JPS606863B2 - Stacked paper pressing device in paper feed/discharge device - Google Patents

Description

[Detailed Description of the Invention] This inventive device constantly presses down the leading edge of the stacked papers that are fed one by one, and reliably sends them out one by one from the gap between the lower edge of the barrier and the paper delivery belt. A belt for discharging the lowest layer of stacked paper fed one by one from the paper feeder, a barrier provided in front of the stacked paper with a gap from the belt, and a barrier behind the stacked paper. In the sheet feeding/discharging device having a wall plate provided on the wall plate, shafts are attached to the upper, middle and lower parts of the elevator frame as the barrier, and a push-down belt having an uneven surface is stretched to the middle shaft and the lower shaft, and the One side of the push-down belt is positioned toward the front end of all the stacked sheets, and the lower side of the push-down belt is positioned on the upper surface of the ejected paper, and a drive pinion is engaged with the vertical rack of the lift frame, and the drive pinion is engaged with the vertical rack of the lift frame. The invention is characterized in that a drive shaft and two idle shafts are provided, and a transmission belt is hung from the upper shaft, the lower shaft, and the drive shaft via the idle shafts.

Conventionally, a device that uses a transfer belt to eject the lowest layer of paper from the gap between the transfer belt and the barrier, which is fed one sheet at a time, is relatively reliable when the thickness of the paper is constant. However, the thickness of a folded cardboard box is not constant due to the restoring force of the fold, and as a result, those with a large thickness cannot pass through the gap and get stuck in the barrier,
There is an inconvenience that E-paper cannot be used.

A method of constantly applying pressing force to the top surface of the stacked paper can achieve the intended purpose, but the restoring force of the fold varies depending on the rigidity of the cardboard and the length of the fold, so the operation is uncertain with the same pressing force. Therefore, it must be adjusted each time,
The face is acidic.

This inventive device eliminates the above-mentioned disadvantages. Next, referring to the drawings, a paper feed belt 2 is provided that supplies paper 1, for example, a folded cardboard box, upward, and the paper is discharged below the discharge end of the paper feed belt 2. A belt 3 is provided, a barrier 4 is provided at the front position with a gap A between the surface of the 8E paper belt 3, and a wall plate 5 is provided at the rear position. In the structure of the barrier, an idle shaft 7, a center shaft 8 for tensioning the belt, and a lower shaft 9 are attached to the upper, middle, and lower layers of the lifting frame 6, respectively.

Idle shafts 10 are located at the upper and lower positions rearward of the shafts 7, 8, and 9, respectively.
11 is provided, and a drive shaft 12 is further provided at the rear.

A push-down belt 14 having a horizontal uneven groove 13 on its surface is grooved between the center shaft 8 and the lower shaft 9.

Moreover, one side of the push-down belt 14 is positioned toward the front end of all the stacked sheets, and the lower side of the push-down belt 4 is positioned toward the upper surface of the discharged sheets. A drive shaft 12 and a rotating shaft 16 of a motor 15 are connected by a transmission belt hook 7.

The transmission belt 18 is hung around the drive shaft 12, idle shafts 10, 7, lower shaft 9, and idle shaft 11.

A vertical rack 19 is provided on the lifting frame 6 and connected to a drive shaft 21 via an idler pinion 20.

Next, let me explain the operation. When you turn the drive shaft 21 by hand, the rotation is transmitted to the rack 19 via the idler pinion 20, and the lower end of the push-down belt 14 moves up and down via the elevating frame 6.
The gap A between the belt 3 and the belt 3 is adjusted to a size that allows the supplied paper 1 to pass through one by one.

Next, when the motor 15 is energized, the rotation of the shaft 16 is transmitted to the drive shaft 12 via the conduction belt 17, and further transmitted to the lower shaft 9 via the conduction belt 18, and the front surface of the push-down belt 14 moves in the downward direction.

The paper 1 fed by the paper feed belt 2 is deposited on the paper discharge belt 3, and the leading edge thereof and the uneven stripes 1 on the surface of the push-down belt 14 are stacked on the paper discharge belt 3.
Due to the large friction caused by 3, the paper 1, which is a folded cardboard box, becomes flat against the restoring force, so that the bottom layer of paper 1 is reliably discharged one by one through the gap A. This inventive device is formed by vertically hanging a push-down belt having uneven stripes on its L surface over a barrier provided in a conventional paper feeding device.
Moreover, since one side of the push-down belt is positioned toward the front end of all stacked papers, the leading edge of the fed and stacked paper comes into frictional contact with the uneven stripes of the push-down belt and is pushed down, so that the paper feed scale material Even paper that tends to expand due to the restoring force of the folds, such as a folded cardboard box, becomes flat, and the lower side of the push-down belt is positioned above the top surface of the ejected paper, so the push-down belt does not hold the ejected paper. ``The bottom layer of paper is reliably ejected one by one through the gap.

Then, attach them to the upper, middle, and lower layers of the elevator frame, and then install two play shafts and a drive shaft on the azimuth layer, hang a push-down belt from the center shaft and the bottom shaft, and connect the play shaft to the top shaft and the bottom shaft to the bottom shaft and drive shaft. Because the transmission belt is suspended through the
The push-down belt is movable in any position.

Furthermore, since the drive pinion is engaged with the vertical rack of the elevating frame, the structure is simple and the elevating and lowering operations can be performed easily and reliably.

[Brief explanation of the drawing]

Fig. 1 is a front view of a paper feed/discharge device having the device of this invention, Fig. 2 is a front view of a barrier portion, Fig. 3 is a rear view of the same, and Fig. 4 is a side view with a portion of the above cut away. . 2: Paper feed belt, 3: Paper discharge belt, 4: Barrier, 5: Wall board, 6: Elevating frame ~ 7, 10, 11: Idle axis, 8: Center axis,
9: Lower shaft, 12: Drive shaft, 13: Uneven strip, 14: Push-down belt, 15: Motor, 16: Rotating shaft, 17, 18: Transmission belt, 19: Vertical rack, 20: Idle pinion, 2
1: Drive shaft, A: Gap. Figure 1 Figure 2 Figure 3 Figure 4

Claims (1)

[Claims] 1. A belt for discharging the lowest layer of stacked paper fed one by one from a paper feeding device, a barrier provided in front of the stacked paper with a gap from the belt, and a barrier provided behind the stacked paper. In a sheet feeding/discharging device having a wall plate, shafts are attached to the upper, middle and lower positions of the elevating frame serving as the barrier, and a push-down belt having uneven stripes on the surface is hung from the middle shaft and the bottom shaft, and the push-down belt is One side is positioned toward the front end of all the stacked papers, and the lower side of the push-down belt is positioned on the upper surface of the ejected paper, and a drive pinion is engaged with the vertical rack of the lift frame, and the drive shaft is moved toward the rear of the lift frame. and two play shafts, the upper shaft,
1. A stacked paper pressing device in a paper feed/discharge device, characterized in that a transmission belt is stretched around a lower shaft and a drive shaft via an idle shaft.