JPH0567481B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an article packaging device for packaging articles such as bottles and cans on a conveyance line.

(Prior Art) The conventional article packaging apparatus is shown in FIGS. 8 to 13.
This will be explained using figures. Box b as shown in Figure 13
To explain the case where a plurality of bottles a (articles) are packed in a staggered arrangement, each bottle a conveyed by the article conveyor 1 is arranged in a plurality of rows by a plurality of vertical guides 2, Passing board 3 pushed by a bottle
is pushed onto the moving table 4 and stopped by the stopper 5.

As shown in FIGS. 9 to 12, each bottle a on the movable table 4 has a plurality of groups of rails 4a and a plurality of groups of guide plates 4b on the movable table 4, so that each bottle head is placed in the first position.
When a predetermined number of bottles a are placed on the movable table 4 in a staggered arrangement as shown in FIG. It is advanced directly below the group of grippers 10a of the grip block 10 and is separated from the following bottle, so that the bottle pressure is eliminated (see FIG. 8).

On the other hand, the grip block 10 is mounted on a mounting base 11.
A lifting device 13 is fixedly installed on the lower side of the packaging device and is attached to the main body 12 of the packaging device so that it can be lifted and lowered by an appropriate mechanism.
The mounting base 11, together with the grip block 10 and gripper 10a group, is controlled appropriately by the lifting/horizontal moving mechanism 13, 14, 15, which is composed of a horizontal moving vehicle 15 that moves horizontally on the rail 14 of the lifting device 13. Elevation and horizontal movement are controlled by a mechanism,
When the movable table 4 is placed directly below, the gripper group 10a is lowered by the lifting/horizontal movement mechanism, grasps the heads of the bottles a group on the movable table 4, rises, and conveys them by horizontal movement (advancement). , the bottle a is lowered onto the box b of the box conveyor 20, and the bottle a is guided by the tipping device 21, inserted into the box b, and released and packed into the box. 22 in the diagram
is a box guide.

When the box packing is completed, the gripper group rises, moves horizontally (retreats) and returns above the bottle gripping position, and the cap device 21 returns to the upward position, and the box conveyor 20 is driven to carry out the box containing the bottles. new box b
is placed directly below the advance deposit device 21. Before the return of the gripper group, the movable table 4 returns and places a new group of bottles a on it and is placed directly below the gripper group, starting the next cycle.

(Problems to be Solved by the Invention) In the conventional boxing device, the following articles (bottles) forcefully push the articles onto the rail group on the moving platform and between the guide plate groups, causing the articles to tilt relative to each other. Because of this, the items are easily damaged, and the number of subsequent items decreases before the packaging is finished, resulting in insufficient force to push the items onto the moving table, making it impossible to line up the group of items on the moving table. Manual packaging will be required.

Furthermore, when changing the format to change the arrangement of items in boxes, etc., it requires many methods and time, such as replacing the moving table with a complicated mechanism, resulting in high costs and the pushing force of the articles onto the moving table. There are problems such as the need for installation space as the article transport conveyor becomes longer and more secure.

(Means for Solving Problems) The present invention is an article packaging device for solving the above-mentioned problems, in which the tip of a plurality of article rows aligned with a vertical guide is placed at the tip of an article conveyor. By providing a plurality of article stoppers with protruding arm stoppers that create transport steps for articles, it is possible to arrange articles in a staggered manner on the tip of the article conveyor, and the loading and unloading mechanism is moved by a lifting/horizontal movement mechanism. By interposing a horizontal rotation mechanism between the stand and the grip block, it is possible to grip the staggered arrangement of articles with the grippers of the grip block, and to pack the articles into the boxes on the box conveyor, thereby achieving the above-mentioned results. Problems are resolved.

(Function) Each article conveyed by the article conveyor is fed onto the leading end in the form of a plurality of article rows by a vertical guide, and is transferred to the leading end of the plurality of article rows by each protruding arm stopper of the article stopper. is attached and stopped, and a group of articles is arranged in a staggered manner on the tip of the article conveyor. No particular pressing force is applied to each item in the array, reducing damage.

Further, by means of a horizontal rotation mechanism, a group of grippers together with a grip block are rotated to face the group of articles in the staggered arrangement, grip and convey the group of articles, and are rotated to face the boxes on the box conveyor. and then packed in boxes.

(Embodiment) An embodiment of the present invention is shown in Figs. 1 to 7, in which 1 is an article conveyor, a is an article conveyed by the article conveyor 1 and arranged on the tip, 12 1 is the packaging device main body, 13 is the packaging device main body 1
Reference numeral 2 is a lifting device which is mounted so as to be able to be raised and lowered by an appropriate mechanism (not shown); 15 is a horizontal moving vehicle mounted on the rail 14 of the lifting device 13 and horizontally moved by an appropriate mechanism (not shown); 11 is a horizontal moving vehicle; Horizontal moving vehicle 15
10 is a grip block having a group of grippers 10a connected to the mounting base 11; 20 is a box conveyor for conveying boxes b; 21 is a conveyor for transporting boxes b directly above the boxes b; The gripper 10a group of the grip block 10, which is moved by the lifting/horizontal movement mechanisms 13, 14, 15 and attached to the mounting base 11, is lifted/lowered and horizontally moved. Accordingly, the articles a arranged on the tip of the article conveyor 1
The group is suspended and conveyed, and is boxed into boxes b on a box conveyor 20 via a pre-depositing device 21.

Further, the article a transported by the article conveyor 1
Specifically, as shown in FIG. 2, the conveyance and arrangement mechanism is such that the articles a are aligned by a plurality of vertical guides 31 installed vertically on the article conveyor 1, and are sent onto the leading end in a plurality of article rows. An article stopper 3 having a plurality of protruding arm stoppers 32 corresponding to the number of article rows is provided on the tip side of the article conveyor 1.
3 is replaceably fixed to the mounting member 34 with bolts 35, etc., and each protruding arm stopper 32 of the article stopper 33 has a different length for each article row as shown in FIG. A transport step is provided at the leading edge of the conveyor 1, and a group of articles a are arranged in a diagonal staggered manner on the leading edge of the conveyor 1, as shown by the hatches in the figure.

Further, the grip block 10 is connected to the mounting base 11 through a horizontal rotation mechanism, and the horizontal rotation mechanism will be described in detail as shown in FIGS. A cradle 41 is fixedly installed, a cylindrical holder 42 is erected on the cradle 41 with bolts, etc., and a shaft 44 erected with bolts or the like on the cradle 43 of the grip block 10 is rotated into the cylindrical holder 42. The grip block 10 is freely supported by bearings 49, 49 and fitted with a nut 46, a retaining ring 47, and a washer 48, and the grip block 10 is rotatably supported in a horizontal plane with respect to the mounting base 11 via a shaft 44. An air cylinder 45 is connected with a pin between the mounting base 44a and the bracket 44b on the side of the pedestal 43, and the mounting base 1
1, the grip block 10 is the gripper 10a.
It is configured to be horizontally rotated along with the group.

Note that the grip block 10 is detachably attached to, for example, a receiving plate 43 and can be replaced.
0a group is attached, and each grip 10
A is a known mechanism which is attached to the lower part of the rod so that it can be tilted within an appropriate range and allows the head of the article to be easily gripped and released.

In addition, as shown in FIG.
It is also possible to change the packaging mode by fixing an article stopper 33a having a plurality of protruding arm stoppers 32a of equal length to the attachment member 34 with bolts 35 or the like on the front end side of the article stopper 33a.

The embodiment of the present invention has the above-mentioned configuration, in which each article (bottle) a conveyed by the article conveyor 1 is arranged in a plurality of article rows by a plurality of vertical guides 31, and the leading end When the article reaches the top of the article stopper 33, the protruding arm stoppers 32 of the article stopper 33 stop the articles at the tip with a transfer step, resulting in an arrangement as shown in FIG.

That is, the group a of articles indicated by hatching is arranged in a staggered arrangement, rotated by a horizontal angle θ° with respect to the conveyance direction of the article conveyor 1.

The arrangement of the group of articles is detected by an appropriate mechanism, and the grip block 10 is lowered together with the group of grippers 10a by the elevating/horizontal moving mechanisms 13, 14, 15, and the grip block 10 is moved to the air cylinder 45 of the horizontal rotation mechanism. The gripper 10a of the grip block 10 is then horizontally rotated.
The group is horizontally rotated by a horizontal angle θ° as indicated by the chain line A in FIG. Grasp the head of. When gripped, the article transport conveyor 1 is stopped, the article stopper 33 is separated from the group of articles, and the mutual pressing pressure between the articles is eliminated.

The grip block 10, together with a group of grippers 10a gripping a group of articles, has an elevating/horizontal moving mechanism 1.
3, 14, and 15 to suspend the group of articles, and then transport them by horizontal movement (advance) to the box conveyor 20.
reaches above box b, and is lowered towards box b. The grip block 10 is moved to the fifth position by an air cylinder 45 of a horizontal rotation mechanism together with the gripper 10a group.
As shown by the solid line in the figure, the horizontal angle is reversely rotated by θ°, and the arrangement is made to correspond to box b.

