JP2014201331A - Container filling packaging system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container filling packaging system that can reliably detect mixture of a sticker and determine the product as a defective product, when the sticker stuck on a container filling packaging machine is peeled off and mixed in a packaging container.SOLUTION: A container filling packaging system 1 includes: a bag filling packaging machine 2 including a rotating table 22, a gripper 24, a bag feeding device 25, a bag mouth opening device 27, a liquid filling device 29, first and second heat seal devices 32, 34, and a cooling device 36, etc.; a conveyor line comprising a carry-out conveyor 3, a product bag discharge chute 4, a product bag transport conveyor 5, and defective product rejection conveyor 8, etc.; a metal detector 6; and a control device 38. The bag filling packaging machine is applied with various upper part stickers (S1-S8) stuck on the packaging machine at an upper side position from the bag mouth of the bag, when viewed in a vertical direction. These upper part stickers are made of resin films subjected to aluminum evaporation, and reliably detected by a metal detector when peeled off and mixed in a packaging bag B.

Description

  In the present invention, after filling an empty resin container such as a bag with contents such as food from the container opening, in the case of a bag, the bag mouth is sealed, and the opening is sealed. The present invention relates to a container stuffing and packaging system for obtaining a stuffed product.

  2. Description of the Related Art A packaging machine that fills an empty resin container with contents from an opening of a container and then seals the opening to obtain a container-packed product is widely known.

By the way, taking an example of an intermittent rotary rotary bagging and packaging machine, a plurality of grippers for gripping and holding a bag are attached to a table that rotates intermittently along the circumferential direction of the table. A sticker with the gripper number printed is attached.

Warnings with warnings printed on the hot parts of the packaging machine, such as a hot plate that seals the bag mouth, and parts that press and close the bag, such as a press deaerator A sticker is also affixed. In addition, an operation unit for operating or adjusting various sensors used in the packaging machine and a sticker on which necessary information of the adjustment unit is written are also attached.

Such a sticker is usually made of paper or resin that is inexpensive and easy to process such as printing. In consideration of the design, a small number of stickers such as a sticker for displaying the model name and manufacturer may be a sticker obtained by vapor-depositing aluminum on a glossy resin film.

Also, since these normally used stickers are inexpensive, it is not so burdensome to prepare a spare sticker, and even if the sticker comes off for some reason, the spare sticker is pasted immediately. I can deal with it.

However, if these stickers are peeled off and mixed in a packaging container, this will of course become a foreign substance. However, since the material is made of paper or resin, a foreign substance is placed downstream of the food packaging machine. It is difficult to detect with a metal detector usually installed for inspection. If the sticker mixed in the container is relatively large, it can be removed as a defective product by visual inspection, but the inspection work becomes more difficult as the sticker becomes smaller. In particular, in the case of a packaging machine that fills a container with food or the like, the packaging machine is generally washed regularly with water or the like from the viewpoint of hygiene, and this washing is affixed to the packaging machine. The problem of stickers coming off often occurs.

  Therefore, there is a possibility that the sticker affixed to the packaging machine will be peeled off and mixed into the container being packaged. The applicant is not familiar with prior art documents disclosing the technology to be used.

The present invention has been made in view of the above-mentioned problems of the prior art, and when the sticker attached to the container-packing and packaging machine is peeled off and mixed in the packaging container, the mixing of the sticker is reliably detected, It is an object of the present invention to provide a container wrapping system that can identify a product as defective.

In order to solve the above problems, the present invention provides a container wrapping system having the following configuration. That is, the container packing and packaging system holds an empty resin container, fills the container with contents from the opening of the container, and seals the opening of the container, and the container packing. It is installed along a sticker that is attached to an appropriate position of the packaging machine and a conveyance line that conveys the container-packed product carried out from the container-packing machine, and detects the presence or absence of metal mixed in the container-packed product. A container-packing and packaging system comprising a metal detector and a control device that determines a container-packed product mixed with metal as a defective product based on a signal from the metal detector. All the upper sticker stickers that are attached to the container wrapping machine at a position above the opening of the container held by the container wrapping machine are made of a material containing metal. The one in which the features.
In this container-packed packaging system, a sticker manufactured by vapor-depositing aluminum on a resinous film can be used as the upper sticker.
As a container wrapping machine used for this container stuffing and packaging system, a bag wrapping machine that wraps contents in a packaging bag can be used.
In this container stuffing and packaging system, the contents filled in the container can be food.

