JPH0718562Y2 - Tube automatic alignment box packing device - Google Patents

Description

[Detailed description of the device] << Industrial application field >> This device is an automatic boxing system that aligns the molded tube bodies and packs them when transferring the tube bodies molded by the toothpaste tube molding manufacturer to the toothpaste filling manufacturer. Regarding the device.

<Prior art and its problems> Conventionally, tube bodies formed by tube molding manufacturers were manually packed in boxes while aligning them in a predetermined posture. However, there was a problem that it was slow and the work efficiency was poor.

It is an object of the present invention to provide an apparatus for automating the work of aligning and storing the molded tube bodies in the tube storage box, focusing on such a point.

<< Means for Solving the Problem >> In order to achieve the above-mentioned object, the present invention provides an aligning device 5 for aligning a tube body 2 formed with one end open in a predetermined posture, and aligning on the aligning device 5. Tube body 2
And a tube transfer device 6 for transferring the tube holder 3 to the storage box 3, and the tube holder 11 is formed by a long rod 14 that can be inserted into the internal cavity of the tube body 2. The tube transfer device 6 is configured by being fixed to the tip of the arm 10, the plate-like pad 15 is provided at the tip of the rod 14, and the edge portion of the pad 15 is configured to be able to contact the inner peripheral surface of the tube. An air discharge path 12 through which compressed air passes is formed inside the rod 14, an air suction path 13 for sucking air is formed at the axial center of the rod 14, and an air suction port 16 opened at the center of the pad 15 is formed. Connect to the air suction path 13 and connect the rod 14
A plurality of air ejection holes 17 opened on the peripheral surface of the rod are arranged at equal intervals in the circumferential direction of the peripheral surface, and the air ejection holes 17 are communicated with the air discharge passages 12, respectively, and the compressed air from the rod 14 is compressed. Is configured to be capable of being ejected radially, and the robot arm 10 is actuated on the tube bodies 2 aligned on the aligning device 5 so that the tip of the rod 14 is rushed and moved along the axis of the tube body 2. It is characterized by being configured in.

<Operation> The present invention operates as follows, as shown in FIGS. 1 to 3, for example.

When the robot arm 10 operates, the rod 14 of the tube holder 11 projects into the in-tube cavity along the axis of the tube body 2 aligned on the alignment device 5 in a predetermined posture. At this time, each air ejection hole opened on the peripheral surface of the rod 14
When the compressed air is radially ejected from 17, the axial pressure of the ejected air pressure causes the axial center of the rod 14 and the axial center of the tube body 2 to coincide with each other.

When the edge portion of the pad 15 contacts the inner peripheral surface of the tube body 2, the air in the closed space formed by the inner peripheral surface of the tube body 2 and the pad 15 sucks air in the central portion of the pad 15. The tube body 2 is sucked from the mouth 16 and the tube body 2 is roded by the negative pressure.
Held at 14.

After that, the robot arm 10 moves the tube holder 11
Is moved to the storage box 3 and the suction of air from the air suction port 16 is blocked, so that the tube body 2 is stored in the storage box 3 while being left behind.

<< Embodiment >> A drawing shows an embodiment of the present invention. FIG. 1 is a schematic perspective view of the whole, FIG. 2 is a sectional view of a main portion taken out, and FIG.
It is a sectional view taken along the line I-III.

This automatic boxing device (1) is a tube storage box (3) with a resin-molded toothpaste tube (2) in an upright position.
And an arm elevator (4) for receiving the tube body (2) which is molded by an unillustrated molding machine and has one end opening which is blown out by air, and the tube body released from the arm elevator (4). An aligning device (5) for aligning and transporting (2), a tube transfer device (6) for extracting a predetermined number of tube bodies (2) aligned by the aligning device (5), and a tube transfer device (6). And a storage box mounting base (7) for supporting the storage box (3) for storing the tube body (2) conveyed in (1) in an upright posture.

The tube transfer device (6) pivotally supports a robot arm (10) capable of expanding and contracting on the upper end of a post (9) formed so as to be rotatable with respect to a base (8) so that the robot arm can be swung up and down. A tube holder (11) is rotatably fixed to the tip of (10). The tube holder (11) is composed of a plurality of tubular rods (14) each having an air discharge passage (12) and an air suction passage (13), and a pad that contacts the tip of each tubular rod (14). (15) is formed. An air suction port (16) is opened at the center of the pad (15), and the air suction passage (13) is communicated with the air suction port (16). Further, a plurality of rows of air ejection holes (17) are opened at appropriate intervals in the circumferential direction on the peripheral surface of the tubular rod (14), and the air ejection passages (12) are communicated with the air ejection holes (17). There is.

Also, the robot arm (10) of the tube transfer device (6)
Has a structure in which two rocking actuators (20) are attached to the piston part (19) of the telescopic actuator (18), and one rocking actuator (20) is formed so as to be able to rock vertically around a horizontal axis. The other swing actuator (20) is horizontally swingable around a vertical axis.

