JP7309220B2 - dried seaweed making machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to a dried seaweed manufacturing machine for manufacturing dried seaweed by dehydrating and drying seaweed dough that has been made into a seaweed screen that is circulated and conveyed.

In the dried seaweed manufacturing machine, a paper-making device for paper-making seaweed dough, a dewatering device for dewatering the paper-made seaweed dough, and a dehydrator are provided on the conveying path of the conveying device for circulating and conveying the seaweed screen. and a drying device for drying the dried seaweed dough are arranged in order.

Then, in the dried seaweed manufacturing machine, dried seaweed is manufactured by dehydrating and drying the seaweed dough that has been made into sheets in a seaweed screen that is circulated and conveyed.

Conventionally, in the production of dried seaweed, in order to produce a desired weight of dried seaweed, the weight of dried seaweed after drying the seaweed dough with a drying device is measured as a characteristic of the dried seaweed. The amount of nori dough to be made is controlled (for example, see Patent Document 1).

JP 2008-35795 A

However, in the above-mentioned conventional dried seaweed manufacturing machine, the weight of dried seaweed after being dried in the drying device is measured as a characteristic. There is a risk that a large amount of dried laver will be produced in the first step, and dried laver that does not have the desired properties (weight) will be produced in vain.

Therefore, in the present invention according to claim 1, a paper-making device for making laver dough and a dewatering device for paper-making laver dough are provided on the conveying path of the conveying device for intermittently circulating and conveying the nori screen. A dehydrator for dewatering and a drying device for drying the dehydrated seaweed dough are arranged in order, and the dried seaweed dough is dehydrated and dried in a circulating and transported seaweed screen to produce dried laver. In the laver manufacturing machine, a photographing device is provided between the dewatering device and the drying device on the conveying path to photograph the nori dough dehydrated in the dehydration device after being made into a nori screen, and the photographing is performed by the photographing device. An image processing device for processing the image of the seaweed dough is connected, and while the conveying device is stopped, a sponge is pressed against the seaweed dough that has been made into a seaweed screen to dehydrate the seaweed dough, and the conveying device intermittently When the conveyed laver screen stops, the dehydrated laver dough is photographed by a photographing device, and the characteristics of the laver dough after drying are calculated by an image processing device based on the image of the dehydrated laver dough.

Further, in the present invention according to claim 2, in the present invention according to claim 1, the image processing device determines the thickness and/or weight of the dried seaweed dough based on the average value of one sheet of seaweed dough. decided to calculate

Further, in the present invention according to claim 3, in the present invention according to claim 1, the image processing device calculates the unevenness of the dried seaweed dough based on the deviation of one seaweed dough. made it

Further, in the present invention according to claim 4, in the present invention according to any one of claims 1 to 3, the photographing device has a camera arranged above the seaweed screen to be transported. We decided to place a surface light source with a wider area than the seaweed fabric on the lower side of the seaweed screen.

Further, in the present invention according to claim 5, in the present invention according to any one of claims 1 to 4, the image processing device is configured to determine the lightness of the image of the seaweed dough and the characteristics of the seaweed dough after drying. was obtained in advance, and the characteristics of the photographed seaweed fabric after drying were calculated using the correlation.

And in this invention, there exists an effect described below.

That is, in the present invention, a paper-making device for paper-making laver dough, a dewatering device for dewatering the paper-made laver dough, and a dewatering device are provided on the conveying path of the conveying device for circulating and conveying the nori screen. A drying device for drying the dried laver dough is arranged in order, and the dried laver dough is dehydrated and dried in a nori screen that is circulated and conveyed to produce dried laver, on the conveying path. Between the dewatering device and the drying device, a photographing device for photographing the laver dough made into a laver screen is installed, and an image processing device for processing the image of the laver dough photographed by the photographing device is connected. , Since the characteristics of the dried seaweed dough are calculated by the image processing device, the characteristics of the dried seaweed (thickness, weight, unevenness, etc.) can be calculated before drying with the drying device, and the desired It is possible to prevent the useless production of dried seaweed that differs from the characteristics of .

