JPH06345188A - Crown cap removing mechanism of cap take-out device - Google Patents

Abstract

PURPOSE:To smoothly and properly take out a crown cap by floating the cap to be strongly attracted, vertically displacing caps which come continuously to be held and also discharging an abnormal cap in carrying the cap from a chute to a putting head. CONSTITUTION:Caps 2 with their vertical directions aligned are dropped from a chute 3 and supplied to a device body 1, and then they are carried to a putting head 8 of a rotating body 4. In this case, the cap 2 is strongly attracted by a pair of magnets 30, 31 placed on a cap take-out part A inside an upper cap guide 28 to be led into a take-out wheel 24. The cap 2 is also floated from a lower disk plate 14, avoiding damage by friction. A stopper 26 is further placed on a front face of an opening of the chute 3 so that the cap 2 may not be brought into contact with a bottom of a pocket 24b of the take-out wheel 24. On the other hand, a cap 2 which is not held in a normal position is dropped from a cut of the disk plate 14 to be discharged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crown take-out device for taking out crowns supplied from a chute one by one and delivering them to a crown capping machine, and particularly, when there is a mistake in taking out a crown from a chute. In regard to the crown elimination mechanism to eliminate this crown.

[0002]

2. Description of the Related Art Generally, a crown capping machine is provided with a plurality of capping heads which are provided on a rotating body and rotate integrally with each other, and a bottle base, which are aligned in a certain direction by a crown sorter and are dropped and supplied by a chute. The caps thus taken out are taken out by a cap take-out device, and one cap is delivered to each capping head, and the capping head is moved up and down with respect to the bottle on the bottle base to cap it.

FIG. 7 and FIG. 8 show an example of a conventional crown take-out device, which is a chute 102 for continuously dropping and supplying a crown 100 whose upper and lower directions are aligned by a crown sorter (not shown) and a circumference. Between the capping machine 106 provided with a plurality of capping heads 104 at equal intervals in the direction,
A take-out wheel 110 of the crown take-out device 108 is rotatably arranged. This take-out wheel 110 has
Pockets 11 for accommodating the crown 100 at equal intervals in the circumferential direction
0a is formed. The rear side in the rotation direction of these pockets 110a is an engaging portion 110b that engages with the crown 100, and the crown 100 housed in the pocket 110a.
Is pushed by the engaging portion 110b and is rotationally conveyed. A support plate 111 is fixedly arranged below the take-out wheel 110, and when the crown 100 is transported,
The lower surface side is supported by the support plate 111.
The take-out wheel 110 moves from the shoot 102 to the crown 1.
An introduction guide 112 is provided in the crown take-out section A for taking out 00, and the crown capping machine 106 is provided on the downstream side thereof.
An arc-shaped side guide 114 that continues up to is arranged, and the crown 100 taken out from the chute 102 enters between the take-out wheel 110 and the introduction guide 112, and thereafter is guided by the side guide 114 on the outer side to the downstream side. Is transported to the side. Further, usually, the support plate 11 is
A magnet 116 is embedded in the vicinity of the take-out portion A of No. 1, and the attraction force of the magnet 116 causes
The crown 100 supplied from the chute 102 is taken out and introduced into the pocket 110a of the wheel 110 (see Japanese Utility Model Publication No. 61-31995).

[0004]

In the conventional crown take-out device 108, when the crown 100 supplied from the chute 102 is not completely housed in the pocket 110a of the take-out wheel 110 for some reason, the The crown 110 is an engaging portion 110 of the take-out wheel 110.
There was a case where it was pressed against the introduction guide 112 by b and was crushed.

The present invention has been made in order to eliminate the above-mentioned drawbacks, and prevents the crown take-out device from removing a missed crown that was not completely accommodated in the pocket of the take-out wheel from the crown take-out device. It is an object of the present invention to provide a crown removing mechanism of a crown extracting device that can perform the above.

