JP2010083565A - Labeling device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simplify the adjustment of label feeding speed, to eliminate an encoder, and to simplify default setting. <P>SOLUTION: A labeling device is provided with a rolled web which holds a mounting sheet with unfed labels on which the labels are stuck at specific intervals, a label separating plate which separates the labels by folding back the mounting sheet with the unfed labels supplied by the rolled web, a label detecting sensor which detects front and back ends of each label on the mounting sheet with the unfed labels moving on the label separating plate, a winding section equipped with a pulse motor for winding the mounting sheet from which the labels are separated by the label separating plate, and a control section which adjusts the stopping position of the label of the label separating plate based on data detected by the label detecting sensor, calculates the moving speed of a label sticking object by a signal from a sticking object detecting sensor provided at specific intervals at a transporting section for transporting the label sticking objects, and controls speed for winding the label mounting sheet from which the labels are separated by controlling the pulse motor. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

   The present invention relates to a label sticking apparatus for sticking a label to a product or its packaging, and relates to a label sticking apparatus provided with a control device that can easily adjust a label feeding speed.

Conventionally, in this type of label applicator, label feeding speed adjustment has been performed by installing an encoder to detect the speed of a product or an object to be labeled, or by installing a speed control dial on the control device. (For example, refer to Patent Document 1).
JP 05-201429 A

  However, in the method of installing an encoder or installing a speed control dial in a control device, fine adjustment is necessary for selection of the installation location of the encoder and initial setting.

  The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a label sticking device in which label feeding speed alignment is simplified, an encoder is eliminated, and initial setting is simplified. There is.

  The invention according to claim 1 is a raw fabric portion for holding a non-feed label mount on which a plurality of labels are stuck at predetermined intervals, and the unfeed label supplied from the raw fabric portion. A label peeling plate that folds the mount and peels the label; a label detection sensor that detects the leading and trailing edges of the label in the unfed label mount that moves on the label peeling plate; and the label peeling plate A winding unit having a pulse motor for winding the label mount from which the label has been peeled off, an alignment control unit that performs stop position alignment of the label on the label peeling plate based on detection data of the label detection sensor, and affixing The moving speed of the pasting object is calculated based on a signal from a pasting object detection sensor provided at a predetermined interval in a transport unit that transports the target object, and the pulse mode is calculated. The label controls is characterized in that it comprises a control device and a winding control unit which controls the winding speed of the label mount peeled.

  The invention according to claim 2 is the label sticking device according to claim 1, wherein the control device registers a distance L from the label peeling portion at the tip of the label peeling portion to the label detection sensor, and A pulse number management unit that manages the number of pulses output to the pulse motor of the winding unit at each leading end A of each of the labels detected by a label detection sensor and at each trailing end B of the label; and the pulse number management unit Between the leading edge A and the trailing edge B of the label, based on the number of pulses output to the pulse motor of the winding unit at the leading edge A of the label and the trailing edge B of the label. The margin length Q and the label length C are calculated, and the distance L from the label peeling portion at the tip of the label peeling plate registered in advance in the registration portion to the label detection sensor is calculated. The margin length Q and the label length C are compared and calculated, the winding length of the label mount for one cycle (margin length Q + label length C) is calculated, and the label mounting for the one cycle is wound. A calculation unit for determining the length, a memory for registering the winding length of the label mount of the one cycle determined by the calculation unit, and a winding length of the label mount of the one cycle determined by the calculation unit. Based on a feed amount control unit that controls the pulse motor so that the leading end of the label stops at the label peeling unit at the leading end of the label peeling plate, and a conveying unit that conveys the pasting object. Winding that calculates the moving speed of the sticking object according to a signal from the sticking object detection sensor provided and controls the winding speed of the label mount from which the label is peeled by controlling the pulse motor. And a controlling unit.

