JP2813493B2 - Can lid feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a can lid feeder having a mechanism for stopping a can lid feeder of a can lid feeder between a can filler and a can seamer in a can filling facility or immediately before the main body of the can seamer. It concerns the device.

[0002]

2. Description of the Related Art FIG. 1 shows a separator of a can lid having three separator disks. A stopper mechanism of the can lid illustrates an embodiment of the present invention. Therefore, in the following description of the prior art, FIG. 1 shows an outline of the separator device, and FIG.
I will explain in the next.

In FIG. 1, a turret 12 which guides the can body and a gear 1 which rotates coaxially with a coaxial Z-axis form:
Rotation of the turret shaft 11 is transmitted to the gear 2 of the gear shaft 6, the center line of the X ₁ axis is supported by bearings 7, 8 attached to the main body frame 17, having a can lid hopper 14 from the gear 2 The rotation is transmitted to the gear 3 that fits on the outer periphery of the cylindrical body 15 and rotates about the Y axis. Gear 3 transmits the rotation to the gear 2 on the X ₂ axis and X ₃ axis. And X ₁ ,
The three gears 2 on the X ₂ and X ₃ axes rotate at the same rotational speed in the same direction. The X ₁ , X ₂ , and X ₃ axes are parallel to the center Y axis, are equidistantly spaced, and have three axes X ₁ ,
The members around the gear 2, the bearings 7, 8, the gear shaft 6, and the separator disk 10 in X ₂ and X ₃ have the same shape. On the other hand, the rotation of the gear 2 is transmitted to the gear 4 via the gear shaft 6 and transmitted from the gear 4 to the gear 5. The rotation of the gear 5 is transmitted to the separator disk 10 by the separator disk shaft 9.

[0004] The separator disk 10 is located under a slight gap from the opening below the cylindrical body 15 having the hopper 14 to which the can lid 13 is guided. Receiving the can lid 13 that came down,
Next, the can lids 13 are lowered one by one while being horizontal by screw grooves provided on the outer periphery of the separator disk 10 and placed on a can lid guide (not shown). The can lid 13 is covered with the can body at a position where the can lid 13 is fed on the guide and merges with the can body on a not-shown can conveyer by a can lid pressing claw 16 attached to the outer periphery of the turret 12 by rotation of the turret 12. Be fitted. The rotation ratio of each gear for driving the separator disk 10 is set such that the separator disk 10 feeds out one can lid 13 every time the can body pocket of the turret 12 is fed one pitch, and the timing is determined. .

When the supply of the can body on the can conveyor is interrupted, the supply of the can lid 13 must be stopped at the same time. The same number of cans as the number of can pockets from the position where the can lid 13 is placed on the can lid guide to the number of can pockets until the can lid 13 is fitted to the can plus the number of can lids 13 on the separator disk 10. When a signal indicating that there is no can is generated at a number of cans located upstream from the confluence of the can with the can lid 13 of the conveyor, the three pneumatic cylinders 41 (FIG. The stopper operating arm 21a is pulled via the pin 18b, and the three stoppers 21 protrude into the gap of the overlapping can lid 13 to stop the supply of the can lid 13. The projecting position is indicated by a broken line stopper 21 'in FIG.

Reference numeral 18 in FIG. 3 denotes a support housing for the separator disk 10 which can rotate about the gear shaft 6.
By turning around the gear shaft 6, the position of the screw groove for guiding the can lid 13 of the separator disk 10 is adjusted, and it is possible to adapt to different can lid diameters. 18
Reference numeral a denotes an elongated hole for a bolt for setting and stopping the position of the support housing 18. Reference numeral 18c denotes a mounting portion of a pin 43 for stopping the pneumatic cylinder 41 integrated with the support housing 18. Also 18
Reference numeral b denotes a pin that supports the stopper 21 integrated with the support housing 18.

[0007]

When three can lid stoppers 21 as described in the section of the prior art are operated by three pneumatic cylinders 41, even if air is sent by the same air switching valve, , Air pipe resistance and pneumatic cylinder 4
Since there is a difference in the mechanical frictional resistance, there is a problem in that the timing of the operation of each of the pneumatic cylinders 41 is different, the timing of inserting the stopper 21 into the gap between the can lids 13 is shifted, and the can lid is damaged. Was. Also, the filling speed of the can filling line is very high, from 1000 cans / min to 1600 cans / min, and the supply of the can lid is also high speed. Will happen. The present invention has been proposed to solve the above-mentioned conventional problems.

