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公开(公告)号：JPH0640416A
公开(公告)日：1994-02-15
申请号：JP18969092
申请日：1992-07-16
Applicant: KUBOTA KK
Inventor： IWAKAWA TAKASHI , YASUMATSU MAMORU , KANAI YOSHIHIDE , ITO TSUKASA
Abstract: PURPOSE:To prevent a packing sheet from moving due to inroads of air, by providing a protrusion, where the end of drawn packing sheet by a drawing means is superposed, in the packing table, in a packing method in which a packing article is fed from the upper side and enveloped with the contracted packing sheet. CONSTITUTION:A spherical packing article like a cabbage is dropped into the opening 2a formed on a packing table 2. A packing sheet 1 is contracted at the outer edge of the opening to envelop time article which is supported from the lower side by a vertically movable support bed. The packing sheet 1 is unfolded on the packing table 2 by the horizontal reciprocal motion of a drawing means 38 provided with a manipulating arm 41 to nip the end 1b thereof. When the packing sheet 1 is drawn to a specified position, the manipulation arm 41 does not hold the packing sheet 1. And in this time, the s[meet edge 1b is superposed on the protrusion 51 formed on the packing table 2. In this way, the packing sheet 1 does not move easily owing to the contact or friction of the protrusion 51 with the packing sheet 1.
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公开(公告)号：JPH05338609A
公开(公告)日：1993-12-21
申请号：JP14470192
申请日：1992-06-05
Applicant: KUBOTA KK
Inventor： YASUMATSU MAMORU , IWAKAWA TAKASHI
Abstract: PURPOSE:To improve working efficiency by a method wherein when a pair of holding members can not advance to a holding position, cutting of the upper part of a wrapping sheet and sealing of the wrapping sheet is not performed to allow an item to be packed to be delivered as it is from a supporting table. CONSTITUTION:When a supporting table provided with a limit switch 31 for sensing that an air cylinder 8 has contracted to a position, where first holding members 14, 15 are closed completely, has ceased to go down and the members 14, 15 are operated to a close side, a timer starts counting. If sensing signals have not delivered from the switch 31 until the counting of set time period finishes, it is judged that the members 14, 15 have not closed completely and cutting off by a disc cutter, blow-off by means of a jet nozzle, and application of adhesive tape are not performed, and the members 14, 15 are opened and the supporting table is turned down sideways to deliver an item to be packed onto a slide table, following which said table is raised to its original position to restore an initial state.
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公开(公告)号：JPH05201418A
公开(公告)日：1993-08-10
申请号：JP814092
申请日：1992-01-21
Applicant: KUBOTA KK
Inventor： IWAKAWA TAKASHI , YASUMATSU MAMORU
Abstract: PURPOSE:To eliminate the cause for impact sound when returning a support stand supporting a packaged article after packaging from its discharge position to a position for continuation of packaging work by making the support stand held in the work-continuation position by force of a spring for an apparatus with which the article to be packaged is thrown into an opening provided on a packaging table and is wrapped up in a packaging sheet that is gathered up. CONSTITUTION:A packaging sheet wound up in a roll is drawn out and is extended over a packaging table equipped with an opening to which a spherical artcile to be packaged is thrown in. Then the article to be packaged thrown in is wrapped up with the packaging sheet that is gathered up with a circumferential brim of the opening, and the article to be packaged is wrapped up further with the packaging sheet that is squeezed by a squeezing mechanism. The packaged article A is supported with a support stand 3, and is discharged to a collecting part 15 by tilting the support stand 3 to assume a position for discharging. The support stand 3 is so constructed that it can rock round a horizontal shaft center P2 of a support member 6, and a coil spring 10 is provided between a part adjoining the horizontal shaft center P2 and a part 10a corresponding to the horizontal shaft center. The support stand 3 is kept in its position for continuation of packaging work by energizing force produced by contraction of the coil spring 10.
