JP2798601B2 - Vertical bag making and filling machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for manufacturing a continuous bag in which a predetermined number of bags are connected at perforations in a vertical bag making and filling machine.

[0002]

2. Description of the Related Art Conventionally, in this type of vertical bag making and filling machine, a band-like film fed from a film roll is formed into a tubular shape by a bag making machine, and this tubular film is formed on the outer periphery of a vertical filling tube. Along with applying a vertical seal while feeding downward along the way, the product is dropped and supplied to the cylindrical film via this filling tube, and the product is intermittently stopped after the cylindrical film is fed for a predetermined length. In accordance with the above, end seals and perforations are performed at predetermined positions before and after sandwiching the product of the cylindrical film to form a pillow-shaped single packaging bag or a continuous packaging bag, for example, for each packaging bag. In the case of filling a product of different varieties and forming a continuous packaging bag body in which a plurality of different types of varieties of products are serially connected, the packaging film used for each of these different varieties of products also has a different design for each packaging bag. Since the printing is displayed, a predetermined serial number is set to give the packaging machine a setting standard of only perforation at the time of end sealing or a position to cut at the time of preparatory operation of the packaging machine. The detaching position of each bag is set in advance by a reset button or the like, and based on the set position, discontinuous cuts such as end seals and perforations of the packaging bag are reached until the counted number reaches the set number of packaging bags. , And the seal is cut after counting up the set number of counts.

[0003] In addition, a continuous bag is generally sold in a state of being hooked on a hanging hook when sold at a store, and is therefore manufactured by a vertical bag making and filling machine. After that, a hanging header made of a material such as paper was fixed to the end seal of the uppermost packaging bag of the continuous packaging bag body by a stapler or the like by hand.

[0004]

However, in order to set the cutting position of the continuous bag in the packaging machine, the operator visually confirms that the cutting position is at the cutting position during the preparatory operation, and sets the cutting position with the reset button or the like. This operation must be performed each time the packaging film is replaced. In addition, since the hanging header is attached after manufacturing the continuous packaging bag body, the packaging cost for the header is separately required, which not only increases the production cost, but also requires the mounting of the hanging header by hand. There were problems such as inefficiency.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem. When a continuous bag is manufactured by a vertical bag making and filling machine, a hanging header is made of the same packaging material as the packaging bag. It is to manufacture a continuous packaging bag body with a formed header for hanging, and automatically switches the setting of the cutting position of the packaging film printed and displayed for each different product type and the discontinuous cutting such as perforation. It is an object of the present invention to provide a vertical bag making, filling and packaging machine provided with a control device capable of performing the operation.

[0006]

[Means for Solving the Problems] of claim 1 the invention is to feed the strip film was unwound from the film roll to the bag making device is formed into a tubular film, the article subjected against the same tubular film
In a vertical bag making and filling machine that supplies and packs articles by a feeding means, it is composed of a hanging header and a plurality of packing bags.
That In the case of molding the continuous wrapper body, the said strip film to provide identifiable positioning information for each seal <br/> position of a header and a plurality of the packaging bag of the Rentsutsumibukuro body
Grant print mark, set in the feed path of the strip-like film
Vignetting, feed a sensor for detecting each print mark on the header and a plurality of packing bags, the tubular film downward
A motor for driving a film feed mechanism for feeding
Printed mark for header or for each packaging bag by sensor
Receives one of the detection signals with the print mark and
And the end seal means for performing an end-seal-free, Endoshi
When the end of the cylindrical film is sealed by the
Non-continuous cuts such as perforations near the center of the seal interval
Switch cutter blade to cut eyes or cut off
A cutter actuation means for example hydraulic, is disposed below the end seal means, a punching means for forming a hook hole for hanging the header, packaging bag number of the Rentsutsumibukuro body and its bag length, and, an input setting means for inputting respective data regarding the header length, storage means for storing each data input by said input setting unit, to the sensor
Receiving the detection signal of the print mark for header
The number of detected printing marks for packaging bags by the
Count the number of packaging bags
Counting means for transmitting, and a packet of the stored continuous packaging bag body
Film feed motor according to the packaging length and header length
And motor control means for controlling the rotation amount of each is provided et al
And the cutter operating means is provided for each package in the sensor.
Discontinuous breaks are formed by the detection signal of the print mark for the bag.
Operating from the counting means.
Supply the article from the article supply means by the up signal
To send a control signal for
Motor control for the film feed amount according to the header length
Giving a predetermined amount of rotation to the motor by control means;
According to the detection signal of the print mark for header by the sensor,
Cut off the cylindrical film by the cutter operating means
Switch to operate, and hang on the header.
Create punching means to form hook holes for lowering.
All SANYO having a control circuit for dynamic, the invention of claim 2, in the input setting unit, a data configurable varieties setting means for each of a plurality of kinds of varieties to be packaged, for each set varieties By setting respective data relating to the number of packaging bags, the length of the packaging bag, and the header length of the continuous packaging bag, the type is stored in the storage means for each type, and the type of data that is stored for each type is called. According to a third aspect of the present invention, the print marks printed on the band-shaped film are printed at intervals of the length of the continuous packaging bag , and the article is not supplied.
A print mark header for have portions, this as one based on the header for printing marks marked with a bag length, the article is the distance between the other of the print mark header a header length
The print mark for the header and the print mark for the bag are attached to the left and right edges of the strip film, or are arranged side by side with one edge of the strip film to make the width wide. This is a vertical bag-making filling and packaging machine configured to be identified as narrow or color-coded.