[0006]

A crown removing mechanism of a crown take-out device according to the present invention comprises a chute for continuously dropping and supplying a crown whose upper and lower directions are aligned, and a crown
A take-out wheel, which is rotatably arranged between a crown capping machine provided with a capping head for receiving the individual pieces and capping the container, and a plurality of engaging portions formed on the outer periphery thereof at equal intervals, A support plate disposed below the take-out wheel, the crown that has fallen from the chute is engaged with each engaging portion of the take-out wheel to be rotationally conveyed, and the crown is taken out to the capping head. A guide member is arranged above the take-out wheel, and a magnet is provided on the guide member along the conveying route of the crown conveyed by the take-out wheel, and the outer periphery of the support plate below the magnet. A notch is formed on the side to allow the crown to fall.

[0007]

In the crown removing mechanism of the crown removing device, the crown held in the correct position by the engaging portion of the removing wheel is attracted to the magnet provided on the upper guide member and directed toward the stopper head. The crown of the mis-taken that was transported, but did not completely enter the take-out wheel,
Part of the magnet is attracted to the outside of the magnet, so when it is pushed by the engaging part of the take-out wheel, it gradually rotates toward the outside, and finally moves out of the range of the magnet's attraction force, It will fall from the notch.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings. FIG. 1 is a plan view of a crown take-out device equipped with a crown removing mechanism according to an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view of the crown take-out device. This crown take-out device (generally indicated by reference numeral 1) Is a crown supply chute 3 to which crowns 2 vertically aligned in the same direction by a crown sorter (not shown) are continuously dropped and supplied, and a plurality of capping heads 6 around the rotating body 4 at equal circumferential intervals. And the capping machine (shown by reference numeral 8 as a whole) in which the capping heads supplied from the supply chute 3 are taken out one by one and rotatably conveyed to the capping heads. It is supposed to be handed over to 6.

A disk plate 14 for supporting the lower surface side of the crown 2 is attached to the lower end of a fixed shaft 12 fixed vertically downward from a horizontal frame 10 above. The disk plate 14 may be provided between the crown take-out portion A for taking out the crown 2 from the supply chute 3 and the delivery portion D for delivering the crown 2 almost half a turn to the tapping head 6 of the tapping device 8. , The other parts are cut out. Around the fixed shaft 12 slightly above the disc plate 14, a tubular member 16 is provided with bearings 18, 2
It is rotatably fitted through 0. A gear 22 is attached to an upper end portion of the tubular member 16, and the tubular members 16 of the crown take-out device 1 are rotated by sequentially engaging the plurality of plugging heads 6 with the gear 22 to rotate. , Is rotated in synchronization with the rotation of the crown capping machine 8.

A take-out wheel 24 is attached to the outer peripheral side of the lower end portion of the tubular member 16 and rotates integrally with the tubular member 16. A plurality of outwardly protruding engaging claws 24a are provided on the outer circumference of the take-out wheel 24 at equal intervals in the circumferential direction, and the crown 2 is provided in each pocket 24b between the engaging claws 24a. They are housed one by one and engaged with the engaging claws 24a on the rear side in the rotational direction to be rotatably conveyed. In this embodiment, the length of the bottom surface of each pocket 24b is significantly longer than the diameter of the crown 2 so that the crown 2 can relatively move within the pocket 24b. Further, on the disk plate 14 in the vicinity of the take-out portion A where the take-out wheel 24 receives the crown 2 from the supply chute 3, the stopper 26 is arranged so that its front surface is located slightly inside the bottom surface of the pocket 24b of the take-out wheel 24. Is provided (see FIGS. 3 and 4), and the crown 2 introduced into the crown take-out device 1 from the supply chute 3 is stopped at a position where it does not collide with the pocket 24b of the take-out wheel 24.

An upper cap guide 28 having an arc shape having a length of about 1/3 is disposed above the conveying path of the crown 2 which is rotationally conveyed by the take-out wheel 24. As is clear from FIG. 4, the arc-shaped upper cap guide 28 and the disc plate 14 arranged below have a space slightly larger than the height of the crown 2. A pair of magnets 30 and 31 are embedded in the upper cap guide 28 in the vicinity of the crown extraction portion A at positions symmetrical with respect to the center line O of the supply chute 3.
The pair of magnets 30 and 31 are provided in the supply chute 3
Wheel 2 that sucks and removes the crown 2 supplied from
The positioning is performed to prevent the crowns 2 called into the take-out wheel 24 from being laterally displaced and the plural crowns 2 from entering one pocket 24b of the take-out wheel 24 while being called into the pick-up wheel 24. .

