JP4473354B2 - Labeling device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a label sticking device for sticking a label to a product conveyed on a line.
[0002]
[Prior art]
FIG. 4 is a schematic explanatory view of a conventional label sticking apparatus. The label sticking apparatus 14 is a roll-like label continuous body obtained by rolling a label continuous body in which a plurality of labels 30 are temporarily attached to a belt-like mount 32 at predetermined intervals. A supply reel 34 for feeding 33 to the transfer path, a peeling plate 36 for peeling the labels 30 from the belt-like mount 32 one by one, and a sticking roller 38 for sticking the label 30 peeled by the peeling plate 36 to the adherend 20. The take-up reel 40 is configured to take up the belt-like mount 32 from which the label 30 is peeled off by the peeling plate 36.
[0003]
The label sticking device 14 is positioned above the conveyor 16 so that the label 30 peeled off by the peeling plate 36 is stuck on the upper surface of the adherend 20 (product) conveyed by driving the conveyor 16.
The roll-shaped label continuous body 33 is supplied from the supply reel 34 and conveyed to the peeling plate 36 while being engaged with the plurality of guide rollers 42. The release plate 36 is formed with an acute angle at the front end and is provided obliquely downward. The belt mount 32 temporarily attached with the label 30 is turned and conveyed at the front end of the release plate 36 so that the release plate 36 is more rigid than the belt mount 32. The large label 30 is peeled off from the belt-like mount 32 and fed out straight.
[0004]
The sticking roller 38 is provided next to the peeling plate 36, and when the label 30 is peeled off from the belt-like mount 32 by the peeling plate 36 and is fed straight out, the sticking roller 38 is transported by the conveyor 16 on the upper surface of the adherend 20. The label 30 is pressed to a predetermined position on the upper surface of the adherend 20.
On the other hand, the strip-shaped mount 32 from which the label 30 has been peeled is wound around the take-up reel 40 via the guide roller 44.
[0005]
In addition, a tension roller 46 that absorbs a change in tension applied to the belt-like mount 32 is provided between the supply reel 34 and the release plate 36 in the transfer path for transferring the label continuous body, and the release plate 36 and the take-up reel. A rubber roller 48 and a nip roller 50 for transferring and sandwiching the belt-like mount 32 are provided between the belt 40 and the belt 40.
[0006]
There are various types of adherends to be pasted by such a label pasting device 14, for example, there is a packed product 20 packaged with a transparent film.
Packed products are packaged by placing food or processed food on a tray with a transparent film upstream of the labeling device, and pasting a label for sealing on the bottom side of the packed product to seal the transparent film. A label that is conveyed to the apparatus and pre-printed on the upper surface of the packed product is peeled off by the release plate 36 and attached to the packed product.
Moreover, the position of the front-end | tip part of the peeling board 36 is affixed on the exact position by arrange | positioning in the position near the upper surface of the pack goods 20.
[0007]
However, depending on the packed product 20, the height is increased when the content is not constant.
In addition, the height of the packed product changes depending on the shape of the contents, or further, the sealing label attached to the bottom side of the packed product is peeled off and the packed product itself is lifted to increase the height of the packed product. There is.
[0008]
As described above, when the height of the product becomes higher than the position of the front end portion of the peeling plate 36, the packed product comes into contact with the peeling plate 36 and the packed product 20 stagnates on the conveyor 16, and the packed product to be conveyed next. However, since the stagnation comes into contact with the stagnating product, the labeling work is stopped and the efficiency of the labeling work is reduced.
[0009]
[Problems to be solved by the invention]
In view of the above problems, the present invention efficiently transports a label to a packed product by transporting it downstream of the label applicator without attaching a label when a packed product exceeding a predetermined height is transported. Provided is a label sticking device that can be stuck.
[0010]
[Means for Solving the Problems]
The present invention, when the height of the shape of the product being conveyed is higher than the predetermined, attention is paid to be conveyed to the downstream of the label sticking apparatus without placing the labels, it is conveyed on the line items In the label affixing device for affixing a label to the label affixing device, the label affixing device transports a label continuous body in which a plurality of labels are temporarily attached to a belt-like mount at a predetermined interval, provided a peeling plate for peeling the label, determination means for determining the acceptability of the product coming is the transport, and a rotating means for rotating the peeling plate, said rotating means, said release plate rotatably A pivot shaft supported by the pivot shaft, a link member fixed to the pivot shaft, and a solenoid provided on an upper portion of the link member. Based on the detection result of the determination means, the product is regarded as a defective product. If it is determined, Serial drives the solenoid presses the link member, a labeling machine, characterized in that to avoid sticking a label so as to move the release plate upward.
[0011]
Accordingly, since the product does not come into contact with the release plate and does not stop, the label application work is not stopped and the label application work is improved. In addition, there is no need for a confirmer for confirming that the label is attached to the product, and this allows the confirmer to perform other operations, thereby improving the efficiency of the entire operation.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a schematic explanatory view of a label sticking apparatus of the present invention. However, the same reference numerals are given to the same parts as in the prior art, and details thereof are omitted.