[0007]

With the above configuration, the length of the header, the length of the packaging bag, and the number of the packaging bags can be set to arbitrary values.
The continuous packaging bag body with the header can be integrally manufactured by the same packaging film.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described with reference to the drawings. FIG.
FIGS. 2 to 5 show an end seal device. This vertical bag making and filling machine 10 forms a film supply section 11 for supplying a band film F and a band film F into a cylindrical film Ft in substantially the same manner as in the prior art. And a supply cylinder 17 which is provided concentrically with the bag making device 16 and supplies products.
And a cylindrical film F disposed along the supply cylinder 17.
and a film feed mechanism 18 for intermittently feeding the cylindrical film Ft.
And an end seal device 2 disposed below the supply cylinder 17.
5.

The film supply section 11 is a belt-like film F
The film rolls FA, FB are mounted on the machine frame so as to be able to be fed out and can be switched so as to be continuously supplied, and the feeding rollers 12, 12 forming a pair for feeding out the band-shaped film F are provided.
The belt-like film F is fed to the bag making machine 16 by the dancer roller portion 13 for intermittently supplying the belt-like film F and the plurality of guide rollers 14a to 14f. The feed rollers 12, 12 are driven by a general-purpose film supply motor M, which can be controlled by an inverter 15 for shifting.

The bag making device 16 is concentrically disposed above a vertically arranged supply tube 17, and the belt-like film F passes between the bag making device 16 and the supply tube 17 to form a cylindrical shape. It is formed into a film Ft. The cylindrical film Ft is formed along the supply cylinder 17 and includes feed rollers 19 and 20 and a belt 21 which are disposed corresponding to the diameter direction of the outer periphery of the supply cylinder 17. Feed mechanism 1
8 feeds downward. The longitudinal edges of the cylindrical film Ft overlapping in the longitudinal direction are vertically sealed Sa by the vertical sealing device 22. The film feed mechanism 18 is driven by a first servomotor SM1 controlled by a servo amplifier 23 shown in FIG. 10. The servomotor SM1 is provided with a rotary encoder E1 for detecting a rotational position, and its output is It is supplied to the servo amplifier 23 and the servo control unit 72.

The supply cylinder 17 extends a predetermined length upward from the bag making machine 16, and has a hopper 24 provided at an upper end thereof, and a product detection sensor S5 near the opening of the hopper 24. Have been. A supply device (not shown) for supplying and dropping the product W is provided above the hopper 24. When the product detection sensor S5 detects the product W dropped and supplied from the supply device, a detection signal thereof is given. through the sensor input interface 76 of FIG. 10 are entered in the register unit 74. When the packaging machine 10 is in the normal continuous operation, the product supply signal to the supply device is supplied from the clock pulse transmitter 77 at predetermined intervals according to the supply capability input by the input setting means in advance. An OK signal is transmitted.

An end seal device 25 for applying an end seal Sb of the cylindrical film Ft is provided at a predetermined position below the supply cylinder 17. The end seal device 25 has an end seal Sb on the cylindrical film Ft and a discontinuous cut c such as a perforation on the end seal Sb.
The end seal mechanism 26 for 1 or cleavage c2, f
In the continuous packaging operation mode, the end seal mechanism 26
In order to cut c2 from the end seal Se, a hanging hook hole r is opened in the hanging header H (see FIG. 6).
A punching mechanism 50 is provided.

As shown in FIGS. 2 and 3, a machine frame 27 of the end seal device 25 is provided at a predetermined interval between the left and right guide frames 28 (only one is shown). Supporting frames 29 and 30 are provided upright. Side plates 31 are provided on the left and right sides of the supporting frame 30, and an operating shaft 32 is rotatably provided between the side plates 31. An operating lever 33 is attached to the center. A slide bar 34 is laid horizontally at a predetermined interval between the support frames 29 and 30, and a holding frame 3 for attaching seal bars 37 and 38 is provided between the slide bars 34.
5 and 36 are provided so as to be able to move in opposition to each other.
Both ends of 36 are slidably supported on the upper surface of the guide frame 28. Holding frames 35, 36 provided in this manner
Sealing bars 37 and 38 are attached to the opposed surfaces of the blades, respectively.
Is provided.

In order to mount the cutter blade 46, a support plate 39 having a substantially hook-shaped cross section is mounted substantially at the center of the holding frame 36, and the first cylinder 42 is mounted on the support plate 39 via a slide table 40. A two-stage cylinder 41 integrally formed with the second cylinder 43 is slidably mounted, and the second-stage cylinder 41 is slidably positioned and held by a slide holding member 44. The second cylinder 43 of the two-stage cylinder 41 thus held
The piston rod 43a is connected to the support plate 39, and a cutter blade 46 is attached to the piston rod 42a of the first cylinder 42 via an attachment member 45.
The cutter blade 46 is formed in a substantially T-shape as shown in FIG. 3, and the blade tip 46a is formed in, for example, a saw blade shape. The cutter blade 46 is inserted into an insertion groove formed substantially in the center of the seal bar 38. Inserted and its handle 46b
Ru Tei mounted on the mounting member 45 is fitting through inserted into the holding frame 36. The cutter blade 46 attached in this manner is 2
When the rods 42a and 43a of the step cylinder 41 are shortened, the cutting edge 46a of the cutter blade 46 is
When the piston lot 42a of the first cylinder 42 is extended, a perforated discontinuous cut c1 is formed at the center of the end seal Sb. Piston rod 43a
Is extended so as to cut c2 the center of the end seal Sb. A punching mechanism 50 is provided below the end seal mechanism 26 thus formed.
Is provided.

As shown in FIGS. 2, 4 and 5, the punching mechanism 50 has a support plate 51 having a substantially L-shaped cross section attached to the lower surface of the holding frame 36 in a hanging manner. A cylinder 52 for holding a header is attached. A piston rod 52a of the cylinder 52 is fitted through a support plate 51, and a holding plate 53 is attached to the tip of the piston rod 52a. Guide bars 54 are mounted on the left and right sides of the mounting portion of the holding plate 53 for the piston rod 52a.
4 is a guide member 55 attached to the support plate 51 side.
The holding plate 53 is vertically held by the operation of the cylinder 52 and is moved forward and backward. A punch receiving portion 5 having a substantially L-shaped cross section is provided at the upper end of the holding plate 53.
3a is formed, and a receiving hole is formed through the center of the punch receiving portion 53a. A sponge-like holding pad 56 having a predetermined thickness is adhered to the front surface of the holding plate 53 thus formed.

A support plate 57 is suspended from the lower surface of the holding frame 35 in correspondence with the support plate 51, and the support plate 57 is suspended longer than the support plate 51.
A punch cylinder 58 is mounted at a position substantially corresponding to the header holding cylinder 52 mounted on the support plate 51 at the center thereof, and a header holding cylinder 52 is mounted below the punch cylinder 58. A holding plate 53 to which a holding pad 56 is attached is mounted opposite to the piston rod 52a of the cylinder 52 similarly to the right side in the drawing. A guide support plate 59 is attached to the piston rod 58a of the punch cylinder 58, and guide bars 60 are attached to predetermined positions on the left and right of the guide support plate 59. The guide bar 60 is attached to the support plate 57 side. It is inserted through the attached guide member 55. A punch arm 61 rising up to a predetermined length is attached to the center of the guide support plate 59, and the center of the upper end of the punch arm 61 is aligned with the receiving hole formed in the punch receiving portion of the holding plate 53. The punch 62 is detachably attached.

The punching mechanism 50 provided as described above
The punching mechanism 50 receives the signal from the detection sensor S4 of the header registration mark mh in the continuous bag operation mode, and is moved by the end seal mechanism 26 in the continuous bag operation mode. Seal S
At the same time as performing e and cutting c2, the left and right header holding cylinders 52 and the punching cylinder 58 are operated in parallel to make a hanging hook hole r in the hanging header H. The holding frames 35, 3 of the end seal device 25 provided in this manner.
The opposing operation 6 is driven by a second servomotor SM2 which can be controlled by a servo amplifier 47 shown in FIG. 10. Although not shown, this second servomotor SM2 is an operation mounted on the operation shaft 32 by a driving means as appropriate. Lever 3
3 is given a predetermined swing angle, and the operating shaft 3
For example, a link mechanism is interposed between the holding frames 2 and the holding frames 35 and 36 so as to be opposed to each other. The second servomotor SM2 is provided with a rotary encoder E2 for detecting the rotational position, and its output is
7 and the servo control unit 72.

