JPH09118430A - Package carrying device of packaging machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To position a package whose carrying direction is changed orthogonal at the prescribed position of a carry-out conveyor part, and to prevent the cargo shifting. SOLUTION: When a package 40 in which a plurality sets of newspapers are stacked is carried in from the end part on the upstream side in the carrying direction of a carry-out conveyor part 10 by a carry-in conveyor part 20, a stopper 34 in a positioning mechanism 30 close to the packaged article 40 to be carried in is moved to the evacuation position, and the stopper 34 of the other positioning mechanism 30 is positioned on the carry-out conveyor part 10. When the package 40 is abutted on the stopper 34 located on the carry-out conveyor part 10, the package 40 is positioned on the carry-out conveyor part 10. Then, the stopper 34 of the positioning mechanism 30 at the evacuation position is moved on the carry-out conveyor part 10 to arrange the position of the package 40.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a plurality of bundles of newsprint,
In a packaging machine for packaging an article to be packaged in which a plurality of copies of weekly magazines etc. are stacked, a sealing device for packaging the article to be packaged with a packaging film and sealing the packaging film, the article which has been slightly collapsed, The present invention relates to a device for transporting objects to be packaged that transports them in a packed form.

[0002]

2. Description of the Related Art Newspapers, magazines and the like are packed in a packaging film in a state where a plurality of copies are stacked for transport to a store or the like. A packaging machine for packaging newspapers or the like usually includes a sealing device that wraps an article to be packaged by stacking a plurality of newspapers, magazines, etc. in a packaging film and seals the packaging film, and conveys the article to the sealing device. And a packaged object transporting device.
The article transfer device has a carry-out conveyor section for carrying out the article to be transferred to the sealing device, and the article to be packed is placed on the upstream end of the carry-out conveyor section in the transfer direction. ing.

In order to efficiently convey a packaged article to the sealing device, recently, the packaged article is conveyed from the left and right sides on the upstream side end in the conveying direction of the carry-out conveyor section of the packaged article conveying device. Each is to be brought in. And
The article to be packaged placed on the upstream end in the transport direction of the carry-out conveyor section is carried out to the sealing device by the carry-out conveyor section.

[0004]

In such an object-to-be-packaged conveying apparatus, the conveying direction of the object to be packaged is changed from the left and right sides on the upstream side in the conveying direction to the orthogonal direction. In addition, unless the transported object is accurately positioned at a predetermined position on the carry-out conveyor section, there is a possibility that it cannot be reliably packaged by the packaging film by the sealing device. Further, the articles to be packaged in which a plurality of copies of newspapers, magazines, etc. are stacked may have a load collapse when being stopped on the carry-out conveyor. If the packaged object in which the load collapse occurs is carried out to the sealing device in such a state, the sealing device cannot accurately package the packaged object in a predetermined state.

The present invention is intended to solve such a problem, and its object is to predetermine the objects to be packaged which are carried in from the left and right sides of the upstream end in the carrying direction of the carry-out conveyor section. An object of the present invention is to provide a packaged object conveying device of a packaging machine which can be placed at a position and can be conveyed to the sealing device without the load of the packaged object collapsed.

[0006]

SUMMARY OF THE INVENTION A packaged object conveying device for a packaging machine according to the present invention is a packaged object in which a plurality of bundles are stacked.
The carry-out conveyor unit that is carried in from each side of the upstream end in the transport direction, wraps the packaging film, and carries it out to the sealing device that seals the packaging film, and the left and right on the upstream end in the transport direction of the carry-out conveyor unit. Each of the stoppers is provided along the carry-in direction at a predetermined position on the upstream end in the carrying direction of the carry-out conveyor unit so as to come into contact with the article to be packed, which is carried in from each side. The stopper is equipped with a pair of positioning mechanisms that can be moved to a retracted position where it does not contact each packaged item that is carried into the carry-out conveyor section, and the packaged item contacts one of the stoppers and stops. After that, the other stopper comes into contact with the article to be packaged to adjust the packing form of the article to be packaged, and thereby the above object is achieved.

