JP7814756B2 - Roller-to-roller conveying system for seaweed - Google Patents

Description

Article 30, Paragraph 2 of the Patent Act applies. The publication date (delivery date) is May 12, 2023. The publication location (delivery location) is the headquarters factory of Nagai Nori Co., Ltd. (11-3 Toiyacho, Toyohashi City, Aichi Prefecture).

The present invention relates to a roller-to-roller conveying system for nori seaweed. That is, it relates to a conveying system for a roller-to-roller conveying device for nori seaweed.

《Technical background》
In production and processing lines for dried seaweed (hereinafter simply referred to as "seaweed"), the seaweed is transported and processed in various ways using conveyors such as round belt transporters, flat belt transporters, and roller-to-roller transporters.
The roller-to-roller conveying device conveys the seaweed from the entrance roller to the exit roller spaced apart from each other.

<<Prior Art: Roller-to-Roller Conveying Device 1>>
That is, as shown in Figures 4, 5 and 6, the inter-roller conveying device 1 conveys seaweed A from the front entrance roller 2 to the rear exit roller 3 with a front-to-rear gap B therebetween.
The entrance roller 2 has a driving roller 4 and a driven roller 5 arranged above and below, and the exit roller 3 also has a driving roller 6 and a driven roller 7 arranged above and below.
When the outlet roller 3 pinches the laver A, the inlet roller 2 pushes out the pinched laver A.

<<Prior Art: Regarding Guide Board 8>>
The roller-to-roller conveying device 1 is provided with a guide plate 8 that guides the conveyed seaweed A from below at a front-to-rear distance B.
The guide plate 8 guides the seaweed A linearly from a tangent position C between the driving roller 4 and the driven roller 5 of the entrance roller 2 to a tangent position D between the driving roller 6 and the driven roller 7 of the exit roller 3.
In the figure, reference numeral 9 denotes a round belt conveying device, which conveys the seaweed A before and after the inter-roller conveying device 1. That is, the round belt conveying device 9 conveys the seaweed A on a round belt 12 between roller 10 and entrance roller 2, and between exit roller 3 and roller 11.

However, the following problems have been pointed out as issues with the conventional roller-to-roller conveying device 1 for laver A.
Problem 1: Occurrence of defects such as bending, damage, and clogging
First, it was pointed out that the seaweed A is not smoothly sandwiched between the outlet rollers 3, and defects E such as bending, breakage, and clogging often occur.
For example, in the case of seaweed A that has a low moisture content and is fragile, such as seaweed A from a secondary processing line that produces cooked seaweed or roasted seaweed, or seaweed A that has a strong flavor, the seaweed A is likely to deviate from the linear guide provided by the guide plate 8 during transport, resulting in bending, floating, flapping, and other deformations F.
As shown in Figure 5 (1), the leading end _A1 of the seaweed A hits the driven roller 7 of the outlet roller 3 and is deformed F, which prevents the seaweed A from being smoothly sandwiched at the tangent position D between the driven roller 7 and the driving roller 6, resulting in the seaweed A being displaced upward or downward from the tangent position D, resulting in failure and instability.
As shown in FIG. 5(2), defects E such as bending, breakage, and clogging of the seaweed A often occurred.
(In contrast, as shown in Figure 5(3), when the leading end _A1 of the seaweed A hits the lower driving roller 6, the problem E can be easily avoided by adjusting the guide plate 8 up and down using the lifting means.)

<<Problem 2: Regarding the upper presser round belt and upper presser guide plate>>
Secondly, as a measure to prevent deformation of the seaweed A at the exit roller 3 as mentioned above (F) and as a measure to prevent malfunction (E), a measure to install an upper pressure round belt or an upper pressure guide plate (not shown) in the front-to-back space (B) between the entrance roller 2 and the exit roller 3 has also been developed.
That is, measures have been taken to install a round belt or a guide plate in front of the exit roller 3 to press down on the transported seaweed A from above.
However, although this measure is effective to some extent, it has been pointed out that maintenance is troublesome. That is, if the seaweed A gets stuck between the lower guide plate 8, it is difficult to remove it. Furthermore, it has been pointed out that the upper presser round belt needs to be replaced periodically.
(Incidentally, reference numeral 13 in Figs. 4 and 6 denotes an upper presser round belt. This upper presser round belt 13 is not for the above-mentioned exit roller 3 but for the entrance roller 2, but like the one for the exit roller 3, it is composed of a round belt 14 and a driving roller 15. The seaweed A is pressed down between this and the round belt 12 of the lower round belt conveyor 9, thereby realizing smooth sandwiching at the tangent position C of the entrance roller 2.)

