US3733070A - Floating jogger - Google Patents

Floating jogger Download PDF

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Publication number
US3733070A
US3733070A US00228032A US3733070DA US3733070A US 3733070 A US3733070 A US 3733070A US 00228032 A US00228032 A US 00228032A US 3733070D A US3733070D A US 3733070DA US 3733070 A US3733070 A US 3733070A
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Prior art keywords
jogger
floating
paddle
skid
paddle element
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Expired - Lifetime
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US00228032A
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English (en)
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D Obenshain
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Westvaco Corp
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Westvaco Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles

Definitions

  • ABSTRACT A paper jogging device is presented for stacking sheets of paper or the like into precise alignment as the sheets are piled directly onto a shipping skid.
  • the device comprises an oscillating paddle, arranged in substantially a vertical plane, that is pivoted at its bottom edge through a flexible hinge element to a moreor-less horizontally disposed hinge plate.
  • the hinge plate rests on and stays in contact with the shipping skid during the initial stages of the stacking operation, and the entire device is mounted so as to float downward with the shipping skid as the stacking operation continues and until the stack reaches a height that is near the top of the oscillating paddle.
  • the jogging device reaches the level of its lowest downward movement, jogging action continues as the stack increases in height and the shipping skid continues to move downward.
  • FIG. 1 A first figure.
  • FIG. 1 A first figure.
  • the present invention relates to novel improvements in an attachment for a sheet cutting and stacking apparat us, and more particularly to a paper stacking device which is adapted to receive the cut sheets as they are discharged from the sheet cutting apparatus.
  • the device of the present invention aids in stacking the cut sheets directly onto a shipping skid and includes provisions for receiving a great number of the cut sheets while insuring that the sheets remain evenly stacked prior to removing the shipping skid from the sheet cutting apparatus. Accordingly, it is a specific object of the present invention to provide, adjacent to a receiving skid for out sheets of paper or the like, an improved floating jogger which permits the sheets stacked on the receivingskid to be immediately wrapped and prepared for shipment without the necessity of performing subsequent operations on the sheets.
  • Another object of the invention lies in the provision of means associated with the jogging device which permits a limited, automatic vertical movement of the jogging device as the stack of cut sheets being deposited on the shipping skid grows in height.
  • a still further object of the present invention is the provision of a device that is simple in construction so that it may be quickly and readily placed into position adjacent the sheet receiving end of a sheet cutting and stacking apparatus.
  • the present invention is designed to provide a reliable and relatively inexpensive mechanically operating, electrically actuated, jogging device for stacking sheets of cut paper in a neat and even pile on a shipping skid.
  • the unit requires very little power to operate and is adapted to impart a sufficient rate of actuation to the jogging paddle to maintain the cut sheets in precise alignment with only a limited amount of pivotal movement of the paddle.
  • the device is primarily intended for use with a paper sheeting operation, however, it should be obvious that the apparatus of the'present invention would be capable of use on any other kind of sheeting operation including a printing press.
  • the cut sheets of paper are not stacked directly onto a shipping skid because generally the sheets are cut to oversize dimensions and later guillotine trimmed to the desired size.
  • the shipping skids are made larger all around, and, this requirement effectively prohibits the positioning of a shipping skid directly between the fixed paper joggers used in the prior art.
  • the sheets are initially stacked on a temporary shipping skid the same size as the cut sheets, and then, after guillotine trimming to the desired size, transferred to a shipping skid of overall larger dimensions.
  • the invention described herein includes, among its unique characteristics, the following novel features, 1 the provision of a jogging paddle pivoted at its bottom edge, (2) the use of an infinitely flexible, yet extremely durable hinge element between the jogger paddle and its hinge plate, and (3) the provision of a mounting means for the joggerpaddle and its actuating mechanism which permits the jogger paddle to rest on the shipping skid when the stacking operation begins, and then continue to automatically float with the shipping 'skid for a limited distance during the initial stages of the stacking operation, or, until the stack reaches a height that is near the top of the oscillating jogger paddle.
  • FIG. 4 is a view similar to FIG. 2 showing the side floating joggers following a shipping skid downward as the stack of cut sheets is building up;
  • FIG. 5 is a view similar to FIGS. 2 and 4 showing the side floating joggers at the bottom of their limited amount of vertical travel;
