CN215512006U

CN215512006U - Mould for manufacturing bicolor bottle blank

Info

Publication number: CN215512006U
Application number: CN202121992878.XU
Authority: CN
Inventors: 林勇波; 罗海龙; 梁鉴壬; 张连飞
Original assignee: Guangzhou Huayan Precision Machinery Co ltd
Current assignee: Guangzhou Huayan Precision Machinery Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-14
Anticipated expiration: 2031-08-23

Abstract

A mould for manufacturing a bicolor bottle blank comprises a forming part and a hot runner system, wherein the forming part comprises a male mould, a female mould and a forming cavity formed when the male mould and the female mould are matched; the hot runner system comprises a first runner plate and a second runner plate, the first runner plate is provided with a first hot runner, the first runner plate is connected with the back surface of the female die, and the first hot runner is communicated with the molding cavity; the second runner plate is provided with a second hot runner, the second runner plate is connected with the side face of the female die, and the second hot runner is communicated with the molding cavity. This make mould of double-colored bottle embryo can pour into the shaping intracavity of this mould into simultaneously with the material of two kinds of colours, produces the bottle embryo that has individualized look colour, and this mould simple structure, cost are cheap moreover.

Description

Mould for manufacturing bicolor bottle blank

Technical Field

The utility model relates to the technical field of injection molds, in particular to a mold for manufacturing a bicolor bottle blank.

Background

Generally, a plastic bottle is produced by using Polyester (PET), Polyethylene (PE), polypropylene (PP), or the like as a raw material, heating the raw material to a molten state, performing injection molding to form a bottle preform, and finally performing blow molding on the bottle preform to form a finished plastic bottle.

Generally, before purchasing bottled products, consumers cannot touch the products, so that the market has the problem that the consumers purchase counterfeit products, and therefore, product enterprises generally can make anti-counterfeiting marks on packages, stickers or labels of the products and the like to enable the consumers to distinguish the authenticity of the products sold in the market.

At present, a double-material injection molding material product is available in the market, namely two different materials are injected into the same set of mold, so that the molding process of the injection molded part formed by the two materials is realized. Some two materials are different in color, and some materials are different in hardness, so that the attractiveness, assembly and other performances of the product are improved. However, the structure of the mold for producing the product is complex, the manufacturing cost of the mold is very expensive, and the daily maintenance cost of the mold is very high.

SUMMERY OF THE UTILITY MODEL

In order to solve the related technical problems of the background art, the utility model provides a die for manufacturing a bicolor bottle blank, which can simultaneously inject materials with two colors into a forming cavity of the die to produce the bottle blank with personalized color, and the die has simple structure and low manufacturing cost, and the specific technical scheme of the utility model is as follows:

the mold for manufacturing the bicolor bottle blank comprises a molding part and a hot runner system, wherein the molding part comprises a male mold, a female mold and a molding cavity formed when the male mold and the female mold are assembled.

The hot runner system comprises a first runner plate and a second runner plate, the first runner plate is provided with a first hot runner, the first runner plate is connected with the back surface of the female die, and the first hot runner is communicated with the molding cavity; the second runner plate is provided with a second hot runner, the second runner plate is connected with the side face of the female die, and the second hot runner is communicated with the molding cavity.

Furthermore, the die comprises a die cavity base and a die cavity flange which are fixedly connected, the back of the die cavity base is connected with the first flow channel plate, the die cavity base is provided with a first interface connected with the first hot runner, the side surface of the die cavity flange is connected with the second flow channel plate, and the die cavity flange is provided with a second interface connected with the second hot runner.

Furthermore, the first runner plate is further provided with a first sprue bush and a first nozzle which are respectively connected with two ends of the first hot runner, and the first nozzle is embedded into the first interface.

Further, the central line of the first hot runner and the central line of the molding cavity are arranged on the same horizontal plane.

Furthermore, the second runner plate is also provided with a second sprue bush and a second nozzle which are respectively connected with two ends of the second hot runner, and the second nozzle is embedded into the second interface.

Further, the central line of the second hot runner is perpendicular to the central line of the molding cavity.

Further, the male die comprises a mounting seat, a die core and a screw, the die core is fixedly mounted on the mounting seat, and the screw is sleeved outside the die core and movably mounted on the mounting seat.

Further, the device also comprises an auxiliary plate, and the auxiliary plate is connected with the back surface of the male die.

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

1. injecting two raw materials with different colors into the same forming container, and controlling the glue feeding time and the glue feeding amount of the two raw materials according to requirements so as to segment the colors of the bottle blanks and form different specific color gradient areas, thereby producing the bottle blanks with personalized colors. Therefore, the produced bottle has unique appearance, and because parameters such as the flow channel design of the die, the feeding time, the feeding amount and the like are only mastered in a product enterprise, a counterfeit manufacturer is difficult to imitate, a better distinguishing mode is provided for consumers, the disordered market of counterfeit products is effectively prevented, the rights and interests of consumption are guaranteed, and the market value of the product enterprise can also be improved.

