CN110733721B

CN110733721B - Manufacturing method of octagonal frustum pyramid fruit box

Info

Publication number: CN110733721B
Application number: CN201910986249.7A
Authority: CN
Inventors: 孙彬青
Original assignee: Tianjin University of Science and Technology
Current assignee: Tianjin University of Science and Technology
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2021-05-07
Anticipated expiration: 2039-10-17
Also published as: CN110733721A

Abstract

The invention relates to a manufacturing method of an eight-frustum-prism fruit box, which is characterized in that a body plate between a main side plate and a main end plate in an eight-frustum-prism unfolded drawing is divided into two parts, one part is connected with the main side plate, the other part is connected with the main end plate and is bonded with a corresponding bottom edge to form an auxiliary new four-frustum-prism structure, and an outer folding angle side line are determined by taking the intersection point of a new bottom plate as a rotating point on the basis of a new four-frustum-prism, so that the flat-plate bonding of an eight-frustum-prism automatic folding paper box is realized. The special-shaped octagonal-table fruit box disclosed by the invention is scientific and reasonable in design, can realize the flat-plate-shaped adhesion, storage and transportation of the special-shaped octagonal-table fruit box, reduces the warehouse and transportation cost, and has strong practicability.

Description

Manufacturing method of octagonal frustum pyramid fruit box

Technical Field

The invention belongs to the field of packaging, storage and transportation, relates to an irregular octagonal frustum pyramid fruit box, and particularly relates to a manufacturing method of the octagonal frustum pyramid fruit box.

Background

At present, fruit transport case mainly uses the 0320 type carton of corrugated board material as the owner, and the upper and lower lid structure of cuboid, bottom of the case and case lid sealing department can not the involution in the transportation, need involution box bottom and lid side to use during the use. As a fruit transport box or a transport turnover box, the fruit transport box is required to meet good shock-proof and anti-falling performances during fruit logistics transportation, has a stable structure and relatively high rigidity and hardness, avoids fruit self collision or external transmitted force as much as possible, and simultaneously considers box-shaped foldable transportability.

The special-shaped fruit box with the octagonal frustum is complex in structure, few in market solutions and difficult to popularize in the market. The special-shaped fruit boxes on the market are stored and transported in a three-dimensional shape or folded in a flat plate shape before being used by consumers. Thus, the following disadvantages are easy to occur: 1. the fruit box which is stored and transported in a three-dimensional structure has high transportation and storage cost; 2. the flat refolded fruit box increases the difficulty of the operator in the refolding process on the hand of the seller.

In order to solve the contradiction problem existing in the flat-plate transportation of the disc-type special-shaped fruit box and the sealing of a user at present, the invention provides the manufacturing method of the octagonal table automatic folding special-shaped fruit box, so that the fruit box can be bonded at a manufacturer, can be folded into a flat plate shape for transportation and stacking, and the user does not need auxiliary materials such as adhesive tapes and the like for sealing.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the manufacturing method of the octagonal table fruit box, the method can realize the flat-plate-shaped adhesion, storage and transportation of the special-shaped octagonal table fruit box, the warehouse and transportation cost is reduced, and the practicability is high.

The technical problem to be solved by the invention is realized by the following technical scheme:

the manufacturing method of the octagonal frustum pyramid fruit box is characterized by comprising the following steps of: the manufacturing method comprises the following steps:

1) drawing an eight-edge table plane expanded view with a smaller eight-edge shape surface as a bottom surface on the paper box body, wherein the expanded view comprises a first main side plate, a second main end plate, a second main side plate, a first main end plate and a bottom plate; select the clamp body board between a main side board and the main end plate, divide eight terrace with edges plane development picture into two, half and main side board link, half and main end plate link to link it with corresponding bottom edge respectively, form new supplementary four terrace with edges structure, four edges of supplementary four terrace with edges bottom plate include: the first horizontal auxiliary line, the second horizontal auxiliary line, the first vertical auxiliary crease line and the second vertical auxiliary crease line;

2) respectively determining the outer folding angles and corresponding outer folding angle side lines at four new rotating points at the bottom of the auxiliary quadrangular frustum pyramid;