In the object conveying device for the packaging machine of the present invention,
When the article to be packaged is loaded from the left and right sides on the upstream end in the transport direction of the carry-out conveyor section, the stopper in the positioning mechanism close to the article to be loaded is moved to the retracted position. A stopper of a positioning mechanism located on the far side of the package to be carried in is located on the carry-out conveyor. Then, the article to be packaged is brought into contact with the stopper located on the carry-out conveyor section, so that the article to be packaged is brought to a predetermined position on the upstream side end of the carry-out conveyor section in the transport direction. After that, the stopper of the positioning mechanism at the retracted position is moved onto the carry-out conveyor section and abuts the article to be packaged at the predetermined position on the carry-out conveyor section to arrange the package of the article to be packaged. In such a state, the carry-out conveyor section is driven and the article to be packaged is carried out to the sealing device.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic plan view showing an example of an embodiment of a packaged article carrying-in device of a packaging machine of the present invention.
The device A for carrying in objects to be packaged is a sealing device 50 for a packaging machine.
Is used to convey a packaged object 40 in which a plurality of newspapers are stacked, and is arranged adjacent to the sealing device 50 of the packaging machine to convey the packaged object 40 to the sealing device 50. The carrying-out conveyor section 10 and the left and right sides of the carrying-out conveyor section 10 on the upstream side in the carrying direction carry the article to be packaged 40 in a direction orthogonal to the carrying-out direction of the carrying-out conveyor section 10, and carry it out. The carry-in conveyor section 20 for transferring the article 40 to be packaged is provided on the upstream end of the section 10 in the transport direction.

FIG. 2 is an enlarged plan view showing an essential part of the article-conveying apparatus A, FIG. 3 is a front view thereof, and FIG. 4 is a side view thereof. As shown in FIG. 4, the carry-out conveyor unit 10 extends along a direction orthogonal to the carry-out direction of the transported object 40.
One upper roller 11 and these five upper rollers 1
1, a pair of intermediate rollers 12 arranged in parallel therewith, a pair of lower rollers 13 respectively arranged further below each end in the carry-out direction, all upper rollers 11, intermediate rollers 12 , And the lower roller 13
It has a pair of carry-out conveyor belts 14 wound around. The five upper rollers 11 are the sealing device 50.
And two in the center are in close proximity to each other, and there is one intermediate roller 1 below the two.
2 are arranged. Further, an appropriate gap is provided between the two upper rollers 11 in the central portion and the upper roller 11 which is arranged farthest from the sealing device 50, and the intermediate roller 12 is arranged below the gap. Has been done.

A pair of carry-out conveyor belts 14 is provided on the pair of upper rollers 11 which are close to each other.
Each of the carry-out conveyor belts 14 is wound around the upper side of the sheet 1 and is wound around the upper side of the sheet 1, and the lower side of the intermediate roller 12 arranged between them. In addition, the upper roller 11 on the far side of the sealing device 50
Also, each carry-out conveyor belt 14 is wound around the upper side, and each carry-out conveyor belt 14 is wrapped around the upper roller 11 and the intermediate roller 12 arranged between the adjacent upper rollers 11. Has been. The carry-out conveyor belts 14 are also wound between the pair of lower rollers 13. Each of the carry-out conveyor belts 14 is circulated so that its upper surface moves toward the sealing device 50.

Above each of the intermediate rollers 12, the linearly extending carry-in conveyor belts 21 of the carry-in conveyor section 20 in a state of being fitted between the pair of upper rollers 11 sandwiching the respective intermediate rollers 12 are in a horizontal state. It is arranged. Each carry-in conveyor belt 21 has a carry-out conveyor section 10
The left and right ends of the upper roller 11 and the intermediate roller 12 are linearly extended to the left and right sides.

On the left and right sides of the carry-out conveyor section 10,
The tables 22 in a horizontal state are arranged. Each table 22 has a width direction dimension substantially equal to the length of the carry-out conveyor unit 20 in the carry-out direction, and the upper surface portion of each carry-in conveyor belt 21 passes above each table 22. Each carry-in conveyor belt 21
The respective end portions are in a state of entering below the respective tables 22 through the opening portions 22a provided in the respective table 22, and are provided below the table 22.
Each of them is wound around the pulley 24. One pulley 24 around which each carry-in conveyor belt 21 is wound
As shown in FIG. 3, the motors 25 are rotated in the forward and reverse directions.
Are integrally moved in a direction orthogonal to the direction in which the carry-out conveyor belt 14 is moved.

