CN217968591U - Bottom lining folding guide mechanism for gift box - Google Patents

Abstract

The utility model provides a gift box bottom lining folding guide mechanism, wherein two central guide rails are parallel to each other and extend along the horizontal direction; the first guide rod is positioned right below the central guide rail and is parallel to the central guide rail; the second guide rod is integrally positioned at the outer side right below the corresponding central guide rail; the second guide rod comprises an inclined section and a straight section, the two inclined sections are of a horn mouth-shaped structure, the height of the two inclined sections is gradually reduced along the advancing direction of the bottom lining paper board, the distance between the two inclined sections is gradually narrowed, and the two straight sections extend horizontally and are parallel to each other; the initial end of the inclined section is higher than the central guide rail, and the terminal end is lower than the central guide rail; the third guide rod and the fourth guide rod are respectively and integrally positioned below the second guide rod on the corresponding sides, the third guide rod is in front, and the fourth guide rod is behind; the two third guide rods and the two fourth guide rods are respectively in a horn mouth-shaped structure with the height gradually increasing along the advancing direction and the distance gradually narrowing. The utility model discloses a realize that the gift box end liner is automatic folding provides the guide structure basis, helps improving generation efficiency, reduction in production cost.

Description

Bottom lining folding guide mechanism for gift box

Technical Field

The utility model belongs to the product packaging field especially relates to a folding guiding mechanism of gift box end liner.

Background

In figure 1, a folding process for a paper substrate for a gift box is shown, wherein a creased substrate paperboard is folded from a state a to a final state D, and then inserted into the bottom of the box to provide cushioning protection. Therefore, in order to improve the production efficiency, a corresponding automatic folding device for automatically folding the bottom lining of the gift box needs to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses what key protected is the core mechanism among the automatic folding equipment, and guiding mechanism is folded to the gift box end liner promptly, specifically is:

the gift box bottom lining folding guide mechanism comprises a central guide rail, a first guide rod, a second guide rod, a third guide rod and a fourth guide rod which are respectively arranged in pairs;

the two central guide rails are parallel to each other and extend along the horizontal direction;

each first guide rod is fixed under the corresponding central guide rail and is parallel to the central guide rail, and the starting end of each first guide rod is close to the starting position of the central guide rail;

each second guide rod is integrally fixed on the outer side right below the corresponding central guide rail; each second guide rod sequentially forms an inclined section and a straight section along the advancing direction of the bottom lining paper board, the two inclined sections are of inclined horn mouth-shaped structures with gradually reduced height and gradually narrowed distance along the advancing direction of the bottom lining paper board, and the two straight sections horizontally extend and are parallel to each other; and the starting end of each inclined section is higher than the central guide rail; the joint point of the inclined section and the straight section is lower than the two central guide rails;

each third guide rod and each fourth guide rod are integrally fixed below the corresponding second guide rod, the third guide rod on the same side is arranged in front of the fourth guide rod, and the fourth guide rod is integrally arranged between the second guide rod and the third guide rod;

the two third guide rods and the two fourth guide rods are respectively in an inclined horn mouth-shaped structure with gradually increased height and gradually narrowed space along the advancing direction of the bottom lining paper board.

The outer edge of each first guide rod is parallel to the outer edge of the corresponding central guide rail and is positioned in the same vertical plane.

The starting end of the straight section is located in the area between the starting end and the terminating end of the first guide rod, the terminating end of the straight section is located below the terminating end of the central guide rail, the straight section is parallel to the first guide rod on the corresponding side, and the vertical gap between the vertical surfaces where the straight section and the first guide rod are located is equal to or slightly larger than the thickness of the backing paper plate.

The straight section of each second guide rod is slightly higher than the first guide rod.

The starting end of each third guide rod is close to the position right below the starting end of the straight section of the second guide rod on the same side and is positioned on the outer side of the straight section on the same side, and the terminating end of each third guide rod is positioned below the position between the two straight sections of the second guide rod;

the gap between the terminal ends of the two tertiary guide rods is slightly greater than twice the thickness of the backing paperboard.

