KR102090638B1 - Gas-filling packaging method and packaging machine therefor - Google Patents

Abstract

Provides a gas-filled packaging method and a packaging machine for automating the entire operation including switching of the related device according to a change in the size of the bag, which can perform bag filling of the packaged object for a large packaging bag in a stable form with excellent quality To do. Steps are carried out after the packaging bags accommodated in the magazine 31 are dropped one by one into the guides of the bag positioning unit 35, and then the positioning of the packaging bags in the guide is clamped in the clamp 56, and then the bag is supplied. Send the packaging bag to the grip 11 to wait for, and in the bag opening / inflating step, the bag mouse is opened to inflate the bottom portion, and in the filling step, the receiving member 83 is tapped at the bottom portion of the packaging bag. Filling the packaged object, the packaging bag is shaped into a desired shape by the conveyor unit 91 holding the bottom tapping unit 80 and the package bag during the step of filling the packaged object to the degassing and sealing step. After removing the air remaining in the bag, temporary attachment and main sealing are performed.

Description

Gas-filled packaging method and its packaging machine {GAS-FILLING PACKAGING METHOD AND PACKAGING MACHINE THEREFOR}

The present invention is packed by packing an inert gas at the same time as filling a packaging material such as rice, sugar, pet food, and fertilizer weighing about 10 to 20 kg in a large packaging bag. By continuously performing shaping until the filling of the bag mouth is performed temporarily, the packaging bag during flat loading is set to a desired stable form that does not easily collapse the cargo. It relates to a gas-filled packaging method and a packaging machine capable of automating the entire operation including switching of related devices according to a change in bag size.

In a conventional rotary type packaging machine, a method of filling and packaging a packaged object such as rice or sugar weighing about 1 kg to 15 kg is known. For example, in Patent Document 1 relating to the present applicant, a rotary gas filling packaging machine is used, and a packaging bag filled with a heavy packaged object of 10 kg to 15 kg by a pressing member equipped with a vibrator is provided from both sides. A packaging method in which the object to be packaged is heat sealed by removing the air in the bag by a degassing nozzle at the same time by pressing and stretching the object to be packaged in the vertical direction. It is disclosed.

By the way, in the rotary type packaging machine, a grip supporting a packaging bag is radially disposed on a rotating body to be rotated to move, and a packaging bag filled with a packaging material having a weight of 10 to 15 kg is inter-staged. As the centrifugal force (큰 心力) is generated when the rotation is moved, there is a problem that traces of the pinching portion due to the grip remain. In addition, since the conventional shaping work is performed in only one step, it is difficult to maintain stability in the shape after shaping, and this has been a factor that tends to cause collapse of cargo when the product after packaging is flatly stacked.

In addition, the feeding device of the conveyor-type bag is a well-known structure that accommodates the packaging bag on a belt conveyor so that it is laid and stacked, and passes over one sheet from the front packaging bag to supply to the grip of the packaging machine, but the length is 600. In the case of a large packaging bag of about 1050 mm, the belt conveyor is long and requires a large space. In addition, when a chuck is formed, the bulging part of the bulging slightly prevents smooth movement when sent forward on the belt conveyor. Phenomenon occurs. In addition, the conventional magazine type bag supply device has a structure for manually adjusting the guide for receiving the packaging bag when switching the bag size, as shown in Patent Document 3, and is suitable for the automatic synchronization of the packaging machine. It does not have a function. In addition, there was no suitable device for supplying a stock or bag of a large gusset bag, a bag with a large chuck.

In addition, for the grip of the conventional packaging machine, the gripping portion for supporting the packaging bag is designed to be manually adjusted to the size of the bag width, so it takes a lot of time and effort to switch between changing the bag size. There was a problem that it was required.

Japanese Patent Application Publication No. 2010-126244 Japanese Patent Application Publication No. 2008-285171

The object of the present invention is a gas-filled packaging that can perform bag filling of a packaged object for a large-sized packaging bag in a stable form with excellent quality while automating the entire operation including switching of related devices according to a change in bag size. The method is to provide a packaging machine.

In order to achieve the above object, the invention described in claim 1, the plurality of grip units that horizontally move an annular passage composed of two straight portions and a semi-circular portion at both ends thereof is intermittently moved at a plurality of stages, and the grip unit A gas-filled packaging method using a track-type gas-filled packaging machine in which a bag is supported by a grip and filled with a packaged bag in a suspended state while gas filling is performed, followed by heat sealing of the bag mouse.

As the packaging bag, a large gusset bag having a folded portion at both edges, a large standing-pouch having a folded portion at the bottom, or one of these bags with a chuck Targeting a bag or flat bag with a large chuck,

Enter the size and type of the packaging bag and the type of packaged object by the operation panel.

In the bag supply step, a plurality of packaging bags stacked and accommodated in a magazine is lifted up and down one by one from the top by an adsorption panel that is controlled to move up and down of the bag replenishment unit, and is handed over to a bag chuck and held by the bag chuck. The transferred packaging bag is transported to an adjacent bag positioning unit, dropped into the guide of the unit, and then, based on the input data, the position of the side guide corresponding to the bag width of the guide and the bag mouse corresponding to the length of the bag. The position of the front end guide and the rear end guide is automatically adjusted to determine the position, and then the bag height within the guide is gripped by the chuck of the bag supply means to correct the bag height to wait above. A phase in which the bag mouse is placed on the clamp of a clamp unit equipped with a function, and the device is sandwiched, waiting for the bag supply step from the clamp. Transfer the packaging bag to the grip.