  The invention according to claim 3 is a raw fabric portion for holding a non-feed label mount on which a plurality of labels are stuck at a predetermined interval, and the unfeed label supplied from the raw fabric portion. A label peeling plate that folds the mount and peels the label; a label detection sensor that detects the leading and trailing edges of the label in the unfed label mount that moves on the label peeling plate; and the label peeling plate A winding unit having a pulse motor for winding the label mount from which the label has been peeled off, a transporting device for transporting the object to be pasted, and pasting the label peeled off by the label peeling plate onto the object to be pasted, and the label On the upstream side of the peeling plate, the label peeling plate is placed on the basis of the sticking object detection sensor provided in the transport device at a predetermined interval and the detection data of the label detection sensor. A label from which the label is peeled off by calculating a moving speed of the pasting object according to a signal from the pasting object detection sensor and a positioning control unit that performs stop positioning of the label, and controlling the pulse motor And a control device having a winding control unit for controlling the winding speed of the mount.

  According to the present invention, two product detection sensors are installed on a line for affixing a label to a product or its packaging, a time for the product to pass is measured, a moving speed of the pasting object is calculated, and a pulse motor is controlled. In addition, the label feeding speed can be controlled.

Hereinafter, the present invention will be described based on embodiments shown in the drawings.
1 thru | or 13 shows the label sticking apparatus which concerns on one Embodiment of this invention.
As shown in FIG. 1, the label sticking apparatus according to the present embodiment includes a raw fabric portion 1 that holds a non-feed label mount 3 on which a plurality of labels E are stuck at predetermined intervals, and a raw fabric portion. A label peeling plate 8 which peels off the label E by folding back the unfeeded label mount 3 supplied from 1 through the brake tension roller 2 at the label peeling unit 9, and a label E affixed on the label mount D A label detection sensor 5 that detects a gap (between the front end A of the label E and the rear end B of the label E) Q and a label mount D from which the label E has been peeled off by the label peeling plate 8 are fed to the label roller (label And a winding unit 6 that winds up through a feed roller 7.

And as shown in FIG. 1, the conveyor 11 for conveying the product 100 which is a sticking target object is arrange | positioned under the label peeling part 9 of the label sticking apparatus which concerns on this embodiment. The conveyor 11 is provided with product detection sensors 41 and 40 that detect the tip of the product 100 at a predetermined distance M. FIG. 2 shows an example in which two sets of transmission type product detection sensors 41 and 40 are used, and FIG. 3 shows an example in which two reflection type product detection sensors 41 and 40 are used.
In the present embodiment, the raw fabric portion 1, the brake tension roller 2, the winding portion 6, the feed roller (label feed roller) 7 and the pulse motor 39 are attached to the main body base plate 10 as shown in FIG. . As shown in FIG. 5, the feed roller (label feed roller) 7 and the pulse motor 39 are connected by timing belt 51 laid around timing pulleys 50, 50 provided on both.

As shown in FIGS. 1 and 4, the label peeling plate 8 and the label detection sensor 5 are attached to the main body base plate 10 via a square member 4 attached to the main body base plate 10. The label detection sensor 5 can use various sensors such as a light transmission type, a reflection type, and a contact type as label detection means.
Further, as shown in FIG. 1, an operation switch 20, a test switch 21, and a label feeding delay switch 22 are attached to the front surface of the main body base plate 10. The operation switch 20 has a switch function for performing auto-tuning at the initial setting for detecting the label position, and a switch function for performing the actual operation of the label sticking apparatus according to the present embodiment. Further, the label feeding delay switch 22 is used to delay the time for starting the board feeding after the product 100 is detected, and to move the sticking position to the product 100 backward. In addition, the unpaid label mount 3 and the label mount D from which the label E has been peeled off from the raw fabric portion 1 to the take-up portion 6 are guided by a guide roller in the same manner as a conventional label sticking device. .

As shown in FIG. 9, the control device 30 for performing label auto-tuning for easily performing label stop position alignment is a microcomputer in which each part such as a pulse motor 39 for winding the label mount D is constituted by a CPU 35 or the like. It is comprised so that it may control by 31.
The control device 30 that performs label auto-tuning in FIG. 9 is provided with a CPU 35 that executes various arithmetic processes and centrally controls each unit. The CPU 35 includes a ROM 32 that stores fixed data fixedly, and a variable. A RAM 33 that stores data in a rewritable manner is connected via a system bus 36. The ROM 32 stores a control program, and the microcomputer 31 executes various processes according to the control program stored in the ROM 32 while using the RAM 33 as a work area.

