JPH10338218A - Labeling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a head and a rod capable of relative movement with regard to their movement toward an article and make them capable of integrally rotating with regard to their rotation relating to the article, in a labeling device having an attracting head which holds by attraction a label issued from a label printer and having a pushrod which projects from a label-attracting face of the head and affixes the label to the article. SOLUTION: A support rod 27 supporting an attracting head 32 is passed in a freely sliding manner through a rotary body 36 which supports a pushrod 40 so that the head 32 and the rod 60 are made relatively movable in the longitudinal direction. Furthermore, by engagement of a concave groove formed longitudinally in the support rod 27 with a linear bearing provided in an insertion hole in the rotary body 36 the head 32 and the rod 40 are made capable of integrally rotating in a plane perpendicularly meeting their longitudinal directions.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a label sticking apparatus, and more particularly, to a suction head for sucking and holding a label issued from a label printer under a negative pressure, and a push for pushing and sticking the label held by the head toward a product. The present invention relates to a label attaching device including a rod.

[0002]

2. Description of the Related Art Generally, in a backyard of a supermarket or the like, a label sticking apparatus for automatically sticking a priced label on which a product name, price, expiration date and the like are printed to a packaged product is transported by, for example, a transport conveyor. The above-mentioned price-added label, which is disposed above a product to be supplied and fed out from a label issuing port of a label printer, is sucked and held by a suction head by a negative pressure, and is pushed out and adhered to a product below. .

In this case, as a mechanism for pushing the label held by the suction head toward a product, there is a mechanism disclosed in, for example, Japanese Patent Publication No. 7-121736. The mechanism disclosed in this publication includes a support block that supports a plurality of push rods such that the push rods can advance and retreat from the label suction surface of the head. Using a cam that rotates in synchronization with the rotation, the support block is lifted upward at a constant period against the above-mentioned urging force, and is dropped downward by the urging force. In this case, the block is fixed to a stopper member. By causing the push rod alone to protrude from the label suction surface of the head by inertia at the time of dropping, the label adsorbed on the suction surface is pressed against the product. is there.

[0004] According to this, each push rod for pressing the label against the product stops when it comes into contact with the product, so that even if the label affixing portion of the product has irregularities, slopes, steps, or the like, the label can be used. Is beautifully affixed.

[0005]

However, the technique disclosed in the above publication has the following problems. That is, since the rod is made to protrude from the suction head by using the inertia at the time of dropping of the support block that supports the push rod, the protruding stroke cannot be long, and the installation position of the label sticking apparatus can be freely set. The degree will be limited.

Further, in order to cause the push rod to protrude by inertia, the support block collides with the stopper member and is suddenly stopped. Therefore, there arises a problem of durability and impact noise of each part, and especially, the push stroke of the push rod. As the lifting distance of the support block increases in an attempt to increase the length, the problem described above increases. In addition, since the lift of the cam increases, the rotational driving force for winding the label roll must be increased.

To solve this problem, for example, a suction head is movably provided on a main body frame, a label is sucked to the head, and then the head is first approached to a product.
And when the distance between the head and the product has become shorter,
It is conceivable to stick the label by protruding the push rod. According to this, even if the distance between the label receiving position (the position corresponding to the label issuing port in the label printer) and the position where the product is to be attached is long, the stroke of projecting the push rod from the head can be short. .

However, in the case of the above configuration,
Since the moving distance for the product is different between the suction head and the push rod, in addition to the drive source that moves the push rod to the position where the product is to be attached, there is another method that only moves the suction head closer to the predetermined position with respect to the product. Drive source is required.

Further, depending on the type and printing direction of the label, or the conveying posture of the product on the conveyor, the label issued from the label printer is not affixed to the product in the same posture, but is issued, for example, horizontally. Labels may be affixed to a product with their labels oriented vertically or diagonally. In such a case, at least the suction head holding the label must be rotated by a predetermined angle with respect to the product, but in the label sticking device disclosed in the above publication, the suction head is assembled to the main body frame. Therefore, the entire label sticking apparatus is rotated, which is large.

