JP3566423B2 - Packaging device transporter for packaging machine - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is a packaging machine for packaging a plurality of bundles of newsprint, a plurality of copies of weekly magazines, and the like, and a sealing device that seals the packaging film while packaging the packaged object with a packaging film. The present invention relates to an apparatus for transporting an article to be packaged which transports a slightly collapsed article in a packed state.
[0002]
[Prior art]
Newspapers, magazines, and the like are packed in a packaging film in a state where a plurality of copies are stacked in order to be transported to a store or the like. 2. Description of the Related Art A packaging machine for wrapping newsprint or the like usually includes a sealing device that seals the packaging film by wrapping a wrapped product in which a plurality of newspapers, magazines, and the like are stacked by a wrapping film, and transports the wrapped material to the sealing device. And a packaged object transporting device. The packaged article transport device has an unloading conveyor section for unloading the article to be conveyed to and from the sealing device, and the packaged article is placed on the upstream end of the unloading conveyor section in the transport direction. ing.
[0003]
Recently, in order to efficiently transport the packaged items to the sealing device, the packaged items are respectively loaded from the left and right sides on the upstream end in the transport direction of the unloading conveyor section of the packaged product transport device. It has become so. Then, the packaged object placed on the upstream end in the transport direction in the unloading conveyor section is unloaded to the sealing device by the unloading conveyor section.
[0004]
[Problems to be solved by the invention]
In such a conveyed object transport apparatus, in order to change the conveyed direction of the conveyed articles carried in from the left and right sides on the upstream side in the conveying direction in the unloading conveyor section to the orthogonal direction, the unpacked conveyor section is used. Unless it is accurately positioned at the above set position, there is a possibility that the packaging cannot be reliably performed by the packaging film by the sealing device. In addition, when articles to be packaged on which a plurality of copies of newspapers, magazines, and the like are stacked are liable to collapse when stopped on the carry-out conveyor section. If the object to be packaged in which the collapse has occurred is carried out to the sealing device in such a state, the sealing device cannot accurately package the object to be packaged in a predetermined state.
[0005]
The present invention is intended to solve such a problem, and an object of the present invention is to place each packaged object, which is carried in from the left and right sides of the upstream end in the carrying direction in the carrying-out conveyor section, at a predetermined position. Another object of the present invention is to provide an apparatus for transporting a packaged object of a packaging machine in which the packaged article can be conveyed to a sealing device without disposing of the packaged article.
[0006]
[Means for Solving the Problems]
The packaged object transporting device of the packaging machine according to the present invention is configured to wrap a packaged product in which a plurality of bundles are stacked with a packaging film, and to carry out the packaged product to a sealing device that seals the packaging film. , A carry-in conveyor section for transporting the packaged articles from the left and right sides in a direction orthogonal to the transport direction of the packaged articles by the unloading conveyor section to the upstream end of the unloading conveyor section, and a transport direction upstream of the unloading conveyor section. It is provided on the left and right sides of the side end, and moves between the set position where it comes into contact with the package to be conveyed from the left and right sides by the carry-in conveyor section and the retreat position where it does not contact the package to be carried to the carry-out conveyor section. And a pair of positioning mechanisms each provided with a possible stopper, which are conveyed to a set position on the upstream end of the unloading conveyor by the loading conveyor. After the package item is stopped in contact with one of the stoppers, in which the other of the stopper is characterized in that adjust the packing of contact with the packaged articles to the packaged articles.
