JP2006193180A - Container conveying system for filling line used for containers of different types - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container conveying system for filling line that can be used for bottle cans and PET bottles and substantially eliminates the need of exchangeable components. <P>SOLUTION: The container conveying system for the filling line used for containers of different types includes a transfer rotary wheel that has a rotary gripping pocket, a container bottom guide plate, and a mouth gripper between function means so that they can be used to handle bottle cans and handle PET bottles. The rotary gripping pocket, container bottom guide plate, and mouth gripper are used as follows: when bottle cans are handled, each of them is separated and fed at a predetermined pitch by a container separating screw from a supply conveyer; the bottle is conveyed by the mouth gripper in a rinser; and after the rinser, the transfer of each bottle between the function devices, namely from a filler, via a capper, to a discharge conveyer, is carried out by the container bottom guide plate and the rotary gripping pocket. The rotary gripping pocket, container bottom guide plate, and mouth gripper are also used as follows: when PET bottles are handled, each of the PET bottles separated from the supply conveyer at a predetermined pitch by the container separating screw is conveyed between the rinser and the filler by the mouth gripper; and the transfer of the PET bottle from the capper to the ejection conveyor is carried out by the container bottom guide plate and the rotary gripping pocket. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a container transport system used in a liquid filling line, and in particular, can be handled as a bottle can, a PET bottle, etc., and transports containers in fillers, rinsers and cappers, and between these functional devices. The present invention relates to a horizontal rotary container transfer system used for container delivery transfer.

  In recent years, soft drink containers have been diversified, and beverage products filled mainly in cans, bottle cans and PET bottles are now on the market. It is desirable to handle these containers with a single filling machine, but when changing containers of different sizes and shapes, there are many types of replacement parts to match the size and shape of the containers, and parts replacement Therefore, it takes a lot of time to reduce the number of replacement parts, and shortening of non-production time such as part replacement and adjustment after replacement has been a problem. In order to solve such problems, various apparatuses have been proposed.

The apparatus (FIGS. 8 and 9) of Patent Document 1 (Japanese Patent Application Laid-Open No. 2002-193905) of the conventional example is a bottle-type first having a shoulder portion as a rotary filling apparatus provided with an air elevating container base 101. This is to make it possible to use the seed container B and the second type container C such as a top open can without a shoulder.
As shown in FIG. 8, in the case of the first type container B, the container B conveyed by the first supply conveyor 120 is washed by the rinser 126 and then the container table 101 of the filler 130 via the supply star wheel 132. After being supplied and filled, it is discharged through the supply / discharge star wheel 134. The first type container B is transported at the same height as when the container table 101 is lowered most by the elevating cam 114 while the air is put into the air lifter 102 of the container table 101.

  The second type container C is supplied from the second supply conveyor 143 through the supply / discharge star wheel 134 to the container base 101 of the filler 130 for filling. At this time, the container base 101 does not allow air to enter the air lifter 102, and is set to the lowest height at which the cam follower 116 does not contact the lifting cam 114. Since the second type container C has a large opening and liquid easily spills, the container table 101 is not raised or lowered in order to minimize the movement of the container after filling.

  The container delivery device 01 of Patent Document 2 (Japanese Patent Laid-Open No. 10-181860) is shown in FIG. 10 which can handle a PET bottle 06 having a flange at the neck. The container transport conveyor 04 has a constant height and does not move up and down. When the PET bottle 06 is transported by the airflow conveyor 02, the height of the outlet of the airflow conveyor 02 is adjusted by the airflow conveyor 02 so as to be the height H2 from the bottom surface of the neck flange of the PET bottle 06 to the container bottom. .

JP 2002-193390 A (FIGS. 1 and 2) JP-A-10-181860 (FIG. 1)

The apparatus of Patent Document 1 employs a star wheel that rotates horizontally for conveyance. When handling PET bottles, each time the container is changed by preparing various types of star wheels and container guides, these replacement parts are replaced and adjusted. Need to do.
Moreover, the apparatus of patent document 2 is only a PET bottle, and the object of the container to handle is not corresponding to a can and a bottle can.

  It is an object of the present invention to provide a delivery / conveying means in which a bottle can and a PET bottle can be used in a simple operation and hardly require replacement parts, and a container conveying system for a filling line equipped with the conveying means. To do.

