JPS62269829A - Suppler for sheet-shaped article - Google Patents

Abstract

PURPOSE:To perfectly unbind a sheet-shaped article in its conveyance process, by lifting the sheet-shaped article of book leaf or the like, which is carried in a vertically placed condition, by a lift device to be held one by one between belts through the friction with the endless belt and feeding the sheet-shaped article to a predetermined position. CONSTITUTION:A sheet-shaped article A is placed on a feed-in conveyer 1, and the article A, which comes into contact with a belt surface of a lift device 10 successively from the top end article rising to a certain distance through the friction with a belt, is lifted onto the top part of the lift device 10 as shown in the drawing. The sheet-shaped article A on the top part of the lift device 10 is held by a holding device 11 and pressed to a surface of the endless belt 3 by a suitable pressure. The sheet-shaped article A on the top part of the lift device 10 is preferable to be separated by a blow of air from an air nozzle or a vibrative load through the holding device 11. And the sheet-shaped article A, if it rises to a certain distance being attracted one by one to the surface of the belt 3 by a vacuum device 4, reaches a predetermined position 2 being held between the belt 3 and an endless belt 5.

Description

Detailed Description of the Invention 6. Detailed Description of the Invention (Field of Industrial Application) The present invention relates to an apparatus for sequentially feeding sheet-like materials to predetermined positions. Note that the sheet-like material herein refers to a quire that is a component of a book, an expanded sheet-like box, and other paper or thin plates that can be handled as a single unit.

(Prior art) For example, in bookbinding, the signatures are stacked in a series of corresponding pockets, and the signatures are taken out one by one from the bottom edge of each pocket to collect one book and then bound. . Therefore, each pocket must always store an appropriate amount of signatures in an unraveled state, and therefore, during the supply process, the signatures are unraveled one by one. In addition,
It is desirable to loosen the pieces one by one during the feeding process also when feeding other 7-1.

Conventionally, as a feeding device for such sheet-like material, the 15th
What is shown in FIG. 1 and FIG. 16 is known. As shown in the figure, the feeding device shown in FIG. a first endless belt (3) consisting of a perforated belt extending obliquely upward through the belt to a predetermined position (2); and an infeed conveyor (1).
a vacuum suction device (4) located near the tip of the endless belt (3) for sucking the sheet-like object through the endless belt (3); and a vacuum suction device (4) located above the first endless belt to sandwich and convey the sheet-like object between It consists of a second endless belt (5). During operation, the sheet-like materials on the feeding conveyor (1) are sequentially attracted to the surface of the belt (3) by the suction device (4, 1i'i) and lifted by friction with the belt surface. When the belt is lifted to a certain extent, the first and second endless belts (3
) and f51, and is conveyed to a predetermined position such as a pocket as it is.

In addition, in the conventional device shown in Fig. 16, a vacuum suction device (4
), the lowest roller (3') on which the first endless belt (3) hangs is placed close to the top of the infeed conveyor (t1), so that the sheet-like material (i.e. 3′) and the first endless belt (
3) is lifted to some extent by friction with the belt, and then conveyed while being sandwiched between a pair of endless belts.

(Problems to be Solved by the Invention) In such a conventional device, if the pressure applied by the subsequent sheet-like objects is moderate, the first endless belt (3) can lift the sheets one by one. However, if the pressing force is strong, there is a problem in that a plurality of sheet-like objects are simultaneously lifted and sandwiched between a pair of endless belts, and therefore cannot be completely unraveled in the process.

An object of the present invention is to solve the above-mentioned problems of the prior art.Therefore, it is an object of the present invention to provide a sheet-like material which can be fed one by one to a predetermined position and can therefore be completely unraveled during the feeding process. It is to provide a feeding device.

(Means for Solving the Problems) A feature of the sheet-like material supply device according to the present invention is that a pair of endless conveyors are provided between a feed conveyor on which a large number of sheet-like products are placed and a predetermined position where the sheet-like materials are to be fed. Bell) as well as
Furthermore, it includes a lifting device that touches the surface of the most advanced sheet material on the feeding conveyor, lifts it to a certain extent and transfers it to the endless belt, and a device that holds the sheet material on the top of the lifting device. Preferably, the feed conveyor is configured to be able to move vertically in parallel so that it can accommodate sheet-like objects having a wide range of vertical dimensions. Further, if desired, a circular rotating member is provided which contacts the sides of the sheet for separating and pushing the sheet at the front of the infeed conveyor.

