JPH0430505Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to an automatic weighing and value labeling machine that measures the weight of packaged foods, etc., which are placed in a tray or the like and packed with a packaging film, etc., and attaches a label. .

Currently, for fresh foods, processed foods, etc., food 1 is placed on a tray 2 and packed with a packaging film 3, as shown in Figure 1. Label 4 printed with
They are often sold in such a way that the contents can be seen at a glance.

(Prior Art) FIG. 2 is a schematic explanatory diagram showing an example of an automatic weight labeling machine that measures the weight of such packaged foods (hereinafter referred to as "work") and affixes a label 4 thereon. In the automatic weighing machine 6 shown in this figure, when a workpiece 5 is put into the workpiece input section 7, it is guided by the guide plates 8 and 9 and placed on the conveyor belt.
0, the workpiece is transferred in the direction of arrow A, its weight is measured in the weighing section 11, and the price (unit price x weight) etc. obtained from this measurement result is printed on the label 4 by the label printing machine 12, and this is printed on the label 4. It is now being affixed.

(Problem to be solved by the invention) By the way, the works 5 as packaged foods are usually arranged horizontally on the display shelf 13 as shown in the perspective view of FIG. The longitudinal direction of workpiece 5 and label 4 as
Labels 4 are affixed in the same direction as the longitudinal direction of the labels, but in convenience stores and the like, as shown in the perspective view of Figure 3B, it is desirable to place as many kinds of workpieces 5 as packaged foods as possible on the front of the display shelves 13. Therefore, it is often placed vertically. Therefore, in such a case, the label 4 is arranged so that the longitudinal direction of the workpiece 5 and the longitudinal direction of the label 4 are perpendicular to each other.
However, in the conventional automatic weighing and value tagging machine 6, the distance between the guide plates 8 and 9 must be widened and the workpiece 5 must be placed horizontally as shown in FIG. For this reason, the workpiece 5 becomes unstable,
Even if one end of the label touches either of the guide plates 8 and 9, the workpiece 5 will tilt, thereby causing the label 4 to stick diagonally. Also, due to changes in the vertical and horizontal orientation of labels. Although it is necessary to adjust the attachment position to the workpiece 5, this work is troublesome.

In view of the above-mentioned circumstances, this invention makes it possible to attach a label by aligning the longitudinal direction of the work with the longitudinal direction of the label without changing the direction of the work and inserting the work. It is an object of the present invention to provide an automatic weighing value labeling machine that can attach labels and easily adjust the label attaching position as the label attaching direction is changed.

(Means for Solving the Problems) Next, means for achieving the above object will be explained with reference to FIGS. 4 to 11 corresponding to the embodiments.

That is, the automatic weighing and value marking machine according to the present invention has a conveyance section that includes a conveyor belt that conveys articles and guide plates 27 and 28 that are provided along both side edges of the conveyor belt with a left and right interval d that can be freely adjusted. 22; and a weighing machine 29 that is provided at an intermediate portion of the conveyor belt and sequentially measures the weight of articles conveyed by the conveyor belt; and an upper part of the belt surface of the conveyor belt downstream of the position of the weigher 29. Weighing machine 2
a labeling device 34 that prints a numerical value calculated based on the measured value obtained in step 9 on a label and then affixes the label to the article being conveyed from the labeling section 42 at the lower end; the labeling device 34; an object detector 50 that is provided slightly upstream of the device 34 and detects the article being conveyed by the conveyor belt; In addition to outputting the numerical value, a pasting signal is sent to the label pasting device 34 to instruct the timing for pasting the label on which the numerical value is printed on the corresponding goods after the goods have been detected by the object detector 50. Control device 51 to output
It is equipped with and;

The label pasting device 34 has a rotation shaft 33 for rotating the label pasting device 34 about a direction perpendicular to the belt surface. The label pasting section 42 is located at , and by rotating the label pasting device 34 about the rotation axis 33, the angle of the label pasting section 42 with respect to the article conveyance direction is changed and the label pasting section 42 is attached to the article. It is said that the orientation of the attached label can be changed freely.

In addition, the control device 51 causes the labeling device 34 to respond after the article is detected by the object detector 50 in accordance with an operation for changing the orientation of the label affixed by the labeling device 34. The present invention is characterized in that it includes a timer means for switching the timing of outputting the pasting signal in response to a change in the time until the label is pasted.

(Function) The weight of the article supplied from the upstream side of the conveyance section 22 is measured by the weighing machine 29, and the weight of the article is measured by the weighing machine 29.
After conveyance is detected by 0, the label pasting device 34
It passes through the lower part of the label pasting section 42 of. At this time, a numerical value based on the above-mentioned weight measurement result is printed on the label in the labeling device 34. Based on the detection signal from the object detector 50, a pasting signal is transmitted at a predetermined timing specified by the timer means of the control device 51, and the above numerical value corresponding to the passing article is printed from the label pasting section 42. Labels are supplied and applied.

As shown in FIGS. 11A and 11B, by rotating the label pasting device 34 by 90 degrees about the rotation shaft 33, the label can be pasted to the article in different orientations, vertically and horizontally.

