JP2937053B2 - Packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging apparatus for making a film wound into a roll and filling the packaging bag with contents such as a liquid or a viscous substance. The present invention relates to a packaging apparatus that can automatically move and set a registration mark detecting unit to an appropriate reading position according to a film width dimension.

[0002]

2. Description of the Related Art Conventionally, as a packing apparatus of this kind, a filling and packaging machine will be described as an example.
A pair of holding frames are provided on the sides of the machine base, and a film wound film is held on the holding frames so as to be detachable and replaceable, and a film guide section and a film folding section are provided on the upper part of the machine base. And a vertical seal portion, first and second horizontal seal portions, a cutter portion, and a distributing mechanism are provided on a front portion of the machine from the upper side, and a film is drawn out from a raw material, and the film is guided through the film guide portion. The film is folded back in the longitudinal direction by a guide provided in the film folding section, and the folded ends of the film are separated by a pair of vertical heat seal rolls facing the vertical sealing section. The film is formed into a tubular shape by this vertical seal, and the film is horizontally sealed by a pair of opposed horizontal heat seal rolls of the first horizontal seal portion. The film formed into a bottomed cylindrical shape is filled with an article to be packaged, such as food, by a filling nozzle of a filling mechanism, and the film is fed to the first horizontal seal again. The side of the bag opening side of the film is laterally sealed by the horizontal heat seal roll of the portion to seal the packaged object, and the horizontal seal portion is further pressure-sealed by the horizontal heat seal roll of the second horizontal seal portion. It is known that a packaging bag is obtained by cutting a horizontal seal portion with the cutter unit, and the packaging bag is sorted and conveyed by a conveyor or the like using the sorting mechanism.

The film guide is provided with meandering adjusting means for reducing the meandering of the film above the filling and packaging machine. The meandering adjusting means includes an oscillating roll body and a film-side end position detecting means provided near the oscillating roll body, and the film-side end position detecting means is referenced to a position corresponding to the film width. As a result, one film side edge is constantly monitored, and the tilt angle of the rocking roll is adjusted according to the amount of displacement of the film from the reference detection portion so that the film edge is always at this reference position. , So that the film is conveyed in a stable transport state without meandering.

[0004] In addition, during the transportation of the film from the material roll to the film roll, the film is transported, and formed into a bag.
At a predetermined position on the film, registration mark detecting means for reading registration marks formed at equal intervals in the film transport direction is attached, and the timing of the horizontal seal position and the cutter position of the packaging bag is determined by an output signal from the registration mark detecting means. It is configured to take.

[0005]

However, in such a filling and packaging machine, since the width (film width) of the packaging bag differs for each kind, the film side end position detecting means and the register are adjusted in accordance with the film width to be supplied. It is necessary to adjust the mounting position of the mark detecting means by moving it in a direction perpendicular to the film transport direction. For example, mounting members are provided for the film side end position detecting means and the registration mark detecting means, respectively. An elongated hole is formed in the member corresponding to the movable range of the film side end position detecting means and the registration mark detecting means. When changing the film, the fixing screw is loosened, and these sensors are moved along the elongated hole. With the parts slid and aligned with the film width, the fixing screws are tightened and fixed again. For this reason, a complicated process involving manual work of loosening the fixing screws of the film side end position detecting means and the registration mark detecting means every time the film is changed and performing the alignment is required. However, there is a problem that the temperature decreases.