In particular, when the camera is arranged above the conveyed nori screen, and the surface light source with a wider area than the nori dough is arranged below the conveyed nori screen, an image of the entire sheeted nori dough can be obtained. can be used to calculate the characteristics of the seaweed dough after drying, and the accuracy of characteristic calculation can be improved.

Also, if the correlation between the brightness of the image of the seaweed dough and the characteristics of the dried seaweed dough is determined in advance, and the correlation is used to calculate the characteristics of the photographed seaweed dough after drying, It is possible to calculate the characteristics of the dried laver dough according to the state of the dried laver dough, which also improves the accuracy of the characteristic calculation.

Planar explanatory drawing (a) which shows a dried seaweed manufacturing machine, same side explanatory drawing (b). Planar explanatory drawing which shows an imaging device. The same side explanatory view. Explanatory drawing which shows the correlation between the brightness and a characteristic (weight).

A specific configuration of the dried seaweed manufacturing machine according to the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 and 2, the dried seaweed manufacturing machine 1 has a conveying device 3 inside a casing 2 .

The conveying device 3 intermittently conveys a screen frame 5 to which a plurality of seaweed screens 4 (eight sheets in this case) are detachably arranged side by side. The front transport mechanism 7 and the endless rear transport mechanism 9 provided in the rear casing 8 are interlocked and driven.

This conveying device 3 conveys the screen frame 5 on which the seaweed screen 4 is mounted by the front conveying mechanism 7 in a horizontal state from the front to the rear on the upper side of the front conveying mechanism 7, and then moves the screen frame 5 to the front side. It is delivered from the upper rear end of the transport mechanism 7 to the upper front end of the rear transport mechanism 9, and after transporting from the front to the rear with the screen frame 5 vertical on the upper side of the rear transport mechanism 9, the rear side The screen frame 5 is transferred from the rear to the front on the lower side of the transport mechanism 9, and then transferred from the lower front end of the rear transport mechanism 9 to the lower rear end of the front transport mechanism 7, and then transferred to the lower part of the front transport mechanism 7. It is conveyed from the rear to the front with the screen frame 5 horizontal on the side. As a result, the transport device 3 moves from the top front to the top rear of the front transport mechanism 7 , from the top front to the top rear of the rear transport mechanism 9 , from the bottom rear to the bottom front of the rear transport mechanism 9 , and from the bottom of the front transport mechanism 7 . A conveying path is formed for circulating and conveying the seaweed screen 4 together with the screen frame 5 from the rear to the lower front.

In the dried seaweed manufacturing machine 1, a papermaking device 10, a dehydrating device 11, a drying device 12, a peeling device 13, and a laver screen cleaning device 14 are arranged in order along the conveying path of the seaweed screen 4 by the conveying device 3. Dried laver is produced by dehydrating and drying the laver dough made into a laver screen 4 circulated and conveyed by 3.

Moreover, in the dried seaweed manufacturing machine 1 according to the present invention, the seaweed screen 4 is made by the paper-making device 10 located downstream of the dewatering device 11 and upstream of the drying device 12 on the conveying path of the seaweed screen 4. A characteristic calculation device 15 is provided for calculating the characteristics after drying the dried seaweed dough by the drying device 12 from the image of the dried seaweed dough.

The conveying device 3, paper making device 10, dewatering device 11, drying device 12, peeling device 13, laver screen washing device 14, and characteristic calculating device 15 are interlocked and controlled by a control device.

Here, the paper making device 10 is arranged on the front side of the upper part of the front casing 6, and supplies a predetermined amount of raw laver raw material consisting of raw laver and water to the upper surface of each laver screen 4 while the conveying device 3 is stopped. Each seaweed screen 4 is made by paper-making seaweed dough into a predetermined shape. A raw material tank T for storing laver raw material is connected to the paper making apparatus 10 via a concentration adjuster C, and the concentration of the laver raw material stored in the raw material tank T is adjusted to a set concentration by the concentration adjuster C. and supplied to the papermaking apparatus 10. The density adjuster C can be manually adjusted by the operator, and can also be adjusted by the controller based on the characteristics calculated by the characteristic calculator 15 .

