JP2019043657A - Liquid filling system - Google Patents

Abstract

To provide a liquid filling system capable of continuously filling the same liquid in plural kinds of containers without carrying out a switching operation attendant on operation stop.SOLUTION: A liquid filling system 1 comprises a container carry-in part 10, a filling part 60, and a container carry-out part 80. The container carry-in part 10 includes a first carry-in path 11A for conveying a first container, a second carry-in path 11B for conveying a second container in a different path from the first carry-in path, and an alignment device 17 for supplying the first container and the second container toward a downstream. The filling part 60 fills liquid in the first container and the second container in order. The container carry-out part 80 has a distribution machine 81 for distributing the first container and the second container, a first carry-out path 85A for carrying out the first container toward the downstream, and a second carry-out path 85B for carrying out the second container toward the downstream.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a liquid filling system for filling a container with liquid.

Conventionally, a liquid filling system for filling a container with a liquid such as drinking water is known. In the operation of the liquid filling system of this type, the operation of filling the same liquid into one type of container is repeated. In addition, the rotary-type filling apparatus which enables a filling installation to be combined between a bottle type container and containers, such as top open cans, is also proposed (for example, refer patent documents 1-2).
When performing production of filling different types of containers with different types of containers using the same apparatus in a conventional liquid filling system, it is necessary to stop the operation of the liquid filling system once and perform switching operation for changing the containers. For example, assuming that a 2 L container and a 500 mL container are to be filled with liquid, the 2 L container is first filled, and after completing the predetermined number of fillings, the switching operation is performed, and then the 500 mL container is filled. Start. That is, the conventional liquid filling system was to fill the liquid by batch processing for each of a plurality of types of containers.

Unexamined-Japanese-Patent No. 2002-193390 Japanese Patent Application Laid-Open No. 2002-193391

The liquid filling system includes a loading path for loading the container into the filling section for loading the liquid, and a discharge path for discharging the container filled with the liquid toward the downstream. Since some members constituting the loading and unloading paths correspond to the size of the containers, the switching operation is performed in the liquid filling system in which the liquid is filled for each of a plurality of types of containers by conventional batch processing. It is necessary to replace the members of the loading and unloading paths.
Depending on the type of liquid to be filled, deterioration of the liquid may occur during this switching operation, so the liquid may be discarded during the switching operation.
As such, conventional liquid filling systems have not been compatible with continuous filling in which multiple containers are filled with liquid in a single run. Moreover, in the conventional liquid filling system, when filling a plurality of types of containers with liquid, the switching operation may lower the production yield.

  As described above, it is an object of the present invention to provide a liquid filling system capable of continuously filling the same liquid into a plurality of types of containers without performing switching operation accompanied by shutdown.

The liquid filling system of the present invention includes a container loading unit, a filling unit, and a container unloading unit.
The container loading portion is a second loading path for transporting the second container, and a first loading path and a second loading path for transporting the second container in a route different from the first loading path for transporting the first container and the first loading path. And an aligner for feeding the second container downstream.
The filling unit sequentially fills the first container and the second container carried in from the container carry-in unit with the liquid.
The container unloading portion includes a distributor for distributing the first container and the second container, a first outlet for discharging the first container distributed by the distributor toward the downstream, and a second container distributed by the distributor. And a second unloading path for unloading the air downstream.

  The container loading unit according to the present invention receives the first container and the second container transported respectively in the first loading passage and the second loading passage at a set interval, thereby the first container and the first container in the aligning machine. Two containers can be arranged in a line in a predetermined order.

  The aligning machine in the container loading unit of the present invention includes a rotating body provided with a plurality of first holding tools for holding the first container and the second container on the outer periphery, and the first container and the second container are alternately delivered. Thus, the first container and the second container can be arranged in a line in a predetermined order.

In the dispenser at the container outlet of the present invention, the first container and the second container are delivered, and the first dispenser for delivering the first container to the first outlet, and the second container are delivered. And a second dispenser for delivering to the second unloading path.
The first dispenser has a first rotating body for transporting the first container and the second container while gripping the first container and the second container with a plurality of gripping tools provided on the circumference, and transported the first container to the first unloading path. Then, it is possible to release the grip and deliver it to the first unloading path. In addition, the second distributor has a second rotating body that conveys the second container while holding the second container with a plurality of holding tools provided on the circumference, and holds the second container when the second container is conveyed to the second discharge path. Can be released to the second unloading path.

