CN221115109U - Ash board paper packaging box - Google Patents

Abstract

The utility model provides a gray board paper packaging box, which comprises a plurality of gray board paper unit paperboards which are connected and combined with each other, wherein a first connecting surface which is matched with other gray board paper unit paperboards to jointly form a required splicing angle is arranged on the gray board paper unit paperboards, a connecting part used for coating water-based adhesive is convexly arranged on the first connecting surface, and the connecting part is provided with a second connecting surface which is inclined compared with the first connecting surface; the packaging paper box ensures that the gray board paper is excessively matched when the gray board paper is primarily mutually spliced, and a compression allowance is reserved after the water-based adhesive is wetted, so that the gray board paper unit paper board is extruded when the gray board paper unit paper board is spliced, and the joint part is compressed until a required splicing angle is formed, so that the bonding part is more compact and is not easy to deform after being formed; and after the gray board paper board is processed into the paper box, the gray board paper board is firm enough to directly meet the use requirement, so that the gray board paper board can be directly printed on the gray board paper, the appearance is attractive, and the resources are saved.

Description

Ash board paper packaging box

Technical Field

The utility model relates to the field of paper box processing, in particular to a gray board paper packaging box.

Background

The paper box is widely applied to various industries such as packaging industry, manufacturing industry, transportation industry and the like, and is usually made of paper boards, and in the paper box processing process, the paper box is usually formed by folding and shaping a cut paper board or is formed by bonding and splicing a plurality of paper boards; however, the cardboard with high hardness is not easy to bend or is easy to break after bending, so that the cardboard box formed by bending is generally lack of hardness, such as a common express packaging box; in the field of high-end packaging boxes, a paper box with higher hardness is generally adopted to meet the requirements of environmental protection and difficult deformation; for example, a cardboard box is formed by bonding and splicing a plurality of cardboard unit paperboards by water-based adhesive, the sum of the inclination angles of the joint surfaces of every two paperboards is equal to the splicing angle required by two cardboard unit paperboards, for example, when the required splicing angle is 90 degrees, the conventional mode is to make the joint surfaces of the two cardboard unit paperboards respectively complementary with 45 degrees and 45 degrees, but the water-based adhesive contains a large amount of water, and the adhesive brushing surface of the cardboard unit paperboards is usually softened for convenient adhesion when being adhered, but after the paperboards are made into the cardboard box, the adhesion part is easy to deform or is not firm enough.

Therefore, a new paper box structure needs to be designed to meet the requirement of firm adhesion under the condition of certain requirements on the hardness and strength of the paper box, so that the paper box can be directly subjected to the appearance beautifying steps such as printing and the like, and the environmental protection requirement of paper box production is met.

Disclosure of utility model

The utility model aims to overcome the defects and shortcomings in the prior art and provides a gray board paper packaging box, which adopts the following technical scheme:

The ash board paper packaging paper box comprises a plurality of ash board paper unit paper boards which are connected and combined mutually, wherein a first joint surface which is matched with other ash board paper unit paper boards to jointly form a splicing angle is arranged on each ash board paper unit paper board, the first joint surface can be a plane or an inclined plane, a joint part for smearing water-based adhesive is convexly arranged on each first joint surface, and each joint part is provided with a second joint surface which is inclined compared with the first joint surface; each two gray board paper unit paperboards are in a preliminary splicing state that second joint surfaces of the two gray board paper unit paperboards are in contact fit, and the two gray board paper unit paperboards are pressed to enable the second joint surfaces of the two gray board paper unit paperboards to be mutually extruded so as to compress the joint parts until a final splicing state of a splicing angle is formed.

The first connecting surface, the connecting portion and the second connecting surface are all integrally connected, namely, a unit paperboard is an integral body, and the subsection description is only convenient to understand.

Preferably, the second engagement surface has an inclination angle in the range of 1 ° to 5 ° relative to the first engagement surface.

Preferably, the second joint surfaces of the two matched gray board paper unit paperboards are opposite in inclination direction, so that the two gray board paper unit paperboards are complementary when in preliminary splicing and are mutually positioned when being mutually extruded.

