JPH0597124A - Bag making/filling/packaging machine - Google Patents

Abstract

PURPOSE:To provide a bag-making/filling/packaging machine which discharges an inner roll holder and sends an outer material roll inward after a paper joining, and does not waste the let-out of a packaging paper at that time. CONSTITUTION:A roller holder 1 is received by inner side roller 16-18, and the let-out of a packaging paper W1 is done from a material roll R1, and packaging operation is performed. When the material roll R1 approaches its end, a roll holder 2 is received by outer side rollers 12-14, and a packaging paper W2 is let out from a material roll R2 and is set to a paper joining device 60, and a paper joining is performed while the packaging operation is stopped. A second movable member 19 shakes, and the roll holder 1 drops on a discharge guide 20, and is discharged to the lower rear side of the packaging machine. A paper let-out roll 30 is reversed, and the packaging paper between the paper let-out roll 30 and a former is sagged. A first movable member 15 shakes, and the roll holder 2 is transferred on a guide rail 11 and rolls, and the material roll R2 winds up the sag of the packaging paper, and the packaging operation is resumed.

Description

Detailed Description of the Invention

[0001]

INDUSTRIAL APPLICABILITY The present invention is capable of taking out a used roll holder at the inner position of the packaging machine to the rear of the lower part of the packaging machine after the original roll for the next use is set in the rear part of the packaging machine and the splicing is completed. At the same time, it is possible to feed the replenished original roll inward, and at that time, it is possible to prevent the original roll from rotating in the winding direction and unnecessarily feeding the wrapping paper. The present invention relates to a provided bag-making filling and packaging machine.

[0002]

2. Description of the Related Art As a conventional device of this type, there is Japanese Patent Application No. 63-86184 filed by the present applicant. In the original roll changing device, the swing arm swings up and receives the standby original roll while the packaging operation is stopped, and then swings down to feed the standby original roll inward to use the original roll. The discs attached to the shaft ends of the roll holders in the standby position outside the device and in the use position inside the device are in close contact with the disc brakes and the brakes are applied so that the feeding of the paper does not become loose. It has become.

[0003]

[Problems to be Solved by the Invention] Japanese Patent Application No. 63-8618
In the original roll changing device of No. 4, as the swing arm swings down, the paper is fed from the original roll. At this time, the original roll cannot be braked. There is a problem that the unrolling rotation of the material roll is performed unnecessarily large and the unrolling of the paper is loosened by several meters.

The present invention has been devised in view of the above-mentioned points. After the original roll to be used next time is set in the rear part of the packaging machine and the splicing is completed, the used roll holder at the inner position of the packaging machine is set. It can be taken out after completing the paper splicing to the lower part of the wrapping machine, and the added original fabric roll can be fed inward, and at that time, the original fabric roll rotates in the winding direction and feeding of the wrapping paper is wasted. It is an object of the present invention to provide a bag-making filling and packaging machine equipped with an original fabric roll exchanging device capable of avoiding the above.

[0005]