In the bag opening / inflating step, the bag mouse is opened by the adsorption action of the adsorption board, and the bottom of the packaging bag is inflated by the adsorption action of the adsorption board,

In the filling step of the packaged object, the synchronizing funnel controlled vertically and horizontally in synchronization with the transportation of the packaging bag is lowered and inserted into the packaging bag, and the receiving member of the bottom tapping unit is tapped at the bottom of the packaging bag. By filling the object to be packed while assisting the dropping of the object,

During the period from immediately before the end of the filling operation to a plurality of subsequent steps, the supply operation of the inert gas in the bag is continued from the gas filling nozzle provided in the tuning funnel,

During the period from the filling step of the packaged material to the degassing and sealing step, at least one set controlled to synchronize the rotational speed with the transport speed of the packaging bag by holding the bottom tapping unit and the single or multiple packaging bags. The packaging bag is shaped into a desired shape by a joint operation with a shaping means provided with a conveyor unit,

Then, while the packaging bag is moved to the degassing and sealing step, the tuning funnel and the gas filling nozzle are released from the packaging bag, and a part of the bag mouse is opened by the adsorption action of the adsorption panel,

In the degassing and sealing step, a degassing nozzle is inserted into the packaging bag to remove the air remaining in the bag, and then the nozzle is escaped from the packaging bag, and then the bag mouse is gripped by a temporary heater to seal the gas. And

In addition, heat sealing is performed at a temporary sealing place at the main sealing step of the back mouse,

It is characterized in that the cooling bag is discharged out of the system after cooling the place where the heat sealing has been performed in the cooling sealing / discharging step outside the system.

In order to achieve the same object, the invention described in claim 2 is provided with the gas-filled packaging method according to claim 1, wherein the bag supply means is provided with a plurality of magazines capable of automatically adjusting the accommodation space corresponding to the size of the packaging bag, and packaging It is characterized in that the magazine is circulated from the supply position for filling the bag to the supply position for taking out the packaging bag accommodated in the magazine by the bag chuck.

Since the magazine can automatically adjust the accommodation space in response to the size of the packaging bag for packaging, the cumbersome work required to change the bag size becomes unnecessary, contributing to the automation of the packaging machine.

In order to achieve the same object, the invention described in claim 3, in the gas-filled packaging method according to claim 1 or claim 2, the gap between the left and right pairs of grips supporting the packaging bag is automatically adjusted to the size of the packaging bag. It is characterized by being adjusted.

Since the grip automatically adjusts the gap between the left and right pair of gripping portions in response to the size of the packaging bag for packaging, the cumbersome operation of adjusting multiple grips one by one becomes unnecessary as the bag size is changed. It is possible to quickly and smoothly respond to the packaging machine.

In order to achieve the same object, the invention described in claim 4, in the gas-filled packaging method according to any one of claims 1 to 3, in the case where the packaging bag is a gusset bag in which the chuck is formed, the chuck is opened after supplying the bag and the surface of the bag It is characterized in that the portion is fixed by performing point sealing on an overlapping portion of the negative or rear portion and one of the V-shaped folded portions of both edges.

When the lower opening of the tuning funnel is inserted while the packaging bag is open, there is a possibility that the lower opening may interfere when the fold portion protrudes toward the inner center. Thus, by performing a point sealing process to fix the portion on the overlapping portion of the bag or the back portion of the bag with one of the V-shaped folds at both edges, the insertion funnel of the tuning funnel can be performed smoothly.

In order to achieve the same object, the invention described in claim 5 is the gas-filled packaging method according to any one of claims 1 to 4, in the main sealing step of the back mouse, the heat sealing of the back mouse in the first sealing step. After performing, it is also characterized in that heat sealing of the back mouse is performed in the second sealing step.

By performing this sealing, which is performed after temporary sealing, as two circuits of the first sealing and the second sealing, a sealing process having excellent quality can be reliably performed.

In order to achieve the same object, the invention as set forth in claim 6 is the gas-filled packaging method according to any one of claims 1 to 5, wherein all steps from the supply of the bag to the cooling sealing and external discharge of the system are the annular passages. It is characterized in that it is arranged on one side of the straight portion constituting the.

By arranging all the steps on one side of the straight portion, it is possible to shorten the time for the worker or maintenance manager to move, thereby contributing to reducing the burden of effort by the worker and the like.

In order to achieve the same object, the invention described in claim 7 is the gas-filled packaging method according to any one of claims 1 to 6, in the case where the packaging bag is a paper bag, the height of the bag mouse on the front and rear portions of the bag is a predetermined dimension. As a different shape, a resin coated on the inner surface is used, and the back mouse is temporarily sealed in the degassing and sealing step, and then the upper part than the gas sealing is folded by sewing means installed outside the system to sew the sewing machine. Characterized in that it is intended to do.

In order to achieve the same object, the invention described in claim 8, the plurality of grip units that horizontally move the annular passage composed of two straight portions and a semi-circular portion at both ends is intermittently moved at every plurality of stages, and the grip of the grip unit A track-type gas-filled packaging machine configured to charge a package to a packaging bag supported in a suspended state with the bag-mouse upward, and at the same time perform gas filling and then heat-seal the bag mouse.

As the packaging bag, a large gusset bag having a fold portion at both edges, a large freestanding bag having a fold portion at the bottom, or a bag or flat bag with a large chuck having a chuck on one of these bags (flat bag),

An operation panel for entering the size and type of the packaging bag and the type of the packaged object,

A plurality of packaging bags accommodated in a magazine are stacked and received one by one from the top by an adsorption board that can be moved up and down by a driving mechanism, and then handed over to a horizontally movable bag chuck, and transported by the bag chuck. A bag replenishing unit dropped into a guide of an adjacent bag positioning unit, a position of a side guide corresponding to the bag width based on input data by the operation panel, and a front end guide on the bag mouse side corresponding to the bag length, and Bag in the clamping unit of the clamping unit equipped with the above-mentioned positioning unit that automatically adjusts the position of the rear end guide to perform positioning, and the bag height correction function to hold the packaging bag in the guide by the chuck of the bag supply unit and wait upwards. The bag is installed so as to send the packaging bag to the grip, which is placed on the grip side of the bag with the mouse up and waiting for the bag supply step Class means;

A state in which the bottom portion of the bag is swollen by the adsorption action of the opening unit that opens the bag mouse by the adsorption action of the adsorption boards provided on both sides of the bag mouse, and the adsorption boards reciprocally installed on both sides of the bag. And a preceding orthopedic unit,