<<Problem 3: Transporting items between inspection areas>>
Thirdly, it was difficult to install the above-mentioned upper presser round belt and the upper presser guide plate in the inspection section.
That is, as shown in Figure 6, when inspection devices 18 such as a light source 16 and a camera 17 are arranged above and below in the front-to-back space B between the entrance roller 2 and the exit roller 3, a gap G is formed in the guide plate 8 to allow the irradiated light L to pass through.
Therefore, it is difficult to install the upper presser round belt and the upper presser guide plate in the front-to-rear space B. Therefore, the above-mentioned deformation F and the occurrence of the defect E remain as problems.
Therefore, instead, it was considered to install the air blowing unit 19 toward the tangent position D of the exit roller 3. However, it was pointed out that the air blowing would cause the seaweed A to flutter, which was a fatal problem. Furthermore, using a round belt conveying device 9 instead of the inter-roller conveying device 1 was also difficult due to the passage of the irradiated light L.
The roller-to-roller transport device 1 is still used for transport in the inspection section, and the above-mentioned problems have been pointed out.
The problems with the inter-roller conveying device 1 are as described above.

About the present invention
The roller-to-roller conveying system for seaweed according to the present invention has been developed in consideration of the above-mentioned circumstances in order to solve the problems of the prior art.
The present invention aims to propose a roller-to-roller conveying system for seaweed that, first, allows the seaweed to be smoothly sandwiched between the exit rollers, second, is easy to maintain, and third, allows for easy transport through the inspection section.

<<About each claim>>
The technical means of the present invention for solving such problems are as follows, as set forth in the claims.
Regarding claim 1, the following applies:
The laver inter-roller conveying system of claim 1 is a conveying device in a production line or processing line of dried laver , and comprises an entrance roller arranged at the front of the conveying path, an exit roller arranged at the rear of the conveying path with a gap between the entrance roller, a guide plate arranged between the exit roller and the entrance roller to guide the conveyed dried laver from below , and a suction part provided on the guide plate at a position close to the exit roller , and the entrance roller and the exit roller are each a drive roller made of a hard resin with a smooth surface, and a drive roller arranged above the drive roller with an elastic surface. and a driven roller made of rubber with frictional force, the shaft of which is loosely inserted so as to be movable up and down within a vertically elongated hole drilled in a fixed bracket for mounting and holding, and which is rotatable in accordance with the rotation of the drive roller, and is structured to apply pressure to the drive roller by its own weight, the suction part has a plurality of suction holes, each of which is an elongated slit that is formed parallel to the axial direction from the entrance roller to the exit roller, and opens so as to be flush with the upper surface of the guide plate, and is structured so that the dried seaweed being transported can be sucked toward the guide plate by the negative pressure generated through each suction hole.
Regarding claim 2, the following applies:
The nori roller-to-roller conveying system of claim 2 is a conveying device in a dried nori production line or processing line , and comprises: an entrance roller arranged at the front of the conveying path and having a drive roller and a rotatable driven roller arranged above the drive roller ; an exit roller arranged at the rear of the conveying path and spaced apart from the entrance roller, having a drive roller and a rotatable driven roller arranged above the drive roller ; a guide plate arranged between the exit roller and the entrance roller and capable of guiding the dried nori being conveyed from below; and a suction section provided on the guide plate at a position closer to the exit roller , wherein the suction section has multiple suction holes, each of which is an elongated slit that is formed parallel to the axial direction from the entrance roller to the exit roller and opens flush with the upper surface of the guide plate, and is configured to suck the conveyed dried nori toward the guide plate by the negative pressure generated through each suction hole.