According to the present invention, as means for solving the above-mentioned problems, the shaft portions of the two roll holders 1 and 2 for respectively supporting and supporting the original rolls R1 and R2 can be removed. Both ends of the roll holder 1 are supported by the both ends, and after the paper is spliced by the paper splicing device 60, the inner roll holder 1 is discharged and the outer raw roll R
A wrapping paper W1 provided with an original roll changing device 10 adapted to feed 2 inwardly and fed from one original roll R1 attached to the original roll changing device 10.
The wrapping paper W2 fed from the other original roll R2 attached to the original roll changing device 10 at the cut end of the wrapping paper W2.
The front end of the wrapping paper W1 can be replenished by the adhesive tape T or by welding above the original fabric roll exchanging device 10. Further, the wrapping paper W1 is fed out by the paper rewinding roll 30 provided on the downstream side of the replenishment position. ,
Further, the wrapping paper W1 is guided to the former 50 after the wrapping paper W1 is adjusted by the paper wrapping adjustment device 40 between the wrapping roll 30 and the former 50, and then the wrapping paper W1 is guided to the former 50. In the machine, the raw roll changing device 10 has a shaft portion of a roll holder 2 for supporting the raw roll through both sides of the left and right side frames 71 and 72, which has a high front side and is gradually inclined inward. A pair of left and right guide rails 11 that can roll the roll holder 2 inward when placed in a supported state are provided, and a shaft portion of the roll holder mounted on the guide rails 11 near the outer ends of the guide rails 11. At least two outer rollers 12,1
3, 14 are attached, and the outer side roller 14 which is in contact with the inner side of the outer side rollers of the roll holder is located closer to the inner side than directly below the shaft portion of the roll holder. At least two inner rollers that are mounted and receive the shaft portion of the roll holder 1 that supports the original roll rolling on the guide rails 11 near the inner ends of the guide rails 11. 16, 17, 18 are attached,
In addition, among these inner side rollers, an inner side roller 18 that abuts inward more than directly below the shaft portion of the roll holder is pivotally attached to an appropriate second movable member 19, and further on the right and left sides. The side frames 71, 72 receive the shaft portion of the roll holder, which has a lower front side just below the guide rail 11 and is gradually inclined inwardly gradually higher and falls from the inner end of the guide rail 11, in a state of supporting both ends. Is provided with a pair of left and right discharge guides 20 that can be discharged to the front side, and the outer roller 14 that abuts more inward than directly below the shaft of the roll holder,
When the first movable member 15 swings when the original roll is fed inward, the first movable member 15 is separated from the shaft portion of the roll holder 2 to allow the roll holder 2 to roll on the guide rail 11 and then return. In addition, the inner side roller 18 abutting more inward than directly below the shaft portion of the roll holder 1, the second movable member 19 swings after the splicing, and the shaft of the roll holder 1 rotates. The roll holder 1 is separated from the above portion and is allowed to fall, and then returned. The paper feed roll 30 is interlocked with the first movable member 15 before the swing thereof so that the required rotation number is reversed. The present invention provides a bag-making filling and packaging machine.

[0006]

[Function] The shaft portions at both ends of the roll holder 1 for inserting and supporting the original roll R1 currently in use have left and right inner side rollers 1
It is assumed that the raw paper roll R1 is received, the wrapping paper W1 is fed out from the raw fabric roll R1, the packaging operation is performed, and the use of the raw fabric roll R1 is almost finished. Therefore, the shaft portions at both ends of the roll holder 2 for inserting and supporting the original roll R2 to be used next time are attached to the left and right outer side rollers 12, 13,
14 to receive the wrapping paper W2 from the original roll R2 to be used next time and set it in the upper paper splicing device 60,
Stop the packaging operation and splice the paper. When the splicing is finished, the inner original roll R1 is disconnected. Therefore, the second movable member 19 swings, the outer roller 18 provided on the second movable member 19 is separated from the used inner roll holder 1, and the roll holder 1 is ejected by the discharge guide 20.
It falls on the top and is discharged to the lower rear of the packaging machine. The second movable member 19 then returns and swings. Then, the paper roll 30
Is reversely rotated by the required number of rotations, and the required dimension of the wrapping paper portion between the paper-rolling roll 30 and the former is adjusted and fed backward to the upstream side of the paper-rolling roll 30 to be loosened. Then, the first movable member 15 swings, the outer roller 14 provided on the first movable member 15 is separated from the roll holder 2, and the roll holder 2 rolls over the guide rail 11 and rolls. , The added roll roll R2 causes the wrapping paper W1 to hang down between the paper roll 30 and the paper splice portion.
The roll holder 2 rolls on the inner roller to become the roll holder with the reference numeral 1 by pulling through and rotating while winding. The first movable member 15 then swings to return. Then, the packaging operation is restarted. When the winding diameter of the original roll is larger than the storage space of the original roll that is stored inside the rear part of the packaging machine, the original roll remains received by the outer roller after paper splicing. When the winding operation is performed and the winding diameter of the original fabric roll becomes smaller than the required dimension after a lapse of time, the packaging operation is stopped and the paper feed roll 30 is reversed to rotate the paper splice portion and the paper feed roll as described above. After the wrapping paper has a hang-down between 30 and 30, the first movable member 15 is swung to move the original fabric roll R2 inward, and the packaging operation is restarted as the original fabric roll R1. In addition, even if the operation is fully automatic,
It may be semi-automatic.