[0010] To solve this problem, it is conceivable that the suction head is movably provided on the main body frame as described in the above proposal so that only the head can be approached and rotated with respect to the product. In that case, the push rod protruding from the head in order to press the label against the product must also be turned by the same angle,
The problem is how to rotate these suction heads and push rods, which move differently in the direction of approaching the product, together in the direction of rotation with respect to the product.

Accordingly, the present invention provides a label sticking apparatus including a suction head for sucking and holding a label supplied from a label printer, and a push rod projecting from the head toward the product and sticking the label to the product. In order to cope with the above problem, it is required that the suction head and the push rod can be relatively moved in a direction approaching the product with a compact configuration, and further, can be integrally rotated in a rotating direction with respect to the product. Make it an issue.

[0012]

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is characterized by having the following configuration.

First, an invention according to claim 1 (hereinafter referred to as "first invention") in the claims of the present application is a label suction member for sucking and holding a label fed out from a label issuing port, and the suction member. Protruding from the label adsorption surface of
What is claimed is: 1. A label sticking apparatus comprising: a pressing member that presses and sticks the label on a product, wherein the supporting member supports the label adsorbing member, and a first endless body integrally provided with the supporting member. A first winding traveling mechanism around which the first endless body is wound so as to be able to travel, a drive source for traveling the first endless body of the first traveling mechanism, and the driving member, which are integrally provided on the support member; A second winding traveling mechanism around which a second endless body is wound so as to run parallel to the first endless body, and a part of the second endless body of the second traveling mechanism is fixed to the main body side. A fixing member, and in the second endless body, the pressing member is supported by a traveling portion on a side different from the traveling portion on which the part is fixed by the fixing member.

Further, the invention according to claim 2 (hereinafter referred to as “second
Invention ". In the first invention, the label suction member is provided on a shaft member rotatably supported by a support member about an axis parallel to the traveling direction of the first endless body, and rotates the shaft member. A rotation source is provided, and the pressing member is supported by a second support member integrally provided on the second endless body so as to be rotatable about the same axis as the rotation axis of the label suction member. The rotating member is inserted into the rotating member so that the shaft member is slidable in the direction of the rotation axis, and the rotating member and the shaft member are provided with an engaging portion. The joint is configured such that when the shaft member is rotated by the rotation source, the shaft member and the rotating body are integrally rotated.

By using the above-mentioned means, each invention of the present application operates as follows.

According to the first aspect of the present invention, a label suction member for sucking and holding a label fed from a label issuing port is supported by a support member provided integrally with the first endless body. When the endless body runs, it moves in the same direction as the running direction.

On the other hand, a pressing member protruding from the label suction surface of the suction member and affixing a label to a product is supported by a second endless body running in parallel with the first endless body. In this case, the second endless body is provided integrally with a support member that supports the suction member via a second winding traveling mechanism, and is separated from the traveling portion on the side where the pressing member is supported. A part of the traveling part on the different side is fixed to the main body side by a fixing member. Therefore, when the first endless body is driven by the drive source and the support member or the label suction member moves in the same direction, the second endless body also runs in the same direction in the second winding traveling mechanism. The running speed at that time is twice the running speed of the first endless body or the moving speed of the support member or the label suction member.

As a result, the pressing member supported by the second endless body moves in the same direction at twice the moving speed of the label adsorbing member, and when the label adsorbing member moves a predetermined distance, the pressing member moves to the second position. Move twice the distance. Therefore, the suction member and the pressing member can be moved by different distances by a single common driving source, and the pressing member can be protruded from the suction member with a compact configuration.

According to the second aspect of the present invention, the support member supports the shaft member rotatably about an axis parallel to the traveling direction of the first endless body, and the label suction member is provided on the shaft member. ing. At this time, since the rotation source for rotating the shaft member is provided, when the shaft member is rotated by the rotation source, the suction member also rotates in the same direction.

