JPH0656034U - Automatic bottle cap feeder - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] A bottle cap that eliminates troubles in the cap supply part in automatic assembly equipment, improves work speed, reliability and operating rate of machinery and realizes full automation. We propose an automatic feeder. [Structure] A disk 6 to which three rollers 7 are attached and fixed,
An endless type in which an intermittent rotation drive unit composed of a grooved circular plate 8 in which a groove with an R locus is formed in a cross shape and cap pockets for intermittently moving / stopping in conjunction with the drive unit are provided at equal intervals in one row. A carrier 13 and a chuck portion and a vacuum pad portion are provided. The rotary movement head 20 is movable while holding the cap on the chuck portion, and the pusher with an air cylinder 2 for pressing the cap into the chuck portion of the head.
2. Bottle cap automatic feeder consisting of 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device for automatically capping a bottle of a type in which a cap (screw) is screwed on, such as a small plastic container for storing soy sauce or sauce to be put in a bento lunch box or a hard container for liquid cosmetics. is there.

[0002]

[Prior art]

 In recent years, with the increase in speed of automatic machines, especially automatic assembly machinery, a method of shortening the apparent work time by simultaneously processing a plurality of works in order to secure the target production amount within a predetermined work time. However, in such a case, it is important to operate the machinery properly. In order to ensure reliable operation of this assembly machine, it is important to stabilize the supply of parts, and the decrease in the machine operation rate is mostly due to problems in the parts supply section. In other words, it is the current situation that we are struggling to prevent this trouble in the parts supply section and improve the operating rate of the assembly machinery.

For example, the above-described bottle cap attachment device is composed of a cap alignment supply unit, a container transfer unit, and a cap attachment unit. However, there is a problem with the cap alignment supply unit that is a parts supply unit. It was an extremely large number and was a major cause of reduced work efficiency.

[0004]

[Problems to be solved by the present invention]

 The present invention eliminates the trouble of the cap supply part in the above-mentioned automatic assembly device, improves the working speed and reliability and the operation rate of the mechanical device, and automatically supplies the bottle cap which is fully automated. It proposes a device.

[0005]

[Means for Solving the Problems]

 According to the present invention, three rollers are mounted at a right angle to the motor shaft and horizontally rotated, and three rollers are mounted and fixed at equal intervals on the circumference of the disk. The groove provided is formed in a cruciform shape and has an outer diameter slightly larger than that of the above-mentioned disc, and the grooved disc rotates intermittently when the roller is fitted into the groove to move, and by the intermittent rotation of the grooved disc. It consists of a gear and an endless carrier that intermittently moves in a fixed direction by repeatedly moving and stopping through a carrier rotating shaft. The carrier is provided with pockets slightly larger than the cap size at equal intervals in a row. A cap supply rail for supplying the caps to the pockets is attached to one end of the carrier, and a plurality of caps aligned and held in the pockets of the carrier are simultaneously pushed up to drive the rotary drive described later. A plurality of caps are provided with a pusher with an air cylinder that press-fits into a cap gripping pocket inside the chuck provided at the head end and a vacuum pad part that sucks the cap gripped from the cap gripping pocket from above. The present invention relates to an automatic supply device for a bottle cap, which is provided with a rotary drive head that is movable while gripping.

According to the present invention, the cap of the rotary drive head is movable by the pusher with the air cylinder while the endless carrier in which the caps are continuously aligned and gripped in the pocket of the carrier is smoothly moved and stopped. A bottle holder in which a plurality of caps are aligned and gripped in a pocket, and suction is performed by a vacuum pad method, and the same number of bottles as the caps provided at predetermined positions while holding a plurality of caps are aligned and gripped upward. By moving up or by moving the bottle holder, multiple caps can be individually and simultaneously fitted to opposing bottles. Next, an embodiment of the device of the present invention will be described with reference to the drawings.

[0007]

【Example】

 1 and 2 are an explanatory side view and a plan view showing the overall arrangement of the device of the present invention. 1 is a rail for supplying a cap, and a cap 2 is provided with a pocket 2 continuously provided on an endless carrier 13. Supply to.

Pockets 2 slightly larger than the size of the cap 3 are provided in the carrier 13 in a row at equal intervals, and the cap supply rail 1 is arranged at one end of the endless carrier 13. .

