JP2003009825A - Unit for removing impurity from sheet laver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a unit for removing impurities from sheet laver, capable of effectively removing the impurities attached to the sheet laver with brush rolls, and capable of making the brush rolls have durability and a long life. SOLUTION: In this unit for removing the impurities from the sheet lever, upper and lower conveyer belts 1a, 1b, 2a, 2b, 2c, and 2d which are divided into the upstream and downstream sides in the conveying direction of the sheet laver A are each formed out of plural narrow-width belts of which the each partially nips the sheet laver A in plural positions in the transverse direction, and the positions where the laver is nipped by the narrow-width belts are so arranged in transverse direction that the belts never lap over each other in both the upstream and downstream sides. Further, the upper and lower brush rolls 3a, 3b, 3c, and 3d are positioned on the upstream and downstream sides, respectively, so that the brush rolls are made to slidingly contact with the surfaces of the sheet laver A in positions where the sheet laver A is not nipped with the narrow-width belts in the transverse direction. Thus, the impurities attached to the sheet laver A are effectively removed, by making each of the brush rolls 3a, 3b, 3c, and 3d slidingly contact directly with the sheet laver A evenly in the transverse direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing impurities adhering to plate laver with a brush roll.

[0002]

[Prior Art] For dried plate seaweed, strained with raw seaweed,
Impurities such as small organisms and foreign matter in the sea adhere. Since plate laver with such impurities attached thereto has a reduced commercial value, these impurities are usually removed before being made into products.

It is very troublesome to manually remove these impurities one by one. Japanese Utility Model Publication No. 57-7273 discloses an impurity removing device using a brush roll as a device for mechanizing this work.

This impurity removing apparatus, as shown in FIG. 6, has upper and lower conveyor belts 51 for sandwiching and conveying plate laver.
Endlessly wound around a plurality of rollers 52, respectively, and arranged so as to face each other. At the position where the plate seaweed is sandwiched between the upper and lower conveyor belts 51, two pairs of top and bottom for removing impurities attached to the upper and lower surfaces of the plate seaweed The brush roll 53 is arranged.

In this impurity removing device, two pairs of scraping rollers 54 which rotate at different peripheral speeds are arranged upstream of the conveyor belt 51. This scraping roller 54
Describes that an uneven pattern is formed on the surface, and that it has an effect of scraping off the adhering impurities by friction with the surface of plate laver by rotating at different peripheral speeds.

The upper and lower conveyor belts 51 sandwich the upper and lower surfaces of plate laver on all sides, and each brush roll 53
The brush is made of metal net so that it can slide on the surface of the plate laver.

[0007]

SUMMARY OF THE INVENTION In the above-mentioned conventional plate seaweed impurity removing device, the plate seaweed is sandwiched between the upper and lower metal net conveying belts, and the brushes of the brush rolls pass through the mesh of the metal net. Since it is slidably contacted with the surface of this, the slidable contact of this brush is interrupted by the mesh of the metal net,
There is a problem that impurities adhering to plate laver cannot be removed sufficiently.

Further, since the brush roll is rotated at a peripheral speed higher than the speed of the conveyor belt, the brush roller also comes into sliding contact with the metal net of the conveyor belt, and there is a problem that the brush is worn and the durable life is shortened.

Therefore, an object of the present invention is to efficiently remove impurities adhering to plate laver with a brush roll, and
An object of the present invention is to provide a plate seaweed impurity removing device having a long-life brush roll life.