Simultaneously with the transfer of the packaging bag, a predetermined amount of the packaging bag is filled in the packaging bag by a tuning funnel that is controlled to move vertically and horizontally, and immediately after completion of the filling operation of the packaged object by a gas filling nozzle provided in the tuning funnel. Charging means provided to perform an inert gas supply operation into the bag during a plurality of steps of

From the filling step of the packaged object to the degassing and sealing step, the bottom tapping unit assists the dropping of the packaged object by tapping the receiving member at the bottom of the package bag, and the single or multiple packaged bags are pinched. A shaping means installed to shape the packaging bag in a desired shape by collaborating with at least one set of conveyor units controlled to synchronize the rotational speed with the transportation speed of the packaging bag;

A movable back mouse auxiliary opening unit capable of opening a part of the back mouse and inserting a degassing nozzle by allowing the adsorption action of the adsorption plate installed on both sides of the back mouse to be retractable, and at the same time closing the back mouse parts other than the open part. ,

A gasket sealing unit of the bag mouse that performs gas sealing by holding the bag mouse by a gas heater,

This sealing unit of the back mouse which performs heat sealing again at the gas sealing location,

It is characterized by comprising a cooling sealing unit that cools the place where the heat sealing is performed.

In order to achieve the same object, the invention described in claim 9, in the gas-filled packaging machine according to claim 8, the bag replenishing unit is provided with a plurality of magazines capable of automatically adjusting the receiving space corresponding to the size of the packaging bag, the packaging bag It characterized in that it is installed so as to circulate the magazine from the supply position for filling the magazine to the supply position for taking out the packaging bag accommodated in the magazine by the bag chuck.

In order to achieve the same object, the invention described in claim 10, in the gas filling packaging machine according to claim 8 or 9, the magazine, the chain or belt disposed in parallel in the horizontal direction is rotated forward by a separate drive unit, respectively And it is installed so as to be able to rotate in reverse, and the side guides on the other side are mounted on separate chains or belts, and by changing the rotational direction of these chains or belts to each other, the gap between both side guides is determined by a predetermined bag. It is characterized in that it is automatically adjusted to fit the width, and these chains or belts are installed to circulate while maintaining a predetermined bag width in the same rotational direction.

Since the magazine can automatically adjust the accommodation space in response to the size of the packaging bag for packaging, the cumbersome work required to change the bag size becomes unnecessary, contributing to the automation of the packaging machine.

In order to achieve the same object, the invention described in claim 11, in the gas filling packaging machine according to any one of claims 8 to 10, the gap between the left and right pair of grips of the grip supporting the packaging bag is adjusted to the size of the packaging bag. It is characterized by being installed to automatically adjust.

Since the grip is formed to automatically adjust the gap between the left and right pair of gripping portions in response to the size of the packaging bag for packaging, the cumbersome operation of adjusting multiple grips one by one becomes unnecessary as the bag size is changed. It is possible to quickly and smoothly respond to the packaging machine according to the change.

In order to achieve the same object, the invention described in claim 12, in the gas filling packaging machine according to any one of claims 8 to 11, in the case where the packaging bag is a gusset bag in which the chuck is formed, the chuck is opened in the chuck opening step after supply of the bag. At the same time, in the point sealing step, it is characterized in that a point sealing unit for fixing the portion by performing heat sealing on the overlapping portion of the bag or the back portion of the bag and one side of the V-shaped fold portion of both edges is provided.

When the lower opening of the tuning funnel is inserted while the packaging bag is open, there is a possibility that the lower opening may interfere when the fold portion protrudes toward the inner center. Thus, by performing a point sealing process to fix the portion on the overlapping portion of the bag or the back portion of the bag with one of the V-shaped folds at both edges, the insertion funnel of the tuning funnel can be performed smoothly.

In order to achieve the same object, the invention described in claim 13 is characterized in that in the gas-filled packaging machine according to any one of claims 8 to 12, the main sealing unit of the back mouse comprises a first sealing unit and a second sealing unit. Is done.

By performing this sealing, which is performed immediately after the temporary sealing, as two circuits of the first sealing and the second sealing, a sealing process having excellent quality can be reliably performed.

In order to achieve the same object, the invention described in claim 14 is the gas-filled packaging machine according to any one of claims 8 to 13, wherein all steps from supply of the packaging bag to cooling sealing constitute the annular passage. It is characterized by being arranged on one side of the straight portion.

By arranging all the steps on one side of the straight portion, it is possible to shorten the time for the worker or maintenance manager to move, thereby contributing to reducing the burden of effort by the worker and the like.

[Invention of claim 1]

According to this gas-filled packaging method, since the bag filling of a large-sized packaging bag can be performed in a stable form with excellent quality, there is an advantage in that collapse of the unloaded product does not easily occur when the product after packaging is flatly loaded. have. In addition, by inputting the size and type of the packaging bag and the type of the packaged object by the operation panel, the associated device according to the bag size change, for example, the accommodation space of the magazine of the supply device, the guide position adjustment of the bag positioning unit, The entire operation including switching of the gap between the gripping portions and the like can be automatically performed, so that packaging with a large packaging bag can be smoothly performed.

[Invention of claim 8]

According to this gas-filled packaging machine, since the bag filling of the packaged object with respect to the large-sized packaging bag can be performed in a stable form with excellent quality, there is an advantage that collapse of the unloaded product does not easily occur when the product after packaging is flatly loaded. . In addition, by inputting the size and type of the packaging bag and the type of the packaged object by the operation panel, the associated device according to the bag size change, for example, the accommodation space of the magazine of the supply device, the guide position adjustment of the bag positioning unit, The entire operation including switching of the gap between the gripping portions and the like can be automatically performed, so that packaging with a large packaging bag can be smoothly performed.

