JPH078403Y2 - Automatic packaging machine with punching device for bag tearing - Google Patents

Description

[Detailed description of the device]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic wrapping machine with a piercing device for severing a bag body, which produces a sealed wrapping bag with a severing hole that can be opened from any position.

[Prior art]

In order to improve the unsealing property in a hermetically sealed packaging bag in which a heat-bondable packaging material is vertically folded or formed into two pieces while being transferred in the longitudinal direction, and a peripheral portion thereof is heat-sealed to seal the contents, A vertical automatic packaging machine in which V notches, I notches for opening or a large number of corrugated notches for opening are provided at required portions of the heat seal portion (for example, Japanese Utility Model Publication No. 52-6518 and Japanese Utility Model Publication No. 56-40552). Is well known. Furthermore, for providing a bag body in which pores for slitting are provided in the sealing portion of the sealing bag body (Japanese Utility Model Publication No. 54-22484), or for providing scratches densely along the edge line of the fused portion of the film. An automatic bag making and filling machine (Japanese Patent Laid-Open No. 60-193805), which is provided with a rubbing or pressing device using an abrasive, is also known.

[Problems to be solved by the device]

However, the aforementioned Japanese Utility Model Publication No. 52-6518 and Japanese Utility Model Publication No. 56-
Since the notch for opening disclosed in Japanese Patent No. 40552 is performed by a rotary cutter or a rotary knife that rotates in synchronization with the flow of the packaging material, the V notch, I
In the case of the notch, not only the vertical heat-sealing portion, but in the case of the corrugated notch, the forming portion is limited to the horizontal heat-sealing portion, and the above-mentioned V
In the case of notches and I-notches, it is difficult in terms of equipment to provide a large number of them in the vertical seal portion, and when the number is increased, the notch forming portion including the corrugated notch becomes weak, and the notch portion is formed. There was a problem that the tip of the bag was bent and the appearance of the bag was damaged. Further, the one disclosed in Japanese Utility Model Publication No. 54-22484 has a large film thickness due to the provision of perforations in the heat seal portion,
There are problems that the perforation is troublesome and that the heat-sealed portion may be damaged. Furthermore, in all of those disclosed in Japanese Patent Laid-Open No. 60-193805, since the easy-open portion is composed of scratches due to the abrasive material, the laminated portion of the film is scratched and heat sealing becomes uncertain. There was a problem that it became almost impossible. The present invention solves the above-mentioned problems, and it is possible to easily perform opening from any location in any direction, and the opening portion is not opened unnecessarily when it is not necessary, and the perforation is easy without damaging the sealing portion. It is an object of the present invention to provide an automatic wrapping machine with a perforating device for slitting, which can be performed at any time and can easily produce a well-formed sealed wrapping body in which the opening portion is not bent.

[Means for Solving the Problems]

The present invention has an object to solve the above-mentioned problems, and a guide member for continuously forming a strip-shaped packaging material into a tubular shape, and an end of a stack-shaped overlapping edge portion in the longitudinal direction of the tubular packaging material. Vertical sealing means for forming a cylindrical bag body by heat-sealing an unsealed portion having a predetermined width and the remaining palm-shaped overlapping edge portion inward from the edge, and a supply means for supplying a filling material into the cylindrical bag body. In the automatic packaging machine, which is provided with a lateral sealing means for heat-sealing the tubular bag body at predetermined intervals in a lateral direction to form a hermetically sealed bag body, at a predetermined position in front of the guide member, the packaging material of the packaging material is provided. The unsealed portion is provided with a piercing means composed of a pair of piercing rolls and a receiving roll having a large number of piercing needles for piercing a large number of micropores for severing a bag body.

[Action]

The strip-shaped packaging material is formed into a tubular shape by bending both side edges in the longitudinal direction by guide members as shown in the first and second drawings.
An unsealed portion having a predetermined width is formed inwardly from the palm-shaped polymerized edge portion in the longitudinal direction, and the remaining palm-shaped polymerized edge portion is heat-sealed in the vertical direction by a vertical sealing roll and the unsealed portion having the predetermined width is formed. A pair of perforating rolls and receiving rolls located at the lower part of the vertical seal roll in the seal portion are perforated with a large number of fine holes for bag bag cutting, and then a transverse seal roll traverses the vertical seal portion of the packaging material to form a packaging material. Is heat-sealed in the lateral direction, and after the contents are supplied and filled from the nozzle into the bag body to form a hermetically-sealed package, a pair of perforation rolls that are installed at the lower part of the horizontal seal rolls, if necessary, and A large number of microscopic holes for tearing are punched in the horizontal seal portion of the hermetically sealed package by the receiving roll, and then the horizontal seal portion is cut laterally from the center portion by a roll cutter to form a package as shown in FIG. It is to obtain a body.