[0010]

In order to solve the above-mentioned problems, according to the present invention, the plate seaweed is sandwiched between the upper and lower conveyor belts and conveyed, and the plate seaweed is sandwiched between these upper and lower conveyor belts. In the plate seaweed impurity removing device, which removes impurities adhering to the upper and lower surfaces of the plate seaweed by the upper and lower brush rolls that are driven to rotate in the width direction of the plate seaweed,
Each of the upper and lower conveyor belts 2 in the direction of transporting plate laver
In addition to dividing into more than two parts, the upper and lower conveyor belts divided in this conveying direction are formed by multiple narrow belts that partially sandwich plate laver at multiple points in the width direction, and the width of these multiple stripes A plate formed by a narrow belt is a plate formed by a conveyor belt in which the upper and lower brush rolls are divided in the conveying direction so that a portion where the seaweed is partially sandwiched does not overlap in the width direction between the conveyor belts divided in the conveying direction. At least one of each of the nori seaweeds was arranged at each sandwiching position, and each of these brush rolls was brought into sliding contact with the seaweed seaweed at a width direction portion where the seaweed seaweed was not sandwiched by the narrow belt.

That is, the upper and lower conveyor belts are divided into two or more parts in the conveying direction, and the divided upper and lower conveyor belts are partially sandwiched by a plurality of strips of seaweed at a plurality of positions in the width direction. The upper and lower brush rolls are formed of belts so that the nipping portions do not overlap each other in the width direction between the conveying belts divided in the conveying direction, and the upper and lower brush rolls are provided at least 1 at each nipping position of the conveying belt divided in the conveying direction. By arranging each of these brush rolls and sliding each of these brush rolls onto the surface of the plate seaweed at the width direction part where the plate seaweed is not sandwiched by the narrow belt, the upper and lower brush rolls are directly and The sliding contact was made evenly in all directions so that the impurities adhering to the plate laver could be removed efficiently. Further, since each brush roll is slidably contacted only with laver seaweed, it does not wear so much and a long durable life can be secured.

When the plate seaweed is not sandwiched between the narrow belts at a plurality of positions in the width direction, the brush roll is divided in the axial direction so that only the width direction regions not sandwiched by these narrow belts are separated. The brush roll can be brought into sliding contact with the.

By arranging the upper and lower brush rolls at positions different from each other in the transport direction of the plate laver, and arranging a receiving roll for receiving the back side of the plate laver, facing each of these brush rolls, It is possible to prevent breakage of plate laver that comes into sliding contact with the roll. If the upper and lower brush rolls are arranged opposite to each other on the upper and lower surfaces of the plate seaweed, the brushes of the brush rolls bite into the plate seaweed, and the plate seaweed is easily broken.

By disposing a pressing roll for pressing the plate laver on the lower conveyor belt on the exit side of the brush roll, the tail end of the plate laver by the brush roll rotated at a peripheral speed higher than the speed of the conveyor belt is arranged. It is possible to prevent kicking up and to prevent the tail end of the plate from breaking.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. As shown in FIGS. 1 and 2, this plate laver impurity removing apparatus includes a lower conveyor belt 1 which is divided into an upstream side and a downstream side in the plate laver A conveying direction.
a, 1b, and the upper conveyor belts 2a, 2b, which are further divided into two parts on the upstream side and the downstream side and are divided into four parts in the conveying direction.
2c, 2d, an upper brush roll 3a arranged at a nipping position of the plate laver A by the upstream lower carrying belt 1a and an upper carrying belt 2a, and a lower nipping position of the lower carrying belt 1a and the upper carrying belt 2b. Lower brush roll 3b, upper brush roll 3c arranged at a nipping position between lower conveying belt 1b and upper conveying belt 2c on the downstream side, lower brush roll arranged at a nipping position between lower conveying belt 1b and upper conveying belt 2d Three
d, each of the brush rolls 3a, 3b, 3c, 3d, and each of the receiving rolls 4a, 4b arranged to face the back side of the plate laver A,
Basically, it is composed of 4c and 4d.

The brush rolls 3a, 3b, 3
On the exit side of c and 3d, the plate laver A is placed on the lower conveyor belts 1a,
A pressing roll 5 that presses against 1b is arranged.
Each pressing roll 5 is rotatably supported by the tip of a rotatable arm 6, is rotatably contacted with the lower conveyor belts 1a and 1b, and is driven to rotate while pressing the plate laver A by its own weight.

The upper conveyor belts 2a, 2b, 2
The reason why the number of divisions of c and 2d is made larger than that of the lower conveyor belts 1a and 1b is to facilitate removal of the plate laver A when it is jammed during transportation.