The label affixing device 14 has a supply reel 34, a peeling plate 36, and a take-up reel 40. A label continuous body in which a plurality of labels 30 are temporarily attached to a belt-like mount 32 at a predetermined interval is formed into a roll. The rolled label continuous body 33 is fed out from the supply reel 34, guided by the guide rollers 42... 42, and transferred to the peeling plate 36.
[0013]
The belt-like mount 32 is turned at the front end of the peeling plate 36 and the label 30 is peeled off from the belt-like mount 32 and fed forward. The label 30 is conveyed by the conveyor 16 described later while being pressed by the pressing roller 38. A label 30 is affixed to the upper surface of the incoming packed product 20.
The strip-shaped mount 32 from which the label 30 has been peeled is conveyed and nipped between the rubber roller 48 and the nip roller 50 disposed between the peeling plate 36 and the take-up reel 40 and taken up by the take-up reel 40.
[0014]
FIG. 2 is a perspective view of the release plate. The front end portion of the release plate 36 has an acute shape, and the rear end portion is fixed to the rotating shaft 22. One end of the rotating shaft 22 is pivotally supported by the main frame, and a link member 24 is fixed to the rotating shaft 22 at the other end.
Link member 2 4, provided parallel to the transfer direction of the continuous label strip, the upper part of the rear end portion of the link member 22, the solenoid 28 is arranged, the solenoid 28 is provided by a mounting plate (not shown).
[0015]
End of the rod 2 4 solenoids 28 is in contact with the rear end portion of the link member 26, a drive signal is supplied to the solenoid 28, the rod 26 solenoid 28 is energized presses the link member 24 rotates The peeling plate 36 is rotated in the counterclockwise direction (in FIG. 2). When the peeling plate 36 rotates counterclockwise, the tip end portion of the peeling plate 36 rotates upward. When the drive signal of the solenoid 28 is no longer supplied, the pressing force of the rod 26 decreases, and the peeling plate 36 is rotated clockwise (in FIG. 2) by the coil spring 10 that urges the peeling plate clockwise. Return to a predetermined position (height).
[0016]
Further, the label sticking device 14 is provided with a height detection sensor 18 for detecting the height of the packed product 20 on the main frame 12 of the label sticking device 14, and the height sensor 18 is peeled in the transport direction of the packed product 20. It is located on the upstream side of the plate 36. Further, the height sensor 18 is provided so as to be arranged toward the surface of the conveyor 16 and detect the height of the packed product 20.
[0017]
When the packed product 20 is conveyed by the conveyor 16, the label sticking device 14 configured as described above detects the height of the packed product 20 by the height sensor 18, and when it is equal to or lower than a preset height, Since no signal is supplied to 28, when the packed product 20 reaches a predetermined position near the peeling plate 36, the label continuum is transferred, and one label 30 is peeled off from the peeling plate 36, and the label is placed at a predetermined position on the upper surface of the packed product 20. 30 is affixed. The packed product 20 to which the label 30 is attached is conveyed downstream of the label attaching device 14.
[0018]
When the packed product 20 being conveyed is higher than the height preset by the height sensor 18, a signal is supplied from the height sensor 18 to a control unit (not shown) to transport the label continuum. A signal is not supplied to the drive unit (not shown), and an excitation signal is supplied to the solenoid 28 so that the tip of the peeling plate 36 is rotated upward to avoid contact with the packed product 20. . Then, the packed product 20 is conveyed downstream without attaching the label 30.
[0019]
As described above, when the height of the pack product 20 being conveyed is detected and the pack product 20 exceeding the predetermined height is conveyed, the pack product 20 is prevented from coming into contact with the release plate 36. Since the tip of the peeling plate 36 is rotated upward and conveyed downstream without attaching the label 30, the label application work is not stopped, so the label application work is not stopped. To do.
[0020]
A preferable reference height set in advance in the height sensor is set to a position equal to the height of the front end portion of the release plate or a position slightly lower than the height of the front end portion of the release plate.
[0021]
【The invention's effect】
As described in detail above, the present invention does not interrupt the labeling operation, so that the labeling operation is improved. In addition, there is no need for a confirmer for confirming that the label is stuck on the packed product, and this allows the confirmer to perform other operations, thereby providing an excellent effect of improving the efficiency of the entire operation.
[Brief description of the drawings]
FIG. 1 is a schematic explanatory diagram of a label sticking device of the present invention.
FIG. 2 is an explanatory diagram of a main part of a release plate.
FIG. 3 is an explanatory view explaining the operation of the release plate.
FIG. 4 is a schematic explanatory diagram of a conventional label sticking apparatus.
[Explanation of symbols]
14 Labeling device 18 Height detection means 20 Substrate (packed product)
22 Rotating shaft 24 Link member 26 Rod 28 Solenoid 30 Label 34 Supply reel 36 Release plate 40 Take-up reel 46 Tension roller

Claims (1)

In a label sticking device that sticks labels on products conveyed on the line,
This label sticking device has a transport means for transporting a continuous label body in which a plurality of labels are temporarily attached to a belt-like mount at predetermined intervals;
A peeling plate for peeling the label during the transfer of the label continuum;
A judging means for judging the quality of the conveyed product;
Provided a rotation means for rotating the peeling plate,
The rotating means is
A rotation shaft that rotatably supports the peeling plate, a link member fixed to the rotation shaft, and a solenoid provided on an upper portion of the link member,
Based on the detection result of said determination means, when it is determined the product to be defective,
A label sticking device, wherein the solenoid is driven to press the link member and the peeling plate is moved upward so as not to stick a label.

Images