The terminal end of each third guide rod horizontally extends along a direction parallel to the running direction of the bottom liner paper board to form an extension section, and the extension section is arranged in a region between the terminal end of the third guide rod and the starting end of the fourth guide rod.

The starting end of each fourth guide rod (34) is close to the position right below the middle part of the straight section of the second guide rod on the same side and is positioned on the outer side of the straight section on the same side, and the ending end of each fourth guide rod is positioned below the position between the two straight sections of the second guide rod.

The gift box bottom liner is formed by folding a bottom liner paperboard which is prefabricated with creases, the bottom liner paperboard is divided into a central plate positioned in the center by taking the prefabricated creases as boundaries, a group of first side plate, a group of second side plate and a group of third side plate which are sequentially arranged are respectively arranged on the left side and the right side of the central plate, and the vertical distance between the horizontal plane of the upper surface of the termination end of the third guide rod and the horizontal plane of the upper surface of the central guide rail is equal to or slightly larger than the sum of the widths of the first side plate and the second side plate.

The vertical distance between the horizontal plane of the upper surface of the terminating end of the fourth guide rod and the horizontal plane of the upper surface of the central guide rail is equal to or slightly larger than the width of the first side plate.

The utility model discloses the structure is succinct, and the dependable performance for realizing that the gift box end liner is automatic folding provides the guide structure basis, helps improving generation efficiency, reduction in production cost.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of a process for folding a backing;

FIG. 2 is a perspective view of the folding guide mechanism;

FIG. 3 is a front view of the core structure of the folding guide mechanism with the frame removed;

FIG. 4 is a side view of the core structure;

fig. 5 is a bottom view of the core structure.

Reference numbers in the figures: a center plate 10; a first side plate 11; a second side plate 12; a third side panel 13; a frame 2; a center rail 30; a first guide bar 31; a second guide bar 32; the inclined section 321; a straight section 322; a third guide bar 33; a fourth guide bar 34;

the starting end a of the inclined segment 321;

the terminal end b of the inclined section 321;

the starting end c of the third guide bar 33;

terminating end d of third guide 33;

the starting end e of the fourth guide bar 34;

the terminating end f of the fourth guide bar 34.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the bottom gusset is divided into a central panel 10 at the center by a preformed fold, and a first side panel 11, a second side panel 12 and a third side panel 13 are respectively provided at the left and right sides of the central panel 10 in a series arrangement. Finally, the gift box is folded into the shape shown in the state D, namely, the central plate 10 is positioned at the upper end and directly supports the gift in the gift box, the two second side plates 12 are positioned at the lower end, the two first side plates 11 are erected at the left side and the right side and support the central plate 10 together with the two third side plates 13 erected at the center.

As shown in fig. 2, the present invention provides a folding guiding mechanism for a bottom lining of a gift box, which comprises a frame 2, and a center rail 30, a first guide bar 31, a second guide bar 32, a third guide bar 33 and a fourth guide bar 34, which are arranged in pairs.

Two central guide rails 30 are fixed on the top surface of the frame 2, the two central guide rails 30 are parallel to each other and extend along the horizontal direction, a single bottom lining paperboard to be folded is conveyed to the beginning of the two central guide rails 30 by a conveying mechanism (not shown), the two central guide rails 30 support the central plate 10 of the bottom lining paperboard together, creases between the left side and the right side of the central plate 10 and the first side plate 11 are respectively flush with the two central guide rails 30, the whole bottom lining paperboard is driven by external force to horizontally move by taking the two central guide rails 30 as tracks until the ending end of the central guide rails 30, and during the moving process, the folding of the paperboard is respectively and sequentially completed by other guide rods.

The above-mentioned external force can be applied by a robot arm (not shown) which sucks the upper surface of the central board 10 through a suction cup, so as to drive the entire bottom liner board to horizontally travel along the two central rails 30.

The layout structure of other guide rods is as follows:

each first guide rod 31 is fixed under the corresponding central guide rail 30 and is parallel to the central guide rail 30, and the starting end of the first guide rod 31 is close to the starting position of the central guide rail 30; in this embodiment, as shown in fig. 2, the beginning end and the terminating end of each first guide rod 31 are fixed to the central guide rail 30 through a connecting rod respectively.