Next, the operation of transferring the toothpaste tubes (2) aligned on the aligning device (5) to the storage box (3) on the box mounting table (7) using this device will be described.

The tube transfer device (6) so that the rods (14) of the tube holder (11) enter the cavity inside the tube along the axis of the toothpaste tube (2) that is aligned and entered on the alignment device (5). The parts of are operated synchronously. At this time, by ejecting air from the peripheral surface of each rod (14), the axial pressure of each rod (14) and the axial center of the tube (2) are matched by the air pressure radially ejected from the rod (14).

When the contact pad (15) formed at the tip of the rod (14) rushes for a certain length and contacts the inner peripheral surface of the tube (2), air ejection from the peripheral surface of the rod is stopped, and The air suction passageway (13) communicates with a negative pressure source, and the air suction port (16) at the center of the pad enters the closed space formed by the inner peripheral surface of the tube (2) and the contact pad (15). The air (1) is sucked in, and the negative pressure causes the tube (2) to move to the rod (1
Hold in 4).

After that, the tube holder (11) is rotated about the axis of the telescopic actuator (18) by 270 degrees, and the tube holder (11) is housed in the housing box (11) while operating each part of the tube transfer device (6) in synchronization. The tube holder (11) is rocked in the vertical direction with the tube holder (11) kept in its posture by swinging the tube holder (11) parallel to the side wall of the storage box (3) at a predetermined position. The screw lid portion (21) fitted to the tube (2) is moved to fit the support portion formed in the housing box (3), and is erected in the upright posture, and the air suction path ( The tube holder (11) is raised while the communication between the negative pressure source (13) and the negative pressure source is cut off, and the tube (2) is left in the storage box (3). This operation is repeated several times, and when a predetermined number of tubes (2) are stored in the storage box (3), the storage box (3) is unloaded and the next storage box (3) is set.

The reference numeral (22) in FIG. 1 denotes a carry-out conveyor for the storage box (3).

<Effect> The present invention has the following effects because it is configured and operates as described above.

a) When the rods of the tube holder are thrust into the tube bodies aligned on the aligning device, compressed air is radially ejected from the air ejection holes on the peripheral surface of the rods so that the axial center of the tube bodies is The axis of the tube holder can be automatically matched (centered). Accordingly, the tube body can be held by suction with the pad at the tip of the rod in a fixed posture, and the tube body can be stored in the storage box in a proper posture.

b) In addition, since the centering can be performed by ejecting compressed air from the air ejection hole of the rod at the same time when the rod enters the tube body, the time from the rod intrusion to the centering can be shortened, and the tube from the aligning device to the storage box can be shortened. The body can be transferred quickly.

c) Further, since the abutting portion between the tube body and the tube holder is only the edge portion of the pad, one type of tube holder may be used even if the diameter and length of the tube body are different, and the configuration is simple, The cost can be reduced and the weight can be reduced.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a schematic perspective view of the whole, FIG. 2 is a sectional view showing the main part taken out, and FIG.
It is a sectional view taken along the line I-III. 2 ... Tube body, 3 ... Storage box, 5 ... Aligning device, 6 ... Tube transfer device, 10 ... Robot arm,
11 …… Tube holder, 12 …… Air discharge passage, 13 …… Air suction passage, 14 …… Rod, 15 …… Pat, 16 …… Air suction port, 17 …… Air ejection hole, 18 …… Extension actuator .

Claims (1)

[Scope of utility model registration request] 1. A tube body (2) having an open end.
And a tube transfer device (6) for transferring the tube bodies (2) aligned on the alignment device (5) to the storage box (3). A tube holder (11) is formed by a long rod (14) that can be inserted into the internal cavity of the tube body (2), and the tube holder (11) is attached to the tip of the robot arm (10). The pad transfer device (6) is fixed to the tube transfer device (6), and a flat plate-like pad (15) is provided at the tip of the rod (14), and the edge of the pad (15) contacts the inner surface of the tube. It is configured so that it can form an air discharge passage (12) through which compressed air passes inside the rod (14) and an air suction passage (13) for sucking air in the axial center of the rod (14). The air suction port (1) opened in the center of the pad (15).
6) is connected to the air suction passageway (13), and a plurality of air ejection holes (17) opened on the peripheral surface of the rod (14) are arranged at equal intervals in the circumferential direction of the peripheral surface. The air ejection holes (17) are respectively connected to the air ejection passages (12) so that compressed air can be radially ejected from the peripheral surface of the rod (14), and the compressed air can be ejected onto the alignment device (5). Aligned tube bodies (2)
On the other hand, an automatic tube packing box packaging device configured to operate the robot arm (10) to rush the tip of the rod (14) along the axis of the tube body (2).