JPH0912002A - Chute for automatic charging and wrapping device - Google Patents

Abstract

PURPOSE: To provide a chute which feeds into a bag body a content suited to an automatic charging and wrapping device for manufacturing a band-shaped wrapped body out of a band-shaped wrapping member by three-way sealing. CONSTITUTION: This chute 9 is provided with a rectangular opening, and either of two wall surfaces whose longer side is taken as a side formed into a vertical surface. An automatic medicine feeder provided with this chuter can mass- produce good products promptly for high productivity without leaking a part of medicines to the outside of a system, losing medicines of a raw material and deteriorating environment as well as generating malfunction of the rotating part of an apparatus, especially breakdown of the apparatus resulting from medicines entering the bearing of a divided sealing device 3 and subsequent operation stoppage even if the feeder operates at a high speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for packaging various chemicals such as oxygen scavengers by seal packaging, and is used in the chemical industry, pharmaceutical industry, food industry, etc. for producing products of various chemicals. It is a thing.

[0002]

2. Description of the Related Art Various drugs are packaged in various forms according to their purpose or usage, and among them, there is a method of storing the drug in a small bag made of plastic film or paper. For example, oxygen absorbers are widely used as a quality maintaining method for processed foods, agricultural and marine products, metal products, precision parts, textile products, etc. because of their simplicity and high quality maintaining effect, but most of them use plastic film or paper. As a packaging material, it is used in a form in which a small bag is formed by seal packaging and an inner package such as a drug is contained therein. One of the methods is to continuously feed a long packaging material horizontally and fold it in half from the center in the longitudinal direction to form a gutter or V-shaped packaging material with the folds at the bottom, and at regular intervals. A sealing portion is formed orthogonally to the longitudinal direction to form a continuous bag shape, a predetermined amount of the composition for oxygen scavenger is filled from the opening upper portion, and then a large number of so-called three-way seals for sealing the upper opening portion are used. There is a method of forming a band-shaped package having a series of packages, and individually cutting the obtained band-shaped package with a cutter at a seal portion to obtain individual packages or winding the product. As an apparatus suitable for this method, there is an automatic packaging machine disclosed in JP-A-49-103784. This device forms a bag by sealing in a direction that divides the longitudinal direction of a continuous bottomed gutter-shaped packaging material, and fills this bag with contents such as medicines, and then seals the upper opening. Filling and packaging type, in which a plurality of divided sealing devices are arranged in the peripheral portion of a rotating body, and a measuring-feeding hopper for supplying a medicine, which rotates in synchronization with the rotating body, is provided. A chute for filling and lowering medicine having an opening between them is provided in the lower part of the hopper, and the chute-shaped continuous packaging material is rotatably transferred while being sandwiched by the sealing devices. The packaging material is configured to be simultaneously supplied into the bag of the packaging material formed by the sealing device.

[0003]

SUMMARY OF THE INVENTION The above automatic packaging machine can significantly improve the feeding speed of the packaging material without being completely controlled by the time required for sealing and the feeding time of the inclusions.
This makes it possible to mass-produce good products quickly and with high productivity, and it is also an excellent product that can eliminate waste caused by dropping the inclusions out of the route when supplying the inclusions from the hopper to the chute. Is. However, with the device, a small package such as an oxygen absorber, for example, a small oxygen absorber with a size of 30 × 30 (internal method) of 600 to 8 is used.
The present invention has found that when filling and packaging at a high speed such as 00 packets / minute, a problem occurs in the supply of the drug through the chute. That is, when the rotary body provided with the split seal device and the chute is rotated at a high speed in accordance with the production amount of 600 to 800 packets / minute, not all the medicine is supplied to the bag through the chute, and Partly leaks to the outside of the system, which causes loss of raw material chemicals, deteriorates the environment, and causes equipment failure due to chemical penetration into the rotating parts of the equipment, especially the bearings of the split seal device. The problem of shutdown will occur.

In view of such a present situation, the present invention provides an automatic filling and packaging apparatus such as the above automatic packaging machine, which has 600 to 800
It is an object of the present invention to find and provide a method capable of preventing leakage of the inclusions to the outside of the system even when operating at a high speed in order to achieve the production amount of the inclusions / minute or more. The inventors of the present invention have made various studies on improvement of the above-mentioned device in order to achieve this object.