  For example, as illustrated in FIGS. 6 and 7, the control device 30 uses a registration unit (in this example, a ROM 32) that registers the distance L from the label peeling unit 9 at the tip of the label peeling plate 8 to the label detection sensor 5. ), And a pulse number management unit (main book) for managing the number of pulses output to the pulse motor 39 of the winding unit 6 at each leading end A of the label E detected by the label detection sensor 5 and at each trailing end B of the label E. In the example, the CPU 35 is used) and the number of pulses output to the pulse motor 39 of the winding unit 6 at the leading end A of each label E and the trailing end B of each label E managed by the pulse number managing unit. Then, the margin length Q and the label length C between the leading end A and the trailing end B of the label E are calculated, and the label is detected from the label peeling portion 9 at the tip of the label peeling plate 8 registered in advance in the registration portion. SE The distance L to the center 5, the margin length Q, and the label length C are compared and calculated, and the winding length of the label mount D in one cycle (margin length Q + label length C) is calculated. A calculation unit (in this example, the CPU 35 is used) that determines the winding length of the label mount D of the cycle; a memory 34 that registers the winding length of the label mount D of one cycle determined by the calculation unit; A feed amount control unit that controls the pulse motor 39 so that the leading end A of the label E stops at the label peeling unit 9 at the leading end of the label peeling plate 8 based on the winding length of the label mount D of one cycle determined by the unit. (In this example, the CPU 35 is used).

The control device for winding the label E is provided with a motor driver 37 for driving and controlling a pulse motor 39 for winding the label mount D as a part of the microcomputer 31 that is driven and controlled. The motor driver 37 is connected to the CPU 35 via the system bus 36. The CPU 35 controls the motor driver 37 by pulse output, and the advance amount of the pulse motor 39 is managed by the number of pulses.
The control device that detects the label E connects the label detection sensor 5 to the system bus 36 via the I / O port 38. Then, the gap Q between the label E and the label E of the unfeed label mount 3 on which the plurality of labels E are adhered with a predetermined interval (corresponding to the gap Q between the labels E and E) is detected. .
The test switch 21 is connected to the system bus 36 via the I / O port 38, and when the test switch 21 is pressed, the initial setting of the label E is started.

  Product detection sensors 41 and 40 that detect the tip of the product 100 provided on the conveyor 11 are connected to the system bus 36 via the I / O port 38. In the ROM 32, the distance M between the product detection sensor 41 and the product detection sensor 40 is registered in advance. And CPU35 calculates the moving speed of the product 100 which is a sticking target object from the distance M between the product detection sensor 41 and the product detection sensor 40 previously registered into ROM32, and the passage time of the product 100. FIG. Based on the calculated moving speed, the pulse motor 39 is controlled, and the feed roller (label feeding roller) 7 is driven so that the label mount D is wound around the winding unit 6 at the same speed as the moving speed of the product 100. To do. The product detection sensor 40 has two roles, that is, the end of the travel time measurement of the product 100 that is the object to be pasted and the start of label sticking.

Next, the mechanism of the initial setting control by the label sticking apparatus according to the present embodiment will be described based on FIGS. 1, 6, 10 and 12. FIG.
First, the unpaid label mount 3 is attached to the label sticking apparatus according to the present embodiment, and power is supplied (step S1). When the operation switch 20 is turned on, the control device 30 that performs label auto-tuning enters the label auto-tuning mode (step S2).
Next, when the test switch 21 is pressed (step S3), the label mount D is wound around the winding unit 6 by the feed roller (label feed roller) 7 driven by the pulse motor 39 (step S4). At that time, the label detection sensor 5 detects the rear end B of the label E, the front end A of the label E, the label E, and the rear end B of the label E as shown in FIG. During this operation, the CPU 35 manages the number of pulses output to the pulse motor 39 at each position. The CPU 35 calculates the margin length Q and label length C between the rear end B of the first label E and the front end A of the label E based on the number of movement pulses.

The CPU 35 then registers the distance L from the label peeling portion 9 at the tip of the label peeling plate 8 registered in advance in the ROM 32 to the label detection sensor 5 and the distance between the rear end B of the label E and the tip A of the label E. The margin length Q and the label length C are compared and calculated. Further, the winding length of the label mount D for one cycle (the margin length Q + the label length C between the rear end B of the label E and the front end A of the label E) is calculated, and the label mount D of one cycle is calculated. The winding length is determined (step S5), registered in the memory 34 (step S6), and the pulse motor 39 is controlled so that the leading edge of the label E stops at the label peeling portion 9 at the leading edge of the label peeling plate 8 to feed. The roller (label feeding roller) 7 is driven to wind the label mount D around the winding unit 6 (see FIG. 12).
This completes the initial label auto-tuning (step S7).
When the operation switch 20 is turned on again, the label sticking device enters the mount feeding signal standby state. By inputting the feeding signal, for example, as shown in FIG. Can be pasted.

The above describes the operation from the state in which the test switch 21 is pressed with the label E on the label detection sensor 5 based on FIG. 6, but the state in which the label detection sensor 5 has no label E as shown in FIG. When the test switch 21 is pressed, the label detection sensor 5 detects the leading edge A of the label E, the label E, the trailing edge B of the label E, and the leading edge A of the label E in this order. During this operation, the CPU 35 manages the number of pulses output to the pulse motor 39 at each position.
In the label sticking device according to the present embodiment, the tip portion can be simplified and the stop position can be easily adjusted, so that the label return can be inserted into a narrow gap. Therefore, it can be used for lower surface bonding and side surface bonding regardless of only upper surface bonding.
Further, since the length C and the margin length Q of the label E can be registered in the memory 34, an abnormality can be output as an alarm instantly even when the tooth loss of the label E occurs.

Next, using FIG. 10 to FIG. 12, for example, the distance L from the label peeling portion 9 that is the label return to the label detection sensor 5 is 100 mm, the label length C is 25 mm, the margin length Q is 5 mm, and the label E Will be described as labels E1, E2, E3, and E4.
(1) Press the test switch 21 (2) The label mount D is wound around the winding unit 6 by a feed roller (label feeding roller) 7 driven by a pulse motor 39.
(3) The label detection sensor 5 includes a label rear end B of the label E1, a label front end A of the label E2,
The rear end B of the label E2 is detected.

(4) The CPU 35 has a margin length Q of 5 mm and a label E length of 25 mm, and the winding length of the label mount D for one cycle (margin length between BAs Q = 5 mm + label length C = 25 mm). Is calculated from 30 mm and the number of moving pulses.
(5) The CPU 35 compares the distance L = 100 mm from the label peeling portion 9 that is the label return registered in advance in the ROM 32 to the label detection sensor 5 and advances 10 mm after detecting the label leading end A of the label E3. The pulse motor 39 is controlled to stop at the position, and the 39 feed roller (label feed roller) 7 is driven to wind the label mount D around the take-up unit 6.
(6) During this operation, the CPU 35 manages the number of pulses output to the pulse motor 39 at each position and registers the winding length of one label mount D in the memory 34.
The following operations are performed in the same manner as described above.

Next, the mechanism of label feeding control by the label sticking apparatus according to the present embodiment will be described with reference to FIGS.
When the product 100 flows on the conveyor 11, the product detection sensor 41 first detects the tip of the product 100 (step S8). Further, the product 100 flows and the product detection sensor 40 detects the tip of the product 100 (step S9). The CPU 35 calculates the moving speed of the product 100 as the object to be pasted from the distance M between the product detection sensor 41 and the product detection sensor 40 registered in advance in the ROM 32 and the passing time of the product 100. Based on the calculated moving speed, the pulse motor 39 is controlled to drive the feed roller (label feeding roller) 7 to wind the label mount D around the winding unit 6 at the same speed as the moving speed of the product 100 (step S10). ).
Although this embodiment demonstrated the product on a conveyor, it may attach to a packaging machine and may use the registration mark on a film as a detection signal.