[0007]

EXAMPLES Examples of the bag-making filling and packaging machine according to the present invention will be described below. First, a first embodiment will be described with reference to FIGS. The packaging machine of this embodiment is a vertical bag-filling packaging machine, and the inner roll holder 1 is dropped at the lower part of the rear part of the packaging machine and discharged, and the outer fabric roll R2 is fed inward. The roll changing device 10 is provided, and the guide roll 73 and the automatic paper splicing device 60 are provided at the upper part of the rear part of the packaging machine
The paper roll 30 is provided in front of the automatic splicing device 60.
Further, the paper feed adjusting device 40 is provided so that the original fabric roll R1 currently in use can be operated while being positioned inward, while the original fabric roll R2 to be used next time can be made to stand outside. ..

In this bag-making filling and packaging machine, the wrapping paper W1 fed from the original roll R1 currently in use is guided by a guide roll 73, an automatic paper splicing device 60, a paper feed roll 30, a paper feed adjusting device 40, and a former 50. It is configured to flow in the order of. Then, the wrapping paper W2 fed from the original roll R2 to be used next time is cut along with the eye mark, the half of the tape width of the adhesive tape T is attached to the tip, and the remaining half of the tape width of the automatic paper splicing device 60. It is adapted to be stuck to the flat roll 61 and made to stand by.

The paper feed adjusting device 40 includes a paper feed roll 30.
The wrapping paper W1 is wound so as to be folded between the former and the former 50, and excessive tension or slack of the wrapping paper W1 due to the speed difference between the wrapping speed of the wrapping unit including the former 50 and the paper wrapping speed of the paper take-up roll 30 is eliminated. As described above, the winding length can be adjusted appropriately. Paper adjusting device 40
Is no longer necessary in a vertical bag-making filling and packaging machine that performs multi-axis operation control by a servomotor, but in the present invention,
It is necessary to adjust the paper feed in correlation with the original roll changing device 10 and the paper feed roll 30.

The paper feed roll 30 is an automatic paper splicing device 60.
When the paper is spliced by, the eye mark of the wrapping paper W1 currently in use is matched with the cut position of the automatic paper splicing device 60, and the original roll R2 in the outer position of the original roll changing device 10 is rotated. When it is fed to the other side, it is rotated in the reverse direction and folded around the paper feed adjusting device 40, and the wrapping paper is fed to the side of the automatic paper splicing device 60 so that the paper has a required size.

The automatic paper splicing device 60 includes a flat roll 61 in which a flat convex portion rotatably contacts a flat plate 63 biased upward by a spring 62 so as to push the flat plate 63 downward, and an upstream side of the flat roll 61. , The upper plate 64, the middle plate 65, and the lower plate 66. The wrapping paper W1 currently in use is passed between the middle plate 65 and the lower plate 66, and the wrapping paper W2 for the next use is connected to the upper plate 64 and the middle plate. The upper plate 64 and the middle plate 65 are passed between the plate 65 and
Is pressed down by the air cylinder device 67 to fix the currently used wrapping paper W1 with the middle plate 65 and the lower plate 66, and fix the next use wrapping paper W2 with the upper plate 64 and the middle plate 65.
A cutter 68 arranged below the lower plate 66 pushes up by a pneumatic cylinder device 69 through a slit formed in the lower plate 66 to cut the wrapping paper W1 currently in use, and then the flat roll 61 rotates to rotate the adhesive tape T. Is peeled off by itself and adhered to the cut end of the wrapping paper W1 currently in use, and further squeezed several times from the top. The intermediate plate 65 is adapted to be manually pulled out after completion of the paper splicing and passed over the added wrapping paper W1. When the feeding of the wrapping paper W1 from the inner original roll R1 currently in use is finished, the automatic paper splicing device 60 detects this by the side sensor 74 and automatically stops the operation. Moreover, after the paper feed roll 30 is adjusted and rotated and the eye mark of the wrapping paper W1 is aligned with the cutting position, the paper splicing is started.
In addition, the cutting of the wrapping paper W1 currently in use and the addition of the tip of the wrapping paper W2 for the next use to the cut end with the adhesive tape T are performed manually or by the automatic welding device. The case is also included in the present invention.

When the feeding of the wrapping paper W1 from the in-use original roll W1 located inside is completed, the original roll changing device 10 detects this by the sensor 74 and automatically stops the operation. After the paper is spliced by the automatic paper splicing device 60, the used roll holder 1 is automatically discharged, and the paper roll 3 is used.
0 reverses to give a slack of a required length between the paper feed roll 30 and the automatic paper splicing device 60, and then the original roll R2
Is sent inward.