Regarding claim 3, the following applies:
The laver conveying system according to claim 3 is the system according to claim 1 or 2, wherein each of the suction holes has a wide middle area and gradually narrows toward both ends to form a pointed shape.
Regarding claim 4, the following applies:
In the seaweed roller-to-roller conveying system of claim 4, in claim 1 or 2 , the guide plate guides the passing dried seaweed linearly from the tangential position between the drive roller and the driven roller at the entrance roller to the tangential position between the drive roller and the driven roller at the exit roller, and is configured to follow the action of the dried seaweed being linearly clamped to the tangential position of the exit roller by the suction section suctioning the dried seaweed.

Regarding claim 5, the following applies:
In the roller-to-roller conveying system for seaweed of claim 5, in claim 1 or 2, the distance between the entrance roller and the exit roller is less than the length of the dried seaweed, and the entrance roller is configured to push out the rear end of the seaweed that it has clamped when the exit roller clamps the front end of the dried seaweed that is being sucked in by the suction section.
Regarding claim 6, the following applies:
The laver conveying system of claim 6 is the laver conveying system of claim 1 or 2 , wherein the entrance rollers are arranged at intervals on the same line in the width direction of the conveying path, the exit rollers are arranged in the same number as the entrance rollers and are arranged opposite to each other, the suction parts are arranged in the same number as the exit rollers and are arranged in positions before each of the exit rollers on the conveying path, and the number of suction holes formed in each suction part is 2 or 3.
Regarding claim 7, the following applies:
The roller-to-roller conveying system for seaweed of claim 7 is the same as claim 1 or 2 , and further comprises a light source arranged either above or below the area between the entrance roller and the exit roller , capable of illuminating the dried seaweed being conveyed, and an inspection device having a camera arranged opposite the light source and capable of receiving the light irradiated from the light source through the dried seaweed being conveyed, and a gap is formed in the guide plate to allow the irradiated light to pass through.

<About the effects>
The present invention comprises such means and is as follows:
(1) The roller-to-roller conveying device conveys the seaweed from the entrance roller to the exit roller.
(2) When the outlet roller pinches the front end of the seaweed that has been sucked in by the suction section, the inlet roller pushes out the rear end of the seaweed that has been pinched.
(3) The roller-to-roller conveying system for laver according to the present invention is equipped with a guide plate and a suction unit with respect to such a roller-to-roller conveying device.
(4) The guide plate guides the seaweed linearly toward the tangential position between the driving roller and the driven roller of the inlet roller.
(5) The suction section is incorporated into the guide plate near the outlet roller, and the suction holes are flush with the upper surface of the guide plate.
(6) The suction unit sucks the seaweed toward the guide plate, thereby helping to pinch the seaweed linearly to the tangent position of the outlet roller. The seaweed is sucked toward the guide plate so that it does not come off the guide plate and fall off, and the seaweed is pinched to the tangent position without resistance and without hitting the driven roller of the outlet roller.
(7) The laver conveying system according to the present invention operates as follows: First, the laver is smoothly sandwiched between the outlet rollers of the conveying device. This prevents the laver from being bent, lifted, flapping, or otherwise deformed, and prevents problems such as bending, breakage, or jamming.
(8) Furthermore, the guide plate is incorporated into the suction section, which makes maintenance and management easy.
(9) Furthermore, it can be applied without any problems to the transportation in the inspection section. The light source and camera of the inspection device are arranged above and below, and a gap is formed in the guide plate to allow the irradiated light to pass through, but the suction unit can be incorporated into the guide plate without any problems.

First Effect
First, the seaweed is smoothly sandwiched between the exit rollers.
The nori seaweed conveying system according to the present invention is characterized in that a suction unit is incorporated into the guide plate of the roller conveying device, so that the nori seaweed is guided in a straight line reliably to the tangent position of the exit roller and smoothly sandwiched.
Unlike the conventional roller conveying device described above, the conveyed seaweed is prevented from curving, floating, flapping, or other deformations. It also does not shift up or down, resulting in defects or instability.
As a result, problems such as bending, breakage, and clogging do not occur, and the laver is smoothly sandwiched at the tangential position between the drive roller and the driven roller of the outlet roller.