  As mentioned above, the upper sticker stickers are all made of metal-containing material, so if these upper sticker stickers are peeled off and mixed into the packaging container, they should be detected with a metal detector. Can do.

It is a whole top view which shows the structure of the bag packing packaging system which implemented this invention. It is a whole side view of the bag packing system of FIG. It is a front view of the bagging and packaging machine used for the bagging and packaging system of FIG. It is a figure which shows the example of the sticker stuck on the bagging and packaging machine of FIG.

  Hereinafter, an example of a bagging and packaging system in which the present invention is implemented will be described with reference to the drawings. That is, the container filling and packaging machine in this example is a bag filling and packaging machine that uses a packaging bag as a container.

  1 and 2, reference numeral 1 denotes a bagging and packaging system. This system 1 is controlled by a control device 7 and is intermittently rotated rotary bagging and packaging machine 2 (hereinafter referred to as “packaging”). 2), a carry-out conveyor 3 for carrying out the product bags discharged from the packaging machine 2, and a product bag which is provided adjacent to the carry-out conveyor 3 and is carried out by the carry-out conveyor 3 on the product bag conveyer 5 The product bag discharge chute 4 to be discharged to the product, the metal detector 6 disposed at a predetermined position along the product bag transport conveyor 5, the control device 38 for determining the quality of the product based on the signal from the metal detector 6, and the control device A defective product rejection conveyor 8 that rejects defective bags determined as defective by 38 while passing therethrough is schematically configured.

  FIG. 3 is a front view of the packaging machine 2 shown in FIGS. This packaging machine 2 is provided with various devices for carrying out the work of each process of packaging in the same manner as a known packaging machine, but the description of the present invention does not necessarily require an explanation of all these devices. Only some of the devices are illustrated and described.

  Reference numeral 22 denotes a rotary table which is inserted into a stand 23 erected on the machine base 21 and attached to the upper end of a rotary shaft (not shown) connected to an appropriate drive source so as to rotate intermittently. ing. In this example, eight sets of left and right grippers 24 for holding the packaging bag B are attached to the outer peripheral portion on the lower surface side of the turntable 22 at predetermined intervals in the circumferential direction. As this gripper 24, a known one can be used, and in the drawing, only the filling step IV described later is shown together with the packaging bag B. A sticker S1 on which the number of each gripper is printed is attached to the upper surface side of the turntable 22 at a position corresponding to each gripper 24 on the lower surface side (see FIG. 1). As shown in the figure, the bag mouth of the packaging bag B held by the gripper 24 is located slightly below the upper surface of the rotary table 22 in the height direction, and when viewed in the vertical direction, the sticker S1 is It is located above the bag mouth of the packaging bag B. For convenience, such a sticker will be referred to as an upper sticker.

As the turntable 22 rotates intermittently, each gripper 24 moves to a station where various types of packaging processes are performed. Station I is a bag-feeding process (see FIG. 1). In this station I, a bag-feeding device 25 for feeding the packaging bag B to the gripper 24 is installed (see FIG. 2). In this example, it is shown in FIG. It is a magazine type bag supply device provided with a magazine 25a that stores a large number of packaging bags B. Although this bag feeding device 25 does not appear in the drawing, it is provided with a suction cup that sucks the top packaging bag on the magazine 25a and lifts it up and delivers it to the gripper 24. There is also provided a vacuum pressure sensor for detecting whether or not it is adsorbed to B, and a sticker S2 on which information relating to adjustment of the set value of the sensor is described is affixed at the position shown in the figure (see FIG. 2). As is apparent from the figure, when viewed in the vertical direction, the position is located above the bag mouth of the packaging bag B. That is, it is an upper sticker. Station II is a printing process in which the date of manufacture is printed on the packaging bag B by the printer 26 (see FIG. 1). Station III is an opening process, and the bag mouth of the packaging bag B is opened by the opening device 27 provided with a pair of suction cups 28 (see FIG. 3). A sticker S3 is affixed to the opening device 27 (see FIG. 3). That is, a vacuum is applied to the suction cup 28 of the opening device 27 so as to be adsorbed on both sides of the packaging bag B to open the bag mouth. At this time, a sensor for detecting the vacuum pressure acting on the suction cup This sticker S3 describes information relating to the adjustment of the set value of the sensor. And when this sticker S3 is also seen in an up-down direction, the position is located above the bag mouth of the packaging bag B, and is an upper sticker.