Or the second joint surfaces of the two matched gray board paper unit paperboards have the same inclination direction, so that the joint parts fully soaked by the water-based adhesive have larger deformation in the compression process, and the adhesive is more compact.

Preferably, the inner ends of the second connecting surfaces of the two matched gray board paper unit paperboards are provided with bevel angles, so that the bevel angles of the two paperboards are matched to form a narrow gap for water supply base glue condensation after extrusion and splicing, and the connecting positions of the inner ends are more attractive.

Preferably, the second engagement surfaces of the two mated gray board paper unit boards are inclined at equal angles.

Still provide a grey board paper packaging box, the packaging box includes interior box and outer box, interior box outer wall and outer box inner wall bonding, further, between interior box and the outer box, the amalgamation department of per two grey board paper unit cardboards has pasted the fixed sticky tape that extends to another grey board paper unit cardboard from one of them grey board paper unit cardboard. And the method further fixes the splicing angle.

The beneficial effects of the utility model are as follows: according to the packaging paper box, the gray board paper unit paper board is provided with the connecting part protruding out of the first connecting surface, the connecting part is provided with the second connecting surface inclined compared with the first connecting surface, so that gray board paper is excessively matched when being initially mutually spliced, a compression allowance after water-based adhesive is reserved for wetting, the gray board paper unit paper board is extruded to cause the connecting part to be compressed until a formed required splicing angle is formed, and therefore the bonding part is tighter and is not easy to deform after being formed;

And after the gray board paper board is processed into the paper box, the gray board paper board is firm enough to directly meet the use requirement, so that the gray board paper board can be directly printed on the gray board paper, the appearance is attractive, and the resources are saved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

Fig. 1 is a sheet-fed packaging box of embodiment 1, in which the left side sheet is in a separated state;

FIG. 2 is two mated gray board paper unit boards of example 1;

FIG. 3 is a schematic view showing the preliminary splicing state of the gray board unit board in example 1;

FIG. 4 is a schematic view showing the completed splicing state of the gray board unit board in example 1;

FIG. 5 is two mated gray board paper unit boards of example 2;

FIG. 6 is two matched gray board paper unit boards of example 3;

FIG. 7 is two mated gray board paper unit boards of example 4;

In the figure, 1-gray board paper unit board, 2-joint, 21-second joint surface, 3-bevel, 4-narrow gap.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

FIG. 1 is a schematic view of the joint surface of a paperboard in a conventional arrangement in the art; the conventional way is to make the sum of the inclination angles of the two engagement surfaces equal to the desired bending angle of the two sheets of gray board units 1, for example, the desired bending angle is 90 deg., the conventional way is to make the two engagement surfaces complementary, for example, 45 deg. and 45 deg. in cooperation as shown in fig. 1.

Example 1

As shown in fig. 1-4, a gray board paper packaging box comprises a plurality of gray board paper unit paperboards 1 which are connected and combined with each other, wherein a first joint surface which is matched with other gray board paper unit paperboards 1 to jointly form a jointing angle is arranged on the gray board paper unit paperboards 1, the first joint surface is an inclined surface, a joint part 2 for smearing water-based adhesive is convexly arranged on the first joint surface, the joint part 2 and the first joint surface are integrally arranged, the joint part 2 is provided with a second joint surface 21 which is inclined relative to the first joint surface, and the second joint surface 21 and the first joint surface are integrally arranged; each two of the sheet metal unit boards 1 has a preliminary splice state (fig. 3) in which the second joint surfaces 21 of the two sheet metal unit boards are brought into contact with each other, and the two sheet metal unit boards 1 are pressed against each other so that the joint portions 2 are compressed up to a final splice state (fig. 4) constituting a splice angle.

Further, in this embodiment, the second engagement surface 21 has an inclination angle of 2 ° compared with the first engagement surface, and the inclination directions of the second engagement surfaces 21 of the two matched gray board unit boards 1 are opposite, and the inclination angles are equal, so that the two gray board unit boards 1 are complementary when being initially spliced and spliced, and are mutually positioned when being mutually extruded.

And, this grey board paper carton includes interior box and outer box, interior box outer wall and outer box inner wall bonding, between interior box 101 and outer box 102, the amalgamation department of per two grey board paper unit cardboards 1 is pasted and is had the fixed sticky tape that extends to another grey board paper unit cardboards 1 from one of them grey board paper unit cardboards 1, plays the further fixed, the further intensity that improves the carton of amalgamation angle.

Example 2

As shown in fig. 5, the difference from example 1 is that the second joint surfaces 21 of adjacent ones of the sheet-like unit boards 1 in the case have the same inclination direction, the first joint surfaces have an inclination angle of 45 °, the second joint surfaces 21 are inclined by 1 ° with respect to the first joint surfaces, the overall angle is 46 °, and the second joint surfaces 21 are pressed against each other in the process of splicing, so that the joint portion 2 fully impregnated with the water-based adhesive has a larger deformation amount in the process of compression, and finally, a splicing angle of 90 ° is formed, so that the adhesive is more tightly adhered.

Example 3

As shown in fig. 6, the difference from the embodiment 2 is that the inner ends of the second joint surfaces 21 of two matched gray board paper unit boards 1 are provided with bevel angles 3, so that the bevel angles 3 of the two boards are matched to form a narrow gap for condensing water-based glue after extrusion and splicing.

Example 4

As shown in fig. 7, the difference from example 2 is that the second joint surface 21 of two matched gray board paper unit boards 1 has a splicing angle smaller than 90 ° so that a narrow gap 4 for condensing the water-based adhesive is formed between the two boards, and the splicing angle of the two boards is equal to 90 ° after the narrow gap 4 between the two gray board paper unit boards is filled with the water-based adhesive.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (8)

1. The utility model provides a grey board paper packing carton, includes grey board paper unit cardboard (1) of a plurality of interconnect combination, have on grey board paper unit cardboard (1) with other grey board paper unit cardboard (1) cooperate in order to constitute the first linking face of amalgamation angle jointly, its characterized in that: the first joint surface is convexly provided with a joint part (2) for coating water-based adhesive, and the joint part (2) is provided with a second joint surface (21) inclined relative to the first joint surface;

Every two pieces of gray board paper unit paperboards (1) have the preliminary splicing state that the second joint surfaces (21) of the two pieces of gray board paper unit paperboards are in contact fit, and the two pieces of gray board paper unit paperboards (1) are pressed to enable the second joint surfaces (21) of the two pieces of gray board unit paperboards to be mutually extruded so as to compress the joint parts (2) until the final splicing state forming the splicing angle.

2. A gray board paper packaging carton as claimed in claim 1, characterized in that: the second engagement surface (21) is inclined at an angle in the range of 1 DEG to 5 DEG relative to the first engagement surface.

3. A gray board paper packaging carton as claimed in claim 1, characterized in that: the second joint surfaces (21) of the two matched gray board paper unit paperboards (1) are opposite in inclination direction.

4. A gray board paper packaging carton as claimed in claim 1, characterized in that: the second joint surfaces (21) of the two matched gray board paper unit paperboards (1) have the same inclination direction.

5. A gray board paper packaging carton as claimed in claim 1, characterized in that: the inner ends of the second joint surfaces (21) of the two matched gray board paper unit paperboards (1) are provided with bevel angles (3).

6. A gray board paper packaging carton according to any one of claims 1 to 4, characterized in that: the inclination angles of the second joint surfaces (21) of the two matched gray board paper unit paperboards (1) are equal.

7. A gray board paper packaging carton according to any one of claims 1 to 4, characterized in that: the packaging paper box comprises an inner box (101) and an outer box (102), wherein the outer wall of the inner box is adhered with the inner wall of the outer box.

8. A gray board paper packaging carton as claimed in claim 6, wherein: between the inner case (101) and the outer case (102), a fixing tape extending from one of the cardboard unit boards (1) to the other cardboard unit board (1) is adhered to the splice of every two cardboard unit boards (1).