JPS6067343A - Automatic sheet feeder - Google Patents

Abstract

PURPOSE:To prevent the delivery of two plates to improve high speed responsive property in an automatic feeder for supplying plywoods from a stack of veneer plywoods or the like to a working process by adding a new system intermittent delivery mechanism to a adsorbing and separating delivery mechanisms. CONSTITUTION:An automatic feeder is provided with a belt 2 for transferring sheets 1 while adsorbing same on the lower surface, a suction box 3 for exerting a suction force to the belt 2, an adsorbing feeder mechanism 5 provided with a blower 4 and a roller 6 located in front of said mechanism 5 and above a transfer line of fed sheets 1 for regulating a gap. Also, this feeder consists of a separating feeding mechanism 8 provided below said roller 6 for regulating the gap with a triangular gap regulating stopper 7, and an intermittent feeding mechanism 11 located behind said mechanism 5 to press, stop, release and feed the uppermost sheet 1 on the stack and provided with a reciprocating unit 9 and a chute 10.

Description

DETAILED DESCRIPTION OF THE INVENTION (Object of the Invention) The present invention provides 1. This relates to an automatic thin plate feeding device that feeds out one sheet at a time from a pile of sheets 'j' to the northernmost one (f) and automatically supplies them to the subsequent processing step. In general, automatic feeding devices that utilize all of the adsorption devices frequently feed out two sheets, so air flows between the first and second layers and the thin sheets are naturally separated. This required a waiting time, which was a serious drawback in that high-Ki IM could not be delivered at high speed.

The present invention adds a new type of intermittent feeding mechanism to the conventionally known suction feeding and minute 1411 feeding mechanisms, thereby providing an automatic sheet feeding device that does not require double sheet feeding, has a high frequency, and is excellent in 1-speed z1 response. This is the purpose of U1.

(Structure of the Invention) As shown in the figure, the present invention has a suction unit 1 which applies a suction force to the thin plate 1 and the bell 1-2. 6 and a suction feeding mechanism 5 provided with a blower 4, a conveyance line for the thin plate 1 which is positioned in front of the suction feeding mechanism 5 and fed out, and a gap regulating roller 6 on the top of ``2'', and a roller 6 for gap regulation on the top of ``2''. A separating feeding mechanism δ is provided with a triangular gap regulating stopper 7 at the bottom of the roller B, and a separating feeding mechanism δ is located behind the suction feeding mechanism 41; Reciprocating device bt 9 and shoe 1of: intermittent feeding mechanism 11 provided
This is an automatic thin plate feeding device consisting of.

That is, the automatic feeding device of the present invention first uses the elevating tape/v12.
The spacing between the thin plates 1 on the two sides of the deposited layer and the belt 2 of the suction/feeding mechanism 5 is such that, for example, one or two thin plates 1 can be accommodated. At this time, the needle 10 of the intermittent feeding mechanism 11 is lowered by a reciprocating device 9 consisting of an air cylinder or the like. bη, the thin plate 1 on the uppermost surface is attached to the shoe 10. After 1': i+f part is pressed and restrained, so the suction and feeding mechanism 5 becomes 1/1. '! Even if the plate 2 is rotating, the thin plate 1 is only bent in an arched manner by the r7iJ side of the thin plate 1, and no actual feeding operation is performed. Furthermore, even if the thin plate 1a placed at the second position in the stack is momentarily lifted together with the adsorption action of the topmost thin plate 1, the second thin plate 1a will be moved by its own reaction force. As air flows between the p-layers, they will separate after a moment and return to their original positions (see Figure 1). Next, when the shoe 10 that had stopped the uppermost thin plate 1 is raised by the actuation of the reciprocating device 9, and the uppermost thin plate 1 is released and can be freely fed out, the rear half of the thin plate 1 is instantly removed. ) It is adsorbed by I/l.2 and fed out, and is also completely separated from the second thin plate 1a (see Fig. 2). The thin plate 1 fed out by the bells 1 and 2 passes through the separation feeding mechanism 8 located on the liJ side of the suction feeding mechanism 5, and then passes through the separation feeding mechanism 8 located on the liJ side of the suction feeding mechanism 5.
Even if there are thin plates smaller than the first one, they are reliably separated and fed out one by one to the upper stage of the latter stage. Then, the thin plate 1 on the uppermost surface is fed out, and when the rear end portion has finished passing directly under the shoe 10 of the intermittent feeding structure 11, the thin plate 10 is lowered again by the reciprocating actuator 9 to become the next uppermost surface. 2
This is to press and hold the thin plate 1a in preparation for the next feeding operation (see Fig. 6). - of the shoe 10 that was cut
The J2 lifting operation is carried out by the conveyance mJ of the suction and feeding mechanism 5, υ, and its The lowering operation is automatically controlled by the detection signal of the rear end of the thin plate 1 by the lowering control detector 14, which is provided near the shoe 10 and is composed of a limit switch, a photoelectric switch, etc. Furthermore, although the level of the two most thin plates 1 is not shown, a V-bell detector such as a photoelectric switch is installed on the side of the stack, and the elevating table 12 is automatically controlled based on the detection signal. It is something.

