JPS6247773B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to an apparatus for lifting up the upper layer of a stack of papers, for example, about 1000 sheets, and transporting them to another location.

<Conventional technology> Conventionally, when carrying printed sheets of paper to a cutting machine at a printing factory, etc., the amount that one person could carry at one time was at most a few dozen sheets, and the paper had to be carried over ten times for one cutting process. The reality was that I had to travel back and forth.

<Problems to be Solved by the Invention> The present invention attempts to solve the paper conveyance work, which has conventionally been performed manually in more than ten times, by mechanization. Here, the biggest problem is
The challenge was how to stably grasp and transport stacks of paper, which are about 1 m x 2 m in size, have no rigidity, are easily bent, and can slip between the sheets, while still being spread out.

<Means for Solving the Problems> To explain this with reference to FIG. 1, the device of the present invention includes a carriage 8 that reciprocates along a predetermined path on a horizontal plane, and a carriage 8 that moves back and forth along a predetermined path on a horizontal plane. A lifting platform 9 that moves up and down along a column installed above, a paper partition device 27 provided at the bottom of the lifting platform 9 and displacing in the front-rear direction, and a paper partition device 27 that moves horizontally forward from the upper front of the lifting platform 9. Telescopic cantilever bridge 11
, a back-and-forth moving head 19 provided at the tip of the cantilever bridge 11, and a back-and-forth moving head 19
A first guide rod 20 extending horizontally from the left and right sides,
20, a pair of left and right paper receiving shelves 32 supported by the first guide rods 20, 20 and provided at the same height as the paper partitioning device 27, and a pair of paper receiving shelves 32 provided upwardly from the paper receiving shelves 32. a pair of left and right paper holding devices 22A, 22B configured with a paper holding device 34;
Paper receiving heads 24A, 24B supported by the lifting table 9 and provided on both left and right sides of the lifting table 9, and vertical rotation shafts 25A, 25B provided on the paper receiving heads 24A, 24B are provided with the paper partitions. Device 2
It has a pair of left and right rotating arms 26A, 26B provided at the same height as the paper 7, and is partitioned by the paper partitioning device 27 from the laminated base stacked between the lifting platform 9 and the paper holding devices 22A, 22B. The upper layer portion is held by the pair of left and right paper holding devices 22A, 22B.
It is characterized in that it is configured to be lifted and conveyed along the predetermined path by the cooperation of the pair of left and right rotating arms 26A and 26B.

<Function> As shown in FIG. 2, the lifting platform 9 and the paper holding device 2
2, the paper to be processed is stacked. A paper partitioning device 27 at the bottom of the lifting platform 9 pushes the upper layer of paper forward several centimeters to partition it, and a pair of left and right paper holding devices 22 pinch the partitioned upper layer of paper.
At the same time, the rotating arms 26A and 26B provided on the left and right sides of the lifting platform 9 are driven to rotate by the paper receiving heads 24A and 24B, and sneak under the upper layer to support both the left and right sides of the paper. This left and right rotating arm 26
The upper layer of the paper is lifted by A, 26B and the left and right paper holding devices 22A, 22B and conveyed along a predetermined path.

<Example> Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 1 is a perspective view showing the entire embodiment, and FIG. 2 is a side view of the embodiment shown in FIG.

The bed 1 is elongated in the left and right directions on the floor surface, and a carriage 8 is provided on the bed 1 to reciprocate in the left and right directions by a motor 3 and a feed screw 4. Multiple columns 5, 5
A feed screw 6 at the center is established, and a lifting platform 9 is supported by these columns and the feed screw, and is displaced in the vertical direction by a motor 10 on the top plate 7. The equipment on these carriages constitutes the tower 2.

A cantilever bridge 11 extends in front of this elevator platform 9, and a central elevator chamber 12 is provided below the base of the cantilever bridge 11. Wires 13 are connected to the left and right sides of the upper part of the central elevator chamber 12. 13 is led behind the tower 2 via pulleys 14, 14 on the top plate, and a balance weight 15 is suspended from the tip.

The cantilever bridge 11 consists of a longitudinally moving shaft 16 and its holding portion 17, and the moving shaft 16 is displaced in the longitudinal direction by a motor 18. A longitudinally moving head 19 is provided at the tip of the longitudinally moving shaft 16, and the head 19
first guide rods 20, 20 in the left and right horizontal directions from
The feed screws 21, 21 extend parallel to each other. A left paper holding device 22A and a right paper holding device 22B are provided on the first guide rods 20, 20, respectively, and their positions can be adjusted by rotating feed screws 21, 21.

On the other hand, a second guide rod 2 extends from the central elevator chamber 12 in the left-right horizontal direction in parallel to the first guide rod.
3 and 23 extend, and a left paper receiving head 24A and a right paper receiving head 24B are provided at both ends, respectively. Rotating shafts 25A, 25B protrude below both paper receiving heads 24A, 24B, and rotating arms 26A, 26B are attached to the rotating shafts 25A, 25B. In the returned state, both ends of this arm are in the closest position as shown in FIG.

A paper partitioning device 27 is provided at the lower end of the front surface of the central elevator chamber 12 to partition the upper layer from the stacked papers. As shown in FIGS. 1 and 3, this paper partitioning device 27 includes a first partitioning member 28 provided in the center, second partitioning members 29A and 29B provided on both left and right sides of the first partitioning member 28, and It has push-out combs 30, 30 that move together with the partition member, and a sensor 36 that detects the upper surface of the paper. First partition member 28
can be displaced in the front-back direction as well as downward, and the second partition members 29A, 29B and push-out combs 30, 30 can be displaced only in the front-back direction.