Second Effect
Secondly, maintenance is easy.
The laver conveying system according to the present invention is configured by incorporating a suction unit into the guide plate of the roller conveying device. This means that no special maintenance is required, and it is easy to maintain, service, and manage.
Unlike the above-mentioned conventional example, there is no need for troublesome maintenance. That is, if the seaweed gets stuck in the upper pressure round belt or the upper pressure guide plate during conveyance, there is no need to take out and remove the jammed seaweed. There is also no need to periodically replace the round belt.

Third Effect
Thirdly, transportation through the inspection section is possible without any problems.
In the inspection section, a light source and a camera of the inspection device are arranged above and below between the entrance roller and the exit roller, and a gap is formed in the guide plate to allow the irradiated light to pass through.
The laver conveying system according to the present invention can be applied to such inspection zone conveyance without any problems. The suction unit can be easily installed near the exit roller of the guide plate. There is no problem with installation, unlike the above-mentioned conventional example, which requires the installation of an upper pressure round belt and an upper pressure guide plate.
In this way, the effects of the present invention are remarkable and great, as all of the problems that existed in the prior art of this type are solved.

The present invention will be described in detail below with reference to an example of a roller-to-roller conveying system for laver according to the present invention. Fig. 1 is a front view, and Fig. 2 is a plan view. 1A and 1B are enlarged front views of the main parts of the embodiment of the present invention, and FIG. 1B is a plan view of the main parts of another example. The following figures are provided to explain the embodiment of the present invention and show yet another example, in which (1) is a front view and (2) is a plan view. An example of a conventional example is shown, with (1) being a front view and (2) being a plan view. Fig. 1 is an enlarged front view of a main part of the conventional example, and Fig. 2 shows the state where the leading edge of the nori seaweed hits the outlet roller, and Fig. 3 shows the state where the leading edge of the nori seaweed is bent or damaged. Another conventional example is shown in Fig. 1, where Fig. 1 is a front view and Fig. 2 is a plan view.

The present invention will be described in detail below with reference to FIGS.
Overview of the Invention
First, the outline of the present invention is as follows.
The roller-to-roller conveying system for seaweed A according to the present invention relates to a roller-to-roller conveying device 1 that conveys seaweed A from a front entrance roller 2 to a rear exit roller 3 with a front-to-rear gap B therebetween.
The conveying device is provided with an inter-roller guide plate 8 that guides the conveyed seaweed A from below at a front-to-rear distance B, and a suction section 20 attached to the guide plate 8.
The exit roller 3 has a driving roller 6 and a driven roller 7 at the top and bottom, and a guide plate 8 guides the seaweed A linearly toward a tangent position D between the driving roller 6 and the driven roller 7 of the exit roller 3.
The suction section 20 is characterized in that it sucks the seaweed A toward the guide plate 8 side, and follows the seaweed A so that it is pinched linearly to the tangential position D of the outlet roller 3.
The outline of the present invention is as above. The present invention will be described in further detail below.

<<Regarding the roller-to-roller conveying device 1>>
First, the inter-roller conveying device 1 will be described.
In the production line for Nori A and the subsequent processing line, the Nori A is transported and processed in various ways. Conveyors such as a round belt transport device 9, a flat belt transport device (not shown), and a roller-to-roller transport device 1 are used for transporting the Nori A.
The inter-roller conveying device 1 conveys seaweed A from an entrance roller 2 at the front to an exit roller 3 at the rear, with a front-to-rear gap B. The entrance roller 2 has a driving roller 4 and a driven roller 5 at the top and bottom, and the exit roller 3 also has a driving roller 6 and a driven roller 7 at the top and bottom.