The operation mode of the packaging machine 10 thus formed can be selected from two operation modes, a normal operation mode and a continuous wrapping bag operation mode with a header. When the mode is set, the conventional control for packing one packing bag at a time is performed, and when the mode is set to the continuous bag operation mode, the control for manufacturing the continuous bag body G with the header is performed. . The continuous packaging bag body G with the header is, for example, of the type shown in FIG.
, Four packaging bags Ga, Gb, Gc, Gd are arranged in series through an end seal Sb and a cut c1 such as a perforation.
It has a length l1 of a, Gb, Gc, Gd, a length H of a header H, and a length L. In addition, while being cut c2 by the end seal Se of the header H,
A hook hole r is formed in the header H. Each of the packaging bags Ga, Gb, Gc, Gd has a different product type A, B,
C and D are packed, and each packaging bag Ga, Gb, Gc, Gd
On the surface of the product, for example, the pattern of the product type A, B, C, D,
The name etc. are printed. Further, the band-shaped film F provided for the continuous packaging bag body G is, for example, a band-shaped film F shown in FIG.
1 is used, and one edge fa of the strip film F1 is used.
Contains the registration marks m1, m2, m3 of the packaging bags Ga, Gb, Gc, Gd.
m4 is printed at intervals of the length l1 of the packaging bag, and a header registration mark mh is printed at the other edge fb at an interval L so that the registration mark m4 and the header registration mark mh are spaced at an interval lh.
In addition, the registration mark m1 and the header registration mark mh are printed in a relationship of an interval l1.

FIG. 10 is a block diagram schematically showing a control circuit 70 of the vertical bag making / filling and packaging machine 10 according to this embodiment.
1 and the first servomotor SM1 and the second servomotor S
A servo control unit 72 for controlling M2,
An inverter control unit 73 for performing variable speed control of a film supply motor M for driving the motors 2 and 12;
It basically includes a register section 74 for storing control data relating to SM1 and SM2.

An operation panel 65 provided on the packaging machine main body has buttons for commanding a normal operation mode and a continuous packaging operation mode, and a keyboard for inputting various data.
It has a start / stop button for the packaging machine, and input data from the keyboard is stored in the register section 74 via the operation panel interface 75.

Further, a sensor S1 for detecting the rise of the dancer roller 13a of the dancer roller section 13 and the dancer roller 13
a sensor S2 for detecting a drop of a
d, 14e, sensors S3 for detecting the registration marks m1, m2, m3, m4 of the strip film F, and sensors S for detecting the header registration marks mh of the strip film F
4. Each signal from the product detection sensor S5 and the origin confirmation sensor S6 of the end seal device 25 is taken into the register section 74 via the sensor input interface 76.

Further, synchronous control relating to the phase with the first and second servomotors SM1 and SM2 is performed by pulses at predetermined intervals generated by the clock pulse transmitter 77.
Further, the product supply OK signal is transmitted at predetermined intervals in the normal operation mode, and counts the number of bags of the set continuous packaging bag G in the continuous packaging operation mode in the continuous packaging operation mode. A control signal for suspending the supply of the product from the supply device is transmitted by a count-up signal from the counting means.

Next, the control relationship between the feed roller 12 and the dancer roller section 13 will be described.
Is driven by a film supply motor M controlled by the inverter 15, and in this case, the motor M
When the sensors S1 and S2 detect the ascending position and the descending position of the dancer roller 13a of the dancer roller section 13, they are fed out and stopped. When the sensor S1 and S2 are at an intermediate position, the first film feeder is moved. Proportional control synchronized with the acceleration / deceleration control of the servomotor SM1 is performed.

Further, the film feed mechanism 18 of the cylindrical film Ft controls the servo motor SM1 based on the input data such as the length l1, the length lh of the bag, the acceleration / deceleration value, and the like. When the feed mechanism 18 is intermittently rotated, it is rotated in a required acceleration / deceleration pattern. In particular, in the continuous bag operation mode, the feed amount of the header length lh is given by a count-up signal from the counting means for counting the number of bags of the continuous bag body G.