Further, the film side end position detecting means includes:
If the adjustment of the mounting position according to the width of the film is not performed properly, the meandering correction function of the meandering adjustment means will not work properly because the standard for transporting the film will be shifted. When the folded portion of the film is folded in two, there is a problem that a shift occurs at the overlapping portion of the film end, and the film cannot be vertically sealed well. In addition, if the registration position of the registration mark detection unit is not properly adjusted according to the film width, accurate registration mark reading is not performed, resulting in a shift in the horizontal seal position or the cut position. There is a fear. Further, the meandering of the film may cause the end on the film side to be displaced from the detection portion of the registration mark detecting means, making reading impossible.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and sends a continuously transported film to a film folding mechanism, and folds the film by a folding guide of the film folding mechanism. The folded edges of the film are overlapped and vertically sealed with a vertical heat seal roll, and the film is horizontally sealed with a horizontal heat seal roll, and the packaged object is placed in a continuous packaging bag defined by the vertical seal and the horizontal seal. In the packaging device for filling, the registration mark detection means for detecting a registration mark formed on the film, and an adjustment mechanism provided so that the registration mark detection means can be moved in a direction substantially orthogonal to the film transfer direction, Moving amount input means for inputting the moving amount of the adjusting mechanism in accordance with the registration mark forming position; and An arithmetic processing unit that sets position data according to the amount of movement that has been input, a nonvolatile memory that stores the position data in a nonvolatile manner, and a drive control unit that controls the adjustment mechanism according to the position data. Is what is done.

Further, the film which is continuously transported is sent to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and both folded edges of the film are overlapped and vertically sealed by a vertical heat seal roll. Meandering adjusting means for preventing film meandering, in a packaging apparatus for filling a packaged object in a continuous packaging bag partitioned by the vertical seal and the horizontal seal with a horizontal heat seal roll. A film-side end position detecting unit provided in an adjusting unit for detecting a shift of the film transport, a registration mark detecting unit for detecting a registration mark formed on the film, the film-side end position detecting unit, and the registration mark detecting unit And an adjusting mechanism movably provided in a direction substantially perpendicular to the film transport direction. A moving amount input means for inputting a moving amount of the adjusting mechanism according to a film width dimension; an arithmetic processing unit for setting position data according to the moving amount input by the moving amount input means; And a drive control means for controlling the adjusting mechanism in accordance with the position data.

Further, the registration mark detecting means is arranged close to the film side end position detecting means of the meandering adjusting means.

Further, the registration mark detecting means is movably provided with respect to the film side end position detecting means.

[0011]

According to the first aspect of the present invention, the moving amount of the adjusting mechanism is input by the moving amount input means in accordance with the registration mark forming positions of various types of packaging bags, and position data is calculated in accordance with the moving amount. The registration mechanism is configured to be set by a processing unit and driven by the drive control means in accordance with the position data, so that the registration mark detection means is driven by the adjustment mechanism in a direction substantially perpendicular to the film transport direction. Then, even if the registration mark forming position is changed for each product type, the setup can be automatically changed without loosening the fixing screw and performing positioning. Further, by storing the position data for each type in a nonvolatile memory that stores the position data in a nonvolatile manner, even when the type of the packaging bag is changed, the position of the packaging bag stored in the nonvolatile memory in the past is changed even when the type of the packaging bag is changed. In the case of the product type, the position data corresponding to the changed product type is read from the non-volatile memory by the movement amount input means, and the drive of the adjusting mechanism is controlled by the drive control means in accordance with the position data. It is possible to easily and accurately set the position of the registration mark detecting means without repeating the operation.

According to the second aspect of the present invention, the moving amount of the adjusting mechanism is input by the moving amount input means in accordance with the film width dimension of the packaging bags of various types, and the position data is stored in accordance with the moving amount. The adjustment mechanism is set by an arithmetic processing unit, and the adjustment mechanism is driven and controlled by drive control means in accordance with the position data.Therefore, the film-side edge position detection means and the registration mark detection means are arranged in the film transfer direction. It is driven by an adjustment mechanism in a direction that is almost perpendicular, and moves to a predetermined position.Even if the film width dimension changes for each product, the setup can be changed automatically without having to loosen the fixing screw and adjust the position. Becomes Also, by storing the position data for each product type in the non-volatile memory that stores the position data in a non-volatile manner, even if the type of the packaging bag is changed and the film width is changed, it is stored in the non-volatile memory in the past. In the case of the packaging bag type, the position data of the adjusting mechanism corresponding to the changed type is read from the nonvolatile memory by the moving amount input means, and the adjusting mechanism is driven by the drive control means in accordance with the position data. Since the drive control is performed, the position of the film side end position detecting means and the registration mark detecting means can be easily and accurately set without repeating the setting operation.