A more detailed description will be given of the inter-roller conveying device 1. The nori seaweed A typically has dimensions of about 210 mm (up to 230 mm) in length, 190 mm (up to 200 mm) in width, and 0.2 mm to 0.5 mm in thickness, and is in the form of a flexible, thin, roughly sheet.
The front-rear distance B between the entrance roller 2 and the exit roller 3 is less than the above-mentioned length of the seaweed A.
Thus, when the exit roller 3 pinches the front end _A1 of the nori A to be sucked by the suction unit 20, the entrance roller 2 pushes out the rear end _A2 of the nori A that has been pinched, and the nori A is then conveyed by the exit roller 3. The front-to-rear distance B is usually about 130 mm to 200 mm.

The driving rollers 4, 6 of the entrance roller 2 and the exit roller 3 are made of long cylindrical straight rollers, and are connected to a driving source such as a motor to be driven to rotate.
The driven rollers 5, 7 of the entrance roller 2 and the exit roller 3 are pressed against the driving rollers 4, 6 so as to be able to move up and down, and are rotatable rollers that rotate in response to the rotation of the driving rollers 4, 6. In the illustrated example, multiple rollers are arranged in a divided fashion on the left and right.
2(1), the driven rollers 5, 7 are attached to a fixed bracket K having a vertically long hole H through which the shafts S of the driven rollers 5, 7 are inserted so as to be movable up and down. As a result, the driven rollers 5, 7 are pressed against the driving rollers 4, 6 by their own weight, and are able to pinch the nori A therebetween.
The driven rollers 5, 7 in the illustrated example are thin, roughly top-shaped or wheel-shaped, and two or three or more are arranged at intervals in the left-right direction, but they may also be a single straight roller rather than relying on the illustrated example of a left-right split type.
The tangent position (contact position) C between the drive roller 4 and the driven roller 5 of the entrance roller 2, and the tangent position (contact position) D between the drive roller 6 and the driven roller 7 of the exit roller 3 are as follows.
The heights of tangential positions C and D and the upper surface of guide plate 8 are aligned. That is, drive rollers 4 and 6 are made of hard resin with excellent lubricity, while driven rollers 5 and 7 are made of rubber with excellent elasticity and friction, so the thickness of the seaweed A sandwiched between them at tangential positions C and D is absorbed.
As a result, the height levels of the tangential positions C and D are aligned with the height level of the upper surface of the guide plate 8 that guides the seaweed A from below.
The roller-to-roller conveying device 1 is as described above.

<<About Signboard 8>>
Next, the guide plate 8 will be described.
The guide plate 8 guides the conveyed seaweed A from below at a front-to-back interval B as a guide plate between rollers.
That is, the guide plate 8 linearly guides the seaweed A conveyed through the front-to-rear distance B from a tangent position C between the driving roller 4 and the driven roller 5 of the entrance rollers 2 to a tangent position D between the driving roller 6 and the driven roller 7 of the exit rollers 3. The seaweed A is placed on the upper surface and conveyed along the upper surface, thereby guiding the seaweed A so that it is sandwiched linearly at the tangent position D.
The guide plate 8 is flat and is disposed horizontally between the entrance roller 2 and the exit roller 3 at a height level that allows it to contact the back side of the seaweed A being conveyed. The front-to-rear length is slightly smaller than the front-to-rear distance B, and the left-to-right width is larger than the width of the seaweed A.
The above is the case with regard to guide board 8.

<<Regarding the suction unit 20>>
Next, the suction unit 20 will be described.
The suction unit 20 is attached to the guide plate 8. That is, the suction unit 20 is incorporated into the guide plate 8 at a position close to the outlet roller 3, and its suction holes 21 are open flush with the upper surface of the guide plate 8. The suction holes 21 in the illustrated example consist of elongated slits extending from front to back, with two or three suction holes arranged side by side, each with a width of 6 mm or less.
Thus, the suction section 20 sucks the seaweed A toward the guide plate 8 side, and follows up the linear clamping of the seaweed A to the tangent position D of the outlet roller 3.

The suction unit 20 will be described in further detail. In the illustrated example, the suction unit 20 is integrally assembled in the guide plate 8, but it is also possible to incorporate it separately adjacent to the guide plate 8. For example, the guide plate 8 may be divided into left and right halves, and the suction unit 20 may be disposed between them.
The suction holes 21 of the suction section 20 are flush with the upper surface of the guide plate 8 and are aligned in height, so that the conveyed seaweed A is sucked from below onto the guide plate 8 by negative pressure.
Furthermore, when the driven rollers 7 of the outlet roller 3 are divided into multiple parts as in the illustrated example, the same number of suction sections 20 are also arranged in front of and below each driven roller 7.

