JP3652906B2 - Automatic labeling machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic labeling machine that attaches a label to a container, for example.
[0002]
[Prior art]
The label of the conventional automatic labeling machine has a shape wound in a roll shape, and the roll-shaped label is set on the apparatus and used while being separated one by one.
[0003]
[Problems to be solved by the invention]
In the conventional label, since it is wound in a roll shape, it is difficult to cope with a small number of sheets (small production) (it cannot be made into a roll). For this reason, it becomes difficult to deal with a small amount of various products.
[0004]
Further, since the label is exchanged in a roll state, man-hours such as positioning are required.
[0005]
In addition, there is a problem that a large work space is required because a space for carrying in and out and a space for installing a roll must be secured.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an automatic labeling machine that solves the above problems.
[0007]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention provides a label supply device provided with a suction support means by a vacuum capable of vertically and horizontally moving a label affixed to a backing sheet one by one, and a position where the label is supplied moved from, moved to a position which is the original feed, the label set table possible return, and peeling to mount stripping device mount from a label that is supplied to the label feeder tray by a label feed device, a mount with mount peeling device peeled labels adsorbed supported by vacuum, Ri consists a labeling apparatus comprising a labeling means for pasting the adhesive surface of the label in the labeling position, the mount peeling apparatus, the adsorption by said labeling means The end of the mount on the supported label set table is lowered and the label set table is moved by the mount by the lowering. From reluctant labels have a mount clamping means going peeled off one after the other mount and said Rukoto.
[0008]
In a preferred embodiment, the labels are stacked one by one and stored and set in the magazine with the mount facing down.
[0010]
As a result, according to the automatic labeling machine, the labels stored and set in the magazine are sucked and supported by the sucking and supporting means of the label supply device and supplied to the label setting table . The supplied label is sucked and supported by the label attaching means, and one end of the mount is lowered while being sandwiched by the mount clamp means . At this time, the mount is peeled off from the end of the label while moving the label set table . As a result, the mount can be reliably peeled off from the label, and the label set table returns to the original state and enters a standby state. On the other hand, the label from which the mount has been peeled is moved by the label attaching means, and the adhesive surface of the label is attached at the label attaching position. At the same time, the next label can be supplied to the label set stand in the standby state, and it is possible to respond flexibly and quickly to a small variety of products. Moreover, since the labels can be stored one by one in the magazine, a large installation space is not required.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described with reference to FIGS. 1 to 10.
[0012]
In FIG. 1, 1 is a label supply device of the automatic label applicator 3, 5 is a backing paper peeling device, and 7 is a label applicator.
[0013]
As shown in FIG. 3, the label supply device 1 includes a vacuum suction nozzle 13 that is controlled in the left and right and up and down directions by a first drive device 9 and a second drive device 11. The vacuum suction nozzle 13 sucks and supports the left and right and the center of the label 15 and is extended in parallel from the vacuum head 17 downward in parallel and connected to and connected to a vacuum hose (not shown). Yes.
[0014]
The vacuum head 17 is provided with a stopper plate 19 that stops its movement and protects the tip suction portion 13a of the vacuum suction nozzle 13 when it is lowered more than necessary for any reason.
[0015]
The first drive device 9 is a Lonless cylinder, is provided on a support bracket 25 fixedly supported by a stand member 23 rising from the machine base 21, and the tip suction part 13 a of the vacuum suction nozzle 13 is connected to the machine base. The movement control is performed above the magazine 27 loaded and set on the label 21 and above the label setting table 29 serving as the supply unit of the mount peeling device 5.
[0016]
The second drive device 11 is a cylinder with a guide, and is mounted on a movable plate 33 that is movable along a pair of upper and lower guide rails 31 provided on the support bracket 25 by the first drive device 9. The vacuum head 17 is supported so as to be movable up and down.
[0017]
The magazines 17 are arranged in parallel. One of the magazines 17 is for standby, and can be controlled to move to a standby position (FIG. 6, a) and a use position (FIG. 6, b) by a third drive device 35 such as a pen cylinder. As described above, in the magazine 27, the labels 15 are stored in a stacked state, and when the label 15 at the use position b disappears, it is detected by the photoelectric switch 37 provided at the bottom, and the standby position. The magazine 27 of a is controlled to move to the use position b. The empty magazine 27 is supplemented with the label 15 by hand or the like, and as shown in FIG. 9, the adhesive surface 15a of the label 15 is protected by the mount 39, and can be bonded by peeling the mount 39. Become.
