JPH0369423A - Container filling and sealing machine - Google Patents

Abstract

PURPOSE:To achieve compactness in structure and improvement in efficiency of the filling operation by a method wherein the mouth for a container in the packing is held from within the container by a void device in a device for hot-seal of a mouth and, when a supersonic vibration horn is actuated to attach the mouth by vibrational fusion, a means for cleaning is inserted into the container through the opening of the void supporting device. CONSTITUTION:A mouth 4 for a carton is brought into alignment with a supersonic vibration horn 37, which is then moved to the carton; after fitting the mouth 4 to the forward part of the horn 37, the horn 37 is actuated so that the mouth 4, supported by an anvil 36, is vibrated at high speed and undergoes mutual fusion in part with the carton at the part where they are in contact with each other by heat evolving from the friction between the mouth and the inner side of the carton; thus adhesion of the one of the other results. Next, a lead pipe 41 is inserted into the carton 5 through the opening of the anvil 36, and aseptic air is ejected against the inner side of the carton from a nozzle 42a at the tip of a blow pipe so that extraneous matter attaching to the inner side of the carton is blown up and sucked into a lead pipe 42. This constitution enables a compact device to efficiently provide containers in packing.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Fields] The present invention is directed to a method for automatically filling a packaging container with a liquid material such as alcoholic beverages or juice and sealing the opening thereof. Regarding T-seal machines.

[Conventional filling and sealing machines for filling alcoholic beverages, juices, etc. into multi-layered paper packaging containers, commonly referred to as paper packs,
A temporary folding station that temporarily folds the filling opening at the top of the packaging container filled with these genuine J products, a heating station that heats the peripheral edge of this opening, and a heating station that heats the peripheral edge of the opening and tightly layers the heated peripheral edge with each other. , looking down at the press station that seals this upper opening. The packaging container is transported intermittently and stopped at each of these stations for a predetermined period of time.

In order to pour out the limb filling material, the packaging container packed by this type of filling and sealing machine is provided with a spout having a body part that projects to the external force of the packaging container and an adhesive part that is adhered to the packaging container. There are some things.

Furthermore, for packaging containers equipped with a spout, a small hole is formed in the packaging container, and the main body of the spout protrudes through the small hole, so that the blood on the main body side of the adhesive part is drained onto the inner surface of the packaging container. There is a type with what is commonly known as an internal welding method that uses ultrasonic welding. In the case of this packaging container, paper dust and the like may be generated due to ultrasonic welding, especially the vibration. For this reason, a filling and sealing machine has been developed that is equipped with a cleaning device that cleans the inside of the packaging container before filling it with the material to be filled.In addition to removing foreign substances, it also eliminates the characteristic odor of resin Hamura in packaging containers. Can be removed.

[Problems to be Solved by the Invention] According to conventional fill-seal machines, a cleaning device is placed at one independent station for performing various packaging steps to complete packaging. This lengthens the packaging process and increases the size of the filling and sealing machine. In particular, when the stations forming each packaging process are arranged in a circle and the packaging containers are transported along each station by an intermittently rotating turntable, the intervals between adjacent stations are narrow and the cleaning device is Difficult to newly place.

The present invention was made to solve the above-mentioned problems.
It is an object of the present invention to provide a filling and sealing machine that has a compact structure and can efficiently fill materials.

[Means for solving the problem] The filling and sealing machine of the present invention has a hollow support member inserted into a packaging container and an ultrasonic vibration horn placed outside the support member, and has a hollow support member inserted into a packaging container and an ultrasonic vibration horn placed outside the support member. A spout welding device that welds the attached spout to the packaging container; a broach 1 that is pushed into the packaging container through the opening of the hollow support member and blows air onto the inner surface of the packaging container; A cleaning means having a suction tube that suctions foreign matter blown away from the inner surface;
The present invention includes a filling device for filling a predetermined amount of filling material into a packaging container with a stopper welded thereon and a clean interior, and a sealing device for sealing the packaging container filled with the material to be filled.