According to the present invention, the container carry-out portion is provided between the first rotating body and the second rotating body with a transfer rotating body for transferring the second container delivered from the first rotating body to the second rotating body. The transfer rotating body can transport the second container while supporting the second container from the bottom surface.
Further, in the container discharge part in the present invention, the position in the vertical direction for gripping the first container and the second container by the first rotating body and the position in the vertical direction for gripping the second container by the second rotating body are one. The first unloading passage and the second unloading passage can be provided at positions in the vertical direction according to the container heights of the first container and the second container.

In the liquid filling system according to the present invention, when the first container has a container height higher than that of the second container, the second rotating member is used after the first container is first discharged to the first discharge path by the first rotating member. Preferably, the second container is dispensed to the second outlet.
The filling part in the liquid filling system of the present invention can use a rotary liquid filling device provided with a plurality of filling valves on the circumference of a rotating body.
Further, the first container and the second container applied to the liquid filling system of the present invention are containers made of resin having different volumes.

  According to the liquid filling system of the present invention, a plurality of types of containers can be continuously filled with the same liquid without performing switching operation accompanied by shutdown.

It is a figure which shows the liquid filling system of this embodiment. It is a front view which shows three types of resin-made containers used for the liquid filling system of FIG. 1, Comprising: (a) is a 300 mL container, (b) is a 500 mL container, (c) is a 2 L container. It is. It is a top view which shows the container carrying-in part of the liquid filling system of FIG. It is a top view which shows the container delivery part of the liquid filling system of FIG. (A) is a figure which shows the conveyance wheel 81A of a container delivery part, (b) is a figure which shows the conveyance wheel 81B of a container delivery part. It is a figure which shows the positional relationship of the resin-made containers carried out to the carrying out path of FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the attached drawings.
The liquid filling system 1 of the present embodiment is characterized in that the same type of liquid can be continuously filled in a plurality of types of resin containers having different capacities, for example, plastic bottles. The liquid which the liquid filling system 1 fills is, for example, drinking water. In the present embodiment, as illustrated in FIG. 2, an example in which drinking water is filled in three types of plastic bottles 201, 202, and 203 having different capacities of 300 mL, 500 mL, and 2 L will be described. Since the shapes and dimensions of the mouth 205 and the neck 207 in which the caps are attached are standardized, the PET bottles 201, 202, 203 can hold the neck 207 of the PET bottles 201, 202, 203 with the same gripper. When it is not necessary to distinguish the plastic bottles 201, 202, and 203, they are collectively referred to as the plastic bottle 200.

  In the liquid filling system according to the present embodiment, as shown in FIG. 1, the blow molding machine 20, the container loading unit 10, the container inspection unit 30, the sterilizing unit 40, the rinsing unit 50, in order from the upstream side It has a unit 60, a capper 70, and a container discharge unit 80. Each of the above elements of the liquid filling system 1 may further be provided with a transfer wheel for delivering the plastic bottle 200. The operation of each element of the liquid filling system is controlled by the control unit 110.

[Container loading section 10]
As shown in FIG. 3, the container loading unit 10 has a loading path 11 for loading an empty plastic bottle 200 not filled with liquid toward a predetermined portion of the liquid filling system 1. Further, as shown in FIG. 3, the container loading unit 10 has an aligning device 17 that aligns the plastic bottles 201, 202, and 203 in a line. Hereinafter, specific contents of the loading path 11 and the aligning machine 17 will be described in order.

[Loading Path 11]
As shown in FIG. 3, the loading path 11 supplies a first loading path 11A for supplying 500 mL of the plastic bottle 202, a second loading path 11B for supplying 300 mL of the plastic bottle 201, and a 2 L plastic bottle 203. It has a third loading path 11C.
The first carry-in path 11A carries the plastic bottle 202 molded by the blow molding machine 20 toward the aligning machine 17. The second carry-in path 11B and the third carry-in path 11C carry in the pet bottles 202 and 203, which have already been formed, respectively, toward the aligning machine 17. Each of the first loading path 11A, the second loading path 11B, and the third loading path 11C transports the plastic bottles 201, 202, and 203 independently, and loads the plastic bottles 201, 202, and 203 into the aligning machine 17.

[First loading path 11A]
The first loading path 11A has a transport wheel 12A located on the most downstream side of the blow molding machine 20 and three transport wheels 13A, 14A, 15A provided between the alignment machine 17.
The first carry-in path 11A carries 500 mL of the empty plastic bottle 202 formed by the blow molding machine 20 into the alignment machine 17 via the transport wheels 12A, 13A, 14A, 15A. The transport wheels 12A to 15A are transport means consisting of a rotating body provided with a plurality of grippers called grippers on the circumference. The same applies to the following.