[0008]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a method for separating and supplying can lids, which project from the outside toward a drop hole provided in a cylindrical body below a hopper and fall and are stacked one by one from the bottom. Separator, and a can lid feeder for a can seamer having a stopper for inserting a plurality of stop members from the outer periphery of the bottom of the can lid to stop the supply, and rotatably disposed on the outer periphery of the separator. A ring-shaped connecting member for connecting the plurality of stop members to each other, and driving means for connecting and rotating the plurality of stop members, wherein the plurality of stop members are simultaneously operated by the drive means. Thus, this is a means for solving the problem. Further, the present invention has an adjusting means for adjusting the mounting position of the driving means with respect to the operating direction of the connecting member when a can lid having a different diameter is supplied. It is a means for solving the problem.

[0009]

When a can-less signal is issued from the can conveyor to operate the actuator, the large ring connected to the actuator rotates and the three stoppers simultaneously actuate the can lid and the can lid. It is inserted into the gap, and no timing shift occurs. When supplying can lids with different diameters, the can lid guide section is also replaced with a concentric one with a different diameter, the support housing of the separator disk rotates around the reference axis, and the position of the separator disk is changed. Adjusted.
Loosen the mounting of the actuator, move the actuator in the tangential direction of the large ring along the long hole where the mounting bolt of the mounting base is inserted, determine the appropriate position of the stopper connecting the large ring and the link, and tighten and re-tighten the actuator By doing so, correct operation of the stopper can be expected.

[0010]

1 and 2 show an embodiment of the present invention. FIG. 1 is a perspective view of a can lid separator device and a can lid stopper mechanism, and FIG. It is a top view of a lid stopper mechanism. The separator device shown in FIG. 1 was used in the description of the prior art.

In FIG. 1, a turret shaft 11 is provided with a turret 12 having a can body pocket by a common driving source for a can filler, a can seamer, and a can conveyor (not shown).
And the gear 1 are driven. Reference numeral 14 denotes a hopper for stacking and accumulating the can lids 13, and the cylindrical body 1 for guiding the can lids 13.
5 is connected. Note that the Y axis is a vertical axis at the center of the cylindrical body 15 and is fitted so that the gear 3 can rotate around the cylindrical body 15 as an axis. In addition, X ₁ is parallel to the Y axis, and equidistant from the Y axis at equal intervals.
Axis, there are the X ₂ axis, X ₃ axis, gear shaft 6 around the same axes are supported through bearings 7 and 8 by the main body frame 17. Rotation of the gear 1 is transmitted to the gear 2 fixed to the gear shaft 6 of the X ₁ axis, the gear than the gear 2 3, X from gear 3
_2-axis, is transmitted to the gear 2 around the X ₃ axis. Therefore, the gears 2 on the respective axes X ₁ , X ₂ , X _{3 have} the same rotational speed in the same direction (B and D in the arrows).

The gear 4 is fixed to the gear shaft 6, and the gear 4 meshes with the gear 5 fixed to the separator disk shaft 9. A separator disk 10 is attached to a lower end of the separator disk shaft 9, and a screw groove into which a can lid 13 is inserted and vertically sent out is machined on a disk-shaped outer periphery of the separator disk 10. Further, the separator disk 10 includes a cylindrical body 15.
The upper surface of the disk of the separator disk 10 is placed slightly below the lower end of the opening 15a at the lower part of the cylinder. In the horizontal plane, the circular arc of the disk is lower than the cylindrical body by the depth of the screw shaft into which the can lid 13 enters. This is a position where the opening 15a enters the cylinder.

Reference numeral 18 denotes a support housing for accommodating the lower half of the gear shaft 6, the gear 4, the gear 5, and the separator disk shaft 9.
The support case 18 is mounted so as to be rotatable with respect to the main body frame 17 about the gear shaft 6 of X ₁ , X ₂ , and X ₃ axes. Also, reference numeral 18a in FIG.
Are fixed to the main body frame, and the support housing 18 can rotate in the range of the long holes, and the distance of the separator disk 10 from the center Y axis of the can lid guide can be adjusted. Reference numeral 16 denotes a can lid pressing claw that feeds out the can lid 13 on the can lid guide. Reference numeral 21 denotes a stopper, the knife-shaped portion of which is made of a thin material. The stopper 21 is rotatably supported by a pin attached to a projection 18b integral with the support housing 18. The operating arm 2 is provided on the stopper 21.
1a is integrated, and the working arm end is connected to the link 22 by a pin 24.

The other end of the link 22 is a large ring 2
6 are also connected by pins 25,
6 is fixed to the lower part of the support case 18 and is guided by three grooved rings 38 which play on a fixed shaft 39 having the same center line as the shaft 6. In addition, a projection 26
The protrusion 26a is connected to a joint at the end of a rod 29 of a pneumatic cylinder (actuator) 30 by a pin 28. In the pneumatic cylinder 30, a support pin 31 is fixed symmetrically on the side surface, the support pin 31 is fitted into a hole formed in a support plate 32, and the pneumatic cylinder 30 can freely rotate about the support pin 31. it can. The support plate 32 is attached to the adjustment plate 33, and the adjustment plate 3
3 is fixed to an abutment 37 fixed to the main body frame 17. The adjustment plate 33 has a long hole 33 a for a mounting bolt 34 for adjusting the position of the support plate 32, and a support plate 3.
A total of four long holes 33a to keep the two parallel
The end plate 33b is integrated with the adjusting plate 33 provided with a screw hole for mounting the adjusting bolt 36.