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公开(公告)号：JPH05201411A
公开(公告)日：1993-08-10
申请号：JP30427392
申请日：1992-11-16
Applicant: KUBOTA KK
Inventor： YASUMATSU MAMORU , IWAKAWA TAKASHI
Abstract: PURPOSE:To improve workability of packaging by eliminating installation of an optical sensor or the like in a position obstructing an operator near a specified position on a packaging table for an apparatus with which an article to be packaged is dropped into an opening provided on the packaging table and is wrapped up in a packaging sheet with its four sides gathered up. CONSTITUTION:The end of a packaging sheet 1 wound up in a roll is caught with a drawing mechanism 58, and the packaging sheet 1 is drawn out by making the drawing mechanism move in reciprocation over a packaging table 2 equipped with an opening 2a to which a spherical article to be packaged is thrown in. The drawn-out packaging sheet 1 is cut at a specified position with a cutter 70. In cutting the packaging sheet, movement of the drawing mechanism 58 is controlled so that it can be stopped when an optical sensor 87 detects one of marks provided at specified intervals on the packaging sheet 1 in its longitudinal direction after starting of drawing-out of the packaging sheet 1 by the drawing mechanism 58. The drawing mechanism 58 is further controlled so that it can bring the packaging sheet 1 to a position (the position of the opening 2a) near the center by moving from the position of the aforementioned stoppage for a specified distance set in accordance with operation of a moving distance detecting means 88.
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公开(公告)号：JPH04339717A
公开(公告)日：1992-11-26
申请号：JP10782691
申请日：1991-05-14
Applicant: KUBOTA KK
Inventor： YASUMATSU MAMORU , IWAKAWA TAKASHI , KANAI YOSHIHIDE , ITO TSUKASA
Abstract: PURPOSE:To make it possible to perform bonding operation by an adhesive tape smoothly for a packaging device which is constituted in such a manner that after wrapping an article-to-be-packaged by operation of a plurality of wrapping tools using a packaging sheet, the wrapping is fixed by pasting with an adhesive tape at the last stage. CONSTITUTION:A plurality of wrapping tools, which cover a packaging sheet 1 on an article-to-be-packaged orderly and guide it, are provided, and at the same time, an air outlet 23 to blow out air which heads for the letting out direction along the surface of an adhesive tape (t) to be let out is provided in the vicinity of the letting out part of the adhesive tape (t) to paste the packaging sheet 1.
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Patent Agency Ranking
公开(公告)号：JPH04189709A
公开(公告)日：1992-07-08
申请号：JP31206990
申请日：1990-11-17
Applicant: KUBOTA KK
Inventor： IWAKAWA TAKASHI , YASUMATSU MAMORU
Abstract: PURPOSE:To improve workability of a packaging device by providing a means for detecting an object to be packaged to detect whether or not an object to be packaged has been supplied to a packaging means and starting operation of the packaging means when said detecting means detects an object to be packaged. CONSTITUTION:A packing sheet 1 is supplied onto a receiving table 8 and a limit switch detects said sheet. When an operator nuts an object to be packaged C on the table 8, the limit switch detects it and packaging operation is started at a packaging work unit B. And during said operation, a U-shaped arm 39 of a sheet feed device 2 holds one packing sheet 1 from a storage A. Further, the sheet 1 held by the arm 39 is fed onto the table 8 when the packaging operation has been finished. In order to change the size of sheet 1 during the operation, an interruption switch P1 is depressed to allow only the packaging operation to be performed.
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公开(公告)号：JPH04142225A
公开(公告)日：1992-05-15
申请号：JP26708890
申请日：1990-10-03
Applicant: KUBOTA KK
Inventor： YASUMATSU MAMORU , IWAKAWA TAKASHI , ITO TSUKASA , KANAI YOSHIHIDE
Abstract: PURPOSE:To improve finishing quality of wrapping sheet and adhesive tape free from curvature or wrinkles by stopping suction of air from a sucking nozzle just before bonding action to press down a wrapping sheet, while air is not being sucked. CONSTITUTION:While a sucking nozzle 31 is at an upper retracted position, a motor 33 is actuated so that the sucking nozzle 31 makes contact with the upper surface on the forward end of a wrapping sheet 1 to be attracted thereto by sucking force of air. When the sheet 1 is bent and deformed and negative pressure in a suction pipe 36 is detected, the motor 33 is stopped and turned reversely and the nozzle 31, in a sucking state, moves upward. A chain motor 32 is actuated to transfer the sheet 1 to a specified position of a work area B. Next, the nozzle 31 is lowered to bond the sheet 1 to an adhesive tape 5. Just before the bonding of the tape 5, suction of air for the nozzle 31 is stopped and the nozzle 31 on one side, while air is not being sucked, presses against the upper surface of the sheet 1, where the tape is bonded, while suction of air for positioning the tape 5 is stopped.
