JPH0624331Y2 - Automatic label machine - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention automatically attaches a label to a large and heavy cylindrical container such as a drum can filled with radioactive waste generated in a nuclear power generation facility or the like. It relates to an automatic label machine used in.

[Conventional technology]

Recently, in nuclear power generation facilities, the number of drums filled with radioactive waste has increased.
In order to store the contents separately according to the degree of contamination, red,
There is a tendency that a color band label (tape) is selected in categories such as orange, white, and no label and attached at a predetermined position for identification display, and a factory number, a production number, etc. are printed on a character label and attached.

[Problems to be solved by the invention] Conventionally, the work of attaching a color band label or the like to a drum filled with the radioactive waste is described in Japanese Utility Model Publication No. 59-24645 and Japanese Utility Model Publication No. 61-107709. However, since these devices merely place the drum can on the rotary table and rotate it, the drum can rotates eccentrically and the color band label is evenly applied around the drum can. I can't. In addition, the label sticking work place and the label making and supplying place are separated by a partition wall, and moreover, the labels are set one by one at the above place and moved to the label sticking work place. The sex is declining.

The present invention has been developed in view of the above-mentioned existing state of the art, and the purpose thereof is to enable uniform and efficient application of labels, and to make the label application mechanism compact and to achieve a large number of labels. It is intended to provide an automatic label machine that can eliminate the need for replacement work.

[Means for Solving the Problems] In order to achieve the above object, the present invention is mounted on a rotary base so as to be two-dimensionally slidable in a horizontal plane, and is returned and held at the center of the rotary base by a return spring. A rotary table supported via a double slide is provided, and a fixed roller and a pushing roller arranged around the upper part of the rotary table are provided. A cylindrical container carried on the rotary table is fixed by the pushing roller. Centering rotation mechanism is driven by pushing it toward the center and is driven to rotate in this state, and it can be moved up and down through a vertical movement mechanism that is arranged around this centering rotation mechanism and is common to one column. Combined with various types of label sticking mechanism, which is supported in a multi-step manner and selectively sticks a predetermined label to a predetermined position of a cylindrical container carried on a rotary table. It was made.

[Operation] According to the present invention, the cylindrical container carried on the rotary table is pushed toward the fixed roller by the pushing roller to perform centering, and in this state, the cylindrical container is rotated with respect to the label attaching mechanism. It is possible to rotate the shaped container while maintaining a fixed positional relationship, which allows
The label can be evenly attached in a circumferential direction at a predetermined position of the cylindrical container. In addition, a predetermined label can be selectively selected from a wide variety of labels and can be automatically attached, so that label replacement work can be eliminated.

〔Example〕

FIG. 1 is a plan view of the entire automatic label machine of the present invention, and FIG.
The figure is a right side view of the same, FIG. 3 is an enlarged plan view of the label attaching mechanism, FIG. 4 is an enlarged front view of the label attaching mechanism, and FIG. 5 is a side view thereof. Is a cylindrical container such as a drum, (B) is a centering rotation mechanism,
(C) shows a label attaching mechanism, and (D) shows a character label attaching mechanism.

The details of the centering rotation mechanism (B) will be described later, but the outline thereof includes a rotary table (1) for rotationally driving the cylindrical container (A) in a centered state.

As shown in FIG. 5, the label sticking mechanism (C) is vertically movable and supported in multiple stages via a vertical moving mechanism (3) common to one column (2), and the rotary table (1). A predetermined label is selectively selected and affixed to a predetermined position of the cylindrical container (A) carried in above.

The vertical movement mechanism (3) includes a motor (3a) capable of normal and reverse rotation, a screw shaft (3b) that rotates forward and reverse by the motor (3a), and a plurality of nut members screwed to the screw shaft (3b). (3c), and the label attaching mechanism (C) is connected to each nut member (3c).

Both ends of the screw shaft (3b) are rotatably supported by a support frame (4), and a column (1) is fixed to the support frame (4) in parallel with the screw shaft (3b). 3a) is installed on top of the support frame (4).

Each labeling mechanism (C) is composed of the same mechanism,
Explaining one of the configurations, it has an elevator (5) connected to each of a plurality of nut members (3c) screwed to a screw shaft (3b), and the elevator (5) is attached to a column (1). It is supported so as to be vertically slidable via a guide cylinder (6) having a slide bearing.

