TWI758847B - Packaging container processing method - Google Patents

Abstract

A packaging container processing method, comprising a feeding step, a forming step, a cutting breaking line step and a cutting outer contour step, firstly forming an upper box body and a lower box body by a plastic suction mold and connecting the upper box body and the lower box body. The connecting parts are then cut by the breaking line die to move the non-rotating blade toward the connecting part at one time to form the breaking lines arranged at intervals. And keep the connected part, and finally make a packaging container with a broken line, which avoids the defects caused by the rolling-type dotted line knife in the past.

Description

Packaging container processing method

The present invention relates to the processing and manufacturing method of the packaging container, and particularly refers to the manufacturing of the packaging container which is easy to tear and easy to open.

The packaging containers made of blisterable materials are used to install articles, which are easy to produce and low in cost, and provide functions such as transportation and display when the goods are stored.

In order to facilitate the user to open the packaging container of the blister material, there is a packaging container that is easy to tear off, and the following outlines the forming and processing method of the packaging container of the blister material, and please refer to Figure 10, Fig. As shown in Figure 11, the raw materials used in the packaging container are continuously transported to the mold through the chains 71 on both sides of the packaging container. The position below the disc-shaped dotted line knife 72 is directly rotated/rolled by two dotted line cutters 72 along the part where the upper box body and the lower box body are connected to each other, and two breaking lines are drawn, and run through the connected parts, and then follow the above The outer contours of the box body and the lower box body are cut, and finally a packaging container with a fracture line is obtained. When the upper box body and the lower box body are closed to complete the packaging of the contents, the user only needs to tear off the connection between the upper box body and the lower box body along the breaking line, and then the packaging container can be easily opened, so that the packaging container can be separated. The upper box body and the lower box body are respectively a single component.

During the forming process of the aforementioned packaging container, due to the material toughness of the blisterable material and the rolling direction of the dashed knife 72 in the same direction as the feeding direction of the blisterable material, the dashed knife 72 exerts pressure on the absorbing material. When the plastic material is processed by the fracture line, the blister material will occasionally deflect, causing the fracture line to be skewed and affecting the unsmooth tearing action. The defect condition that occurs in the aforementioned breaking line processing, especially when the size of the sheet that has been blistered is smaller than the width between the two sides of the chain, because the sheet that has been blistered is transported by the chain. The lateral deflection condition occurs , and when the width dimension of the blister-formed sheet conforms to the width of the chain, the phenomenon of unsmooth conveying of the blister-formed sheet will occur.

The main purpose of the present invention is to provide a non-rotating blade for the breaking line processing of the packaging container during the forming of the packaging container, so as to avoid the defects caused by the rolling-type dashed line knife in the past, so as to obtain the packaging container with easy and smooth tearing action. .

A packaging container processing method, comprising the following steps: a feeding step, conveying a blister forming sheet to a blister mold; forming step, forming an upper box body and A lower box body, and the upper box body and the lower box body have a connecting part with each other; in the step of cutting the breaking line, the upper box body, the lower box body and the connecting part are formed and transported to a A fracture line mold, and the two non-rotating blades are moved by the aforementioned fracture line mold to form two fracture lines arranged at intervals at one time toward the connecting part; the aforementioned fracture line mold includes an upper part that can be closed and separated after the mold is closed. A mold and a lower mold, the two non-rotating blades are fixed to a knife seat with a fixed part interval, and are fixed to the upper mold with the knife seat; the lower mold is provided with a cutting board, the aforementioned connecting part is located on the cutting board, and is on the cutting board. When the upper mold and the lower mold are closed, a blade portion of the two non-rotating blades is moved toward the position of the chopping block; and when the upper mold and the lower mold are separated, the blade portion of the two non-rotating blades is separated from the The position of the cutting board; the aforementioned cutting edge portion and the aforementioned fixed portion are respectively located on both sides of the two non-rotating blades; the aforementioned breaking line includes multiple tearing grooves, multiple connecting sections and The plurality of tearing holes are staggered with each other, and the tearing groove does not penetrate through the connecting part, but the tearing hole penetrates the connecting part; and in the step of cutting the outer contour, the two breaking lines are cut to the connecting part by the aforementioned breaking line die and then sent to a The outer contour cutting mold is used to cut the outer contour of the upper box body and the lower box body with the cutting knife of the outer contour cutting mold and the connecting part is retained, and finally the packaging container with the two breaking lines is obtained.

1: Plastic forming sheet

11: Upper box body

12: Lower box

13: Connected parts

131: Breakline

132: Tear Groove

133: Connection segment

134: tear hole

15: Packaging Containers

2: Blister mold

3: Fracture Line Die

31: Non-rotating blade

311: Fixed part

312: Blade part

32: Upper mold

321: Upper box bump

322: Lower box bump

33: Lower mold

331: Groove

332: Upper Box Recess

333: Lower box groove

34: Knife holder

35: Cutting Board

4: Outer contour cutting die

41: Cutter

71: Chain

72: Dotted Knife

The first figure is a flow chart of the present invention.