Further, regarding the film feed mechanism 18 and the end seal device 25, when the product supply OK signal is issued, the supply of the product W may be delayed or the product W may not be supplied continuously. For this reason, a point in time after the product detection has elapsed for the drop timer is set as the operation reference point. The drop timer refers to the time from the point of detection of the product to the time when the film feed mechanism 18 and the end seal device 25 start to move. When the product detection sensor S5 detects the supply of the product W, the timer starts counting. When the time is up, an operation start command is given to the film feed mechanism 18 and the end seal device 25 as an operation reference signal. In the case of the continuous bag operation mode, as described above, the feed amount of the header length lh is given by the count-up signal from the counting means for counting the number of bags of the continuous bag body G, and the count amount is supplied from the counting means. The control signal for suspending the supply of the product from the supply device is transmitted by the count-up signal of the header registration mark mh
In response to the signal from the detection sensor S4, the end seal mechanism 26 cuts the end seal Se and cuts c2, and at the same time, the left and right header holding cylinders 52 and the punch cylinder 58 are operated in parallel to hang the hanging header H. Open the hook hole r for lowering.

Next, the operation of the vertical bag making and filling machine 10 of the embodiment will be described with reference to flowcharts shown in FIGS. The operation mode during operation of the packaging machine 10 is as follows.
Two operation modes, a normal operation mode and a continuous wrapping bag operation mode with a header, can be selected. Hereinafter, the header H shown in FIG.
A continuous bag operation mode for manufacturing the attached continuous bag body G will be described. FIG. 11 shows the transition of the operation modes. The operation modes are roughly classified into 1) during stopping, 2) set operation, 3) during operation, and 3) during operation, divided into the following five. They are operated in parallel and related. a) Supply OK signal control section b) Product detection control section c) Fall timer control section d) Film feeding control section e) End seal control section

[Set Operation] (FIG. 12) First, before the operation, the film FA of the band-shaped film F1 of the continuous bag body G is set and the set operation is started. After power is an incoming been set varieties product names manufactured by the keyboard of the operation panel 65, with the data input is performed for various operation settings in performing the varieties were set Rentsutsumibukuro operation mode Later, the number of bags of the continuous packaging bag G (for example, 4), 1
The length of the packaging bag Ga (for example, l1), the length of the header H (for example, 1h), if necessary, a printing error during film production, or an error in the registration mark detection interval error due to film expansion during film feeding. A value is input, and these data are stored in the register unit 74 via the operation panel interface 75. Then, when the start button is pressed, the continuous wrapping bag operation mode is executed. In this continuous bag operation mode, the belt-like film F is fed at a low speed, and the operation synchronization of each operation unit is set. When the feeding of the strip film F is performed at a low speed, the header registration mark mh of the strip film F is set at the end seal expected position obtained from the film length from the position of the sensor S4 of the header registration mark mh to the end seal position. After the sensor S4 detects the header registration mark mh, the header registration mark mh of the belt-like film F is sent to the expected end seal position at a required timing so that the alignment of the film is completed. The film feed mechanism 18 automatically stops at the end of the alignment even if is not turned off. By recognizing the position of the header H by this film alignment control, the end seal cut position of the cylindrical film Ft is automatically set, and the count of the bag number counter in the continuous operation is initialized.
It is stored in the register section 74. This ends the set operation and starts the operation.

[Supply OK signal control unit] (FIG. 13) By operating the operation start button on the operation panel 65, a supply OK signal is output from the packaging machine 10 to the supply device. In this case, the transmission of the supply OK signal is stopped by the regulation by the count-up signal from the counting means for counting the number of bags. And supply O
The K signal is output to enter a state of waiting for the arrival of the product W (see FIG. 13).

[Product Detection Control Unit] (FIG. 14) In the product detection control unit, the product W is supplied from the supply device to the hopper 2 based on the supply OK signal from the packaging machine 10.
When the product detection sensor S5 detects this, a drop timer start command is issued based on this detection signal, and the drop timer times out after a predetermined time. When a start command is issued, the first servomotor SM1 for driving the film feed mechanism 18 and the second servomotor SM2 for driving the end seal device 25 are driven to produce a cylindrical film Ft.
And the end seal Sb is performed.

[Drop Timer Control Unit] (FIG. 15) This drop timer is controlled by the drop timer control unit shown in FIG. 15. First, it is checked whether or not a drop timer activation command is issued from the product detection control unit. Then, the header H or the normal bags Ga to Gd is stored in the drop timer which is not currently used, and the timer is operated. Then, it is confirmed whether or not the time of the drop timer has expired. Next, it is confirmed whether the time-up of the falling timer is the header portion H or the normal bags Ga to Gd. Then, a film feeding command is issued based on this confirmation.

