JPS6111304A - Paper pack filler - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a paper pack filling machine, and more specifically, the purpose is to fill liquid contents such as alcoholic beverages, fruit juices, or milk. This relates to forming and sealing devices for paper containers used in

Various filling plants have been proposed in which a paper pack forming device and a sealing device are attached to a filling line for liquid contents to continuously finish the final product. In such a liquid content filling line, which is well known as an automatic filling process,
Although it is necessary to adjust the operating speed of the filling line depending on the type and filling volume of the liquid content to be filled, the filling capacity of the liquid content and the filling capacity of the liquid content can be maintained under any operating conditions. If the paper pack forming and sealing capabilities are not balanced, waiting time will increase and the operating efficiency of the filling line will decrease. On the other hand, when looking at the configuration of the filling line from the equipment perspective,
A known paper pack filling machine installed in a liquid content filling line has a paper pack forming device, a liquid content filling device, and a paper pack opening sealing device arranged on a single plane. occupies the mainstream.

(°C) When installing a paper pack filling machine like the one above on a high-speed filling line where the final product delivery speed reaches, for example, 30 pieces per minute or more, it is necessary to Since the filling process proceeds in a fully automatic manner according to the input filling program, unless a special accident occurs, it is relatively easy to balance the filling capacity of liquid contents with the forming and sealing capacity of paper packs. In addition, from the viewpoint of improving the operating efficiency of the filling line, in such a high-speed filling line, the paper pack forming device, the liquid content filling device, and the paper pack opening sealing device are all installed on a single plane. They are often arranged at the top.

On the other hand, the delivery speed of the final product is, for example, 3 to 5 pieces per minute.
In low-speed filling lines for small quantities, the filling process proceeds in a semi-automatic manner that often requires manual operation by workers, so there is a gap between the filling capacity of liquid contents and the forming and sealing capacity of paper packs. The need to create a state of equilibrium is even greater;
Furthermore, from the standpoint of simplifying the configuration of the filling line, it is desired to adopt a device layout that is as compact as possible.

However, in many cases, conventional low-speed filling lines repurpose paper pack forming and sealing equipment for high-speed filling lines, and the capacity of the repurposed equipment is not compatible with the filling capacity of liquid contents, resulting in Improvements in line operating efficiency were being hindered.

Furthermore, since the paper pack forming device, the liquid content filling device, and the paper pack opening sealing device are arranged on the same plane, saving floor space in the filling line is restricted.

The main object of the present invention is to provide a paper bank filling machine capable of eliminating the above-mentioned disadvantages observed in conventional filling lines for liquid contents, especially low-speed filling lines in which the number of items filled per unit time is relatively small. It is about providing.

1. Structure of the Invention The present invention comprises a first radial arm (1) disposed at the lower stage to form the bottom of the paper pack (P), and a paper pack (P) whose bottom is sealed. After filling the paper pack with the liquid content, a second radial arm (2) disposed on the upper stage seals the top opening of the paper pack, and the first a drive device (D) with a barrel cam mechanism for intermittently rotating the radial arm (1) and the second radial arm (2); Temporary folding mechanisms (4), (5), (6) for the paper pack bottom seal section and top seal section arranged along the rotation path, and heating mechanisms (7), (8) for the seal section. , paper pack bottom sealing mechanism (
9), a liquid content filling device (10), and a paper pack top sealing mechanism (11).

Figure 1 is a top view of the paper pack filling machine according to the present invention.
FIG. 2 is a front view thereof. Furthermore, Fig. 3 is a top view of the first radial arm and its peripheral equipment, and Fig. 4 is a top view of the second radial arm.
FIG. 3 is a top view of the radial arm and its peripheral equipment.

In these drawings, the first radial arm (1) and the second radial arm (2) are supporting parts (12), (13) of the paper pack (P) extending radially orthogonally.
, and these radial arms (1) and (2
) is fixed to a drive shaft (16) extending through its axial center and supported for intermittent rotation by a drive device (D) connected to the lower end of the drive shaft (16). The drive device (D) is provided with a barrel cam mechanism (not shown) for causing intermittent rotational movement in the first radial arm (1) and the second radial arm (2).

