CA1213960A - Computer controlled labelling machine - Google Patents

Computer controlled labelling machine

Info

Publication number
CA1213960A
CA1213960A CA000440951A CA440951A CA1213960A CA 1213960 A CA1213960 A CA 1213960A CA 000440951 A CA000440951 A CA 000440951A CA 440951 A CA440951 A CA 440951A CA 1213960 A CA1213960 A CA 1213960A
Authority
CA
Canada
Prior art keywords
data processing
labels
labelling machine
digital data
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000440951A
Other languages
French (fr)
Inventor
Wolfgang Hoffmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
B & H Manufacturing Co
Original Assignee
B & H Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by B & H Manufacturing Co filed Critical B & H Manufacturing Co
Application granted granted Critical
Publication of CA1213960A publication Critical patent/CA1213960A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/08Label feeding
    • B65C9/18Label feeding from strips, e.g. from rolls
    • B65C9/1865Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65CLABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00Details of labelling machines or apparatus
    • B65C9/40Controls; Safety devices
    • B65C9/42Label feed control
    • B65C9/44Label feed control by special means responsive to marks on labels or articles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/525Operation controlled by detector means responsive to work
    • Y10T83/541Actuation of tool controlled in response to work-sensing means
    • Y10T83/543Sensing means responsive to work indicium or irregularity

Abstract

ABSTRACT OF THE DISCLOSURE

A system (50) includes a labelling machine (52) and a digital data processing system (54) connected to the labelling machine (52). A cutter (56) of the labelling machine (52) has a shaft (58) with a mark (60), which is sensed by a sensor (62). The sensor (62) supplies shaft (58) information on line (3) to digital data processing system (54). The digital data processing system (54) supplies control signals on line (64) to feed roll (66)stepper motor (67). The digital data proces-sing means (54) is also connected to an optical sensor (76) by line (78). The optical sensor (76) senses the position of position mark (74) on the labels (70), which is correlated with the position of shaft (58) in order to feed the labels (70) to the cutter (56) at the proper rate so that the labels (70) are always cut at the kerf (72) between each label (70).

Description

¢~

"COMPUTER CONTROLLED LABELLING ~ACHINE"

BACKGROUND OF THE INVENTION
1. Field of the Invention This invention relates to a labelling machine which is controlled by a digital da-ta processing system.
More particularly, it relates to such a system in which mechanical camming mechanisms and similar components oE
a conventional labelling machine are replaced by electronic controls embodiea in a digital data processing system connected to control tuning, feed and related operations of a labelling machine oE the type which is able to a~pply labels of various sizes to packaging containers of various sizes.
2. Description of the Prior Art -In conventional machines used to apply different size labels to different size cans, glass bottles, boxes or other packaging containers, timing marks, cams, gears and similar interconnected mechanical elements are employed to assure that the containers and labels are supplied to the machine in an orderly fashion and syncronously with respect to each other so that a single label is uniformly placed in a desired location on the container. Some control functions ch/~
X

f labelling mac~ines have also been implernented with digital circui-ts, including microprocessors.
It is a]so known in-the priorart to replace various mechan:ical timing devices in comple~ machlnes, such as internal combustion engi.ne~ with digital electronics. Many such timing mechanisms have been replaced in automobile engines through the use of digital data processi;;lg circuits embodied in microproces-sor integrated circuits, in combination with various electronic and electromechanical sensing circuits.
However, labelling machines are very complex devices with many unique pro~lems. Hith.erto, it has not been known in the art to replace the mechanical control systems for main dxive shafts used i.n labelling machines with digital data processing and elec-trical sensing circuits~ Examples of such labelling machines are described, for example, in the following commonly assigned issued patents: U.S. 3,765,991; 4,108,709;
4,181,555; 4,188,843; 4,24.,167; 4,336,095 and Canadian 1,087,137.
SUMMARY OF THE INVENTION
Accordingly, i-t is an object of this invention to adapt digital data processing technology -to a labelling machine.
It is another object of the invention to provide a digital data processing system in which eiectrical circuits are utilized to provide inputs representing positions and o-ther information about the various components of a labelling machine and the labels and cont~iners passing through the machine:

cw/~t~ - 2 -It is another objec' of the invention to provide such a labelling machine system for continuous roll label feeding.
I-t is still another object of the invention to provide a labelling machine in which labels are continuously fed as lony as there are containers being fed through the machine to receive labels.
It is yet another object of the invention -to provide a labelling machine in which labels are continuously fed as long as there are containers being fed through the machine to receive labels.
It is yet another object of the invention to provide such a labelling machine which is responsive ~o scanning marks placed on the kerf areas of labels as an aid in position-ing the label properly with respect to a container.
The attainment of the foregoing and related objects may be achieved through use of the novel labelling machine and labelling machine system herein disclosed. The system of this invention includes a labelling machine and digital data processing means operatively coupled to the labelling machine.
At least one sensing circuit is connected to supply input signals obtained from an operation of the labelling machine as an input to the digital data processing means. In a pre-ferred form of the invention, a stepping motor used to advance the label in the machine is directed by a program in the digital data processing means to advance the label. The stepper motor is directed by the program to make a predetermined number of steps per machine cycle or per container. An encoder is also preferably connected to the data processing means so that a rate of the stepping motor is supplied as an input to the digital data processing means. The digital data processing means is also preferably connected to allow a user of the system to enter a particular label length as an input. The program of the digital data processing means then receives the other parameters supplied by the sensing circuits and operates the labelling machine to feed that size label to containers passing through the machine. The ability of the user to select any desired label length and have the machine operate properly for that length label without any mechanical adjustments to the labelling machine means that changing labels in the labelling machine is reduced from an operation taking 30 minutes or so to about 30 seconds.
The attainment of the foregoing and rela-ted objects, advantages and features of the invention should `oe more readily apparent to those s~;:ille~ in the a~t, a~ter review of the following more-detailed description of the invention, taken toge-ther wi-th the drawings, in which:

B _ F DESCRIPTION OF THE DRAWINCS

Figure 1 is a block diagram of a computer controlled labelling machine in accordarce with the invention.
E'igure 2 is a plan view oi a portion Gf the system shown in Figure 1.

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~ 3~

DET~ILED DESC~IPTION OF THE INVENTION

Turnins now to the dra~ings, more par-ticularly to Figure l~there is shown a system 50 in accordance with the invention. The system 50 includes a labelling machine 52 and a digital data processing system 54. The digital data processing system 54 is implemented in this embodiment with a Gould Modicon-P190/484, although i-t should be understood that -the digital data processing system 54 could be implemen-ted ~ith any one of a large number of commercially available control oriented data processing systems which, for e~ample, utilize commercially available microprocessor integrate~
circuits, such as an Intel*8086, Intel*8088, Motorola*68 Fairchild*9445, National* Semiconductor 16000, or the like, to form the processing unit of such con-trol oriented data processing systems.
The labelling machine 52 includes a cut-ter 56 having a shaft 58 including a mark 60, which is sensed by an encoder 62, which supplies shaft 58 position and rotation rate data signals as inputs to the digital data processing system 54 on line 63, through an interface 65. The encoder 62 could be re-placed with any suitable sensor, such as a magnetic sensing means, with a structure of the shaft 58 serving the function of the mark 60 by perturbing a magnetic field to which the magnetic sensing means is responsive. In practice, the encoder 68 is preferably implemented with a C and A Model HT-llB encoder, obtainable from C and A products. The interface 65 is pre-ferably implemented with a PCEF Encoder Interface Module, which converts the shaft 58 position and rate information to binary coded decimal (BCD) form. The digital data processing system 54 supplies a rotatjon rate control signal at a ra-te *TRADE MARK

of, for e~ample, 2,000 pulses per revolu-tion of a label-feed roll 66 on line 64 to a stepping motor 67, which is connected to feed roll 66 by a shaft 69, -through a stepping motor control 71. The rotation rate control signal on line 64 is such that -the Eeed roll 66 will supply continuous label sheet 68 to the cutter at a proper rate so -that the cutter 56 will separate an individual label 70 from the sheet 68 at the kerf 72 dividing each individual label from its ne~-t adjacent neighbors.
Each label 70 includes a positioning mark 74. The positioning mark 74 is sensed by an optical sensor 75 as a means of preventing the sheet 68 from "creeping" with respect to the cutter 56, so that the cutter 56 begins to slit the sheet ~3 at o-ther locations than the kerf 72. The optical senSor 76 is connected to the da-ta processing system 54 by line 78~ The optical sensor 76 supplies a signal on line 76 when a mark 74 is sensed. The digital data processing system 54 compares the shaft 58 at the time the mark 74 is sensed with the position shaft 58 should have in order for label 70 feed and shaft 58 position to be synchronized for proper label 70 slitting. The optical sensor 76 is preferably implemented with a banner CVG-l sensor, obtainable from Banner, Inc., Minneapolis, Minnesota.
When it is desired to replace a roll 80 of the labels 70 with a roll of labels having a different length than that of the labels 70, the length of the new labels in inches is entered into the digital data processing system 54 by means of thumbwheel switches 82 on the front panel 84.
An angular position in degrees for shaft 58 when a mark 74 should be sensed by sensor 76 is dialed in with thumbwheel switches 83O

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A tolerance for the angular position in degrees is also entered by means of thumbwheel switch 85.
Figure 2 shows the data processing sys-tem 54 in the system of Figure 1 in more cletailc The system 54 includes a processor 100 input modules 102, 104, and 106 are connected to supply input to the processor lOOo An input/output module 108 is also connected to supply inputs to the processor 100 and supply outputs from -the system 54 on line 112 for certain machine control functions conventional in the art and nor forming a part orf this invention~ ~owever, these other control functions are provided using the same data processing system 54 used for the rest of the inventionO An outpu-t module 110 is connected to receive outputs from the processor 100, to be supplied to the stepper motor control on Line 113O
Interface module 65 is connected to the input module 104 of data processing system 54 by line 63. The thumbwheel switches 82, 83, and 85 are respectively connected to the input multiplexer module 102 by lines 114, 116, and 1180 Inputs from other sensors attached to the labelling machine 52 (see also Figure 1) are supplied on line 120 to the l/O
module 108. Outputs for labelling machine 52 control functions are supplied by the I/O module 108 on line 112. Optical sensor 76 supplies the input signal to inpu-t module 106 on line 78 when it senses the presence of a registration mark 74O
Attached as an appendix to this specification is a machine language program listing of a suitable control program for the Modicon-P190/484 digital data processing system 54~

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3$~

It should now be readily apparent to those skilled in the art that a novel digital data processing system controlled labelLing machine capable of achieving the stated objects of the invention has been provided~ The system 50 feeds labels 70 from roll 80 on a continuous basis to the cutter 56 in such a manner that the cutter will cut the labels 70 at the keri 72 and supply the cut labels 70 to a container in a consistent manner. Changing the label machine 52 to accommoda-te different size labels is a simple matter of entering the new label length into the digital data processing system 54.
It should further be apparent to those skilled in the art that various changes in form and detail of the invention as shown and described may be made. For example, the mark 74 can be placed on any desired loca-tion on the labelO It is in-tended that such changes be included within the spirit and scope of the claims appended hereto.

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Claims (9)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. In combination, a digital data processing means, a labelling machine including a master shaft and a slave shaft, means for sensing position of said master shaft of said labelling machine operatively connected between said master shaft and said digital data processing means, an optical sensor for a registration mark for each label on a sheet of labels, said optical sensor being connected to said digital data processing means, a means for entering a length of labels on the sheet to be fed through said labelling machine, said length entering means being connected to said digital data processing means, a drive roller positioned to advance the sheet of labels in said labelling machine, a stepping motor connected between said drive roller and said digital data processing means, said digital data processing means including means responsive to inputs from said master shaft position sensing means, said registration mark optical sensor and said length entering means for providing actuating signals from the master shaft position, sensed registration mark and length inputs to said stepping motor to maintain alignment of each label in the sheet of labels relative to position of the master shaft as the sheet of labels is advanced in said labelling machine.
2. The combination of claim 1 in which said master shaft is fixedly connected relative to a cutter of said labelling machine.
3. The combination of claim 2 in which said data processing means is connected to a drive roller for a continuous sheet of labels to be fed to said cutter
The combination of claim 2 in which said data processing means is connected to an optical sensor for a registration mark for each label on the sheet of labels.
5. The combination of claim 4 in which said data proces-sing means is connected to a means for entering a length of labels on the sheet to be fed through said labelling machine.
6. In combination, an electronically controlled differential comprising a master shaft for carrying out a repetitive operation at regularly spaced intervals on a work-place advanced relative to said master shaft and a slave shaft positioned to advance the workpiece relative to said master shaft, means for sensing position of said master shaft, an optical sensor for registration marks at the regularly spaced intervals on the workpiece, a stepping motor connected to said slave shaft, electronic circuit means operatively connected to receive data from said master shaft position sensing means and said registration mark optical sensor, an input means connected to said electronic circuit means to supply a user selectable interval between registration marks on the workpiece, said electronic circuit means being connected to supply actuating signals to said stepping motor based on the data from said master shaft sensing means and said registration mark optical sensor and the user selected interval to control operation of said slave shaft relative to said master shaft.
7. The combination of claim 7 additionally comprising means for sensing an error in a relationship between said slave shaft and said master shaft, said error sensing means being connected to supply a data input to said electronic circuit means indicative of the error.
8. The combination of claim 7 additionally comprising an input means connected to said electronic circuit means to supply at least one user selectable parameter of said combination.
9. The combination of claim 6 in which said electronic circuit means is a digital data processing means.
CA000440951A 1982-11-12 1983-11-10 Computer controlled labelling machine Expired CA1213960A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US441,040 1982-11-12
US06/441,040 US4519868A (en) 1982-11-12 1982-11-12 Computer controlled labelling machine

Publications (1)

Publication Number Publication Date
CA1213960A true CA1213960A (en) 1986-11-12

Family

ID=23751252

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000440951A Expired CA1213960A (en) 1982-11-12 1983-11-10 Computer controlled labelling machine

Country Status (4)

Country Link
US (1) US4519868A (en)
JP (1) JPS6068243A (en)
CA (1) CA1213960A (en)
ZA (1) ZA838417B (en)

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Also Published As

Publication number Publication date
US4519868A (en) 1985-05-28
JPS6068243A (en) 1985-04-18
ZA838417B (en) 1984-07-25

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