[0007]
In the packaged article transport device of the packaging machine according to the present invention, the articles to be packaged are respectively conveyed from the left and right sides by the carry-in conveyer section, and are conveyed onto the upstream end of the carry-out conveyor section in the conveying direction. At this time, the stopper in the positioning mechanism close to the package to be carried in has been moved to a retreat position outside the transport area of the carry-in conveyor portion, and the positioning device located on the far side of the package to be carried in has been moved. The stopper of the mechanism has been moved to a set position on the unloading conveyor. For this reason, the articles loaded on the upstream end in the transport direction of the unloading conveyor unit come into contact with the stopper moved on the unloading conveyor unit, and are stopped at the set position on the unloading conveyor unit. Thereafter, the stopper of the positioning mechanism at the retreat position is moved onto the unloading conveyor section, and presses the packaged articles stopped at the set position on the unloading conveyor section, thereby arranging the packaged form of the packaged articles. Next, the carry-out conveyor unit is driven, and the article to be packaged is transported to the sealing device.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0009]
FIG. 1 is a schematic plan view showing one embodiment of a packaged object transport device of a packaging machine of the present invention. This packaged object transporting apparatus A is used for transporting a packaged article 40 in which a plurality of copies of newsprint are stacked to a sealing apparatus 50 of a packaging machine, and is adjacent to the sealing apparatus 50 of the packaging machine. Conveyor section 10 for transporting the articles 40 to be sealed to the sealing device 50, and the unloading direction of the unloading conveyor section 10 from the left and right sides of the upstream end of the unloading conveyor section 10 in the transport direction. A carry-in conveyor unit 20 that conveys the packaged object 40 in a direction orthogonal to the conveying direction and transfers the packaged object 40 onto the upstream end of the carry-out conveyor unit 10 in the conveyance direction.
[0010]
FIG. 2 is an enlarged plan view showing a main part of the packaged object transport device A, FIG. 3 is a front view thereof, and FIG. 4 is a side view thereof. As shown in FIG. 4, the unloading conveyor unit 10 includes five upper rollers 11 extending along a direction orthogonal to the unloading direction of the packaged object 40, and is disposed below and parallel to the five upper rollers 11. Pair of intermediate rollers 12, a pair of lower rollers 13 disposed further below each end in the unloading direction, and all upper rollers 11, intermediate rollers 12, and lower rollers 13 And a pair of carry-out conveyor belts 14. The five upper rollers 11 are in a state in which two close to the sealing device 50 and two in the central part are close to each other, and one intermediate roller 12 is disposed below between the two. Also, there is an appropriate distance between the two upper rollers 11 at the center and the upper roller 11 disposed farthest from the sealing device 50, and the intermediate roller 12 is disposed below the distance. Have been.
[0011]
A pair of unloading conveyor belts 14 are wound around a pair of upper rollers 11 that are close to each other while being laid across the upper sides of the upper rollers 11, and the lower side of the intermediate roller 12 that is disposed therebetween. Each conveyor belt 14 is wound around the conveyor belt. Further, each of the carry-out conveyor belts 14 is wound around the upper roller 11 on the far side of the sealing device 50, respectively, and the intermediate roller 12 disposed between the upper roller 11 and the adjacent upper roller 11. Each carry-out conveyor belt 14 is wound around the lower side. Each carry-out conveyor belt 14 is also wound around between the pair of lower rollers 13. Each of the carry-out conveyor belts 14 is configured to move around so that the upper surface moves toward the sealing device 50.
[0012]
Above each intermediate roller 12, a carry-in conveyor belt 21 that extends linearly of the carry-in conveyor unit 20 and is fitted in between a pair of upper rollers 11 sandwiching each intermediate roller 12 is arranged in a horizontal state. I have. Each carry-in conveyor belt 21 is in a state of linearly extending from the left and right ends of the upper roller 11 and the intermediate roller 12 of the carry-out conveyor section 10 to the left and right sides.
[0013]
On the left and right sides of the unloading conveyor section 10, tables 22 in a horizontal state are arranged. Each table 22 has a width dimension substantially equal to the length of the carry-out conveyor unit 10 in the carry-out direction, and the upper surface portion of each carry-in conveyor belt 21 passes above each table 22. Each of the carry-in conveyor belts 21 has a state in which each end has entered below the table 22 through an opening 22a provided in the table 22, and is provided below the table 22. Each is wound around the pulley 24. As shown in FIG. 3, one pulley 24 around which each carry-in conveyor belt 21 is wound is rotated forward and reverse by a motor 25, and each carry-in conveyor belt 21 is integrally formed. The carry-out conveyor belt 14 is circulated in a direction orthogonal to the circulating direction.
[0014]
The upper surface portion of each carry-in conveyor belt 21 can be moved up and down from a position at the same level as the upper surface portion of the carry-out conveyor belt 14 to a position protruding upward (see a two-dot chain line in FIG. 4).