[0018]
As shown in FIG. 4, the mount peeling device 5 is a means for peeling the mount 39 from the label 15 supplied to the label set stand 29 by the mount clamp means 41, and the label set stand 29 is provided on the machine stand 21. Along the guide rail 43, it is slidably mounted in the left-right direction in FIG. Three long linear shafts 45 are fixedly supported on the label set base 29, and an elevating member 47 that can be moved up and down is mounted on the linear shaft 45.
[0019]
The elevating member 47 has a built-in linear motor incorporating a guide shoe 49 that moves up and down along two of the three linear shafts 45 and a motor with an electromagnetic brake that moves up and down along the remaining one linear shaft 45. The head 51 and the mount clamp means 41 are mounted and supported, and the linear head 51 and the mount clamp means 41 can be moved up and down along the linear shaft 45 by the operation of the linear head 51.
[0020]
The mount clamp means 41 includes a lower receiving base 53 and a clamp 55 that hold the end of the mount 39 of the label 15 set on the label setting base 29 from above and below, and the clamp 55 is a fourth cylinder serving as a jig cylinder. By actuating the driving device 57, the tip claw portion rotates around the clamp shaft 55a to the receiving base 53 side, and can be switched to a state of holding the terminal of the mount 39. Therefore, in the state where the end of the mount 39 is sandwiched between the clamp 55 and the receiving base 53, the mount 39 is lowered by the operation of the linear head 51, whereby the mount 39 moves away from the label 15 as shown in FIG. . At this time, the label set table 29 is pressed by the mount 39 which is separated from the label 15, and the linear shaft 45 moves to the right together. For this reason, the mount clamping means 41 is lowered obliquely to the lower right and peels off the mount 39 from the label 15 by the combination of the downward movement and the rightward movement as shown by the chain line in FIG. The label set stand 29 moved to the right side as indicated by the peeling locus X at the time of peeling can be returned to the position indicated by the solid line in FIG. 4 by the operation of the fifth driving device 59 for return.
[0021]
That is, the fifth drive device 59 is a long stroke cylinder, and the tip 61a of the piston rod 61 is in the lowered state as shown by the two-dot chain line in the state where it is retracted to the standby position as shown by the two-dot chain line. Is lifted along the linear shaft 45 by the operation of the linear head 51, so that the stopper bolt 63 provided on the mount clamp means 41 side and the tip 61a of the piston rod 61 face each other. Since the positioning is performed, the piston rod 61 can be extended to return to the original solid line position in FIG.
[0022]
As shown in FIG. 2, the label sticking device 7 is a means for sticking the label 15 to the product P such as a plastic container at the label sticking position D, and has a label sticking means 63.
[0023]
The label attaching means 63 includes a sixth driving device 65 serving as a long stalk cylinder, an operating arm 67, and a label suction head 69. The operating arm 67 has an almost intermediate portion with respect to the support plate 73 by an arm shaft 71. Thus, it is rotatably supported in a vertical position (solid line) and a horizontal position (two-dot chain line), and is urged by a spring 75 so as to be always in a vertical posture (solid line). The upper end side of the operating arm 67 is coupled to the piston rod 65 a of the sixth driving device 65. The label suction head 69 is mounted on the lower end side of the operating arm 67. When the piston rod 65a is contracted, the operating arm 67 is in a vertical posture and the suction surface 69a of the label suction head 69 faces the label attaching position D. It comes to be positioned in the meeting position. Further, when the piston rod 65a is extended, the operating arm 63 is in a horizontal posture (two-dot chain line) rotated 90 degrees, and the suction surface 69a of the label suction head 69 faces downward, and when the piston rod 65a is fully extended, the label 29 It will be positioned on the top surface.
[0024]
On the other hand, the support plate 73 to which the label attaching means 63 is attached is supported by a piston rod 77a of a seventh drive device 77 that is a long piston, and the seventh drive device 77 is fixed to the stand member 23. The support member 79 is fixedly supported.
[0025]
Thereby, the suction surface 69a of the label suction head 69 can be moved from the standby position to the label attaching position D by the extension of the piston rod 77a.