Next, the operation will be described. The rotation is transmitted to the turret shaft 11 from a driving source common to the can filler, can seamer, and can conveyor, and the turret shaft 11 and the gear 1 are moved in the direction indicated by the arrow A.
Rotate in the direction of. This rotation is transmitted to the gear _{1 on the} X1 axis and transmitted to the gear 3 on the Y axis, and the gear 3 turns in the direction of arrow C. Due to the rotation of the gear 3, the gear 2 on the X ₂ and X ₃ axes rotates in the same direction as the gear 2 on the X ₁ axis (arrows B and D).
Direction). The gear 3 on each shaft turns the gear 4 of the separator disk shaft 9 in the direction of arrow E. Accordingly, all three separator disks 10 rotate in the same direction in the direction of arrow E. Further, since the separator disk 10 is provided with a groove for feeding one or two can lids 13 one by one at every rotation, the turret 12 is provided if the gear ratio of the gears 1 to 4 is properly determined. The number of can lids 13 to be sent out by the rotation of can be matched with the number of separator discs 10 sent out onto the can lid guide.

If the supply of the can body is interrupted while the can body is being conveyed toward the junction with the can lid 13 by the can conveyor, the supply of the can lid 13 must also be stopped. Since the number of the can lids 13 from the feeding of the can lid 13 by the separator disk 10 to the junction of the can body and the can lid 13 is determined, the number of cans corresponding to the number is determined by the flow of the can conveyor. In the position opposite to the above, if the presence of the can is checked, the pneumatic cylinder 30 is operated, and the stopper 21 is inserted on the separator disk 10 via the large ring 26 and the link 22 to supply the can lid 13. Can be stopped. As soon as the cans are resupplied on the can conveyor, the pneumatic cylinder 30 for operating the stopper 21 is returned and the stopper 21 is retracted. Since the three stoppers are mechanically connected to the three links 22 and the large ring 26, there is no fear that the movements of the three stoppers 21 are shifted.

Further, when the diameter of the can lid 13 is different,
By rotating the support casing 18 of the separator disk 10 about the shaft 6 (in the direction of arrow F in FIG. 2), the separator disk 1
After adjusting the overlapping dimension between the outer periphery of the can 0 and the can lid 13, the support case 18 is fastened and fixed to the main body frame 17. At this time, since the fulcrum position of the stopper 21 is displaced, the support plate 32 supporting the pneumatic cylinder 30 is used to correct the displacement.
Then, loosen the tightening bolt 34 of the adjusting plate 33 and adjust the adjusting bolt 3
The position of the pneumatic cylinder 30 is adjusted while confirming the dimensions according to 6 (in the direction of arrow G in FIG. 2).
It is fixed again with the tightening bolt 34.

[0018]

As described above in detail, according to the present invention, since a plurality of stop members can be operated without timing deviation, there is no disadvantage that the can lid is damaged, and the diameter of the can lid is reduced. However, the link for linking can be shared even if it is different, and no replacement time is required.

[Brief description of the drawings]

FIG. 1 is a perspective view of a can lid supply device according to an embodiment of the present invention.

FIG. 2 is a plan view of the stopper mechanism of FIG.

FIG. 3 is a plan view of a stopper mechanism in a conventional can lid supply device.

DESCRIPTION OF SYMBOLS 9 Separator disk shaft 10 Separator disk 13 Can lid 14 Hopper 15 Cylindrical body 15a Cylindrical lower opening 17 Body frame 18 Support housing 21 Stopper 21a Stopper operating arm 22 Link 24, 25 pin 26 Large ring 28 Pin 30 Actuator 32 Support plate 33 Adjusting plate 38 Grooved ring 39 Fixed shaft

Claims (2)

(57) [Claims] 1. A separator projecting from the outside toward a drop hole provided in a cylindrical body below a hopper, separating and supplying one by one the can lids dropped and stacked from the bottom, and a separator for the bottom of the can lid. In a can lid feeder for a can seamer having a stopper for inserting a plurality of stop members from the outer periphery to stop the supply, a ring rotatably disposed on the outer periphery of the separator and connecting the plurality of stop members respectively. A can lid supply device comprising: a connecting member having a shape of a circle; and driving means for connecting and rotating the connecting member, wherein the plurality of stop members are simultaneously operated by the driving means. 2. The apparatus according to claim 1, further comprising adjusting means for adjusting a mounting position of said driving means with respect to an operating direction of said connecting member when can lids having different diameters are supplied. Can lid feeder.