JP2022006991A - Container processing device - Google Patents

Abstract

To provide a container processing device capable of being used by switching a processing head in a low cost.SOLUTION: A capper 10 comprises a lower rotary body 30 having a plurality of bottle stands 38 at an outer periphery, an upper rotary body 32 having a capping head 12 for a servo screw capper for capping a container V held on the bottle stand 38 and the capping head 14 for PP capper arranged alternately along a circumferential direction, a motor 46 for rotating the lower rotary body 30 and a motor 54 for rotating the upper rotary body 32. Either the capping head 12 or 14 is positioned with the container V by a synchronous operation of the motor 46, 54 depending on either the capping head 12 or 14 is used for capping.SELECTED DRAWING: Figure 2

Description

The present invention relates to a container processing device capable of performing a plurality of treatments on a container to be held.

As a method of filling a plurality of product liquids with one rotary filling device, two nozzles corresponding to two types of product liquids and nozzle switching means are provided for each container held in the rotary filling device. A configuration has been proposed (Patent Document 1). In this device, the nozzle corresponding to each container can be selectively switched by the nozzle switching means. That is, by operating the nozzle switching means, it is possible to switch to the nozzle corresponding to the product liquid to be filled with the nozzle facing each container.

Japanese Patent No. 5774409

However, the configuration of Patent Document 1 requires a number of nozzle switching means corresponding to the container held by the apparatus. Therefore, the weight of each part of the nozzle switching means and the weight due to the air piping increase, and there arises a problem that the manufacturing cost increases due to the load-bearing structure, the increase in the motor rating, and the like.

An object of the present invention is to provide a container processing apparatus that can be used by switching processing heads at low cost.

The container processing apparatus according to the first aspect of the present invention is a first rotating body provided with a plurality of container holding portions on the outer peripheral portion, and a plurality of units that perform predetermined processing on the containers held by the container holding portions, respectively. A second rotating body in which the first processing head and the second processing head are alternately arranged along the circumferential direction, and a first processing state in which the first processing head is located at a processing position where the container is processed. A container processing device including a switching means for switching to a second processing state in which the second processing head is located at a processing position for processing the container, wherein the switching means has the first rotating body. The first motor and the second motor are synchronized with each other in a state where the first motor for rotating and the second motor for rotating the second rotating body are provided and the first processing head is positioned at the processing position. The first processing state is configured by operating, and the second processing state is changed by synchronously operating the first motor and the second motor in a state where the second processing head is positioned at the processing position. It is characterized by being configured.

According to the present invention, it is possible to provide a container processing apparatus that can be used by switching the processing head at low cost.

It is a top view which shows the arrangement of the container processing apparatus which is one Embodiment of this invention. It is a vertical sectional view of the container processing apparatus of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing the arrangement of the container processing apparatus according to the embodiment of the present invention, and FIG. 2 is a vertical sectional view of the container processing apparatus of FIG.

The container processing device of the present embodiment is, for example, a wheel-type capper 10 that caps a container by a plurality of methods. The capper 10 is, for example, a capper that selectively caps a screw cap and a PP cap, and is a plurality of servo screw capping capping heads (first processing head) 12 and a plurality of PP capping capping heads (first). (2 processing head) 14 is provided.

The container V and the PP cap can be supplied to the capper 10 from the container / cap supply wheel 16, the container V is supplied to the container / cap supply wheel 16 from the container supply conveyor 18, and the container / cap is supplied by the cap supply device 20. A PP cap is put on the mouth of the container V to be conveyed by the wheel 16 to supply the container V. Further, in the transport path of the capper 10, a cap disk 22 is arranged on the upstream side of the container / cap supply wheel 16 to supply the screw cap to the servo screw capper capping head 12.

The capper 10 receives the container V from the container / cap supply wheel 16 and also receives the PP cap or screw cap from the container / cap supply wheel 16 or the cap disc 22, capping is performed, and then the capped container V is discharged from the container. Hand over to the wheel 24. The container V delivered to the container discharge wheel 24 is discharged to the downstream side through the container discharge conveyor 26.