A suction fan is used as the suction source of the suction unit 20. The suction power of the suction unit 20 is as follows.
As described above, when the exit roller 3 pinches the front end _A1 of the nori seaweed A that has been sucked by the suction unit 20, the entrance roller 2 pushes out the rear end _A2 of the pinched nori seaweed A. Then, the exit roller 3 pushes out the pinched nori seaweed A from the front end _A1 to the rear end _A2 and conveys it.
In this way, the seaweed A is pushed out by the entrance roller 2 and the exit roller 3 and transported, and at this time, the suction section 20 is required to have a suction force that is not an obstacle to the pushing out or transport.
In other words, the suction force of the suction unit 20 is set to be small enough so as not to interfere with the pushing force or conveying force of the inlet roller 2 or the outlet roller 3 .
b) For the same reason, the suction unit 20 is set to have a greater suction force in the up-down direction and a smaller suction force (binding force) in the left-right and front-rear directions.
Furthermore, the suction unit 20 requires a greater suction force the further it is from the exit roller 3 and the closer it is to the entrance roller 2. However, this suction force may cause deformation F of the seaweed A, such as floating or bending, so the suction force is set taking this into consideration.
d. When the seaweed A is hard, the suction unit 20 is required to have a stronger suction force.
Taking into consideration each of these factors a, b, c, and d, the suction force of the suction unit 20 is set to satisfy these factors. The shape of the suction holes 21 is also devised.
Therefore, for example, a 9GA0412P3H011 type manufactured by Sanyo Denki Co., Ltd. is used as the suction fan of the suction unit 20. The shape of the suction holes 21 is also as shown in the example shown in the drawing.
The suction fan has a static pressure of about 100 Pa to 400 Pa and an air volume of about 0.15 m ³ /min to ^{0.6 m 3} /min, and generates a powerful suction force due to its high speed rotation.
The suction unit 20 is as described above.

<<About the illustrated example>>
An example of the illustration is as follows:
1(1), 1(2) and 2(1) show a typical example of a roller-to-roller conveying system for laver A according to the present invention. Two driven rollers 7 and two suction units 20 are arranged on the left and right. Fig. 2(2) shows an example in which three are arranged on the left and right.
3(1) and (2) show an example in which the roller-to-roller conveying system for laver A according to the present invention is applied to the inspection section conveyance. In this example, a light source 16 and a camera 17 of an inspection device 18 are arranged above and below in the front-to-back space B between the entrance roller 2 and the exit roller 3.
The light source 16 illuminates the seaweed A being conveyed, and the camera 17 receives the irradiated light L from the light source 16 through the seaweed A. Based on the received light data, for example, inspection and discrimination of foreign matter attached to the seaweed A are performed. The guide plate 8 has a gap G formed therein to allow the irradiated light L to pass through.
1 and 3, reference numeral 9 denotes a round belt conveying device (V-belt conveyor, string belt conveyor) that conveys seaweed A before and after the inter-roller conveying device 1 according to the present invention.
That is, the seaweed A is placed and transported on an endless round belt 12 wound between roller 10 and entrance roller 2, and between exit roller 3 and roller 11. The round belts 12 are arranged at a constant left-right pitch that is narrower than the left-right width of the seaweed A. The entrance rollers 2 and exit rollers 3 are also those of the inter-roller transport device 1.
The illustrated example is as above.

《Effect, etc.》
The roller-to-roller conveying system for laver A according to the present invention is configured as described above.
(1) The roller-to-roller conveying device 1 horizontally conveys and delivers the seaweed A from the entrance rollers 2 at the front to the exit rollers 3 at the rear, with a front-to-rear gap B. The entrance rollers 2 are equipped with a driving roller 4 and a driven roller 5 at the top and bottom, and the exit rollers 3 are equipped with a driving roller 6 and a driven roller 7 at the top and bottom (see Figure 1).
In the illustrated example, a plurality of driven rollers 5 are arranged in a divided manner on the left and right (see FIG. 1(2) and FIG. 2(2)).