  • FIG. 6 is a view similar to FIGS. 2, 4 and 5 showing the stack of cut sheets continuing to build up with the side floating joggers at the bottom limit of their vertical travel;
  • FIG. 7 is a top view of the mounting means for one of the floating joggers showing the eccentric device which actuates the jogger paddle;
  • FIG. 8 is a front view taken along lines 88 in FIG. 7 showing the floating mounting means for the jogger paddle actuation mechanism
  • FIG. 9 is a side view taken along lines 9-9 of FIG. 8, but with the jogger paddle attached, showing the jogger paddle actuating mechanism;
  • FIG. 10 is an enlarged partial cross section showing the hinge connection between the jogger paddle and the hinge plate.
  • a preferred embodiment of the floating jogging device includes a rigid frame having a pair of cylindrical elements mounted thereon, which in turn slidably receive a pair of rods having fixed thereto the actuation mechanism, including the jogger paddle, for carrying out the desired results, i.e., precisely aligning a stack of cut sheets directly onto a shipping skid.
  • the desired results i.e., precisely aligning a stack of cut sheets directly onto a shipping skid.
  • a preferred requirement of the present invention lies in the provision of three such floating joggers on the sides and back of a stack of cut sheets for the purpose of achieving the desired results.
  • FIG. 1 illustrates the preferred application of the novel floating joggers of the present invention wherein there is shown a skid lift platform with a shipping skid 11 resting thereon.
  • the stacked sheets are indicated at 12 with three floating jogger devices 13, 14 and 15 arranged at the back and two sides of the stack.
  • a non-floating jogger 16 is illustrated at the front of the stack where the sheets 17 and 18 are shown to be coming onto the stack 12. Since the cut sheets 17 and 18, for example, arrive at the stack 12 substantially at the existing stack level, a floating jogger cannot be employed at the front of the stack. However, it has been found that a floating jogger is not required at the front of the stack when sheeting paper with applicants prior patented sheet cutting and stacking apparatus.
  • skid 11 since a floating jogger is not used at the front of the stack 12, nor can the skid 11 project in front of the stacked sheets. To account for this hiatus, the skid 11 is shown as projecting beyond the rear end of the stack 12 a distance equal to twice the normal amount of that distance left at each side of the stack. Thus, for the preferred embodiment, after the stack is finished and removed from the stacking mechanism, the skid 11 is driven under the stack 12 by means of hammer blows on the projecting rear end of the skid 11.
  • the result of the realignment of the skid 1 1 with respect to the stack 12 is to insure that the amount of skid 11 which projects from the stack 12 at each of the four sides thereof will be uniform. However, as noted before, the projection of the skid 11 at each side of the stack 12 should be correct from the beginning.
  • FIG. 2 shows how the'two side joggers l4 and 15 rest on the shipping skid 11 when the stack of cut sheets is started.
  • the rear end jogger 13 would rest on the shipping skid 11 in a similar manner, but with twice the normal skid projection as set forth above.
  • the two side joggers 14, 15 are each mounted on rod like elements 20 which are slidably received in cylindrical guide housings 21 that are in turn mounted to fixed side rails 22.
  • the two fixed side rails 22 are mounted adjacent the area in which the skid lift platform 10 is positioned.
  • the skid lift platform 10 is hydraulically actuated in accordance with the delivery rate of the sheeter stacker apparatus (not shown) to move downwardly to accept the cut sheets as the stack 12 grows in height.
  • FIGS. 4-6 illustrate the relative movement of the skid lift platform 10 as the sheet delivery and stacking continues.
  • FIG. 3 shows an enlarged detailed view of how the wrapper 30 for the stack 12, including the paperboard liner 31, are positioned on the shipping skid 11.
  • the wrapper 30 and liner 31 are placed in position on the skid 11 prior to starting the sheeting operation.
  • the skid lift platform is raised into contact with the floating jogger devices 13, 14 and 15, and, finally raised an additional amount to move the jogging devices to their uppermost position as shown in FIG. 2.
  • the skid 11 is repositioned under the stack 12 as explained hereinbefore, and, the wrapper 30 is folded up and around the stack in the final skid wrapping operation.
  • FIG. 4 illustrates how the jogger devices 14 and 15 float downwardly as the stack 12 builds up, and, as the skid lift platform 10 is lowered to keep the stacking level constant.
  • FIG. 5 shows the jogger devices 14 and 15 at the lower limit of their prescribed amount of vertical travel.
  • FIG. 6 illustrates how the stacking operation is continued with the joggers l4 and 15 remaining at their lowest level. It was found that the joggers were only effective in the first several inches of the stack. Thus, as the stack 12 grows in height, and the weight of the stacked sheets forces the air out from between the sheets, the stack 12 becomes stabilized and resists further shifting on its own. However, to insure that no subsequent shifting of the stacked sheets does occur, the jogger devices 13, 14 and 15 are provided with sufficient vertical movement to give a safety factor to the operation. In addition, to assure that the stack starts in precise alignment and remains precisely aligned, the jogger paddles 40 are carefully adjusted so that as they each pivot forward about their lower hinged connection, their extreme forward movement ends in exactly a vertical plane.