The bottle cap automatic supply device according to the present invention includes an intermittent rotation drive unit 23 (also shown in FIG. 3) shown by a dotted line in FIG. 1, and an intermittent movement drive / stop operation by the intermittent rotation drive unit 23. The endless carrier 13, the pusher 22 with an air cylinder, and the main part of the rotary drive head 20. Next, this will be sequentially described.

FIG. 3 is an explanatory sectional side view showing an intermittent rotation drive unit of the device of the present invention. A circular plate 6 is mounted on a vertical motor shaft 5 at a right angle and horizontally rotated. Three rollers 7 are attached and fixed in parallel downward on the circumference at equal intervals.

Reference numeral 8 denotes a grooved disk that follows the disk 6, and the grooved disk 8 is provided with an R locus, which will be described later, at the entrance / exit of each roller 7 having a width substantially the same as the diameter of the roller 7. The groove 10 is formed in a cruciform shape, the outer diameter thereof is slightly larger than that of the disc 6, and the roller 7 is fitted into the groove 10 to move intermittently in the direction opposite to the disc 6 (see FIG. 4). Shown in).

The groove 10 formed in a cross shape on the grooved disk 8 has a circular shape which is the same as the arc-shaped locus provided by the rotation of the roller 7 on the grooved disk 8 and a perfect circle inscribed on the roller 7. Is provided (shown in FIG. 5).

When the three rollers 7 mounted and fixed in parallel to the disk 6 are sequentially fitted into the groove 10 and moved, the rollers 7 are positioned on the R locus portion of the entrance and exit of the groove 10. The grooved disk 8 stops without rotating, and the grooved disk 8 rotates in the opposite direction to the disk 6 as the roller 7 moves into the groove 10. That is, when the disc 6 attached to the motor shaft 5 rotates to the right, the roller 7 moves in the groove 10 to intermittently rotate the grooved disc 8 to the left. By repeating this operation, the grooved disk 8 is driven by the roller disk 6, and the rotation and stop operations are repeated intermittently at a ratio of 3: 1.

By the intermittent rotation of the grooved disk 8, the endless carrier 13 is repeatedly moved and stopped via the gear 11 and the carrier rotating shaft 12, and intermittently moves in a fixed direction.

The endless carrier 13 is provided with the pockets 2 for holding the caps 3 at equal intervals in a row as described above, and the cap supply rail 1 is held within the stop time during which the carrier 13 moves and stops. From this, the cap 3 is securely held in the pocket 2.

In this case, if the sensor 21 is additionally provided and linked with the intermittent rotation drive unit 23, the presence or absence of the cap 3 in the pocket 2 is detected, and the work of stopping / moving is controlled. The caps 3 can be surely aligned in a line.

As shown in FIG. 7, the pusher 22 with an air cylinder is composed of an air cylinder 19 and a push-up rod (pusher) 18 of an elastic body, and a plurality of pushers 22 are aligned and held in each pocket 2 of the endless carrier 13. Each of the caps 3 is pushed up separately and simultaneously, and is pressed into a cap grip pocket 16 in the chuck 15 provided at the tip of the rotary drive head 20 described later.

As shown in the sectional outline of FIG. 6, the rotary drive head 20 is provided with a rotatable chuck portion 15 having a cap gripping pocket 16 built in at the lower end thereof, and the cap 3 is detached at the upper end thereof. A vacuum pad portion 17 is provided for sucking so that the rotary drive head 20 is entirely movable.

As shown in FIG. 1, the pushers 22 with air cylinders (8 in this embodiment) are provided on the lower part of the endless carrier 13, while the rotary drive heads 20 (8 in this embodiment) are provided on the upper part. A plurality of caps 3 (8 in this embodiment), which are positioned symmetrically and are aligned and held in the pockets 2 of the carrier 13, are pushed up simultaneously by the pushers 22 simultaneously, and the chuck of the rotary drive head 20 located above is chucked. After being press-fitted into the cap holding pocket 16 in the portion 15, the vacuum pad portion 17 sucks the cap 3 so that the cap 3 is held by the cap holding pocket 16 so that the cap 3 does not fall off. Then, the cap 3 is moved onto the bottle holder 25 and the cap 3 is fitted on the bottle 24 by rotating the chuck portion 15. Alternatively, the bottle holder 25 may be moved below the chuck portion 15 of the rotary drive head 20, and the chuck portion 15 may be rotated to fix the cap 3 to the bottle 24 (see FIG. 7).