(2) The distance B between the entrance roller 2 and the exit roller 3 is less than the length of the nori A. Therefore, when the exit roller 3 pinches the front end _A1 of the nori A that has been sucked by the suction unit 20, the entrance roller 2 pushes out the rear end _A2 of the nori A that has been pinched (see FIG. 2(1)).
Then, the outlet roller 3 pushes and conveys the sandwiched seaweed A from the front end _A1 to the rear end _A2 .

(3) The roller-to-roller conveying system for seaweed A according to the present invention includes a guide plate 8 and a suction unit 20 in relation to the roller-to-roller conveying device 1.
That is, it is equipped with an inter-roller guide plate 8 that guides the transported seaweed A from below at a front-to-back distance B, and a suction section 20 attached to the guide plate 8 (see Figures 1 and 2).

(4) First, the guide plate 8 guides the seaweed A linearly from tangent position C between the drive roller 4 and driven roller 5 of the entrance roller 2 to tangent position D between the drive roller 6 and driven roller 7 of the exit roller 3 (see diagram (1) in Figure 2).

(5) The suction unit 20 is incorporated into the guide plate 8 at a position closer to the outlet roller 3, and its suction holes 21 are flush with the upper surface of the guide plate 8 (see Figure 1 (2) and Figure 2 (2)).
In the illustrated example, the suction sections 20 are arranged in front of and below the multiple driven rollers 7, which are arranged on the left and right sides of the outlet roller 3 (see Figure 1 (2) and Figure 2 (2)).

(6) Thus, the suction section 20 sucks the seaweed A toward the guide plate 8, thereby following up the linear clamping of the seaweed A to the tangent position D of the outlet roller 3 (see Figure 1 (1) and Figure 2 (1)).
That is, as described in the above item (4), the guide plate 8 guides the laver A being placed and transported in a straight line from below toward the tangent position D of the exit roller 3. The suction unit 20 sucks the laver A toward the lower guide plate 8 so that it does not separate from the guide of the guide plate 8 and fall off.
In this way, the guide plate 8 is supported and followed by the suction part 20, thereby fulfilling the intended guide function for the seaweed A. As a result, the seaweed A is sandwiched at the tangential position D without resistance and without hitting the driven roller 7 of the outlet roller 3.

(7) The roller-to-roller conveying system for laver A according to the present invention operates as follows.
This system first allows the seaweed A to be smoothly sandwiched between the exit rollers 3 of the roller-to-roller conveying device 1.
The seaweed A conveyed through the front-to-rear gap B is prevented from being curved, floating, flapping, or otherwise deformed F (see the conventional example in Figure 5(1)). This prevents problems E such as bending, breakage, or clogging (see the conventional example in Figure 5(2)).

(8) The inter-roller conveying system for seaweed A according to the present invention has a simple configuration in which the suction unit 20 is incorporated into the guide plate 8 of the inter-roller conveying device 1, making it easy to maintain, repair, and manage.

(9) In the inspection section, the light source 16 and the camera 17 of the inspection device 18 are arranged above and below each other, and a gap G is formed in the guide plate 8 to allow the irradiated light L to pass through.
The roller-to-roller conveying system for laver A according to the present invention can be applied without any problems to the conveyance through such an inspection section. That is, the suction unit 20 can be incorporated without any problems into the guide plate 8 near the exit roller 3.

(10) Furthermore, by applying the inter-roller conveying system for seaweed A according to the present invention, it is possible to use the inter-roller conveying device 1 in place of the existing round belt conveying device 9. It is expected that the use of the inter-roller conveying device 1, which does not require periodic replacement of the round belt, will be expanded.
The effects etc. are as described above.