3) drawing the first, second, third and fourth clamp plates, the first, second, third and four corner flaps between the main side plates and the main end plates on two sides of the two main side plates respectively, and completing the unfolding of the folding paper box of the eight-prismatic table fruit box;

4) indentation cutting: the carton board body in fig. 1 is provided with a processing line in the above steps by a flat-pressing flat die cutter, which includes a first vertical auxiliary crease line Q1, a second vertical auxiliary crease line Q3, and a first external folding corner edge line TT ', a second external folding corner edge line T1T 1', a third external folding corner edge line T2T2 'and a fourth external folding corner edge line T3T 3' corresponding to the external folding corner edge lines with O, O1, O2 and O3 as rotation points;

5) folding: a first main side plate and a second main side plate of the octagonal frustum, which contain folding angles, are inwards extruded for 180 degrees along a first external folding angle side line, a second external folding angle side line, a third external folding angle side line and a fourth external folding angle side line respectively; the first main end plate and the second main end plate are respectively inwards extruded for 180 degrees along the first vertical auxiliary crease line and the second vertical auxiliary crease line;

6) gluing: gluing the printing surfaces of the first corner flap, the second corner flap, the third corner flap and the fourth corner flap, and respectively bonding the printing surfaces with the first main end plate and the second main end plate through gluing; and (5) finishing the manufacture of the octagonal frustum pyramid fruit box.

The invention has the advantages and beneficial effects that:

1. according to the manufacturing method of the eight-frustum-shaped fruit box, the folding of the operating line on the carton board body and the bonding of the corner flaps are carried out, so that the flat-plate-shaped bonding forming of the eight-frustum-shaped fruit box is completed, the manufacturing process is simple, the time is saved, and the materials are saved.

2. The manufacturing method of the octagonal frustum pyramid fruit box solves the design problem of the automatic folding structure of the inverted octagonal frustum pyramid fruit box, can realize the problems of flat-plate-shaped sticking, storage and transportation of the special-shaped box, and can save a large amount of warehouse and transportation costs.

Drawings

FIG. 1 is a plan view of a octagonal table fruit box;

FIG. 2 is a plan view of an octagonal frustum fruit box with marked intersection points of edges;

FIG. 3 is a layout view of a new rotation point O at the rotation point A;

FIG. 4 is a plot of auxiliary lines Q1 and Q2 at the new pivot point O;

FIG. 5 is a layout view of a new rotation point O1 at rotation point E;

FIG. 6 is a plot of auxiliary lines Q3 and Q4 at new pivot point O1;

FIG. 7 is a plot of new rotation points O2 and O3 at rotation points B and F;

FIG. 8 is a drawing of a fold line in the base of the cassette;

FIG. 9 is a plot of the outer fold angle θ' at the new rotation point O;

fig. 10 is a structure diagram of an automatic folding paper box of an octagonal-table fruit box.

Description of the reference numerals

1-a first corner flap, 2-a first main side panel, 3-a third corner flap, 4-a second main end panel, 5-a second corner flap, 6-a second main side panel, 7-a fourth corner flap, 8-a first main end panel, 9-a first sandwich panel, 10-a second sandwich panel, 11-a third sandwich panel, 12-a fourth sandwich panel, 13-a bottom panel, 14-a first outer folding corner edge line, 15-a second outer folding corner edge line, 16-a first horizontal auxiliary line, 17-a first vertical auxiliary crease line, 18-a second vertical auxiliary crease line, 19-a second horizontal auxiliary line, 20-a third outer folding corner edge line, 21-a fourth outer folding corner edge.

Detailed Description

The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.

1) Drawing an eight-edge frustum plane expansion diagram with a smaller eight-edge surface as a bottom surface on the carton body, as shown in fig. 1, the diagram includes a first corner flap 1, a first main side plate 2, a third corner flap 3, a second main end plate 4, a second corner flap 5, a second main side plate 6, a fourth corner flap 7, a first main end plate 8, a first clamp plate 9, a second clamp plate 10, a third clamp plate 11, a fourth clamp plate 12 and a bottom plate 13;

2) in the expanded view of fig. 1, the intersection of the edges, A, A1, B, B1, C, C1, C '1, D, D1, D' 1, E, E1, F, F1, G, G1, G '1, H, H1, H' 1, are marked, as shown in fig. 2; taking point A as a rotation point, taking angle A1AB and angle A1 AH' as B forming angles at the rotation point A, respectively representing angle gamma 1 and angle gamma 2, and taking angle BAH as an A forming angle at the rotation point A, representing angle alpha;