As shown in FIG. 3, a tape roll (7) for color band label, a separating edge (8), a cutter (9), a mount take-up roller (10), and a guide roller are mounted on the lift table (5). (1
1), a tape feed roller (12), a drive motor (13), a pressure roller (14), a cylinder (15), etc. are installed in a predetermined arrangement.
First, on the tape roll (7), a long strip of paper (7a) coated with a release agent is wrapped with a color band label (7b) coated with an adhesive in a bonded state. (11)
Through the separation edge (8), where the color band label (7b) is separated from the mount (7a), and the mount (7a) is appropriately separated from the tape feed roller (12) to the mount take-up roller. I'm trying to make it wind up in (10).

The tape feed roller (12) and the mount take-up roller (10) are synchronously driven by the drive motor (13) in synchronization with the rotary table (1). The tip of the separation edge (8) has an acute angle,
By making a U-turn on the mount (7a) at this part, the mount
The color band label (7b) is automatically peeled from the (7a), and the separation edge (8) is provided at a position close to the rotary table (1) on the lifting table (5). In front of the edge (8), the color band labels (7b) separated by the edge (8) are attached to the cylindrical container (A) on the rotary table (1).
A crimping roller (14) for crimping is provided on this crimping roller (14)
Can be contacted and separated by the cylinder (15) toward the cylindrical container (A) on the rotary table (1).

The sticking of the color band label (7b) is performed by detecting the label sticking reference position mark (for example, a radiation mark) applied to the cylindrical container (A) and sticking the color band label (7b) at a predetermined position.
b) is sent out, the pressure roller (14) protrudes at the pasting position, and the tip of the color band label (7b) is pressed against the cylindrical container (A) so that the color band label (7b) rotates. The color band label (7b) is surely transferred because the pressure roller (14) continuously presses the color band label (7b) onto the cylindrical container (A) while being fed out synchronously by (A). It is attached to a cylindrical container (A). When fed out for a predetermined length, the cutter (9) is actuated by a cylinder (not shown) to cut the color band label (7b) at a position immediately after the separating edge (8).

Also, when the color band label (7b) cut by the cutter (9) is fed next to the separation edge (8), immediately after being separated from the mount (7a) by the separation edge (8). In order to adjust the posture of the color band label (7b), an air blow nozzle (8a) for blowing air toward the pressure roller (14) side is provided. The air blow nozzles (8a) may be provided individually in each label attaching mechanism (C) or may be provided in common.

Each label attaching mechanism (C) has the same structure as that described above, but the color of each color band label (7b) is different.

When the classification of the degree of contamination of the contents of the cylindrical container (A) is transmitted from the previous process, the label sticking mechanism (C) with the color band label (7b) of the corresponding color moves up and down. The mechanism (3) indexes the cylindrical container (A) at a predetermined labeling position. As an example of this indexing mechanism, a sensor (16) is attached to a part of the lift table (5) of each label sticking mechanism (C), and corresponding to this, the fixed position of the support frame (4), that is, As shown in FIG. 4, a dog (17) is attached to a position corresponding to the labeling position of the cylindrical container (A) on the rotary table (1), and the lifting platform of the corresponding labeling mechanism (C) is installed. When the label is attached to the predetermined position, the sensor (16) of the lift table (5) detects the dog (17) to stop the vertical movement mechanism (3).

Next, the configuration of the character label attaching mechanism (D) will be described.

The character label attaching mechanism (D) is configured to attach the label to the cylindrical container (A) while printing the factory number and other identification indications. The printer body (18) includes a label roll (19) and a backing roll. Take-up roll (20), thermal head (21), transfer ribbon (2
2), transfer ribbon take-up roll (23), etc. are stored, and mount (19a)
Labels (19b) attached at equal intervals are fed out by one pitch, predetermined printing is performed at the position of the thermal head (21), separated from the mount, and conveyed by the label feeding conveyor (24) to the rotary table ( 1) The upper cylindrical container (A) is moved to a predetermined position, and its tip is pressed against the cylindrical container (A) by a pressing roller (25). The label (1
9b) is a pressure roller (25) that is pressed against the label feeding conveyor (24) by the air blown from the air blow nozzle (26) provided along the label feeding conveyor (24).
Is sent to the position. When the tip of the label (19b) is pressure-bonded to the cylindrical container (A) by the pressure roller (25), the cylindrical container (A) rotates to pull out the label (19b). Then, the pressure roller (25) presses the label (19b) against the cylindrical container (A) during that time, so that the sticking is surely performed.