1 is a schematic explanatory view of a gas-filled packaging machine according to the method of the present invention.
2 is a plan view of copper.
3 is a copper and side view.
Fig. 4 is a schematic view for explaining the operation contents at the packaging stage.
5 is a perspective view of the clamp unit.
6 is a plan view of the clamp unit.
It is a schematic diagram explaining the linking operation | movement in a bag supply apparatus.
8 is a front view of the bag supply device.
9 is a side view of the bag supply device.
It is explanatory drawing of (1) normal plastic bag of FIG. 10, and (2) bag mouse of paper bag.
11 is an explanatory view from the charging step to the sealing step.
12 is an explanatory view showing the arrangement of the charging device and the shaping device in the charging step.
13 is a plan view of the conveyor unit.
14 is a schematic view for explaining the operation in the degassing / gassing step.

BEST MODE FOR CARRYING OUT THE INVENTION Below, examples of the best mode of the present invention will be described with reference to the drawings.

1 and 2 show a gas-filled packaging method of the present invention and a track-type gas-filled packaging machine (P) to which the packaging machine is applied. This packaging machine (P) is packed with packaging materials such as rice, pet food, fertilizer, etc. weighing about 10 to 20 kg in a large packaging bag, and is packed until the bag mouse is sealed from filling the packaging material. By continuously performing shaping, packaging is performed to obtain a stable form product that does not easily cause collapse of the cargo when the product after packaging is flatly stacked, and the related apparatus according to the change of the bag size based on an operator's instruction. The entire operation including conversion can be done automatically. As shown in Figs. 1 and 4, as the packaging step, a bag supply step (1), a chuck opening step (2) for opening a closed chuck in the case of a bag with a chuck, a point sealing step (3), and a bag opening · Inflating step (4), filling step (5), vibration / gas filling step (6) (7), degassing and temporary sealing step (8), first sealing step (9), second sealing step (10) ), Cooling, and external discharge step (11) of the system.

As shown in Figs. 1 to 3, the packaging machine P includes a plurality of grips that horizontally move the annular passage 3 composed of two straight portions 3a and 3b and semicircular portions 3c and 3d at both ends thereof. The unit 5 is intermittently moved in each of the above steps, and the bag 11 is supported by the grip 11 of the grip unit 5 to fill the packaged bag in a suspended state and maintain the quality while maintaining the quality. It has a configuration in which a bag (mouse gas) is filled to pack a bag mouse. Then, all the steps from the supply of the packaging bag until cooling sealing is arranged on one side of the straight portion 3a constituting the annular passage 3. The main devices, units, and main points constituting this packaging machine P will be described below.

In this packaging machine (P), although the main sealing step of the back mouse is divided into two steps of the first sealing step (9) and the second sealing step (10), the certainty of heat sealing is maintained, but this is one step. It is also possible to.

The object of the packaging bag is a gusset bag having a fold portion at both edges, a self-supporting bag having a fold portion at the bottom, or a bag or flat bag formed with a chuck having a chuck in one of them. About the size of the bag, width: 300-450 mm, length (height): 600-1050 mm. The length of unfolding the fold is 100 to 200 mm.

5 and 6, the grip unit 5 is a rail 4a, 4b in which a plurality of sets of rollers 7 rotatably installed on the base 6 form an annular passage 3 ), And the base () on an annular conveyance belt 4 driven by a known drive unit (not shown) consisting of an index mechanism built into the base 1 and a motor device. 6) is installed and installed to move intermittently.

In Fig. 6, a pair of left and right holders 8 are pivotally supported on the base 6, and a part of these holders 8 are connected to each other by a link 9. The gripping portions 12 of the grips 11 provided in the holders 8 respectively rotate the rollers 14 provided between the operation portions 13a of the link mechanism 13 by known drive units. It is provided so that opening and closing is possible by moving the pressing member (not shown) back and forth by a controlled cam mechanism (not shown).

Further, for the interval w of the gripping portion 12 of the pair of grips 11, the roller 15 provided on the lever 8a extending from the holder 8 on one side is a servo motor driving unit (not shown). It is installed so that it can be automatically adjusted according to the size of the bag width by the forward / backward movement of the pressing member 17 which is controlled by movement. Reference numeral "18" is a coil spring suspended between one holder 8 and the other holder 8. The coil spring 18 plays a role of holding the gripping portion 12 at a constant interval w by pressing the roller 15 against the pressing member 17.

(Bag supply unit)

The bag supply device (bag supply means) 20 is provided in the bag supply unit 22 for dropping the packaging bag accumulated in the magazine 31 into the guide of the bag positioning unit 35, and the packaging machine P The packaging bag is predetermined by the linking operation of the bag positioning unit 35 and the bag supply unit 45 and the clamp unit 50 for positioning the guide in response to the size of the bag input by the operation panel 2 It has an outline configuration that is sent to the grip 11 waiting for the bag supply step 1 by posture. The main operation contents of the bag supply device 20 are shown in FIG. 7.

In Fig. 8, the bag replenishing unit 22 is stacked on the magazine 31 by an adsorption board 24 that can be moved up and down by a servo motor drive unit (driving mechanism) 23 mounted on the frame 21. It is installed so as to lift a plurality of packaging bags accommodated one by one from above and lift up to a predetermined height. Reference numeral " 27 " is a back chuck that can be horizontally moved by the actuator 25 and opened and closed by the operation of the cylinder 26. The bag chuck 27 grips one edge (the side edge near the bag positioning unit 35) of the packaging bag lifted by the adsorption board 24 of the bag replenishing unit 22 to adjoin the bag positioning unit 35 ).

The magazine 31 is rotated and reversed by a servo motor driving unit provided separately by chains (or belts, preferably timing belts) 30 and 30 arranged horizontally parallel to the frame 29, respectively. It is rotatably installed, and by attaching one side guide 32a and the other side guide 32b to each chain 30, both sides are changed by changing the rotation direction of these chains 30 and 30 to each other. The guides 32a, 32b are provided to automatically adjust the gap to fit a predetermined bag width. The plurality of magazines 31, when one chain 30 and the other chain 30 are driven in the same rotational direction, the supply position (L ₁₎ for filling the bag while maintaining a predetermined bag width ), Circumferentially installed from the standby position (L ₂ ) to the replenishment position (L ₃ ) holding one edge of the packaging bag by the bag chuck (27).