A hollow prismatic paper pack (P) with a spout is inserted into the rotation path of the first radial arm (1) located at the lower stage while maintaining a predetermined phase angle as shown in Figure 3 □. Insertion and extraction station (14), hot air electric heater (7) for heating the bottom wall of the paper pack (P) and melting the polyethylene resin layer laminated on its inner and outer surfaces;
), a first pre-folding station (4) which provides a pre-folding action for forming the paper pack (P) whose bottom wall is heated, and a first pre-folding station (4) which applies the pre-folded and heated bottom of the paper pack (P); A paper bank bottom sealing mechanism (9) is sequentially disposed to form a liquid-tight sole structure at the bottom of the M paper pack by utilizing the fusion of the polyethylene resin layer melted under pressure. In the illustrated embodiment, the first radial arm (
1) along the rotation path of the paper bank (P) insertion and extraction station (14) and the hot air electric heater (7)
A phase angle of 180° is provided between the hot air heater (7) and the first pre-folding station (4), and a phase angle of 45° is provided between the hot air electric heater (7) and the first pre-folding station (4). Additionally, there is a temporary folding station (4) and a paper pack bottom sealing mechanism (9).
A phase angle of 45° is given between the two.

- On the rotation path of the second radial arm (2) located at the upper stage, a paper pack (P) whose bottom is sealed while maintaining a predetermined phase angle is attached as shown in Fig. 4. and a take-out station (15), a second temporary folding station (5) that performs a temporary folding operation for forming the upper end opening of the paper bank CP, a liquid content filling device (10), An additional third pre-folding station (6) to enhance the pre-folding function provided at the upper end opening of the paper pack (P) at the folding station (5), the paper pack (“)
A second hot air electric heater (8) for heating the upper end opening and melting the polyethylene resin layer laminated on the inner and outer surfaces of the upper end opening, and a temporarily folded and heated paper pack (P ) Sealing of the paper pack top by pressurizing the upper end opening and forming a liquid-tight seal structure at the upper end opening of the paper pack filled with liquid contents by utilizing the fusion of the molten polyethylene resin layer. Mechanism (11)
are arranged in sequence. In the illustrated embodiment,
Along the rotational path of the second radial arm (2), a phase angle of 45° is provided between the paper pack (P) loading and unloading station (15) and the second pre-folding station (5). A phase angle of 45° is provided between the second pre-folding station (5) and the liquid content filling device (10). Mat:1. The filling device (10) and the third
between the third temporary folding station (6) and the third temporary folding station (6) and the second hot air electric heater (
8), and a phase angle of 90° between the second hot air electric heater (8) and the paper pack top sealing mechanism (11). is given.

In the apparatus of the present invention, there is a paper pack (P) insertion and removal station (14) located in the lower stage and a paper pack (P) loading and unloading station (14) located in the upper stage.
5) A paper pack (P) in which the and are placed opposite each other, but the bottom is sealed! The take-out position of the paper pack (P) whose openings at the bottom and top ends are sealed is not limited to the above example;
) The paper pack (P) can be taken out from the support part (12) or (13) at any position until it reaches the support part (12) or (13).

First radial arm (1) and second radial arm (2)
is a drive device (D) having a barrel cam mechanism fixed to a common drive shaft (16) extending through its axis
), for example, is driven to rotate intermittently by an inverter motor. In this embodiment, the supply and take-out positions (14) and (15) of the paper pack (P), the heating position of the bottom of the paper pack by the first hot air electric heater (7) (the second hot air electric heating type Same as the heating position of the top of the paper pack by the heater (8)), the sealing position R of the bottom and top of the paper pack (
9), (11), and the liquid content filling position (1
0) for 10 seconds each and said first radial arm (1) and second radial arm (
2) is stopped, and during this time, the paper pack (P) is heated at the sealing part, filled with liquid contents, sealed at the bottom wall or top opening of the paper pack, and temporarily folded, and the paper pack is supported. Paper packs for parts (12) and (13) (
P) loading or unloading operation is given. except that the first radial arm (1) and the second radial arm (2) are stopped in the above positions for 10 seconds or 4 seconds, respectively.
It is driven to rotate intermittently at a rate of 2 seconds per 45° rotation angle.