(Effect of the said means) The sheet on the infeed conveyor is lifted onto its top by a lifting device, and in the process, depending on the pressure with which the sheet is pressed by the following sheet, a plurality of sheets may be They may also be lifted at the same time. At the top of the lifting device one or more sheet-like objects are held by a holding device. In order to press the sheet material with a moderate pressure against the IC (endless bell), the sheet material is lifted one by one by friction with the belt surface or by vacuum, and is fed between the belts and sent to a predetermined position.

(Example) Next, an example of the present invention will be described with reference to the drawings. Figures 1 to 6 show the entirety of this feeding device, and as shown, in this device as well, there are connections between the feed conveyor (1) and a predetermined position (2) such as a pocket for signatures. A pair of endless belts (3) in between.

(5) are arranged in a vertically abutting L channel, and in the illustrated embodiment, one of the endless belts (3) is a perforated belt; A vacuum suction device (4) is provided slightly above the.

Endless belt (31H series of rollers (3ak (3b),
... and is driven by a motor (6). The other belt (5) is above belt (3) and is hung over a series of rollers (5a), (5b). (7) is the roller (3a) close to the predetermined position
, (5a) is the position adjustment handle.

In the figure, (8) is a guide plate that is hung on both sides of a pair of endless belts. The feed conveyor (1) has a pair of belts (
lal'! Bamboo chain and its side guide plate (1
b) and the drive motor (IC).

The feeding device according to the present invention has a lifting device (1 (1)
1i and, in conjunction with its lifting device, is provided with a holding device, preferably consisting of a leaf spring 011 as shown. It further preferably includes an air nozzle 0 for separating the sheet material on the top of the lifting device uO1.

The air nozzles 112 are provided on both sides of the endless belt (31, (510) located in the center, as clearly shown in FIG. 4).

Preferably, a pair of leaf springs (111) of the holding device are used symmetrically, and each of the leaf springs (111) is fixed to the support rod 3.

It is preferable that the lifting device (101) is composed of a small looped endless belt (10a) as shown in the figure.If it is composed of an endless belt like this, the contact surface 3 with the sheet material is large and stable. This operation has the advantage that the sheet-like object can be lifted above the friction VC.As shown in FIG. 1, the lifting device uO) is driven by the motor 0 center.

During operation, the sheet-like objects (A) placed upright on the feeding conveyor (1) come into contact with the belt surface of the lifting device (10) in order from the most advanced one, and due to friction therewith,
By raising the height 6 to a certain extent, for example, the length of one side of the sheet material or less, as shown in FIG.
, 01 is lifted onto the top. The sheet material on the top of the lifting device (1) is held by the holding device (11) VC and pressed against the surface of the first endless belt (3) with appropriate pressure. The sheet on the top is preferably separated by air blowing by an air nozzle t12)K or by vibrational loading via a holding device (ID and lifting device dO). are pressed against the surface of the first endless belt (3) by the holding device (11) with moderate pressure, so they are attracted to the surface of the belt (3) one by one by the vacuum suction device (4) and lifted to a certain extent. Then, it is held between the upper endless belt (5) and reaches a predetermined position (2).

In the above embodiment, the lifting device a0+ is an endless belt (10
a), but other configurations may be used. For example, as shown in FIG. 3, a pair of friction rollers (1
0b). In this case as well, the most advanced sheet-like material is sequentially lifted to a certain extent and adsorbed onto the first endless belt (3) from above the upper roller. In addition, the holding device +Ill does not necessarily have to be a leaf spring, and instead of the support frame (131), it may be a rod that is rotatable in the vertical direction at the lower end (i.e., provided at an angle). Alternatively, air may be blown onto the back surface of the sheet-like material.

Furthermore, as shown in FIG. 6, a first endless belt (3)
may be constituted by a friction belt, in which case the vacuum suction device (4) is not used at position 7. If desired, an endless belt (10a) of the lifting device with IC holes may be used, and a vacuum suction device (4) may be used there.