The bag positioning unit 35 automatically adjusts the position of the side guides 36 and 37 corresponding to the bag width based on the input data by a servo motor drive unit (not shown), and the rear guide 38 The position is determined by automatically adjusting the position by the servo motor drive unit 39. In addition, the position of the front end guide 40 on the bag mouse side is provided so that the position can be automatically switched by the operation of the actuator 41 so as to correspond to a normal plastic bag and a paper bag. In addition, in this embodiment, when it is called "guide", it shall mean the structure which consists of side guides 36 and 37 and front-end kite 40.

When the packaging bag is a paper bag, a bag coated with a resin on the inner surface is used as a shape in which the height of the bag mouth of the bag is different from the height of the bag mouse by a predetermined dimension. After sewing, sewing machine sewing is performed in a state in which the upper portion is folded over by the sewing means installed outside the system. Therefore, in the case of a paper bag, as shown in Fig. 10, the height of the back mouse is not ordered and the lower side is used as a reference for the height, so the length dimension h from the position gripped by the grip 11 to the back mouse (h) ) Is provided to be switchable and adjustable by a shear guide 40 to make it larger than a conventional plastic bag.

The bag supply unit 45 receives the arm 47 fixed to the shaft 46 which is rotationally controlled by a cam (not shown) to the grip position of the packaging bag and the clamp 56 of the clamp unit 50. It is installed to reciprocate between (pass) positions. Reference numeral " 48 " is a chuck provided at the distal end of the arm 47.

A plurality of cams (not shown) are provided in the main shaft 1a, which removes the timing of the entire device and mechanism by a driving device built in the base 1 of the packaging machine P (Fig. 3). . Then, the clamp unit 50, as shown in Fig. 9, the base provided with a pair of clamps 56 by a lever 52 fixed to a shaft 51 that is rotationally controlled by a specific cam among them ( 55) is installed to be movable in the front-rear direction. The clamp 56 is provided so as to be opened and closed by a lever 54 fixed to the shaft 53 which is rotationally controlled by a cam (not shown). The base 55 is freely mounted on and off by the servo motor drive unit 57 based on data detected by the laser sensor 49 provided on the arm 47. Thereby, the height of the packaging bag clamped by the clamp 56 can be automatically adjusted to a predetermined dimension, and the function is referred to herein as a "bag height correction function". About this "bag height correction function", it has a structure in conformity with the well-known mechanism disclosed in Unexamined-Japanese-Patent No. 2011-6129 which is an example of the packaging bag supply apparatus which concerns on this applicant.

Accordingly, the plurality of packaging bags stacked and accommodated in the magazine 31 are lifted up one by one from above by the adsorption board 24 of the bag replenishing unit 22 and passed to the bag chuck 27, and the bag chuck 27 The side guide 36 corresponding to the bag width of the guide based on the input data after transferring the packaging bag gripped by) to the adjacent bag positioning unit 35 and dropping it into the guide of the unit 35 , 37, and the position of the front end guide 40 and the rear end guide 38 is automatically adjusted to determine the position, and then the packaging bag (a) in the guide is chuck 48 of the bag supply unit 45 A bag supply device (20) for holding the bag mouse to the clamp (56) of the clamp unit (50), which is gripped by the upper side and held upward, to send the packaging bag to the grip (11) waiting for the bag supply step (1). ) Is composed.

(Point sealing unit)

In the point sealing step 3, a point sealing unit 60 is provided. In the case of a gusset bag, as shown in Fig. 10, V-shaped fold portions c are formed on both edges, and in the case of a large bag a used in the packaging machine P, it is folded in a folded state. The length dimension of the housing portion is 50 mm or 100 mm. When the lower inlet of the tuning funnel described later in the open state of the bag (a) is inserted, there is a possibility that the lower inlet interferes when the retracting portion (c) protrudes to the inner center. In consideration of this, a heat sealing is performed by the point sealing unit 60 to the overlapping portion of the bag's front or rear portion with one of the V-shaped fold portions c on both edges to perform a process of fixing the portion. It is done.

(Preceding orthopedic unit)

In the bag opening / inflating step (4), the opening unit 62 for opening the bag mouse by the adsorption action of the adsorption plate 63 provided on both sides of the bag mouse b to advance and retreat, and the preceding shaping unit 65 ). As shown in Fig. 4, the preceding shaping unit 65 is provided so that the bottom portion of the bag is inflated by the adsorption action of the adsorption board 66 provided retractably on both sides of the packaging bag a. .

(Charging device)

The filling device (filling means) 70 is provided to fill the packaging bag with a predetermined amount of the packaged object by a tuning funnel 77 that controls vertical movement and horizontal movement in synchronization with the transportation of the packaging bag. Specifically, in FIG. 3, the lifting unit 73 is installed on the annular conveying belt 72 attached to the pair of pulleys 71 arranged at a predetermined distance when viewed from the plane, and the lifting unit 73 A tuning funnel 77 equipped with a gas filling nozzle 78 is mounted on the sliding 76 of. The lower end portion 73b of the elevating unit 73 is freely attached to the rail 75 forming the second annular passage 70a. Then, the lifting unit 73 is a known driving unit composed of an indexing mechanism and a motor device built in the base 1 in which vertical movement is controlled by driving of the servo motor driving unit 74 in synchronization with the transportation of the packaging bag. It is installed so that horizontal movement is controlled in synchronization with the transportation of the packaging bag by (not shown).

(Floor tapping unit)

The floor tapping unit 80 is arranged in three places: a filling step (5) of a packaged object, a vibration / gas filling step (6) (7), and a degassing / gassing step (8) (FIGS. 11 and 12). , By rotating the rotational motion by the servo motor drive unit 81 installed on the base 1 side into a linear motion by the crank mechanism 82, it is provided to move the receiving member 83 up and down. Reference numeral " 85 " is a servo motor driving unit installed to perform height adjustment by moving the floor tapping unit 80 mounted on the guide member 84 arranged in the vertical direction in the vertical direction.