2. The double-color bottle blank mold is simple in structure, low in cost for manufacturing the mold and low in mold maintenance cost, does not need to increase more cost investment while protecting the product market, and ensures production benefits.

Drawings

FIG. 1 is a sectional view of a mold for manufacturing a two-color bottle preform according to the present invention;

FIG. 2 is a cross-sectional view of a molded part of the present invention;

FIG. 3 is a perspective view of a movable mold part of the present invention;

FIG. 4 is a perspective view of the stationary mold part of the present invention;

FIG. 5 is a cross-sectional view taken along A-A of FIG. 1 in accordance with the present invention;

the reference numbers illustrate: a male die 1; a female die 2; a molding cavity 3; a first flow field plate 4; a second flow field plate 5; a first hot runner 41; a second hot runner 51; a cavity base 21; a cavity flange 22; a first interface 211; a second interface 221; the first sprue bushing 42; a first nozzle 43; a second sprue bush 52; the second nozzle 53; a mounting base 11; a core 12; a screw port 13; an attachment plate 6.

Detailed Description

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are a few embodiments of the utility model, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Examples

This embodiment provides a mould of manufacturing double-colored bottle embryo, can pour into the material of two kinds of colours into the shaping intracavity of this mould simultaneously, produces double-colored bottle embryo, and this mould simple structure, cost are cheap moreover, and the concrete technical scheme of this embodiment is as follows:

referring to fig. 1 to 5, a mold for manufacturing a bicolor bottle blank comprises a molding part and a hot runner system, wherein the molding part comprises a male mold 1, a female mold 2 and a molding cavity 3 formed when the male mold 1 and the female mold 2 are closed; in this embodiment, the mold has two molding cavities 3, and two bottle blanks can be produced in one process. In addition, in the present example, the production material used is Polyester (PET), and in other embodiments, Polyethylene (PE), polypropylene (PP), other plastic materials may also be used.

The hot runner system includes a first flow field plate 4 and a second flow field plate 5. In this embodiment, first flow field plate 4 and second flow field plate 5 all include injection plate, flow distribution plate, the connecting plate of fixed connection in proper order, and the injection mechanism of injection plate and two material injection machines is connected, and the flow distribution plate is equipped with intercommunication sprue and two subchannel each other, and die 2 is connected to the connecting plate. In addition, the flow distribution plate is also provided with a heating pipe (not shown), the heating pipe is connected with a temperature control box (not shown), and the heating pipe is controlled by the temperature control box, so that the temperature of the Polyester (PET) in a molten state is kept unchanged in the flowing process of the hot runner. In addition, the first runner plate 4 also comprises a fixed die holder which is fixedly connected on the double-material injection molding machine.

The first runner plate 4 is provided with a first hot runner 41, the first runner plate 4 is connected with the back surface of the female die 2, and the first hot runner 41 is communicated with the molding cavity 3; the second runner plate 5 is provided with a second hot runner 51, the second runner plate 5 is connected with the side surface of the female die 2, and the second hot runner 51 is communicated with the molding cavity 3. The first runner plate 4 is connected with the back surface of the female die 2, the first hot runner 41 is communicated with the molding cavity 3, the second runner plate 5 is connected with the side surface of the female die 2, and the second hot runner 51 is communicated with the molding cavity 3. In this embodiment, two different colors of Polyester (PET) are injected into the molding cavity 3 simultaneously through the injection mechanism of the two-material injection molding machine, respectively, including the first color of Polyester (PET) injected from the bottom of the molding cavity 3 and the second color of Polyester (PET) injected from the side of the molding cavity 3, to produce two colors of bottle blanks. Specifically, the bottle blanks with personalized colors are produced by controlling the glue feeding time and the glue feeding amount of Polyester (PET) with two colors so as to segment the colors of the bottle blanks and form different special color gradient areas.

Referring to fig. 1 to 5, further, the female mold 2 includes a cavity base 21 and a cavity flange 22 fixedly connected to each other, a back surface of the cavity base 21 is connected to the first runner plate 4, the cavity base 21 is provided with a first port 211 connected to the first hot runner 41, a side surface of the cavity flange 22 is connected to the second runner plate 5, and the cavity flange 22 is provided with a second port 221 connected to the second hot runner 51. The female die 2, the first runner plate 4 and the second runner plate 5 jointly form a fixed die part of the die and are fixedly arranged on a double-material injection molding machine.

Referring to fig. 1 to 5, the first runner plate 4 further includes a first sprue bush 42 and a first nozzle 43 respectively connected to two ends of the first hot runner 41, and the first nozzle 43 is inserted into the first port 211. The first sprue bush 42 is connected with a first injection mechanism of the two-material injection molding machine. In the present embodiment, the first hot runner 41 includes a main runner and two branch runners (explained in the front runner plate), and the two branch runners are respectively connected to the two first nozzles 43. Specifically, the first color Polyester (PET) enters a main flow channel of a first hot runner 41, then is divided, and then enters one end of each of the two molding cavities 3 close to the hot runner through a first nozzle 43 from a branch flow channel.

Referring to fig. 1 to 5, further, the central line of the first hot runner 41 and the central line of the molding cavity 3 are disposed on the same horizontal plane. In the present embodiment, the center lines of the two molding cavities 3 are respectively arranged on the same horizontal line as the two first nozzles 43.

Referring to fig. 1 to 5, further, the second runner plate 5 is further provided with a second sprue bush 52 and a second nozzle 53 respectively connected to two ends of the second hot runner 51, and the second nozzle 53 is inserted into the second port 221. The second sprue bush 52 is connected with a second injection mechanism of the two-material injection molding machine. In the present embodiment, the second flow channel 24 includes a main flow channel and two branch flow channels (explained in the front flow distribution plate), and the two branch flow channels are respectively connected to the two second nozzles 53. Specifically, the second color Polyester (PET) enters the main flow channel of the second hot runner 51, then is divided, and then passes through the second nozzle 53 from the branch flow channel to enter the two molding cavities 3 respectively.

Referring to fig. 1 to 5, further, the central line of the second hot runner 51 is perpendicular to the central line of the molding cavity 3. In this embodiment, the second nozzle 53 is perpendicular to the horizontal plane, and the center line of the second nozzle 53 perpendicularly intersects the center line of the molding cavity 3.

Referring to fig. 1 to 5, further, the male mold 1 includes a mounting seat 11, a core 12 and a screw 13, the core 12 is fixedly mounted on the mounting seat 11, and the screw 13 is sleeved outside the core 12 and movably mounted on the mounting seat 11. The screw ports 13 are frustum-shaped lantern rings, can be symmetrically opened, can form part of the outer wall of the forming cavity 3 when the die is closed, have a clamping function, clamp the bottle blank firstly when the die is separated, open the screw ports 13 after the bottle blank completely leaves the female die 2, and manually take out the bottle blank to complete the process of product demoulding.

Referring to fig. 1 to 5, further, the device further includes an auxiliary plate 6, and the auxiliary plate 6 is connected to the back of the male mold 1. The accessory plate 6 and the male die 1 jointly form a movable die part, the accessory plate 6 further comprises a guide pillar, and the fixed die part further comprises a guide sleeve matched with the guide pillar. In the process of die assembly and die separation, positioning and guiding are realized through the matching of the guide pillar and the guide sleeve.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all equivalent technical changes that can be made by applying the present invention are included in the scope of the present invention.

Claims

1. The mold for manufacturing the bicolor bottle blank is characterized by comprising a molding part and a hot runner system, wherein the molding part comprises a male mold (1), a female mold (2) and a molding cavity (3) formed when the male mold (1) and the female mold (2) are matched;

the hot runner system comprises a first runner plate (4) and a second runner plate (5), wherein the first runner plate (4) is provided with a first hot runner (41), the first runner plate (4) is connected with the back surface of the female die (2), and the first hot runner (41) is communicated with the molding cavity (3); the second runner plate (5) is provided with a second hot runner (51), the second runner plate (5) is connected with the side surface of the female die (2), and the second hot runner (51) is communicated with the molding cavity (3).

2. The mold for manufacturing the bicolor bottle blank according to claim 1, wherein the female mold (2) comprises a fixedly connected cavity base (21) and a cavity flange (22), the back surface of the cavity base (21) is connected with the first runner plate (4), the cavity base (21) is provided with a first interface (211) connected with the first hot runner (41), the side surface of the cavity flange (22) is connected with the second runner plate (5), and the cavity flange (22) is provided with a second interface (221) connected with the second hot runner (51).

3. The mold for manufacturing a bi-color bottle blank as set forth in claim 2, wherein the first runner plate (4) is further provided with a first sprue bush (42) and a first nozzle (43) respectively connected to both ends of the first hot runner (41), and the first nozzle (43) is inserted into the first port (211).

4. A mold for making bicolor bottle preforms according to claim 3, characterized in that the centre line of the first hot runner (41) and the centre line of the forming cavity (3) are arranged on the same horizontal plane.

5. The mold for manufacturing a bi-color bottle blank as set forth in claim 2, wherein the second runner plate (5) is further provided with a second sprue bush (52) and a second nozzle (53) respectively connected to both ends of the second hot runner (51), and the second nozzle (53) is inserted into the second port (221).

6. The mold for manufacturing a bicolored bottle preform according to claim 5, characterized in that the center line of the second hot runner (51) is perpendicular to the center line of the forming cavity (3).

7. The mold for manufacturing the bicolor bottle blank according to claim 1, wherein the male mold (1) comprises a mounting seat (11), a core (12) and a screw (13), the core (12) is fixedly installed on the mounting seat (11), and the screw (13) is sleeved outside the core (12) and movably installed on the mounting seat (11).

8. The mold for manufacturing a bicolor bottle blank according to claim 1, further comprising an accessory plate (6), wherein the accessory plate (6) is connected with the back surface of the male mold (1).