7 to 10 illustrate a preferred form of infeed conveyor file used in connection with the present invention,
The No. 7 feed conveyor (1) includes a substrate (15) supporting the conveyor belt (1a) and a device 1t31 for vertically moving the substrate. The conveyor (1a) is supported on the substrate 09D by two pairs of rollers, and the conveyor (1a) is supported on the substrate 09D by two pairs of rollers.
) is engaged with a long hole U7c in the longitudinal direction formed in the substrate.

Two pairs of threaded rods are vertically fixed to the bottom surface of the substrate (151) for vertical movement, and each threaded rod is held in place and engaged with a female threaded member system, and each female threaded member is It has an integrally mounted sprocket. Each sprocket is connected by a chain to a common sprocket (2), which sprocket has a pair of bevel teeth.
, (to) and the main shaft by the handle K (Fig. 9). The container is the guide roller of the conveyor belt (1a).

Furthermore, the guide that moves the conveyor (1a) diagonally due to the vertical movement vc# of the board bending is leaked. The kite consists of a diagonally extending slot C31) formed on a pair of side plates and six pins that are fixed to the frame of the conveyor and engage with the slots (3I). This has the advantage of simplifying the structure. Note that the slope of the slot 0υ is approximately the same angle as that of the lifting device (10) described above.

Therefore, when the main shaft is rotated by the handle (c), the female threaded member (211) rotates and moves each threaded rod (20) up and down through the chain (23) and sprocket (24), and the conveyor ( 1) is moved up and down.At this time, the pins G of the conveyor move along the slot c3υ, so the conveyor (1) moves up and down and also moves in one conveying direction. It also moves to the left as shown by the line.The height of this feed conveyor can be adjusted, so sheet-like items such as signatures can be moved over a wide range of vertical dimensions (!2.1 in Figure 10). Q2...) can be handled.

If desired, as shown in FIGS. 11 to 14, side plates (2) are provided on both sides of the frame (G) of the feed conveyor (1), and the sheet-like material (A) is sandwiched between them. A circular member, preferably a circular brush/13s, is provided on both sides near the tip of the conveyor and at an appropriate height, and the outer periphery of each brush is attached to the green on both sides of the sheet-like object placed on the conveyor. 'lc is in contact.

As shown in FIG. 11, each plan field is preferably in contact with the top of the sheet material on the conveyor, and the plans on both sides are installed at the same height.

Each brush □□□ is rotationally driven, and as described below, in the case where the interval between the side plates (B) is adjusted by ci'T, each side plate (3
4) and rotated by each motor (36) via a transmission member such as a chain (3η).

Preferably, as shown in FIG. 13, each side plate 3, 0 is movably supported in the width direction by a pair of shafts (9) connected to the support frame, and the support frame is provided with a rotatably screw shaft c3, By connecting the female screw member (40 to the corresponding side plate (1), the screw shaft C39) that engages with the screw shaft, the distance between the side plates can be adjusted by manually operating the handle (4υ) attached to one end. Ru.

The sheet material placed on the feed conveyor (1) is almost vertical.
Alternatively, the sheet-like material is erected diagonally and is gradually fed toward the lifting device (10), and when it reaches near the tip of the conveyor (1), the rotating swings 05) on both sides cause the edges of the sheet-like material to come into contact with each other. It is received, separated from its neighbors, and pushed toward the tip. The 13 circular members may be gears, discs with a corrugated or grooved outer circumferential surface, friction wheels, or any other material that can play almost the same role as the brush.

Therefore, the sheet-like objects on the feeding conveyor (1) are separated well by the rotating brush (g) near the tip of the sending section 7, and are pushed forward, so the amount of sheet-like objects on the conveyor is reduced. However, it will be properly lifted by the lifting equipment team.

(Effects of the Invention) As described above, according to the present invention, the sheet-like object that has been lifted to a certain extent and pressed against the belt surface with appropriate pressure is lifted by friction or adsorption, so that the sheet-like object can be moved up at once. It can be fed one by one, and it can be conveyed by being held between the bell and the belt. Therefore, it can be completely loosened during the process of transporting it to a predetermined position.