It is a block diagram of the label sticking apparatus by one Embodiment of this invention. It is the top view which provided the transmission type product detection sensor in the conveyor in FIG. It is a top view which provided the reflection type product detection sensor in the conveyor in FIG. It is a figure which shows the detail of a label peeling part. It is a figure which shows the detail of a feed roller (label feed roller) part. It is a figure which shows the positional relationship (starting from label detection) of a label detection sensor. It is a figure which shows the positional relationship (starting from label mount detection) of a label detection sensor. It is a figure which shows the positional relationship of the label after completion of initialization, and a label peeling plate. It is a figure which shows the control apparatus of the label sticking apparatus of FIG. The flowchart which shows operation | movement of initial setting. It is a figure which shows the start of label initialization. It is a figure which shows completion | finish of label initialization. Flow chart for calculating the moving speed of the object to be applied

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Original fabric part 2 Brake tension roller 3 Unfeed label mount 4 Square material 5 Label detection sensor 6 Winding part 7 Feed roller (label feed roller)
8 Label peeling plate 9 Label peeling part 10 Main body base plate 11 Conveyor 20 Operation switch 21 Test switch 22 Label feed delay switch 30 Label auto tuning control device 31 Microcomputer 39 Pulse motor 40 Product detection sensor 41 Product detection sensor 50 Timing pulley 51 Timing Belt 100 Product A to which Label E is Affixed A Tip B of Label E Trailing Edge C of Label E Label Length D Label Mount E Label L Distance from Label Separation Part 9 to Label Detection Sensor 5 Q Trailing Edge B of Label E Margin length M between the tip A of the label E and the distance between the product detection sensor 41 and the product detection sensor 40

Claims (3)

A raw fabric portion for holding a non-feed label mount in which a plurality of labels are stuck at predetermined intervals;
A label peeling plate for turning off the unfed label mount supplied from the raw fabric portion and peeling the label;
A label detection sensor for detecting the leading and trailing edges of each of the labels in the unfed label mount that moves on the label peeling plate;
A winding unit having a pulse motor that winds the label mount from which the label is peeled off by the label peeling plate;
A sticking object provided at a predetermined interval in an alignment control unit that performs stop position alignment of the label on the label peeling plate based on detection data of the label detection sensor, and a transport unit that transports the sticking object. A control device having a winding control unit that calculates a moving speed of the object to be pasted according to a signal from a detection sensor, and controls the winding speed of the label mount from which the label is peeled off by controlling the pulse motor; A label affixing device comprising: In the label sticking device according to claim 1,
The control device includes:
A registration unit for registering a distance L from the label peeling unit at the tip of the label peeling unit to the label detection sensor;
A pulse number management unit for managing the number of pulses output to the pulse motor of the winding unit at each leading end A of each of the labels detected by the label detection sensor and at each trailing end B of the label;
Based on the number of pulses output to the pulse motor of the winding unit at each leading end A of the label and the trailing end B of each label managed by the pulse number management unit, the leading end A and the rear of the label The margin length Q between the end B and the label length C is calculated, and the distance L from the label peeling portion to the label detection sensor at the tip of the label peeling plate registered in advance in the registration portion,
The margin length Q and the label length C are compared and calculated, the winding length of the label mount for one cycle (margin length Q + label length C) is calculated, and the label mounting for the one cycle is wound. An arithmetic unit for determining the length;
A memory for registering the winding length of the label mount of the one cycle determined by the arithmetic unit;
A feed amount control unit that controls the pulse motor to stop the leading edge of the label at the label peeling portion at the leading edge of the label peeling plate based on the winding length of the one-cycle label mount determined by the calculation unit When,
Based on a signal from a sticking object detection sensor provided at a predetermined interval in a transport unit that transports the sticking object, the moving speed of the sticking object is calculated, and the pulse motor is controlled to control the label. A label sticking apparatus comprising: a winding control unit that controls a winding speed of the peeled label mount. A raw fabric portion for holding a non-feed label mount in which a plurality of labels are stuck at predetermined intervals;
A label peeling plate for turning off the unfed label mount supplied from the raw fabric portion and peeling the label;
A label detection sensor for detecting the leading and trailing edges of each of the labels in the unfed label mount that moves on the label peeling plate;
A winding unit having a pulse motor that winds the label mount from which the label is peeled off by the label peeling plate;
A transporting device for transporting an object to be pasted and for pasting the label peeled off by the label peeling plate to the object to be pasted;
On the upstream side of the label peeling plate, a sticking object detection sensor provided in the transport device at a predetermined interval;
Based on the detection data of the label detection sensor, a moving speed of the sticking object is calculated based on a signal from the sticking object detection sensor and an alignment control unit that performs the stop position alignment of the label on the label peeling plate. And a control unit having a winding control unit that controls the pulse motor to control the winding speed of the label mount from which the label has been peeled off.

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