The second figure is a schematic diagram of the packaging container of the present invention before processing.

The third figure is a schematic diagram of the processing of the packaging container of the present invention.

The fourth figure is a partially exploded perspective view of the fracture line mold of the present invention.

The fifth figure is a schematic cross-sectional view of the fracture line mold clamping process of the present invention.

The sixth picture is a schematic diagram of the separation action of the fracture line mold after the processing of the fifth picture after the mold is closed.

Fig. 7 is a three-dimensional schematic view of the packaging container prepared by the packaging container processing method of the present invention.

The eighth figure is a schematic cross-sectional view of the line segment VIII of the seventh figure.

Figure 9 is a schematic cross-sectional view of another packaging container.

Figure 10 is a schematic diagram of the processing of the conventional shaped packaging container.

Fig. 11 is a schematic diagram of a broken line of a conventional dashed-line knife for processing a blisterable material.

Please refer to Figures 1 to 3, which discloses a packaging container processing method, which includes the following steps: a feeding step, conveying a blister forming sheet 1 to a blister mold 2; In the forming step, an upper box body 11 and a lower box body 12 are formed from the aforesaid blister forming sheet 1 by the aforementioned blister mold 2, and the aforementioned upper box body 11 and the aforementioned lower box body 12 have a connecting part 13 with each other. The step of cutting the breaking line, after forming the upper box body 11, the lower box body 12 and the connecting part 13 through the aforementioned plastic mold 2, is transported to a breaking line mould 3, and is moved by the aforementioned breaking line mould 3 for two non-rotating The blade 31 cuts toward the connecting portion 13 once to form two break lines 131 arranged at intervals; and in the step of cutting the outer contour, the two break lines 131 are cut to the connecting portion 13 through the aforementioned breaking line die 3 and then sent to an outside The contour cutting die 4 is used to cut the outer contour of the upper box body 11 and the lower box body 12 with the cutting knife 41 of the aforementioned outer contour cutting die 4 and the connecting part 13 is retained, and finally the two fractures are obtained. Packaging container 15 of line 131 .

In the present invention, in the step of cutting the breaking line, the breaking line mold 3 is equipped with a non-rotating blade 31, and the non-rotating blade 31 is moved directly toward the connecting part 13 to perform a cutting operation, that is, the upper box body 11 and the lower box body 11 can be cut. The connection parts 13 of the boxes 12 are connected to each other to form the fracture lines 131 arranged at intervals, so that the defects caused by the use of the rotary/rolling type dotted line knife in the prior art can be avoided, so the tearing action can be made easy, convenient and convenient. Smooth packaging container 15.

The fracture line mold 3 is equipped with a non-rotating blade 31, and its cutting direction is not limited, that is, the cutting edge of the non-rotating blade 31 can be applied in the same direction as the conveying direction of the blister-forming sheet 1 or in an alternate direction, so the usability It is not limited by the prior art that the rotation direction of the dotted line knife is the same as the feeding direction of the material, and at the same time, it can overcome the skew of the fracture line 131 caused by the use of the rotary/rolling dotted line cutter in the above-mentioned prior art. Affects the defect that the tearing action is not smooth.

The present invention further includes a collecting step after the step of cutting the breaking line. After the aforementioned cutter 41 cuts the outer contour of the packaging container 15, the packaging container 15 is dropped from the hollow below the outer contour cutting die 4 to facilitate collection and stacking. Arranged, as shown by the arrow in the third figure, and the packaging containers 15 are in a push-to-stack arrangement.

To further illustrate the detailed technical features of the present invention, please refer to the fourth to sixth figures, wherein the aforementioned fracture line mold 3 includes an upper mold 32 and a lower mold 33 that can be separated after clamping and clamping. The two non-rotating molds The blade 31 is fixed to a knife seat 34 at intervals by a fixed portion 311, and is fixed to the upper mold 32 by the knife seat 34 (the aforementioned knife seat 34 is movably installed and fixed to the bottom position of the upper mold 32); the lower mold 33 A cutting board 35 is provided, and the aforementioned connecting portion 13 is located on the cutting board 35, and a blade portion 312 of the two non-rotating blades 31 moves toward the cutting board 35 when the upper mold 32 and the lower mold 33 are closed; and When the upper mold 32 and the lower mold 33 are closed and separated, the cutting edge portions 312 of the two non-rotating blades 31 are separated from the cutting board 35 ; position on both sides. Therefore, when the breaking line mold 3 is closed, the cutting edge portion 312 of the non-rotating blade 31 cuts the connecting portion 13 to form the breaking lines 131 arranged at intervals, and the cutting board 35 provides the cutting edge portion 312 to cut the breaking line 131. support. The aforementioned blade portion 31 has a plurality of serrations arranged at intervals.

In addition, the lower die 33 is provided with a groove 331, and the anvil 35 is fixed to the groove 331, and the anvil 35 does not exceed the outside of the groove of the groove 331, and the upper surface of the anvil 35 is flush in the figure Take the upper surface of the lower mold 33 as an example.

