CN210975375U

CN210975375U - Dog-ear structure and mould

Info

Publication number: CN210975375U
Application number: CN201921792896.6U
Authority: CN
Inventors: 肖大贤
Original assignee: Chongqing Zhiben Environmental Protection Technology Co ltd
Current assignee: Chongqing Zhiben Environmental Protection Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-10
Anticipated expiration: 2029-10-23

Abstract

The utility model is suitable for a packing technical field provides a dog-ear structure and mould. The bevel structure comprises a bottom edge; the connecting edge comprises a first end and a second end which are opposite, and the first end of the connecting edge is vertically connected with the bottom edge; the top edge is vertically connected to the second end of the connecting edge and used for forming the step with the connecting edge, and the bottom edge and the top edge are respectively positioned at two opposite sides of the connecting edge; the bevel compensation piece is arranged at the joint of the top edge and the connecting edge and used for supplementing materials to the step; wherein the dog-ear compensator is disposed on a side adjacent to the product. The utility model discloses in, thereby dog-ear structure can be when the shaping step through being provided with dog-ear compensation piece, through extrusion dog-ear compensation piece, realize pressing the material back of dog-ear compensation piece to the dog-ear on, and then make the shape of fashioned step can be full, unanimous, promoted the reliability that is used for supporting the packing product.

Description

Dog-ear structure and mould

Technical Field

The utility model belongs to the technical field of the packing, especially, relate to a dog-ear structure and mould.

Background

Paper-plastic products (or called pulp moldings) are formed by using natural plant fibers such as sugar cane pulp or bamboo pulp as raw materials and processing the raw materials by hot working dies, have the advantages of degradability, good environmental protection and the like, and are widely used (such as tableware, containers, packages and the like).

In the related art, when a paper-plastic product having a dog-ear-like structure is molded, it is generally adopted that pulp is injected into a mold having a dog-ear structure, and the dog-ear structure is formed by extrusion of the mold. In the actual process, because the injected pulp is not distributed uniformly, molding is not full easily at the position of the bevel edge, and the problem of inconsistent shape of the bevel is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a bevel compensation structure and a mold to solve the problem that the bevel of the paper-plastic product is not fully formed and the shape is inconsistent.

In order to solve the above problem, the embodiment of the present invention provides a technical solution that:

a dog-ear structure for forming a step in a paper package for supporting a product, the dog-ear structure comprising: a bottom edge; the connecting edge comprises a first end and a second end which are opposite, and the first end of the connecting edge is vertically connected with the bottom edge; the top edge is vertically connected to the second end of the connecting edge and used for forming the step with the connecting edge, and the bottom edge and the top edge are respectively positioned at two opposite sides of the connecting edge; the bevel compensation piece is arranged at the joint of the top edge and the connecting edge and used for supplementing materials to the step; wherein the dog-ear compensator is disposed on a side adjacent to the product.

Further, the bevel compensator is provided at an end of the top edge connected to the connecting edge.

Further, the bevel compensation piece is a bump.

Further, at least one side surface of the bevel angle compensator is provided with an inclined surface.

Further, the bottom edge and the top edge are parallel.

The embodiment of the utility model provides an in still provide a mould for the production of foretell dog-ear structure, include: the fixed die is provided with a concave cavity; the movable die comprises a die core which is movably inserted in the cavity, wherein a cavity for forming the bevel structure is defined between the fixed die and the movable die, and the movable die is provided with a groove for forming the bevel compensation piece.

Further, the movable mold further comprises: the die core is convexly arranged on the movable die body; the groove is formed in the movable die body and is adjacent to the die core.

Further, the grooves are arranged at least on two opposite sides of the mold core, and each groove is in adjacent contact with the mold core.

The embodiment of the utility model provides a dog-ear compensation structure, including base, connection limit and topside. One end of the connecting edge is vertically connected with the bottom edge, the top edge is vertically connected with the other end of the connecting edge, and the bottom edge and the top edge are respectively positioned at two opposite sides of the connecting edge. In this way, a step is formed between the top edge and the connecting edge, which supports the product. Through adopting to be provided with dog-ear compensation piece in the topside with the junction on being connected the limit for carry out the feed supplement to the step, thereby when the shaping step, through extrusion dog-ear compensation piece, can back pressure the material that forms dog-ear compensation piece in advance to the dog-ear on, and then realized that the shape of fashioned step can be full, unanimous, not only the outward appearance nature is good, can also make the reliable demand that satisfies the support product of shape of fashioned step, design benefit nature is good.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a bevel structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a mold in a mold opening state according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mold in a mold closing state according to an embodiment of the present invention.

