JPS59212335A - Method of separating flexible sheet - Google Patents

Abstract

PURPOSE:To enable the suction of a flexible sheet in a prescribed positional relation, by providing means for pushing the sheet on the center and around it and means for sucking the sheet on the peripheral portion. CONSTITUTION:After a sheet separation and conveyance mechanism comprising a first pushing means 12 for pushing a flexible sheet P on the center, means 13 for sucking the sheet near the edges and second pushing means 14 for pushing the sheet between the first pushing means and the suction means is put on the uppermost one of the stacked flexible sheets P, the uppermost sheet is sucked by the suction means 13 outside the second pushing means 14 to lift only the peripheral portion of the sheet. The second pushing means 14 are then elevated so that the first and the second pushing means 12, 14 and the suction means 13 are made gradually higher in that order. As a result, the flexible sheet P is curved and separated from the other lower sheets. Each flexible sheet P is thus prevented from deviating in position, so that the sheet is sucked in a prescribed positional relation.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for separating a plurality of flexible plate-shaped bodies by adsorbing them one by one from the upper surface.

Multiple plate-like materials such as paper, plastics, metal, etc.
In order to take out each sheet one by one to the place where it is needed, it is first necessary to reliably separate each sheet. To separate the plates one by one, you can use a friction roller, etc., to shift one of the top sheets, use an adhesive, etc., to attach the top sheet, or use a suction cup, etc., to attract the top sheet. There are methods. Conventionally, there has been a method that actively utilizes the elastically bending properties of flexible plate-like bodies to adsorb and separate them one by one from the top surface. be.

For example, Japanese Patent Application Laid-open No. 12-JTT367 discloses that a plurality of suction cups are brought into contact with the upper surface of a plate-shaped body, and a presser bar is placed between arbitrary suction cups adjacent to each other, and each suction cup is used to hold the plate-shaped body. The lower surface of the plate-shaped body located on both sides of the presser bar is partially separated from the lower plate-shaped body, and then the remaining A method for separating the suction cup and presser bar from the lower plate-shaped body by raising the lower part is disclosed in d7'. However, in the method disclosed herein, the mechanical separation regions are ubiquitous and are quite narrow in area, so the lower plate-like bodies tend to stick together unevenly when moving to the next lifting operation. This tends to induce positional nyz. In other words, air enters unevenly between the upper plate-like body and the lower plate-like body. This method of separating the flexible plate by partially bending the 1fAvc in which the entire flexible plate is sucked by a suction cup has a limit in improving the degree of separation.

An object of the present invention is to solve the above-mentioned problems of the prior art, and to remove the flexible plate-shaped body from the bottom when separating and taking out the flexible plate-like body one by one from the top. Induction of displacement of the plate? It is an object of the present invention to provide a separation method that can prevent the above problems and completely adsorb a flexible plate-like object in a predetermined positional relationship.

The present invention has been made to achieve all of the above objects! 1. a first pressing means for pressing a substantially central portion of the flexible plate-like body; a suction means for suctioning the vicinity of the edge of the flexible plate-like body; A plate-shaped object separation and transfer mechanism having a second holding means that presses the inside of the part that is attracted to the means, and a plate-shaped object separated and transferred mechanism having a second holding means that presses the inside of the part of the flexible plate-shaped object that has been adsorbed to the means, are first moved The entire outside of the second holding means is adsorbed by the rot absorption means to lift only the edge, and then the second holding means is also lifted, and the first holding means and the second holding means are attached to the suction means. The flexible plate-like body is curved and separated from the plate-like body below it in such a way that the positions thereof gradually become higher, and the corresponding wave-striped pressing means is referred to as the second pressing means. This is a method for separating a flexible plate-like object, in which the plate-like object separation and transfer mechanism, which includes the suction means and a second holding means, is moved to a predetermined position by lifting the same or more.

The present invention will be explained below with reference to embodiments shown in FIGS. 1 to 3.

