KR102567481B1 - Sheet reversing system - Google Patents

Abstract

The present invention relates to a fabric reversing system, and the present invention relates to a first conveyor unit in which a pallet is removed in a state in which stacked fabrics are placed on a pallet and the stacked fabrics are disposed on an upper surface and moved; a first transfer unit including a plurality of rollers for transferring the stacked fabrics transferred from the first conveyor unit; a fabric reversing unit provided with an elevating space for reversing the stacked fabric transferred from the first transfer unit and a plurality of lifts provided in the elevating and descending space; a second transfer unit including a plurality of rollers for transferring the stacked fabrics in an inverted state received from the fabric reversal unit; And a second conveyor unit for receiving the inverted and stacked fabrics from the second transfer unit and moving them to the top of the pallet; including, the first conveyor unit and the first transfer unit, the fabric inversion unit, the second transfer unit, and the second transfer unit. Conveyor units may be arranged in sequential lines. As a result, it is possible to increase the efficiency of the worker's fabric reversal and prevent the worker's physical injury by minimizing the condition in which the worker performs a physically unreasonable movement in the process of reversing the fabric.

Description

Fabric Reversing System { SHEET REVERSING SYSTEM }

The present invention relates to a far-end inversion system.

Various printed materials or coated papers printed on both sides or one side, as well as plate materials, have a wider area than their thickness, so they shrink in one direction due to the characteristics of the material itself, or the paper or paper The properties of the plate material change, causing warpage in one direction. For example, even in the case of corrugated cardboard, which is a material of a paper box, when the shrinkage rate of the upper and back surfaces of the cardboard is different and it is printed, a phenomenon of warping in one direction occurs due to the influence of heat or friction generated during printing, and wood In the case of a plate, it may undergo a drying process or warp or warp due to weight.

Therefore, in the case of these various printed materials, coated paper, box paper, wooden boards, etc., when they are loaded in large quantities for distribution or production, the bending phenomenon in one direction is aggravated, so there are problems such as occurrence of defects in actual use. there is.

In order to solve this problem, when a large amount of such paper or plate is loaded, the loading direction is reversed up and down at a certain amount to alleviate the warping phenomenon, but this is all done by hand by the operator turning over and stacking at random It is made in a way, and there is a problem in that considerable cost is consumed to provide a new device for reversing the fabric in order to save labor.

Registered Patent Publication No. 10-1218559

The present invention is to solve the conventional problems as described above, and an object of the present invention is to minimize the conditions in which the worker performs physical or physically unreasonable movements in the process of reversing the fabric, thereby preventing worker injury. It is to provide an inversion system.

Another object of the present invention is to provide a fabric reversing system that can increase the efficiency of a worker's fabric reversal and save costs.

In order to achieve the object of the present invention as described above, in the fabric reversing system according to an embodiment of the present invention, the pallet is removed while the laminated fabric is placed on the pallet, and the laminated fabric is disposed on the upper surface A first conveyor unit that moves; a first transfer unit including a plurality of rollers for transferring the stacked fabrics transferred from the first conveyor unit; a fabric reversing unit provided with an elevating space for reversing the stacked fabric transferred from the first transfer unit and a plurality of lifts provided in the elevating and descending space; a second transfer unit including a plurality of rollers for transferring the stacked fabrics in an inverted state received from the fabric reversal unit; And a second conveyor unit for receiving the inverted and stacked fabrics from the second transfer unit and moving them to the top of the pallet; including, the first conveyor unit and the first transfer unit, the fabric inversion unit, the second transfer unit, and the second transfer unit. Conveyor units may be arranged in sequential lines.

In the fabric reversing system according to an embodiment of the present invention, the first and second conveyor units may further include a belt provided with an anti-slip means to prevent the laminated fabric from slipping.

In the fabric reversing system according to an embodiment of the present invention, the first and second transfer units and the fabric reversing unit may include a conveying roller that transports the laminated fabric by rotating.

In the far-end reversing system according to an embodiment of the present invention, a driving unit for transmitting rotational force to the transfer roller; may further include.

In the fabric reversing system according to an embodiment of the present invention, the fabric reversing unit includes: a first fabric reversing unit that is disposed on an upper portion after the stacked fabric is transported from the first transfer unit and is capable of moving up and down; And according to the user's intention, the fabric is inverted from the fabric stacked on the first fabric reversing portion, and the second fabric reversing portion is stacked on top and can be moved up and down.