The group of articles gripped by the descending group of grippers 10a is accurately inserted into the box b on the box conveyor 20 by the guidance (lowering) of the tipping device 21, released from each gripper 10a, and packed in a box. The group has a lifting/lowering/horizontal movement mechanism 1 along with a grip block.
At steps 3, 14, and 15, the article is raised, horizontally moved (reverse), and returned to the article conveyor 1.

After the articles are gripped and lifted by the grippers, the article conveyor 1 is driven, and the article stopper 33 arranges the staggered articles on the tip of the conveyor 1, and the articles are placed in the box b. When the group of articles is packed into boxes and the gripper group and tipping device are raised, the box conveyor 20 is driven, the boxed box b is carried out, and a new box is placed directly under the tipping device, and the next cycle begins. is started. Each of the above operations is sequentially controlled by an appropriate control device (not shown).

The above explanation is for the case where a group of articles a are packed in a staggered arrangement in a box b as shown in FIG. 13, but as shown in FIG. By replacing and attaching the article stopper 33a having the long protruding arm stopper 32a with the bolt 35, etc., it is possible to arrange a group of articles arranged in front and back, left and right parallel to each other on the tip of the article conveyor 1, and to correspond to the same arrangement. By replacing the grip block with a grip block having a gripper group, it can be simply and easily rearranged for packaging a group of articles in the arrangement (see FIG. 7). In such packaging, the horizontal rotation mechanism serves for fine adjustment of the placement of the grippers relative to the arrayed articles.

Note that each protruding arm stopper 32 of the article stopper 33 is adjusted in accordance with the cross-sectional shape (diameter, etc.) of the article.
The height difference will be changed.

(Effects of the Invention) The present invention has the above-mentioned configuration, and is provided with a plurality of protruding arm stoppers at the tip of the article conveyor to provide a transfer step to the tip articles of a plurality of article rows aligned by vertical guides. By providing article stoppers opposite to each other, articles are arranged in a staggered arrangement on the tip of the article conveyor, and no special pressing force is applied to each article in the arrangement, thereby significantly reducing damage. It is also possible to arrange the items before packaging is completed, which greatly improves the product arrangement performance.Furthermore, the horizontal rotation mechanism interposed between the grip block and the mounting table, which is moved by the lifting/horizontal movement mechanism, allows the grip block to be easily arranged. At the same time, a group of grippers can be horizontally rotated to grip the staggered article group on the tip of the article conveyor, and horizontally rotated in the opposite direction to box the article group in a box of a box conveyor; In addition, the packaging mode can be easily changed by replacing the article stopper and the grip block, which have a simple mechanism.
Packing performance has been significantly improved.

Although the present invention has been described above with reference to embodiments, it goes without saying that the present invention is not limited to such embodiments, and that various design modifications can be made without departing from the spirit of the present invention. .

[Brief explanation of the drawing]

Fig. 1 is an overall front view of the mechanism showing an embodiment of the present invention, Fig. 2 is an enlarged plan view of the - part in Fig. 1, and Fig. 3 is an enlarged side view of the mechanism as seen in Fig. 1. , FIG. 4 is a vertical sectional view of the - part in FIG. 3, FIG. 5 is a plan view showing the horizontal rotation state of the grip block, FIG. 6 is a plan view showing the normal arrangement of articles, and FIG. 7 is the same arrangement. Fig. 8 is a front view of the entire front mechanism of the conventional example, Fig. 9 is a side view of the moving platform of Fig. 8, Fig. 10 is a plan view of Fig. 9, and Fig. 11 is a plan view showing the packed state. FIG. 12 is a cross-sectional view of the negative part in FIG. 10, FIG. 13 is a plan view of the box in a staggered arrangement. a...article, b...box, 1...article conveyor, 10...grip block, 10a...gripper, 11...mounting table, 13, 14, 15...lifting/horizontal movement mechanism, 31...vertical Guide, 32,3
2a...Protruding arm stopper, 33, 33a...
Article stopper, 41-48...Horizontal rotation mechanism.

Claims (1)

[Claims] 1. A group of articles placed at the tip of an article conveyor is suspended and conveyed by a group of grippers of a grip block attached to a mounting base that is transferred by an elevating/horizontal movement mechanism. In the article packaging device for packing into boxes, article stoppers with a plurality of protruding arm stoppers are provided oppositely at the tip of the article transport conveyor to provide a transfer step for the articles at the tip of the plurality of article rows aligned by vertical guides; An article packaging device characterized in that a horizontal rotation mechanism for horizontally rotating the grip block is interposed between the mounting base and the grip block.