Next, the configuration of the centering rotation mechanism (B) will be described.

FIG. 6 is a plan view of the centering / rotating mechanism (B), FIG. 7 is a side view thereof, and FIG. 8 is a plan view of a compound slide portion.
In these figures, (1) is a rotary table, (27) is a fixed roller, and (28) is a pushing roller.

The rotary table (1) is freely movable in a two-dimensional direction on a rotary base (30) that is rotatably mounted on a fixed frame (29), and return springs (31) (31 ') (32). ) (32 '), it is mounted via a compound slide (33) which is biased and supported so that it is always held in the neutral position.

The rotation base (30) has a ring gear (34) on the outer circumference, and a pinion (35) meshing with the ring gear (34) is integrally connected to a motor (36), and by the motor (36), Pinion (3
The rotation base (30) is rotationally driven via the ring gear (34) and the ring gear (5).

The compound slide (33) has an Oldham type structure and has an X-direction slide (33a) and a Y-direction slide (33b), and the X-direction slide (33a) is on the rotary base (30) in the X-direction. A guide groove (33c) formed along the guide groove and a guide protrusion slidably fitted in the guide groove (33c) via a ball slide (not shown).
(33d) and. The Y-direction slide (33b) is a guide protrusion (not shown) slidably fitted into a guide groove (33e) formed along the Y-direction on the X-direction slide (33a) via a ball slide (not shown). 33f). And slide in X direction
At both ends of the sliding direction of (33a), return springs (3g) are provided via brackets (33g) and (33h) which are erected from the rotation base (30).
(1) and (31) are installed opposite to each other so that the X-direction slide (33a) is held at the neutral position in the X-direction on the rotary base (30). Also, at both ends in the sliding direction of the Y-direction slide (33b), brackets (33i) erected from above the rotation base (30).
Return springs (32) and (32 ') are installed opposite to each other via (33j) so that the Y-direction slide (33b) is held at a neutral position in the Y-direction with respect to the rotary base (30). .

The fixed roller (27) is provided around the rotary table (1) at two positions on a concentric circle from the center of rotation of the rotary base (30), the support columns (37) (37) standing from the fixed frame (29) and the Cylindrical container (A) is rotatably arranged via brackets (38) (38) attached to columns (37) (37) and abuts at two circumferential positions on the outer peripheral surface of the cylindrical container (A). Is to be positioned and held concentrically with the rotary base (30), and is installed at two places above and below the columns (37) (37) at two places on the left and right.

The pushing roller (28) is installed on the fixed frame (29) so as to be movable toward and away from the fixed roller (27) toward the center of the rotary base (30), and is carried on the rotary table (1). The cylindrical container (A) is pressed against the fixed roller (27) by contacting the outer circumferential surface of the cylindrical container (A) at two positions in the circumferential direction. ) (39) has push rollers (28) (28) rotatably supported at its tip.The rotary arms (39) (39) are fixed to the rotary shafts (40) (40). (40) (40) is rotatably supported by the columns (41) (41) erected on the fixed frame (29) via brackets (42) (42), and the rotary shafts (40) (40) The drive levers (43) (43) fixed to the lower end of the cylinder are reciprocally rotated by the fluid pressure cylinders (44) (44) installed on the fixed frame (29).

The embodiment of the automatic label machine of the present invention has the above-mentioned configuration, and its operation will be described below.

The cylindrical container (A) is loaded onto the turntable (1) by a robot (not shown). Subsequently, the fluid pressure cylinders (44) (44) are extended to rotate the rotary shafts (40) (40) via the drive levers (43) (43). This allows the rotation axis (4
The push-in rollers (28) and (28) move toward the inside through the rotary arms (39) and (39) fixed to the upper and lower two places of the (0) (40) to fix the cylindrical container (A) to the fixed roller (27). ) (27) Press to center. At this time, the double slide (33) smoothly and smoothly moves the cylindrical container (A) in the centering direction. As a result, the cylindrical container (A) does not fall and the rotating base (3
(0) is centered concentrically, the motor (36) rotates, the rotary base (30) rotates via the pinion (35) and ring gear (34), and the double slide (33) and rotary table ( 1) The cylindrical container (A) rotates integrally. Cylindrical container (A)
Is pushed by the pushing rollers (28) (28) and the fixed rollers (27) (27) so as to be centered concentrically with the rotation base (30),
There is no rotational shake, and during this rotation, the label attachment mechanism (C)
The predetermined color band label (7b) is attached at a predetermined position of the cylindrical container (A) by the character label attaching mechanism (D) at the same time as the character is attached at a predetermined position on the outer peripheral surface of the cylindrical container (A). The label (19b) is attached.