On the other hand, a second support member is provided integrally with the second endless body, and the second support member is supported by a rotating body so as to be rotatable about the same axis as the rotation axis of the suction member. The pressing member is provided on the rotating body. And
The rotating body is configured such that the shaft member is slidably inserted in the direction of the rotation axis, and both are integrally rotated by the rotation source by engagement portions provided on the rotating body and the shaft member. Therefore, the suction member and the pressing member can be relatively moved by a single common drive source, and they can be compactly and integrally rotatable by a single common rotation source. it can.

Furthermore, in this case, only the minimum required for the change of the sticking angle of the label to the product and the sticking operation of the sticking member and the pressing member are rotated, and the entire label sticking apparatus is not rotated. Also from this point, the configuration is not large and the size is reduced.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, in this embodiment, a label sticking apparatus 1 according to the present invention is disposed above a conveyor C for conveying a weighed and packaged product X to a predetermined shipping station. A label L with a price fed out and issued from a label issuing port W of an adjacent label printer 2 is received by a suction head 32 described later, and is attached to a product X on a conveyor C below.

Inside the label printer 2, a roll 3 of a label sheet S in which a number of labels L...
While the label sheet S pulled out from the printer is guided by the plurality of guide rollers, predetermined print information is printed on the label L while passing between the thermal print head 4 and the platen roller 5, and the peeling rod at the label issuing port W The printed label L is peeled off from the backing sheet B by being bent at a steep angle in 6. The label L peeled off at the peeling point P is protruded and supplied to the adhering device 1 by the movement of the backing sheet B, and only the backing sheet B is wound up by the collection roll 7.

Next, the configuration of the label attaching apparatus 1 will be described in detail. As shown in FIGS. 2 and 3, the label sticking apparatus 1 has a rectangular cylindrical main body frame 10 extending in a vertical direction, and a servomotor 11 is attached to an upper portion of a front vertical wall 10 a of the frame 10. . Same front vertical wall 10a
Are provided with a pair of upper and lower timing pulleys 12a and 12b rotatably, respectively.
A timing belt 13 is wound between a and 12b. Rotation support shaft 12c of upper timing pulley 12a
A large-diameter driven pulley 14 is connected to the outside of the vertical wall 10a.
A transmission belt 16 is wound around a driving pulley 15 provided on the output shaft 11a of the motor 11, and the pair of upper and lower pulleys 12a, 12b are driven by the rotation of the motor 11 in forward and reverse directions (directions of arrows a and b). Of the timing belt 13 travels in the vertical direction.

In the timing belt 13, an arm member 17 is fixed to a traveling surface 13a on the left side of the pulleys 12a and 12b, and a support plate 18 having a plurality of horizontal walls is connected to the arm member 17. The support plate 18 includes a first horizontal wall portion 18a to which the arm member 17 is fastened, a second horizontal wall portion 18b one step lower than the first horizontal wall portion 18a on the front side, and a first horizontal wall portion. And a third horizontal wall portion 18c that is one step lower on the right side than the first horizontal wall portion 18a.
8c a pair of front and rear slide rods 1 extending vertically
The upper ends of 9 and 19 are fixed. The slide rods 19, 19 are attached to the right side vertical wall 10b of the main body frame 10.
U-shaped support block 20 attached to the lower part of
The lower plate 21 having a single horizontal wall portion is bridged between the lower end portions thereof as shown in FIG. Have been. Thereby, the timing belt 1
3 supports the support plates 1
8, slide rods 19, and lower plate 21
(Hereinafter, appropriately referred to as “elevating unit U”) ascend and descend together.