Preferably, the cleaning means includes a double pipe in which a blow pipe is disposed within the suction pipe.

[Operation] According to the filling and sealing machine of the present invention, the cleaning means is pushed into the packaging container through the opening of the hollow support member of the plug welding device. For this reason, the hollow member of the spout welding device supports the spout from inside the packaging container, and when the ultrasonic vibration horn vibrates and welds the spout, ? i! The cleaning means is pushed into the packaging container through the opening of the hollow support member, and air is blown onto the inner surface of the packaging container from the blow tube. The objects blown away by this air are suctioned from the suction tube.

If the cleaning means uses a double pipe with a blow pipe placed inside the suction pipe, foreign matter blown away by the blow pipe will be immediately sucked up by the suction pipe placed around this pipe, fall to the bottom, and remain. There is no fear of it happening.

[Example of length] f? Figure S1 shows the overall structure of a filling and sealing machine 10 according to an embodiment of the present invention.

This filling and sealing machine 10 is formed in two stages, upper and lower, and a bottom molding section 11 is arranged in the lower stage for folding the bottom of a hollow prismatic paper packaging container open at both ends flat and sealing it. A filling and sealing section 20 is disposed on the upper stage for filling a predetermined amount of a substance to be filled, such as alcoholic beverages or juice, from the upper opening of the packaging container formed at the bottom, bending the upper part, and sealing the packaging container to complete the packaging container. There is.

As shown in FIG. 2, this packaging container 5, hereinafter referred to as a carton, has a lower part 6 that is sealed in a flat shape along ruled lines formed in a desired shape in advance, and a lower part 6 that is sealed flat along ruled lines formed in a desired shape in advance. and an upper part 7 which is sealed like a roof along the
The upper part has a small hole 8 into which a normal plug is attached. A spout is installed through this small hole 8 before filling with the material to be filled.

As shown in FIGS. 1 and 2, eight mandrels 12a on which the carton 5 is mounted are protruded in the shape of a bottom molded part 1 which seals the eaves part 6 of the carton 5. A turret 12 is arranged, and this turret is intermittently rotated in the direction of arrow X shown in FIG. Around the turret 12, in order along the rotation direction of the turret,
Mounting position A where the carton 5 is mounted and the bottom 6 of the carton
a heating position B in which a heater 13 is disposed to heat the peripheral edge of the opening; a folding device C in which a folding device 14 is disposed to fold the Ji portion 6 along a predetermined bending line;
There are a press position where a press device 17 is placed to seal the bottom 6 which has not been heated and is shaped into a predetermined shape, and a take-out position E where a carton whose bottom has been sealed is taken out. In addition, in the loading position A and the unloading position E of the bottom molded part 11, the mandrel 12a protrudes from the side opening of the filling seal mechanism 0, and can be easily approached. This situation is shown in FIG.

In this bottom molded part 11, the turret 12 is located at the mounting position A.
When the carton is stopped, the carton 5 with both ends open is mounted on the mandrel 12 with its upper part 7 first. The carton 5 may be installed automatically by an appropriate mechanism,
Alternatively, it may be done manually. Also, each mandrel 1
Preferably, 2a is provided with a stopper that can adjust the depth of insertion of the carton.

When the turret 13 rotates and reaches a heating position B aligned with the heater 15, hot air is blown from the heater to a desired location on the bottom of the carton, thereby heating the resin layer on the inner surface of the carton. After being further rotated, the bottom part 6 is bent along a predetermined folding line at a folding position C aligned with the folding device]6, and further rotated to a press position while being held in this state by a guide rail (not shown). .

By the press device 17 disposed at the press position, the bottom portion 6 of the carton 5 is firmly compressed between the tip of the mandrel 12 and the press device 17, and is sealed into a flat shape. The carton 5 with its bottom 6 sealed is taken out from the bottom molding section 1 at the removal position E and then sent to the filling sill section 20 arranged above the filling and sealing machine.