The upper surface of each carry-in conveyor belt 21 is
A position projecting upward from a position at the same level as the upper surface of the carry-out conveyor belt 14 (see a chain double-dashed line in FIG. 4)
It can be moved up and down.

Positioning mechanisms 30 are provided above the left and right sides of the carry-out conveyor section 10, respectively. Each positioning mechanism 30 has an arm portion 31 extending along the carrying direction of the carry-out conveyor unit 10. Each arm portion 31 is provided with a cylindrical base end portion 31a in a vertical state at an end portion on the upstream side in the carrying direction of the carry-out conveyor portion 10. A base end portion 31a of each arm portion 31 is rotatably fitted to a support shaft 32 arranged vertically.
The support shaft 32 is vertically supported by a support tool 33 attached to each of left and right side portions of the upstream end portion of the carry-out conveyor unit 10.

The lower end of a plate-shaped stopper 34 in a vertical state is attached to the tip of each arm 31. The stoppers 34 are respectively supported by the arm portions 31 while extending upward from the arm portions 31.

Further, the base end of the air cylinder 35 is rotatably attached to the lower side of the tip of each arm 31. Each air cylinder 35
The piston rods 35 a are arranged substantially parallel to the arm portions 31, and the piston rods 35 a are configured to advance toward the base end portion 31 a side of the arm portions 31. The tip end of each piston rod 35a is rotatably connected to a hinge pin 36 attached to the support 33 in a vertical state.

Therefore, when the piston rod 35a of each air cylinder 35 has advanced, each air cylinder 3
In each side of the carry-out conveyor section 10, 5 is orthogonal to each carry-in belt conveyor 21, and each stopper 34 is orthogonal to each carry-in conveyor belt 21 in a predetermined state above the carry-out conveyor section 10. Positioned. On the other hand, the piston rod 3 of each air cylinder 35
In the state in which 5a is retracted, each air cylinder 35 is rotated around each hinge pin 36 to which the piston rod 35a is connected, toward each side of the carry-out conveyor unit 10, and each air cylinder 35 is connected to the carry-in conveyor. The side of the part 20 outside the transport area is along the loading direction of each loading conveyor belt 21. Therefore, each stopper 34 is also set to the retreat position along the carry-in direction of each carry-in conveyor belt 21 on the side of the carry-in conveyor unit 20 outside the transport area.

In the object-to-be-packaged carrying-in device having such a structure, the object-to-be-packaged 40 in which a plurality of sets of newspapers are stacked is placed on one end of each of the carry-in conveyor belts 21 in the carry-in conveyor section 20. It has become so. At this time, the air cylinder 35 of the one positioning mechanism 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 the piston rod 35a.
Has been advanced. As a result, the stopper 34 of the positioning mechanism 30 causes each of the carry-in conveyor belts 2
In the upper transport area, the transport conveyor belt 21 and the transport conveyor belt 21 are orthogonal to each other and are set at a predetermined position of the transport conveyor section 10. On the other hand, the air cylinder 35 of the other positioning mechanism 30 close to the end of each of the carry-in conveyor belts 21 on which the article to be packaged 40 is placed is the piston rod 35a.
The stopper 34 of the positioning mechanism 30 is set to the retracted position along the carrying direction outside the carrying area of the carry-in conveyor unit 20.

In this state, the carry-in conveyor belts 21 are synchronously moved in a circular manner while being raised so as to be located above the carry-out conveyor belts 14 in the carry-out conveyor section 10. Each conveyor belt 2
1 is orbited so that the article 40 to be packaged placed at the end is conveyed toward the carry-out conveyor section 10. By the circular movement of each carry-in conveyor belt 21, the transported object 4
0 is transported to the transport area of the carry-out conveyor unit 10,
The stopper 34 of the positioning mechanism 30 located in the transportation area is brought into contact with the stopper 34 and stopped. Thereby, the packaged object 40
Is located on each of the carry-out conveyor belts 14 of the carry-out conveyor unit 10 and is in the state of being located at the center of the carry-out conveyor unit 10.