Description of reference numerals:

1. a corner structure; 11. a bottom edge; 12. a connecting edge; 121. a first end; 122. a second end; 13. a top edge; 14. a dog-ear compensation member; 141. a bevel; 15. a pit; 2. a mold; 21. fixing a mold; 211. a concave cavity; 22. moving the mold; 221. a mold core; 222. a groove; 223. a movable mold body; 23. a mold cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various combinations of the specific features of the present invention are not described separately.

Specifically, when a paper packaging box is used for packaging a product (such as a mobile phone or a tablet computer), a step is usually arranged on an inner liner in the paper packaging box, and the position of the packaged product can be limited while the product is supported by the step. Therefore, the embodiment of the utility model provides a dog-ear structure, it is arranged in forming the step that supports the product in the paper packing carton to the messenger can make everywhere shape keep full, unanimous through the step that this dog-ear structure formed, reliably satisfies the demand that supports the product. In particular, in some embodiments, the steps provided on the paper packaging box support the product to be packaged, which is generally a regular quadrilateral product, so that the steps are provided around the product, and at the same time, the steps at least located on two opposite sides of the product are formed by the bevel structure 1, so as to reliably provide support for the packaged product.

Specifically, in the related art, the inner liner in the paper packaging box is usually formed by injecting pulp into a mold and extruding, and since the pulp is unevenly distributed in the process of injecting the pulp into the mold, the formed step shape is easily unsaturated, a local dent appears, particularly, a notch is formed at an outer corner where the step contacts with a product due to local material shortage, so that the shape of each part of the step is inconsistent, the appearance is not only affected, and the problem that the product cannot be reliably supported also exists. Therefore, by arranging the bevel structure 1 (refer to fig. 1) provided by the embodiment of the present invention, the problem of the incomplete and inconsistent step shape of the forming process can be effectively overcome.

As shown in fig. 1, the bevel structure 1 includes a bottom edge 11, a connecting edge 12, and a top edge 13. In particular, the connecting edge 12 includes opposite first and

second ends

121, 122, the first and

second ends

121, 122 being oppositely disposed. The first end 121 of the connecting edge 12 is perpendicularly connected to the bottom edge 11, while the top edge 13 is perpendicularly connected to the second end 122 of the connecting edge 12 for forming a step. Moreover, the bottom edge 11 and the top edge 13 are respectively located at two opposite sides of the connecting edge 12, and the ends of the bottom edge 11 and the top edge 13 which are not connected with the connecting edge 12 are respectively extended reversely for forming other structures in the paper packing box in the subsequent forming process. Thus, the bevel structure 1 is substantially in a zigzag shape, and both the two bending positions are vertically bent at an angle of 90 °, and the step is formed at the bending position above. In order to make the shape of the formed step full and consistent, the bevel structure 1 provided in the embodiment of the present invention further includes a bevel compensator 14. The bevel compensator 14 is arranged at the junction of the top edge 13 and the connecting edge 12 for replenishing the step. And in particular the provision of the dog-ear compensation member 14 on the side closer to the product. Therefore, during step forming processing, the folded angle compensation piece 14 is extruded in a forming die, so that the material which forms the folded angle compensation piece 14 in advance can be pressed back to the folded angle, the formed step can be full and consistent in shape, the appearance is good, and the shape of the formed step can reliably meet the requirement of supporting a product.

The utility model discloses dog-ear structure 1 in the embodiment, in production, through pour into the mould with paper pulp and machine-shaping has this dog-ear structure 1's blank. When the step is formed, the blank with the bevel structure 1 needs to be transferred to a die formed by hot pressing for further processing. Namely, the blank having the bevel structure 1 is processed into a predetermined shape in a die for hot press molding. In the processing process, the material of the bevel compensation piece 14 can be pressed back to the bevel of the formed step, so that the shape of the outer bevel edge of the step can be kept full and consistent, and the problem of inconsistent shape or notch caused by material shortage can be avoided.

Specifically, in some embodiments, when the bevel structure 1 is produced by a mold, the position where the bevel structure 1 is disposed is usually set according to the shape of the product, for example, when the product is a regular quadrangle, and when steps around the product are provided, the steps at each position are formed by the bevel structure 1. Specifically, as shown in fig. 1, in an actual installation, each step is usually produced in an integral forming manner, that is, the bottom edges 11 are connected into a whole, and each bevel structure 1 is combined to form a concave pit 15 capable of accommodating a product.