[0026]
According to the automatic labeling machine 3 configured in this way, the vacuum suction nozzle 13 is lowered by the operation of the second driving device 11 with respect to the labels 15 stacked one by one in the magazine 27, and the label 15 is moved. Adsorb. The vacuum suction nozzle 13 that has sucked the label 15 rises, and moves to above the label setting table 29 by the operation of the first drive device 9. Subsequently, by the operation of the second driving device 11, it is lowered, the suction is released, and the label 15 is set on the upper surface of the label setting table 29. The vacuum suction nozzle 13 that has released the suction of the label 15 moves up and then returns to the upper side of the magazine 27 by the operation of the first drive device 9.
[0027]
At the same time, the label suction head 69 is lowered by the operation of the sixth driving device 65 to suck and hold the label 15 set on the label setting table 29 from above. In this state, the clamp 55 is operated by the operation of the fourth driving device 57, and the terminal of the mount 39 is held by the clamp 55 and the receiving base 53 as shown in FIGS. Subsequently, the lifting member 47 is lowered along the linear shaft 45 by the operation of the linear head 51. At this time, since the label 15 is sucked and held by the label suction head 69, the mount 39 is surely peeled off from the label 15 as shown in FIGS. 9 and 10, and the label set stand 29 is pushed by the mount 39. Move to the right. The label 15 from which the mount 39 has been peeled is separated from the label setting table 29 in a state where it is sucked and supported by the label suction head 69 by the operation of the sixth drive device 65, and then by the operation of the seventh drive device 77. It is pressed to the label attaching position D. Thereby, the adhesive surface of the label 15 is affixed to the product P such as a plastic container, and the affixing operation is completed.
[0028]
In the following, since the vacuum suction nozzle 13 sucks and supports the labels 15 one by one from the magazine 27 and supplies them to the label set stand 29 in a standby state, it can flexibly handle a small amount of various products. In addition, the label 15 can be easily exchanged unlike the roll-shaped label, and the installation space can be reduced. Of course, it can be applied to mass production.
[0029]
【The invention's effect】
As described above, according to the automatic label applicator of the present invention, the label supply device for taking out and supplying the labels one by one from the magazine and the mount clamping means from the supplied labels are peeled off to expose the adhesive surface. Securely apply labels one by one with the base plate peeling device, the label set stand that returns to the original standby state after the base plate is peeled from the label, and the label attaching device that attaches the label at the label attaching position. Can do. In addition, since the label set table returns to the original standby state after the mount is peeled off , it can be flexibly and quickly deal with a small variety of products. In addition, unlike a label wound in a roll shape, the label can be easily replaced and the installation space can be reduced.
[Brief description of the drawings]
FIG. 1 is a schematic front view of an automatic labeling machine according to the present invention.
FIG. 2 is an enlarged view of a label supply device, a mount peeling device, and a labeling device.
FIG. 3 is an enlarged explanatory view of a label supply device.
FIG. 4 is an enlarged explanatory view of a mount peeling device.
FIG. 5 is a plan view of FIG. 2 as viewed from above.
FIG. 6 is an operation explanatory diagram of the label supply apparatus.
FIG. 7 is an initial operation diagram of a clamp of the mount peeling device.
FIG. 8 is an operation diagram in which the terminal of the mount is held by the clamp and cradle of the mount peeling device.
FIG. 9 is an initial operation diagram in which the mount is peeled from the label.
FIG. 10 is an operation diagram in the middle of peeling the mount from the label.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Label supply apparatus 5 Mount peeling apparatus 7 Label sticking apparatus 15 Label 15a Adhesive surface 39 Mount D Label sticking position

Claims (2)

A label supply unit equipped with vacuum suction support means that can move vertically and horizontally by sucking the labels affixed one by one and moving from the label supply position to the original supply position a label set table possible return, said the label set peeling to mount stripping device mount from the supplied label to stand, adsorbed supported by vacuum labels peeling the backing sheet with the backing sheet peeling device by the label feeder, labeling Ri consists the attached position labeling with a labeling means for pasting the adhesive surface of the label device, wherein the mount peeling apparatus, the edge of the mount on the label feeder tray adsorbed supported by said labeling means The label set table is moved down by the mount due to the lowering, and the mounts are sequentially peeled off from the labels. Ku automatic labeling machines, characterized that you have had a mount clamping means.   2. The automatic label applicator according to claim 1, wherein the labels are stacked one by one and stored and set in the magazine with the mount facing down.

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