Preferably, as shown in fig. 5, the outer edge of each first guide bar 31 is parallel to and in the same vertical plane as the outer edge of the corresponding central rail 30, the outer edge of the central rail 30 is abutted against the crease between the central plate 10 and the first side plate 11, and the outer edge of the first guide bar 31 is abutted against the folded first side plate 11 so as to cooperate with a corresponding portion (described later) of the second guide bar 32 to sandwich the first side plate 11 therebetween, so as to maintain the vertical state of the first side plate 11 during the second stage folding.

Each second guide rod 32 is integrally fixed to the outer side right below the corresponding central guide rail 30; in this embodiment, as shown in fig. 2, the beginning end and the terminating end of each second guide rod 32 are fixed to the frame 2 through a connecting rod respectively. As shown in fig. 5, each second guide bar 32 sequentially forms an inclined section 321 and a straight section 322 along the running direction of the backing paper board, the inclined sections 321 of the two second guide bars 32 are in an inclined bell-mouth-shaped structure with gradually reduced height and gradually narrowed distance along the running direction of the backing paper board, and the straight sections 322 of the two second guide bars 32 extend horizontally and are parallel to each other; and the starting end a of each inclined section 321 is higher than the horizontal plane of the upper end surfaces of the two central guide rails 30; the terminal end b of the inclined section 321, i.e. the connection point between the inclined section 321 and the straight section 322, and the starting end of the straight section 322 are lower than the horizontal planes of the lower end surfaces of the two central guide rails 30, i.e. the whole straight section 322 is lower than the lower end surfaces of the two central guide rails 30; the starting end of the straight section 322 (i.e. the terminating end b of the inclined section 321) is located in the area between the starting end and the terminating end of the first guide rod 31, and the terminating end of the straight section 322 is located below the terminating end of the corresponding central guide rail 30, as shown in fig. 5 and in combination with fig. 4, the straight section 322 is parallel to the first guide rod 31 on the corresponding side, and the vertical gap between the vertical planes of the straight section 322 and the corresponding side is equal to or slightly larger than the thickness of the bottom-lining paper.

Preferably, the straight section 322 of each second guide bar 32 is located at a level slightly higher than the level of the first guide bar 31.

Each third guide rod 33 and each fourth guide rod 34 are integrally fixed below the corresponding second guide rod 32; in this embodiment, as shown in fig. 2, the starting end and the terminating end of each of the third guide bar 33 and the fourth guide bar 34 are fixed to the frame 2 through a connecting bar respectively.

The third guide bar 33 and the fourth guide bar 34 are on the same side in the direction of travel of the web, i.e., the web contacts the third guide bar 33 and then the fourth guide bar 34 during travel. The fourth guide bar 34 is interposed entirely between the second guide bar 32 and the third guide bar 33.

The two third guide rods 33 are in an inclined flared structure with gradually increased height and gradually narrowed distance along the advancing direction of the bottom lining paper board, the starting end c of each third guide rod 33 is adjacent to the position right below the starting end (the ending end b of the inclined section 321) of the straight section 322 of the second guide rod 32 on the same side and is positioned on the outer side of the straight section 322 on the same side (see fig. 5), and the ending end d of each third guide rod 33 is positioned below the position between the straight sections 322 of the two second guide rods 32; further, the gap between the terminal ends d of the two third guide bars 33 is slightly larger than twice the thickness of the backing paperboard; preferably, the terminal end d of each third guide bar 33 extends horizontally along a direction parallel to the direction of travel of the backing paper, and an extension 331 is provided between the terminal end d of the third guide bar 33 and the starting end e of the fourth guide bar 34; the extension section 331 is added to provide a consolidation stroke for consolidating the bending state of the third side plate 13 after the third side plate 13 is bent and before the second side plate 12 starts to be bent.