By changing the orientation of the label vertically and horizontally, the position at which the label is attached to the article changes, and accordingly, the time from when the article is detected by the object detector 50 to when the label is attached by the label attaching device 34 changes. However, this change in time is caused by the control device 5.
This will be adjusted by the timer means of No. 1.

(Example) An example of this invention will be described below with reference to the drawings.

FIG. 5 is a front view showing an embodiment of the automatic weighing and value tagging machine according to this invention, and FIGS. 6 and 7 are a plan view and a right side view of the same embodiment, respectively. In Figure 5,
Reference numeral 20 denotes a box-shaped housing of this automatic weighing and value tagging machine 21, and a conveying section 22 is provided on the upper surface of the box-shaped housing 20 along its longitudinal direction. Transport section 22
, a first conveyor belt 24 provided also on the work input section 23 side, a second conveyor belt 25 provided downstream of this first conveyor belt 24 (on the right side in the figure), and a second conveyor belt 25 provided on the downstream side (right side in the figure) of this first conveyor belt 24. It is composed of a third conveyor belt 26 provided on the downstream side of the belt 25, and guide plates 27, 28 (see FIG. 6) provided along these first to third conveyor belts 24 to 26. The guide plates 27 and 28 are configured so that the distance d between them can be adjusted according to the width of the workpiece 5, and a weighing device 29 is attached to the second conveyor belt 25, thereby allowing the second conveyor belt 25 to The weight of the workpiece 5 placed on the conveyor belt 25 of No. 2 can be measured. Further, a support 30 is vertically provided on the side of the third conveyor belt 26 on the upper surface of the box-shaped housing 20, and the upper end of the support 30 is perpendicular to the conveyance direction of the third conveyor belt 26. An arm 31 is formed that extends horizontally.
As shown in FIG. 6, the arm 31 has a slide support portion 32 fixed to a knob 52 fitted therein so as to be movable in the directions of arrows C and D. ) is provided with a rotating shaft 33 in a direction perpendicular to the belt surface 26a of the third conveyor belt 26, and a label pasting device 34 is suspended from the lower end of the rotating shaft 33. . The label pasting device 34 is composed of a label printing section 35 that prints required information on the stored labels, and a drive section 36 that drives this label printing section 35. As shown in FIG. 7, there is a label supply section 37, a motor 38 for feeding out the label tape (see FIG. 9) T wound around the label supply section 37, and a label tape fed out by the motor 38. A mount winding section 40 that winds up the mount 39 of the T, and a printing section 43 that prints required information on the label 41 attached to the label tape T, then separates it from the mount 39 and sends it to the label pasting section 42. The center of the label 41 sent to the label pasting section 42 coincides with the axis of the rotation shaft 33. Further, the drive unit 36 applies negative pressure to the label sticking unit 42 to attract the label 41, and in this state, the object detector 50 provided on the side of the third conveyor belt 26 outputs a detection signal. Pressurized air is sent out after a predetermined period of time after S ₁ (see FIG. 10) is output to attach the label 41 to the workpiece 5, and the knob 45 provided at one end of the slide section 32 is When loosened, the drive section 36 and the label printing section 35 can be rotated 90 degrees about the rotation shaft 33, as shown in the partial plan view of FIG.

Next, the operation of this embodiment will be explained with reference to the timing diagrams shown in FIGS. 10A to 1D and the process charts shown in FIGS. 11A and 11B.

First, when attaching the label 41 so that the longitudinal direction of the workpiece 5 and the label 41 are aligned, set the label attaching device 34 to the position shown in FIG. The distance d between the guide plates 27 and 28 is set as follows. In this way, if the workpiece 5 is loaded into the workpiece input section 23 in a direction in which the longitudinal direction of the workpiece 5 and the conveyance direction of the conveyance section 22 match, the workpiece 5 will be guided by the guide plates 27 and 28. While being transported in the direction of arrow A by the first conveyor belt 24, the second
is placed on the conveyor belt 25, and its weight is measured here. This measurement result and the calculated value (price) of this measurement result and the unit price input from the control device 51 are supplied to the labeling device 34 and printed on the label 41. Next, the workpiece 5 is further transported in the direction of arrow A by the second transport belt 25 and sent to the third transport belt 26 . If the passage of the workpiece 5 is detected by the object detector 50 while being transported by the third conveyor belt 26, the object detector 50 outputs a detection signal S ₁ shown in FIG. Output. As a result, a timer (not shown) in the control device 51 operates and outputs a pasting signal _S2 after time _T1 as shown in FIG. Attach it. Therefore, in this case, as shown in FIG.
1 is pasted.

If the label 41 is to be attached so that the longitudinal direction of the workpiece 5 and the label 41 are perpendicular to each other, the knob 45 is loosened and the label attaching device 34 is rotated 90 degrees as shown in FIG. By this,
The direction of the label 41 discharged from the labeling device 34 is rotated by 90 degrees, and the timer in the control device 51 is switched. Therefore, the workpiece 5 passes the object detector 50, and this
When the detection signal S ₁ shown in FIG. 3C is output, the timer outputs the pasting signal S ₂ (see FIG. 10D) after time T ₂ to cause the label pasting device 34 to eject the label 41. As a result, the label 41 is attached such that the longitudinal direction of the workpiece 5 and the longitudinal direction of the label 41 are perpendicular to each other, as shown in FIG. 11B.

