JPH0546055Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is a label that automatically peels off the backing paper attached to the surface of an object such as a product to protect the adhesive surface of the label. This invention relates to an automatic backing paper peeling device.

(Prior art) Labels with predetermined display contents printed or written are often affixed to the surface of automobiles, mechanical products, home appliances, etc., but the back side of the labels to be affixed to these products is pre-adhesive. agent is applied,
In order to protect this adhesive surface, a backing paper is attached to the adhesive surface on the back of the label when it is not in use.

Therefore, when attaching a label to the surface of a product, the backing paper on the back side of the label is manually peeled off, and then the adhesive side of the label is brought into contact with a predetermined position on the product to attach the label.

(Problem that the invention aims to solve) However, when pasting a label while peeling off the backing paper of the label by hand, it takes time to peel off the backing paper, resulting in poor workability, especially when mass-produced. When attaching labels to predetermined positions on each product, it takes a lot of time to peel off the backing paper, making it impossible to improve productivity.

The present invention was developed in view of the above circumstances, and is a label that can automatically peel off the backing paper of the label, reduce the time required to peel off the backing paper when pasting the label, and sufficiently improve work efficiency. The purpose of the present invention is to provide a backing paper peeling device.

(Means for Solving the Problems) In the present invention, the backing paper of a label that has a cut in the approximate center and can be divided into two parts from the cut point is attached to the adhesive surface of the back. It is a peeling device that picks up and holds the topmost label of a plurality of labels stacked one by one with the back side with the backing paper attached facing the vertical direction, and also removes the one label that is held. means for transporting the label to a predetermined position; and a plate-like member installed at the prescribed position and on which the label is placed, which corresponds to the position of the cut in the backing paper on the surface against which the label comes into contact. The rigidity of the backing paper is increased by pressing a release plate having a convex shape at a substantially central portion and pressing the substantially center portion of the label against the convex portion of the release plate and curving the substantially center portion of the label. means for dividing the backing paper into two at the cut point and peeling the divided portion from the label; and pressing only the label against the convex portion of the plate from the back side of the label at the location where the backing paper is separated and peeled off. A backing paper affixed to the backside adhesive surface of the label, the backing paper having means for fixing only the attached label to the release plate, and means for peeling the entire backing paper from the label fixed to the convex portion of the release plate. An automatic label backing paper peeling device is provided, which is characterized in that the backing paper of a label is automatically peeled off from a label.

(Function) According to the automatic backing paper peeling device, the label automatically transported by the transporting means is automatically pressed against the convex portion of the peeling plate, and by curving the approximately central portion of the label, the back side of the label is removed. The backing paper attached to the side is separated and peeled off from the cut portion due to its rigidity, and the divided ends of the backing paper are lifted off the adhesive surface of the label, making it easier to peel off the backing paper.

Furthermore, by pressing and fixing only the label to the peeling plate from the adhesive side of the label where the backing paper has been separated and peeled off, the entire backing paper can be easily peeled off.

(Example) Hereinafter, the present invention will be explained in detail based on the illustrated example.

FIG. 1 shows an example of a schematic configuration of a label backing paper peeling device according to the present invention.

Here, reference numeral 1 in the figure indicates a plurality of labels stacked with the back side facing substantially vertically upward, and reference numeral 2 indicates a label movable in the vertical direction (Z direction) and horizontal direction (Y direction), which is not shown. A suction cup 3 is attached to the back side of the topmost label 1, which is moved by a mechanism and placed in a predetermined position with the back side facing vertically upward, that is, the back side is on the bottom side. A conveying plate 4, which picks up and holds the labels 1 one by one and conveys the held labels 1 to a predetermined position by the moving mechanism, is installed at a specified position and has a convex shape approximately in the center. A peeling plate having a shaped portion 4a formed thereon, reference numeral 5, is a pin member 6 which is brought into contact with the convex portion 4a of the peeling plate 4 and presses a portion where the backing paper of the label is peeled off, which is predetermined from the abutting position. The actuator 7, which swings in the specified angle range, is in contact with the adhesive surface of the label fixed to the plate surface of the peeling plate 4 and conveys the label after peeling off the backing paper to a predetermined position.The tip side thereof is bent into an L shape. An actuator is used to swing the pin member 8 from the contact position within a predetermined angle range. Reference numeral 9 indicates a waste container for storing the backing paper that is peeled off from the label 1 and discarded.

