JPS6367229A - Carton internal continuous washer - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a rectangular parallelepiped container for containing liquids such as juice and alcohol;
That is, the present invention relates to a continuous cleaning device for the inside of a carton, which is placed before forming a bottomed cylindrical container in a series of automatic packaging systems that continuously form, fill, and seal cartons.

(Prior art) In recent years, a rectangular cylindrical container with a bottom is first made from laminated paper made by laminating thermoplastic films such as polyethylene on both sides of the paper, and then the container is filled with the material to be filled. An automatic packaging system has been developed that seals the opening and completes the package in the shape of a rectangular parallelepiped.

In this case, if the object to be filled is food such as juice or alcoholic beverages, the inside of the packaging container, i.e., the carton, should not be compressed if there is dirt or foreign matter mixed in. It is desirable to include a step for cleaning the

(Problems to be Solved by the Invention) However, in conventional automatic packaging systems, the cleaning mechanism inside the carton is not necessarily sufficient in terms of cleaning effect and efficiency, and an improvement has been desired.

The present invention has been made in view of the above circumstances, and its purpose is to provide a compact continuous carton interior cleaning device that can sufficiently and efficiently clean the interior of a carton.

(Means for Solving the Problems) This invention has the following configuration as a means for solving the above problems: a rotating shaft; an arm extending radially from the rotating shaft; and an arm attached to the tip of the arm. a carton supporting means for holding the outer surface of the carton with openings at the upper and lower ends; a rotary driving means for intermittently rotating the rotating shaft and sequentially rotating the carton supporting means; cleaning liquid injection means having one injection port that moves up and down inside the carton from above the carton support means and simultaneously sprays the cleaning liquid radially when the means is set in the cleaning position; , an air knife means located downstream of the cleaning liquid spraying means and having an air spout for scattering the cleaning liquid adhering to the inside of the carton downward from above the carton; The present invention provides a continuous carton interior cleaning device.

C) The device of the present invention clamps the outer surface of a cylindrical carton with the carton support means of the arm extending radially from the rotating shaft, rotates it intermittently, and when it stops, the cleaning liquid spraying means and the air knife means The inside of the carton is cleaned by blowing out cleaning liquid and air while simultaneously moving the carton up and down inside the carton. At this time, the cleaning liquid is discharged from the lower open end of the carton.

(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 4A is a diagram schematically showing a front configuration of an automatic packaging system to which an embodiment of the present invention is applied, and FIG. 4B is a diagram schematically showing a rear configuration.

This automatic packaging system is roughly divided into two types: as shown in FIG.
A carton manufacturing process 5 of manufacturing a bottomed cylindrical carton 3° from a carton material 3° made of laminated paper laminated with 2;
The bottomed cylindrical container 33 manufactured by the carton manufacturing process section 5 is filled with a material 6 such as alcoholic beverages or jeace, and the opening is hermetically sealed to form a container 33 as shown in FIG. The filling/packaging process section 7 completes the product A as a sealed carton 34.

The carton manufacturing process section 5 is shown in FIGS. 4A and 4B.
The configuration is as shown on the left side. That is,
This carton manufacturing process section 5 has a carton material supplying section 8 which feeds and supplies a web-like carton material 3o to its front stage, a printing section 9 which applies printing on the carton material 3o, and a printing section 9 where the carton material 3o is printed on the carton material 3o. A print positioning part z0 that adjusts the tension of the web-like carton material 3° so that the printing position matches, a first ruled line providing part 11 that gives vertical ruled lines for molding to the carton material 3°, and a joint part. An edge protection section 13 that attaches a chive 12 for preventing liquid leakage to the end face portion, a second ruled line provision section 14 that provides ruled lines other than the vertical ruled lines for molding to the carton material 3, and a part of the mark alignment center. 15. Sizing feeding/cutting unit 16 that cuts the carton material 3° with predetermined molding lines into pieces, one by one, and transports the cut and expanded carton material 31 with the lines to the subsequent process. The transport parts 17 and the like are arranged in sequence.

In addition, in the middle section, there is an expanded carton material 3 cut into one piece. A cylindrical carton material 3. is made by pasting together both longitudinal end surfaces of 3. The body seal portion 20. A cylindrical carton material formed by this body seal portion 20 3. The flattened cylindrical carton material 3. 3. When the material is received, the cylindrical carton material is transported. sterilization/foreign matter removal section 22 for sterilizing and removing foreign matter adhering to the outside; cylindrical carton material 3. a cleaning section 23 that cleans the inside of the cylindrical carton material 3. which has been cleaned in the cleaning section 23; A delivery/conveyance unit 24 is sequentially arranged to receive and convey the square tube.