  The loading of the plastic bottles 202 by the first loading path 11A is performed by providing between the plastic bottles 202 having an interval of every two pitches (every one pitch) to the aligning machine 17. That is, at the stage when the aligning machine 17 receives the plastic bottles 202 from the first loading path 11A, the grippers for gripping the plastic bottles 202 in the aligning machine 17 and the empty grippers not gripping the plastic bottles are alternately arranged.

[Second loading path 11B]
The second carry-in path 11B carries the 300 mL plastic bottle 201 prepared in advance toward the aligning machine 17.
The second carry-in path 11B includes a conveyor 12B that linearly conveys the pet bottles 201 arranged in a line, and a conveyance wheel 13C that receives the pet bottles 201 from the conveyor 12B. The conveyor 12B is provided with a timing screw (not shown), and transfers the PET bottles 201 to the transport wheel 13B at a predetermined pitch, and the transport wheel 13B carries the PET bottles 201 into the alignment machine 17 while maintaining this pitch. Do.

  Loading of the plastic bottles 201 by the second loading path 11B is performed by providing between the plastic bottles 201 which are moved back and forth at intervals of every four pitches (every three pitches) to the aligning machine 17. As a result, the second loading path 11B causes the empty gripper that does not grip the 500 mL plastic bottle 202 in the alignment machine 17 to grip the 300 mL plastic bottle 201 every three pitches.

The third carry-in path 11C carries in the 2L plastic bottle 203 prepared in advance toward the aligning machine 17.
The third loading path 11C includes a conveyor 12C that linearly conveys the pet bottles 203 arranged in a line, and a conveyance wheel 13C that receives the pet bottles 203 from the conveyor 12C. The conveyor 12C is provided with a timing screw (not shown) and delivers the PET bottles 203 to the transport wheel 13C at a predetermined pitch, and the transport wheel 13C carries the PET bottles 203 into the alignment machine 17 while maintaining this pitch. Do.

  The loading of the plastic bottles 203 by the third loading path 11C is performed by providing between the plastic bottles 201 having an interval of every 4 pitches (every 3 pitches) to the aligning machine 17. This pitch is the same as the second carry-in path 11B, but is out of phase with the second carry-in path 11B by two pitches. As a result, the third loading path 11C causes the empty grippers in which neither the 300 mL nor 500 mL pet bottles 201 and 202 are gripped by the aligner 17 to grip the 2 L plastic bottles 203 at every three pitches.

[Aligner 17]
The aligning machine 17 of the container loading unit 10 receives the PET bottles 201, 202, and 203 at predetermined intervals from the first loading path 11A, the second loading path 11B, and the third loading path 11C and aligns them in a line. The PET bottles 201, 202, 203 aligned in a line by the aligning machine 17 are delivered to the container inspection unit 30 corresponding to the downstream process.

In the present embodiment, the aligning machine 17 is configured by a transport wheel, and is carried in independently by receiving a plurality of grippers (not shown) provided on the circumference in the order to be described later. The plastic bottles 201, 202, and 203 are aligned in a row.
Since the alignment machine 17 has the pitches of the plastic bottles 201, 202 and 203 carried in by the first carry-in path 11A, the second carry-in path 11B and the third carry-in path 11C as described above, as shown in FIG. The PET bottles 200 are periodically aligned in a row in the order of 500 mL (PET bottle 202), 2 L (PET bottle 203), 500 mL (PET bottle 202), and 300 mL (PET bottle 201) for every 4 grippers. That is, in this embodiment, 300 mL, 500 mL, and 2 L plastic bottles are supplied downstream at a ratio of 1: 2: 1.
Here, the first loading path 11A receives the supply of the plastic bottle 201 from the blow molding machine 20, and the second loading path 11B and the third loading path 11C are supplied with the plastic bottles 202 and 203 prepared in advance. It was decided to receive, but it is just an example.

[Relationship of loading path 11 and alignment machine 17]
The aligning machine 17 grips the necks 207 of the plastic bottles 201, 202, 203. This necked portion 207 can grip the necked portion 207 with the same gripper of the aligning machine 17 because its shape and dimensions are standardized.

  The PET bottles 201, 202, and 203 to be gripped have different container heights due to different capacities, and specifically, the higher the capacity, the higher the height of the containers. Since the plastic bottles 201, 202, 203 having different heights of the containers are gripped by the neck portion 207, as shown in FIG. 6, the position in the vertical direction V of the bottom surface 208 of each of the griped plastic bottles 201, 202, 203 Will be different.

In order to cope with the difference in the bottom surface 208 based on the height of the container, the positions in the vertical direction of the first loading path 11A, the second loading path 11B, and the third loading path 11C are adjusted as follows.
The first loading path 11A is configured by the transport wheels 12A to 15A, but the gripping positions of these plastic bottles 202 by the grippers coincide with the aligning machine 17. The gripping positions by the grippers of the transport wheel 13B of the second loading path 11B and the transport wheel 13C of the third loading path 11C are the same.