(Effects of the Invention) As described above, the present invention provides a separation feeder 1968 in front of the suction feeder 47G5, and the interval between the bell 1-2 and the thin plate 1 when the feeding operation of the intermittent feeder mechanism 11 is stopped at the rear. Because we were able to make it as small as possible, we were able to allow air to flow in between the second layer and the second layer when the feeding operation was paused, and the time required for re-adsorption was reduced to 1+ li. As a result, high-frequency and high-speed compatibility has been obtained, and since the rear end of the thin plate 1 is pushed (and restrained) by the shoe 10, the overall shape becomes arched, and instantaneous The second thin plate 1a is also lifted up together with the second thin plate 1, but the second thin plate 1t-1 immediately returns to its original position by combining it with the topmost thin plate 1 due to its own reaction force. is repeated naturally, resulting in a sharp decrease in the number of 2-sheet delivery.)Also, even if there is a second board that has been pushed forward somewhat by the above action, it will not be able to reach the suction 1. Conveyor (separation feeding mechanism 8 installed on the 1jIJ side of 1°7+5)
The second thin plate 1a is securely controlled by the gap regulating row-no 6 and the triangular gap regulating stopper 7.
If both sheets are stopped at the +iiJ position, the shoe 10 of the intermittent feeding mechanism 11 is tightly closed. Ayumu's Thin Board 1
Since the rear end is strongly struck from above, the adhesion state is released and only the thin plate 1 at the end L is fed out without staying there for a long time, resulting in an excellent splitting effect.
This invention is extremely effective in its implementation.

[Brief explanation of the drawing]

The figure shows an example of the implementation of the present invention, and shows the first to sixth
The figure shows the operating mode. 1...thin plate, 2...belt, 6-...suction i, 4...
Air blower, 5...Foil absorbing and feeding machine (1G, 6...Gap regulation roller, 7...Gap regulation IE monthly stopper, 8
... Separation feeder groove, 9 - Reciprocating operating device, 10... Nuyu, 11... Intermittent feeding mechanism. Patent applicant: In Mokuden Sano Bacteria Co., Ltd. Figure 1 Figure 2

Claims (1)

[Claims] A belt that adsorbs and conveys a thin plate to the lower surface and a belt/I
A suction feeder (1'f?7) equipped with a suction unit and a blower that exerts full suction force on /1-, and a gap at the top of the conveyor line of the thin plate being fed out, located in front of the suction feeder (yellow). Place the regulating roller in a diagonal shape at the bottom of the gap regulating roller.
Separation line 11-1 with a stopper for regulating the distance (1
A reciprocating device 1' and a shoe were installed at the rear of the J(f, (Cf) and +M thin plates to press and release and release the thin plates at the rear of the fil). Intermittent feeding machine (automatic thin plate feeding device 11゜ characterized by 14 or L connections)