In this embodiment, since the label pasting device 34 is configured to be able to rotate 90 degrees, the direction of the label 41 to be pasted to the workpiece 5 can be changed without changing the direction of the workpiece 5. can.

In addition, in the embodiment described above, the labeling device 34 is manually changed, but the control device 51 is provided with a changeover switch, which is operated to operate a motor, etc., and the driving force at this time is used to label the labeling device. The pasting device 34 may be rotated.

(Effects of the invention) As explained above, the automatic weighing and value labeling machine according to this invention is configured so that the labeling device can be rotated, and by rotating the labeling device, Since the direction of the label attached to the workpiece can be changed vertically or horizontally without changing the orientation of the label, it is not necessary to adjust the interval of the guide plate that guides the workpiece when changing the direction of the label. Further, since the longitudinal direction of the workpiece can be made to coincide with the transporting direction of the workpiece, the transporting posture can always be stabilized, and thereby the label can be attached to an accurate position. Furthermore, since a narrow conveyor belt is sufficient, the width of the conveyor section can be reduced.

Further, according to this invention, the label that supplies the label to the workpiece in the labeling device 34, which can freely change the direction of the label to be pasted on the workpiece by rotating around the rotational shaft 33. Since the pasting section 42 is provided on an extension of the central axis of the rotating shaft 33, the difference in movement of the pasting position relative to the transported workpiece is minimized when the direction in which the label is pasted to the workpiece is changed. , the workpiece supply operation becomes easier.

Furthermore, according to this invention, after the workpiece is detected by the object detector 50 immediately before the labeling device 34, the control device 51 outputs a pasting signal instructing the timing at which a label corresponding to the workpiece is pasted. In addition, a timer means is provided to change the timing of outputting the above-mentioned affixing signal in accordance with the operation of changing the direction of the label affixed to the workpiece, so that the optimum specified position of the workpiece is always maintained regardless of the change in the direction of the label. This has the effect that the label can be pasted on the label, and there is no error in the pasting position.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an example of packaged food, Fig. 2 is a perspective view showing an example of a conventional automatic weighing and value labeling machine, and Fig. 3 A and B are perspective views showing examples of display of packaged food. , FIG. 4 is a perspective view for explaining the operation of vertically attaching labels to packaged foods using the automatic weighing and value labeling machine shown in FIG. 2, and FIG. 5 is an example of the automatic weighing and value labeling machine according to this invention. 6 is a plan view of the same embodiment, FIG. 7 is a right side view of the same embodiment, FIG. 8 is a plan view for explaining the operation of the same embodiment, and FIG. 9 is a plan view of the same embodiment. A front view showing an example of the label tape used in this embodiment, Figures 10A to 2D are timing diagrams for explaining the operation of the same embodiment, and Figures 11A and 11B are label pasting operations of the same embodiment, respectively. It is a process diagram for explaining. 5... Goods, 22... Conveyance section, 24, 25, 2
6... Conveyor belt, 26a... Belt surface, 27,
28... Guide plate, 29... Weighing machine, 30... Support column, 33... Rotating shaft, 34... Label pasting device,
41...Label, 42...Label pasting section, 50...
...Object detector, 51...Control device.

Claims (1)

[Claims for Utility Model Registration] A conveyance section 22 consisting of a belt for conveying articles and guide plates 27 and 28 provided along both side edges of the conveyance belt so that the left and right distance d can be freely adjusted; a weighing machine 29 that is provided at an intermediate portion of the belt and sequentially measures the weight of the articles being transported by the conveyor belt; machine 2
a labeling device 34 that prints a numerical value calculated based on the measured value obtained in step 9 on a label and then affixes the label to the article being conveyed from the labeling section 42 at the lower end; the labeling device 34; an object detector 50 that is provided slightly upstream of the position of the device 34 and detects the article being conveyed by the conveyor belt; In addition to outputting the numerical value, a pasting signal is sent to the label pasting device 34 to instruct the timing for pasting the label on which the numerical value is printed on the corresponding goods after the goods have been detected by the object detector 50. Control device 51 to output
and; The labeling device 34 has a rotation shaft 33 for rotating the labeling device 34 about a direction perpendicular to the belt surface, and the rotation axis 33, and by rotating the labeling device 34 about the rotation axis 33, the orientation of the labeling portion 42 with respect to the article conveyance direction can be changed. The control device 51 can freely change the direction of the label to be attached to the article by switching the label attaching device 34.
In conjunction with the operation of changing the orientation of the label to be pasted, the time from when the article is detected by the object detector 50 until the corresponding label is pasted by the label pasting device 34 is changed. Correspondingly, an automatic weighing and value marking machine characterized in that it has a timer means for switching the timing of outputting the pasting signal.