[Brief explanation of the drawing]

FIG. 1 is a front view of a feeding device according to an example of the present invention, FIG. 2 is a plan view thereof, FIG. 6 is an end view, FIG. 4 is a perspective view of main parts, and FIG. 3 is a main part of another embodiment. FIG. 6 is a front view of the main parts of another embodiment, FIG. 7 is a side view showing a preferred form of the feed conveyor that constitutes a part of the apparatus of the present invention, and FIG. 9 is a plan view of a portion of the conveyor belt '6 removed, FIG. 10 is an enlarged side view of a portion of the feed conveyor, and FIG. 11 is a plan view of another portion of the feed conveyor. 12 is a plan view of the preferred form with parts removed; FIG. 13 is an end view thereof; FIG.
The figure is a plan view showing the operating state of the feed conveyor, No. 15.
The figure is a schematic diagram showing -911 of a conventional supply device, and FIG. 16 is a schematic diagram showing another example of the conventional supply device. In the figure, 1... feeding conveyor, 5.5... endless belt, 4... true nitrogen adsorption device, 10... lifting device, 11
... Holding device, 12... Air nozzle, 15... Board, 16... Vertical movement device, 17... Roller, 18...
... Pin, 19... Long hole, 20... Screw shaft, 31.
52...Guide, 34...Side plate, 55...Circular member, 36...Motor patent applicant Yamada Machine Industry Co., Ltd. Figure 6, Figure 13, Figure 14. Figure 15

Claims (15)

[Claims] (1) A feeding conveyor on which a large number of sheet-like objects are placed; a first endless belt extending from a position above the tip of the feeding conveyor to a predetermined position; and a first endless belt located on and between the first endless belt. In the sheet feeding device including a second endless belt which pinches and conveys the sheet, the sheet further lifts the most advanced sheet of the feeding conveyor to a certain extent and receives it on the first endless belt. A sheet material feeding device comprising: a lifting device for passing the material; and a device for holding the sheet material on the top of the lifting device so as not to separate from the first endless belt. (2), the first endless belt is a belt with holes;
2. The sheet-like material feeding device according to claim 1, further comprising a vacuum suction device for sucking the sheet-like material through the first endless belt. (3) The sheet-like material feeding device according to claim 1, wherein the lifting device is an endless belt. (4) The sheet-like object according to claim 3, wherein the endless belt constituting the lifting device is a perforated belt, and includes a vacuum suction device for adsorbing the sheet-like object through the perforated belt. Feeding device. (5) The sheet-like material feeding device according to claim 1, wherein the holding device comprises a leaf spring. (6) The sheet-like material feeding device according to claim 1, wherein the holding device comprises a rod tilted at a lower end so as to be rotatable in the vertical direction. (7) The sheet material feeding device according to claim 1, further comprising an air nozzle for separating the sheet material on the top of the lifting device. (8) The feeding conveyor includes a conveyor movably supported on the substrate in the conveyance direction, a device for vertically moving the substrate in parallel, and a device for vertically moving the conveyor diagonally in response to the vertical movement of the substrate. A sheet-like material feeding device according to claim 1, further comprising a guide for guiding the sheet-like material. (9) The sheet-like material feeding device according to claim 8, wherein the device for vertically moving the substrate comprises a screw mechanism including two pairs of vertically provided threaded rods. (10) The conveyor is supported by a roller on the substrate and is movable in the conveyance direction by a long hole extending in the conveyance direction of the substrate and a pin of the conveyor that engages with the long hole. 9. The sheet-like material feeding device according to item 8. (11) The sheet-like article according to claim 8, wherein the guide for diagonally vertical movement of the conveyor comprises a diagonally extending slot provided in a side plate and a pin of the conveyor that engages with the slot. Feeding device. (12) The sheet-like material feeding device according to claim 8, wherein the screw mechanism is operated by a manual handle. (13) A sheet-like product according to claim 1, wherein a circular member that is rotatably driven and touches a side edge of the sheet-like product is provided on both sides near the tip of the feeding conveyor. Feeding device. (14) The sheet-like material feeding device according to claim 15, wherein each of the circular members is installed on a side plate whose spacing is adjusted and is driven by a respective motor. (15) The sheet-like material feeding device according to claim 13, wherein each of the circular members is a brush.