The upper mold 32 has an upper case protrusion 321 and a lower case protrusion 322 corresponding to the upper case 11 and the lower case 12 respectively, and the lower mold 33 has an upper case 11 and the lower case respectively. The box body 12 has an upper box cavity 332 and a lower box groove 333 . When the upper mold 32 and the lower mold 33 are clamped, the upper box body 11 is limited and positioned by the upper box protrusions 321 and the upper box recesses 332, and the lower box body 12 is constrained by the lower box protrusions 321. Two positions of the block 322 and the lower box groove 333 restrict positioning. When the upper mold 32 is closed with the lower mold 33 When the upper case is separated, the upper case protrusion 321 and the upper case recess 332 are disengaged from positioning the upper case body 11 , and the lower case protrusion 322 and the lower case groove 333 are disengaged from the positioning of the lower case body 12 . In this way, when the upper mold 32 and the lower mold 33 are clamped, the upper case body 11 is constrained and positioned by the upper case protrusions 321 and the upper case recesses 332, and the lower case protrusions 322 and the upper case body 11 are limited and positioned. The two positions of the lower box groove 333 limit the positioning of the lower box body 12, and complete the processing and positioning of the upper box body 11 and the lower box body 12 on the fracture line mold 3, so that the connecting part 13 can be stabilized in the step of cutting the fracture line. The position above the groove 331 can be flatly cut to form the two break lines 131 arranged at intervals.

Regarding the above-mentioned implementation forms of the breaking line 131 , two types are listed below.

The first type of breaking line 131 includes a plurality of tearing grooves 132 and a plurality of connecting segments 133 staggered with each other, and the tearing grooves 132 do not penetrate the connecting portion 13 , as shown in the seventh and eighth figures.

The second type of breaking line 131 includes a plurality of tearing grooves 132, a plurality of connecting sections 133 and a plurality of tearing holes 134 arranged in a staggered manner, and the tearing grooves 132 do not penetrate the connecting part 13, while the tearing holes 134 penetrate the connecting part 13, As shown in Figure 9.

Claims (4)

A packaging container processing method, comprising the following steps: a feeding step, conveying a blister forming sheet to a blister mold; forming step, forming an upper box body and A lower box body, and the upper box body and the lower box body have a connecting part with each other; in the step of cutting the breaking line, the upper box body, the lower box body and the connecting part are formed and transported to a A fracture line mold, and the two non-rotating blades are moved by the aforementioned fracture line mold to form two fracture lines arranged at intervals at one time toward the connecting part; the aforementioned fracture line mold includes an upper part that can be closed and separated after the mold is closed. A mold and a lower mold, the two non-rotating blades are fixed to a knife seat with a fixed part interval, and are fixed to the upper mold with the knife seat; the lower mold is provided with a cutting board, the aforementioned connecting part is located on the cutting board, and is on the cutting board. When the upper mold and the lower mold are closed, a blade portion of the two non-rotating blades is moved toward the position of the chopping block; and when the upper mold and the lower mold are separated, the blade portion of the two non-rotating blades is separated from the The position of the cutting board; the aforementioned cutting edge portion and the aforementioned fixed portion are respectively located on both sides of the two non-rotating blades; the aforementioned breaking line includes multiple tearing grooves, multiple connecting sections and multiple tearing holes staggered with each other, and the tearing grooves are not Passing through the connected parts, and the tear hole penetrates the connected parts; and in the step of cutting the outer contour, the two breaking lines are cut to the connected parts by the aforementioned breaking line die, and then sent to an outer contour cutting die, and cut with the aforementioned outer contour The cutter of the mold cuts toward the outer contour of the upper box body and the lower box body and retains the connecting portion, and finally a packaging container with the two breaking lines is produced. The packaging container processing method according to claim 1, wherein the lower mold is provided with a groove, the anvil is fixed to the groove, and the anvil does not exceed the outside of the groove of the groove. The packaging container processing method as claimed in claim 1, wherein the upper mold has an upper case protrusion and a lower case protrusion corresponding to the upper case body and the lower case body respectively, and the lower mold has respectively corresponding to the upper case body and the lower case body. There should be an upper box cavity and a lower box groove between the upper box body and the lower box body; when the upper mold and the lower mold are clamped, the upper box body is formed by the upper box protrusion and the upper box cavity. The positioning is limited by two positions, and the lower box is limited and positioned by the lower box protrusion and the lower box groove; when the upper mold and the lower mold are separated after clamping, the upper box protrusion and the upper box are positioned. The box recess is disengaged from positioning the upper box body, and the lower box protrusion and the lower box groove are disengaged and positioned on the lower box body. The packaging container processing method according to claim 1, further comprising a collecting step after the step of cutting the breaking line, and after the outer contour of the packaging container is cut out by the cutter, the packaging container is hollowed below the outer contour cutting die drop.

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