  However, since the conveyor 12B of the second loading path 11B transports the PET bottle 201 whose container height is as low as 300 mL, the position in the vertical direction is set high. Further, since the conveyor 12C of the third loading path 11C is the plastic bottle 202 having a high container height of 500 mL, the position in the vertical direction is set low. However, the positions of the neck portion 207 of the plastic bottle 201 transported on the conveyor 12B and the neck portion 207 of the plastic bottle 202 transported on the conveyor 12C are the same for delivering the plastic bottles 201 and 202 to the aligning machine 17.

  As described above, in the loading path 11, the vertical positions of the plastic bottles 201, 202, and 203 in the first loading path 11A, the second loading path 11B, and the third loading path 11C are in advance in the vertical direction of the aligning machine 17. Aligned to the position. In other words, since this alignment is performed, the liquid filling system 1 can continuously fill the three types of plastic bottles 201, 202, and 203 with each other without replacing the members in the loading path 11. I assume.

[Container inspection unit 30, sterilization unit 40, rinse unit 50]
The container inspection unit 30 determines, for example, the shape defect of the plastic bottle 200, and excludes the plastic bottle 200 determined as a defect.
The sterilization unit 40 supplies a sterilizing agent containing, for example, peracetic acid and hydrogen peroxide to sterilize at least the inner surface of the plastic bottle 200.
In addition, 50 parts of rinse supplies a rinse agent, and the sterilizer supplied by the sterilization unit 40 is washed away from the plastic bottle 200.

[Filling unit 60]
The filling unit 60 is provided on the downstream side of the container inspection unit 30, the sterilization unit 40, and the rinse unit 50 so that the plastic bottle 200 that has passed through the container inspection unit 30, the sterilization unit 40, and the rinse unit 50 is supplied. The filling unit 60 is a rotary liquid that discharges drinking water toward the plastic bottle 200 from a plurality of filling valves provided corresponding to the grippers on the circumference of the conveyance wheel while gripping the plastic bottle 200 by the conveyance wheel. It is a filling device.

  The filling unit 60 sequentially receives the PET bottles 200 having passed through the rinsing unit 50 by the transport wheel, and the transport valve transfers the PET bottle 200 to the PET bottle 200 while the PET wheel 200 is transported in the circumferential direction. Fill the potable water.

  In the present embodiment, in the plastic bottles 201, 202, and 203, the neck portion 207 serving as a gripping portion by the gripper is standardized. Therefore, the filling unit 60 can continuously fill the same kind of drinking water while gripping different types of plastic bottles 201, 202, 203 with the same gripper.

  The types and the order of the plastic bottles 201, 202, 203 carried in from the container carry-in unit 10 are known, and the known information is also inherited in the filling unit 60. The control unit 110 sets the discharge amount of each filling valve according to the volume of each of the plastic bottles 201, 202, 203 by acquiring the known information. As a result, the filling unit 60 can continuously fill the plastic bottles 201, 202, and 203 having different capacities with an appropriate amount of drinking water.

[Capa 70]
The capper 70 attaches a cap to the opening 205 of the plastic bottle 200 filled with the liquid delivered from the filling unit 60 and seals the opening of the plastic bottle 200.

[Container unloading unit 80]
The container carry-out unit 80 distributes the plastic bottles 201, 202, and 203 attached with a cap, which are delivered from the capper 70, for each type, and delivers them to different carry-out paths.
As shown in FIG. 4, the container carry-out unit 80 carries out the downstream of each of the distributor 81 for distributing the plastic bottles 201, 202, 203 and the plastic bottles 201, 202, 203 distributed by the distributor 81. And an unloading path 85. Hereinafter, the distributor 81 and the delivery path 85 will be described in order with reference to FIGS. 4 and 5.

[Distributor 81]
The dispenser 81 includes a transport wheel 81A, a transport wheel 82A and a transport wheel 83A, and a transport wheel 81B and a transport wheel 82B. The conveyance wheel 81B is provided between the conveyance wheel 81A and the conveyance wheel 82A, and the conveyance wheel 82B is provided between the conveyance wheel 82A and the conveyance wheel 83A.

  The dispenser 81 receives the plastic bottles 201, 202, and 203 from the capper 70 at the transport wheel 81A. Thereafter, in the process of reaching the most downstream transport wheel 83A, the 2 L plastic bottle 203 is distributed to the first outlet 85A, and then the 500 mL plastic bottle 202 is distributed to the second outlet 85B, and finally 300 mL Is distributed to plastic bottles 203 of the That is, the first unloading passage 85A corresponds to the third loading passage 11C, the second unloading passage 85B corresponds to the second loading passage 11B, and the third unloading passage 85C corresponds to the first loading passage 11A.