Further, timing pulleys 22, 22 are rotatably provided on the third horizontal wall portion 18c of the upper support plate 18 and the lower plate 21 at positions between the slide rods 19, 19, respectively. A second timing belt 23 is wound around these pulleys 22,22. In the timing belt 23, a connecting arm 24 extending below the first horizontal wall portion 18a of the support plate 18 is fixed to a traveling surface 23a on the left side of the pulleys 22, 22, and a traveling surface 2a on the right side.
3b is fastened to the inner surface 20b of the support block 20. As a result, the timing pulleys 22 move up and down as a result of the lifting unit U moving up and down. A part of the timing belt 23 wound between these pulleys 22 and 22 moves toward the frame 10 side. By being fixed, the second timing belt 2
3, the left traveling surface 23a is at the elevation speed 2 of the elevation unit U.
The connecting arm 24 fixed to the belt 23 moves up and down at twice the moving distance of the lifting unit U with respect to the main body frame 10.

In the elevating unit U, a top plate 26 is provided on the first horizontal wall portion 18a of the upper support plate 18 through columns 25... 25, and a support rod extending vertically to the top plate 26 and the support plate 18 is provided. Upper portions 27 are rotatably supported, and a large-diameter driven pulley 28 is integrally provided on the support rod 27 between the top plate 26 and the support plate 18. on the other hand,
A stepping motor 29 is attached to the lower surface of the second horizontal wall portion 18b of the support plate 18 (see FIG. 6), and a drive pulley 30 provided on an output shaft 29a projecting upward from the second horizontal wall portion 18b. The second transmission belt 31 is wound between the driven pulley 28 and
The forward and reverse rotation of the motor 29 causes the support rod 27 to rotate around its vertical axis as shown by arrows c and d.

At the lower end of the support rod 27, a label suction head 32 for receiving a label L fed out from the issuing port W of the printer 2 is attached.
The suction head 32 has a box shape having an upper surface 32a to which the support rod 27 is connected, a lower surface 32b that is partially inclined, and one open side surface 32c, and a blower is provided through the open surface 32c. As shown in FIG. 4, a pair of elongated elliptical openings 34 are formed on the upper surface 32a and the lower surface 32b with the connecting portion of the support rod 27 interposed therebetween.
a, 34a; 34b, 34b are formed corresponding to each other. The upper surface 32a is a cover in which a plurality of (a pair of three in the illustrated example) circular openings 35a... 35a located in these elliptical openings 34a, 34a; A member 35 is attached. When the fan device 33 is driven by a motor (not shown), a negative pressure is generated in the internal space of the suction head 32, and a lower surface 32 b of the head 32 is formed.
A suction force is generated in the elliptical openings 34b, 34b of the label L.
Is sucked and held by the suction head 32.

On the other hand, the connecting arm 24 fastened to the double speed timing belt 23 has a horizontal support surface 24a located below the first horizontal wall portion 18a of the upper support plate 18 in the elevating unit U. On the surface 24a,
As shown in FIG. 5, a rotary block 36 having a cylindrical boss 36a is rotatably fitted in a horizontal plane via the boss 36a and a ring-shaped bearing 37. A screw portion 36b is formed at the upper end of the boss portion 36a, and a nut 38 is screwed into the screw portion 36b to prevent the rotation block 36 from dropping. A pair of linear bearings 39, 39 disposed opposite to each other are housed in the boss portion 36a, and the suction head 32 is connected to the first support plate 18 of the upper support plate 18 via these linear bearings 39, 39. A support rod 27 suspended from the horizontal wall portion 18a slidably passes through the rotating block 36. In this case, the support rod 27 has two concave grooves 27a, 27 corresponding to the linear bearings 39, 39.
When the support rod 27 is rotated by the rotation of the stepping motor 29 when the grooves 27a, 27a are fitted with the balls of the linear bearings 39, 39, the rotating block 36 is formed. Also pivots in a horizontal plane with respect to the connecting arm 24.

The rotary block 36 is formed with a flange 36c. The flange 36c has two rows of circular openings 3 corresponding to the circular openings 35a... 35a of the cover member 35 of the label suction head 32.
6d... 36d are arranged side by side, and upper end portions of a pair of push rods 40, 40 extending in the vertical direction respectively into a predetermined pair of openings 36d, 36d (openings 36d, 36d on the rightmost side in the drawing in the figure) in each row. Is inserted and bolt 4
1, 41 fixed. Push rod 40,
The lower end of 40 penetrates through the corresponding circular openings 35a, 35a (openings 35a, 35a closest to the fan device 33 in the illustrated example) in the cover member 35 of the suction head 32, and the elliptical opening 34a of the upper surface 32a of the suction head 32. , 34a and into the internal space of the head 32. And
At the lower ends of the push rods 40, 40, there are provided bellows members 42, 42 formed of a soft material such as silicone resin and having a structure capable of expanding and contracting in the vertical direction.

