inclined guide post 26 matched with the inclined guide hole 25. When the mold is opened, the movable mold plate is driven by the power of the injection molding machine to be separated from the fixed mold plate, the small slide block is separated from the movable mold plate, and the inclined guide post is connected to the fixed mold plate and is fixed, so that in the mold opening process, the small slide block is driven to slide outwards to break the excess material in the hidden gate. The ejection power is an oil cylinder 28, the cylinder body of the oil cylinder is fixed on the top plate 8, the piston rod of the oil cylinder is connected to the movable mould compound plate 2, and the ejection power of the oil cylinder is reliable. The two sides of the top plate 8 extend out of the mould feet 7, and the oil cylinders 28 are fixed on the two side parts of the top plate extending out of the mould feet, so that the ejection is stable.

Claims

1. An injection mold for transfer printing in an automobile front panel mold is characterized by comprising a fixed mold compound plate (1) and a movable mold compound plate (2), wherein a sprue (3) is arranged in the fixed mold compound plate, cushion blocks (4) are arranged below the fixed mold compound plate, hot runner supports (5) are arranged between the cushion blocks, a fixed mold plate (6) is arranged below the cushion blocks, mold feet (7) are arranged on the movable mold compound plate (2), a top plate (8) is arranged between the mold feet, a movable mold plate (9) is arranged on the mold feet, a mold cavity is arranged between the movable mold plate (9) and the fixed mold plate (6), a positioning mechanism is arranged in the mold cavity at the side of the fixed mold, 2-8 hot nozzles (11) arranged laterally are connected below one side of the hot runner supports (5), small slide blocks (12) are arranged on the movable mold plate (9) corresponding to each hot nozzle (11) in a sliding manner, hidden sprue (13) is arranged on each small slide block, the hidden sprue (13) is communicated with the mold cavity, during injection molding, a decorative membrane (10) matched with the mold cavity is arranged on the positioning mechanism, plastic raw materials are injected from the sprue (3) and are injected into the mold cavity from the side direction through the hot runner bracket (5), the hot nozzle (11), the small slide block (12) and the submarine sprue (13) in sequence, and is integrally injected with the decorative film (10) to form the front panel (15) of the automobile with the decorative film, the top plate (8) is connected with a thimble (16), the thimble passes through the movable mould plate (9) to be contacted with the formed automobile front panel (15) with the decorative membrane, when the mould is opened, the ejection power drives the top plate (8), the top plate (8) drives the ejector pin (16) to jack up the automobile front panel (15) with the decorative membrane, meanwhile, the sliding mechanism drives the small sliding block (12) to slide outwards, and excess materials in the submarine gate (13) are broken, so that the automobile front panel (15) with the decorative film is smoothly demoulded.

2. The in-mold transfer molding tool for automobile front panels as claimed in claim 1, wherein the positioning mechanism comprises an automobile front panel emblem seat cavity (21) having a locking groove (20) formed in the middle of the cavity on the stationary mold side, the decorative film (10) has an emblem through hole (22), the emblem through hole (22) is locked in the locking groove (20), and the periphery of the decorative film (10) is locked to the periphery of the cavity on the stationary mold side.

3. The in-mold transfer injection molding tool for the front panel of the automobile according to claim 1, wherein the sliding mechanism comprises an inclined guide hole (25) provided in the small slide block (12), and an inclined guide post (26) connected below the fixed mold plate (6), the inclined guide post (26) being engaged with the inclined guide hole (25).

4. The in-mold transfer injection mold for an automobile front panel according to claim 1, wherein the ejection power is a cylinder (28) whose cylinder body is fixed to the top plate (8) and whose piston rod is connected to the movable platen (2).

5. The in-mold transfer molding injection mold for the automobile front panel according to claim 4, characterized in that the mold legs (7) extend from both sides of the top plate (8), and the oil cylinders (28) are fixed to both side portions of the top plate extending from the mold legs.