Currently used original roll R1 located inward
The original roll R2 to be used next time, which is located outside, is skewed into the roll holder 1 (or 2) and chucked at both ends with reference to the center. The roll holder 1 (or 2) has a handle 1a (or 2) as shown in FIG.
When a) is turned and turned, the left and right nut runners 1c screwed to the right and left threads of the inner shaft 1b (or 2b)
(Or 2c) can be moved toward and away from each other, and each nut runner is slidably fitted on the outer shaft 1d (or 2d) through a slit formed in the outer shaft 1d (or 2d), and chuck disks 1e, 1e (or 2e, 2e) conical surface part is roll roll R
Both ends of the core of 1, R2 are chucked. The original roll R1 (or R2) is attached by removing the chuck disc 1e (or 2e) without the handle 1a (or 2a) and inserting it into the outer shaft 1d (or 2d) by skewing. The roll holder 1 (or 2) has a handle 1a
The brake drum 1f (or 2f) is provided on the side having (or 2a). The currently used original roll R1 located inside and the next used original roll R2 located outside are the inner brake device mounted on the side frame 71 of the device on each brake drum 1f or 2f. By 80 or the outer side brake device 90, a suitable rotation resistance is applied so that the slack does not occur in the paper feed during operation. In each of the brake devices 80 and 90, the parallel link 82 or 92 swings by the air cylinder device 81 or 91, and the brake shoe 83 or 93 supported by the parallel link 82 or 92 descends to come into close contact with the brake drum 1f or 2f. You can

The original roll changing device 10 has brackets 21 extending from the inside of the packaging machine to the outside of the rear in the vicinity of the inside of the left side frame 72 and the inside of the right side frame 71. A guide rail 11 is attached to the upper surface of 21. Each guide rail 11
The roll holder 2 is supported by both ends of the roll holder 2 that fits tightly into the groove formed in the shaft portion of the roll holder 2 that inserts and supports the original roll, which has a high outside and a low inward inclination. Can be rolled inward to a state.

Near the outer ends of the respective guide rails 11, there are provided three outer side rollers 12, 13, 14 capable of receiving the shaft portions at both ends of the roll holder 2 in a three-point supported state.
The two outer rollers 12 and 13 which are located on the outer side are provided on the upper portion of the bracket 21, and the outer roller 1 which is located on the innermost side.
4 is pivotally supported by the first movable member 15 which is swung by the air cylinder device 22. The innermost outer roller 14 is separated upward from the shaft of the roll holder 2 by the swing of the first movable member 15, allowing the roll holder 2 to transfer to the guide rail 11 and then returning. It is supposed to do. The first movable member 15 uses a doglegged lever and is fixed to the pivot shaft 23 so that the left and right can swing integrally. In this embodiment, in order to make the space occupied by the original roll changing device 10 as small and compact as possible, the timing of swinging the first movable member 15, that is, the outer roller 14 is separated upward. The time when the original fabric roll R2 is fed inward is different depending on whether the winding diameter of the added original fabric roll R2 is larger or smaller than the inner accommodation space. When it is large, the inward feed cannot be performed, the operation is started at the outer position as it is, and when the winding diameter becomes a required small value after a lapse of time, this is detected by the sensor 75 provided from the bracket 21. It is provided so as to feed the original roll R2 inward after the operation is automatically stopped again and the wrapping paper W1 is loosened due to the reverse rotation of the paper-rolling roll 30, and when it is small, the above-mentioned use is performed. Immediately after the completed roll holder 1 is automatically discharged, the paper roll 30 is reversed to loosen the wrapping paper W1, and then the original roll R2 is fed inward.

In the vicinity of the inner end of each guide rail 11, the roll holder 1 rolling on the guide rail 11 is fitted into grooves formed in the shafts at both ends of the roll holder 1 to provide a three-point support state. There are three inwardly acceptable rollers 16,17,18. The outer side roller 16 near the guide rail 11 and the upper side inner roller 17 are the side frame 71 or 72.
The inner side roller 18, which is pivotally supported by a shaft attached to the lower side, is pivotally supported by a second movable member 19 which is swung by an air cylinder device 24. The inner roller 18 near the lower inner side is separated rearward from the shaft portion of the roll holder 1 by the swinging of the second movable member 19 after the end of the paper splicing, thereby allowing the roll holder 1 to fall. It is supposed to come back. The left and right second movable members 19 are doglegged levers and are fixed to the pivot shaft 25 so that the left and right can swing integrally.