[Film unwinding control unit] (FIG. 16) The film unwinding control unit shown in FIG. 16 first confirms the presence or absence of the film unwinding instruction according to the film unwinding instruction. Then, it is confirmed whether or not the header H has been advanced.
In the case of NO, the length l1 of one bag of the normal bags Ga to Gd is fed out. If it is determined that the header H is to be advanced, the length lh of the header H is advanced. This feeding is performed by controlling the rotation of a first servomotor SM1 for driving the film feed mechanism 18. When the feeding of the set length is completed, an end seal activation command is issued. The count-up of the drop timer control unit, the film feeding control section and the next end seal controller of f header H is determined whether the counting means after the detection of the header for registration marks mh by header registration mark sensor S4 Is determined by

[End Seal Control Unit] (FIG. 17) In response to the end seal start command, the end seal control unit shown in FIG. 17 first confirms the presence or absence of the end seal start command. The 25 end seal mechanism 26 and the punching mechanism 50 are integrally operated. Then, it is checked whether it is the cutter timing, and then, it is checked whether it is the header. Then, the first cylinder of the two-stage cylinder 41 provided in the end seal mechanism 26 is operated by the signal of the header H failure, and the seal bars 37, 3
In step 8, a discontinuous cut c1 such as a perforation is made by the cutter blade 46 at the center of the end seal Sb. In parallel with the confirmation of the cutter timing or the header, whether the punching timing, the header, the header holding timing, or the header is the end seal mechanism 26.
This is performed during the opposing movement of. Therefore, in the continuous packaging bag body G, feeding of the cylindrical film Ft and provision of discontinuous cuts c1 such as perforations and end seals Sb are performed by the set number of bags, and the end seals Sb and perforations are provided. The number of discontinuous breaks c1 is counted by the product detection control unit. When the count-up of the discontinuous cut c1 such as a perforation is confirmed by the product detection control unit, a drop timer start command for feeding out the header H and supply OK signal regulation are applied to the drop timer control unit, and the supply OK signal is controlled. It suspends supply of products W from the device (see Figure 14).

When the drop timer for feeding the header H times out, a command to feed the header H is issued to the film feeding mechanism 18 (see FIG. 15). Based on this command, the film feeding control unit feeds the header registration mark mh to a position where the header registration mark detection sensor S4 detects it, and stops. When the header is fed, an end seal activation command is issued from the film feeding control unit to the end seal control unit (see FIG. 16).

The end seal device 25 is controlled based on the flowchart shown in FIG. 16 by the end seal start command from the film feeding control section. First, the end seal mechanism 26 and the punching mechanism 50 are operated integrally, and the right and left seal bars 37 and 38 end seal Sb at a predetermined position, and at the same time, the right and left header holding cylinders 52 are extended and the header H is removed. It is clamped by the clamping pad 56. Then, on the end seal mechanism 26 side, the first cylinder 42 of the two-stage cylinder 41 is extended, whereby a cut c1 such as a perforation is formed at the center of the end seal Sb, and the second cylinder is extended. As a result, the cut c1 is cut c2. At the same time, on the punching mechanism 50 side, the punching cylinder 58 is extended and the punch 62 attached to the punch arm 61 is inserted into the punch receiving portion 53a of the clamping plate 53 to which the clamping pad 56 is attached, and the predetermined position of the header H is determined. The end seal mechanism 26 is operated to retreat, so that the continuous packaging bag body G is dropped and supplied to the lower conveying section side.

As described above, the packaging machine 10 of the present embodiment is set in one of the normal operation mode and the continuous bag operation mode as described above, so that the normal bag of a required length can be cut into discontinuous cuts such as perforations. It can be manufactured continuously with c1. Also,
For example, in the manufacture of the continuous packaging bag body G shown in FIG. 6, data input for setting the type (band-shaped film) to be used as described above and various operation settings for performing the type is performed. After setting the bag operation mode, enter the number of bags 4 of the continuous bag body G, the length l1 of the packaging bag Ga, the length lh of the header H, and, if necessary, the permissible values relating to the printing error during film production. These data can be stored in the register section 74 via the operation panel interface 75, and if the supply order of the product types A, B, C, and D is set on the product supply device side by the supply OK signal, each data can be stored. Packaging bag G
a, Gb, Gc, and Gd can be sequentially supplied to continuously manufacture a continuous wrapping bag body G with a desired header. Becomes possible. Also, product types A, B, C, D
Can be manufactured while forming the header H in a series by the packaging film for filling the material, so that material costs and other manufacturing costs can be reduced.

Further, at the time of the set operation in preparation for operation, the header registration marks mh and the registration marks m1, m2, m3, m4... Pre-printed on the belt-like film F can be automatically recognized, and the cutting position can be visually reset. There is no need to perform any operations. Also, header H, packaging bags Ga, Gb, Gc, Gd
Of the registration mark that corresponds to each mh, m1, m2, m3, m4
Is provided, it is possible to surely perform the printing position alignment when each film is fed. The formation of the length lh of the header H, each packaging bag Ga, Gb, Gc, as it can be set to a length shorter arbitrary length than l1 of Gd, for example, end seals of the connecting hull bag G since only compatible by setting shorter the interval Sb position is possible, only disposing the punching mechanism 50 for forming the hook hole r for hanging at the time of forming the header H, in particular, the header H There is no need to provide a separate molding device.