[0005]

Means for Solving the Problems The present inventor has conducted extensive studies and found that if a chute has a specific structure, it is possible to prevent inclusions such as chemicals from leaking out of the system even at high speed operation. They found out and completed the present invention. That is, according to the present invention, a strip-shaped packaging material supplied in a continuous gutter shape is two-way sealed by sealing the strip-shaped packaging material perpendicularly to its longitudinal direction with a plurality of sealing devices arranged in the peripheral portion of the rotating body. The bag is formed, and the inclusions are fed from a metering hopper provided above the rotating body through a chute with a vertically movable tip attached between seal devices along the circumference of the rotating body. Is a chute in an automatic filling and packaging device that supplies the bag to the bag from its opening and seals the opening, the chute having a rectangular opening, and having a long side on one side of a two-sided wall surface. The present invention relates to a chute for an automatic filling and packaging apparatus, characterized in that one of the surfaces is a vertical surface.

The present invention will be described in detail below with reference to the drawings. FIG. 1 shows the structure of an automatic filling and packaging apparatus used in the present invention, and is a plan view of the apparatus. In the drawing, reference numeral 1 denotes a packaging material having a heat-sealable synthetic resin layer provided on the inner surface thereof, which is continuously wound in a roll shape and guided by a folding guide 2 to be folded in half in the longitudinal direction. It becomes a bottom gutter shape and is folded into the sealing device 3, and its feeding is fed from a position where the movable piece 3a of the sealing device 3 is opened. As the sealing device 3 rotates, the sealing device 3 is pressed and clamped so that the longitudinal direction of the continuous bottomed trough-shaped packaging material 1 is divided at equal intervals, and the sealing device 3 rotates while sealing. The sealing device 3 is a plate-type sealing device, and a plurality (16 in the illustrated example) are provided at equal intervals on the peripheral portion of the rotating body 4. The movable piece 3a of each sealing device is formed by the rail 5 so that its rotation locus is substantially Each one-third route part is configured to sandwich and crimp the packaging material, and the remaining two-third route part is opened, and the fed continuous bottom gutter-shaped packaging material 1 is The seal device 3 is pressed and clamped so as to be divided at equal intervals, and is rotated while being sealed. On the other hand, a funnel-shaped chute 8 having a circular opening is provided in the rotating body 4 so as to be able to move up and down by a lower cam (not shown), and is shaped like a gutter before the sealing device 3 clamps and presses the packaging material 1. Is guided to the upper part of the packaging material 1 and its tip is inserted into the trough-shaped packaging material 1 by the action of the cam. In this state, the sealing device 3 clamps and presses both sides of the chute 9 to heat-bond the packaging material 1. The metering feed hopper 6 for supplying the inclusions is also a rotator, and the fixed amount filling port 7 opened to the side of each sealing device 3
Are provided along the peripheral edge, and a blind plate (not shown) is independently and fixedly provided on the lower surface of the quantitative filling port 7, and the supply hopper 6 moves relative to the blind plate to perform quantitative filling. The opening 7 is opened and closed, and is opened only when the fixed quantity filling port 7 is positioned in the cycle in which the sealing device is closed. The portion where the fixed quantity filling port 7 changes between the open state and the closed state is opened. The scraper 8 is provided so that it may be partitioned. The chute 9 is a funnel-shaped chute having a circular opening provided in the rotating body 4 so as to be able to move up and down. The chute 9 is provided corresponding to each fixed amount filling port 7 and is lifted up and down by a lower cam to form a continuous bottomed gutter. It is possible to descend into the packaging material 1. The inclusions such as chemicals are put in a portion surrounded by the scraper 8 in the supply hopper 6 and the fixed quantity filling port 7 is closed, and the inclusions are fixed while the fixed quantity filling port 7 is closed. After entering the inside and scraping the upper part by the scraper 8 with the rotation of the supply hopper 6 and measuring a fixed amount,
When the lower portion of the fixed quantity filling port 7 reaches the opening position, it drops into the lower chute 9 and is supplied between the sealing portions of the gutter-shaped packaging material 1. After that, when the rotating body 4 rotates and the sealing is completed, the sealing device 3 is released from the rail 5 and opened, and the chute 9 is pushed up by the cam and pulled out from the packaging material 1, and the packaging material 1 is sent out in the tangential direction as it is. The upper part is continuously sealed by the rotary roll type seal device 10, and the rotary cutter 11 cuts and separates each bag.
In this case, the plurality of sealing devices 3 and the chute 9 simultaneously seal the plurality of places and fill the plurality of places at the same time, and if the rotating shaft makes one rotation, 16 packed packages are provided as illustrated. Is obtained.