3) and taking the point A as a rotation point, determining a new auxiliary rotation point O point at the rotation point A: drawing a perpendicular bisector L1 of segment AH, drawing a perpendicular bisector L2 of segment AH', L1 and L2 intersecting at point O, which is the new auxiliary rotation point, as shown in fig. 3; respectively drawing a vertical line Q1 and a horizontal line Q2 with the point O as an end point, wherein Q1 is a first vertical auxiliary crease line, and Q2 is a first horizontal auxiliary crease line 16, as shown in FIG. 4;

4) taking the point E as a rotation point, determining a new auxiliary rotation point O1 point at the point E: drawing a perpendicular bisector L3 of the line segment ED, drawing a perpendicular bisector L4 of the line segment ED', intersecting the L3 and the L4 at a point O1, and taking a point O1 as a new auxiliary rotation point, as shown in FIG. 5; respectively drawing a vertical line Q3 and a horizontal line Q4 by taking the point O1 as an end point, wherein Q3 is a second vertical auxiliary crease line, and Q4 is a second horizontal auxiliary crease line 19, as shown in FIG. 6;

5) and sequentially determining new rotation points O2 and O3 at the rotation point B and the rotation point F: the intersection point of the ray Q2 and the ray Q3 is the point O2, and the intersection point of the ray Q1 and the ray Q4 is the point O3, as shown in FIG. 7;

6) determining box bottom folding lines S1S2, S3S4, S5S6 and S7S8 of the octagonal-platform fruit box: ray Q1 intersects bottom edges AH and GH at points S1 and S2 respectively; the ray Q2 intersects the bottom edges BC and AH at points S7 and S8 respectively; the ray Q3 intersects the bottom edges DE and BC at points S5 and S6 respectively; ray Q4 intersects bottom edge FG, DE at points S3, S4, respectively, as shown in fig. 8;

7) determining an outer fold angle θ 'and a corresponding outer fold angle edge line TT' at the new rotation point O: taking a point O as a new rotation point, wherein the forming angle A at the point O is alpha '═ S8OS1, the sum of the forming angles B is gamma 1' + gamma 2 '═ gamma 1+ gamma 2 +. H' AO, and the external folding angle theta '═ gamma 1' + gamma 2 '-alpha' at the point O of the new rotation point;

with the point O as the center, drawing ═ TOS8 ═ θ ', where the line segment T0 intersects with the edge AH' at the point T ', and the line segment TT' is the outer folding angle sideline at the point O, as shown in fig. 9;

8) the corresponding outer folding angle edges at the new rotation points O1, O2 and O3 are determined in turn, as shown in fig. 10: point O1 is a new rotation point, and with point O1 as a center of circle, line T1O1S4 is drawn as θ ', line T101 intersects edge D' E at point T1 ', and line T1T 1' is an outer fold angle edge line at point O1;

point O2 is a new rotation point, and with point O2 as a center of a circle, line T2O2S7 is drawn as θ ', line T202 intersects edge BC' at point T2 ', and line T2T 2' is an outer folding angle side line at point O2;

point O3 is a new rotation point, and with point O3 as a center of circle, line segment T3O3S3 is drawn as θ ', line segment T303 intersects edge FG' at point T3 ', and line segment T3T 3' is an outer folding angle edge line at point O3;

9) indentation cutting: the carton board body in fig. 1 is provided with a processing line in the above steps by a flat-pressing flat die cutter, which includes a first vertical auxiliary crease line Q1, a second vertical auxiliary crease line Q3, and a first external folding corner edge line TT ', a second external folding corner edge line T1T 1', a third external folding corner edge line T2T2 'and a fourth external folding corner edge line T3T 3' corresponding to the external folding corner edge lines with O, O1, O2 and O3 as rotation points;

10) folding: a first main side plate and a second main side plate of the octagonal frustum, which contain folding angles, are inwards extruded for 180 degrees along a first external folding angle side line 14, a second external folding angle side line 15, a third external folding angle side line 20 and a fourth external folding angle side line 21 respectively; the first and second main end panels are pressed inward 180 degrees along the first and second vertical

auxiliary score lines

17 and 18, respectively;