Therefore, the first radial arm (1) and the second radial arm (2) are integrally fixed to the common drive shaft (16) and are driven by the inverter motor (D) with the barrel cam mechanism. It is driven to rotate intermittently at a speed of 72 seconds per rotation, and during this period, one paper pack (P) with its bottom wall or top opening sealed is manually taken out of the paper pack filling machine every 18 seconds. In a preferred embodiment of the present invention, along the movement path of the first radial arm (1) between the first temporary folding station (4) and the paper pack bottom sealing mechanism (9), A plate-like member (not shown) is arranged to press the folded seal area formed on the bottom wall of the paper pack by the first temporary folding station (4), and then press the folded seal area formed on the bottom wall of the paper pack by the first temporary folding station (4). Improves the sealing performance of the seal area.

The temporary folding mechanisms (4), (5), (6), heating mechanisms (7), (8), sealing mechanisms (9), (11), and liquid content filling device (10) include: Existing equipment commercially available for this purpose can be used;
A detailed explanation will be omitted.

In the paper pack filling machine according to the present invention, the paper pack (P
) loading and unloading station (14) and loading and unloading station (15) for paper packs (P)
At this time, the worker fits a paper pack (P) with a spout into the support part (12) of the radial arm (1) located at the lower stage, and then the first radial arm (1) rotates intermittently. Seal the bottom wall of the paper pack (P). Thereafter, the worker pulls out the paper pack <p> from the support part (12) and mounts the paper pack on the support part (13) of the radial arm (2) located at the upper stage. In this state, the second radial arm (
2) rotates intermittently to fill the paper bag (P) with liquid contents, and further seal the top opening of the paper bag. The finally obtained paper pack is taken out from the support portion (13) by an operator and transferred to a subsequent process, such as a weight and sealing condition inspection process or a packaging process, via a transport device (not shown).

C. Effects of the Invention As can be understood from the above explanation, the paper pack filling machine according to the present invention allows a part of the paper pack forming process, that is, inserting, mounting, and taking out the paper pack, to be performed manually by an operator. The device of the present invention, when used in a filling line for liquid contents, greatly contributes to improving the operating efficiency of the filling line. , it is easy to create an equilibrium state between the forming/sealing ability of the paper pack and the liquid content filling ability, and the first radial arm and the second radial arm are arranged vertically 21! ! By coaxially arranging the filling line, the installation space for the filling line can be significantly reduced compared to conventional equipment. Therefore, the present invention can exhibit remarkable effects in improving productivity and reducing product costs in a low-speed filling line for liquid contents for manufacturing paper pack products with relatively small lofts.

[Brief explanation of drawings]

FIG. 1 is a top view of the paper pack filling machine according to the present invention,
FIG. 2 is a front view thereof. Furthermore, Fig. 3 is a top view of the first radial arm and its peripheral equipment, and Fig. 4 is a top view of the second radial arm.
FIG. 3 is a top view of the radial arm and its peripheral equipment. (P) - paper pack, (1) - first radial arm, (
2) - Second radial arm, CD) - Drive device with barrel cam, (4) (5) (6) - Temporary opening mechanism for bottom seal and top seal of paper pack, (7)
8) - Heating mechanism for the sealing part, (9) - Sealing mechanism for the bottom of the paper pack, (10) - Liquid content filling device,
(IIL-・Paper pack top sealing mechanism.

Claims (1)

[Claims] (1) The first radial arm is placed at the lower stage to form the bottom of the paper pack, and after filling the bottom of the paper pack with liquid content, the top opening of the paper pack is sealed. a second radial arm disposed on an upper stage, a drive device with a barrel cam mechanism that intermittently rotates a second radial arm and a second radial arm that are rotatably fixed on the same axis; a temporary folding mechanism for the bottom seal portion and top seal portion of the paper pack disposed along the rotation path of the radial arm and the second radial arm, a heating mechanism for each of the seal portions, and a heating mechanism for the bottom seal portion of the paper pack; A paper pack filling machine comprising a sealing mechanism, a liquid content filling device, and a paper pack top sealing mechanism.