Accordingly, the tuning funnel 77 was lowered by the drive of the servo motor driving unit 74 in the bag opening / inflating step 4 and moved to the filling step 5 of the packaged object while being inserted into the packaging bag and stopped. At this time, by tapping the receiving member 83 of the bottom tapping unit 80 at the bottom of the packaging bag, while assisting the dropping of the packaged object, the packaged quantity discharged from the weighing device (not shown) is The charging device 70 is configured to be charged through the tuning funnel 77 and start supplying an inert gas in the bag by the gas filling nozzle 78 immediately before the end of the filling operation.

(Orthopedic device)

As shown in Fig. 11, the shaping device (shaping means) intercepts a single or plural packing bags during the transfer from the filling step 5 of the packaged object to the degassing and sealing step 8, and transports the packing bag. At least one set controlled to synchronize the rotational speed at a speed, in this embodiment, a form in which a packaging bag is desired by co-operation with three sets of conveyor units 91 and the bottom tapping unit 80, in this embodiment It is installed to form in the form of a rectangular parallelepiped. Therefore, by performing these shaping, it is avoided that collapse of the unloading product when the packaging bag as a product is stacked flat is avoided.

12 and 13, the conveyor unit 91 is a direction orthogonal to the flow direction (x) of the guide bar 93 to the bearing member 92 disposed at a predetermined distance from the base 1 with respect to the flow direction x The side conveyor 98 is installed on the base 94 fixed to the front ends of these guide bars 93 so as to be retractable. Reference numeral "96" is a ball screw that is rotationally controlled by the servo motor drive unit 95, and the tip end of the ball screw 96 is attached to the base 94. The side conveyor 98 hangs the plastic chain 100 on the pulleys 99 and 99 arranged at predetermined intervals parallel to the flow direction (x) of the packaging bag, and determines the rotational speed of the plastic chain 100. It is installed to synchronize with the feed speed. As shown in FIG. 13, this side conveyor 98 is arrange | positioned at both sides of the surface and the back of the packaging bag which passes, and is provided so that it may rotate in the same direction as the flow direction (x) of the packaging bag.

(Movable back mouse auxiliary opening unit)

11 and 14, the movable back mouse auxiliary opening unit 105 closes a small suction panel 107 and back mouse parts other than the open part that allows insertion of the degassing nozzle 110. The base 106 on which the back mouse pressurizing member 108 to be mounted is reciprocally installed by driving an actuator (not shown), and the actuator is charged with vibration and gas by a servo motor driving unit (not shown). A reciprocating movement is provided between the step 7 and the degassing and temporary sealing step 8. The adsorption board 107 and the bag-mouse pressing member 108 are disposed respectively corresponding to both sides of the front and rear surfaces of the packaging bag.

Therefore, a part of the back mouse is opened by the adsorption action of the adsorption boards 107 and 107 installed on both sides of the back mouse to allow insertion and removal of the degassing nozzle 110, and at the same time, back mice other than the open part are provided. The movable back mouse auxiliary opening unit 105 is provided with the part closed.

In the degassing and sealing step (8), the degassing nozzle 110 is inserted into the packaging bag to remove the air remaining in the bag, and then the nozzle 110 is escaped from the packaging bag, and then the gas sealing unit is closed. The back mouse is held by the ground 112 to perform sealing.

The sealing unit comprises a first sealing unit installed in the first sealing step 9 and a second sealing unit installed in the second sealing step 10. Then, heat sealing is performed by the heater 113 of the first sealing unit and the heater 114 of the second sealing unit at the temporary sealing location performed by the heater 112.

The cooling sealing unit has a well-known configuration in which the cooling bar 115 cools the place where heat sealing is performed by the sealing unit.

Thus, the size and type of the packaging bag, the type of the packaged object, and the like are input by the operation panel 2,

In the bag supply step (1), a plurality of packaging bags stacked and accommodated in the magazine 31 of the bag supply device 20 is lifted up one by one from the top by the adsorption board 24 of the bag replenishing unit 22 After passing to the chuck 27 and conveying the packaging bag held by the bag chuck 27 to the bag positioning unit 35, dropping it into the guide of the unit, and corresponding to the bag width based on the input data The position of the side guides 36 and 37 and the position of the front end guide 40 and the rear end guide 38 are automatically adjusted, and the packaging bag in the guide is gripped by the chuck 48 of the bag supply unit 45 to move upward. The bag mouse is placed on the clamp 56 of the clamp unit 50 waiting for the upper side, and the packaging bag is sent from the clamp 56 to the grip 11 waiting for the bag supply step (1),

In the bag opening / inflating step (4), the bag mouth is opened by the adsorption action of the adsorption board 63, and the bottom of the packaging bag is inflated by the adsorption action of the adsorption board 66,

In the filling step (5) of the packaged object, the synchronizing funnel (77) controlled vertically and horizontally in synchronization with the transport of the packaging bag is lowered and inserted into the packaging bag, and the receiving member (83) of the bottom tapping unit (80) is inserted. Filling a certain amount of the packaged material while assisting in dropping the packaged object by tapping at the bottom of the packaging bag,

In the period from immediately before the end of the filling operation to a plurality of subsequent steps, the operation of supplying the inert gas from the gas filling nozzle 78 provided in the tuning funnel 77 into the bag is continued,

In the period from the filling step (5) of the packaged object to the degassing / sealing step (8), the bottom tapping unit 80 is interlocked with a single or multiple packaging bags to control the rotational speed to be synchronized with the transport speed of the packaging bags. The packaging bag is shaped into a desired shape by co-operation with a shaping device equipped with three sets of conveyor units 91.