As shown in FIG. 3, the lower conveyor belt 1a.
Is a narrow endless flat belt, and the upper conveyor belt 2a is an endless round belt. Both belts are arranged such that three belts are aligned in the widthwise position, and the plate laver A is partially sandwiched at three locations in the widthwise direction.

Each flat belt of the lower conveyor belt 1a is wound around two drive rollers 7 provided with belt grooves. Further, each round belt of the upper conveyor belt 2a is attached to two rotary shafts 8 which are rotationally driven at a constant speed with the drive roller 7, and is wound around the drive roller 7 and three pulleys 9 having the same diameter. The plate laver A is conveyed while being clamped at the same speed as the lower conveyor belt 1a. Although not shown, the other lower conveyor belt 1
b and the upper conveying belts 2b, 2c, 2d are also formed by narrow endless flat belts and endless round belts, respectively. The flat belts are wound around the drive roller 7 and the round belts are wound around the pulley 9, respectively. There is.

As shown in FIG. 2, the lower transport belt 1a on the upstream side and the upper transport belts 2a, 2b sandwich the plate laver A at three positions in the width direction, and the lower transport belt 1b on the downstream side and the lower transport belt 1b on the downstream side. The upper conveyor belts 2c and 2d are configured to sandwich the plate laver A at four places which do not overlap the upstream side sandwiching place in the width direction.

The upper and lower brush rolls 3a, 3 on the upstream side
b is divided into four parts in the axial direction, and the plate laver A has each conveyor belt 1
The plate seaweed A is slidably contacted at a width direction portion which is not sandwiched by a, 2a, and 2b. Further, the upper and lower brush rolls 3c and 3d on the downstream side are axially divided into three parts so that the plate seaweed A is slidably contacted with the plate seaweed A at a width direction portion which is not sandwiched between the transport belts 1b, 2c and 2d. Has become. Therefore, the upstream and downstream brush rolls 3a, 3b,
3c and 3d complement each other in the width direction and evenly slide on the upper and lower surfaces of the plate laver A.

As shown in FIG. 4, the upper brush roll 3a on the upstream side, which is divided into four in the axial direction, is composed of the upper conveyor belt 2a.
Each of the round belts is attached to one of the rotating shafts 8 of the pulley 9 wound around it, and its outer diameter is formed larger than that of the pulley 9. Therefore, the upper brush roll 3a is the plate laver A
It is brought into sliding contact with the plate laver A at a peripheral speed higher than the transport speed of, and the impurities adhering to the surface thereof are scraped off.

The receiving roll 4a, which is arranged to face the upper brush roll 3a, is also divided into four parts in accordance with the division of the upper brush roll 3a, and the drive roller 7 of the lower conveying belt 1a and a V belt (not shown). It is connected and driven to rotate. The receiving roll 4a is formed to have the same diameter as the driving roller 7, and its peripheral speed is equal to the transport speed of the plate laver A.

As shown in FIG. 5, the upstream lower brush roll 3b divided into four in the axial direction is connected to the drive roller 7 by a V-belt (not shown) and rotated in the same manner as the receiving roll 4a. It is designed to be driven. The lower brush roll 3b is also formed to have a diameter larger than that of the drive roller 7, and is brought into sliding contact with the plate seaweed at a peripheral speed higher than the transport speed of the plate seaweed A.

The receiving roll 4b arranged to face the lower brush roll 3b is also divided into four parts in accordance with the lower brush roll 3b. The receiving roll 4b is used for the upper conveyor belt 2
Each of the round belts of b is attached to one of the rotating shafts 8 of a pulley 9 around which it is wound, and is formed to have the same diameter as the pulley 9, and its peripheral speed is equal to the transport speed of the plate laver A.

Although not shown, the upper and lower brush rolls 3c and 3d on the downstream side and the receiving rolls 4c and 4d are
Except for the difference in the number of divisions and the division position in the width direction, the upper and lower brush rolls 3a and 3b on the upstream side and the receiving rolls 4a and 4b have the same configuration.