  Although each of the transport wheels 81A, 82A, 83A, 81B, and 82B is formed of a rotating body, the types of holding the plastic bottles 201, 202, and 203 are different. That is, the transport wheel 81A, the transport wheel 82A, and the transport wheel 83A support the bottom surface 208 of the plastic bottle 201, 202, 203 from below.

As shown in FIG. 5A, the transport wheel 81A is rotated by a drive device (not shown) in the direction R1 in the figure, a vertical support 92 on which the bottom surface 208 of the PET bottle 200 is placed, and the PET bottle 200. And a second horizontal support 94 for supporting the position of the cap 209 of the PET bottle 200 from the horizontal direction. The vertical support 92, the first horizontal support 93 and the second horizontal support 94 rotate with the rotation shaft 91.
Since the transport wheel 81A receives three types of plastic bottles 201, 202, 203, the vertical support 92, the first horizontal support 93, and the second horizontal support 94 are in positions corresponding to the plastic bottles 201, 202, 203. It is arranged in advance. In FIG. 5A, only the vertical support 92, the first horizontal support 93, and the second horizontal support 94 corresponding to the two types of plastic bottles 203 and 202 are drawn. The same applies to FIG.

  In the transport wheel 81 </ b> A, the vertical support 92 and the first horizontal support 93 are connected to the elevating mechanism 96 via an arm 95. For example, if plastic bottles 200 having a capacity other than that of the plastic bottles 201, 202, 203 are to be filled with drinking water, the vertical support 92 and the 1) Move the horizontal support 93 up and down. Thereby, according to the height of the plastic bottle 200, the liquid filling system 1 adjusts the vertical support 92 and the first horizontal support 93 to the appropriate position in the vertical direction V.

  In addition, since the transport wheel 82A and the transport wheel 83A have the same configuration as the transport wheel 81A, the description of the configurations will be omitted. However, the transport wheel 82A does not transport the 2L plastic bottle 203, and the transport wheel 83A does not transport the 2L plastic bottle 203 and the 500 mL plastic bottle 202.

Next, the transport wheel 81B will be described.
The transport wheel 81 </ b> B grips and transports the neck portion 207 of the plastic bottle 200. As shown in FIG. 5 (b), the transport wheel 81 </ b> B has a rotating shaft 101 and a plurality of grippers 105 for gripping the neck portion 207 of the PET bottle 200. The rotating shaft 101 is rotated in the R2 direction in the drawing by a driving device (not shown). The gripper 105 is connected to the rotating shaft 101 via the arm 103 and rotates with the rotating shaft 101.

The transport wheel 81B grips the neck portion 207 of the plastic bottle 200 with the gripper 105, and thus does not have a configuration in which the container height of the plastic bottle 200 is considered.
Further, since the transport wheel 81B has the same configuration as the transport wheel 81A, the description of the configuration will be omitted.

  Further, the transport wheel 81A, the transport wheel 82A and the transport wheel 83A, and the transport wheel 81B and the transport wheel 82B are arranged so that the neck portion 207 of the plastic bottle 200 can be delivered at the same height. The transport wheel 81A, the transport wheel 82A and the transport wheel 83A support and transport the pet bottle 200 from below at the bottom surface 208, and the transport wheel 81B and the transport wheel 82B grip and transport the neck portion 207 of the pet bottle 200. Therefore, the plastic bottle 200 filled with the liquid can be delivered without moving up and down from the most upstream transport wheel 81A to the most downstream transport wheel 83A.

[Outlet 85]
The delivery path 85 axially receives each of the plastic bottles 201, 202, 203 distributed by the distributor 81, and carries out the downstream toward the downstream.
The discharge passage 85 includes a first discharge passage 85A that receives the 2 L plastic bottle 203, a second discharge passage 85B that receives the 500 mL plastic bottle 202, and a third discharge passage 85C that receives the 300 mL plastic bottle 201. The first carry-out path 85A, the second carry-out path 85B, and the third carry-out path 85C can all be configured by a conveyor device.

  The first unloading passage 85A is connected to the transport wheel 81B, and the plastic bottle 203 is dispensed. In the first unloading passage 85A, the position in the vertical direction V for transporting the plastic bottle 203 is set in consideration of the container height of the 2 L plastic bottle 203. That is, although the PET bottle 203 is transferred to the first delivery path 85A by releasing the gripping of the transport wheel 81B by the gripper 105, the distance from the bottom surface 208 of the PET bottle 203 to the transport surface of the first delivery path 85A is small. The impact of transfer is reduced by doing this. The same applies to the second unloading passage 85B and the third unloading passage 85C.