Another arcuate magnet 32 is provided in the upper cap guide 28 downstream of the pair of magnets 30 and 31 provided in the crown take-out portion A. The arc-shaped magnet 32 is used for the take-out wheel 24.
It is arranged above the moving path of the crown 2 which is rotatably conveyed by. On the other hand, the disc plate 14 arranged below has a notch near the outer periphery of the portion located below the arc-shaped magnet 32 (see FIG. 5). The outer peripheral surface of the portion where the notch 14a is provided,
Since the distance between the take-out wheel 24 and the bottom surface of the pocket 24b is much smaller than the diameter of the crown 2, the crown 2 cannot be supported on the disc plate 14 in this portion. Notch 14a on the disc plate 14
As will be described later, the portion where is provided constitutes a crown discharge portion B for discharging the crown 2 which is not properly held by the take-out wheel 24. An arc-shaped side guide 34 is arranged on the outer peripheral portion of the disc plate 14 on the downstream side of the notch 14a.
The inner peripheral surface of the side guide 34 is provided on the take-out wheel 24.
Of the pocket 24b is concentric with the outer peripheral surface of the pocket 24b, and the distance between the inner peripheral surface of the side guide 34 and the outer peripheral surface of the pocket 24b is slightly larger than the diameter of the crown 2. The crown 2 that is conveyed while being engaged with the dowels 24a is guided to the outside by the side guide 34.

The operation of the crown take-out device 1 having the above construction will be described. A large number of crowns 2 vertically aligned by a sorter (not shown) continuously drop in the crown supply chute 3 in a state of being in contact with each other, and are supplied to the crown take-out device 1. The lower part of the supply chute 3 is in a substantially horizontal state, and an air nozzle or a water nozzle (not shown) is provided on the lower side of this part, and air or water is jetted to remove the crown 2 into the crown extracting device 1. Help send to. Further, the crown 2 is attracted by the magnetic force of the pair of magnets 30 and 31 provided in the crown take-out portion A of the upper cap guide 28, and is called into the take-out wheel 24. The crown 2 introduced into the crown take-out device 1 is attracted by the magnets 30 and 31 to come into close contact with the upper cap guide 28, and floats from the disc plate 14 below. Further, a stopper 26 is provided in front of the opening of the supply chute 3, and the crown 2 attracted to the magnets 30 and 31 is placed on the bottom surface of the pocket 24b of the take-out wheel 24 as shown in FIG. Do not touch. In this state, the crown 2 is engaged with the engaging claws 24a of the rotating take-out plate 24, and is rotationally conveyed in the counterclockwise direction in FIG.

In this way, the magnets 30 and 31 for attracting the crown 2 from the supply chute 3 into the crown take-out device 1.
Is provided at the position of the crown take-out portion A in the upper cap guide 28, the magnets 30, 3 are provided on the entire upper surface of the crown 2.
The magnetic force of No. 1 can be applied, and the magnetic force of 1 can be attracted to and sucked into the crown extracting device 1 with a stronger attraction force than in the case where a magnet is provided on the lower surface side as in the related art. Also,
Since it is attracted to the upper cap guide 28 and floats, there is no risk of damaging the crown 2 due to friction with the lower disc plate 14. Further, as shown in FIG. 4, since the crown 2 that is attracted to the magnets 30 and 31 and floats up and the subsequent crown 2 in the supply chute 3 have different heights, the skirt portion of the crown 2 ( There is no risk that the lower folds will mesh with each other. In the present embodiment, the two magnets 30, 31 are provided in the crown take-out portion A.
However, the number is not limited to two, and may be one or three or more. However, by arranging the two magnets 30 and 31 symmetrically with respect to the center line O of the supply chute 3 as described above, the crown 2 can be accurately positioned and attracted, so that the subsequent crowns can be attracted. 2 does not enter the same pocket 24a of the take-out wheel 24.