In this way, when the object 40 to be packaged is brought into contact with the stopper 34 of the one positioning mechanism 30 and positioned, the air cylinder 3 in the other positioning mechanism 30 is positioned.
6 is driven and the piston rod 36a is advanced. As a result, the air cylinder 36 of the positioning mechanism 30 rotates about the hinge pin 36 to which the piston rod 36a is connected, and enters the transportation area of the carry-out conveyor unit 10. As a result, the air cylinder 36
The stopper 34, which is integrated with the
Then, the article 40 enters into the transporting area, comes into contact with the article 40 to be packaged at a predetermined position on the unloading conveyor unit 10, and presses the article 40 to be packaged. As a result, the articles 40 to be packaged on each of the carry-in conveyor belts 21 are in a state of being pressed by the pair of stoppers 34, and the packaging form of the articles 40 to be packaged in which a plurality of sets of newspapers are stacked is arranged. In addition, the package shape of the packaged object 40 that has collapsed a little is adjusted.

In this way, when the packing style of the article 40 to be packaged conveyed by the carry-in conveyor belt 21 is adjusted, the carry-in conveyor belt 21 is lowered and the article to be packed 4 is packed.
0 is placed on each carry-out conveyor belt 14 of the carry-out conveyor unit 10. Then, each positioning mechanism 30
The air cylinders 35 are driven and the respective piston rods 35a are retracted. As a result, the air cylinder 35 of each positioning mechanism 30 moves to the carry-in conveyor section 21.
And the respective stoppers 34 integrated with the respective air cylinders 35 are also in a retracted state in which they have retreated to the outside of the carrying area of the carry-in conveyor section 21.

After that, each of the carry-out conveyor belts 14 of the carry-out conveyor section 10 is circulated toward the sealing device 50. As a result, the article 40 to be packaged placed on each of the carry-in conveyor belts 21 is conveyed toward the sealing device 50 by each of the carry-out conveyor belts 14. Then, the article to be packaged 40 carried into the sealing device 50 is wrapped with a packaging film, and the packaging film is sealed.

[0024]

EFFECTS OF THE INVENTION The apparatus for conveying articles to be packaged in the packaging machine of the present invention is
In this way, the objects to be packaged that are loaded from the left and right sides of the upstream end of the carry-out conveyor section in the transport direction are positioned at predetermined positions on the carry-out conveyor section by the stoppers of the positioning mechanisms. Since the packing shape is adjusted by the stopper of the mechanism, the object to be packaged whose transport direction is changed to the orthogonal direction is transported to the predetermined position of the sealing device without the load collapse and Securely packaged and sealed.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing an example of an embodiment of an article carry-in device of a packaging machine of the present invention.

FIG. 2 is an enlarged plan view showing a main part of a packaged object conveying device.

FIG. 3 is a front view thereof.

FIG. 4 is a side view thereof.

[Explanation of symbols]

 A Packaged object conveying device 10 Carry-out conveyor section 11 Upper roller 12 Intermediate roller 13 Lower roller 14 Carry-out conveyor belt 20 Carry-in conveyor section 21 Carry-in conveyor belt 22 Table 30 Positioning mechanism 31 Arm section 34 Stopper 35 Air cylinder 35a Piston rod 36 Hinge pin

Claims (1)

[Claims] 1. An object to be packaged in which a plurality of bundles are stacked,
The carry-out conveyor part that is carried in from each side of the upstream end in the transport direction, wraps it in the packaging film, and carries it out to the sealing device that seals the packaging film, and the left and right on the upstream end in the transport direction of the carry-out conveyor part. Each of the stoppers is provided along the carry-in direction at a predetermined position on the upstream end in the carrying direction of the carry-out conveyor unit so as to come into contact with the article to be packed, which is carried in from each side. The stopper is equipped with a pair of positioning mechanisms that can be moved to a retracted position where it does not come into contact with the items to be packaged that are carried into the carry-out conveyor section, and the items to be packaged come into contact with one of the stoppers and stop. After being processed, the other stopper comes into contact with the article to be packaged to adjust the packing form of the article to be packaged.