3 and 4 show the filling seal portion 2o.

Eight carton pedestals 21 are installed in this filling J true seal part 20.
(Only two are shown in Figures 3 and 4) A rotary drive mechanism or turntable fixed at 2ε intervals is arranged, and a 1''-shaped guide rail that supports the caton is placed below the pedestal 21. 22 are installed. This turntable is intermittently rotated in the direction of arrow Y by the same driving source as the turret 12 of the bottom molding section 11, and the carton 5 mounted on the pedestal 2 is conveyed along the guide rail 22.

A mounting station 23 for mounting the carton 5 onto the pedestal 2 in order along the conveyance path of the carton 5 formed by the guide rail 22, and a plug mounting station 24 for mounting the plug 4 into the small hole 8 of the carton. , a folding station 25 for temporarily folding the upper part of the carton 5, and a welding station 26 for welding the spout 4 to the carton 5 are arranged. Furthermore, on the downstream side of the conveyance path, there are a filling station 27 for injecting a predetermined amount of material to be filled into the carton 5, a heating station 28 for applying heat to a predetermined portion of the upper part 7, and a sealing station 2 for sealing the upper part 7. The empty carton 5 is discharged from the discharge station 30.

In the full length embodiment, the spout 4 is pushed into the small hole 8 of the carton from the inside at the spout installation station 24, but the spout 4 is inserted in advance at the installation station 23 or before this. You can.

As shown in Fig. 4, this spout 4 has a small diameter cylindrical main body protruding outward through a small hole 8, and a large diameter disc-shaped adhesive part attached to the carton. Adjacent adhesive parts are ultrasonically bonded to the inner surface of the carton.
; It is a J type.

A temporary folding device 32 disposed at the temporary folding station 25 operates a frame 33 that is moved up and down by an appropriate driving means such as an air cylinder. A pair of triangular folding plates 33b are pivotally attached to the lower end of the frame 35, and the sides of the carton 5 adjacent to the spout are folded inward. These folding boards 3
3b is connected to drive means via appropriate links 33a and collapses inwardly when the frame 33 is lowered.

Therefore, Carton 5 is tentatively ↑Noiristic John 25
When stopped at , the frame 32 is lowered onto this carton 5. The opposing (III7) walls of the upper part of the carton 5 are internally folded in from both sides by the folding plates 37, and the upper part of the carton is temporarily folded into a roof shape.

The thus temporarily folded carton 5 gradually returns to its original shape and is conveyed to the welding station 26.

As shown in FIG. 5, the welding station 26 includes a conventional ultrasonic welding device 35 and a
Air cylinder 3 that aligns the air cylinder 4 with the super 8゛ wave melting device
8 are arranged.

This ultrasonic welding device is inserted into the carton 5 and the spout 4
It has a hollow support part side, that is, an anvil 36 that supports the spout from the inside, and an ultra-8-wave vibration horn 37 that vibrates the spout at high speed. When the carton 5 is raised by the actuating cylinder 38 via the rod 38a, the anvil 36 is pushed into the upper opening of the carton and the ultrasonic vibration horn 31 moves in the direction of the anvil 36 to the position shown in phantom. As a result, the tip of the ultrasonic horn 36 is fitted into the spout 4 attached to the carton 5, causing the spout 4 to vibrate. The resin layer on the inner surface of the carton 5 is melted by the frictional heat generated by this high-speed vibration, and the spout 4 and the carton 5 are bonded liquid-tightly.

A cleaning device 4o is disposed at the welding station 26 in order to remove foreign matter such as paper scraps and odors that may remain inside the carton 5 by vibration of the plug 4 by the ultrasonic welding device 35.