With respect to the above problems, the present invention aims to solve the problems by the following means.
(1) The container transport system of the first means is a rotary filling line that also serves as a container for handling bottle cans and PET bottles. Each functional means for continuously transporting containers includes a rotary grip pocket for indexing and gripping each container, and / Or provided with a gripper for gripping the mouth of each container, when handling bottle cans, the bottle cans are indexed by a container indexing screw from the supply conveyor and sent by a container indexing screw. Delivery between each functional device from the filler to the filler, capper and discharge conveyor is carried by the container bottom guide plate and rotary grip pocket, and when handling PET bottles, the container is indexed by a container indexing screw from the supply conveyor. The PET bottles indexed by Deliver with both rotary grip pocket, container bottom guide plate and mouth grip gripper between each functional means so that it can be transported by pad and delivered from the capper to the discharge conveyor by container bottom guide plate and rotary grip pocket Container transport system for filling lines that can also be used as containers equipped with a rotary wheel.

  (2) The container transport system of the second means is the container transport system of the first means. When handling the bottle can, the bottom surface of the container is the transport reference plane, and when handling the PET bottle, A container transportation system for a filling line that can also be used as a container, comprising means for allowing the height of the transportation surface of the container supply conveyor to be adjusted so that the lower surface of the flange becomes the transportation reference surface of the gripper.

  (3) In the container transport system of the third means, in the container transport system of the first or second means, the PET bottle transport system is transferred from the airflow conveyor that transports while supporting the flange of the mouth to the supply conveyor. A container transport system for a filling line that can also be used as a container, having an airflow conveyor height position adjusting means that can be adjusted to a height at which the airflow conveyor does not interfere with the bottle can.

  (4) The container transport system of the fourth means is the container transport system of the first to third means, wherein the mouth gripper provided in the above-mentioned rinser is guided to a guide fixed outside. For each bottle can or PET bottle, a rotating gripper capable of rotating 180 degrees around a circumferential tangential axis, and a gripper head that supports the rotating gripper has a means capable of adjusting the height position. Container transport system.

  (5) The container transport system of the fifth means is the container transport system of the first to fourth means, wherein the plurality of filler valves attached to the filler are fixed to the filler bowl, and each filler valve is The gripper provided is a gripper with lifting means that moves up and down while maintaining the same grip centerline position as the filler valve centerline when filling with liquid, and the height position of the filler bowl, filler valve and gripper can be adjusted at the same time Container transport system for a filling line that can also be used as a container having a simple lifting means.

  (6) The container transport system of the sixth means is the container transport system of the filling line that can be used as a container in which the capping head of the capper can adjust the height position in the container transport systems of the first to fifth means. .

  The invention according to claim 1 is the container transport system of the first means, and can handle containers such as bottle cans and PET bottles with the same rotary filling device. Since there are only two types of body diameters for bottle cans, only two sets of replacement parts are required for the conveying star wheel and guides. For PET bottles, a gripper that grasps the container mouth is used. Since it can be transported, no replacement parts are required. As described above, the rotary filling apparatus equipped with this container transport system has few replacement parts when changing the container type, so that the manufacturing cost is low, and the time and effort for replacement when changing the container type, non-production time such as adjustment, etc. Has the effect of shortening.

  The invention according to claim 2 is the container transport system of the second means, and the reference height of the container transport can be adjusted, so that it is possible to reduce the trouble of changing the container type.

  The invention according to claim 3 and claim 4 is the container transport system of the third and fourth means, and it is easy to switch between the bottle can and the PET bottle in the supply conveyor, and the number of container types can be reduced. it can.

  The invention according to claim 5 is the container transport system of the fifth means, wherein the PET bottle can be held at the liquid filling position by the gripper raising / lowering means provided for each filler, and the bottle can is formed by the container lift. Since the filling position is maintained, the container can be switched only by adjusting the height position of the filler valve support member.

  The invention according to claim 6 is the container transport system according to the sixth means, wherein the container is transported by the container pocket and the lower support, and the container is switched by changing the container pocket and adjusting the height position of the capping head. It can correspond to.

  This embodiment is a container delivery / conveyance system between functional devices such as a container supply conveyor, a filler, a rinser, a capper, and a container discharge conveyor that can be handled as a bottle can and a PET bottle. explain.