According to the third aspect of the present invention, the registration mark detecting means is disposed close to the film side end position detecting means of the meandering adjusting means, and is provided at a position where the meandering of the film is most suppressed. As a result, since the registration mark formed on the film is detected, a good detection operation with few reading errors can be performed.

According to the fourth aspect of the present invention, there is provided a case where the registration mark forming positions of the films used in the packaging bags of various types are different from each other based on the edge of the film for each type. Also, while preventing the film from meandering by the film side end position detecting means,
The registration mark detection means can be adjusted and moved with the film end, which is the detection position of the film side end position detection means, as a base point so as to match the registration mark M forming position of the film.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a packaging machine according to an embodiment of the present invention;

1 to 7 show one embodiment of the present invention. A holding frame 2 is provided on the side of the machine base 1 of the filling and packaging machine, and a film raw material 3 in which a film F is wound in a roll is detachably provided on the holding frame 2, and is provided on the upper part of the machine base 1. A film guide portion 4 and a film turn-back portion 5 are provided, and a vertical seal portion 6, horizontal seal portions 7, 8 and a cutter portion 9 for cutting a continuous packaging bag P from the upper side on the front surface of the machine base 1.
And film F from film source 3
The film F is led out to the film folding portion 5 via the film guiding portion 4, and the film F is folded in two along the longitudinal direction by the folding guide 10 provided on the film folding portion 5. The folded end portions of the film F are heat-sealed and folded by the vertical heat seal roll 6a, and the film F is formed into a cylindrical shape by the side edge sealing portion FH of the vertically sealed film F, and the horizontal sealing portion 7 A pair of horizontal heat seal rolls 7a heat-seal the cylindrical film F in the lateral direction, and the horizontal seal portion FS forms the bottom of the packaging bag P, thereby forming a bottomed cylindrical film F. Then, a filling object made of a liquid such as a sauce is filled by the filling nozzle 11, and the film F is further fed to the horizontal sealing portion F again.
S is further pressurized and sealed by the horizontal heat seal roll 8a of the second horizontal seal portion 8, and the intermediate portion of the horizontal seal portion FS is cut by the cutter portion 9, thereby separating and discharging the continuous packaging bag P. The packaging bag P carried out from the section 12 is taken out by a conveyor or the like and transported.

The film guide 4 is provided with meandering adjusting means 13 for reducing the meandering of the film F above the filling and packaging machine. The meandering adjusting means 13 comprises swing rolls 14 and film side end position detecting means 15 provided near the swing rolls 14 and in front of the film F transport direction. The film side end position detecting means 15 detects that the transfer position of the film F is
Is disposed as a reference at a position corresponding to the width of each film F to be changed so that the transport center line of the film F coincides with the axis of the film folding guide 10, and the output voltage generated thereby falls within a predetermined range. As described above, one of the film-side edges is constantly monitored, and the tilt of the oscillating roll body 14 corresponding to the output of the film-side end position detecting means 15 that changes according to the amount of film displacement from the reference detection portion. The angle is automatically adjusted so that the edge of the film F always passes through this reference position, so that the film F is transported in a stable transport state without meandering.

A registration mark detecting means 16 for reading the registration marks M formed at regular intervals in the direction of transport of the film F at a predetermined position of the film F to be transported is provided near the meandering adjusting means 12. Have been. The registration mark detecting means 16 is composed of, for example, a reflection-type photoelectric sensor, and outputs the horizontal sealing position FS of the packaging bag P and the cutter unit in response to the output signal from the registration mark detecting means 16 for the continuously transported packaging bag P. A signal is sent to the packaging machine so as to take the timing of the cutter position in 9. The registration mark detecting means 16 is fixed to the film side end position detecting means 15 of the meandering adjusting means 13 via a mounting metal 17 and is disposed in close proximity to the film side end position detecting means 15. Since the registration mark M formed on the film F is detected at the position where the meandering of the F is most suppressed, a good detection operation with few reading errors can be performed.

