JP2003095226A - Filling machine for paper container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a filling machine for a paper container, which is provided with a paper dust removing device with a static eliminator, cleaning the inside of the paper container after the molding of a bottom part in a previous process at a filling station, so as to eliminate the static electricity inside the paper container and paper powder and enable an improvement in sanitariness. SOLUTION: In the filling machine for the paper container 1, there are sequentially provided a molding station 20 for molding the bottom part of the paper container 1 by using a mandrel 2, the filling station for infilling a content liquid, and a sealing station for sealing a top part of the paper container 1 after the content liquid is infilled. The filling machine is characterized in that the paper powder removing device 31 with the static eliminator, which is used to remove the paper powder inside the paper container 1 after the bottom part of the paper container 1 is molded at the molding station 20, is arranged ascendably/ descendably with respect to the paper container 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper container filling machine in which forming, filling, and sealing stations are sequentially provided, and after the bottom of the paper container is formed at the forming station, The present invention relates to a paper container filling machine provided with a paper dust removing device with a static electricity removing device for removing paper dust inside.

[0002]

2. Description of the Related Art Conventionally, for example, a composite type packaging container made of processed paper and resin for filling liquid food such as milk and soft drink is called a mandrel 2 at a molding station 100 as shown in FIG. After the bottom of the paper container is molded by heat sealing with the mold, the puller device 111
Is sucked by and taken out of the mandrel 2 and supplied as a paper container 1 having a bottom on the conveyor 200.
Therefore, in this state, the paper container 1 becomes a paper container 1 that can be filled with the content liquid as a container without a lid.

Next, the contents liquid is filled in the paper container 1 sent to the filling station 300 in the next step by the conveyor 200, and then sent to the sealing station 400, where the upper part of the paper container 1 is placed. The paper container 1 is pressed into a desired shape and sealed by the sealing machine 401, and is formed into the paper container 1 having the final shape.

[0004]

By the way, in a composite type packaging container made of processed paper and resin, when the paper container 1 whose bottom is molded is taken out from the mandrel 2, static electricity is generated due to peeling.

When the paper container 1 is thus charged with static electricity,
Since the inside of the paper container 1 is contaminated by adsorbing paper dust or the like, there is a problem that hygiene is deteriorated.

Therefore, according to the present invention, a paper dust removing device with a static electricity removing device for cleaning the inside of the paper container after the bottom portion is molded in the preceding step of the filling station is provided to remove static electricity and paper dust inside the paper container. An object of the present invention is to provide a paper container filling machine that can be removed to improve hygiene.

[0007]

In order to achieve the above object, the invention of claim 1 forms the bottom of a paper container with a mandrel, fills the content liquid, and then seals the top of the paper container. In a paper container filling machine in which molding, filling, and sealing stations are sequentially provided, static electricity removal for removing static electricity and paper dust inside the paper container after the bottom of the paper container is molded at the molding station A paper dust removing device with a device is arranged so as to be movable up and down with respect to the paper container.

In this paper container filling machine, static electricity charged inside the paper container is removed by the static electricity removing device, and dust such as paper dust is removed by the paper dust removing device at the same time.
The inside of the paper container is cleaned. In this case, by electrostatically removing the paper dust or dust that has conventionally been attached to the paper container and could not be easily removed, the paper dust or dust can be released from the paper container and easily removed. Therefore, the hygiene of the paper container can be improved.

A second aspect of the present invention is the paper container filling machine according to the first aspect, wherein the paper dust removing device with the static electricity removing device blows air to the lower inside of the paper container, and A suction pipe that is arranged in parallel in the blow pipe to suck air from below the inside of the paper container, and a static elimination electrode that is provided in at least one of the blow pipe and the suction pipe to remove static electricity. And

In this paper container filling machine, dust such as paper dust inside the paper container is lifted by blowing air from the blow pipe toward the lower inside of the paper container, and at the same time, the suction pipe causes By sucking air from the lower inside, dust such as paper dust that has been lifted is sucked and discharged to the outside. At the same time, static electricity charged inside the paper container is removed by the action of the static elimination electrode.

Therefore, since static electricity charged inside the paper container is removed, dust such as paper dust is removed at the same time.
The hygiene of the paper container can be improved.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a paper dust removing device with a static electricity removing device according to the present invention will be described below.

First, the outline of each station of molding, paper dust removal, filling and sealing in the embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 2, the molding station 20.
Then, by a mold called a mandrel 2 in which a cylindrical paper packaging material 21 is arranged in a plane that intersects the conveyor 22 at 90 degrees,
After the bottom portion of the paper container is molded by heat sealing, the paper container puller device 23 sucks it and supplies it onto the conveyor 22 through the bottom rail (not shown) 3. In this state, the paper container 1 is a container without a lid and having a bottom portion, for example, a container that can be filled with a content liquid such as milk or soft drink.

Next, the paper container 1 is sent to the paper dust removing station 30 in the next step by the conveyor 22, and the paper dust inside the paper container 1 is removed by the paper dust removing device 31 with the static electricity removing device. In this way, the paper container 1 whose interior has been cleaned is sent to the filling station 50 in the next step by the conveyor 22, and the content liquid is filled into the paper container 1 from the filling nozzle.