The crown 2 which is engaged with the engaging claws 24a of the take-out wheel 24 and is rotatably conveyed is the pair of magnets 3 described above.
When it moves from the position of 0, 31 to the downstream side, it is subsequently attracted to the arc-shaped magnet 32. When it reaches the position C where the arc-shaped side guide 34 is provided, it is released from the attraction force of the arc-shaped magnet 32 and dropped onto the disk plate 14 when it is attracted to the upper cap guide 28 side and floated. To do. Further, it is conveyed on the disc plate 14 toward the crown capping machine 8 by the take-out wheel 24, and is adsorbed and delivered to the capping head 6 of the crown capping machine 8 at the crown transfer section D.

As described above, in the case where it enters the pocket 24b of the take-out wheel 24, is engaged and held in the correct position by the engaging claw 24a, and is conveyed (the crown 2a shown by the solid lines in FIGS. 5 and 6). , And is conveyed to the inside of the side guide 34 by being attracted to the arc-shaped magnet 32, but due to, for example, a problem in the accuracy of the crown 2 or due to dust in the supply chute 3 or the like, the crown 2 pockets the take-out wheel 24. Two
If it does not completely fit within 4b (crown 2b shown by phantom lines in FIGS. 5 and 6), the attracting position of the crown 2 due to the arc-shaped magnet 32 deviates from the central portion of the crown 2, and thus the engagement occurs. When pressed by the claw 24a, the crown 2 rotates clockwise in FIG. 5, gradually moves outward, and is pushed to a position where the attraction force of the arc-shaped magnet 32 does not reach, so that the disc plate 14 is cut. It falls down from the notch 14a. Therefore, since the crown 2 which is not held in the normal position is discharged, it is possible to prevent the trouble that the crown 2 collides with or gets caught in the side guide 34.

[0017]

As described above, according to the present invention,
A plurality of engaging portions are formed on the outer periphery at equal intervals, and a guide member is disposed above the take-out wheel that conveys the crown by engaging the engaging portions, and the guide member conveys to the guide member. A magnet is provided along the transport path of the crown, and a notch that allows the crown to fall is formed on the outer peripheral side of the support plate below this magnet, so that it engages with the engaging part of the take-out wheel at the correct position. The held crown is attracted to the magnet and is rotated and conveyed as it is.However, the crown that was not held in the correct position is gradually pushed outward as the take-out wheel rotates and falls from the notch in the support plate. Because it will be
It is possible to eliminate the crown of mistakes.

[Brief description of drawings]

FIG. 1 is a plan view of a crown extracting device having a crown removing mechanism according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the crown extracting device.

FIG. 3 is a plan view showing a simplified main part of the crown extracting device.

FIG. 4 is an enlarged vertical sectional view showing a crown take-out portion.

FIG. 5 is an enlarged plan view showing a crown removing mechanism for discharging a crown that is not held in a correct position.

6 is a sectional view taken along line VI-VI in FIG.

FIG. 7 is a plan view showing a simplified conventional crown removing device.

FIG. 8 is a vertical sectional view of the conventional crown extracting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crown removing device 2 Crown 3 Chute 6 Capping head 8 Crown capping machine 14 Support plate (disk plate) 14a Notch of support plate 24 Extraction wheel 24a Engagement part (engagement claw of extraction wheel) 28 Upper guide member (Upper cap guide) 32 Magnet

Claims (1)

[Claims] 1. A chute capping machine provided with a chute that continuously drops and supplies crowns whose upper and lower directions are aligned, and a capping head that receives the crowns one by one and caps them into a container. A rotatably arranged between the two, the take-out wheel having a plurality of engaging portions formed at equal intervals on the outer periphery thereof, and a support plate arranged below the take-out wheel, and the crown that has fallen from the chute. In the crown take-out device which is engaged with each engaging portion of the take-out wheel and is rotationally conveyed, and is delivered to the capping head, a guide member is disposed above the take-out wheel, and the guide member is provided by the take-out wheel. A magnet is provided along the transportation path of the crown to be transported, and a notch for allowing the crown to fall is formed on the outer peripheral side of the support plate below the magnet. Crown removal mechanism of the crown extraction device.