As shown in FIG. 2, the capper 10 includes a fixed main shaft 28, a lower rotating body (first rotating body) 30 rotatably arranged around the lower part of the main shaft 28, and a main shaft 28. It includes an upper rotating body (second rotating body) 32 that is rotatably arranged around the upper part. In the capper 10 of the present embodiment, the same number of servo screw capper capping heads 12 and PP capper capping heads 14 are alternately arranged along the outer circumference of the upper rotating body 32.

A container holding portion 34 for holding the container V is arranged along the outer circumference of the lower rotating body 30. The number of container holding portions 34 is the same as the number of one capping head. FIG. 1 shows a case where the capper 10 functions as a servo screw capper, and the container holding portion 34 is arranged directly under each servo screw capper capping head 12. In the vertical sectional view of FIG. 2, the servo screw capping head 12 and the PP capper are used when the capper 10 functions as a servo screw capper on the left side of the wheel rotation axis L and as a PP capper on the right side. The capping head 14 is shown.

As shown in FIG. 2, the lower rotating body 30 of the capper 10 is mounted on, for example, a thrust bearing 36A arranged around the lower end of the main shaft 28, and is rotatably arranged around the main shaft 28. To. The lower rotating body 30 is provided with a rotating table 30A below, and a bottle stand (container holding portion) 38 for mounting the container V is arranged around the rotating table 30A.

Further, the lower rotating body 30 is provided with a gripper 40 for gripping the neck portion of each container V mounted on the bottle stand 38. The pair of gripper pieces constituting the gripper 40 are attached to the lower ends of the support rods 42 arranged vertically. The support rod 42 is rotatably supported by support discs 30B and 30C provided at the upper end portion and the intermediate portion of the lower rotating body 30. The pair of support rods 42 are connected by gears (not shown) and rotate in the same amount in opposite directions, and a cam follower 42A for opening and closing the gripper is provided at the upper end of one support rod 42.

A cam holding portion 44 is integrally provided on the outer peripheral portion of the main shaft 28 in the middle portion of the main shaft 28, immediately above the upper end portion of the lower rotating body 30. A thrust bearing 36B is interposed between the lower end of the cam holding portion 44 and the upper end of the lower rotating body 30. That is, the lower rotating body 30 is sandwiched between the upper and lower thrust bearings 36A and 36B, and is rotatably held around the main shaft 28. Around the lower end of the lower rotating body 30, a passive gear 30D that meshes with the drive gear 46A of the lower rotating body rotating motor (first motor) 46 installed in the fixed portion is provided, and the lower rotating body 30 is provided with a passive gear 30D. , Rotates around the main shaft 28 (rotating shaft L) by the rotation of the lower rotating body rotating motor 46.

Further, around the cam holding portion 44, a cam 44A for opening and closing the gripper that engages with the cam follower 42A of the support rod 42 is provided. When the lower rotating body 30 is rotated around the main shaft 28 by the lower rotating body rotating motor 46, the cam follower 42A travels on the cam surface of the cam 44A, and the gripper 40 opens and closes at a predetermined timing according to the shape of the cam 44A. ..

Above the lower rotating body 30, the upper rotating body 32 is rotatably attached around the main shaft 28 via bearings 48A and 48B. The upper rotating body 32 alternately holds the servo screw capping head 12 and the PP capping capping head 14 along the outer circumference. The capping heads 12 and 14 are attached to the lower ends of the support rods 50 extending vertically, respectively, and the support rods 50 penetrate the lower support disk 32A of the upper rotating body 32 and can be raised and lowered and rotated by the support disk 32A. Be supported.

A cam follower 50A that engages with the groove cam 44B for raising and lowering the capping head provided around the cam holding portion 44 is attached to the side surface of the upper end portion of the support rod 50. In the upper rotating body 32, the upper support disk 32B is provided above the lower support disk 32A. A support rod 50, that is, a motor 52 for rotating the capping heads 12 and 14, is arranged on the upper support disk 32B. The rotary shaft 52A of the motor 52 inserts the upper support disk 32B and spline-engages the upper end portion of the support rod 50.

Further, an upper rotating body rotation motor (second motor) 54 for rotating the upper rotating body 32 around the main shaft 28 (rotating axis L) is provided at the upper end portion of the main shaft 28. The rotation axis of the upper rotating body rotating motor 54 is arranged vertically and a drive gear 54A is attached, and the drive gear 54A is engaged with a passive gear 32C arranged along the inner circumference of the upper end portion of the upper rotating body 32. To.