As shown in FIG. 2, the paper holding device 22 includes a rod 31 that projects downward and is displaceable up and down, a paper receiving shelf 32 that rotates about the lower end of the rod as a fulcrum, and a rotation of the paper receiving shelf 32. In order to do this, it has a link 33 that is displaceable in the vertical direction, and a paper retainer 34 that is provided oppositely above the paper receiving shelf and expands and contracts by a built-in spring. You can hold the edges.
An air nozzle 35 for injecting air between the sheets of paper to be carried is disposed below the back and forth moving head 19 and communicates with an air pump (not shown).

Next, the action will be explained.

It is assumed that the papers P to be transferred are stacked in front of the left end of the bed 1 and are transferred to the right along the bed 1. Depending on the size of the paper, the paper receiving heads 24A, 24B and the left and right paper holding devices 2 are installed in advance.
2A, 22B, and the positions of the longitudinally moving head 19 are set in advance. The operations of each section described below proceed automatically according to a preset program of the sequence controller.

When the elevator platform 9 of the tower 2 descends and the sensor 36 detects the top surface of the stacked papers and the elevator platform 9 stops, the height of the paper partitioning device 27 is adjusted to match the upper layer to be transported and the remaining paper. Located at the border.

First, the first partition member 28 penetrates between the sheets of paper. Next, the second partition members 29A, 29B,
The extruded combs 30, 3 penetrate into the gap formed by the penetration of the first partition member and are integral with the second partition member.
0 pushes the upper layer of paper forward by several centimeters. This state is shown by the chain line in FIG. In parallel with the second partition member and extrusion comb extruding the upper layer of paper,
The first partition member 28 descends slightly to widen the gap. Next, the rotating arms 26A and 26B are rotated and pushed into the enlarged gap in order from the tip, and when the entire arm is inserted, it stops to support both the left and right sides of the paper. In parallel with the rotation of this rotating arm, the left and right paper clamping devices 22A and 22B clamp the left and right ends of the protruding side of the extruded upper layer, and then, by slightly rotating the feed screw 21, the left and right clamping parts The center part of the paper is bent by shortening the interval between them, and at the same time, air is blown from the air nozzle 35 between the leaves in the upper layer to loosen the paper.

When the lifting platform 9 is raised while continuing this air blowing, the upper layer of the paper is moved to the second partition device 29A, 29.
B. Rotating arms 26A, 26B and paper holding device 2
It is lifted by 2A and 22B. Next, the entire tower on the carriage 8 is moved to a predetermined position on the right.
Therefore, if the rotating arms 26A, 26B are further expanded outward and the paper holding devices 22A, 22B are loosened at the same time, the transported paper will fall onto a predetermined table. After the paper has fallen, the rotating arms 26A and 26B are returned to the return state, the carriage is returned to the left, and the next lifting operation is started.

<Effects of the Invention> According to the present invention, a paper partition device that is displaceable in the front-rear direction, and a cantilever bridge on both sides of the tip of the partition device,
A paper holding device consisting of a paper receiving shelf and a paper retainer is installed at the same height as the paper partitioning device, and rotating arms at the same height as the paper partitioning device are installed on both the left and right sides of the paper partitioning device. A desired amount of large paper can be stably lifted from the laminated base body and transported to another location. In addition, since the left and right paper holding devices are supported by the cantilever bridge, it is possible to mount the laminated base on one side of the machine, which facilitates paper conveyance work. Furthermore, the paper partitioning device, the pair of left and right paper holding devices, and the pair of left and right rotating arms are all supported by the lifting platform, and the thickness of the upper layer paper is determined only by the top and bottom of the lifting platform, so the control mechanism and power mechanism are becomes very easy.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the entire embodiment of the present invention, FIG. 2 is a side view of the embodiment shown in FIG. 1, and FIG. 3 is a front view showing the vicinity of the partitioning device of the embodiment shown in FIG. DESCRIPTION OF SYMBOLS 1...Bed, 2...Tower, 9...Elevating table, 11...Cantilever bridge, 12...Central elevating chamber, 19...Back and forth moving head, 20...First guide rod, 22A, 22B...Paper holding device, 23...No. 2 guide rods, 24A, 24B
...Paper receiving head, 26A, 26B...Rotating arm,
27...Paper partition device.

Claims (1)

[Scope of Claims] 1. A carriage 8 that reciprocates along a predetermined path on a horizontal plane; A lifting table 9 that moves up and down along a support established on the carriage 8; and a lifting table 9. a paper partition device 27 disposed at the bottom of the table and displaceable in the front-rear direction; a telescopic cantilever bridge 11 extending horizontally forward from the upper front surface of the lifting platform 9; and a paper partition device 27 provided at the tip of the cantilever bridge 11. a front-rear moving head 19; first guide rods 20, 20 extending horizontally from the front-back moving head 19 to both left and right sides; A pair of left and right paper holding devices 22A, 22B each comprising a pair of left and right paper receiving shelves 32 provided at the left and right sides, and a paper retainer 34 provided upwardly from the paper receiving shelves 32; The paper receiving heads 24A, 24B are supported and provided on both the left and right sides of the lifting platform 9, and the vertical rotating shafts 25A, 25B provided on the paper receiving heads 24A, 24B have the same height as the paper partitioning device 27. The upper part has a pair of left and right rotating arms 26A, 26B provided in the upper layer, and is partitioned by the paper partitioning device 27 from the laminated base stacked between the lifting platform 9 and the paper holding devices 22A, 22B. The pair of left and right paper holding devices 22A, 2
2B and the pair of left and right rotating arms 26A, 26B.
A device for lifting and conveying an upper layer of stacked paper, the device being configured to lift and convey along the predetermined path with the cooperation of: