CN204263635U - A kind of packing carton lower cover shaping mechanism - Google Patents

Abstract

The utility model provides a packing carton forming machine, which is a forming mechanism for the lower cover of the packing carton. It includes a lower mold with a cavity, and an upper mold fitted with the lower mold, wherein the upper mold is a rectangular assembled inner mold, the outer surface of the assembled inner mold surrounds the inner peripheral strip, and the assembled inner mold and the inner peripheral strip will be placed above the lower mold The lower cover cardboard is punched into the cavity to form the lower cover. In this process, the assembled inner mold and the inner wall bar punch the lower cover cardboard into the cavity to form the lower cover, so that the inner surface of the lower cover is bonded to the outer surface of the inner wall bar. The utility model presses the cardboard of the lower cover by assembling the inner mold and carrying the inner surrounding strips to form the lower cover. The work efficiency is improved, and the formed product is in a firm state, with strong tensile and compressive properties.

Description

A lower cover forming mechanism for a packaging carton

technical field

The utility model relates to a packaging carton forming machine, in particular to a packaging carton lower cover forming mechanism.

Background technique

The traditional method of forming the lower cover of the carton is to fold the cardboard of the lower cover manually, and finally paste the joint with paper. This forming method is gradually eliminated due to the long time consumption and high cost. Another way is to punch down through the mold, so that the cardboard enters the shaping mold to be formed, and then the inner peripheral strip coated with glue is attached to the inner surface of the lower cover. Although this method can form a lower cover with a relatively fixed shape, however, The assembly method will lead to uneven bonding between the inner wall strip and the lower cover, which may cause air bubbles in the slightest, and may cause deformation of the entire lower cover in severe cases, which is not conducive to the subsequent process.

Contents of the invention

The purpose of the utility model is to provide a lower cover forming mechanism of a packaging carton in view of the existing technical status, so as to realize the uniform bonding between the inner wall and the lower cover and ensure the product quality.

In order to achieve the above object, the utility model adopts the following technical solutions:

The utility model relates to a forming mechanism for a lower cover of a packaging carton, comprising a lower mold with a cavity, and an upper mold matched with the lower mold, the upper mold is a rectangular assembled inner mold, and the outer surface of the assembled inner mold surrounds the inner peripheral strip , assemble the inner mold and bring the inner perimeter strip to punch the lower cover cardboard placed above the lower mold into the cavity to form the lower cover.

Furthermore, the assembly inner mold is divided into four parts by its two diagonal lines, and each part is opened or closed by the cylinder to drive each part. When the inner wall surrounds the assembly inner mold, the assembly inner mold is in an open state. Assemble the inner mold with the inner perimeter strip and punch the lower cover cardboard placed above the lower mold into the cavity to form the lower cover, then assemble the inner mold to close and separate from the inner perimeter strip.

Further, corresponding manipulators are provided around the assembly inner mold.

Further, when the manipulators are closed, they are respectively attached to the outer surfaces of the sides of the inner perimeter bar, so as to prevent the inner perimeter bar from being deformed and detached from the assembly inner mold.

In the above solution, during the process of assembling the inner mold and stamping the inner perimeter strip into the cavity of the lower mold, the assembly inner mold stamps the lower cover cardboard into the cavity to form the lower cover, so that the inner surface of the lower cover is bonded to the outer surface of the inner perimeter strip .

In the above solution, the height of the inner wall is greater than the height of the lower cover.

In the above solution, the bonding part of the inner wall strip and the inner surface of the lower cover is coated with a viscous substance, so that the inner wall bar and the lower cover are bonded.

The beneficial effects of the utility model are:

1. Assemble the inner mold and carry the inner wall bar to punch down the cardboard of the lower cover. During the forming process of the lower cover, the edges of the cardboard are closed inwards to fit the inner wall bar. The bonding is even and free of air bubbles, and the formed product has a strong Tensile and compressive resistance;

2. The inner mold of the assembly is opened to make the inner wall reach the size that can completely fit the lower cover, and each manipulator is used to prevent the deformation of the inner wall before assembly;

3. After the inner wall is assembled with the lower cover, the assembly inner mold is closed, so that its surroundings are out of the state of being attached to the inner wall, so that it can be easily detached from the lower cover, and the inner wall is not involved in the process of assembling the inner mold, which will affect the product. quality.

Description of drawings:

Accompanying drawing 1 is the state diagram before the implementation of the utility model;

Accompanying drawing 2 is the state diagram of the implementation process of the utility model;

Accompanying drawing 3 is the structural representation of the lower cover of utility model;

Accompanying drawing 4 is the structural schematic diagram of the combination of the lower cover and the inner surrounding bar of the utility model.