  • the jogger paddles 40 act to define very precisely the edges of the stack while insuring that the edges of the stack remain precise until the sheets become firmly stabilized on the stack.
  • the resulting stacks of sheeted paper have thus become known for their superior quality and appearance.
  • novel floating jogger devices disclosed herein are not limited to use on shipping skids Obviously the joggers could be arranged adjacent oversized skids for subsequent in-plant operation. Moreover, by using the novel floating joggers described, a limited number of skid sizes could easily be used to handle a large number of different sheet sizes.
  • a plastic hinge 42 made from polypropylene was chosen for the purpose of pivotally connecting the jogger paddles 40 to their hinge plates 41.
  • the hinge material selected was 1 inches wide and approximately three-thirty-two of an inch thick, with a thinner portion at three thirty-seconds center where the hinge would pivot or bend. It was found that the polypropylene hinge just described had unusually good fatigue properties, permitting millions of flexures before failing, and moreover, the hinge satisfied the requirement of providing a connection between the jogger paddle 40 and the hinge plate 41 that would permit pivotal movement while limiting unwanted deflections to a minimum.
  • FIG. 3 and also FIG. show the preferred hinge connection in detail.
  • both the lower end of the jogger paddle 40 and the outer end of the hinge plate 41 are each machined as shown to accept the plastic hinge element 42.
  • a pair of hinge clamps 43 are positioned tohold the hinge element 42 against the jogger paddle 40, and hinge plate 41, and the hinge element 42 is then firmly clamped in place by means of screws 44. It was found that a more than satisfactory arrangement could be achieved by spacing the screws 44 at approximately 1% inch centers along the hinge clamps 43 without weakening the hinge element 42.
  • Another bonus achieved with the above described configuration was the fact that the hinge element 42 could be replaced easily and quickly when failure did occur. No holes were required in the hinge element itself, and the desired length of hinge material could be cut from a coil of hinge material on hand and inserted in the clamps before retightening the screws.
  • FIG. 7 shows an example of one scheme for mounting a floating jogger on the side frame provided therefor.
  • the mounting means illustrated in FIG. 7 represents a construction that may be used with the jogger paddle drive mechanism 50 fixed to the top of a floating platform and should not be considered as limiting as regards the type of mounting means preferred. It has been found that each installation must be more-or-less tailored for the particular apparatus to which the jogger is applied. Hence FIG. 7 shows rather schematically a top view of a typical installation.
  • the jogger paddle 40 is shown as being connected to an eccentric drive device 51 by a connecting link 52.
  • One end of the eccentric device 51 has a slot for receiving the end of the connecting link 52 with two screws 53 located therein for closing the slot to firmly grip the end of the connecting link.
  • the outer end of the connecting link 52 is attached to the jogger paddle 40 by means of a clamp 54 and two screws 55.
  • bearing adjustments are provided at 56 between the clamp 54 and the connecting link 52 to permit adjustment of the jogger paddle 40 to exactly vertical plane in its most extended position.
  • the eccentric shaft 45 has integral therewith-a circular land 46, larger than the shaft 45 and with its center offset one-sixteenth inch. This arrangement gives approximately a 5/32 inch pivotal movement of the top edge of the jogger paddle 40 during operation of the device. In tests run with the arrangement disclosed herein, motions of from one-eighth to one-fourth inch were found to be satisfactory for efficient jogging action.
  • On the circular land 46 there is an inner race of a roller bearing press fitted thereto with the roller bearing fitted into the eccentric 51 and held in place by snap rings at either side.
  • the eccentric 51 has mounted therein a grease fitting for lubrication purposes.
  • a ball bearing pillow block 47 for supporting the eccentric shaft 45 and at one end of the eccentric shaft 45 there is atiming belt pulley 48 through which a timing belt 49.is passed from the driving motor 60.
  • the upper bracket 57 is in turn attached to the two rod like elements 20 and move with the rod like elements within the before mentioned cylindrical housings 21. Further, as shown in FIG. 7, and in other figures, the cylindrical housings 21 are attached to the rigid side rails 22 by brackets 23 at each side thereof.
  • FIG. 8 is a front view of one of the floating jogger devices with the jogger paddle removed, but, illustrated by dotted lines.
  • the cylindrical slide housings 21 are shown in cross section and comprise an outer housing spaced from the rod like elements 20 by a plurality of bearings 24.
  • the bearings 24 are press fitted into the outer housings and are separated from one another by spacer rings with grease seals located at each end.