In the filling and packaging machine according to the present invention, the film side edge position detecting means 15 and the registration mark detecting means 16
There is provided an adjusting mechanism 18 which is provided so as to be movable in a direction substantially perpendicular to the transport direction of the film F.

An adjusting mechanism 18 is provided on the machine base 1 and is capable of rotating in the normal and reverse directions and is provided with a predetermined control rotation. Rack body 20 capable of reciprocating linear movement in orthogonal directions
The film side end position detecting means 15 is fixed to the rack body 20. By doing so, the film side end position detecting means 15 can be moved in a direction orthogonal to the transport direction of the film F, that is, in the width direction of the film F.

The registration mark detecting means 16 is fixed to the film side end position detecting means 15 via the mounting member 17 as described above, and is configured to be movable integrally with the film side end position detecting means 15. Have been. At this time, by aligning the mounting position of the registration mark detecting means 16 with the formation position of the registration mark M formed at the side end of the film, the film side edge detecting device 15 can be automatically adjusted with respect to the film width. For example, the automatic setting of the registration mark reading position by the registration mark detecting means 16 can be performed at the same time. In this case, it is not necessary to input the position of the registration mark detecting means 16 to a touch panel (movement amount input means) described later.

On the other hand, the exterior cover 21 covering the machine base 1 has a switching screen for selecting the type of the article to be packaged and inputting the amount of movement of the adjusting mechanism 18 in accordance with the film F width and the registration mark forming position of each type. Type touch panel (movement amount input means) 22
Is provided.

Next, the screen configuration of the touch panel 22 for inputting the amount of movement of the adjusting mechanism 18 of the present invention will be described with reference to FIG.

The touch panel 22 is used for inputting the amount of movement in order to set the position data of the adjusting mechanism 18 (drive control means 18a) in an arithmetic processing unit described later, and sets a product code (product name) for each type. A product type setting screen 22a, a product type list screen 22b displaying a product code list for each product type set on the product type setting screen 22a, and inputting a width dimension and a registration mark forming position of the film F used for packaging as production conditions. And a production condition setting screen 22c.
A setting key a for setting a product code is displayed on the type setting screen 22a.
1, new data storage key a2, data update key a3
However, the kind list screen 22b includes a kind setting screen 22a.
A production condition readout key b1 for reading out the production condition corresponding to the product code set by the user, and a production condition selection key c1 for selecting a production condition item when inputting production condition data on the production condition setting screen 22c. A ten-key c2 for inputting a set value of the production condition item; a registration mark detection means, a film side end position detection means 15 and a registration mark detection means 16 driven in accordance with the production condition;
A fine adjustment key c3 for finely adjusting the position of the adjustment mechanism 18 in units of 0.1 mm, for example, and a write key c4 for writing production conditions to a nonvolatile memory described later are provided.
a, 22b, and 22c.

The touch panel 22 has a type setting screen 22
The product code set from a is displayed as a list on the product type list screen 14b. By selecting the production condition read key b1 corresponding to this product code, the production condition setting screen 22c is read out, and the production condition setting screen 22c is read out. Is entered.

Next, the circuit configuration of this embodiment will be described with reference to FIG.

The means for controlling the adjusting mechanism 18 of the present invention includes a touch panel 22 for inputting the amount of movement of the adjusting mechanism 18 in accordance with the film width of each product, and a motor (to be described later) corresponding to the amount of movement input by the touch panel 22. A CPU 23 for outputting position data to the controller, a read-only memory (ROM) 24 storing a processing program and the like, and a volatile memory (RAM) 25 for temporarily storing the position data are provided. , ROM 24 and RAM 25 constitute an arithmetic processing unit 26. Reference numeral 27 denotes a non-volatile memory (backup RAM) which is backed up by a battery and stores the position data as reference position data corresponding to the packaging form for each product type.
The OM 24, the RAM 25, and the backup RAM 27 are connected by a bus 28. The interface circuit 29 connected via the bus 28 has a touch panel 22 and a motor shown in FIG.
A motor controller 30 that converts the signal into a signal for driving the motor controller 19;
And a drive control means 18a comprising a motor 19 for an adjusting mechanism comprising, for example, a servo motor, a stepping motor and the like.