After applying the label, the fluid pressure cylinders (44) (44) will contract,
The rotating shafts (40) (40) are reversely rotated through the drive levers (43) (43). As a result, the pushing rollers (28) (28) are passed through the rotating arms (39) (39) fixed to the upper and lower two places of the rotating shafts (40) (40).
Moves away from the outside. Along with this, double slide (3
The return springs (31) (31 ') (32) (32') of 3) return the compound slide (33) to the neutral position, and the cylindrical container (A) on the rotary table (1) is moved to the carry-in position. return. Then, the robot carries out the cylindrical container (A) to which the label has been attached. The next cylindrical container (A) is turned by the robot on the rotary table (1).
It is carried on and the above operation is repeated.

The above-mentioned example shows an example suitable for attaching a label to a drum filled with radioactive waste generated in a nuclear power generation facility or the like, but if the object is a cylindrical container shape,
It can be applied to various purposes.

The drive system of the push-in rollers (28) (28) is not limited to the rotary arm system, and may be a linear movement system and may be implemented by only one set.

Further, the number of the label sticking mechanisms (C) can be set to a large number, and instead of the label, a coating roller for applying paint of various colors, a brush, a spray gun, or the like may be provided. Good. Therefore, in the present invention, the label includes tape-shaped ones and paints of various colors, and the label attaching mechanism (C) is a strip-shaped paint of various colors in addition to the embodiment shown in the drawings. It should be understood that it also includes a means for applying to.

[Effect of device]

According to the present invention, the cylindrical container loaded on the rotary table is pushed by the pushing roller toward the fixed roller to perform the centering, and in this state, it is rotationally driven, so that the cylindrical container is attached to the labeling mechanism. The container can be rotated while maintaining a fixed positional relationship, whereby the label can be evenly applied in the circumferential direction at a predetermined position of the cylindrical container. Also, since various types of label attachment mechanisms are attached to one column so that it can be moved up and down, the whole structure can be made compact, and the required label can be selected and automatically indexed to the predetermined position of the cylindrical container. The label can be attached by using the label, and it is not necessary to replace the label each time, and automation and labor saving of this kind of work can be achieved.

[Brief description of drawings]

FIG. 1 is an overall plan view of the automatic label machine of the present invention, FIG. 2 is a right side view thereof, FIG. 3 is an enlarged plan view of a label sticking mechanism, and FIG. 4 is an enlarged front view of a label sticking mechanism. 5 is a side view thereof, FIG. 6 is a plan view of the centering / rotating mechanism, FIG. 7 is a side view thereof, and FIG. 8 is a plan view of a double slide portion. (A) …… Cylindrical container, (B) …… Centering rotation mechanism, (C) …… Labeling mechanism, (1) …… Rotary table, (2) …… Post, (3) …… Up and down movement Mechanism, (3a) …… motor, (3b) …… screw shaft, (3c) …… nut member, (5) …… elevator, (7) …… tape roll, (7b) …… color band label.

Claims (1)

[Scope of utility model registration request] 1. A rotary table mounted on a rotary base so as to be two-dimensionally slidable in a horizontal plane and supported by a double slide that is returned and held at the center of the rotary base by a return spring, It is equipped with a fixed roller and a push-in roller arranged around the upper part of the rotary table, and the cylindrical container carried on the rotary table is pushed toward the fixed roller by the push-in roller to perform the centering and rotate in this state. A centering rotation mechanism to be driven, and a cylinder that is arranged around this centering rotation mechanism, is vertically movable through a vertical movement mechanism common to one column, is supported in multiple stages, and is loaded onto a rotary table. An automatic label machine comprising a combination with various kinds of label sticking mechanisms adapted to selectively stick a predetermined label to a predetermined position of a shaped container.