As shown in fig. 1, the dog-ear compensation member 14 is provided at an end of the top edge 13 connected to the connecting edge 12, and near a junction of the top edge 13 and the connecting edge 12. Thus, when extruding, the material obtained by extruding the bevel compensator 14 can be pressed back and supplemented to the outer bevel edge bent by the step, so that the shape of the outer bevel edge of the step can be kept full and consistent. Of course, it is understood that in other embodiments, the bevel compensator 14 may be disposed at other positions of the bevel structure 1, which satisfies the requirements of the product being able to be smoothly demolded in the mold and effectively performing material supplement on the outer bevel edge of the step. Meanwhile, according to the forming requirement, a plurality of bevel compensation pieces 14 can be arranged on the top edge 13, and the bevel compensation pieces 14 are arranged adjacently, so that the reliability of step shape compensation can be improved through the plurality of bevel compensation pieces 14.

As shown in fig. 1, the bevel compensator 14 is provided as a bump. Thus, when the break angle compensator 14 is pressed, the material required for compensating for the local shape defect of the step can be obtained by flattening the convex break angle compensator 14 to be in conformity with the plane of the step surface.

As shown in fig. 1, at least one side surface of the dog-ear compensator 14 is provided as a slope 141. Through being provided with inclined plane 141 to when producing this dog-ear structure 1 in the mould, reduced the cohesion between dog-ear structure 1 and the mould after the shaping, just can improve dog-ear structure 1 and can realize drawing of patterns smoothly when the drawing of patterns. Of course, it is understood that in other embodiments, at least one side of the dog-ear compensator 14 may be provided in an arcuate shape, or the dog-ear compensator 14 may be provided as a convex hemispherical structure, for example.

As shown in FIG. 1, in some embodiments, it is useful to arrange the bottom edge 11 and the top edge 13 parallel to each other.

As shown in fig. 2 and fig. 3, the embodiment of the present invention further provides a mold 2 for producing the above-mentioned bevel structure 1, which includes a fixed mold 21 and a movable mold 22. In this embodiment, the cavity 211 is provided on the fixed mold 21, and the movable mold 22 includes the mold core 221 movably inserted in the cavity 211. And a cavity 23 for molding the dog-ear structure 1 is defined between the fixed die 21 and the movable die 22. In this way, when the dog-ear structure 1 is produced, the dog-ear structure 1 can be formed by mating the movable mold 22 and the fixed mold 21 and then injecting pulp into the cavity 23. The movable die 22 is provided with a recess 222 for forming the dog-ear compensator 14. Thus, when the slurry is injected, a portion of the slurry can enter the groove 222 to form the dog-ear compensation member 14.

As shown in fig. 2 and 3, the movable mold 22 further includes a movable mold body 223. The core 221 is protrudingly provided on the movable mold body 223, and the groove 222 is provided on the movable mold body 223 and is provided adjacent to the core 221. Specifically, in production, since the outside dog-ear edge of the step is formed at the junction of the movable mold body 223 and the mold core 221, the groove 222 is provided adjacent to the mold core 221 to enable accuracy in the positional setting of the dog-ear compensator 14 after molding.

As shown in fig. 2, during manufacture, recesses 222 are provided at least on opposite sides of the core 221, and each recess 222 is in adjacent contact with the core 221. Therefore, the shapes of at least two steps oppositely arranged in the molded steps can be kept full and consistent. And then when supporting the product, can reach the user demand of reliably supporting the product.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A dog-ear structure for forming a step for supporting a product in a paper package, the dog-ear structure comprising:

a bottom edge;

the connecting edge comprises a first end and a second end which are opposite, and the first end of the connecting edge is vertically connected with the bottom edge;

the top edge is vertically connected to the second end of the connecting edge and used for forming the step with the connecting edge, and the bottom edge and the top edge are respectively positioned at two opposite sides of the connecting edge;

the bevel compensation piece is arranged at the joint of the top edge and the connecting edge and used for supplementing materials to the step;

wherein the dog-ear compensator is disposed on a side adjacent to the product.

2. The dog-ear structure according to claim 1, characterized in that the dog-ear compensation member is provided at an end of the top edge which is connected to the connecting edge.

3. The dog-ear structure of claim 1, wherein the dog-ear compensation member is a bump.

4. The dog-ear arrangement according to claim 1, wherein at least one side of the dog-ear compensator is provided as a chamfer.

5. The dog-ear construction according to any one of claims 1 to 4, characterized in that the bottom edge and the top edge are parallel.

6. A mold for the production of the dog-ear structure according to any one of claims 1 to 5, comprising:

the fixed die is provided with a concave cavity;

the movable mold comprises a mold core which is movably inserted in the concave cavity,

and a cavity for forming the bevel structure is defined between the fixed die and the movable die, and a groove for forming the bevel compensation part is arranged on the movable die.

7. The mold of claim 6, wherein the movable mold further comprises:

the die core is convexly arranged on the movable die body;

the groove is formed in the movable die body and is adjacent to the die core.

8. A mould as claimed in claim 7, wherein the recesses are provided at least on opposite sides of the core, each of the recesses being in adjacent contact with the core.