JPH0360729B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical field to which the invention pertains] The present invention relates to a device for regulating the container position of a labeling machine in order to affix a label to a predetermined position on the container. In particular, the present invention relates to a device for affixing a label to a predetermined position on a container with a handle.

[Prior Art] Generally, when a label is attached to a container with a handle, the label must be attached at a constant position with respect to the container. For this purpose, it is necessary to always orient the container in a predetermined direction when applying the label. Conventionally, as a positioning device of this type, a device is known that is provided with an engaging arm that engages with the handle of a container, and uses this engaging arm to orient the container in a predetermined direction before pasting the label (Japanese Unexamined Patent Application Publication No. 1983-1991). 73530). However, since the above-mentioned apparatus regulates the container position in front of the labeling mechanism, a mechanism for maintaining the regulated container orientation until the time of labeling is required.

[Object of the Invention] The present invention has been made in view of the above points, and provides a container regulation that can accurately and reliably regulate the position of a container in a predetermined direction and affix a label to a predetermined position on the container. The purpose is to provide a labeling machine with equipment.

[Summary of the Invention] The present invention absorbs a label onto the circumferential surface of a vacuum drum using negative pressure, applies glue to one side of the label, presses the label onto a container, and rotates the container to attach the label to the container. In a labeling machine that applies a label, a concave portion is formed at a predetermined position on the container, and the container conveying means for pressing the label on the circumferential surface of the vacuum drum to the container has a recess at a predetermined position on the container, at least until the label is in pressure contact with the container. The present invention is characterized by comprising means for rotating the container, means for locking the rotating container in a recessed portion thereof and restraining it at a predetermined position, and means for releasing the locking at a position where the label is pressed.

[Explanation based on an embodiment] Next, an embodiment of the present invention will be described in detail based on the drawings.

FIG. 1 is a plan view of a labeling machine including an apparatus according to an embodiment of the present invention. In Figure 1, the machine 10
A label hopper 11 is attached to the top. This label hopper 11 is filled with a large number of labels A vertically. This label hopper 11 is provided adjacent to a stamp drum 12. 13 is a stamping machine. A vacuum drum 14 is provided adjacent to the stamp drum 12. Although not shown, the stamping drum 12 and the vacuum drum 14 are drums that are equipped with a large number of air suction holes on the circumferential surface of the drums, and suck the labels A with negative pressure to pick up the labels A one by one. A stamp such as a date is stamped on the label A by a stamping machine 13 on a stamping drum 12. A glue rubber roll 15 rotates in contact with the circumferential surface of the vacuum drum 14 and applies glue to the label on the drum circumferential surface via a glue pot 16 and a glue roll 17.

Furthermore, a conveyor 20 for transporting the container B with a handle is installed on the edge of the machine stand 10. Machine platform 1 between this conveyor 20 and the vacuum drum 14
A revolving body 21 that conveys the container B to the circumferential position of the vacuum drum 14 is interposed on the vacuum drum 14 . On the supply side of the conveyor 20, a screw 22 and a supply star wheel 23 that rotates in synchronization with the screw 22 and supplies the container B to the revolving body 21 are arranged. Further, on the discharge side of the conveyor 20, a discharge star wheel 24 and a finishing belt mechanism 25 for finishing the attached labels are arranged. 26, 27
is a star foil guide.

A characteristic configuration of the present invention lies in the structure of the revolving body 21. The revolving body 21 rotates around a fixed shaft 28 erected on the machine stand 10. In this example, eight container holders 29 are arranged at equal intervals on this revolving body 21. The container holder 29 is connected to a clutch gear 31 via an air clutch 30, as shown in FIG. This clutch gear 31 meshes with a clutch drive gear 32. The air clutch 30 is also provided with an air intake (not shown), and only when this air intake communicates with the air supply path 40 shown in FIG.
The air clutch 30 is energized to directly connect the container holder 29 and the clutch gear 31. Further, the clutch drive gear 32 is pivotally attached to the fixed shaft 28. A hollow shaft 33 is rotatably fitted into the fixed shaft 28 via a bearing.

Returning to FIG. 1, a regulating claw 34 is swingably provided near the container holder 29. This regulation claw 3
4 is disposed at a position to be hooked into a recess b formed at a predetermined position on the side surface of the container B shown in FIGS. 3 and 4. This regulating pawl 34 is provided at one end of a link lever 35, as shown in FIGS. 4 and 5. An air cylinder 36 is disposed near the other end of the link lever 35. When this air cylinder 36 is energized, the link lever 35 is moved as shown in FIG.
The link lever 35 is rotated about the shaft 37 as a fulcrum, and the regulating claw 34 is moved into the recess b of the container B.
It is designed to be removed from the Also link lever 3
5, when the air cylinder 36 is deenergized, it comes into contact with a link lever stopper 38, as shown in FIG. The air cylinder 36 on the revolving body 21 is
It is energized only when the air inlet/outlet 39 communicates with an air supply path 40 shown in FIG. 6 provided below the revolving body 21.

Returning to FIG. 2, a first support disk 41 is rotatably attached to the upper end of the hollow shaft 33, and a second support disk 42 is rotatably attached to the upper end of the fixed shaft 28. Both support disks 41 and 42 are connected by a side plate 43 so that they rotate together. Further, a sleeve 44 is attached to the first support disk 41 at a position corresponding to the container holder 29, and a spindle 45 is loosely inserted through the sleeve 44. A chuck 47 is attached to the lower end of this spindle 45 via a spring 46. This chuck 47
The container B is held between the container holder 29 and the container holder 29.
Further, a spindle drive cone 49 is attached to the upper end of the spindle 45 via a rod 48. 50 is a cone pusher spring. A spindle drive pulley 51 is rotatably attached to the second support disk 42 so as to face the drive cone 49 . This pulley 51 has the rod 48
is loose, so that the rotation of the pulley 51 is not directly transmitted to the rod 48. This pulley 51
is connected to idler gear 52. This idler gear 52
is meshed with a spindle drive gear 54 via an idle gear 53, as shown in FIG. The spindle drive gear 54 is attached to the fixed shaft 28 .