According to the above configuration, when the upper rotating body 32 is rotated by the upper rotating body rotating motor 54, the cam followers 50A of the capping heads 12 and 14 travel along the groove cam 44B, and the capping heads 12 and 14 are the groove cams 44B. It goes up and down at a predetermined position in the circumferential direction according to the shape of. The left side of FIG. 2 shows the raised state of the servo screw capping head 12, the right side shows the PP capping head 14 lowered, and the cap is pressed against the opening of the container V. The state is shown.

A control signal and electric power are supplied to the capping head rotation motor 52 from the control device 56 and the power supply via the rotary connector 32D provided at the center of the upper end portion of the upper rotating body 32, respectively. The control device 56 of the present embodiment also controls the driving of the lower rotating body rotating motor 46 and the upper rotating body rotating motor 54.

In the capper 10 of the present embodiment, the lower rotating body rotating motor 46 or the upper portion is used depending on whether the capper 10 is used as a servo screw capper (first processing state) or as a PP capper (second processing state). By driving either or both of the rotating body rotating motor 54 to relatively rotate the lower rotating body 30 and the upper rotating body 32, the position of the bottle base 38 of the lower rotating body 30 can be rotated upward. Align with one of the capping head 12 for the servo screw capper or the capping head 14 for the PP capper of the body 32. That is, all of the bottle base 38 is arranged directly under either the capping head 12 or the capping head 14.

When the position of the bottle base 38 is aligned with either the capping head 12 for the servo screw capper or the capping head 14 for the PP capper, the lower rotating body 30 is provided by the lower rotating body rotating motor 46 and the upper rotating body rotating motor 54. And the upper rotating body 32 are integrally rotated in synchronization with each other. When the upper rotating body 32 rotates, the capping heads 12 and 14 are sequentially moved up and down according to the shape of the groove cam 44B, and the motor 52 for rotating the capping head corresponding to the selected capping head is on the upper side. When the rotating body 32 comes to a desired position, it rotates by a desired rotation amount, and is selected and capped with respect to the container V on the bottle stand 38. The container V for which capping has been completed is delivered to the container discharge wheel 24 as described above.

As described above, according to the present embodiment, the processing head can be easily switched by enabling the rotating body holding the container and the rotating body holding the processing head to be rotationally driven by different motors. .. According to this configuration, it is not necessary to provide a mechanism for switching the head for each processing head, and a container processing device such as a capper can be configured at low cost.

In the present embodiment, the processing head can be switched between the two types of capping heads, but a configuration in which three or more types of capping heads can be selectively switched may be used. Further, in the present embodiment, the servo screw capper and the PP capper have been described as an example, but a plug capper for driving a cap into a container may be used in combination.

In the capper of the present embodiment, the case where capping of different methods is performed has been described as an example, but it can also be applied to a configuration in which capping heads of the same type having different sizes are switched. Further, the container processing device is not limited to the capper, and can be applied to a filler or the like that switches between a plurality of types of filling valves.

10 Capper (container processing equipment)
12 Capping head for servo screw capper (first processing head)
14 Capping head for PP capper (second processing head)
30 Lower rotating body (first rotating body)
32 Upper rotating body (second rotating body)
38 Bottle stand (container holder)
46 Lower rotating body rotation motor (first motor)
54 Upper rotating body rotation motor (second motor)

Claims (1)

A first rotating body provided with a plurality of container holding portions on the outer peripheral portion, and
A second rotating body in which a plurality of first processing heads and second processing heads, which perform predetermined processing on the container held in the container holding portion, are alternately arranged along the circumferential direction, and
A switching means for switching between a first processing state in which the first processing head is located at a processing position where the container is processed and a second processing state in which the second processing head is located at a processing position where the container is processed. A container processing device equipped with,
The switching means has a first motor for rotating the first rotating body and a second motor for rotating the second rotating body.
With the first processing head positioned at the processing position, the first processing state is configured by synchronously operating the first motor and the second motor.
A container processing apparatus characterized in that the second processing state is configured by synchronously operating the first motor and the second motor in a state where the second processing head is positioned at the processing position.

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