  FIG. 1 is a plan layout view of a rotary liquid filling line, FIG. 2 is a side view showing a container supply conveyor in the liquid filling line of FIG. 1, (a) is a diagram showing a state where a bottle can is conveyed, and (b) is a PET bottle. FIG. 3 is a side view showing a state in which the bottle can is conveyed by a delivery rotary wheel from the container supply conveyor of the liquid filling line of FIG. 1 to the rinser, and FIG. 4 is the same rotary wheel as FIG. FIG. 5 is a side view showing the structure of the rinser in the liquid filling line of FIG. 1, and FIG. 6 is a side view of the filler in the liquid filling line of FIG. FIG. 7A is a side view showing the opened state, FIG. 7A is a view showing a state where the bottle can is placed, FIG. 7B is a view showing a state where the bottle can is pushed up to the liquid filling position, and FIG. 7 is the same as FIG. Fira It is a side view which shows the state in which the container was carried to the filler valve position, (a) is a figure which shows the state in which the PET bottle was carried, (b) is a figure which shows the state in which the PET bottle was pulled up to the liquid filling position. .

  In the plan layout diagram of the rotary liquid filling line in FIG. 1, when filling the bottle can 15 with liquid, the bottle can 15 sent by the bottle can conveyor 1 is guided to a container side guide (not shown) and supplied to the container. It is delivered to the conveyor 17. The bottle cans 15 sent by the container supply conveyor 17 are indexed at regular intervals by the container indexing screw 3 and passed through the container holding pocket 27 of the rotary wheel 5 delivered on the basis of the container bottom as shown in FIG. Is transferred to the rotating gripper 33 (FIGS. 3 and 5) of the rinser 6 provided with the inside, and the inside of the bottle can 15 is cleaned in the rinser 6.

  Next, the product is delivered to the filler 8 on the basis of the container bottom via the rotary wheel 7 delivered on the basis of the container bottom, and the bottle can 15 is filled with the filler 8 by the lifting and lowering operation of the can lift 69 (FIG. 6). . Again, it is sent to the container bottom reference capper 10 through the container bottom reference rotary wheel 9, where the cap liquid is sealed by molding capping. The liquid-sealed bottle can 15A is transferred to the container discharge conveyor 12 by the rotary wheel 11 based on the container bottom, and is sent to the next step.

  On the other hand, when filling the PET bottle 16 with the liquid, the PET bottle 16 sent by the airflow conveyor 2 is delivered to the container supply conveyor 17. The PET bottles 16 sent by the container supply conveyor 17 are indexed at regular intervals by the indexing screw 3 and pass through the gripper 25 of the rotary wheel 5 delivered on the basis of the container bottom as shown in FIG. 6 to the rotating gripper 33 and the inside of the PET bottle 16 is cleaned in the rinser 6.

  Next, the PET bottle 16 is transferred from the rotating gripper 33 to the gripper 25 of the rotary wheel 7, and is transferred from the gripper 25 of the rotary wheel 7 to the gripper 25 (FIG. 7) provided for each filler valve. Liquid filling is performed by raising and lowering the gripper 25. The PET bottle 16 transferred from the gripper 25 of the filler 8 to the container bottom guide plate and the container holding pocket (not shown) of the rotary wheel 9 is sent to the container 10 serving as a container bottom reference, where the cap liquid is sealed by molding capping. The The liquid-sealed PET bottle 16A is transferred to the container discharge conveyor 12 by the rotary wheel 11 based on the container bottom, and is sent to the next packaging process.

When the container size and type of the bottle can and the PET bottle are changed, it is necessary to replace or / and adjust the container indexing screw 3 and the parts constituting the pocket of the rotary wheel. Further, it is necessary to adjust the interval between the container side guides (not shown), the relative height interval between the airflow conveyor 2 and the container supply conveyor 17, the height of the gripper head, the height of the filler valve head, and the height of the capping head.
In the following, the configuration and operation mainly using the transport method will be described for each functional means.

  In FIG. 2A, the bottle can 15 having a height b is transferred from the horizontal bottle can conveyor 1 to the horizontal container supply conveyor 17. At this time, the container conveyance surfaces of the bottle can conveyor 1 and the container supply conveyor 17 have the same height. On the container supply conveyor 17, the bottle cans 15 are sent in contact with each other in a line. The conveyance surface height of the container supply conveyor 17 can be adjusted by conveyor lifting means 18 such as a jack (a plurality of containers are provided in the longitudinal direction of the container supply conveyor 17). The jack 18 is composed of a drive unit 18a composed of a worm gear and a trapezoidal screw installed on the floor, and an elevating rod 18b connected to the drive unit 18a. The raising / lowering rod 18b is fixed to the lower part of the frame 17a of the container supply conveyor 17, and the container supply conveyor 17 is moved up and down by the drive part 18a. The airflow conveyor 2 is installed above the container supply conveyor 17 e (e> b). When the bottle can 15 is used, as shown in FIG. 2A, the container supply conveyor 17 is lowered by the conveyor lifting means 18 so that the airflow conveyor 2 and the bottle can 15 do not interfere with each other. . Depending on the height of the bottle can 15, instead of lowering the container supply conveyor 17, the airflow conveyor 2 may be raised to a position where the bottle can 15 does not interfere. In that case, the airflow conveyor 2 moves up and down while being guided by the support pillar 17b provided in the airflow conveyor 2, and the vertical position is adjusted by the fixing device 2a.