As shown in FIG. 6, this cleaning device 40 is incorporated into the ultrasonic welding device 35, and includes a lead pipe 41 that is pushed into the opening of the anvil 36, and a blow pipe 42 that is placed inside the lead pipe. Equipped with This lead pipe 41 is connected via a flexible pipe 43 to an appropriate vacuum pressure source such as a blower. blow pie
2. The pipe 42 is connected to an appropriate air pressure source, and a nozzle 42a is attached to the tip (-J). Fixed.

The lead pipe 41 of the cleaning device 40 is attached to an operating cylinder 45 via a bracket 44, and the operating cylinder 45 moves up and down along a guide rod 45a.

A scale 41a is attached to the outer peripheral surface of this lead pipe 41, and based on this date scale 41a, the bracket 4
The position of the slot 4 can be changed to a position corresponding to the capacity of the carton 5.

Carton 5 transported from the temporary folding station 25
When the carton 5 stops at the welding station 26, this carton 5
is raised by the actuating cylinder 38 via the rod 38a, and its upper part is fitted onto the anvil 36. When the spout 4 of the carton reaches a position where it is aligned with the super-wave vibration horn 37, the horn 37 is moved toward the carton, and after the spout 4 is fitted to its tip, it is activated. The spout 4 supported by the umbil 36 is vibrated at high speed, and the heat generated by friction with the inner surface of the carton causes the contact portions of both to partially melt and contact each other.

Furthermore, when the carton 5 is raised to weld the spout 4, the actuating cylinder 45 of the cleaning device 40 is lowered. The lead pipe 41 is pushed into the carton 5 through the opening of the anvil 36, and the nozzle 42 at the tip of the blow pipe is inserted.
Sterile air is blown out from B towards the inner surface of the carton.
Foreign matter attached to the inner surface of the carton is lifted up by this ejected air.

These foreign substances, along with the odor of the resin material, are sucked into the lead pipe 42 which communicates with the vacuum pressure source. Since the lead pipe 41 is pushed into the carton 5 together with the nozzle 42a and the opening of the lead pipe is arranged inside the carton, even relatively large foreign objects are immediately sucked in and do not remain inside. The cleaning process inside the carton 5 using the nozzle 42a and the lead pipe 41 is carried out by the lead pipe 41 using an appropriate valve mechanism.
This can be carried out in one or both of the lowering step and the upper +r- step.

4 The carton 5 from which foreign objects and odors have been removed is filled 1'
+Moved to station 25.

As shown in Figures 3 and 4, filling station 27
A tank 48 for accommodating the material to be filled is arranged.

A filling pipe 48a extends from this tank 48, and a required amount of wave light is filled from this filling pipe while the carton 5 is stopped.

The carton filled with the required amount of material is sent to a sealing station 29 via a filling station 4 and a station 28.

A heating device 42 disposed in the heating station 27 is inserted into the inside of the carton 5 and has a heating section 42 that blows out hot air from the periphery of the heating device 42 to heat the resin layer on the inner surface of the carton 5.

A sealing device 50 for sealing the top of the carton 5 in a roof-like manner is disposed at the sealing station 29. This sealing device 50 includes a pair of clamp plates 51 that press the upper end of the carton 5, and a pair of claw members 52 that presses inward the side surface of the upper part of the carton adjacent to the spout. When the carton is lowered upward, the claw members 52 press the side walls of the upper part of the carton inwardly, and at the same time, the clamp plates 51 firmly press the upper ends of the carton together. For this reason,
Carton 5 with its top temporarily folded into a roof shape and heated
is completely sealed at this sealing station 29, and the wave-optical piece is completely encapsulated inside, after which it is carried out from the discharge station 30. In FIGS. 1 and 3, a support table 60 for holding a completed carton 5 is shown diagrammatically.

When filling beverages such as alcohol or juice with the filling and sealing device 10, the cartons 5 are attached one by one to the mandrels 12a of the tar four knots 12 arranged in the bottom molding section 11 of the lower stage. As shown in FIG. 2, the turret 12 rotates intermittently, and while the carton 5 is conveyed through the heating position B, folding position C, and press position, the bottom of the carton 5 is folded flat and sealed. be done. The carton 5 whose bottom part has been molded is removed from the mantel 6 toll 12a at the removal position E of the bottom molding part, and the upper filling seal n1≦20 is removed.
Move to.