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公开(公告)号：JPH04142223A
公开(公告)日：1992-05-15
申请号：JP26235390
申请日：1990-09-28
Applicant: KUBOTA KK
Inventor： YASUMATSU MAMORU , IWAKAWA TAKASHI , ITO TSUKASA
Abstract: PURPOSE:To surely feed wrapping sheets one by one by a simple modification of construction by applying a sucking nozzle of a sucking transfer device to the end of a wrapping sheet to move said nozzle upwardly and thereafter moving said nozzle horizontally toward the center of the sheet by means of a moving means. CONSTITUTION:When a sucking nozzle 31 is at an upper retracted location, a motor 33 is actuated to cause the nozzle 31 to make contact with the upper surface on the front side of a wrapping sheet 1 so as to be fixed to said surface by a sucking force. Negative pressure in a sucking pipe 36 is detected by a pressure sensor and the motor 33 is stopped. After the motor 33 has turned reversely slightly to raise the nozzle 31 a little in a sucking state, a motor for chain is driven to swiftly move the nozzle by a certain distance toward the center of the sheet on the rear side. By imparting vertically reciprocating motion to the nozzle 31 at constant pitches to surely suck the wrapping sheets one by one, the nozzle largely moves forwardly to feed the sheets to a packaging station B.
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公开(公告)号：JPH04142222A
公开(公告)日：1992-05-15
申请号：JP26708990
申请日：1990-10-03
Applicant: KUBOTA KK
Inventor： IWAKAWA TAKASHI , YASUMATSU MAMORU
Abstract: PURPOSE:To reduce operational miss and provide a device having excellent operability and high work efficiency by indicating a start command by an indicating means, actuating a packaging means when a packaging sheet feed detecting means detects that a feed has been made and actuating a packaging sheet feed means when said detecting means detects that a feed has not been made. CONSTITUTION:Limit switches S1-S14, 61a, 61b are connected to a control device HH utilizing a microcomputer. Whether or not sheets are being fed is judged based on the detected information of a higher rank limit switch S12 of a holding mechanism 3. When the switch S12 is in OFF state, it is judged that sheets are being fed. In a sheet feed state, wherein wrapping sheets 1 are being fed onto a receiver 8, after an operator has put an item to be packaged on the receiver 8, a start switch S0 is depressed. And then packaging operation is started at a packaging station B. However, when the operation is started, sheets are not being fed, so that sheet preparing operation and sheet feed operation at a sheet feed device 2 is performed to provide a sheet feed state. By depressing the switch S0 again, operations including packaging are performed.
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公开(公告)号：JPH04142210A
公开(公告)日：1992-05-15
申请号：JP26235290
申请日：1990-09-28
Applicant: KUBOTA KK
Inventor： IWAKAWA TAKASHI , YASUMATSU MAMORU
Abstract: PURPOSE:To improve working efficiency by a method wherein timing for driving of each of devices is set rationally without accelerating operating speeds of each of wrapping apparatuses and a pressing device. CONSTITUTION:A first wrapping apparatus 17a and a second wrapping apparatus 17b fold the side end of a wrapping sheet 1 with an object C to be wrapped kept in holding. A third wrapping apparatus 17c folds another side end of the wrapping sheet over the already folded side end while the same is being pressed by the second wrapping apparatus 17b, and stops the wrapping motion at a specified position over the center of the object C. A pressing device 7 is set in a timing so that the said device starts lowering motion for pressing while the third wrapping apparatus 17c is still working. At the same time when the third wrapping apparatus 17c reaches a specified position, guide rollers 22 attached to the second wrapping apparatus 17b separate from the object C and the third wrapping apparatus 17c starts to retreat in approximately simultaneous timing therewith. With a little difference in timing, the second wrapping apparatus 17b follows in retreating, leaving the pressing device 7 kept in pressing operation. After this, a fourth wrapping apparatus 17d is engaged in guiding of the sheet as well as in sticking of an adhesive tape 5 to the wrapped object. Then the pressing device 7 moves to the third and the fourth processes and releases the wrapped object C to the outside.
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