Note that the label 1, peeling plate 4, each actuator 5, 7, and waste container 9 are normally installed on the same plane P of the apparatus.

Here, a well-known movement mechanism using a motor, an air cylinder, etc. is used to move the conveyance plate 2. Further, as the actuators 5 and 7, a stepping motor or a swinging motor such as a high rotor that swings through a predetermined angle using air pressure is used.

In addition, when using a pneumatic swing motor such as a high rotor, a solenoid valve for control, an air compressor, etc. are installed in parallel.

Although not shown, a control device for controlling the operation of the conveyance plate 2 and each of the actuators 5 and 7 is provided.

FIG. 2 shows the order in which the conveyance plate 2 is moved in one process of the backing paper peeling apparatus having the above structure, and the conveyance plate 2 is moved by the arrows in the figure by a moving mechanism (not shown). They will be moved in the order shown. Therefore, a relatively simple sequential control device may be used as the control device.

Here, one configuration example of the control device is shown in FIG.
As shown in the figure, the control device controls the transport plate 2
a position sensor 11 that detects the position of the transport plate 2 in the horizontal direction (Y direction), and the vertical direction (Z direction) of the transport plate 2.
a position sensor 12 that detects the position of the conveyance plate 2, control circuits 14 and 15 that control actuators 18 and 19 that move the conveyance plate 2 in the Y direction and Z direction, respectively, and actuators 5 and 7 for swinging the pin members 6 and 8. control circuits 16 and 17 that control the operation;
It is actuated by the start switch 10, and controls the movement control circuits 14, 15 based on the signals from the position sensors 11, 12 to control the movement of the transport plate 2 in the order shown in FIG. It also includes a controller 13 that controls the operation of each of the control circuits 16 and 17 and controls the operation of each actuator 5, 7, 18, and 19.

Note that the controller 13 may be a relay-type well-known sequential control controller, but more precise control is possible by using a well-known microcomputer.

FIG. 4 shows a flowchart of one working process of the label backing paper peeling apparatus shown in FIGS. 1 to 3 above.

Hereinafter, the operation of the automatic label backing paper peeling apparatus according to the present invention shown in FIGS. 1 to 3 will be described in accordance with the work steps shown in FIG. 4.

First, when the start switch 10 is turned on,
The controller 13 operates and starts control (S1).

When control is started, first, the controller 13
are position detection sensors 11 and 1 in the Y direction and Z direction, respectively.
Based on the detection signal 2, the movement control circuits 14 and 15 in the Y direction and the Z direction are controlled, and the movement actuators 18 and 19 are actuated to move the conveyance plate 2 to the initial position where the labels 1 are loaded. . When the conveyance plate 2 is moved to the initial position directly above the label 1, the controller 13 controls the Z-direction movement circuit 15 to operate the actuator 19, and the conveyance plate 2 is lowered toward the label 1 so that the lower surface of the conveyance plate 2 A pair of suction cups 3 attached to the side absorb the backing paper side of the topmost label 1 among the stacked labels 1, and then move the transport plate 2 upward to the initial position. (S2).

Next, the controller 13 controls the Y-direction control circuit 14 to operate the actuator 18 for moving in the Y-direction, and moves the conveying plate 2 with one label 1 sucked and held by the suction cup 3 to a position directly above the peeling plate 4. (S3), and then the Z direction movement control circuit 1
Actuator 19 for moving in the Z direction by controlling
is activated, the conveying plate 2 is lowered toward the peeling plate 4, and the label 1 is set on the peeling plate 4 (S4).

Incidentally, FIG. 5 shows the state when the transport plate 2 is lowered.

When the label 1 is set on the peeling plate 4, the controller 13 further operates the actuator 15 for moving in the Z direction to move the conveying plate 2.
The label 1, which is suctioned and held by the suction cup 3 on the lower side, is pressed against the peeling plate 4, and as shown in FIG. The backing paper 1a attached to the back side is separated from the cut portion by the rigidity of the backing paper 1a, and is peeled off from the adhesive surface of the label. Next, the controller 13 uses a swinging actuator 5 such as a high rotor to swing the pin member 6 into contact with the part where the adhesive surface of the label 1 is exposed after the backing paper 1a is separated and peeled off. , peel off only the label 1 from the convex portion 4a of the plate 4
Fixed to.