Detailed ways:

In order to enable the review committee to have a further understanding of the purpose, features and functions of the present utility model, the preferred embodiments are hereby given in detail with the accompanying drawings as follows:

Please refer to Fig. 1-4, which is a schematic structural view of a preferred embodiment of the present invention. The present invention is a forming mechanism for a lower cover of a packaging carton, including a lower mold 1 with a cavity 11, and a The upper mold that fits the mold 1, the upper mold is a rectangular assembly inner mold 2, the outer surface of the assembly inner mold 2 surrounds the inner perimeter bar 3, and the assembled inner mold 2 carries the inner perimeter strip to punch the lower cover cardboard placed above the lower mold 1 The entry cavity 11 forms the lower cover 4 . Among them, the assembly inner mold 2 is divided into four parts by its two diagonal lines, and each part is opened or closed by the cylinder to drive each part. The fit size makes the two evenly fit; and the closed state is that after the inner wall 3 and the lower cover 4 are bonded, the assembly inner mold 2 is closed and separated from the bonding state with the inner wall 3, so that the assembly inner mold 2 Detach smoothly without damaging the product.

Further, corresponding manipulators 5 are provided around the assembly inner mold 2, and each manipulator 5 is attached to the outer surface of each side of the inner wall bar 3 when closed, so that the inner wall bar 3 remains in a fixed folded state, and will not be damaged due to The tension of the cardboard itself causes it to deform or break away from the assembly inner mold 2 .

In the above scheme, during the process of assembling the inner mold 2 and carrying the inner surrounding bar 3 and punching it into the cavity 11 of the lower mold, the assembling inner mold 2 stamps the lower cover cardboard into the cavity 11 to form the lower cover 4, so that the inner surface of the lower cover 4 is aligned with the inner surface. The outer surface of the surrounding bar 3 is attached, wherein, because the upper part of the inner surrounding bar 3 that is not attached to the lower cover 4 needs to be fitted with the upper cover in the subsequent process, the height of the inner surrounding bar 3 is greater than the height of the lower cover 4 , and evenly apply viscous substance to the bonding part of the inner wall strip 3 and the inner surface of the lower cover 4, so that it can be completely bonded with the lower cover 4.

   Of course, the above illustrations are only the preferred implementation modes of the utility model, and are not intended to limit the scope of application of the utility model. Therefore, any equivalent changes made on the principle of the utility model should be included in the protection scope of the utility model .

Claims (7)

1. A forming mechanism for the lower cover of a packaging carton, comprising a lower mold (1) with a cavity (11), and an upper mold fitted with the lower mold (1), characterized in that: the upper mold is a rectangular assembly Die (2), assemble the inner mold (2) on the outer surface to surround the inner perimeter strip (3), assemble the inner mold (2) and bring the inner perimeter strip to punch the lower cover cardboard placed above the lower mold (1) into the cavity (11 ) to form the lower cover (4). 2. A forming mechanism for the lower cover of a packaging carton according to claim 1, characterized in that: the assembled inner mold (2) is divided into four parts by its two diagonal lines, and each part is driven by a cylinder to Open or close all around. 3 . The forming mechanism for the lower cover of a packaging carton according to claim 1 , characterized in that: corresponding manipulators ( 5 ) are provided around the assembly inner mold ( 2 ). 4 . 4 . The forming mechanism for the lower cover of a packaging carton according to claim 3 , characterized in that, when the manipulators ( 5 ) are closed, they are attached to the outer surfaces of the sides of the inner wall ( 3 ). 5. A forming mechanism for the lower cover of a packaging carton according to any one of claims 1-4, characterized in that: the assembly inner mold (2) carries the inner perimeter strip (3) and presses into the cavity of the lower mold. During the process of assembling the cavity (11), the inner mold (2) punches the lower cover cardboard into the cavity (11) to form the lower cover (4), so that the inner surface of the lower cover (4) fits the outer surface of the inner peripheral strip (3) . 6 . The forming mechanism for the lower cover of a packaging carton according to claim 5 , characterized in that: the height of the inner perimeter strip ( 3 ) is greater than that of the lower cover ( 4 ). 7 . The forming mechanism for the lower cover of a packaging carton according to claim 5 , characterized in that: the inner surface of the inner wall ( 3 ) and the inner surface of the lower cover ( 4 ) is bonded with a viscous substance. 8 .