With this circuit configuration, the CPU 23 outputs a digital signal corresponding to the position data corresponding to the amount of movement of each detecting means input from the touch panel 22 to the motor for driving the motor 19 of the adjusting mechanism 18 via the interface circuit 29. The position data is output to the controller 30 and stored in a volatile memory (RAM) 25 for temporarily storing the position data. When the position data is changed by changing each movement amount with the fine adjustment key c3 of the touch panel 22 (production condition setting means 22c), the CPU 23 reads the position data from the RAM 25 and adds or subtracts a correction value, for example. After processing, the corrected position data is output to the RAM 25 and the motor controller 30 of the drive control means 18a of the adjustment mechanism 18. Further, the CPU 23 determines the position data corresponding to the moving amount corresponding to the film width of each type, and
When the write key c3 of the (production condition setting screen 22c) is pressed, this position data is stored in the backup RAM.
(Non-volatile memory) 27 for transfer and storage.

Next, the setting procedure of this embodiment will be described with reference to FIG.

In use, a power switch (not shown) provided on the outer cover 21 of the filling and packaging machine shown in FIG. 1 is turned on (step S1), and when saving new data (step S2), the touch panel 22 shown in FIG. Type setting screen
22a is read out, a new data storage key a2 is selected, and a product code or a product name (for example, EKITAI-1,
EKITAI-2) is input using the setting key a1 (step S3).

Next, a production condition setting screen of the touch panel 22
22c is read out, the film width and the registration mark position of the packaging film F are input by the ten keys c2, and the movement amounts of the film side end position detection means 15 and the registration mark detection means 16 are input (step S4).

In this embodiment, since the registration mark detecting means 16 is attached and fixed to the film side end position detecting means 15, it is not necessary to input the registration mark position. Since the film side end position detecting means 15 and the registration mark detecting means 16 are adjusted and moved respectively, the input of the film width and the registration mark position is required. A detailed description will be given assuming that both movement amounts to the position detection means 15 and the remark detection means 16 are set.

Then, the start switch of the filling and packaging machine (not shown) is turned on to operate the filling and packaging machine (step S).
5).

In performing the packaging operation, there is a deviation of the film side end position detecting means 15 from the reference transport position of the film F or a deviation of the registration mark detecting means 16 from the registration mark forming position. If the data requires position correction (step S6), the type setting screen 22a on the touch panel 22 is read, the data update key a3 is pressed, the product code on the type list screen 22b is selected, and the production condition setting screen 22c is displayed. After the reading, the items of the film width and the registration mark position of the packaging film F are selected by the production condition selection key c1, and a correction value is inputted by the fine adjustment key c3 (ten keys c2 in some cases) (step S7).
The film F is satisfactorily conveyed in response to the detecting operation of each detecting means, and it is checked whether or not the packaging state is proper, and the correction operation is repeated as necessary.

When it is not necessary to correct the moving amount of each detecting means after the correction (step S8), the position data corresponding to the corrected moving amount is read from the production condition setting screen 22c of the touch panel 22, and the write key is written. Press c4 to transfer the data to the non-volatile backup RAM 27 and store it (step S9).

Since the position data of this embodiment is only temporarily stored in the RAM 25 unless it is stored in the backup RAM (non-volatile memory) 27, the position data must be stored before turning off the power of the filling and packaging machine. It is necessary to store the position data in the nonvolatile memory 27.