The two fourth guide rods 34 are in an inclined flared structure with gradually increasing height and gradually narrowing distance along the running direction of the bottom liner paper board, the starting end e of each fourth guide rod 34 is close to the middle part of the straight section 322 of the second guide rod 32 on the same side and is located at the outer side of the straight section 322 on the same side (see fig. 5), and the terminating end f of each fourth guide rod 34 is located below the straight section 322 of the two second guide rods 32.

Corresponding to the prefabricated crease on the bottom lining paperboard to be folded in the present invention, the vertical distance between the horizontal plane of the upper surface of the end d of the third guide bar 33 and the horizontal plane of the upper surface of the central guide rail 30 should be equal to or slightly greater than the mutual distance between the crease between the third side plate 13 and the second side plate 12 and the crease between the first side plate 11 and the central plate 10 (i.e. the sum of the widths of the first side plate 11 and the second side plate 12), and certainly, because the starting end c of the third guide bar 33 is lower than the vertical position of the end d, the vertical distance between the horizontal plane of the upper surface of the starting end c of the third guide bar 33 and the horizontal plane of the upper surface of the central guide rail 30 is also greater than the sum of the widths of the first side plate 11 and the second side plate 12, so that the third guide bar 33 normally performs the bending action on the third side plate 13;

similarly, the vertical distance between the horizontal plane of the upper surface of the terminating end f of the fourth guide bar 34 and the horizontal plane of the upper surface of the central guide rail 30 is equal to or slightly greater than the mutual distance between the crease between the first side plate 11 and the second side plate 12 and the crease between the first side plate 11 and the central plate (i.e. the width of the first side plate 11), and certainly, because the starting end e of the fourth guide bar 34 is lower than the vertical position of the terminating end f, the vertical distance between the horizontal plane of the upper surface of the starting end e of the fourth guide bar 34 and the horizontal plane of the upper surface of the central guide rail 30 is also greater than the width of the first side plate 11, so that the fourth guide bar 34 can normally perform the bending action on the second side plate 12.

The working principle is as follows: a single bottom liner paperboard to be folded is conveyed to the starting positions of the two central guide rails 30 by a conveying mechanism (not shown), the two central guide rails 30 jointly support the central plate 10 of the bottom liner paperboard, creases between the left side and the right side of the central plate 10 and between the corresponding first side plates 11 are respectively flush with the outer side surfaces of the two central guide rails 30, the whole bottom liner paperboard is driven by external force to horizontally move by taking the two central guide rails 30 as bearing rails until the two central guide rails 30 reach the ending ends of the central guide rails 30, and in the advancing process, the bottom liner paperboard is respectively and sequentially folded and formed by other guide rods, and the folding forming method comprises the following specific steps:

buckle first curb plate 11 earlier: the first side plate 11 firstly contacts the part of the inclined section 321 of the first guide rod 32, which is higher than the central guide rail 30 in the process of traveling, and the first side plate 11 is bent downwards at ninety degrees relative to the central plate 10 under the guidance that the inclined section 321 is pressed downwards and retracted inwards; and the straight section 322 of the first guide rod 32 is responsible for maintaining the bent state of the first side plate 11 relative to the central plate 10 in the following stroke;

and then bending the third side plate 13: after the first side plate 11 is bent, as shown in state B in fig. 1, the second side plate 12 and the third side plate 13 are together vertically downward, the third side plate 13 located at the lowest position hits the third guide rod 33 during the traveling, and under the guiding of the third guide rod 33 in the upward pushing and inward retracting directions, the third side plate 13 is bent at ninety degrees relative to the second side plate 12, as shown in state C in fig. 1;

finally, the second side plate 12 is bent, the second side plate touches the fourth guide rod 34 in the process of moving forward, under the guide of upward pushing and inward contraction of the fourth guide rod 34, the second side plate 12 is bent ninety degrees relative to the first side plate 11, and the second side plate 12 drives the third side plate 13 which is bent relatively to abut against the top end of the third side plate 13 at the opposite side and then continues to be pushed upwards until abutting against the lower surface of the central plate 10, and the two first side plates 13 abut against each other, as shown in a state D in fig. 1. At this point, the folding process in progress is completed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The folding and guiding mechanism of the gift box bottom lining is characterized by comprising a central guide rail (30), a first guide rod (31), a second guide rod (32), a third guide rod (33) and a fourth guide rod (34) which are respectively arranged in pairs;