In the above-described embodiment, in order to manufacture the continuous packaging bag body G, one edge fa of the band-like film F1 shown in FIG. m
2, m3, m4 are attached at the interval of the length l1 of the packaging bag, and the other edge fb is attached with the header registration mark mh at the interval L, and the registration mark m4 and the header registration mark mh are attached at the interval lh.
Further, the registration mark m1 and the header registration mark mh are illustrated with the relationship of the interval l1, but the present invention is not limited to this. For example, the belt-like films F2 and F3 shown in FIGS. 8 and 9 may be used. . The strip film F shown in FIG.
For example, the registration mark to be printed on No. 2 is attached to one edge part fa side, and the header registration mark mh is formed to be wide and attached at the interval L of the length of the continuous packaging bag G. One header registration mark m between header registration mark mh
h, the registration mark m of the packaging bag Ga, Gb, Gc, Gd
1, m2, m3, m4 are attached at intervals of the length l1 of the packaging bag, and each register mark m1, m2, m3, m4 is printed narrower than the width of the header register mark mh. The interval between the marks mh is printed on the length lh of the header H. The sensors S3 and S4 for detecting the registration marks m1, m2, m3 and m4 and the header registration mark mh are arranged on the edge fa side of the band-shaped film F2 so as to detect the width as shown in the figure. Further, the band film F3 shown in FIG.
Register mark m1, m2, m3, m4 and header register mark mh
Are arranged at the same position as the above band-shaped film F2. In this case, the registration marks m1, m2, m3, m4 and the header registration mark mh are printed in different colors and the width is printed with the same width. Is provided so as to detect each color by employing a color mark sensor S7.

It should be noted, sensor S3 for detecting the band-like film F to developing for feeding the bag manufacturing unit is printed on the strip film F print mark mh, m1, m @ 2 ... a position in the above embodiment, S
4 is provided as an example, but the present invention is not limited to this. For example, it may be provided so that it is detected when it is formed into a cylindrical film Ft. Further, in the above embodiment, the film feed rollers 12, 12 are driven by the general-purpose motor M controlled by the inverter 15, but the drive may be controlled by a servo motor instead.
The feeding rollers 12, 12 are moved to film feed rollers 19, 1
A film feed mechanism 18 comprising a belt 0 and a belt 21;
A required speed difference may be provided and mechanically linked, and the driving may be controlled by the first servomotor SM1.
In the above embodiment, the product supply is confirmed by the product detection sensor S5. However, in the case of a computer scale such as a weighing / supplying device that weighs and supplies a product, the supply is confirmed by a supply completion signal from the scale. It may be. In the above embodiment, the registration marks mh, m1,
Sealing and cutting are performed at m2,..., but the present invention is not limited to this. For example, if a print of a product display is a print pattern that can be determined as a registration mark mh, m1, m2,.
There is no need to separately print the registration marks mh, m1, m2,.

[0039]

According to the present invention, the following effects can be obtained by the configuration described above. (1) A continuous wrapping bag can be manufactured while integrally forming a header portion with a band-like film filled with an object to be packaged, and material costs and other manufacturing costs can be reduced. (2) band-shaped film header portion and can perform automatic recognition of the packaging bag by preprinted identification mark, it is not necessary to perform the resetting operation or the like by visual observation for the cutting position. (3) Since the formation of the header portion can be set to any length shorter than the length of the packaging bag of the continuous packaging bag body, it is possible to cope only by setting the seal interval of the end seal of the continuous packaging bag body short. ,
It is only necessary to provide a punching mechanism for forming a hook hole for hanging when forming the header, and it is not particularly necessary to separately provide a special device for forming the header. (4) Each of the number of bags, the bag length, and the length of the header portion of the continuous packaging bag can be set to arbitrary values by data input. Further, if necessary, these set values can be stored as different set values for each kind of continuous packaging bag.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a vertical bag making / filling / packaging machine.

FIG. 2 is a sectional view of an end seal device.

FIG. 3 is a view taken in the direction of arrow A in FIG. 2;

FIG. 4 is a view taken in the direction of arrow B in FIG. 2;

FIG. 5 is a left side view of FIG. 2;

FIG. 6 is a perspective view of a continuous packaging bag.

FIG. 7 is an explanatory diagram of a relevant position of a print mark to be printed on a strip film.

FIG. 8 is an explanatory diagram of a related position of a print mark to be printed on another belt-shaped film.