11) gluing: gluing the printing surfaces of the first corner flap, the second corner flap, the third corner flap and the fourth corner flap, and respectively bonding the printing surfaces with the first main end plate and the second main end plate through gluing;

12) and (5) finishing the manufacture of the octagonal frustum pyramid fruit box.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The manufacturing method of the octagonal frustum pyramid fruit box is characterized by comprising the following steps of: the manufacturing method comprises the following steps:

1) drawing an eight-edge frustum plane expansion diagram with a smaller eight-edge profile as a bottom surface on the carton body, wherein the diagram comprises a first corner flap, a first main side plate, a third corner flap, a second main end plate, a second corner flap, a second main side plate, a fourth corner flap, a first main end plate, a first clamp plate, a second clamp plate, a third clamp plate, a fourth clamp plate and a bottom plate;

2) in the eight-edge frustum plane development view, points A, B, A1 and B1 are respectively the intersection points of the four sides of the first main side plate, points C, D, C1 and D1 are respectively the intersection points of the four sides of the second main end plate, points E, F, E1 and F1 are respectively the intersection points of the four sides of the second main side plate, points G, H, G1 and H1 are respectively the intersection points of the four sides of the first main end plate, points H 'and H' 1 are the intersection points of the intersection edges of the first corner flap and the first clip plate, points C 'and C' 1 are the intersection points of the intersection edges of the third corner flap and the second clip plate, points D 'and D' 1 are the intersection points of the intersection edges of the second corner flap and the fourth clip plate, and points G 'and G' 1 are the intersection points of the intersection edges of the fourth corner flap and the third clip plate;

3) and taking the point A as a rotation point, determining a new auxiliary rotation point O point at the rotation point A: drawing a perpendicular bisector L1 of segment AH, drawing a perpendicular bisector L2 of segment AH', L1 and L2 intersecting at point O, which is the new auxiliary rotation point; respectively drawing a vertical line Q1 and a horizontal line Q2 by taking the point O as an end point, wherein Q1 is a first vertical auxiliary crease line, and Q2 is a first horizontal auxiliary crease line;

4) taking the point E as a rotation point, determining a new auxiliary rotation point O1 point at the point E: drawing a perpendicular bisector L3 of the line segment ED, drawing a perpendicular bisector L4 of the line segment ED', wherein the intersection of the L3 and the L4 is at a point O1, and the point O1 is a new auxiliary rotation point; respectively drawing a vertical line Q3 and a horizontal line Q4 by taking the point O1 as an end point, wherein Q3 is a second vertical auxiliary crease line, and Q4 is a second horizontal auxiliary crease line;

5) and sequentially determining new rotation points O2 and O3 at the rotation point B and the rotation point F: the intersection point of the ray Q2 and the ray Q3 is an O2 point, and the intersection point of the ray Q1 and the ray Q4 is an O3 point;

6) at O, O1, O2 and O3 new rotation points, respectively determining the outer folding angle and the corresponding outer folding angle side line;

7) indentation cutting: the process line in the steps is completed on the paper box board body of the plane development diagram of the eight-edged stand by a flat pressing and flat die cutting machine, and comprises a first vertical auxiliary crease line Q1, a second vertical auxiliary crease line Q3, and a first external folding corner side line TT ', a second external folding corner side line T1T 1', a third external folding corner side line T2T2 'and a fourth external folding corner side line T3T 3' of external folding corner side lines corresponding to O, O1, O2 and O3 as rotating points;

8) folding: a first main side plate and a second main side plate of the octagonal frustum, which contain folding angles, are inwards extruded for 180 degrees along a first external folding angle side line, a second external folding angle side line, a third external folding angle side line and a fourth external folding angle side line respectively; the first main end plate and the second main end plate are respectively inwards extruded for 180 degrees along the first vertical auxiliary crease line and the second vertical auxiliary crease line;

9) gluing: gluing the printing surfaces of the first corner flap, the second corner flap, the third corner flap and the fourth corner flap, and respectively bonding the printing surfaces with the first main end plate and the second main end plate through gluing; and (5) finishing the manufacture of the octagonal frustum pyramid fruit box.