  • the grease seals are preferably made over size and when press fitted into the housings, hold the bearings in place.
  • the housings 21 are of a different length at each side of the mechanism.
  • the difference in size of the two housings was chosen to more readily accommodate the vertical movement of the shafts 20 within the cylindrical housings 21. It was found that if the cylindrical housings 21 were made of equal size at each side of a jogger device, the vertical movement thereof sometimes became erratic when the jogger devices were following the skid platform 10. This malfunction was traced to the slight variation in spacing and alignment of the rods 20, which could be expected in assemblies of this type. However, to remove the possibility of such malfunctions, it was discovered that a smooth and predictable vertical movement could be assured by simply making one of the housings 21 of a length different than the first.
  • FIG. 8 also shows the motor mounting scheme that was found to be suitable for the particular embodiment disclosed herein. It is to be remembered, of course, that the illustrated embodiment should not be considered limiting to the present invention since a custom built installation is required in almost every environment.
  • the motor 60 for driving the eccentric shaft and eccentric 51 is shown as being mounted on a motor mounting bracket 61 with screws 62.
  • the motor bracket 61 is in turn attached to the upper platform 57 by vertical members 63.
  • the entire installation is made more rigid by attaching the upper platform 57 to a lower plat- A form 58 through a connection at the lower end of the rods 20.
  • a typical motor installation that was found to be adequate for the present invention was a standard 1/15 horsepower, 1,725 rpm AC. motor. Mounted on the motor at one end thereof is a 12-tooth timing belt pulley 64, and through a timing belt 49, a 26-tooth pulley 48 is attached to the eccentric drive shaft 45. This arrangement gives the eccentric drive shaft 45 a speed of 796 rpm thereby yielding an adequate jogging action to the stack. Additional tests of the jogger devices disclosed herein illustrated that satisfactory jogging action could be obtained at from 500 to 1,000 oscillations per minute of the jogger paddle 40, with around 800 oscillations per minute being optimum.
  • FIG. 8 also shows the mounting brackets 23 provided between the cylindrical slide housings 21 and the jogger side rail 22. Only a schematic showing is illustrated however, since the particular mounting means chosen would vary from installation to installation. Obviously, however, the cylindrical slide housings 21 should be of a type exhibiting very low friction as set forth hereinbefore, to permit free and easy movement of the slide rods 20 therethrough. On the other hand, the arrangement and location of the side rails 22 and the cylindrical slide housings 21 should be such as to hold the slid-' ing mechanism firmly in all lateral directions. This latter requirement is imperative for the precise stacking ability demonstrated by the novel jogging device described herein.
  • the side rail 22 extends the full length of the jogger mechanism and supports near each end thereof the slide housings 21 on the arms 23.
  • the jogger hinge plate 65 is attached to the motor support element 61 by means of several screws, with precise alignment provided by a key element (not shown).
  • a key element not shown
  • Spare paddle assemblies can be kept in stock so that in case of a hinge failure, a new paddle assembly can be installed quickly and with a minimum of machine down time.
  • hinges as described herein have been found to last 6 months or longer when in operation 24 hours a day.
  • the jogger supporting structure comprises the top platform 57, the bottom platform 58, the end plates 63 and the motor support plate 61. These are each mortised as shown and held in position by socket head screws.
  • the material is preferably aluminum plate to minimize weight, but other materials of fabrication could be used as desired to suit the particular installatron.
  • the jogger paddle 40 is preferably made of aluminum and may be cast or fabricated from aluminum plate.
  • the jogger paddle 40 must be stiff and very straight.
  • aluminum is chosen as the preferred material of construction in order to minimize load on the motor 60 and eccentric mechanism. Further, when aluminum is used, the surface contacting the paper is preferably anodized to prevent wear.
  • a floating jogger device for precisely aligning cut sheets of material on a stack comprising:
  • ajogger paddle element pivoted at its bottom edge to a hinge plate
  • a device for precisely aligning cut sheets of material directly on a shipping skid comprising a plurality of floating jogger devices positioned at the sides and the back of said shipping skid, said jogger devices each further comprising:
  • a jogger paddle element pivoted at its bottom edge to a hinge plate resting on said shipping skid;
  • a floating jogger device comprising:
  • ajogger paddle element pivotally connected at the bottom edge thereof to a hinge plate, said pivotal connection comprising a length of infinitely flexible hinge material fixedly attached to both the jogger paddle element and the said hinge plate;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
US00228032A 1972-02-22 1972-02-22 Floating jogger Expired - Lifetime US3733070A (en)