  The second carry-out path 85B is connected to the transport wheel 82B and the plastic bottle 202 is dispensed, but the position of the transport surface in the vertical direction V is set in consideration of the container height of the 500 mL plastic bottle 202.

  The third delivery path 85C is connected to the transport wheel 83A disposed on the most downstream side, and the plastic bottle 201 is dispensed, but in consideration of the container height of the 300 mL plastic bottle 201, the vertical direction V of the transport surface The position is set.

  Here, since the 2L plastic bottle 203 has the highest container height, as shown in FIG. 6, the position in the vertical direction V of the bottom surface 208 is lower than the other plastic bottles 202 and 203. Therefore, the transport surface of the first unloading passage 85A is disposed at a lower position than the second unloading passage 85B and the third unloading passage 85C. In addition, it is premised that the position of the neck part 207 of the plastic bottles 201, 202, 203 is the same. Further, as compared with the 300 mL plastic bottle 201, the 500 mL plastic bottle 203 has a higher container height, so the second unloading path 85B has a position in the vertical direction of the transport surface higher than that of the third unloading path 85C. That is, the unloading passage 85 is set such that the position in the vertical direction V becomes higher in the order of the first unloading passage 85A, the second unloading passage 85B, and the third unloading passage 85C.

[Operation of liquid filling system 1]
Next, the operation of the liquid filling system 1 will be described focusing on the container loading unit 10 and the container unloading unit 80.

[Container loading section 10]
The first loading path 11A transfers the plastic bottle 202, the second loading path 11B transfers the plastic bottle 201, and the third loading path 11C transfers the plastic bottle 203 to the aligning machine 17 in independent paths. The PET bottles 202 are every 2 pitches, the plastic bottles 201 are every 4 pitches, and the plastic bottles 203 are every 4 pitches, and the phase is adjusted to 500 mL (PET bottles 202), 2 L (PET bottles 203) in the aligning machine 17. ), 500 mL (PET bottle 202), and 300 mL (PET bottle 201), and the PET bottles 200 are periodically aligned in a row. The PET bottles 200 aligned in a row are supplied to the filling unit 60 through the downstream container inspection unit 30, the sterilizing unit 40, and the rinse unit 50 while maintaining the alignment state. In the filling unit 60, the drinking water of the volume corresponding to the alignment state is filled.

  The plastic bottle 200 filled with the drinking water is transferred to the container delivery unit 80 after the mouth 205 is covered with the capper 70.

[Container unloading unit 80]
In the container delivery unit 80, the transport wheel 81A delivers the plastic bottles 201, 202, and 203 transferred from the capper 70 to the transport wheel 81B. The transport wheel 81B discharges the 2 L plastic bottle 201 out of the plastic bottles 201, 202 and 203 received from the transport wheel 81A to the first unloading path 85A, and receives the other plastic bottles 201 and 202 on the transport wheel 82A. hand over.
The transfer wheel 82A delivers the plastic bottles 201 and 202 received from the transfer wheel 81B to the transfer wheel 82B. The transfer wheel 82B delivers 500 mL of the plastic bottle 202 out of the plastic bottles 201 and 202 received from the transfer wheel 82A to the second delivery path 85B, and delivers 300 mL of the plastic bottle 201 to the transfer wheel 83A.
The transfer wheel 83A delivers 300 mL of the plastic bottle 201 received from the transfer wheel 82B to the third unloading path 85C.

Here, when the PET bottle 201 is discharged from the transfer wheel 83A to the third delivery path 85C, for example, the plastic bottle 201 transported by the transfer wheel 83A is not moved by a guide member (not shown) provided in the third delivery path 85C. 3 Pushed out to the discharge path 85C. Thus, the plastic bottle 201 is delivered from the transport wheel 83A to the third unloading path 85C.
In addition, instead of providing the vertical support 92 on the transfer wheel 83A, an arc-shaped sliding plate for guiding the plastic bottle 201 delivered by the transfer wheel 82B to the third discharge path 85C at the height of the vertical support 92. (Not shown) may be arranged. Also according to such a configuration, the plastic bottle 201 transported by the transport wheel 83A is guided by the sliding plate and discharged to the third unloading path 85C.