In step S2, if the new data is not stored (step S2), that is, if the position data corresponding to the previously stored type is read, the type list screen 22b of the touch panel 22 By pressing b1, the type is read from the backup RAM 27 (step S10), and it is checked whether or not the position data has been corrected (step S11). If correction is necessary, the process proceeds to step S7, where the position data is corrected by the above-described means. The backup RAM uses the corrected position data as reference position data (position data of a new product).
Remember in 27.

In step S6, if there is no need to correct each position data, step S9 is performed.
The position data is stored in the backup RAM 27 before the power of the filling and packaging machine is turned off, for example.

Thus, in this embodiment, the touch panel 22
Thus, the moving amount of the adjusting mechanism 18 is input according to the width dimension of the film F of the packaging bags P of various types, and the driving of the adjusting mechanism 18 is controlled based on the position data corresponding to the moving amount. The edge position detecting means 15 and the registration mark detecting means 16 are driven by the adjusting mechanism 18 in a direction substantially perpendicular to the transport direction of the film F and move to predetermined positions. Even if is changed, it is possible to automatically respond to each type without performing complicated work such as loosening the fixing screw and adjusting the position. By storing the position data for each type in the backup RAM (non-volatile memory) 27, even when the type of the packaging bag P is changed and the film F width is changed, the non-volatile memory 27 is stored in the past. In the case of the stored type of the packaging bag P, the position data of the adjusting mechanism 18 corresponding to the changed type is read from the nonvolatile memory 27 by the touch panel 22 and the adjusting mechanism 18 is drive-controlled in accordance with the position data. Since the drive control is performed by the means, the position of the film side end position detecting means 15 and the registration mark detecting means 16 can be easily and accurately set without repeating the setting operation.

In one embodiment of the present invention, the registration mark detecting means 16 is attached to the film side end position detecting means 15 by a mounting metal 17.
And is provided so as to be movable together with the film side end position detecting means 15, and the mounting position of the registration mark detecting means 16 is adjusted to the position of the registration mark M formed at the side end of the film. By automatically adjusting the film side end position detecting means 15 with respect to the film width, the registration mark reading position can be automatically set by the registration mark detecting means 16 at the same time, and the touch panel (movement amount input means) 22 Although the position input of the registration mark detecting means 16 is unnecessary, for example, depending on the type of the packaging bag P, some films F used have the registration mark M forming position located at the edge of the film F. The registration mark detecting means 16 is fixed to the film side end position detecting means 15 because it may be formed at a position which is recessed from the edge by a predetermined dimension in the film width direction. When the film F is mounted on a film F, the registration mark M forming position is different depending on these types.
Can not respond to.

Therefore, as another embodiment, although not shown, taking this point into consideration, the registration mark detecting means is used.
It is also possible to provide the film 16 with respect to the film side end position detecting means 15 so as to be movable in a direction perpendicular to the direction of transport of the film F. In other words, the circuit configuration is the same as that of the motor controller and motor for the registration mark detecting means driven based on the position data output from the CPU 23 in the interface circuit 29 shown in FIG. Is connected. The registration mark detection means is provided on the film side end position detection means 15 so as to be movable by the motor for the registration mark detection means, so that the registration mark detection means 16 is transferred to the film side end position detection means 15. It is provided so as to be movable in a direction perpendicular to the direction.

At this time, the registration mark position is input simultaneously with the input of the film width (input of the amount of movement). For example, the input item is selected by the production condition selection key c1 of the (production condition setting screen) 22c of the touch panel 22. Then, the user inputs the film width using the keyboard c2, and then inputs the distance from the end of the film to the position where the registration mark M is formed as the registration mark position. In this way, the film side end position detecting means 15 is moved and set to a position where the meandering adjusting means 13 can be adjusted to the film transfer center position corresponding to the film F width, and the film F to be transferred is always detected by this detecting means. The control is performed so that the end of the film is located at the portion.
In addition, the registration mark detecting means 16 performs the movement based on the film edge detection position of the film side edge position detecting means based on the position data corresponding to the registration mark position (movement amount) input from the touch panel 22. It is configured to move in the direction (film width dimension direction) perpendicular to the film transport direction according to the amount.