Next, the operation of the label attaching apparatus 1 will be described according to the operation of attaching the label L. In addition, the servomotor 11 that raises and lowers the lifting unit U is configured so that the lifting speed of the lifting unit U and the switching between lifting and lowering can be controlled in accordance with the magnitude and direction of the applied current. A stepping motor 29 for rotating the support rod 27 is provided on the second horizontal wall portion 18b of the upper support plate 18 via a bracket 43, and includes a photosensor 44 having a light emitting portion and a light receiving portion, and an output of the stepping motor 29. The rotation angle of the support rod 27 can be controlled via a rotary encoder formed integrally with the shaft 29a and formed by a light shielding plate 45 having a large number of light transmitting holes 45a... 45a. .

First, the label sticking apparatus 1 uses the label L
2, the lifting unit U is raised to an upper position in the frame 10, and the lower surface 32b of the suction head 32, which is connected to the lifting unit U by the support rod 27 and moves up and down integrally, is received as shown in FIG. It is located at substantially the same height as the peeling point P of the label L at the label issuing port W. At this time, the suction head 32 is rotated so that the lower surface 32b of the suction head 32 is positioned on the peeling point P side, and the fan device 33 is driven at least at this label receiving position, and the lower surface of the suction head 32 is rotated. At the elliptical openings 34b, 34b of 32b, a suction force acting inside the head 32 is generated.

In this state, the printed label L is peeled off from the backing sheet B at the above-mentioned peeling point P, is fed out along the inclination of the lower surface 32b of the suction head 32, and is finally separated from the backing sheet B. The label L is sucked and held by the suction head 32 without falling off by the suction force generated in the elliptical openings 34b, 34b of the lower surface 32b by the driving of the lower surface 32b.

Next, the elevating motor 11 is driven to rotate in the direction of the arrow a shown in FIG. 2, and the elevating belt 13 is caused to run downward on the running surface 13a to which the elevating unit U is connected. As a result, the elevating unit U descends with respect to the main body frame 10 and the first horizontal wall portion 18a of the upper support plate 18 in the unit U causes the support rod 27 to move downward.
The label suction head 32 suspended through the head also descends integrally, and the label L held by the head 32 is held.
Approaches toward the product X on the conveyor C below.

On the other hand, a pair of upper and lower timing pulleys 2 provided on the third horizontal wall portion 18c of the upper support plate 18 and the lower plate 21 in the lifting unit U, respectively.
2, 22 also descend with the unit U. But,
At this time, the timing belt 23 wound between the pulleys 22 and 22 is fixed to the main body frame 10 via the support block 20 so that a part of one of the running surfaces 23 b is fixed to the belt 23. The connecting arm 24, which is connected to the other running surface 23a of the motor 23 and supports the rotary block 36 or the push rods 40, 40, moves at a speed equal to the speed at which the lifting unit U or the suction head 32 descends with respect to the main body frame 10. Therefore, with respect to the main body frame 10, the connection arm 24 is connected to the lifting unit U or the suction head 32.
Descend at twice the speed of In other words, the suction head 32
Is lowered by a predetermined distance from the first label receiving position, the push rods 40, 40 are lowered by twice the distance, and approach the product X below the suction head 32 more quickly.

As a result, as the suction head 32 is lowered, the push rods 40, 40 are lowered with a stroke twice as large as the head 32, and are located in the internal space of the suction head 32 at the label receiving position. The rod 40,
As shown in FIG. 6, the lower end portion of the label 40 finally projects downward from the lower surface 32b of the head 32 via elliptical openings 34b, 34b, and the label L sucked and held on the lower surface 32b is attached to the rod 40, 40 bellows members 42, 4 at lower end
The label L is pushed out toward the product X below by the label 2 and the label L is attached to the upper surface of the product X.