By repeating the above operation, the caps 3 can be reliably aligned and supplied onto the bottle caps. Of course, all the above-mentioned series of operations can be automated.

[0021]

[Effect of device]

 According to the present invention, as described above, the cap is continuously aligned with the pockets provided in the endless carrier while the endless carrier is intermittently moved and stopped by the intermittent rotation drive unit having a relatively simple structure. Hold a plurality of caps that are aligned and gripped at the same time in the cap grip pocket of the rotary drive head by the pusher with an air cylinder, and place the rotary drive head on the bottle holder, or place the bottle holder on the rotary drive head chuck. By moving the subordinates, the caps can be aligned and supplied, and a plurality of caps can be surely screwed to a plurality of bottles at the same time.

According to the present invention, it is possible to completely eliminate the trouble of the conventional cap supply unit and to supply a plurality of caps in line with high accuracy and reliability, so that the working speed, the reliability and the operation of the apparatus can be improved. The rate can be significantly increased and can be fully automated.

Moreover, this device can be applied not only to the automatic supply of bottle caps, but also to the supply assembly of other parts.

[Brief description of drawings]

FIG. 1 is an explanatory side view showing an outline of the arrangement of the entire device of the present invention.

FIG. 2 is a view on arrow AA of FIG.

FIG. 3 is an explanatory sectional side view showing an intermittent rotation driving unit of the device of the present invention.

FIG. 4 is a view taken along the line BB of FIG.

FIG. 5 is an explanatory view showing an intermittent rotation mechanism of an intermittent rotation drive unit of the device of the present invention.

FIG. 6 is an explanatory cross-sectional view of a rotary drive head of the device of the present invention.

FIG. 7 is an explanatory sectional view showing an example of moving the rotary drive head onto the bottle holder.

[Explanation of symbols]

 1-Cap Supply Rail 2-Pocket (Carrier) 3-Cap 4-Motor 5-Motor Shaft 6-Disc (with Roller) 7-Roller 8-Grooved Disc 9-Grooved Disc Rotation Shaft 10- Groove 11-Gear 12-Carrier rotary shaft 13-Endless carrier 14-Sprocket 15-Chuck part 16-Cap gripping pocket 17-Vacuum pad part 18-Pusher 19-Air cylinder 20-Rotary drive head 21-Sensor 22-Air Pusher with cylinder 23-Intermittent rotation drive unit 24-Bottle 25-Bottle holder θ-Stationary angle

Claims (2)

[Scope of utility model registration request] 1. A roller, which is mounted at a right angle to a motor shaft and rotates horizontally, has three rollers mounted and fixed at equal intervals on its circumference.
A groove provided with a locus is formed in a cross shape, the outer diameter is slightly larger than that of the above-mentioned disc, and the grooved disc is intermittently rotated when the roller is fitted and moved into the groove, and the grooved disc is intermittently rotated. It consists of a gear and an endless carrier that intermittently moves in a fixed direction by repeatedly moving and stopping via a carrier rotation shaft. The carrier is provided with pockets slightly larger than the cap size at equal intervals in a row, and A cap supply rail for supplying the caps to the pockets is attached to one end, and a plurality of caps aligned and held in the pockets of the carrier are simultaneously pushed up so that a chuck portion provided at the tip of the rotary drive head will be described later. Push the pusher with an air cylinder that press fits into the cap grip pocket and the cap pressed and gripped into the cap grip pocket. Automatic feeder bottle cap, characterized by comprising a rotary drive head movable while holding the cap by providing a vacuum pad portion for sucking the upper from. 2. An arcuate locus provided by rotation of the roller, in a groove formed in a cross shape on the grooved disk,
A circular disk with the same circle diameter is provided on the roller entrance / exit portion corresponding to a perfect circle inscribed in the roller, and the circular disk with groove has a rotation / stop timing of 3: 1 with respect to the circular disk. The automatic supply device for bottle caps according to claim 1, wherein the automatic supply device for bottle caps is configured so as to rotate intermittently at a ratio of.