In the fabric reversing system according to an embodiment of the present invention, the far-end reversing units face each other in a pair symmetrical to the side of the first or second fabric reversing unit based on the line, and the height of the stacked fabrics A plurality of photosensors for detecting; may further include.

In the fabric reversing system according to an embodiment of the present invention, the first and second fabric reversing units may move up and down until the height of the stacked fabrics detected by the photosensor reaches a predetermined height.

In the far end reversing system according to an embodiment of the present invention, the first and second far end reversing units may further include first and second lifts provided to move up and down.

According to the fabric reversing system according to the present invention, it is possible to prevent a worker's injury by minimizing a condition in which a worker performs a physically unreasonable movement in a process of reversing a fabric.

In addition, according to the fabric reversing system according to the present invention, it is possible to increase the efficiency of the operator's fabric reversal and save costs.

1 to 8 are diagrams schematically showing the operation process of the far-end reversing system according to an embodiment of the present invention.
9 is a partial excerpt from a plan view of a far-end reversing system according to an embodiment of the present invention.
Fig. 10 is a front view of Fig. 9;

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to components of each drawing, it should be noted that the same components have the same numerals as much as possible even if they are displayed on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function hinders understanding of the embodiment of the present invention, the detailed description will be omitted.

Also, terms such as first, second, A, B, (a), and (b) may be used to describe components of an embodiment of the present invention. These terms are only used to distinguish the component from other components, and the nature, order, or order of the corresponding component is not limited by the term. When an element is described as being “connected”, “coupled” or “connected” to another element, that element may be directly connected or connected to the other element, but there may be another element between the elements. It should be understood that may be "connected", "combined" or "connected".

Hereinafter, a far-end reversing system according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 to 8 are diagrams schematically illustrating the operation of a far-end reversing system according to an embodiment of the present invention, and FIG. 9 is a partial excerpt of a far-end reversing system according to an embodiment of the present invention viewed from a plane. 10 is a front view of FIG. 9 .

Referring to FIGS. 1 to 8 , the far-end inverting system according to an embodiment of the present invention includes a first conveyor unit 100, a first transfer unit 200, a far-end inversion unit 300, and a second transfer unit 400. And it may include a second conveyor unit 500, the first conveyor unit 100, the first transfer unit 200, the far-end reversing unit 300, the second transfer unit 400 and the second conveyor unit 500 ) may be sequentially arranged and form a line as one column.

The fabric 10 is stacked on a pallet (not shown), and can be transferred to the first conveyor unit 100 while being stacked on the pallet by means of transportation such as a forklift (not shown).

In the first conveyor unit 100, the fabric 10 stacked on the upper surface is lifted and can be moved to the first transfer unit 200 to be described later. At this time, the pallet can be removed while the stacked fabrics 10 are moved to the top of the first conveyor unit 100.

For reference, the first conveyor unit 100 may rotate in an endless track type, and a non-slip means may be provided so that the original fabric 10 moves without slipping. At this time, a belt surrounding a plurality of rollers (not shown) as an anti-slip means may be formed of a rubber material, but is not limited thereto, and various means may be applied as long as the slip of the fabric 10 can be prevented.

The first transfer unit 200 may receive the laminated fabric 10 from the first conveyor unit 100 . The first transfer unit 200 may be provided with a plurality of rotatable transfer rollers (not shown) to transfer the stacked fabrics 10 . For reference, one embodiment of the present invention may further include a driving unit (not shown), and the driving unit may transmit rotational force to the transfer roller.

The fabric reversing unit 300 is for inverting the fabric 10, receives the laminated fabric 10 transported from the first transfer unit 200, and is reversed and laminated by the second transfer unit 400 to be described later. (10) can be delivered.

The far-end reversing unit 300 may be provided with an elevating space (unsigned), and a plurality of lifts may be accommodated in the elevating and descending space.

The far-end reversing unit 300 may include a first far-end reversing unit 310 and a second far-end reversing unit 320 .

The first and second fabric reversing units 310 and 320 may include a first lift 311 and a second lift 321, respectively, and may include a transfer roller (not shown) to transfer the fabric 10. can

In the first fabric reversing unit 310, the stacked fabrics 10 are transported from the first transfer unit 200, are disposed on the upper portion, and can be moved up and down by the first lift 311.

