JP2015044682A - Device for feeding paperboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for feeding paperboard capable of being adjusted to an increase in paper feeding speed by improving paper feeding performance.SOLUTION: In a device for feeding paperboard, a first conveyor 1 comprising a table arm 12 is arranged in a manner where the first conveyor 1 tilts so as to be converted from its standing posture to forward-tilting posture. The first conveyor is loaded in the standing posture while paperboard D is piled on the table arm. From such a state, the first conveyor tilts to be forward-tilting posture, resulting in that the paperboard D is transported onto a second conveyor 2. Support arms 30a, 30b are arranged on the second conveyor 2. When the first conveyor 1 is converted to the forward-tilting posture, the support arms project to a space below the first conveyor 1. After that, when the first conveyor 1 is converted to return from the forward-tilting posture to the standing posture, the paperboard D is supported on the support arms to be transported onto the second conveyor 2.

Description

  The present invention relates to a paperboard supply device for feeding paperboard such as corrugated paper or cardboard to a printing machine, box making machine or the like.

  In order to print or boxboard cardboard such as corrugated paper that has been cut into a predetermined size and stacked, a paperboard feeder that sends out one after another in a folded state on a belt conveyor is disclosed in Patent Document 1, It is known as 2 mag.

JP-A-9-315658 JP 2002-154657 A

  In the paperboard supply devices shown in these patent documents, the first conveyor is provided so as to be able to tilt from the standing posture to the forward leaning posture on the machine base, and the first conveyor is provided with a pedestal arm, When the first conveyor is in a standing posture, a large number of paperboards are stacked on the platform arm, and the first conveyor is tilted to a forward tilting posture in this state, and the paperboard is supported by the platform arm. The paperboard is transported in a folded state (wrapped state) from the first conveyor onto the second conveyor.

  By the way, in these conventional paperboard supply apparatuses, it is necessary to hold the first conveyor in a forward inclined posture until all the paperboards on the first conveyor are transferred onto the second conveyor. That is, while the paperboard is on the first conveyor, the first conveyor cannot be returned from the forward leaning posture to the standing posture, and the sheet feeding capacity is limited to about 350 sheets per minute. For this reason, it has not been possible to follow the recent increase in speed of the latest printing machines, box making machines, and the like. Therefore, the present invention aims to solve the problem that the paper feeding capacity is improved and the conventional paperboard supply device cannot respond to the increase in the paper feeding speed.

  For this purpose, the present invention provides a first conveyor equipped with a pedestal so that it can tilt from a standing posture to a forward leaning posture, and the first conveyor is placed in a standing posture and board paper is stacked on the pedestal. In the paperboard supply device, the paperboard is transferred onto the second conveyor by tilting the first conveyor to a forward inclined posture in that state, and a support arm is provided on the second conveyor, When the first conveyor is in the forward tilted position, the support arm is advanced to the lower side of the first conveyor, and then the first conveyor is returned from the forward tilted position to the standing position so that the paperboard is placed on the support arm. It is supported and transferred onto the second conveyor.

  By providing the support arm, it is possible to return the first conveyor from the forward inclined posture to the standing posture in a short time, and the next paperboard can be mounted on the first conveyor by using the time. For this reason, the transfer of the paperboard from the first conveyor to the second conveyor is not interrupted, and the paper feeding capability is greatly improved and the paper feeding speed can be increased.

The side view of the paperboard supply apparatus which concerns on this invention. The top view of the paperboard supply apparatus of FIG. FIG. 3 is a view taken along line AA in FIG. 2. The top view of the paperboard supply apparatus which showed the operation state of FIG. The top view of the paperboard supply apparatus which showed the operation state of FIG. The operation state figure of the paperboard supply device concerning the present invention. The operation state figure of the paperboard supply device concerning the present invention.

  Next, an embodiment of the present invention will be described. 1 and 2 show the entire board supply apparatus according to the present invention. In these drawings, portions not directly related to the present invention are omitted. In the figure, 1 is a first conveyor, 2 is a second conveyor, and 3 is a machine base. The machine base 3 supports a pair of side plates 3a and 3b in parallel at a predetermined interval, and is provided with wheels 4a and 4b at the lower part so that the wheels 5 can move on the rail 5 by rolling the wheels. I have to.