Returning to FIG. 2, the spindle 44 and rod 48
A holder 56 is fixed to the connection point. An arm 57 is attached orthogonally to this holder 56,
Cam followers 58 are provided at both ends of the arm 57, respectively.
And a guide roller 59 is rotatably attached. The guide roller 59 guides the holder 56 along the long hole 43a of the side plate 43. The cam follower 58 is also driven by a groove 60a of a chuck vertical forcing cam 60 fixed to the fixed shaft 28 and shown in the developed view of FIG. This groove 60a is configured in three stages, and the groove 60a is formed in three stages and is
From the point to the position Q where the vacuum drum 14 comes into pressure contact with the container B, the chuck vertical force cam 6
The chuck 47 grips the upper part of the container B by lowering the cam follower 58 of No.
During this period, the cam follower 58 is moved to the middle position, and the chuck 47 is formed to rotatably hold the upper part of the container B.

The operation of the apparatus of this embodiment having such a configuration will be explained. The handle-equipped container B sent to the supply side of the conveyor 20 moves along the path shown by the arrow in FIG. 26 and transferred to the container holder 29 of the revolving body 21 which rotates synchronously. The container B transferred to the container holder 29 rotates on its axis from point P to point Q in FIG. That is, the cam follower 58 in FIG. 2 moves to point P in FIG. 8 and lowers the spindle 45 to the lowest stage. spindle 4
5 descends to the lowest stage, the chuck 47 fits into the upper part of the container B, and the drive cone 49 comes into contact with the drive pulley 51. At this time, the idler gear 52 revolving around the drive gear 54 is rotating more than the idler gear 53, so the rotational force of the idler gear 52 is transmitted to the spindle 45 via the drive pulley 51 → drive cone 49 → rod 48. death,
Rotate container B in the direction of the arrow in the figure.

When the container B rotates on the container holder 29, the fourth
As shown in the figure, the recess b of the container B is engaged with the regulating claw 34, and the container B is stopped at a predetermined position. When the container B revolves in this state and reaches the pressure contact position Q, the cam follower 58 shown in FIG. 2 moves up to the middle position and raises the spindle 45. This spindle 45
As the drive cone 49 rises, rotational force is no longer transmitted to the spindle 45, and
A chuck 47 rotatably holds the top of container B. At the same time, the air intake port of the air clutch 30 and the air cylinder 3 are connected to the air supply path 40 in FIG.
The air inlets and outlets 39 of No. 6 communicate with each other. As a result, the air clutch 30 is energized and the clutch gear 31 rotates around the drive gear 32.
9 rotates in the opposite direction to the previous direction of rotation, and the air cylinder 36 is energized, so that the regulating claw 34 is removed from the recess b of the container B, as shown in FIG.

As a result, a label coated with glue by the glue roll 15 and the glue rubber roll 17 on the circumferential surface of the vacuum drum 14 is pasted from a predetermined position on the outer circumferential surface of the container B at the pressing position Q. The labeled container B is rotatably held at its upper part by a chuck 47 and revolves, is sent to the discharge side of the conveyor 20 by the discharge star foil 24 and the star foil guide 27, and is labeled by the finishing belt mechanism 25. After the pasting is completed, it is transferred to the next conveyor line.

[Effects of the Invention] As described above, according to the present invention, a container fixed in a predetermined direction with respect to a label pasting position by a regulating claw can be actively rotated by removing the regulating claw when pasting a label. By configuring this, it is possible to accurately and reliably affix a label to a predetermined position on a container. In particular, according to the present invention, labels extending all around the container can be printed without leaving any unattached areas.
It has excellent effects and can be applied accurately.

[Brief explanation of drawings]

Fig. 1 is a plan view of a labeling machine including a device according to an embodiment of the present invention, Fig. 2 is an enlarged front view of the main part of its revolving body, Fig. 3 is a front view of a container, and Figs. 6 is a plan view showing the air supply hole of the air cylinder, FIG. 7 is a plan view of the spindle drive gear, and FIG. FIG. 3 is a developed view of a chuck vertical force cam. A: Label, B: Container with handle, 10: Machine base,
14: Bakyum drum, 15: Glue rubber roll,
17: Glue roll, 21: Revolutionary body, 28: Fixed shaft,
29: Container holder, 31: Clutch gear, 32:
Clutch drive gear, 33: hollow shaft, 34: regulating pawl, 36: air cylinder, 41: first support disk,
42: second support disk, 45: spindle, 47:
Chuck, 49: Spindle drive cone, 5
1: Spindle drive pulley, 52: Idle gear, 53: Idle gear, 54: Spindle drive gear, 58: Cam follower, 60: Chuck vertical force cam.

Claims (1)

[Claims] 1. A vacuum drum that rotates by absorbing the label on its circumference using negative pressure, a glue roll mechanism that applies glue to one side of the label on the periphery of the vacuum drum, and a glue roll mechanism that applies glue to one side of the label on the periphery of the vacuum drum. In a labeling machine, the container is placed in a predetermined position. A recess is formed in the container, and the conveying means includes a rotation means for rotating the container until it reaches at least a pressure contact position of the label, and a restraining means for locking the rotating container in the recess and restraining it at a predetermined position. A labeling machine with a container position regulating device, comprising a release means for releasing the suppression of the suppression means at the pressure contact position of the label.