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US22803272A 1972-02-22 1972-02-22

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US00228032A Expired - Lifetime US3733070A (en) 1972-02-22 1972-02-22 Floating jogger

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US (1) US3733070A (de)
JP (1) JPS517903B2 (de)
CA (1) CA1002976A (de)
DE (1) DE2307224C3 (de)
FR (1) FR2173548A5 (de)
GB (1) GB1397872A (de)
IT (1) IT977382B (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923299A (en) * 1973-10-03 1975-12-02 Ruel E Taylor Method and apparatus for forming an even edged pile of flexible sheets
US3982751A (en) * 1975-09-16 1976-09-28 Westvaco Corporation Parallel action jogger
US4318541A (en) * 1979-02-01 1982-03-09 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Devices for the lateral alignment of sheets
US4477218A (en) * 1982-03-08 1984-10-16 The Mead Corporation Offset stacker and method
US4867436A (en) * 1985-07-02 1989-09-19 Minolta Camera Kabushiki Kaisha Sheet aligning arrangement
US5188353A (en) * 1990-08-17 1993-02-23 Xerox Corporation Disk stacker including tamping mechanism capable of cross-direction offsetting
US5197849A (en) * 1990-01-03 1993-03-30 System Gmbh Stack squaring device
US5713566A (en) * 1995-11-13 1998-02-03 Gradco (Japan) Ltd. Alignment means and fixed stapler
US5901954A (en) * 1996-10-11 1999-05-11 Eastman Kodak Company Apparatus for the alignment of stacked sheets to be deposited superimposed
US6293543B1 (en) * 1999-01-26 2001-09-25 Gradco (Japan) Ltd. Universal sheet receiver for stackers
CN1086163C (zh) * 1999-09-30 2002-06-12 燕山大学 六自由度并联解耦结构微动机器人
US20040026846A1 (en) * 2002-08-07 2004-02-12 Hitachi Printing Solutions, Ltd. Paper treating unit and image forming system using the same
US20040070140A1 (en) * 2002-05-27 2004-04-15 Heinz Michels Method and device for stacking materials in sheet form with aligned lateral edges
US20080230984A1 (en) * 2007-03-23 2008-09-25 Fujifilm Corporation Sheet material stacking apparatus and method of stacking sheet material
CN101269762B (zh) * 2007-03-23 2011-07-20 富士胶片株式会社 片材堆叠装置和堆叠片材的方法
CN106697409A (zh) * 2017-03-15 2017-05-24 徐佳敏 一种袋装货物用叠装生产线的叠装载台