Also, in the latter part, there is a rectangular cylindrical carton material 3 that has been fed by the delivery and conveyance section 24! A carton forming/delivery unit 25 is arranged to receive and form the carton 38 into a bottomed rectangular cylindrical carton 38 and deliver it to a filling/packaging process unit 7, which will be described later, with the opening facing upward. .

Further, the sterilization/foreign material removal section 22 is connected to a carton conveying means 2611C, which intermittently runs endlessly, and a carton 3. The outside of the carton 3 is then immersed in a sterilizing liquid such as hydrogen peroxide (H! The trap is designed to remove sterilizing liquid and books, etc.

Further, the cleaning section 23 is configured to clean the carton 3 by washing off the sterilizing solution and dirt inside the carton 3 with a shower of washing water, and then draining the carton with an air knife.

Therefore, the carton manufacturing process section 5 is configured as follows.
In the process, the web-like carton material 3o is automatically transformed into a bottomed rectangular cylindrical carton 3. It is possible to manufacture the product in a clean state and sequentially supply it to the filling/packaging process section 7, which is the subsequent process, with the opening section closed.

Further, the filling/packaging process section 7 has a configuration as shown in the right part of FIG. 4B.

That is, this filling/packaging process section 7 includes a filling section 31 that fills the objects to be filled 6 through the filling nozzle 30 into cartons 3 that are sequentially supplied from the carton manufacturing process section 5, and Carton 3 filled with filling 6. It had a sealing/forming part 32 which seals the opening of the container and shapes the sealed part into a predetermined state, and a carry-out part 33 which carries out the product A that has been packaged in the sealing/shaping part 32. Composition and strength.

The sealing/shaping section 32 seals the filled carton 3.
A single character shaping section 34 that shapes and closes the opening of the character into a single character.
, - A degassing/sealing section 35 that performs high-frequency sealing on the character-shaped opening in a degassed state, and a sealed carton 34 that has undergone high-frequency sealing, is taken out from a box-shaped carrier (not shown) of the conveying means, and is inverted. It has a take-out/reversal section 36, and an edge folding/welding section 37 for folding and fusing both end edges of the sealed portion of the sealed carton 34 to both side surfaces of the sealed carton 34.

In the filling/packaging process section 7 configured as described above, the bottomed cylindrical carton 3. is supplied from the carton manufacturing process section 5 and inserted into the box-shaped carrier. The packaging is completed and discharged before the package reaches the unloading section 33.

Furthermore, the area from the sterilization/foreign material removal section 22 to the takeout/reversal section 36 is covered with a sterile chamber 38, which makes it possible to carry out sanitary filling.

Next, a specific example of the carton interior continuous cleaning device according to the present invention will be described in further detail.

FIG. 1 is for explaining the arrangement of the carton internal continuous cleaning device of the present invention in the above-mentioned automatic packaging system in relation to the preceding and following processes.

That is, the carton 3. is formed into a cylindrical shape in the container manufacturing process department. is transferred to the sterilization bath 27 by the conveying means 26 while remaining flat.
After being sterilized, it is held between a plurality of pairs of rollers 41 arranged vertically, ascends while the sterilization liquid is removed, is then transferred laterally, and is further blown into a flat shape by a suction means 42. carton 3. The negative side of the carton 3 is pulled.
! is made three-dimensional.

This three-dimensional carton 3. The carton is then pushed up by a push-up par 43 disposed below, and inserted into and clamped within the carton support means 44.

This sandwiched carton3. is intermittently rotated by the rotating shaft 45 as described later, during which foreign matter is removed by cleaning liquid and air jet, and then the cylinder 3. is moved by a push-down means (not shown). is adapted to fall onto a carton receiver 46 disposed below the carton support means 44.

This carton receiver 46 is pivotably supported as shown by the arrow a, and after the carton 3t is taken from the carton support means, it is rotated about 90'' and transferred onto the transfer table 47.

This transfer table 42 is horizontally movable, and one of the carton holding arms 49 provided radially on the mandrel 48 holds the cartons 3 and 3. There is a button so that it can be inserted. Now, with this mandrel 48, carton 3. The bottom of the filling section 31 is formed and sealed.
will be transferred to.

FIG. 2.3 shows a further enlarged view of the carton interior continuous cleaning device according to the present invention. To explain this, first, the rotating shaft 45 is pivotally supported by a frame 51 via a fixed cylinder 50, and the upper end of the rotating shaft 45 is supported by a bevel gear 52.
is fixed.

This bevel gear 52 meshes with another bevel gear 54 fixed to a shaft 53, and is configured to rotate intermittently via the bevel gear 54 by an intermittent drive means.