A Nori seaweed A ₁ Front end A ₂ Rear end B Front-to-rear spacing C Tangent position D Tangent position E Defect F Deformation, etc. G Gap H Vertically elongated hole K Bracket L Irradiated light S Shaft 1 Roller-to-roller conveying device 2 Inlet roller 3 Outlet roller 4 Drive roller 5 Driven roller 6 Drive roller 7 Driven roller 8 Guide plate 9 Round belt conveying device 10 Roller 11 Roller 12 Round belt 13 Upper pressure round belt 14 Round belt 15 Roller 16 Light source 17 Camera 18 Inspection device 19 Air blowing section 20 Suction section 21 Suction hole

Claims (7)

This is a conveying device for dried seaweed production lines and processing lines .
an entrance roller disposed at the front side of the conveying path ;
an exit roller disposed on the rear side of the conveying path at a distance from the entrance roller ;
a guide plate disposed between the outlet roller and the inlet roller and capable of guiding the transported dried seaweed from below ;
a suction portion provided on the guide plate at a position close to the outlet roller ,
The entrance roller and the exit roller each have a drive roller whose surface is made of a hard resin having lubricity, and a driven roller disposed above the drive roller whose surface is made of rubber having elasticity and frictional force, the shaft of the driven roller being loosely inserted so as to be movable up and down within a vertically elongated hole drilled in a fixed bracket for mounting and holding, the driven roller being rotatable following the rotation of the drive roller, and applying pressure to the drive roller by its own weight,
The suction section has a plurality of suction holes, each of which is a long, narrow slit that is formed parallel to the axial direction from the entrance roller to the exit roller and is flush with the upper surface of the guide plate. The structure is such that the dried seaweed being transported can be sucked toward the guide plate by the negative pressure generated through each suction hole.
Roller-to-roller conveying system for seaweed. This is a conveying device for dried seaweed production lines and processing lines .
an entrance roller disposed at the front side of the conveying path and having a drive roller and a rotatable driven roller disposed above the drive roller ;
an exit roller disposed at a rear side of the conveying path with a gap between the entrance roller and the exit roller , the exit roller having a drive roller and a rotatable driven roller disposed above the drive roller ;
A guide plate is disposed between the outlet roller and the inlet roller and can guide the transported dried seaweed from below .
a suction portion provided on the guide plate at a position close to the outlet roller ,
The suction section has a plurality of suction holes, each of which is a long, narrow slit that is formed parallel to the axial direction from the entrance roller to the exit roller and is flush with the upper surface of the guide plate. The structure is such that the dried seaweed being transported can be sucked toward the guide plate by the negative pressure generated through each suction hole.
Roller-to-roller conveying system for seaweed. Each suction hole has a wide middle area and gradually narrows toward both ends to form a pointed shape.
The roller-to-roller conveying system for laver according to claim 1 or 2 . The guide plate linearly guides the passing dried seaweed from a tangent position between the driving roller and the driven roller at the entrance roller to a tangent position between the driving roller and the driven roller at the exit roller,
The suction of the dried seaweed by the suction unit is followed by the action of the dried seaweed being pinched linearly to the tangential position of the outlet roller.
The roller-to-roller conveying system for laver according to claim 1 or 2 . The distance between the entrance roller and the exit roller is less than the length of the dried seaweed, and the entrance roller is arranged to push out the rear end of the nipped seaweed at the timing when the exit roller nip the front end of the dried seaweed sucked by the suction part.
The roller-to-roller conveying system for laver according to claim 1 or 2 . A mode in which a plurality of the inlet rollers are arranged at intervals on the same line in the width direction of the conveying path,
The outlet rollers are arranged in the same number as the inlet rollers and are opposed to each other,
The suction sections are arranged in the same number as the outlet rollers and in front of the outlet rollers in the conveying path, and the number of suction holes formed in each suction section is two or three.
The roller-to-roller conveying system for laver according to claim 1 or 2 . The inspection device further includes a light source disposed above or below the area between the entrance roller and the exit roller, capable of irradiating the transported dried seaweed, and a camera disposed opposite the light source, capable of receiving the light irradiated from the light source through the transported dried seaweed, and a gap is formed in the guide plate to allow the light irradiated through the guide plate.
The roller-to-roller conveying system for laver according to claim 1 or 2.