  FIG. 2B shows a case where the PET bottle 16 is transferred from the airflow conveyor 2 to the container supply conveyor 17. The conveying surface of the container supply conveyor 17 is raised by d from the state of FIG. 2A by the conveyor lifting / lowering means 18, and the height of the container conveying edge of the airflow conveyor 2 is the lower height of the flange at the neck of the PET bottle 16. Adjust to c. Note that the air flow conveyor 2 may be slightly inclined toward the outlet so that the transfer of the PET bottle 16 is smooth.

  The rotary wheel 5 shown in FIGS. 3 and 4 includes an upper table 22 and a lower table 24 that rotate in synchronism with all the functional devices of the liquid filling line. The cylindrical body 21 is fixed, and a cam 34 is attached to the cylindrical body 21. When the cam 34 is engaged with the gripper 25, the grip finger of the gripper 25 is opened. A container holding pocket 27 surrounding the side surface of the bottle can 15 is attached to the lower table 24, and a fixed guide plate 26 that supports the bottom of the bottle can 15 is fixed. An upper surface of the fixed guide plate 26 is a reference plane for bottle can conveyance. It has become. Further, the height position of the upper table 22 can be adjusted.

  The containers arranged in contact with each other on the container supply conveyor 17 are indexed at regular intervals by the container indexing screw 3 provided at the end of the container supply conveyor 17, as shown in FIG. 3 is delivered to the rotary wheel 5 on the basis of the container bottom, enters the container holding pocket 27, is carried on the circumference, and is delivered to the rinser 6.

  The PET bottle 16 is indexed at regular intervals by the container indexing screw 3, and is gripped by the gripper 25 on the basis of the lower flange side of the neck as shown in FIG. When the gripper 25 is engaged with the externally fixed cam 34, the grip finger is opened, and the upper table 22 rotates, and the neck portion of the PET bottle 16 indexed by the container indexing screw 3 is delivered. Grip, rotate, carry to the delivery position of the rinser 6, engage with the cam 34 again, open the grip finger, and deliver the PET bottle 16 to the rotating gripper 33 of the rinser 6.

  5, the bottle can 15 and the PET bottle 16 are both gripped by the rotating gripper 33 that circulates on the horizontal circumference, guided by the gripper rotating guide 75, and R2 shown in FIG. The range is inverted and the inside is cleaned with cleaning water ejected from the cleaning nozzle 76 from below. Reference numeral 74 denotes a cam for opening the gripping finger of the turning gripper 33, and the angles indicated by R <b> 1 and R <b> 3 in FIG. 1 are an angle range of the turning process of the turning gripper 33 by the gripper turning guide 75.

  The main body frame 71 is supported by a plurality of jacks 85, and a rotating shaft 73 is rotatably supported by the inner cylinder portion. A rotating plate 72 is fixed to the upper portion of the rotating shaft 73, and a plurality of rotating grippers 33 are attached to the outer periphery of the rotating plate 72 at an equiangular pitch. The rotary shaft 73 is driven via a gear 82, a timing belt 83, and a large gear 84 by a motor 81 that is operated in synchronization with other functional devices of the filling line. The cleaning water is supplied to the cleaning nozzle 76 through the rotary joints 77 and 78. Reference numeral 79 denotes a drainage tank that has been cleaned.

  The bottle can 15 is gripped by the rotation gripper 33 of the rinser 6 and moved to the rinser 6. When the PET bottle 16 is used, the entire rinser 6 is adjusted up and down by the jack 85, and the grip height position of the rotation gripper 33 is Match the grip height position of the gripper 25 of the supply-side rotary wheel 5. As a result, the PET bottle 16 is transferred from the gripper 25 to the gripper 33.