When the label 1 is fixed to the convex portion 4a of the peeling plate 4, the controller 13 controls the Z direction movement control circuit 15 to operate the actuator 19,
The label 1 is fixed to the peeling plate 4 by moving the conveying plate 2 vertically upward as shown in FIG.
The entire backing paper 1a is peeled off (S5).

After peeling off the backing paper, the controller 13 controls the Y-direction movement control circuit 14 to operate the actuator 18 to transport the transport plate 2 with the peeled backing paper 1a sucked and held by the suction cups 3 to a position directly above the waste container 9. (S7), the backing paper 1a is discarded into the waste container 9 (S8), and then the transport plate 2 is returned to the initial position (S9).

Also, at approximately the same time, the controller 13 controls the pick-up actuator control circuit 17 to operate the actuator 7, and as shown in FIG. The tip is brought into contact with the adhesive-coated back side of the label 1 from which the backing paper has been peeled off, and then the pin member 6 for fixing the label 1 is separated from the label 1 and returned to its initial position. As shown in FIG. 5, the pin member 8 is swung away from the peeling plate 4 to pick up the label 1 from which the backing paper has been peeled off toward the operator (S6).

Thereafter, each time the start switch is activated, the above-mentioned process is repeated once, and the backing papers of the stacked labels are sequentially peeled off one by one.

Note that it is also possible to repeat the above-mentioned work steps at regular intervals depending on the work ability of the worker.

(Effects of the Invention) As described above, according to the label backing paper peeling device according to the present invention, the backing paper attached to the adhesive surface on the back side of the label can be reliably peeled off one by one.

Therefore, by using the label backing paper peeling device of the present invention when attaching labels to predetermined positions on mass-produced products, it is possible to save the worker the trouble of peeling off the backing paper one by one, and the work can be simplified. can significantly improve performance. Therefore, the time required to paste labels can be significantly reduced.
Product manufacturing costs can also be reduced.

[Brief explanation of the drawing]

Fig. 1 is a schematic configuration diagram of an automatic label backing peeling device according to an embodiment of the present invention, Fig. 2 is an explanatory diagram showing the working order of the same label backing paper peeling device, and Fig. 3 is a diagram according to the present invention. A block diagram showing an example of the configuration of a control device for controlling a label backing paper peeling device, FIG. 4 is a flowchart for explaining one peeling process of the label backing paper peeling device according to the present invention, and FIG. FIG. 3 is an explanatory diagram for explaining the operating state of the backing paper peeling of the invented label backing paper peeling device along with the passage of time; 1...Label, 1a...Backing paper, 1b...Notch part, 2...Transportation plate, 3...Sucker, 4...
... Peeling plate, 4a... Convex portion, 5... Label fixing actuator, 6... Label fixing pin member, 7... Label pick-up actuator, 8... Label pick-up pin member,
9...Disposal container.

Claims (1)

[Scope of utility model registration request] A device that automatically peels off the backing paper of a label that has a backing paper that is cut approximately in the center and that can be divided into two parts from the cut point and is affixed to the adhesive surface on the back side, the backing paper being affixed to the backing paper. means for picking up and holding the topmost label of a plurality of labels stacked with the back side facing vertically upward one by one, and transporting the held one label to a predetermined position; A peeling plate, which is a plate-like member installed at the prescribed position and on which the label is placed, and has a convex portion approximately at the center corresponding to the cut position of the backing paper on the surface to which the label comes into contact; , By pressing the approximately central portion of the label against the convex portion of the peeling plate and curving the approximately central portion of the label, the backing paper is divided into two at the cut point using the rigidity of the backing paper. At the same time, means for peeling the divided portion from the label; means for pressing only the label against the convex portion of the plate from the back side of the label where the backing paper has been separated and peeled off, and fixing only the label to the peeling plate; and means for peeling the entire backing paper from the label fixed to the convex portion of the release plate, and the backing paper affixed to the backside adhesive surface of the label is automatically peeled from the label. Automatic label backing paper peeling device.