For example, eight arms S are provided at the lower end of the rotating shaft 45 as shown in the figure.
A support member 56 having Sa to ssh extending radially is fixed. Carton support means 57 is fixed to the tips of these arms 55a to ssh, respectively. This carton support means 57 has a plurality of rod-shaped frames 58 that are vertically arranged in parallel and form a rectangular cylinder. is inserted inside it, carton 3! Carton 3! It is designed so that it can be held in place.

The carton support means 57 is stopped by the above-mentioned intermittent driving means at each of the carton insertion position, carton cleaning position, air injection position, and carton removal position for a certain period of time, as will be explained below. At the carton cleaning position, a cleaning liquid introduction vibro 0 having a cleaning liquid injection nozzle 59 at its tip is disposed above the carton support means 57. The upper end of this cleaning liquid introduction pipe 0 is connected to a cleaning liquid introduction chain (not shown) and is fixed to the tip of the first actuation arm 61.
The base end of arm fixing plate 62 is fixed to one side of arm fixing plate 62 .

As shown in FIG. 3, this arm fixing plate 62 has a pair of through holes 62a that slidably fit into a pair of shafts 63.
It is configured to move up and down along the shaft 63 by rotating the drive lever 64. Therefore, the cleaning liquid spray nozzle 59 injects the carton 3. The nozzle 59 moves up and down from its upper end to its lower end.
A cleaning liquid (for example, water) is sprayed radially from the carton 3.
．． The inside can be cleaned. At this time, one end of the liquid drain duct 65 is disposed below the carton support means 57, so that the sprayed cleaning liquid can be discharged to the outside.

A second actuation arm 66 and a third actuation arm 67 are further fixed to the arm fixing plate 62 via their base ends. These second and third actuating arms 6
Air introduction vibro 8 is installed at the tip of 6 and 67 respectively.
．． The upper end of 69 is fixed. Air injection nozzles vo and vl are installed at the lower end of these air introduction vibros 8°69.
is attached so as to spray compressed air introduced through the upper end of the air introduction vibro 8.69. The air injection nozzle 7o is the carton support means 57
located on the downstream side of the carton washing position with respect to the rotation direction of the
Air injection nozzle 71 is located downstream of air injection nozzle 70.

These air injection nozzles 70 and 71 are activated by rotating the drive lever 64 in synchronization with the cleaning liquid injection nozzle /l159. The cleaning liquid and attached foreign matter are removed by moving up and down inside the device from the upper end to the lower end.

Next, the carton 3. The operation when cleaning the inside will be explained.

First, sterilization bath P! 27, the carton 3. is sent upward by the roller 41, and is shaped into a three-dimensional cylinder by the suction means 421C. is inserted between the two frames 58 by the push-up par 43. Then, the rotating shaft 45 rotates 45 degrees in the arrow direction shown in FIG. 3, and the carton 3. The nine carton supporting means 57 are set at the carton washing position.

Then, the carton 3. Gradually descend inside. At the same time, a cleaning liquid (for example, water) is sent to the nozzle 59, and the cleaning liquid is transferred to the carton 3.
．． It is sprayed radially towards the inner wall. After this nozzle 59 reaches the bottom of the carton 3 while spraying the cleaning liquid, it stops spraying the cleaning liquid and rises again to return to its original position.

Next, the rotating shaft 45 rotates 45'' in the same direction again, and the carton supporting means 57 holds the cleaned carton 3.
is set to the first air injection position. Next, the shear introducing vibro 8 is lowered by the rotation of the drive lever 64, and the shear injection nozzle 70 is thereby injected into the carton 3 from above the carton support means 57. Gradually descend inside.

At the same time, air is sent to the nozzle 70, and the air is sent to the carton 3. It is sprayed radially toward the inner wall to remove remaining cleaning liquid and attached foreign matter. While this nozzle 70 injects air, the carton 3! After reaching the bottom, the air injection is stopped and the robot rises again, returning to its original position. Next, the rotating shaft 45 rotates 45 degrees again,
Cartons treated by this first air knife means 3. The carton support means 57 that clamps the carton is set at the second stage air injection position. Next, the residual cleaning liquid and attached foreign matter are removed by the air injection nozzle 71 in exactly the same manner as in the first process using the air knife means described above.

After this second stage air injection process is completed, the rotary shaft 4
5 rotates 45 degrees in the same direction again, and air injection treated carton 3. The carton support means 57 that clamps the carton is set at the carton removal position.