  When the container is transported from the rinser 6 to the filler 8, the cleaning section is lengthened in the rinser 6, and in the filler 8, the rotary wheel 7 is interposed between the two in order to take sufficient filling timing. Intervene. Since the configuration of the rotary wheel 7 is the same as the configuration of the rotary wheel 5, the description of the configuration is omitted. When the bottle can 15 is transferred from the rinser 6 to the rotary wheel 7, the fixed guide plate 26 and the container holding pocket 27 of the rotary wheel 7 from the rotating gripper 33 on the rinser 6 side, and the fixed guide from the rotary wheel 7 to the filler 8. It is transferred from the plate 26 and the container holding pocket 27 onto the container lift 69. The height position of the fixed guide plate 26 of the rotary wheel 7 and the height position of the container lift 69 of the filler 8 are adjusted to match the position of the bottle can 15 in the previous process.

  When the PET bottle 16 is transferred from the rinser 6 to the rotary wheel 7 and when it is transferred from the rotary wheel 7 to the filler 8, the PET bottle 16 is transferred from the gripper to the gripper. The height position of the gripper 25 of the rotary wheel 7 and the height position of the gripper 25 of the filler 8 are adjusted so as to match the positions of the grippers 33 and 25 of the previous process, respectively.

  In the filling valve of the filler 8 shown in FIGS. 6 to 7, the filler bowl 51 and the valve body 53 are fixed to a filling valve head (not shown) of the filler 8. The height position of the filling valve head can be adjusted. This filling valve is provided with a gripper raising / lowering means 50 capable of moving the gripper 25 up and down along the central axis of the valve. The gripper lifting / lowering means 50 includes a plurality of guide shafts 61 attached to a pedestal 57 fixed to the upper portion of the valve body 53, an air cylinder 65 installed on the upper portions of the plurality of guide shafts 61, and a drive shaft of the air cylinder 65. A slide member 62 coupled to 65a and guided by a plurality of guide shafts 61 to slide up and down, a cam follower 63 attached to the slide member 62, a gripper lifting cam 64 attached to an outer fixing member, and a slide member 62 The gripper support plate 66 and the gripper 25 are attached to both sides of the gripper. The air cylinder 65 has an action of pulling up the gripper lifting / lowering means 50 upward by a weak air pressure.

  When the bottle can 15 or the PET bottle 16 comes to the container delivery position, the gripper 25 is pushed down to the container grip position by the gripper lifting cam 64 of the gripper lifting means 50, and the gripping finger opened by the cam 8a is moved to the cam 8a. When is released, close and grip the container.

  When the bottle can 15 is being transported, as shown in FIG. 6A, the rotary wheel 7 to the filler 8 is delivered to the container lift 69, and the bottle can 15 is placed on the container lift 69. It is gripped with. The bottle can 15 is held by the container lift 69 and the gripper 25, and as shown in FIG. 6 (b), the height hb rises and is pressed against the container-sealing packing 56 below the filling valve. Then, the liquid valve 54 is opened by the operation of the air cylinder 58 and filled with liquid. The amount of the filling liquid is integrated with the liquid flow meter 86, and the liquid valve 54 is closed when the amount reaches an appropriate amount. The air in the container passes from the air passage of the liquid valve 54 through the air pipe 88 to the filler bowl 51. The angle range F1 of the filler 8 shown in FIG. 1 indicates the rising area of the container, F2 indicates the filling area, and F3 indicates the falling area of the container.

  When the PET bottle 16 is being conveyed, it is transferred from the rotary wheel 7 to the filler 8 from the gripper 25 to the gripper 25, and the PET bottle 16 is supported by the gripper 25 and raised by the gripper lifting / lowering means 50 to a height distance hb. Then, it is pressed against the container mouth-sealing packing 56 below the filling valve to be filled with fresh liquid. The filling operation is the same as that of the bottle can 15.

  The rotary wheel 9, the capper 10, the rotary wheel 11, and the container discharge conveyor 12 after the filler 6 are transported on the basis of the bottom surface of the bottle using a conventional general-purpose device. Therefore, the height of the container receiving plate surface of each functional device may be equalized with reference to the bottom surface of the bottle can 15 or the PET bottle 16 delivered from the filler.

It is a plane layout figure of the rotary liquid filling line which concerns on embodiment of this invention. It is a figure which shows the container supply conveyor in the liquid filling line of FIG. 1, (a) is a side view which shows the conveyance state of a bottle can, (b) is a side view which shows the conveyance state of a PET bottle. It is a side view which shows the state in which a bottle can is conveyed by the rotary wheel for delivery to the rinser from the container supply conveyor of the liquid filling line of FIG. It is a side view which shows the state in which a PET bottle is conveyed by the rotary wheel for delivery to the rinser from the container supply conveyor of the liquid filling line of FIG.