Station IV is a liquid filling process in which a liquid filling device 29 including a tank 30 and a nozzle 31 is disposed. A sticker S4 is attached to the tank 30. This sticker S4 describes precautions when removing the tank 30 for cleaning. The sticker S4 is also located above the bag mouth of the packaging bag B when viewed in the vertical direction. Station V is a press deaeration process, in which the packaging bag B is clamped from both sides by a pair of clamping plates (not shown) of the press degassing device, and the air in the packaging bag B is discharged. For example, a sticker as shown in FIG. 4A is affixed to the press deaerator, and the position is located below the bag mouth of the packaging bag B when viewed in the vertical direction. . Station VI is a first sealing step, in which a first sealing device 32 including a pair of hot plates 33 is installed (see FIG. 1), and the bag mouth of the packaging bag B is heat sealed. Station VII is a second sealing step in which a second sealing device 34 having a pair of hot plates 35 is also installed (see FIG. 1), and a second heat sealing is performed on the bag mouth of the packaging bag B. A sticker S5 in which stickers as shown in FIGS. 4A and 4A are combined is attached to the first and second sealing devices. These are also upper stickers.

  Station VIII is a cooling and product bag discharging step, and a cooling device 36 including a pair of cooling plates 37 for cooling the bag mouth of the packaging bag B is provided. After cooling, the cooling plate 37 is opened and the packaging bag B as a product is discharged onto the carry-out conveyor 3. A sticker S6 for calling attention as shown in FIG. 4A is attached to the cooling device 36 as an upper sticker. Two stickers are affixed to the control device 7 of the packaging machine 2. One is a sticker S7 having a triangular shape and a so-called terminal mark therein, which indicates that an electrical device is stored in this portion. The other sticker S8 describes information required by the operator regarding the internal control device 7. Both are top stickers.

The packaging bag B discharged onto the carry-out conveyor 3 is then transferred to the product bag discharge chute 4 and the product bag transport conveyor 5, and is wrapped by the metal detector 6 while being transported by the product bag transport conveyor 5. Detection of the metal in B is performed. The stickers S1 to S8 described above are all made of a material containing metal. More specifically, in this embodiment, a material obtained by performing aluminum deposition on a resin film or thin plate is used. Therefore, when any of the upper sticker stickers S1 to S8 is peeled off and mixed into the packaging bag B, its presence is detected by the metal detector 6, and the signal is sent to the control device 38, and the control device Based on the signal from 38, the next defective product elimination conveyor 8 is excluded from the normal line as a defective bag during the transfer. Non-defective products are sent as they are.

  The stickers described above are only examples, and other stickers are also used in the packaging machine. Among them, all the stickers corresponding to the upper sticker sticker are made of aluminum deposited on the resin film in this example. It is made of the applied material. However, including metal in the sticker is not limited to this example. Metal powder may be mixed with resin, or a metal thin film may be attached.

Claims (4)

A container-packing and packaging machine that holds an empty resin container, fills the container with contents from the opening of the container, and seals the opening of the container;
A sticker attached to an appropriate position of the container wrapping machine;
A metal detector that is installed along a conveyance line that conveys the container-packed product carried out from the container-packing and packaging machine, and detects the presence or absence of metal mixed in the container-packed product;
Based on a signal from the metal detector, comprising a control device for determining a container-packed product mixed with metal as a defective product,
Of the stickers, the upper sticker sticker that is attached to the container wrapping machine at a position above the opening of the container held by the container wrapping machine when viewed in the vertical direction is all metal. A container wrapping system, characterized by being made of the contained material. The container-packed packaging system according to claim 1, wherein the upper sticker is manufactured by vapor-depositing aluminum on a resinous film.   The container stuffing and packaging system according to claim 1, wherein the container stuffing and packaging machine is a bag stuffing and packaging machine that wraps contents in a packaging bag.   The container stuffing and packaging system according to any one of claims 1 to 3, wherein the contents are food.

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