FIG. 7 is a plan view illustrating the main parts of an apparatus for carrying out the present invention, and FIG. 1 is a side view of the same. The illustrated device includes a first pressing means for pressing approximately the center of the flexible plate-like body P, a suction means for sucking the vicinity of the edge of the flexible plate-like body P, and 3. Adsorption means lj [internal use rather than the part to be watched]
The first presser/2, the suction means 13, and the second presser lμ are configured to have different raising timings.

The operating state of the separator thus constructed is as shown in FIGS. 31A to 3. First, when each suction means 73 is activated and sucked, the suction cup at the tip of the suction means /3 flattens, attracts and lifts the flexible plate-shaped body 1)-(, Since the inside of each suction means/3 of the plate-like body P is pressed down by the respective second holding means/44, only the edges on both sides are raised &C, as shown in Fig. 3. Both ends are curved, allowing air to enter between them and the edge of the lower plate-shaped body, and both edges are evenly separated from each other.Next, each suction means 13 is attached to the second holding means 13. When is moved upward, the entire flexible plate-like body P is curved approximately three-dimensionally around the central part held by the first holding means/2 so that it does not move. As shown in the figure'f
Air enters between it and the lower plate-like body as shown in c. At this time,
Since the second and subsequent sheets are also held down by the first holding means 1, the displacement of the uppermost flexible plate as it curves is reduced by the λth and subsequent flexible plates. will not occur.

Thereafter, the first holding means 1.2 is moved upward and released from the flexible plate 14P as shown in FIG.

Thus, one i'J flexible plate-like body P is placed at t'1
．． fc is separated without changing the posture of the remaining flexible plate-like body. Then, each suction means/3 ↓ and the second pressing means l
By moving the plate separation and transfer mechanism consisting of Hiroshi to the required location and releasing the suction of each suction means 13, seven flexible plate bodies can be transferred at a time! can.

The first holding means 12 only moves up and down at the position of the flexible plate-like body P, and the movement of the plate-like body remains unchanged even if the transfer mechanism moves to another location. Ru. First presser means 12
may be provided several times in the center.

The central part is not the center of the flexible plate surface, but rather the center in relation to both edges.Since it is a shami, the first holding means may be arranged side by side, or rectangular ones may be used. Good too.

The present invention is based on the method described above.
(When separating and taking out the flexible plate-like bodies one by one from this flexible plate-like body, it is possible to prevent the occurrence of misalignment rL of the lower flexible plate-like body, and to hold the burnable plate in a predetermined positional relationship The effect is that the shaped body can be separated by suction/7f and moved to a predetermined position.

[Brief explanation of drawings]

Figure 7 is a 'F+ru diagram illustrating the main parts of the installation for carrying out the present invention, Figure 2 is the same side view, and Figure 3 is not shown (7th
The figure is a side view showing the operating state of the device. 7.2...Middle stage of the first door, /3...Layering means, l≠...Second pressing means, P...Burnable plate-like body. Patent applicant: Fuji Photo Film Co., Ltd. Figure 1 Figure 3 Figure 1!5 Figure 2 Figure 4 Figure 4

Claims (1)

[Scope of Claims] A first pressing means for pressing a substantially central portion of the flexible plate-like body, a suction means for sucking the vicinity of the edge of the flexible plate-like body, and a plate-shaped object separation and transfer mechanism having a second pressing means for pressing the inside of the part sucked by the suction means;
From the state where it is placed on the top stage of the flexible plate-shaped body that has been used in battle,
First, the outside of the second holding means is sucked by the suction means to lift only the edge, and then the second holding means is also lifted, and the first holding means, the second holding means, and In order of adsorption means
The flexible plate-like body is bent and separated from the plate-like body below so that the positions thereof gradually become higher, and then the second presser means is approximately equal to or higher than the second presser means. 1. A method for separating a flexible plate-like object, characterized in that the entire plate-like object separation and transfer mechanism having the suction means and the second holding means is moved to a predetermined position.