As shown in FIG. 4, at the mounting station 23 of the filling seal section 20, the carton 5 is placed on the pedestal 21 with the top opening facing upward.
When installed, the bottom part is supported by the guide rail 22 and the turntable is used to sequentially move the parts. When the carton 5 with the spout 4 attached to the small hole 8 passes through the temporary folding station 25 and reaches the welding station 26, the carton 5 is raised by the differential cylinder and the spout 4 is welded. At this time, the cleaning device 40 incorporated in the welding device 35 is lowered, and the foreign matter and odor inside the carton are removed by the lead pipe 41 and the blow pipe 42.

Thereafter, the required amount of food 1 is filled at the filling station 27, the upper opening is sealed at the sealing station 28, and the food is sent from the discharge station 30 to the support table 60.

This filling and sealing machine 10 has a solid carton transport path in which a bottom molding part 11 and a filling part 20 are arranged and are divided into upper and lower stages. A cleaning device 40 with a simple structure that removes ¥A items and odors inside the carton 5 is built in, making it extremely compact and horizontal.In addition, the welding station 26 welds the spout 4 and cleans the inside of the carton 5. are carried out at the same time, and drinks can be efficiently filled in a short space of time.
Sealed.

[Effects of the Invention] As is clear from the above, according to the filling and sealing machine of the present invention,
A cleaning device is incorporated into the welding device, making it possible to manufacture packaging containers extremely efficiently with a compact structure.

[Brief explanation of drawings]

Fig. 1 is a front view showing the overall structure of a filling and sealing machine according to an embodiment of the present invention, Fig. 2 is an explanatory view of the operation of the bottom molding section of the filling and sealing machine of Fig. 1, and Fig. 3 is a filling and sealing machine of Fig. 1. A plan view of the filling and sealing section of the sealing machine, Fig. 4 is an explanatory diagram of its operation, Fig. 5 is an explanatory diagram of the operation of the welding device of the filling and sealing machine, and Fig. 6 is an explanatory diagram of its operation.
FIG. 8 4...Member, 5...Carton, 6...Bottom, 7...
... Upper part, 8... Small hole, 10... Filling and sealing device,
11... Bottom molding part, 20... Filling seal part, 26
... Welding j', Station, 35... Welding device,
4o...Cleaning device, 41...Lead pipe, 42.
... Blowpipe, 42a... Nozzle.

Claims (4)

[Claims] (1) Spout welding, which has a hollow support member inserted into a packaging container and an ultrasonic vibration horn placed outside the support member, and welds a spout attached to a small hole in the side wall of the packaging container to the packaging container. a cleaning means inserted into the packaging container through the opening of the hollow support member and having a blow tube for blowing air onto the inner surface of the packaging container and a suction tube for sucking foreign matter blown from the inner surface; 1. A container filling and sealing machine comprising: a filling device for filling a predetermined amount of filling into a packaging container with a welded spout and a cleaned interior; and a sealing device for sealing the packaging container filled with the filling. (2) The filling and sealing machine according to claim 1, wherein the cleaning means includes a double pipe in which a blow pipe is disposed within a suction pipe. (3) A turntable is provided that is intermittently rotated with a packaging container placed thereon, and the spout welding attachment, filling device, and sealing device are arranged in this order along the rotational direction of the turntable. The filling and sealing machine according to claim 2. (4) The spout has a main body that protrudes to the outside of the packaging container through the small hole, and an adhesive part that has a larger diameter than the small hole, and this main body is connected to the ultrasonic vibration horn. The filling and sealing machine according to claim 2 or 3, wherein the filling and sealing machine is vibrated to weld the main body side surface of the adhesive part to the inner surface of the packaging container.