[Effect of liquid filling system 1]
Hereinafter, the effect of the liquid filling system 1 of the present embodiment will be described.
In the liquid filling system 1 of the present embodiment, the container loading unit 10 has a first loading path 11A, a second loading path 11B, and a third loading path 11C for loading the plastic bottles 201, 202, and 203, respectively. Therefore, each of the first loading path 11A, the second loading path 11B, and the third loading path 11C can be made to have specifications corresponding to the plastic bottles 201, 202, and 203 in advance. Therefore, according to the liquid filling system 1, the members for the first loading passage 11A, the second loading passage 11B, and the third loading passage 11C are used for continuously filling the same drinking water in the plastic bottles 201, 202, and 203 having different capacities. There is no need to shut down because there is no need to replace the

  In addition, since the container loading unit 10 includes the aligning device 17 that supplies the PET bottles 201, 202, and 203 in a row and supplies them downstream, continuous filling can be realized without difficulty by using the rotary filling unit 60.

  In addition, the liquid filling system 1 has a first unloading passage 85A, a second unloading passage 85B, and a third unloading passage 85C through which the container unloading unit 80 unloads the plastic bottles 201, 202, and 203 toward the downstream. Therefore, the first delivery passage 85A, the second delivery passage 85B, and the third delivery passage 85C can be designed in advance to correspond to the plastic bottles 201, 202, and 203, respectively. Therefore, according to the liquid filling system 1, the members for the first carry-out path 85A, the second carry-out path 85B, and the third carry-out path 85C are used to continuously charge the plastic bottles 201, 202, and 203 having different capacities with the same drinking water. There is no need to shut down because there is no need to replace the

  In addition, the liquid filling system 1 includes a distributor 81 that distributes the PET bottles 201, 202, and 203 arranged in a line in the order of the PET bottle 203, the PET bottle 202, and the PET bottle 201. Therefore, according to the liquid filling system 1, each of the plastic bottles 201, 202, and 203 can be collected without manually performing a dispensing operation.

  As described above, according to the liquid filling system 1, the same liquid can be continuously filled in a plurality of types of plastic bottles 200. Moreover, according to the liquid filling system 1, there is no operation stop when continuously filling a plurality of types of plastic bottles 200, and the yield of production is not reduced.

  Next, in the liquid filling system 1, the first unloading passage 85A, the second unloading passage 85B, and the third unloading passage 85C are positioned according to the vertical position of the bottom surface 208 of the plastic bottles 201, 202, 203 to be dispensed. Are set respectively. Therefore, for example, even if it is attempted to discharge the 2L plastic bottle 203 whose position of the bottom surface 208 is low to the conveyor in the same vertical direction as the second unloading path 85B, the plastic bottle 203 interferes with the conveyor. On the other hand, in the container discharge unit 80 of the present embodiment, the first discharge passage 85A is in descending order of container height, in other words, in order of decreasing positions of the plastic bottle 201, the plastic bottle 202, and the bottom surface 208 of the plastic bottle 203. Since the second delivery path 85B and the third delivery path 85C are discharged, the interference between the PET bottle 200 and the conveyor constituting the delivery path 85 can be avoided.

  As mentioned above, although the preferable form of this invention was demonstrated, it is possible to sort out the structure quoted by the said embodiment, and to change it suitably to another structure, unless it deviates from the main point of this invention.

For example, in the said embodiment, the liquid with which the plastic bottle 200 is filled demonstrated the example which is drinking water. However, the present invention is not limited to this, and other liquids such as seasonings and medicines can be targeted for filling.
Moreover, in the said embodiment, although demonstrated about the plastic bottles 201, 202, and 203, this invention is not limited to this, The combination of the kind of other containers is employable.
Moreover, in the said embodiment, although the supply ratio of the plastic bottles 201, 202, 203 was set to 1: 2: 1, this invention is not limited to this, For example, the other supply ratio according to the sales results of a product It can be adopted.
Further, the pattern in which the plastic bottles 201, 202, 203 are aligned in a line in the aligning machine 17 is merely an example, and other patterns, for example, 2 L (PET bottle 203), 300 mL (PET bottle 201), 500 mL (PET bottle) 202) and 2L (PET bottles 203) may be arranged in this order.

Moreover, in the said embodiment, although the liquid is continuously filled in three types of plastic bottles 201, 202, and 203, this invention is not limited to this. The present invention may continuously fill the same liquid into two containers or four or more containers.
Moreover, although the liquid filling system 1 of the said embodiment presupposes that liquid is continuously filled in three types of plastic bottles 201, 202, and 203, drinking water can also be filled only in the plastic bottle 201, for example. Alternatively, the plastic bottles 201 and 202 can be filled with drinking water. In the former case, the plastic bottle 201 is carried in from the first carry-in path 11A, but the plastic bottles 202 and 203 are not carried in from the second carry-in path 11B and the third carry-in path 11C. At this time, the pitch of the plastic bottles 201 in the first loading path 11A and the alignment machine 17 may be narrowed for each pitch.