Carton 3 here. is removed downward from between the frame bodies 58 by a push-down means (forced as shown) and falls onto the carton receiver 46. This dropped carton shell R3 is sent back toward the shimadrel 48 by the rotation of the carton receiver 46 by about 90° as described above.

The carton 3t is removed and the now empty carton support means 57 is further rotated 180 degrees in the same direction and then returned to the carton insertion position.

In the case of the above embodiment, it is possible to perform the carton insertion operation, carton cleaning operation, first-stage air knife processing operation, second-stage air knife processing operation, and carton removal operation in parallel. Become.

Further, the present invention is not limited to the above embodiments, and various modifications are possible. For example, the carton cleaning operation using a cleaning liquid may be performed in multiple stages as required, and the air knife treatment operation may be performed in a single stage. moreover,
The carton cleaning operation and the air knife processing operation are not limited to being performed synchronously using the same lifting means as described above, but may be performed using separate lifting means.

(Effects of the Invention) According to the continuous carton interior cleaning device of the present invention constructed as described above, the interior of the carton is cleaned by the cleaning liquid spraying device that moves up and down inside the cylindrical carton whose outer surface is clamped, and then the air knife is immediately used to clean the interior of the carton. Since the cleaning liquid and foreign matter adhering to the inside of the tank are scattered and removed,
A sufficient cleaning effect can be obtained, and the carton support means is disposed around the rotating shaft, and while the carton is being rotated, the cleaning operation inside the carton and the scattering and removal process of foreign matter etc. using an air knife are simultaneously performed in parallel. This makes it possible to improve cleaning efficiency. Furthermore, since the cleaning liquid jetting means and the air knife are arranged around the rotating shaft, the entire cleaning device does not have a linear shape, and can be made compact.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram illustrating a carton interior continuous cleaning device according to the present invention in relation to the processing steps before and after it, and FIG. 2 is a schematic diagram illustrating the main parts of the carton interior continuous cleaning device according to the present invention. Partial sectional view, Figure 3 is II-I of the installation shown in Figure 2.
A sectional view taken along line I, @\'4 Figure A is a diagram schematically showing the configuration of the front part of a self-blade packaging system device to which an embodiment of the present invention is applied, and Figure 4B is an embodiment of the present invention. FIG. 5 is a sectional view of the carton material, and FIG. 6 is a perspective view of the completed carton. 3゜... Web-shaped container material, 31... Expanded container leaf material, 3. ... Cylindrical container material, 3. ...Bottomed cylindrical container material, 34...Airtight container, 5...Carton manufacturing process section, 7...Filling/packaging process section, 8...Carton material supply section, 9...Printing Part, 10...Print positioning part,
DESCRIPTION OF SYMBOLS 11... First ruled line provision part, 14... Second ruled line provision part, 16... Sizing feeding/cutting part, 17... Conveying part, 20... Body sealing part, 21 ...Delivery and transportation department, 2
2... Sterilization/foreign substance removal section, 23... Cleaning section, 25.
... Carton molding and delivery section, 27 ... Sterilization bath, 28
... Carton internal continuous cleaning device, 30... Filling nozzle, 31... Filling section, 32... Sealing/forming section, 35
... Degassing/sealing part, 37... Edge folding/fusion part, 41.
... Roller, 42 ... Suction means, 43 ... Push-up par, 44 ... Carton support means, 45 ... Rotating shaft,
46...Carton receiver, 47...Transfer table, 48...
・Mandrel, 49...Carton support 7-m, 52
, -54...Bevel gear, 53...Shaft, 55a
~5511... Arm, 57... Carton support means, 58... Rod-shaped frame, 59... Cleaning liquid spray nozzle,
51... First operating arm, 62... Arm fixing plate, 63... Shaft, 64... Drive lever, 65...
...Drainage duct, 66...Second operating arm, 67.
...Third working arm, 70.71...Air injection nozzle.

Claims (2)

[Claims] (1) a rotating shaft; an arm extending radially from the rotating shaft; a carton support means attached to the tip of the arm and holding the outer surface of the cylindrical carton with open upper and lower ends; a rotation drive means for sequentially rotating the carton support means; by this rotation, when the carton support means is set at the cleaning position, the inside of the carton is moved up and down from above the carton support means, and at the same time the cleaning liquid is cleaning liquid spraying means having an injection port for spraying radially; located on the downstream side of the cleaning liquid spraying means with respect to the rotating direction of the carton support means, and scattering the cleaning liquid adhering to the inside of the carton downward from above the carton; An air knife means having an air jet port for cleaning the interior of a carton. (2) The device according to claim 1, wherein the carton supporting means comprises a plurality of rod-shaped frames arranged vertically and forming a cylinder.