[0015]
A positioning mechanism 30 is provided above each of the left and right sides of the unloading conveyor unit 10. Each positioning mechanism 30 has an arm 31 extending along the transport direction of the unloading conveyor 10. Each of the arm portions 31 is provided with a cylindrical base end portion 31a in a vertical state at an upstream end portion of the carry-out conveyor portion 10 in the transport direction. A base end 31a of each arm 31 is rotatably fitted to a support shaft 32 arranged vertically. The support shaft 32 is vertically supported by support members 33 attached to the left and right sides at the upstream end of the unloading conveyor section 10, respectively.
[0016]
At the tip of each arm 31, a lower portion of a vertical plate-shaped stopper 34 is attached. Each stopper 34 is supported by each arm 31 in a state of extending upward from each arm 31.
[0017]
A base end of the air cylinder 35 is rotatably attached to the lower end of the end of each arm 31. Each air cylinder 35 is arranged substantially parallel to each arm 31, and each piston rod 35 a advances toward the base 31 a of each arm 31. The distal end of each piston rod 35a is rotatably connected to a hinge pin 36 attached to the support 33 in a vertical state.
[0018]
Accordingly, in a state where the piston rod 35a of each air cylinder 35 is advanced, each air cylinder 35 is in a state orthogonal to each carry-in conveyor belt 21 on each side of the carry-out conveyor unit 10, and each stopper 34 is It is moved to a set position above the unloading conveyor unit 10 in a state orthogonal to the loading conveyor belt 21. On the other hand, in a state where the piston rod 35a of each air cylinder 35 is retracted, each air cylinder 35 moves toward each side of the unloading conveyor unit 10 around the hinge pin 36 to which the piston rod 35a is connected. The air cylinders 35 are turned, and the air cylinders 35 are in a state along the carry-in direction of the carry-in conveyor belts 21 on the side outside the transfer area of the carry-in conveyor section 20. Therefore, each stopper 34 is also located at a retreat position along the carrying direction of each carry-in conveyor belt 21 on the side outside the carrying area of the carry-in conveyor section 20.
[0019]
The packaged article transporting apparatus A having such a configuration is configured such that the packaged article 40 in which a plurality of sets of newspapers are stacked is placed at one end of each of the carry-in conveyor belts 21 in the carry-in conveyor section 20. It has become. At this time, the air cylinder 35 of one of the positioning mechanisms 30 located on the far side with respect to the end of each of the carry-in conveyor belts 21 on which the articles to be packaged 40 are placed is in a state where the piston rod 35a is advanced. . Thereby, the stopper 34 of the positioning mechanism 30 is moved to a set position above the unloading conveyor section 10 in a transport area on each of the importing conveyor belts 21 in a state orthogonal to the importing conveyor belts 21. . On the other hand, the air cylinder 35 of the other positioning mechanism 30 which is close to the end of each of the carry-in conveyor belts 21 on which the articles 40 are placed, is in a state where the piston rod 35a is retracted, and The stopper 34 of the positioning mechanism 30 is located at a retracted position along the carrying direction outside the carrying area of the carry-in conveyor unit 20.
[0020]
In such a state, each of the carry-in conveyor belts 21 is synchronously orbited while being raised so as to be located above each carry-out conveyor belt 14 in the carry-out conveyor section 10. Each carry-in conveyor belt 21 is circulated so that the packaged object 40 placed at the end is conveyed toward the carry-out conveyor unit 10. Due to the reciprocating movement of each carry-in conveyor belt 21, the carried object 40 is carried to the carry area of the carry-out conveyor unit 10, and is stopped by contacting the stopper 34 of the positioning mechanism 30 located in the carry area. As a result, the article to be packaged 40 is positioned on each of the unloading conveyor belts 14 of the unloading conveyor section 10 and is positioned at the center of the unloading conveyor section 10.