FIG. 9 is an explanatory diagram of a related position of a print mark to be printed on another belt-like film.

FIG. 10 is a control block diagram of a vertical bag making / filling / packaging machine.

FIG. 11 is a flowchart showing the transition of the operation mode.

FIG. 12 is a flowchart of a set operation.

FIG. 13 is a flowchart of a supply OK signal control unit.

FIG. 14 is a flowchart of a product detection control unit.

FIG. 15 is a flowchart of a drop timer control unit.

FIG. 16 is a flowchart of a film feeding control unit.

FIG. 17 is a flowchart of the end seal control unit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Vertical bag-making and filling machine 12 Feeding roller 15 Inverter M General-purpose motor (film feeding control means) 16 Bag-making machine 17 Supply cylinder 18 Film feed mechanism SM1 First servo motor 23 Servo amplifier (Motor control for controlling film feed amount) Means) 25 End seal device 26 End seal mechanism 46 Cutter blade 41 Two-stage cylinder 50 Punching mechanism 58 Punch cylinder 62 Punch 65 Operation panel 70 Control circuit 71 Data processing operation unit 72 Servo control unit 73 Inverter control unit 74 Register unit 75 Operation Panel interface 76 Sensor input interface 77 Clock pulse transmitter S3, S4, S7 Print mark sensor S5 Product detection sensor F1, F2, F3 Strip film m1, m2, m3, m4 Registration mark mh Header registration mark G Continuous bag H header c1 Non-continuous cut such as perforation c2 Cutting position

Continuation of the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65B 9/00-9/24 B65B 41/00-41/17

Claims (3)

(57) [Claims] 1. A by feeding the feed was strip film from the film roll to the bag making device is formed into a tubular film, a vertical bag filling packaging by supplying an article by the article feeding means against the same tubular film In the packaging machine, the hanging header
When forming a continuous bag consisting of a number of packaging bags.
Te, the said strip film header and a plurality of follicles of the Rentsutsumibukuro body
Grant print mark for providing the identifiable positioning information for each sealing position with Sobukuro, provided the feed path of the strip film, header and a plurality
Sensor that detects each printed mark on the packaging bag
And a film feeding mechanism for feeding the cylindrical film downward.
A motor for driving and a print mark for header or each packaging bag by the sensor.
Receiving any of the detection signals with the print mark for
End sealing means for applying an end seal to the film and when the cylindrical film is end sealed by the end sealing means.
Non-continuous, such as perforations at approximately the center of the upper and lower seal intervals
A sharp cut or a cutter blade
A cutter actuation means for switching operation and is disposed below the end seal means, a punching means for forming a hook hole for hanging the header, packaging bag number of the Rentsutsumibukuro body and its bag length, and an input setting means for inputting respective data regarding the header length, storage means for storing each data input by said input setting unit, a detection signal of the header for printing marks by the sensor
The number of printed marks for packaging bags detected by the sensor
Is counted for the stored number of packaging bags, and
Counting means for transmitting a printout signal, and the length of the packaging bag and the length of the header of the stored continuous packaging bag.
And motor control means for controlling the amount of rotation of the film feed motor in response, respectively are provided in the cutter actuation means, said sensor
The serial connection is detected by the detection signal of the printing mark for each packaging bag at the server.
Operate to form a connection discontinuities, said count means
From the article supply means by the count-up signal from
To send a control signal to suspend their supply
In addition, the film feed according to the stored header length
The motor is controlled by the motor control means for a predetermined amount.
Transfer amount, and a header print mask by the sensor.
In response to the fork detection signal, the cutter actuating means
When switching operation is performed to cut off and cut the film
Make sure to form a hook hole for hanging
It is provided with a control circuit for operating the punching means.
Vertical bag filling packaging machine, characterized in that that. Wherein said the input setting unit, a data configurable varieties setting means for each of a plurality of kinds of varieties to be packaged, packaging bags number of Rentsutsumibukuro body for each set varieties, packaging bag length, 2. The apparatus according to claim 1, further comprising a type switching means for setting each data relating to the header length and storing the data in the storage means for each type, and calling up the data stored for each type. Vertical bag making and filling machine. 3. A printing mark to be printed on the band-shaped film is printed at a length interval of the continuous packaging bag, so that an article is not supplied.
A print mark header for have portions, this as one based on the header for printing marks marked with a bag length, the article is the distance between the other of the print mark header a header length
The print mark for the header and the print mark for the bag are provided on the left and right edges of the strip film, or are arranged side by side on one edge of the strip film to make the width wide. 2. The vertical bag making and filling machine according to claim 1, wherein said vertical bag making and filling machine is configured to be identified as narrow or color-coded.