At this time, the bellows members 42, 42 expand and contract in the vertical direction when they come into contact with the product X, and absorb the shock of the contact. However, by the contact between the bellows members 42, 42 and the product X, Push rods 40, 40 to which the bellows members 42, 42 are attached, or a rotary block 3 for supporting the push rods.
6 and the connecting arm 24, an upward drag is generated with respect to the descending movement, and this drag is further passed through the second timing belt 23 and the lifting unit U, and finally the output shaft 11a of the lifting servomotor 11 The motor 11
Appears as a driving load.

When such a driving load appears on the lifting servomotor 11 during the lowering of the lifting unit U, it is determined that labeling has been completed, and the motor 1
1 is driven to rotate in the reverse direction as shown by the arrow b in FIG.
In the elevating belt 13, the traveling surface 13a to which the elevating unit U is connected is caused to travel upward. As a result, the lifting unit U and the label suction head 32 or the push rods 40, 40 start to move upward, and at this time, the push rods 40, 40 rise at twice the speed of the suction head 32, and the bellows members 42, 42 Is again housed in the head 32, and the drive of the servomotor 11 is stopped when the suction head 32 rises to the first label receiving position.

As described above, in the label sticking apparatus 1 according to this embodiment, the label suction head 32 and the push rods 40, 40, which move relative to the product X at different speeds, share a single drive. It is moved up and down by a source (elevation servomotor 11). Therefore, the suction head 32 and the push rod 40, which move differently from each other, are used.
There is no need to provide two motors for individually driving the motors 40 and 40, respectively, and the configuration is made compact.

Further, in this case, the push rods 40, 40, which are relatively small and light in comparison with the large label suction head 32 including the fan device 33 and the like, descend at twice the speed or stroke of the head 32. Before the lower surface 32b of the head 32 descends to the height of the upper surface of the product X, the rods 40, 40 protrude from the lower surface 32b of the head 32, and the bellows members 42, 42 at the lower end thereof are attached to the upper surface of the product X. Since the label L is finally applied, it is not necessary to lower the entire large-sized label suction head 32 from the label receiving position to the upper surface of the product X, and the power consumption of the lifting / lowering motor 11 can be reduced. Becomes

The label L is formed of a soft material,
Since the bellows members 42, 42 having a structure capable of expanding and contracting in the vertical direction are pressed and attached to the product X, the lower surface 32b of the suction head 32 having no such configuration is directly pressed against the product X to apply the label L. Compared to pasting,
The pressing force applied to the product X for sticking a label is absorbed and reduced, and damage to the product X is suppressed.

The fan device 33 is driven to attract the label L to the head 32 at least at the time of receiving the label L. However, at other times such as when the suction head 32 is lowered, the fan device 33 is driven. The driving of 33 may be stopped. This is because the suction force does not immediately decrease even when the fan device 33 is stopped, and the label L is unlikely to fall off due to the subsequent downward movement of the head 32. In that case, it goes without saying that the power consumption for driving the fan device 33 can be reduced.

In the above description, the label L issued from the label printer 2 is affixed to the lower product X in the attitude at the time of the issuance. In some cases, the label L needs to be attached to the product X at different angles, such as a vertical position, a horizontal position, an oblique position, or the like, depending on the transport position, the customer's request, or the like. Next, a case where the sticking angle of the label is changed will be described.

First, at the label receiving position, as in the case described above, as shown in FIG. 2, the suction head 32 has a lower surface so that the label L fed out and supplied from the label printer 2 can be smoothly captured. 32b is rotated so that the inclination of the head 32b is located on the peeling point P side, and the fan device 33 is driven to drive the lower surface 32b of the head 32.
A suction force for label suction is generated in the elliptical openings 34b, 34b.