[0021]
As described above, when the packaged object 40 comes into contact with the stopper 34 of the one positioning mechanism 30 and is positioned at the set position, the air cylinder 36 of the other positioning mechanism 30 is driven, and the piston rod 36a is advanced. Is done. Accordingly, the air cylinder 36 of the positioning mechanism 30 rotates around the hinge pin 36 to which the piston rod 36a is connected, and enters the transport area of the unloading conveyor unit 10. As a result, the stopper 34 integrated with the air cylinder 36 also enters the transport area of the unloading conveyer unit 10 and comes into contact with the to-be-packaged item 40 positioned at the set position on the unloading conveyor unit 10, and Press 40. As a result, the packages 40 on each of the carry-in conveyor belts 21 are pressed by the pair of stoppers 34, and the packaging of the packages 40 on which a plurality of newspapers are stacked is adjusted. In addition, the package 40 that has been slightly collapsed is also packed.
[0022]
As described above, when the package of the articles 40 to be conveyed by the carry-in conveyor belt 21 is in a prepared state, the carry-in conveyor belt 21 is lowered, and the articles to be packaged 40 are unloaded from the carry-out conveyors 10 of the carry-out conveyor unit 10. It is in a state of being placed on the belt 14. Then, the air cylinder 35 of each positioning mechanism 30 is driven, and each piston rod 35a is retracted. As a result, the air cylinders 35 of the respective positioning mechanisms 30 are retracted to the outside of the transport area of the carry-in conveyor section 21, and the respective stoppers 34 integrated with the air cylinders 35 also move in the transport area of the carry-in conveyor section 21. Evacuation state where the user has left outside.
[0023]
Thereafter, each of the unloading conveyor belts 14 of the unloading conveyor unit 10 is circulated toward the sealing device 50. As a result, the articles 40 placed on each carry-in conveyor belt 21 are conveyed toward the sealing device 50 by each carry-out conveyor belt 14. Then, the packaged object 40 carried into the sealing device 50 is wrapped with a packaging film, and the packaging film is sealed.
[0024]
【The invention's effect】
According to the present invention, the articles to be conveyed from the left and right sides by the carry-in conveyor are respectively positioned at the set positions on the carry-out conveyor by the stoppers of the respective positioning mechanisms, and are loaded by the stoppers of both the positioning mechanisms. The goods to be packaged, whose transport direction is changed in the orthogonal direction from the carry-in conveyor section to the carry-out conveyor section so that their appearance is adjusted, are conveyed to the sealing device without collapse of the load, and are securely packed and sealed by the sealing device. Is done.
[Brief description of the drawings]
FIG. 1 is a schematic plan view showing an embodiment of a packaged object transporting device of a packaging machine of the present invention.
FIG. 2 is an enlarged plan view showing a main part of the packaged article transporting device of FIG. 1;
FIG. 3 is a front view of the packaged article transport device of FIG. 2;
FIG. 4 is a side view of the packaged article transport device of FIG. 2;
[Explanation of symbols]
A Conveyance device for packaged goods 10 Unloading conveyor unit 11 Upper roller 12 Intermediate roller 13 Lower roller 14 Unloading conveyor belt 20 Importing conveyor unit 21 Importing conveyor belt 22 Table 30 Positioning mechanism 31 Arm unit 34 Stopper 35 Air cylinder 35a Piston rod 36 Hinge pin

Claims (1)

A plurality of bundles are stacked, and the packaging film is wrapped with the packaging film, and the unloading conveyor unit that transports the packaging material to a sealing device that seals the packaging film, and a direction orthogonal to the transport direction of the packaging object by the unloading conveyor unit. And a carry-in conveyor section, which is provided on each of the left and right sides of the carry-out conveyor section to convey the articles to be packaged from the left and right sides of the carrying direction onto the upstream end of the carry-out conveyor section , respectively. A pair of positioning mechanisms each provided with a stopper that can move between a set position where it comes into contact with the packaged articles conveyed from the left and right sides and a retracted position that does not contact the packaged articles conveyed to the unloading conveyor section , from it, the package item is one of the stopper is conveyed to the setting position on the upstream end of the delivery conveyor section by input conveyor section After being stopped abutment to the other stopper to be packaged conveying device of the packaging machine, characterized in that to arrange the packing of the abutment to be packaged in the articles to be packaged.

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