In the second fabric reversing unit 320, the fabric 10 is inverted from the fabric 10 stacked on the first fabric reversing unit 310 according to the user's intention, stacked on top, and lifted by the second lift 321. descent is possible

The far-end reversing unit 300 may be provided with a plurality of photosensors 331, 332, 333, and 334. A plurality of photosensors (331, 332, 333, 334) face each other as a pair symmetrical to the side of the first or second fabric reversing portion (310, 320) based on the line and detect the height of the stacked fabrics . That is, the first fabric reversing unit 310 may be disposed between the first and second photosensors 331 and 332, and the second fabric reversing unit 310 may be disposed between the third and fourth photosensors 333 and 334 ( 320) may be placed.

The first and second fabric reversing units 320 may move up and down until the height of the stacked fabric 10 detected by the photosensors 331, 332, 333, and 334 reaches a predetermined height. Although not shown in the drawing, the first and second end reversing units 320 may include an elevating means to enable elevating and descending, and the elevating means is not particularly limited to any one. For example, various means such as a separate lift or a telescopic method may be provided as an elevating means.

Referring to FIG. 9 , a first interval (not shown) between the first photosensor 331 and the third photosensor 333 or a second interval between the second photosensor 332 and the fourth photosensor 334 Intervals (not shown) may be adjusted according to the operator's choice, but the first interval and the second interval are preferably the same.

For example, the photosensors 331, 332, 333, and 334 may transmit and receive signals using the photosensors. That is, the first photosensor 331 and the second photosensor 332 facing each other can transmit and receive optical signals to and from each other, and when the optical signals are being transmitted and received, the first and second photosensors 331 and 332 It is determined that they are located higher than the height of the original fabric 10, and when an optical signal is not transmitted/received, it can be determined that the first and second photosensors 331 and 332 are located lower than the height of the original fabric 10.

For reference, the third and fourth photosensors 333 and 334 may correspond to and contrast operations of the first and second photosensors 331 and 332 , respectively.

The far-end reversing unit 300 may operate as follows.

When the fabric 10 stacked on the first fabric inversion unit 310 is transferred, the first and second photosensors 331 and 332 may detect the fabric 10 .

Next, the first far end reversing unit 310 may send an electrical signal to the first lift 311 to descend until the first and second photosensors 331 and 332 can mutually transmit and receive optical signals. In this case, the heights of the first and second photosensors 331 and 332 may be set according to a user's selection to have a predetermined height. Here, the predetermined height may correspond to a worker's waist height (eg, 100 cm), which is convenient for the worker to lift the stacked fabrics 10 .

Thereafter, the operator inverts the fabric unit 11 closest to the second fabric reversing portion 320, which will be described later, among the stacked fabrics 10 of the first fabric reversing portion 310, and places the fabric in the second fabric reversing portion 320. layer up That is, the worker initiates the reverse operation.

As the inverted fabric unit 11 is stacked on top of the second fabric reversing portion 320, the height of the fabric 10 or fabric unit 11 gradually increases from the top of the second fabric reversing portion 320, and the third And transmission and reception of optical signals of the fourth photosensors 333 and 334 may be blocked.

At the same time as the transmission and reception of the optical signals of the third and fourth photosensors 333 and 334 are blocked, the second far-end reversing unit descends until the third and fourth photosensors 333 and 334 can mutually transmit and receive optical signals. An electrical signal can be sent to the second lift 321. At this time, the heights of the third and fourth photosensors 333 and 334 may be set according to a user's selection to have a predetermined height. The predetermined height may correspond to a worker's waist height (eg, 100 cm), which is convenient for the worker to reverse the stacked fabrics 10 and stack them.

Thereafter, the reversing operation is completed and the first and second lifts 311 and 321 are operated according to the operator's movement command, so that the first and second fabric reversing units 310 and 320 are respectively the first transfer unit ( 200) and the second transfer unit 400, the same height as the adjusted, inverted and laminated fabric 10 may be transferred to the second transfer unit 400.

On the other hand, when the operator moves between the first photo sensor 331 and the second photo sensor 332 and the light signal is momentarily blocked, the light signal is blocked by the first photo sensor 331 and the second photo sensor 332. determines whether or not it lasts for a predetermined time, maintains the operation as it is if the optical signal is blocked shorter than the predetermined time, and if the optical signal is blocked longer than the predetermined time, the first lift to lower the first conveyor 311 (311) can be signaled.