the two central guide rails (30) are parallel to each other and extend along the horizontal direction;

each first guide rod (31) is fixed right below the corresponding central guide rail and is parallel to the central guide rail, and the starting end of each first guide rod is close to the starting position of the central guide rail;

each second guide rod (32) is integrally fixed on the outer side right below the corresponding central guide rail; each second guide rod sequentially forms an inclined section (321) and a straight section (322) along the advancing direction of the bottom lining paperboard, the two inclined sections (321) are of inclined horn mouth-shaped structures with gradually reduced height and gradually narrowed distance along the advancing direction of the bottom lining paperboard, and the two straight sections (322) horizontally extend and are mutually parallel; and the starting end of each inclined section is higher than the central guide rail; the joint point of the inclined section and the straight section is lower than the two central guide rails;

each third guide rod (33) and each fourth guide rod (34) are integrally fixed below the corresponding second guide rod, the third guide rod on the same side is arranged in front of the fourth guide rod, and the fourth guide rod is integrally arranged between the second guide rod and the third guide rod;

the two third guide rods (33) and the two fourth guide rods (34) are respectively in an inclined horn mouth-shaped structure with gradually-increased height and gradually-narrowed space along the advancing direction of the bottom lining paper board.

2. The bottom gusset fold guide mechanism of claim 1, wherein the outer edge of each first guide bar (31) is parallel to and in the same vertical plane as the outer edge of the corresponding central rail.

3. The folding guide for bottom flaps of gift boxes according to claim 1, wherein the starting end of the straight section (322) is located in the area between the starting end and the terminating end of the first guide bar (31), and the terminating end of the straight section is located below the terminating end of the center guide rail, the straight section is parallel to the first guide bar (31) on the corresponding side, and the vertical gap between the vertical planes of the straight section and the first guide bar is equal to or slightly larger than the thickness of the bottom flaps.

4. A bottom web folding guide mechanism for a gift box of claim 1 or 3 wherein the straight section of each of the second guide rails is slightly higher than the straight section of the first guide rail.

5. A folding guide for a bottom lining of a gift box of claim 1 wherein a beginning of each of the third guide bars is located immediately below a beginning of a straight section of the second guide bar on the same side and outside the straight section of the same side, and a terminating end of each of the third guide bars is located below a position between the straight sections of the second guide bars.

6. A folding guide for a bottom gusset of a gift box as defined in claim 5, wherein the gap between the terminal ends of the two tertiary guide bars is slightly greater than twice the thickness of the bottom gusset.

7. A folding guide for a gift box bottom blank according to claim 5, wherein the terminal end of each of the third guide bars extends horizontally in a direction parallel to the direction of travel of the bottom blank with an extension between the terminal end of the third guide bar and the start of the fourth guide bar.

8. The folding guide mechanism for bottom flaps of a gift box of claim 1 wherein the starting end of each of the fourth guide bars (34) is located immediately below the middle of the straight section of the second guide bar on the same side and outside the straight section of the same side, and the terminating end of each of the fourth guide bars is located below the middle of the straight sections of the second guide bar.

9. A bottom web folding guide mechanism for a gift-box as defined in claim 1 wherein the bottom web is folded from a bottom web pre-creased, the bottom web being bounded by the pre-made crease and defining a central panel, and a first side panel, a second side panel and a third side panel are disposed on each of the left and right sides of the central panel, respectively, in a sequential arrangement, wherein the vertical distance between the horizontal plane of the upper surface of the terminating end of the third guide bar and the horizontal plane of the upper surface of the central guide rail is equal to or slightly greater than the sum of the widths of the first side panel and the second side panel.

10. A folding guide for a primary carton blank according to claim 9 wherein the vertical distance between the plane of the upper surface of the terminating end of the fourth guide bar and the plane of the upper surface of the central guide rail is equal to or slightly greater than the width of the first side panel.

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