With this arrangement, even when the registration mark forming position of the film used in the packaging bags P of various types is different from the edge of the film F for each type, the film side end position detecting means can be used. Thus, while the side edge of the film F is constantly monitored to prevent the film from meandering, the registration mark detecting means is adjusted and moved with respect to the film end which is the detection position of the film side end position detecting means 15 so as to adjust the registration mark M of the film. It can be matched to the forming position.

In another embodiment of the present invention, the registration mark detecting means 16 is provided so as to be movable relative to the film side end position detecting means 15 in a direction perpendicular to the direction of transport of the film F. The means 16 is provided on the film side end position detecting means 15 so as to be controllable by a motor 19A. However, the registration mark detecting means 16 and the film side end position detecting means 15 are attached to the machine 1 respectively. May be provided so as to be movable, and may be driven and controlled by a circuit configuration similar to that of the other embodiments described above.

The meandering adjustment means 13 is not necessarily provided, and the present invention can be applied to a packaging apparatus having only the registration mark detection means 16 without the film side end position detection means 15.

[0046]

According to the present invention, a film which is continuously transported is fed to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and both folded edges of the film are overlapped to form a vertical seal with a vertical heat seal roll. In addition, in a packaging device for filling a packaged object in a continuous packaging bag defined by the vertical seal and the horizontal seal by horizontally sealing the film with a horizontal heat seal roll, a registration mark formed on the film is detected. A registration mark detecting means for detecting the position of the registration mark, and an adjusting mechanism provided to move the registration mark detecting means in a direction substantially perpendicular to the direction in which the film is transported. And an operation for setting position data in accordance with the amount of movement input by the amount of movement inputting means A registration unit, a nonvolatile memory that stores the position data in a nonvolatile manner, and a drive control unit that controls the adjustment mechanism in accordance with the position data. It is driven by an adjustment mechanism in a direction substantially perpendicular to the direction, and moves to a predetermined position.Even if the registration mark forming position changes for each product, the step is automatically adjusted without loosening the fixing screw and aligning it. In addition to allowing replacement, the position data for each type is stored in a non-volatile memory that stores the position data in a non-volatile manner. In the case of the stored packaging bag type, the position data corresponding to the changed type is read from the non-volatile memory by the movement amount input means. The adjusting mechanism can be driven and controlled by the drive control means according to the data, it is possible to position settings easily and accurately the registration mark detection means without repeating the setting operation.

Further, the continuously transported film is sent to a film folding mechanism, the film is folded by the folding guide of the film folding mechanism, and the folded edges of the film are overlapped and vertically sealed by a vertical heat seal roll. Meandering adjusting means for preventing film meandering, in a packaging apparatus for filling a packaged object in a continuous packaging bag partitioned by the vertical seal and the horizontal seal with a horizontal heat seal roll. A film-side end position detecting unit provided in an adjusting unit for detecting a shift of the film transport, a registration mark detecting unit for detecting a registration mark formed on the film, the film-side end position detecting unit, and the registration mark detecting unit And an adjusting mechanism movably provided in a direction substantially perpendicular to the film transport direction. A moving amount input means for inputting a moving amount of the adjusting mechanism in accordance with a film width dimension; an arithmetic processing unit for setting position data corresponding to the moving amount input by the moving amount input means; Since it is composed of a nonvolatile memory for storing data in a nonvolatile manner and drive control means for controlling the adjusting mechanism according to the position data, the film side end position detecting means and the registration mark detecting means are provided with It is driven by an adjusting mechanism in a direction substantially perpendicular to the transfer direction of the product and moves to a predetermined position. The changeover is possible, and the position data of each type is stored in a non-volatile memory that stores the position data in a non-volatile manner. Even if the film width is changed and the film width is changed, the position data of the adjustment mechanism corresponding to the changed type is stored in the nonvolatile memory by the moving amount input means. The adjustment mechanism can be read out from the memory and driven by the drive control means in accordance with the position data, so that the film side end position detection means and the registration mark detection means can be easily and accurately performed without repeating the setting operation. The position can be set.