While the packaging bag is moving to the degassing and sealing step (8), the tuning funnel (77) and the gas filling nozzle (78) escape from the packaging bag, and at the same time, a part of the bag mouse is absorbed by the adsorption action of the adsorption panel (107). Leave it open,

In the degassing and sealing step (8), the degassing nozzle 110 is inserted into the packaging bag to remove residual air, and then the nozzle 110 is escaped from the packaging bag, and the bag mouse is removed by the heater 112. Gaziling is performed by pinching,

In the first sealing step (9) and the second sealing step (10), heat sealing is performed at the temporary sealing point,

In the cooling sealing system external discharge step (11), after cooling the heat sealing point, the product packaging bag (a ') is discharged out of the system, and the operation of switching the related device according to the change of the bag size can be performed automatically. A track-type gas filling packaging machine (P) according to the invention is configured.

In addition, when the packaging bag supported by the grip 11 is not at a predetermined height, in the case of a bag with a chuck, the chuck is not open, or when the other grip 11 is supported only In the point sealing step (3), the grip 11 is opened to perform the process of discharging the bag out of the system. In addition, when the packaging bag supported by the grip 11 is defective in opening or inflated, the grip 11 is opened in the first sealing step 9 to discharge the bag out of the system. In addition, when metal is mixed with the packaged object packed in the packaging bag, the grip 11 is opened in the first sealing step 9 based on the detection operation of the metal detection sensor (not shown), and thus the bag 11 is opened. The process of discharging the water from the system is performed.

The packaging bag filled with the packaged material has a weight of 15 to 20 kg, and if it is supported only by the grip 11, there is a fear that the upper portion of the bag is extended. Therefore, from the first sealing step 9, the conveyor group 120 supporting the bottom of the bag is arranged in the cooling / system external discharge step 11. The symbol "121" is a conveyor for discharge outside the system.

The operation of the track-type gas-filled packaging machine P according to the present invention is described in terms of the configuration in the main device and the terms of each unit, and therefore, the description is omitted.

P: Track type gas filling packaging machine according to the present invention
a: packing bag
a ': packaging bag as product
b: back mouse
c: fold part
x: Flow direction of the packaging bag
3: annular passage
5: Grip unit
11: grip
20: bag supply device (bag supply means)
22: bag supply unit
24: adsorption board
27: back chuck
31: Magazine
32a, 32b: side guide
35: bag positioning unit
38: rear end guide
40: shear guide
60: point sealing unit
62: opening unit
65: preceding shaping unit
70: charging device (charging means)
77: Tuning funnel
78: gas filling nozzle
80: floor tapping unit
91: conveyor unit
105: movable back mouse auxiliary opening unit
110: deaeration nozzle

Claims (14)