【Example】

1 to 3 show an embodiment of the present invention.
Is a guide member that continuously forms a strip-shaped packaging material a into a tubular shape, and is attached to a required position of the machine body A. 2,2
Is a heat-sealing portion that forms a tubular bag body b by forming a longitudinal sealing portion 3 at the longitudinally overlapping edge portion of the tubular packaging material a.
It is a pair of vertical seal rolls provided with 2a. Reference numerals 4 and 4 denote a pair of horizontal seal rolls located below the vertical seal rolls 2 and 2 and attached to the machine body A. The horizontal seal rolls 4 and 4 traverse the vertical seal portion 3 of the packaging material a. A lateral heat seal portion 4a for heat sealing in the direction is provided. 5 is a lateral seal portion formed by the lateral heat seal portion 4a,
6 is a supply means for filling and supplying the content c,
Although the nozzle is shown in the case of the present embodiment, it is not limited to this. Reference numeral 7 is a perforating means for perforating a microscopic hole for severing the bag body, which is constituted by a perforating roll 7b in which a large number of perforating needles 7a are implanted and a receiving roll 7c. At a predetermined position, that is, between the vertical seal rolls 2 and 2 and the horizontal seal rolls 4 and 4 which are located on the downstream side in the flow direction of the strip-shaped packaging material a with respect to the guide member 1. A large number of microscopic holes 8 for tearing are provided in the unsealed portions 3a on both side edges in the longitudinal direction, and a large number are provided in the lateral sealed portion 5 of the packaging material a by providing the lower predetermined positions of the lateral seal rolls 4, 4 if necessary. The fine holes 8 for cutting can be formed. Although not shown, the driving of the punching means is configured to rotate the vertical seal roll 2 and the horizontal seal roll 4 at a rotation speed of 1: 1. Roll cutters 9 and 9 cut the lateral seal portion 5 laterally from the central portion. P indicates the completed sealed package with perforations for slitting.

【effect】

As described above, according to the present invention, a guide member for continuously forming a strip-shaped packaging material into a tubular shape, and a longitudinal palm-shaped overlapping edge portion of the tubular packaging material from the edge. A vertical sealing means for heat-sealing the unsealed portion having a predetermined width and the remaining palm-shaped overlapping edge portion to form a tubular bag body, and a supply means for supplying a filling material into the tubular bag body, In an automatic wrapping machine comprising a horizontal sealing means for heat-sealing the tubular bag body at predetermined intervals in a lateral direction to form a hermetically sealed bag body, at a predetermined position in front of the guide member, the packaging material is not sealed. Since a piercing means consisting of a pair of piercing rolls and a receiving roll in which a large number of piercing needles for piercing a large number of micropores for severing a bag body are planted in a portion, a conventional V notch, I notch,
A tear that does not unnecessarily open or bend the opening part when it is unnecessary, such as a corrugated cutout, and does not damage the appearance, and can easily perform opening from any place in any direction. In addition to being able to easily manufacture a micropore sealed package for use, the perforation means has a simple structure and can be easily attached to an existing device for use, and also has a vertical heat seal part. Since it is possible to provide fine pores for cutting in an unsealed portion of a predetermined width provided adjacent to, the conventional heat seal portion in the vertical direction is provided with pores for cutting, or scratches are formed by an abrasive. Compared to the one to be attached, perforation can be performed reliably and easily (because the film thickness is thin) without being affected by the type of film, and the heat seal in the vertical direction is not damaged, Excellent effects etc. Various capable of reliably performing Toshiru, it is capable to provide an advantage.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a front view,
FIG. 2 is a perspective view of the bag-filling portion of the same, and FIG. 3 is a perspective view of a hermetically sealed package having perforations for cutting. 1 ... Guide, 2 ... Vertical seal roll, 2a ... Heat seal part, 3
... Vertical seal part, 3a ... Unsealed part, 4 ... Horizontal seal roll,
4a ... Lateral heat seal part, 5 ... Lateral seal part, 6 ... Contents supplying means, 7 ... Perforating means, 7a ... Perforating needle, 7b ... Perforating roll,
7c ... Receiving roll, 8 ... Micropores for slitting, 9 ... Roll cutter, P ... Sealing package with perforations for slitting, A ... Machine, a ... Packaging material, b ... Cylindrical packaging, c ... Contents.

Claims (1)

[Scope of utility model registration request] 1. A guide member for continuously forming a strip-shaped packaging material into a tubular shape, and a cross-shaped overlapping edge portion in the longitudinal direction of the tubular packaging material having a predetermined width inward from the end edge. A vertical sealing means for heat-sealing the unsealed portion and the remaining palm-shaped overlapping edge portion to form a tubular bag body, a supply means for supplying a filling material into the tubular bag body, and the tubular bag body. In an automatic packaging machine provided with a horizontal sealing means that is heat-sealed laterally at predetermined intervals to form a hermetically sealed bag body, a large number of bag bodies are provided at a predetermined position in front of the guide member and in an unsealed portion of the packaging material. An automatic packaging machine equipped with a punching device for slitting a bag body, comprising a pair of punching rolls having a large number of punching needles for punching fine holes for slitting and a punching roll.