In addition, an imaging unit (not shown) may be provided corresponding to the position of the second fabric reversing unit 320 where the inverted fabric unit 11 is stacked, to photograph A control device (not shown) provided in the far-end reversing system according to the present invention analyzes the captured original fabric image to extract the far-end line, and determines whether or not the state of the extracted far-end line appears alternately. Thus, when the fabric is not laminated at a height interval of a preset range, it is possible to transmit a warning signal for this to the operator. To this end, the far-end reversing system and a user terminal (not shown) possessed by an operator may transmit and receive information through various types of wired and wireless communication methods.

The second transfer unit 400 may receive the stacked fabric 10 in an inverted state from the fabric reversing unit 300 . Like the first transfer unit 200, the second transfer unit 400 may be provided with a plurality of rotatable transfer rollers (not shown) to transfer the fabric 10. For reference, one embodiment of the present invention may further include a driving unit (not shown), and the driving unit may transmit rotational force to the transfer roller.

The second conveyor unit 500 may receive the inverted and stacked fabric 10 from the second transfer unit 400 . The second conveyor unit 500 may move the transferred inverted and stacked fabrics 10 to the top of a new pallet. Then, the operator can move the inverted and laminated fabric 10 to a predetermined location by lifting the pallet using a transportation means such as a forklift.

For reference, the second conveyor unit 500 may rotate in an endless track type, and a non-slip means may be provided so that the original fabric 10 moves without slipping. At this time, the belt surrounding the plurality of rollers (not shown) as the anti-slip means may be formed of a rubber material, but is not limited thereto, and various means may be applied as long as the slip of the fabric can be prevented.

What has been described above is only an embodiment for implementing the far-end reversing system according to the present invention, and the present invention is not limited to the above-described embodiment, and the present invention is provided without departing from the gist of the present invention claimed in the following claims. Anyone skilled in the art will say that the technical spirit of the present invention exists to the extent that it can be implemented by making various changes.

10: fabric 11: fabric unit
100: first conveyor unit 200: first transfer unit
300: fabric reversal unit 310: first fabric reversal unit
311: first lift 320: second fabric reversal
321: second lift 330: photosensor
331: first photo sensor 332: second photo sensor
333: third photo sensor 334: fourth photo sensor
400: second transfer unit 500: second conveyor unit

Claims (8)

A first conveyor unit including a belt made of rubber to prevent the stacked fabrics from slipping when the pallet is removed while the stacked fabrics are placed on the pallet and the stacked fabrics are disposed on the upper surface and moved;
a first transfer unit including a plurality of rollers for transferring the stacked fabrics transferred from the first conveyor unit;
a fabric reversing unit in which an elevating space is formed under the ground and a plurality of lifts are provided to elevate and descend through the elevating and descending space in order to reverse the stacked fabric transferred from the first transfer unit;
a second transfer unit including a plurality of rollers for transferring the stacked fabrics in an inverted state received from the fabric reversal unit; and
A second conveyor unit including a belt made of rubber to receive the inverted and stacked fabrics from the second transfer unit and move them to the top of the pallet, and to prevent the stacked fabrics from slipping;
including,
The first conveyor unit, the first transfer unit, the far end inversion unit, the second transfer unit and the second conveyor unit are arranged in sequential lines,
The first and second transfer units and the far end inversion unit,
A conveying roller for conveying the laminated fabric by rotating; and
a driving unit that transmits rotational force to the conveying roller;
Including more,
The fabric inversion part,
A first fabric reversing unit including a first lift provided so that the stacked fabrics are transported from the first transfer unit and placed on the upper portion to be moved up and down;
A second fabric reversing unit including a second lift provided so that the fabric is inverted from the fabric stacked on the first fabric reversing unit and stacked on top according to the user's intention and is capable of moving up and down; and
A plurality of photosensors arranged to be spaced apart at predetermined intervals facing each other as a pair symmetrical to the side of the first or second fabric inversion part based on the line and detecting the height of the stacked fabrics;
Including more,
The first and second fabric reversing units move up and down until the height of the stacked fabrics detected by the photosensor reaches a predetermined height,
an imaging unit provided corresponding to the second fabric reversing unit and capturing an image of the fabric stacked on the second fabric reversing unit; and
Analyzing the image of the fabric captured by the imaging unit, extracting the fabric line, determining whether or not the state of the extracted fabric line appears alternately, and the fabric is not stacked at a height interval of a preset range Control device for transmitting a warning signal to the operator if it is determined that it is not;
A fabric reversal system comprising a. delete delete delete delete delete delete delete