Below each of the guide rails 11, there is provided a pair of discharge guides 20 having the same spacing as the guide rails 11. The pair of discharge guides 20 have a U-shaped bay portion 20a at the outer end, a gentle slope portion 20b that is gradually inclined inwardly higher than the U-shaped bay portion 20a, and a rising portion 20c at the inner end. The shaft portion of the roll holder, which falls due to the backward movement of the inner roller, can be received in a supported state at both ends and discharged to the rear of the lower portion of the packaging machine.

Between the pair of first movable members 15 and 15, a pair of swing arms 77 are vertically provided from both ends of a boss 76 fitted on the pivot shaft 23, and guide rolls are provided at the lower ends of the pair of swing arms 77. 78 is pivotally supported at both ends, and the boss 76 is pressed and fixed by the pusher 79 to guide the guide roll 7
8 is fixed to the hanging position. The guide roll 78 guides the wrapping paper W1 at the hanging position, and when the original roll R2 is fed inward, the pusher 79 causes the boss 7 to move.
When the pressure of 6 is released, it is pushed by the original roll R2 and escapes so as to be lifted inward, allowing the inward movement of the original roll R2, then returning to the hanging position, and the boss 76 is pressed by the pusher 79. It is supposed to be fixed.

Next, the operation of the embodiment configured as described above will be described. When the feeding of the wrapping paper W1 from the in-use original roll R1 located inside is completed, the sensor 74 detects this and automatically stops the operation, and the automatic paper splicing device 60 removes it. In addition to adding the feeding end of the wrapping paper W2 from the original roll R2 to be used next time which has been set in advance, the brake of the inner side brake device 80 is released and the second movable member 19 is swung to inwardly. The side roller 18 is separated from the roll holder 1, and the roll holder 1 is dropped onto the discharge guide 20 and discharged. Then, when the winding diameter of the added original roll R2 is larger than the inner accommodation space, the outer side brake device 9 is kept at the set position.
When the brake is started by 0, the operation is started, and when the winding diameter becomes a required small value after a lapse of time, this is detected by the sensor 75 and the operation is automatically stopped again, and the paper feed roll 30 is reversed to adjust the paper feed. The length of the paper-rolling device 40 is reduced to allow the paper-rolling roll 30 and the automatic paper splicing device 60 to hang down, and then the brake of the outer side brake device 90 is released to move the first movable member 15. The outer side roller 14 is oscillated and separated from the roll holder 2, and the original roll R2 is fed inward by its own rolling. At this time, the original roll R2 is connected to the feed roll 30 and the automatic paper splicing device 60. The roll between the inner rollers 16 and 17 is rolled up to form the original roll of R1, and the operation is automatically started again. Further, when the winding diameter of the replenished original roll R2 is smaller than the inward accommodation space, immediately after the used roll holder 1 is automatically discharged, the paper feed roll 30 is reversed to be the paper feed roll 30. After having a descent with the automatic paper splicing device 60, the brake of the outer side braking device 90 is released, the first movable member 15 is swung, and the original roll R2 is fed inward and the original roll R1 is fed. As an anti-roll, the brake is applied by the inner brake device 80 and the operation is automatically started again.

FIG. 6 shows a bag-making filling and packaging machine according to the second embodiment. The left and right side frames 71 when viewed from the rear of the packaging machine,
72 has a large bay portion 71a, 72a formed therein.
The bracket 26 corresponding to the bracket 21 of the first embodiment is inserted in a, and the bracket 26 is fixedly coupled to the side frame 71 by the three U-shaped brackets 27, so that the roll holder bypass circuit 1 is provided around the bracket 26.
00 is formed, and the brake drums 1f and 2f of the roll holders 1 and 2 project to the outside of the right side frame 71. According to this configuration, the first movable member 15, the second movable member 19, the drive means for swinging these movable members, and the like are provided outside the side frame 71.

[0021]

As described above, in the vertical bag-making filling and packaging machine of the present invention, the original roll to be used next time is set at the rear part of the packaging machine, and after the splicing is completed, the inner position of the packaging machine is used. The original roll can be taken out from the bottom of the packaging machine after completing the paper splicing, and the added original roll can be fed inward.At that time, the original roll rotates in the winding direction. It is possible to avoid wasteful feeding of the wrapping paper.

[Brief description of drawings]

FIG. 1 is a side view of a main part of a bag making and packaging machine according to a first embodiment of the present invention, showing a state during operation before paper splicing.

FIG. 2 is a view on arrow II-II in FIG.

FIG. 3 is a side view of a main part of the same bag-making filling and packaging machine as in FIG. 1, showing a state after the operation is stopped and paper is spliced and before an outer material roll is fed inward.

FIG. 4 is a side view of a main part of the same bag-making filling and packaging machine as in FIG. 1, showing a state in which an inner roll holder is dropped and discharged after a paper splice, and an outer material roll is fed inward.

FIG. 5 is a front view showing a state in which an original fabric roll is chucked by a roll holder used in the bag-making filling and packaging machine according to the embodiment of the present invention.

FIG. 6 is a side view of a main part of the bag-making filling and packaging machine according to the second embodiment of the present invention, showing a state during operation before paper splicing.

[Explanation of symbols]

 R1, R2 original roll W1, W2 wrapping paper T adhesive tape 1,2 roll holder 10 original roll changing device 11 guide rails 12,13,14 outer roller 15 first movable member 16,17,18 inner side Roller 19 Second movable member 20 Ejection guide 30 Paper roll 40 Paper feed adjusting device 50 Former 60 Paper splicing device 71, 72 Side frame

Claims (1)

[Claims] 1. An outer roll roll that ejects an inner roll holder after paper splicing by a paper splicing device by detachably supporting the shaft portions of two roll holders that respectively insert and support the raw roll roll. Equipped with an original fabric roll exchanging device, which is attached to the original fabric roll exchanging device at the cut end of the wrapping paper fed from one original fabric roll attached to the original fabric exchanging device. The front end of the wrapping paper fed from the other original fabric roll can be added by an adhesive tape or welding above the original fabric roll changing device, and further, the paper provided on the downstream side of the addition position. The wrapping paper is fed by the feeding roll, and the wrapping paper is adjusted by the paper feed adjusting device between the paper feeding roll and the former. In the bag-making filling and packaging machine configured to guide the coated paper to the former, the original fabric roll exchanging device penetrates the original fabric roll on the left and right side frames by gradually increasing the front side to a lower level and gradually inwardly. A pair of left and right guide rails that can roll the roll holder inward when the shaft part of the roll holder to be inserted and supported is placed in a state of supporting both ends, and is mounted on the guide rails near the outer ends of each guide rail. There are at least two outer rollers that receive the shaft of the roll holder, and the outer roller that contacts the inner side of the outer roller is more inward than directly below the shaft of the roll holder. The side roller is pivotally attached to an appropriate first movable member, and near the inner end of each guide rail, the side roller receives a shaft portion of a roll holder that supports an original roll rolling on the guide rail. Accept at least two Inner side rollers are attached, and among these inner side rollers, the inner side roller that abuts more inward than directly below the shaft portion of the roll holder is pivoted to an appropriate second movable member. The left and right side frames are attached to the left and right side frames, and the shaft portion of the roll holder that falls from the inner end of the guide rail is supported at both ends, with the front side being low directly below the guide rail and gradually inwardly gradually increasing. The outer movable roller, which is provided with a pair of left and right discharge guides that can be received and discharged to the front side, abuts inward more than directly below the shaft of the roll holder, has the first movable member as the original roll. By swinging during inward feeding of the roll holder, the roll holder is separated from the shaft portion of the roll holder to allow the roll holder to roll onto the guide rail and then return, and at the same time, the shaft portion of the roll holder. of The inner roller, which comes in contact with the inner side of the lower side, is configured such that the second movable member swings after splicing the paper, is separated from the shaft portion of the roll holder, allows the roll holder to fall, and then returns. The bag making filling and packaging machine is characterized in that the paper feed roll is interlocked with the first movable member prior to the swinging movement of the first movable member to reverse the required number of revolutions.