It is a side view which shows the structure of the rinser in the liquid filling line of FIG. It is a figure which shows the state by which the container was placed in the filler valve position of the filler in the liquid filling line of FIG. 1, (a) is a side view which shows the state in which the bottle can was placed, (b) is a liquid filling position in the bottle can It is a partially broken side view which shows the state pushed up. It is a figure which shows the state in which the container was conveyed to the filler valve position of the filler in the liquid filling line of FIG. 1, (a) is a side view which shows the state in which the PET bottle was conveyed, (b) is a liquid filling position in the PET bottle. It is a side view which shows the state pulled up.

It is a plane layout figure which shows the conventional container combined filling line. It is a figure which shows the container combined operation of the filling valve of the filler used for the filling line of FIG. 8, (a) is a side view in the case of filling a bottle can, (b) is in the case of filling a top open can It is a side view. It is a side view which shows the example of the other conventional container combined use conveying apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bottle can conveyor 2 Airflow conveyor 3 Container indexing screw 5, 7, 9, 11 Rotary wheel 6 Rinser 8 Filler 10 Capper 12 Container discharge conveyor 15 Bottle can 16 PET bottle 17 Container supply conveyor 18 Conveyor raising / lowering means 21 Cylindrical body 22 Support Table 24 Lower table 25 Gripper 26 Fixed guide plate 27 Container holding pocket 33 Rotating gripper 50 Gripper elevating means 51 Filler bowl 54 Liquid valve 62 Slide member 63 Cam follower 64 Gripper elevating cam 66 Grip support plate 69 Container lift 71 Body frame 72 Rotating plate 74 Cam 75 Gripper turning guide 76 Cleaning nozzle 85 Jack

Claims (6)

  In a rotary filling line that also handles bottle cans and PET bottles, each functional means for continuously transporting containers includes a rotary gripping pocket for indexing and gripping each container and / or a gripper for gripping the mouth of each container. When handling bottle cans, the bottle cans are indexed from the supply conveyor by a container indexing screw and sent to the specified pitch, and in the rinser, each function from the mouth gripper to the filler after the rinser, the capper and the discharge conveyor Delivery between devices is carried by a container bottom guide plate and a rotary grip pocket. When handling PET bottles, PET bottles indexed at a predetermined pitch by the container indexing screw from the supply conveyor are transferred from the rinser to the filler. Is transported by the mouth gripper and discharged from the capper. In order to enable delivery by means of the container bottom guide plate and the rotary grip pocket, a delivery rotary wheel having both the rotary grip pocket, the container bottom guide plate and the mouth grip gripper is provided between the functional means. A container transfer system for a filling line that can also be used as a container. In the container transport system according to claim 1, when handling a bottle can, the bottom surface of the container is used as a transport reference surface, and when handling a PET bottle, the lower flange surface of the container mouth is a transport reference surface of the gripper. A container conveying system for a filling line which can also be used as a container, comprising means for adjusting the height of the conveying surface of the container supply conveyor. 3. The container transport system according to claim 1, wherein the air flow conveyor does not interfere with the bottle can when the PET bottle transport system is configured to be delivered from the air flow conveyor that transports while supporting the flange of the mouth. A container conveying system for a filling line that can also be used as a container, characterized by having height position adjusting means for an airflow conveyor that can be adjusted to a height.   4. The container transport system according to claim 1, wherein the mouth gripper provided in the above-mentioned rinser is guided to a guide fixed outside to each bottle can or a peripheral tangent axis for each PET bottle. A container conveying system for a filling line that can also be used as a container, characterized in that a rotating gripper capable of rotating 180 degrees around and a gripper head that supports the rotating gripper has means for adjusting the height position.   5. The container transport system according to claim 1, wherein a plurality of filler valves attached to the filler are fixed to the filler bowl, and a gripper provided for each filler valve is a center line of the filler valve at the time of liquid filling. The gripper has lifting means that moves up and down while maintaining the same grip center line position, and the filler bowl, the filler valve, and the gripper have lifting means whose height position can be adjusted at the same time. Container transfer system for filling line.   6. The container transport system according to claim 1, wherein the height position of the capping head of the capper can be adjusted.

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