When the printed label L is sucked and held by the suction head 32 at the label receiving position, the stepping motor 29 is driven to rotate clockwise in FIG. 3, for example, while the fan device 33 is driven. Then, the support rod 27 is rotated by a predetermined angle in the direction of arrow c shown in FIG. 3 via the rotary encoder constituted by the photosensor 44 and the light shielding plate 45 described above.

As a result, as shown by a chain line in FIG. 4, the suction heads 32 supported by the support rods 27 are integrally rotated in the same direction by the same angle (about 135 ° in the illustrated example). Similarly, the label L adsorbed by 32 also rotates by the same angle about its vertical axis with respect to the commodity X below. Further, with the rotation of the support rod 27, the rotating block 3 through which the rod 27 is slidably inserted.
6 are integrally rotated by the same angle in the same direction via the linear bearings 39, 39 and the concave grooves 27a, 27a of the support rod 27, and accordingly, the push rods 40, 40 assembled to the block 36 are also similarly. Rotate by the same angle.

Then, in this state, as described above,
By lowering the suction head 32 and the push rods 40, 40 toward the product X by the lifting motor 11, the bellows members 42, at the lower end portions of the push rods 40, 40 that move down at twice the speed of the suction head 32. 42 is product X
, Whereby the label L is affixed to the product X at the rotation angle.

Then, the suction motor 32 and the push rods 40 and 40 are again raised to the label receiving position by rotating the lifting motor 11 in the reverse direction, and the stepping motor 29 is rotated counterclockwise in FIG. Then, the support rod 27 or the suction head 32 and the push rods 40, 40 are rotated in the direction of arrow d shown in FIG. At this time, the rotation of the head 32 and the like to the original position may be performed after the head 32 has been raised to the label receiving position, or may be performed while being raised.

As described above, the stepping motor 2
9, the label L issued from the printer 2 can be attached to the product X in a posture rotated in a range of 360 °. The label L can be attached in a desired posture such as attachment.

In the label sticking apparatus 1 according to this embodiment, the label suction head 32 and the push rods 40, 40, which move differently with respect to the product X, move up and down with respect to the product X. The suction heads 32 for changing the sticking angle of the label L are configured to rotate integrally.
The rotation of the push rods 40 and 40 can also be performed by a single common drive source (the rotation stepping motor 29), and the configuration is made compact.

Further, in this case, only the suction head 32 and the push rods 40, 40 necessary for changing the sticking angle of the label L to the commodity X and the sticking operation are rotated, and the main body frame 10 or this label sticking is rotated. Since the entire device 1 is not rotated, the configuration does not become large and the device becomes compact.

Further, the rotation of the suction head 32 or the like for changing the sticking angle of the label L is performed at the label receiving position where the suction force is always generated in the head 32 to capture the label L first. Since the suction is performed while the suction force is being generated, the label L is moved to the suction head 32 during the rotation.
, And also is prevented from dropping out due to inertia due to inertia due to a shock when the rotation is stopped.

In this label sticking apparatus 1,
A fan device 33 is built in the suction head 32. By operating the fan device 33, suction for label suction is performed on the head 32 at any desired time regardless of the position of the head 32 being raised or lowered. Since the configuration is such that a force can be generated, not only does the label L rotate at the label receiving position as in the above example, but also during the period from when the label L starts descending to when the label L is applied. Alternatively, while the fan device 33 is operated, the support rod 27 may be rotated to rotate the suction head 32, the push rods 40 and 40, and the label L at a predetermined angle.

As another configuration of the label sticking apparatus 1, as shown in FIG. 3, a locking member 51 having a horizontal surface 51a is attached to the upper support plate 18 of the lifting unit U, Frame 1
0 is provided with a solenoid 52 for moving the rod 52a up and down. Also, the main body frame 1
0, an L-shaped lever 53 is provided rotatably about a support shaft 53a, and one end of the lever 53 is connected to the distal end of the rod 52a.
At the other end of 3, a stopper member 54 that supports the horizontal surface 51 a of the locking member 51 from below is attached. The label attaching apparatus 1 is designed to power off the entire apparatus with the elevating unit U raised, and at this time, the solenoid 52 is operated, and the stopper member 54 engages the locking member 51. Is supported from below to prevent the lifting unit U from falling by its own weight.