A plurality of grip units that horizontally move an annular passage composed of two straight portions and semi-circular portions at both ends are intermittently moved at every plurality of stages, and are suspended with a bag mouth upward by the grip of the grip unit. Using a track type gas-filled packaging machine that fills the packaging bag supported in a state and simultaneously performs gas filling, and then performs heat sealing of the bag mouse. As a gas filling packaging method,
As a packaging bag, a large gusset bag having a folded portion at both edges, a large standing-pouch having a folding portion at the bottom, or any one of these bags Targeting a bag or flat bag with a large chuck formed with a chuck,
Enter the size and type of the packaging bag and the type of the packaged object by the operation panel,
In the bag supplying step, a plurality of packaging bags stacked and accommodated in a magazine is lifted up and down one by one from the top by an adsorption panel that is controlled to move up and down of the bag supply unit, and is handed over to a bag chuck and held by the bag chuck. After transferring the packaged bag to an adjacent bag positioning unit and dropping it into the guide of the unit, based on the input data, the position of the side guide corresponding to the bag width of the guide and the length corresponding to the length of the bag The position of the front and rear guides on the bag mouse side is automatically adjusted to determine the position, and then the bag in the guide is held by the chuck of the bag supply means to wait on the top. Sandwich the bag mouse on the clamp of a clamp unit having a height correction function, and the bag from the clamp To transfer the packaging bag to the grip waiting in the supply step of,
In the opening / inflating step of the bag, the bag mouse is opened by the adsorption action of the adsorption board, and the bottom of the packaging bag is inflated by the adsorption action of the adsorption board,
In the filling step of the packaged object, the synchronizing funnel controlled vertically and horizontally in synchronization with the transport of the packaging bag is lowered and inserted into the packaging bag, and at the same time, the receiving member of the bottom tapping unit is tapped at the bottom of the packaging bag. Filling the packaged amount while assisting in dropping the packaged object,
In the period from immediately before the end of the filling operation to a plurality of subsequent steps, the operation of supplying the inert gas from the gas filling nozzle provided in the tuning funnel into the bag is continued,
In the period from the filling step of the packaged object to the degassing and temporary sealing step, the bottom tapping unit and the single or multiple packaging bags are pinched to synchronize the rotational speed at the transport speed of the packaging bag. The packaging bag is shaped into a desired shape by a joint operation with a shaping means provided with at least one set of controlled conveyor units,
Then, while the packaging bag moves to the degassing and sealing step, the tuning funnel and the gas filling nozzle are released from the packaging bag, and at the same time, a part of the bag mouse is opened by the adsorption action of the adsorption plate,
In the degassing and sealing step, a degassing nozzle is inserted into the packaging bag to remove air remaining in the bag, and then the nozzle is released from the packaging bag, and then the bag mouse is pinched by a temporary heater. Do gas sealing,
In addition, heat sealing is performed at a temporary sealing place at the main sealing step of the back mouse,
In the cooling sealing / discharging step outside the system, after cooling the place where the heat sealing was performed, the packaging bag is discharged out of the system.
Gas filling packaging method. According to claim 1,
The bag replenishing unit is provided with a plurality of magazines capable of automatically adjusting the accommodation space corresponding to the size of the packaging bag, and withdraws the packaging bag accommodated in the magazine by the bag chuck from a supply position for filling the packaging bag with the magazine. A gas-filled packaging method in which a magazine is circulated to a replenishment location. The method according to claim 1 or 2,
Gas filling packaging method, wherein the gap between the left and right pair of grips supporting the packaging bag is automatically adjusted according to the size of the packaging bag. The method according to claim 1 or 2,
When the packaging bag is a gusset bag with the chuck formed, the chuck is opened after the bag is supplied, and at the same time, point sealing is performed on the overlapping portion between the surface portion or the back portion of the bag and one side of the V-shaped fold portion of both edges. Gas filling packaging method. The method according to claim 1 or 2,
In the main sealing step of the back mouse, after performing the heat sealing of the back mouse in the first sealing step, the heat sealing of the back mouse is performed again in the second sealing step. The method according to claim 1 or 2,
The gas-filled packaging method in which all the steps from the supplying of the bag to the cooling sealing / discharging outside of the system are arranged on one side of the straight portion constituting the annular passage. The method according to claim 1 or 2,
In the case where the packaging bag is a paper bag, a bag coated with a resin on the inner surface is used in which the heights of the bag and the back parts of the bag are different from each other by a predetermined dimension, and the bag mouse is subjected to the degassing and sealing step. A gas-filled packaging method in which sewing is carried out by folding a portion above the gas sealing by means of sewing provided outside the system after the gas sealing is performed. A plurality of grip units that horizontally move an annular passage composed of two straight portions and semi-circular portions at both ends thereof are intermittently moved at every plurality of stages, and in a packaging bag supported with a bag mouse up and suspended by the grip of the grip unit. A track-type gas-filled packaging machine for filling the object to be packaged and performing gas filling, followed by heat sealing of the back mouse.
As the packaging bag, a large gusset bag having a fold portion at both edges, a large freestanding bag having a fold portion at the bottom, or a bag or flat bag with a large chuck having a chuck on one of these bags (flat bag),
An operation panel for inputting the size and type of the packaging bag and the type of the packaged object;
A plurality of packaging bags accommodated by being stacked in a magazine is lifted up and down one by one from the top by an adsorbing plate that can be moved up and down by a driving mechanism, and is passed to a horizontally movable bag chuck, and the packaging bag gripped by the bag chuck is transported. A bag replenishing unit dropped into a guide of an adjacent bag positioning unit, a position of a side guide corresponding to the bag width based on input data by the operation panel, and a front end guide on the bag mouse side corresponding to the bag length, and Bag in the clamp of the clamping unit equipped with the positioning unit that automatically adjusts the position of the rear end guide to perform positioning, and the bag height correction function to hold the packaging bag in the guide by the chuck of the bag supply unit and wait on top. A bag installed to send the packaging bag to the above grip, which is held by the mouse and placed on the feeding stage of the bag. Supply means;
The opening unit that opens the bag mouse by the adsorption action of the adsorption boards provided on both sides of the bag mouse, and the bottom of the bag is swollen by the adsorption action of the adsorption boards installed on both sides of the packaging bag to be able to move back and forth. A preceding orthopedic unit to be in a state;
At the same time as the packaging bag is filled with a predetermined amount of the package by a tuning funnel that is controlled to move vertically and horizontally in synchronization with the transport of the packaging bag, and immediately before the end of the filling operation of the package by the gas filling nozzle provided in the tuning funnel. Charging means provided to perform an operation of supplying an inert gas into the bag for up to a plurality of subsequent steps;
From filling the package to the sealing of the bag mouse, tapping the receiving member at the bottom of the package bag, the bottom tapping unit assists the dropping of the package, and the single or multiple packaging bags are pinched. Shaping means installed to shape the packaging bag in a desired shape by co-operation with at least one set of conveyor units controlled to synchronize the rotational speed with the transportation speed of the packaging bag;
A movable back mouse auxiliary opening unit capable of opening a part of the back mouse and allowing insertion of a deaeration nozzle by closing the back mouse part other than the open part by the adsorption action of the adsorption plate provided on both sides of the back mouse so as to be retractable ;
A gassiling unit of the bagmouse that holds the bagmouse by a gas heater to perform gassilling;
A main sealing unit of the back mouse which performs heat sealing again at the gas sealing place; And
A cooling sealing unit that cools the portion where the heat sealing is performed;
Gas filling packaging machine comprising a. The method of claim 8,
The bag replenishing unit is provided with a plurality of magazines capable of automatically adjusting the storage space corresponding to the size of the packaging bag, and replenishing the packaging bag accommodated in the magazine by the bag chuck from a supply position for filling the packaging bag with the magazine. A gas-filled packaging machine installed to circulate the magazine in position. The method of claim 8 or 9,
In the magazine, chains or belts arranged in parallel in the horizontal direction are installed to be rotated forward and reverse respectively by separate drive units, and one side guide and the other side guide are attached to separate chains or belts. By mounting and changing the rotational direction of the chain or belt to each other, the gap between both side guides is automatically adjusted to match the predetermined bag width, and the chain or belt maintains a predetermined bag width in the same rotational direction. A gas filling packaging machine installed to circulate to the furnace. The method of claim 8 or 9,
A gas filling packaging machine installed to automatically adjust a gap between the left and right pairs of grips supporting the packaging bag according to the size of the packaging bag. The method of claim 8 or 9,
In the case of the gusset bag in which the chuck is formed, the chuck is opened in the chuck opening step after the bag is supplied, and at the same time, the surface portion or the back portion of the bag in the point sealing step is overlapped with one side of the V-shaped fold portion of both edges. A gas-filled packaging machine equipped with a point sealing unit for fixing the portion by performing heat sealing. The method of claim 8 or 9,
A gas-filled packaging machine, wherein the sealing unit of the back mouse is composed of a first sealing unit and a second sealing unit. The method of claim 8 or 9,
The bag supply means, the opening unit, the preceding shaping unit, the filling means, the bottom tapping unit, the shaping means, the movable back mouse auxiliary opening unit, the temporary sealing unit, the bone sealing unit, and the cooling sealing unit The gas filling packaging machine is arrange | positioned at the side of one straight part which comprises the said annular passage.

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