A bearing 6 is provided at the rear upper edge of the machine base 1, and a support shaft 7 is supported by the bearing 6, and one end portions of the frames 10 a and 10 b of the first conveyor 1 are rotatably supported on the support shaft 7. The first conveyor 1 supports a support shaft 9 on a bearing 8 provided at the other end of the frames 10a and 10b, and a roller (not shown) rotatably provided on the support shaft 9 and the support shaft. 7, an endless transport belt (having a caterpillar plate provided on the transport surface) 11a and 11b is stretched between rollers 7 (not shown) rotatably provided. The bases 12a and 12b of the arm 12 are connected to the conveyor belts 11a and 11b. For this reason, by operating a drive motor (not shown), the conveyor belts 11a and 11b rotate around, and the pedestal 12 connected to the conveyor belts 11a and 11b is also elongated integrally with the conveyor belts 11a and 11b. Can move in the direction.
The top arm 12 is provided with a plurality of roller rollers 13, 13... So that the paperboard D can be supported horizontally, and vacuum pads 14a, 14b are arranged at intervals between the roller rollers. It is provided so as to oppose.
Further, the first conveyor 1 is tilted about the support shaft 7 by operating a fluid pressure cylinder (not shown) provided on the machine base 1, as shown in FIGS. 1 and 2. It is configured to be in a standing posture or a forward leaning posture as shown in FIGS.

On the other hand, the second conveyor 2 rotatably supports one end of frames 20a to 20d provided in parallel on the support shaft 7 and a roller (not shown) on the support shaft 21 supported on the other end of the frame. (Omitted) is rotatably provided, and endless conveying belts 22a to 22d are stretched between the roller and a roller (not shown) rotatably provided on the support shaft 7, and the drive provided on the frame By operating a motor (not shown), the conveyor belts 22a to 22d are configured to rotate around.
The second conveyor 2 is tilted about the support shaft 7 by rotating a fluid pressure cylinder (not shown) provided on the machine base 1 so as to be in a horizontal posture or horizontally as shown in the figure. Can also change to a slightly downward posture.
Reference numeral 25 denotes a flap supported by a support shaft 26 which is horizontally mounted between the frames 20a to 20d. The flap is operated by operating a fluid pressure cylinder (not shown) provided on the frame, whereby the conveyor belts 22a to 22f are operated. It is configured to be able to move up and down from the conveyance surface 22d.

  Reference numerals 30 a and 30 b denote support arms provided at the start end of the second conveyor 2. As shown in FIG. 3, the support arms 30a and 30b have linear guides 31a and 31b fixed to the side surfaces of the frames 20b and 20c of the second conveyor 2, and fixed to the side surfaces of the support arms 30a and 30b. Since the provided rail body 31c matches the linear guides 31a and 31b, the rail body 31c is provided so as to be slidable on the side surfaces of the frame 20b and the frame 20c. A rack member 32 is provided on the lower surface of the support arms 30a and 30b, and a gear 34 that is rotationally driven by a motor 33 is engaged with the rack member 32. Therefore, by driving the motor 33, the support arms 30a and 30b are moved forward and backward through the gear 34 and the rack member 32, and the support arms 30a and 30b are moved backward from the starting end portion of the second conveyor 2. It is configured to be able to move forward. 35 is a claw member that is tiltably supported by the tip of the support arms 30a and 30b by a pin 36, and 37 is a fluid pressure provided at the tip of the support arms 30a and 30b to tilt the claw member 35. By operating the fluid pressure cylinder 37 and moving the piston rod forward and backward by the cylinder, the claw member 35 undulates as shown by a two-dot chain line in FIG. It is configured to move up and down above the conveyance surface 22d.