At this filling station 50, the paper container 1
Before the filling of the content liquid is started, the paper container 1 is lifted up until the tip of the filling nozzle comes close to the bottom of the empty paper container 1 and the filling of the content liquid is started. Then, the paper container 1 descends while being filled with the content liquid. This is to always keep the drop drop when the content liquid is filled, to prevent the content liquid from jumping and to prevent bubbles from forming as much as possible.

The paper container 1 thus filled with the content liquid is
After moving on the conveyor 22 and the upper part of the paper container 1 is heated by a heater, it is sent to the sealing station 60.

At the sealing station 60, the upper portion of the paper container 1 is compressed into a desired shape by the sealing machine 61 and sealed to form the final shape paper container 1 filled with the content liquid.

Next, the paper dust removing device 31 with the static electricity removing device will be described.

Paper dust removing device 31 with this static electricity removing device
As shown in FIG. 1, a blow pipe 32 that blows air toward the lower inside of the paper container 1, and a suction pipe that is arranged inside the blow pipe 32 and that sucks air from the lower inside of the paper container 1. 33 and the blow pipe 3
2 and a static elimination electrode 34 that removes static electricity.

The blow pipe 32 has a straight lower end opened, and the suction pipe 33 is also provided.
Has a lower end extending downward from the lower end of the blow pipe 32 and opening in a trumpet shape.

The blow pipe 32, the suction pipe 33, and the static elimination electrode 34 attached to the blow pipe 32 are integrally connected to an elevating drive means 35 for elevating the filling nozzle of the filling starter 50.

The blow pipe 32 and the suction pipe 33 are in communication with a blow-and-suction device 36, respectively, and the static elimination electrode 34 is connected to a high-voltage power supply unit 37.

The static elimination electrode 34 may be attached to the suction pipe 33.

According to the paper container filling machine, dust such as paper dust inside the paper container 1 is lifted up by blowing air from the blow pipe 32 toward the lower inside of the paper container 1 and at the same time. By sucking air from below the inside of the paper container 1 by the suction pipe 33, the dust such as the floated paper powder is sucked and discharged to the outside. At the same time, the static electricity charged inside the paper container 1 is removed by the action of the static elimination electrode 34.

Therefore, in this embodiment, the paper container 1 is conventionally used.
By electrostatically removing the paper powder and dust that adhered to the paper and could not be easily removed, the paper powder and dust can be released from the paper container 1 and easily removed. At the same time that the generated static electricity is removed, dust such as paper dust c
Since it is removed, the hygiene of the paper container 1 can be improved.

[0027]

As described above, according to the first aspect of the present invention, the mandrel forms the bottom of the paper container, the content liquid is filled, and then the top of the paper container is sealed. In a paper container filling machine in which each sealing station is sequentially provided, a paper dust removing device for removing static electricity and paper dust inside the paper container after the bottom of the paper container is molded at the molding station By disposing the device so that it can be inserted into and removed from the paper container, static electricity charged inside the paper container is removed by the static electricity removing device and dust such as paper dust is simultaneously removed by the paper dust removing device, The inside of the paper container is cleaned. Further, conventionally, the paper powder or dust that adheres to the paper container and cannot be easily removed can be removed electrostatically to release the paper powder or dust from the container and easily remove it. Therefore,
The hygiene of the paper container is improved.

According to the invention of claim 2, in addition to the effect equivalent to that of the invention of claim 1, it is possible to remove static electricity and dust such as paper powder with a simple structure.

[Brief description of drawings]

FIG. 1 is a schematic cross-sectional view showing a paper dust removing device with a static electricity removing device according to an embodiment of the present invention.

FIG. 2 shows molding, paper dust removal, and
It is a schematic explanatory drawing of each station of filling and sealing.

FIG. 3 is a schematic explanatory diagram of each station for molding, filling, and sealing of a conventional paper container filling machine.

[Explanation of symbols]

1 paper container 2 mandrels 20 molding station 31 Paper dust removing device with static electricity removing device 32 blow pipe 33 Suction pipe 34 Static elimination electrode

Claims (2)

[Claims] 1. A paper container filling machine in which a mandrel is used to form the bottom portion of a paper container, to fill the liquid content, and then to seal the top portion of the paper container, where molding, filling, and sealing stations are sequentially provided. In the above, a paper dust removing device with a static electricity removing device for removing static electricity and paper dust inside the paper container after the bottom portion of the paper container is molded at the molding station is arranged to be movable up and down with respect to the paper container. A filling machine for paper containers characterized in that 2. The paper container filling machine according to claim 1, wherein the paper dust removing device with a static electricity removing device includes a blow pipe for blowing air to the lower inside of the paper container, and A paper container, which is provided with a suction pipe for sucking air from the lower inside of the paper container, and a static elimination electrode provided on at least one of the blow pipe and the suction pipe for removing static electricity. Filling machine.