  Moreover, the container delivery part 80 of the said embodiment is a structure which arrange | positions the conveyance wheel of a bottom face support type | mold, and the conveyance wheel of a holding | grip type | mold alternately, and conveys the PET bottle 200. FIG. However, the container delivery unit 80 may be configured to transport the plastic bottle 200 only by the grip-type transport wheel.

  Moreover, the container used as object is not limited to a plastic bottle, and the shape and dimension of the part which can be hold | gripped can apply widely to a fixed container. In addition, although the container with which the said part is normalized corresponds typically, the said part does not necessarily need to be standardized. For example, a cap-shaped can with a bottle shape may be a target.

Reference Signs List 1 liquid filling system 10 container loading unit 11 loading route 11A first loading route 11B second loading route 11C third loading route 12A, 13A, 14A, 15A transport wheel 12B, 12C conveyor 13B, 13C transport wheel 17 alignment machine 20 blow molding Machine 30 container inspection unit 40 sterilization unit 50 rinse unit 60 filling unit 70 capper 80 container discharge unit 81 distributor 81A, 82A, 83A transfer wheel 81B, 82B transfer wheel 85 discharge passage 85A first discharge passage 85B second discharge passage 85C 3 Ejection passage 91 Rotary shaft 92 Vertical support 93 First horizontal support 94 Second horizontal support 95 Arm 96 Lifting mechanism 101 Rotary shaft 103 Arm 105 Gripper 110 Control section 200, 201, 202, 203 Pet bottle 205 Opening 207 Neck 208 Bottom 209 Cap

Claims (10)

A second loading path through which the second container is transported along a path different from the first loading path through which the first container is transported and the first loading path, and from the first loading path and the second loading path A container loading unit having the first container to be delivered and an aligning machine for supplying the second container toward the downstream;
A filling unit for sequentially filling the first container and the second container carried in from the container carrying-in unit with liquid;
A distributor for distributing the first container and the second container, a first outlet for discharging the first container distributed by the distributor toward the downstream, and the second container distributed by the distributor A second outlet for unloading the container downstream, and a second outlet for transporting the container;
A liquid filling system comprising: The container loading unit is
The first container and the second container, which are transported on the first loading passage and the second loading passage respectively, are delivered at a set interval, whereby the first container and the second in the aligning machine are transferred. The containers are lined up in a predetermined order,
The liquid filling system according to claim 1. The alignment machine is
A rotating body provided on an outer periphery thereof with a plurality of first holding tools for holding the first container and the second container;
By alternately receiving and delivering the first container and the second container, the first container and the second container are arranged in a line in a predetermined order,
The liquid filling system according to claim 2. The distributor of the container discharge unit is
A first dispenser for receiving the first container and the second container and discharging the first container to the first unloading path;
And a second distributor for receiving and delivering the second container to the second outlet.
The liquid filling system according to any one of claims 1 to 3. The first distributor is
It has a first rotating body which is conveyed while holding the first container and the second container by a plurality of holding tools provided on the circumference, and if the first container is conveyed to the first discharge path, the holding is performed Cancel and pay out to the first unloading path,
The second distributor is
It has a second rotating body which conveys the second container while holding the second container by a plurality of holding tools provided on the circumference, and when the second container is conveyed to the second unloading path, the holding is released and the second container is released. Pay out to the second unloading path,
The liquid filling system according to claim 4. The container unloading unit is
Between the first rotating body and the second rotating body, there is provided a transfer rotating body for transferring the second container transferred from the first rotating body until it is transferred to the second rotating body,
The transfer rotating body is
Conveying the second container while supporting the second container from the bottom surface;
The liquid filling system according to claim 5. The container unloading unit is
The positions in the vertical direction for gripping the first container and the second container by the first rotating body coincide with the positions in the vertical direction for gripping the second container by the second rotating body,
The first unloading passage and the second unloading passage are provided at positions in the vertical direction according to the container heights of the first container and the second container,
A liquid filling system according to claim 5 or 6. The first container is taller than the second container,
After the first container is first discharged to the first unloading path by the first rotating body, the second container is discharged to the second unloading path by the second rotating body.
The liquid filling system according to any one of claims 5 to 7. The filling section is
It is a rotary liquid filling apparatus provided with a plurality of filling valves on the circumference of a rotating body,
The liquid filling system according to any one of claims 1 to 8. The first container and the second container are resin containers having different capacities.
The liquid filling system according to any one of claims 1 to 9.

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