Further, since the registration mark detecting means is disposed close to the film side end position detecting means of the meandering adjusting means, the registration mark formed on the film is provided at the position where the meandering of the film is most suppressed. A mark is detected, and a good detection operation with few reading errors can be performed.

Further, since the registration mark detecting means is provided movably with respect to the film side end position detecting means,
Even if the registration mark formation position of the film used in the packaging bags of various types is different from each other based on the edge of the film for each type,
While the film side end position detecting means prevents the film from meandering, the registration mark detecting means is adjusted and moved from the film end, which is the detection position of the film side end position detecting means, to coincide with the position of the registration mark M of the film. Can be done.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a filling and packaging machine showing an embodiment of the present invention.

FIG. 2 is a front view showing a main part of the filling and packaging machine according to the embodiment of the present invention.

FIG. 3 is a side view showing a main part of a filling and packaging machine showing an embodiment of the present invention.

FIG. 4 is a plan view showing a main part of a filling and packaging machine showing an embodiment of the present invention.

FIG. 5 is a diagram showing a movement amount input unit in the embodiment of the present invention.

FIG. 6 is a block diagram illustrating an electrical configuration according to an embodiment of the present invention.

FIG. 7 is a diagram showing a processing procedure in the embodiment of the present invention.

[Explanation of symbols]

 5 Film Folding Mechanism 10 Folding Guide 13 Meandering Adjustment Device 15 Film Side End Position Detector 16 Registration Mark Detecting Means 18 Adjusting Mechanism 18a Drive Control Means 22 Touch Panel (Moving Amount Input Means) 26 Arithmetic Processing Unit 27 Backup RAM (Nonvolatile Memory) F Film P Packaging bag M Register mark

Claims (4)

(57) [Claims] 1. A film that is continuously transported is sent to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and both folded edges of the film are overlapped and vertically sealed by a vertical heat seal roll.
And in the packaging device for horizontally sealing the film with a horizontal heat seal roll, and filling the packaged material in a continuous packaging bag partitioned and formed by the vertical seal and the horizontal seal,
A registration mark detecting means for detecting a registration mark formed on the film; and an adjusting mechanism provided so that the registration mark detecting means can be moved in a direction substantially perpendicular to the direction in which the film is transported. Moving amount input means for inputting the position data according to the registration mark forming position, an arithmetic processing unit for setting position data according to the moving amount input by the moving amount input means, and a non-volatile memory for non-volatilely storing the position data And a drive control means for controlling the adjusting mechanism according to the position data. 2. The film which is continuously transported is sent to a film folding mechanism, the film is folded by a folding guide of the film folding mechanism, and both folded edges of the film are overlapped and vertically sealed by a vertical heat seal roll.
And in the packaging device for horizontally sealing the film with a horizontal heat seal roll, and filling the packaged material in a continuous packaging bag partitioned and formed by the vertical seal and the horizontal seal,
Meandering adjusting means for preventing meandering of the film, film-side end position detecting means provided in the meandering adjusting means for detecting a shift of the film transport, and registration mark detecting means for detecting a registration mark formed on the film; The film-side end position detecting means and the registration mark detecting means are constituted by an adjusting mechanism movably provided in a direction substantially perpendicular to the film transport direction, and the moving amount of the adjusting mechanism is made to correspond to the film width dimension. A moving amount input unit for inputting, an arithmetic processing unit for setting position data in accordance with the moving amount input by the moving amount input unit, a nonvolatile memory for storing the position data in a nonvolatile manner, And a drive control means for controlling the adjusting mechanism in response to the request. 3. The packaging apparatus according to claim 2, wherein said registration mark detecting means is arranged in proximity to said film side end position detecting means of said meandering adjusting means. 4. The packaging apparatus according to claim 2, wherein said registration mark detecting means is movably provided with respect to said film side end position detecting means.