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110155788A (zh) * 2019-06-18 2019-08-23 四川卡库机器人科技有限公司 分隔堆叠整理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2341021A (en) * 1941-11-17 1944-02-08 Addressograph Multigraph Jogging device
US3022999A (en) * 1959-05-25 1962-02-27 Lamb Grays Harbor Co Inc Spring loaded pivoted forward stop for paper stacking mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2341021A (en) * 1941-11-17 1944-02-08 Addressograph Multigraph Jogging device
US3022999A (en) * 1959-05-25 1962-02-27 Lamb Grays Harbor Co Inc Spring loaded pivoted forward stop for paper stacking mechanism

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923299A (en) * 1973-10-03 1975-12-02 Ruel E Taylor Method and apparatus for forming an even edged pile of flexible sheets
US3982751A (en) * 1975-09-16 1976-09-28 Westvaco Corporation Parallel action jogger
US4318541A (en) * 1979-02-01 1982-03-09 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Devices for the lateral alignment of sheets
US4477218A (en) * 1982-03-08 1984-10-16 The Mead Corporation Offset stacker and method
US4867436A (en) * 1985-07-02 1989-09-19 Minolta Camera Kabushiki Kaisha Sheet aligning arrangement
US5197849A (en) * 1990-01-03 1993-03-30 System Gmbh Stack squaring device
US5188353A (en) * 1990-08-17 1993-02-23 Xerox Corporation Disk stacker including tamping mechanism capable of cross-direction offsetting
US5713566A (en) * 1995-11-13 1998-02-03 Gradco (Japan) Ltd. Alignment means and fixed stapler
US5901954A (en) * 1996-10-11 1999-05-11 Eastman Kodak Company Apparatus for the alignment of stacked sheets to be deposited superimposed
US6293543B1 (en) * 1999-01-26 2001-09-25 Gradco (Japan) Ltd. Universal sheet receiver for stackers
CN1086163C (zh) * 1999-09-30 2002-06-12 燕山大学 六自由度并联解耦结构微动机器人
US20040070140A1 (en) * 2002-05-27 2004-04-15 Heinz Michels Method and device for stacking materials in sheet form with aligned lateral edges
US20040026846A1 (en) * 2002-08-07 2004-02-12 Hitachi Printing Solutions, Ltd. Paper treating unit and image forming system using the same
US7017901B2 (en) * 2002-08-07 2006-03-28 Ricoh Printing Systems, Ltd. Paper treating unit and image forming system using the same
US20080230984A1 (en) * 2007-03-23 2008-09-25 Fujifilm Corporation Sheet material stacking apparatus and method of stacking sheet material
CN101269762B (zh) * 2007-03-23 2011-07-20 富士胶片株式会社 片材堆叠装置和堆叠片材的方法
CN106697409A (zh) * 2017-03-15 2017-05-24 徐佳敏 一种袋装货物用叠装生产线的叠装载台
CN106697409B (zh) * 2017-03-15 2022-06-28 徐熠辰 一种袋装货物用叠装生产线的叠装载台

Also Published As

Publication number Publication date
IT977382B (it) 1974-09-10
JPS517903B2 (de) 1976-03-11
FR2173548A5 (de) 1973-10-05
DE2307224C3 (de) 1980-07-03
CA1002976A (en) 1977-01-04
DE2307224A1 (de) 1973-09-06
DE2307224B2 (de) 1975-02-27
GB1397872A (en) 1975-06-18
JPS4894162A (de) 1973-12-04

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