  In the paperboard supply apparatus configured as described above, a forklift or a carry-in conveyor is placed on the arm 12 of the first conveyor 1 in a vertically upright posture as shown in FIGS. 1 and 6 (both are not shown). A large number of paperboards D carried by is mounted in a stacked state, and then the fluid pressure cylinder (not shown) is operated to move the first conveyor 1 as shown by the arrow in FIG. The first conveyor 1 is rotated as a fulcrum and tilted forward as shown in FIGS. 4 and 6 (b), and the paperboard D is put on the transport belts 11a and 11b. Then, the conveyor belts 11 a and 11 b are rotated so that the paperboard D is pushed by the arm 12. At this time, by raising the flap 25, the leading paperboard D is once supported and supported in a forward tilted posture, and then the flap 25 is gradually lowered as shown in FIG. Then, the subsequent paperboard D is advanced in a folded state (wrapped state) on the conveyor belts 11a and 11b.

In this state, the motor 33 is driven, and the support arms 30a and 30b are moved to the rear of the second conveyor 2, that is, the lower side of the first conveyor 1 in the forward inclined posture, and the claws of the support arms 30a and 30b are moved forward. As shown in FIG. 5, the fluid pressure cylinder 37 is operated after the member 35 is positioned at least rearward of the arm 12, and the claw member 35 is protruded upward. Then, the motor 33 is rotated in the opposite direction to move the support arms 30a and 30b forward at a constant low speed, and the paperboard is made by the claw member 35 in place of the arm 12 as shown in FIG. D is pushed.
For this reason, as shown by an arrow in FIG. 7 (e), by returning the first conveyor 1 to the standing posture in this state, the paperboard D is supported by the support arms 30a and 30b, and the support arm is moved forward. By moving the paperboard D, the paperboard D is pushed onto the second conveyor 2 while maintaining the lapped state. Therefore, the next paperboard can be placed on the arm 12 of the first conveyor 1 returned to the standing posture as shown in FIG. Then, after all the paperboard D has been moved onto the second conveyor 2, the next paperboard is fed onto the second conveyor 2 without being empty by placing the first conveyor 1 in a forward tilting posture again. Therefore, paper feeding is not interrupted, and it is possible to cope with speeding up of a printing machine, a box making machine, and the like.

Reference numeral 40 denotes a carry-out conveyor provided for receiving the paperboard from the second conveyor 2 and transporting it to a printing machine, a box making machine, and the like. Reference numeral 41 denotes a gate plate provided at the upper part of the carry-out conveyor. Are arranged according to the needs of printing machines, box making machines, etc.
Further, the vacuum pads 14a and 14b are formed so that only the lowermost paperboard is vacuum-sucked so that the lowermost paperboard that is not suitable for commercialization is conveyed, so that only the paperboard is on the roller rollers 13, 13. Is provided so that the paperboard can be removed laterally after releasing the vacuum suction.

  In this embodiment, the paperboard D supported on the support arms 30a and 30b can be pushed by the claw member 35, but a conveyor belt (not shown) is stretched on the support arms 30a and 30b, When one conveyor 1 is in an upright posture, the paperboard D is supported on the conveyor belt, and the paperboard D may be pushed onto the second conveyor 2 by rotating the conveyor belt. .

DESCRIPTION OF SYMBOLS 1 1st conveyor 2 2nd conveyor 3 Machine base 7 Support shaft 11a, 11b Conveyor belt 12 Base arm 22a-22d Conveyor belt 30a, 30b Support arm 31a Linear guide 31b Rail body 32 Rack 35 Claw member 37 Fluid pressure cylinder D Paperboard

Claims (1)

  The first conveyor provided with the pedestal arm is provided so as to be able to tilt from the standing posture to the forward leaning posture, and the first conveyor is placed in the standing posture and the paperboard is stacked on the pedestal, and in this state In the paperboard supply apparatus in which the paperboard is transferred onto the second conveyor by tilting the first conveyor to a forward tilting posture, a support arm is provided on the second conveyor, and the first conveyor is tilted forward. When the posture is changed, the support arm is advanced to the lower side of the first conveyor, and then the first conveyor is returned from the forward leaning posture to the standing posture so that the paperboard is supported on the supporting arm and the second conveyor. A paperboard supply device characterized by being transported upward.

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