In the present invention, the chute of the automatic filling and packaging apparatus shown in FIG. 1, that is, the chute provided on the rotating body so as to be able to move up and down is changed from the conventionally known funnel-shaped opening to the second one. It is characterized by using a chute in which the upper opening as shown in the drawings and FIG. 3 is rectangular, and one surface of which is perpendicular to the long side of the rectangle. The chute of the present invention is provided on the rotating body so as to be able to move up and down. The position for mounting the chute on the rotating body is 30 to 60 ° with respect to the diameter direction of the rotating body, that is, the corner of the opening is It is preferable to make the tip end in the moving direction of the chute, and it is preferable that the wall surface having the long side starting from the tip end as one side constitutes a vertical surface. As the rectangle forming the opening, it is preferable that the ratio of the short side to the long side is 1: 1.5 to 2. In addition, as a matter of course, the length of the short side must be longer than the diameter of the opening of the fixed quantity filling port, and the corners are rounded (R is added) for the sake of equipment maintenance. Can also be used as a rectangle, the vertical surface does not necessarily have to be geometrically vertical, and a device having a slight inclination can be used without any problem.

[0008]

Although the reason why the leakage of the inclusions from the chute can be prevented by using the chute of the present invention is not clear, the advantage of the conventional automatic filling and packaging apparatus by the use of the chute of the present invention is unknown. That is, filling is performed at the same time during the sealing without the sealing required time of the sealing device, the sealing required time and the filling required time are overlapped, and these are performed during the transfer of the packaging material. In order to seal other parts at the same time by the continuous sealing device afterwards while performing, filling and packaging can be performed while continuously supplying and feeding the packaging material without intermittently feeding it. It is possible to produce a large number of products at a time even if the feed is constant, regardless of the time required or the time required for filling, and the production amount per unit time is not While taking advantage to excellent, it is able to significantly increase the feed speed of the packaging material.

[0009]

EXAMPLES The present invention will be described below based on examples. [Comparative Example] 80 mm obtained by laminating a breathable polyester film and a low melting point polyethylene film
A small oxygen absorber having a size of 30 × 30 (internal method) was produced at a rate of 600 packets / minute by using the width of the packaging material and the automatic drug feeder shown in FIG. When 8 hours a day of operation was continued for 20 days, a part of the sealing device was not working properly. Therefore, when the operation was stopped and the sealing device was replaced and inspected, the inside of the bearing used in the sealing device was checked. It was observed that the powdered raw material drug entered the and suppressed the movement. [Example] The chute was replaced with that shown in FIGS. 2 and 3, and the long side was about 30 ° with respect to the diameter direction of the rotating body.
An oxygen scavenger was produced under the same conditions as in the comparative example except that the oxygen absorber was used while being tilted. No abnormalities were found in the operation of the automatic drug feeder even if the operation was continued for 8 hours a day for 40 days, and there was no problem in the movable condition of the seal device which is particularly susceptible to dust, but just in case, The seal device was disassembled and the state of the bearing was inspected, but it was in good condition without the inclusion of powder or the like.

[0010]

EFFECTS OF THE INVENTION The automatic drug feeder using the chute of the present invention leaks a part of the drug to the outside of the system even if it is operated at a high speed, leading to loss of the drug as a raw material and deteriorating the environment. In addition, there is no problem of equipment failure due to chemical intrusion into the rotating part of the equipment, especially the bearing of the split seal device, resulting in stoppage of operation, high-speed mass production of good products and high productivity. It has an excellent effect that the above can be achieved.

[Brief description of the drawings]

FIG. 1 is a plan view showing the configuration of an automatic drug supply device.

FIG. 2 is a plan view of the chute of the present invention.

FIG. 3 is a side view of the chute of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Packaging material 2 Bending guide 3 Sealing device 3a Moving piece of sealing device 4 Rotating body 5 Rail 6 Measuring and feeding hopper 7 Fixed amount filling port 8 Scraper 9 Chute 10 Rotating roll type sealing device 11 Rotating cutter

Claims (1)

[Claims] 1. A two-way seal is obtained by sealing a strip-shaped packaging material supplied in a continuous gutter shape with a plurality of sealing devices arranged in the peripheral portion of a rotating body perpendicularly to the longitudinal direction thereof. While forming a bag, the contents are fed from a metering hopper provided above the rotating body through a chute with an openable tip that is mounted between each sealing device along the circumference of the rotating body. A chute in an automatic filling and packaging device that supplies the bag from its opening and seals the opening, wherein the chute has a rectangular opening,
A chute for an automatic filling and packaging apparatus, characterized in that one of two wall surfaces having one long side is a vertical surface.