In the above-described embodiment, the lower conveyor belt is divided into the upstream side and the downstream side, and the upper conveyor belt is further divided into the upstream side and the downstream side. The number of divisions in the carrying direction may be the same, and the number of divisions in the carrying direction may be three or more.

Further, the upper and lower conveyor belts are not limited to the combination of the round belt and the flat belt of the embodiment, and may be of a narrow width capable of partially sandwiching plate laver in the width direction.

[0029]

As described above, according to the plate laver impurity removing apparatus of the present invention, the upper and lower conveyor belts are divided into two or more parts in the conveying direction, and the divided upper and lower conveyor belts are separated into the plate laver. Formed by a plurality of narrow belts that are partially sandwiched at multiple points in the width direction, and do not wrap these sandwiched parts in the width direction between the conveyor belts that are divided in the transport direction. , At least one is arranged at each sandwiching position of the transport belt divided in the transport direction, and each of these brush rolls is brought into sliding contact with the surface of the strip of seaweed in the width direction portion where the strip of seaweed is not sandwiched by the narrow belt. Therefore, the upper and lower brush rolls can be slid directly and evenly in the width direction on the plate seaweed to remove impurities adhering to the plate seaweed efficiently, and to prevent abrasion of each brush roll. , It is possible to lengthen the service life.

Further, by arranging the upper and lower brush rolls at positions different from each other in the transport direction of the plate seaweed, and arranging a receiving roll which faces the back side of the plate seaweed, facing each of these brush rolls, It is possible to prevent breakage of plate laver that is slidably contacted with a brush roll.

Further, by disposing a pressing roll for pressing the plate seaweed against the lower conveyor belt on the exit side of the brush roll, the tail end of the plate seaweed by the brush roll rotated at a peripheral speed higher than the speed of the conveyor belt. It is possible to prevent the kicking up of the seaweed and to prevent the tail end of the plate laver from breaking.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of an apparatus for removing impurities from plate laver.

FIG. 2 is a plan view of FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

5 is a sectional view taken along line VV of FIG.

FIG. 6 is a front view showing a conventional plate laver impurity removing apparatus.

[Explanation of symbols]

1a, 1b Lower conveyor belt 2a, 2b, 2c, 2d Upper conveyor belt 3a, 3b, 3c, 3d brush roll 4a, 4b, 4c, 4d receiving roll 5 pressing roll 6 arms 7 drive roller 8 rotation axes 9 pulley

Claims (3)

[Claims] 1. A sheet of nori seaweed is sandwiched between upper and lower conveyor belts and conveyed, and at a position where the sheet of seaweed is sandwiched between these upper and lower conveyor belts, it is passed over in the width direction of the sheet seaweed and is driven to rotate. In a plate seaweed impurity removing device that removes impurities adhering to the upper and lower surfaces of plate seaweed with a brush roll, the upper and lower conveyor belts are each divided into two or more parts in the plate seaweed transfer direction, and in this transfer direction. The upper and lower conveyor belts are formed by a plurality of narrow belts that partially sandwich the plate seaweed at a plurality of locations in the width direction. , The upper and lower brush rolls are respectively provided at the nipping positions of the plate laver by the conveyor belts divided in the conveying direction so that the conveyor belts divided in the conveying direction do not overlap each other in the width direction. At least one brush roll is arranged, and each of these brush rolls is brought into slidable contact with the plate seaweed at a widthwise position where the plate seaweed is not sandwiched by the narrow belt. 2. The upper and lower brush rolls are arranged at positions different from each other in the transport direction of the plate seaweed, and a receiving roll for facing the back side of the plate seaweed is arranged so as to face each of the brush rolls. 1. An apparatus for removing impurities from plate laver according to 1. 3. The plate seaweed impurity removing apparatus according to claim 1, wherein a pressing roll for pressing the plate seaweed against the lower conveyor belt is arranged on the exit side of the brush roll.