CN213919397U

CN213919397U - Plastic box front and rear shell one-time forming injection mold

Info

Publication number: CN213919397U
Application number: CN202022871615.5U
Authority: CN
Inventors: 金莎莎; 金建华
Original assignee: Jiaxing Tianhao Industrial Co ltd
Current assignee: Jiaxing Tianhao Industrial Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-10
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a shell one shot forming injection mold around plastic box, including upper die base and die holder, be equipped with preceding shell forming die and backshell forming die on the upper die base, be equipped with preceding shell forming die groove and backshell forming die groove on the die holder, it has decorated the groove to dig on preceding shell forming die's the terminal surface, be equipped with the jack under the decorated groove, be equipped with the elastomer in the jack, the one end of elastomer is equipped with the end cap, the other end is equipped with the follower piece, the follower piece has first spacing ring, the drill way of jack has the second spacing ring that supports first spacing ring, be equipped with the decoration panel mould that buries the decorated groove in the preceding shell forming die groove, the decoration panel mould has the inserted bar, the wall of inserted bar is equipped with annular spacing groove, the side of die holder is equipped with the spacing screw of intercommunication jack, spacing screw female connection has stop screw. The one-step molding injection mold has the characteristics of convenience in mold changing, flexibility in use, perfect overall functions and strong practicability.

Description

Plastic box front and rear shell one-time forming injection mold

Technical Field

The utility model relates to an injection mold, more specifically say, it relates to a shell one shot forming injection mold around plastics case.

Background

The injection mold for partially manufacturing the plastic tank already performs the function of single molding the double shell. Therefore, two sets of mutually matched forming dies are arranged on the die, one set of the forming dies is used for forming the front case of the box body, and the other set of the forming dies is used for forming the rear case of the box body. Therefore, the utility model provides a shell one shot forming injection mold around plastic box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a shell one shot forming injection mold around plastic box, this one shot forming injection mold has the convenience of remodeling, uses nimble characteristics.

In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to an injection mold for one-step molding of front and back shells of a plastic box, which comprises an upper mold base and a lower mold base, wherein the upper mold base is provided with a front shell molding mold and a back shell molding mold, the lower mold base is provided with a front shell molding mold groove matched with the front shell molding mold and a back shell molding mold groove matched with the back shell molding mold, a decorative groove is dug on the end surface of the front shell molding mold, a jack opened at the bottom of the front shell molding mold groove is arranged under the decorative groove, an elastomer is arranged in the jack, one end of the elastomer is provided with an end cap, the other end of the elastomer is provided with a follow-up piece connected in the jack in a sliding way, the follow-up piece is provided with a first limiting ring, the orifice of the jack is provided with a second limiting ring for supporting the first limiting ring, a decoration panel mold embedded in the front shell molding mold groove is provided with an insertion rod inserted into the jack, the annular limiting groove is arranged on the wall surface of the insertion rod, and the side surface of the lower die base is provided with a limiting screw hole communicated with the jack, and the limiting screw hole is internally threaded with a limiting screw of which the end part extends into the annular limiting groove.

The utility model discloses further set up to: the limiting screw is a set screw.

The utility model discloses further set up to: the elastic body is a compression spring.

The utility model discloses further set up to: the lower die base is provided with a guide post inserted into the upper die base, and the guide post is slidably connected with a guide sleeve fixed on the upper die base.

To sum up, the utility model discloses following beneficial effect has: the utility model relates to a shell one shot forming injection mold around plastic box through the decoration panel mould of changing different surface patterns, realizes injection moulding and goes out shell before the different case to the shaping case backshell on the same mould of cooperation accomplishes the shaping of different boxes and makes, reduces mould manufacturing cost, and product manufacturing cost descends, and whole function is perfect, and the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention;

fig. 4 is a schematic structural diagram of the decorative panel mold of the present invention.

Detailed Description

In order to better understand the technical solutions of the present invention for those skilled in the art, the following preferred embodiments of the present invention are described in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further explaining the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. 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.

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Example 1

Referring to fig. 1 to 4, the plastic box front and rear shell one-step molding injection mold according to the embodiment includes an upper mold base 1 and a lower mold base 2, the upper mold base 1 is provided with a front shell molding mold 3 and a rear shell molding mold 4, the lower mold base 2 is provided with a front shell molding mold 5 matched with the front shell molding mold 3 and a rear shell molding mold 6 matched with the rear shell molding mold 4, a decorative groove 7 is dug on an end surface of the front shell molding mold 3, a jack 8 opened at a bottom of the front shell molding mold 5 is arranged right below the decorative groove 7, an elastic body 9 is arranged in the jack 8, one end of the elastic body 9 is provided with a plug 10, the other end of the elastic body is provided with a follower 11 slidably connected in the jack 8, the follower 11 is provided with a first limit ring 12, an orifice of the jack 8 is provided with a second limit ring 13 abutting against the first limit ring 12, a decorative panel mold 14 embedded in the decorative groove 7 is arranged in the front shell molding mold 5, the decorative panel die 14 is provided with an insert rod 15 inserted into the jack 8, the wall surface of the insert rod 15 is provided with an annular limiting groove 16, the side surface of the lower die holder 2 is provided with a limiting screw hole 17 communicated with the jack 8, and the limiting screw hole 17 is internally threaded with a limiting screw 18 of which the end part extends into the annular limiting groove 16.

Preferably, the limit screw 18 is a set screw.

Preferably, the elastic body 9 is a compression spring.

Further, a guide post 19 inserted into the upper die holder 1 is arranged on the lower die holder 2, and a guide sleeve 20 fixed on the upper die holder 1 is slidably connected to the guide post 19.

In this embodiment, the decorative panel mold 14 is taken out, the insert rod 15 is inserted into the insertion hole 8, in the process that the insert rod 15 is inserted into the insertion hole 8, the insert rod 15 pushes the follow-up piece 9, the elastic body 9 (i.e., the compression spring) is compressed, after the insert rod 15 is inserted into the insertion hole 8, the limit screw 18 (i.e., the set screw) is rotated, so that the end portion of the limit screw extends into the annular limit groove 16 to form axial limit, the decorative panel mold 14 is fixed, and the decorative panel mold 14 is matched with the decorative groove 7, so that the pattern features can be formed on the front case of the case in the process that the upper mold base 1 and the lower mold base 2 are closed.

By replacing different decorative panel moulds 14, boxes with different styles can be manufactured; and the decoration panel mould 14 is convenient to disassemble and change the model.

The first limiting ring 12 is matched with the second limiting ring 13, so that the follow-up piece 11 is prevented from being ejected out of the jack 8 by the elastic body 9, and a limiting effect is achieved.

The utility model relates to a shell one shot forming injection mold around plastic box through the decoration panel mould of changing different surface patterns, realizes injection moulding and goes out shell before the different case to the shaping case backshell on the same mould of cooperation accomplishes the shaping of different boxes and makes, reduces mould manufacturing cost, and product manufacturing cost descends, and whole function is perfect, and the practicality is strong.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship based on the actual orientation or positional relationship shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a shell one shot forming injection mold around plastic box, includes upper die base and die holder, be equipped with preceding shell forming die and backshell forming die on the upper die base, be equipped with the preceding shell forming die cavity of the preceding shell forming die of matching, match backshell forming die's backshell forming die cavity on the die holder, its characterized in that: the decorative groove is dug on the terminal surface of the front shell forming die, a jack which is arranged at the bottom of the front shell forming die groove is arranged under the decorative groove, an elastic body is arranged in the jack, one end of the elastic body is provided with a plug, the other end of the elastic body is provided with a follow-up piece which is connected in the jack in a sliding manner, the follow-up piece is provided with a first limiting ring, an orifice of the jack is provided with a second limiting ring which supports the first limiting ring, a decorative panel die which is embedded into the decorative groove is arranged in the front shell forming die groove, the decorative panel die is provided with an inserting rod which is inserted into the jack, the wall surface of the inserting rod is provided with an annular limiting groove, the side surface of the lower die holder is provided with a limiting screw hole communicated with the jack, and the end part of the internal thread of the limiting screw hole is connected with a limiting screw of the annular limiting groove.

2. The plastic box front and rear shell one-shot forming injection mold of claim 1, characterized in that: the limiting screw is a set screw.

3. The plastic box front and rear case one-shot forming injection mold according to claim 1 or 2, characterized in that: the elastic body is a compression spring.

4. The plastic box front and rear shell one-shot forming injection mold of claim 3, characterized in that: the lower die base is provided with a guide post inserted into the upper die base, and the guide post is slidably connected with a guide sleeve fixed on the upper die base.

5. The plastic box front and rear shell one-shot forming injection mold of claim 1, characterized in that: the lower die base is provided with a guide post inserted into the upper die base, and the guide post is slidably connected with a guide sleeve fixed on the upper die base.