Further, circular openings 35a... 3 through which push rods 40 are inserted are formed in the cover member 35 of the suction head 32 and the flange 36c of the rotary block 36, respectively.
Since a plurality of 5a, 36d... 36d are provided, the push rods 40, 40 for extruding the label L downward and sticking it to the product X according to the size of the label L to be issued and the like.
Can be changed.

Further, as the control of the rotation angle of the support rod 27, a method of controlling based on a rotation origin sensor formed by a photo sensor and a light shielding plate and the number of pulses applied to the stepping motor is used. May be used.

[0058]

As described above, according to the present invention,
A label adsorbing member for adsorbing and holding a label, and a pressing member projecting from the adsorbing member toward a product and pressing the label against the product by moving the same by a single common driving source by different distances. Therefore, both members can be moved with respect to the product with a compact configuration, and the pressing member can be projected from the suction member.

Further, the shaft member and the rotating body respectively supporting these two members are slidable in the direction of the rotation axis, and the adsorbing member and the pressing member are mutually movable with respect to the product as described above. Since it is configured to rotate differently while rotating with respect to the product, the suction member and the pressing member are simultaneously rotated by the same angle by a single common drive source. It is also possible to rotate the entire labeling device,
The configuration is not large and the size is reduced.

[Brief description of the drawings]

FIG. 1 is a front view showing an arrangement position of a label sticking apparatus according to an embodiment of the present invention.

FIG. 2 is a partially cutaway front view showing the internal configuration of the label sticking apparatus.

FIG. 3 is a partially cutaway plan view of the label sticking apparatus.

FIG. 4 is a plan sectional view taken along the line AA in FIG. 2;

FIG. 5 shows a support rod for supporting the label suction head,
FIG. 6 is an enlarged vertical sectional view showing a structure in which a rotary block supporting a push rod is relatively movable in an axial direction and is integrally rotated around an axis.

FIG. 6 is a partially cutaway front view showing a sticking operation by the label sticking apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Label sticking apparatus 10 Main body frame 11 Elevating servomotor 13 Elevating belt 17 Arm member 18 Support plate 20 Support block 23 Double speed belt 24 Connecting arm 27 Support rod 27a Groove 29 Rotating stepping motor 32 Label suction head 33 Fan device 34b Head Lower elliptical opening 36 Rotating block 39 Linear bearing 40 Push rod 42 Bellows member X Product L Label

Claims (2)

[Claims] 1. A label sticker comprising: a label sucking member for sucking and holding a label fed out from a label issuing port; and a pressing member protruding from a label sucking surface of the sucking member and pressing the label against a product for sticking. An apparatus, comprising: a support member that supports the label adsorbing member; a first endless body integrally provided with the support member; and a first winding around which the first endless body is runably wound A traveling mechanism, a drive source for traveling the first endless body of the first traveling mechanism, and a second endless body which is provided integrally with the support member and runs around the first endless body so as to travel in parallel therewith. And a fixing member for fixing a part of the second endless body of the second running mechanism to the main body side. In this second endless body, one of the fixing members is used. Traveling on a different side than the traveling part on which the part is fixed A label sticking apparatus, wherein the pressing member is supported by a portion. 2. The label suction member is provided on a shaft member rotatably supported by a support member about an axis parallel to a running direction of the first endless body, and a rotation source for rotating the shaft member. And the pressing member is rotatably supported by a second support member provided integrally with the second endless body so as to be rotatable around the same axis as the rotation axis of the label suction member. The rotating member is inserted through the rotating member so as to be slidable in the rotation axis direction, and an engaging portion is provided between the rotating member and the shaft member. The label sticking apparatus according to claim 1, wherein the shaft member and the rotating body are integrally rotated when the shaft member is rotated by the rotation source.