The dehydrator 11 is arranged on the upper rear side of the front side casing 6, and dehydrates the seaweed dough by pressing a sponge or the like against the seaweed dough produced in each laver screen 4 while the conveying device 3 is stopped. is.

The drying device 12 has a plurality of dryers (not shown) arranged in front and behind on the side of the rear casing 8, and paper is made into each laver screen 4 by the heat of the hot air generated by each dryer. It is used to dry the seaweed dough.

The stripping device 13 is arranged at the lower rear side of the front casing 6, and strips and collects the dried seaweed dried by the drying device 12 from each seaweed screen 4 while the conveying device 3 is stopped.

The seaweed screen washing device 14 is arranged on the lower front side of the front casing 6 and is for washing the upper and lower surfaces of each seaweed screen 4 .

The characteristic calculation device 15 is located between the dehydrator 11 and the drying device 12 on the conveying route of the seaweed screen 4 (downstream of the dehydrating device 11 and upstream of the drying device 12). A photographing device 16 is provided for photographing the papered seaweed dough.

As shown in FIGS. 2 and 3, the photographing device 16 arranges the camera 17 above the seaweed screen 4 transported by the transporting device 3 so as to face the seaweed screen 4 below, and the camera 17 is transported by the transporting device 3. A surface light source 18 that emits planar light is arranged to face the camera 17 below the dried seaweed screen 4.例文帳に追加An image processing device 19 (computer) is connected to the camera 17 . The surface light source 18 radiates planar light of a wider area than the seaweed dough (indicated by the dashed line in FIG. 2) to be made into the seaweed screen 4, and can illuminate the whole seaweed dough and the periphery of the seaweed dough. I'm trying

The photographing device 16 operates the camera 17 when the laver screen 4 intermittently conveyed by the conveying device 3 stops, and photographs the image of the laver dough produced in the laver screen 4, and the photographed data is obtained. is transferred from the camera 17 to the image processing device 19. The surface light source 18 may be lit all the time, or may be lit when the camera 17 takes a picture in synchronization with the conveying device 3 .

The image processing device 19 calculates (predicts) the characteristics of the photographed laver dough after being dried by the drying device 12 based on the image (photographed data) of the laver dough photographed by the camera 17 . The characteristics referred to here include weight, thickness, and unevenness of the paper (variation in the amount (thickness) of the laver dough made into the nori screen 4 by the paper making device 10), etc., and the color and gloss after drying. etc. are also included.

At that time, the correlation between the image of the seaweed dough and the characteristics after drying (thickness, weight, unevenness of paper, etc.) is obtained in advance, and the characteristics of the dried seaweed dough are calculated using that correlation. ing.

For example, as shown in FIG. 4, the correlation between the lightness of the image of the seaweed dough and the characteristics (here, weight) of the seaweed dough after drying is obtained, and the lightness of the image of the seaweed dough photographed by the camera 17 is used to determine the degree of drying. Calculate the later properties.

The brightness of the image of the seaweed dough may be the average brightness of the entire image of the seaweed dough photographed by the camera 17, the brightness of one point of the image of the seaweed dough, or the average brightness of a plurality of points of the image of the seaweed dough. Brightness is also acceptable. In addition, it is also possible to recognize a portion with extremely high brightness from the image of the seaweed dough as a hole generated in the seaweed dough, and perform correction to remove the brightness of the hole. In addition, brightness, saturation, and the like may be used instead of the brightness of the image of the seaweed dough.

In particular, the image processing device 19 uses the correlation or the like based on the average values of the brightness, brightness, saturation, etc. of the entire image of the seaweed dough photographed by the camera 17 to determine the quality of the seaweed dough after drying. Thickness and weight can be calculated. It is also possible to observe changes in thickness and weight over time by processing images of seaweed dough continuously made into paper.

In addition, the image processing device 19 uses the correlation or the like based on the deviation of the luminance, brightness, saturation, etc. of the image of the seaweed dough taken by the camera 17 to determine the texture unevenness of the seaweed dough after drying. can be calculated. It should be noted that by processing images of seaweed dough that has been continuously made into paper, it is also possible to observe changes in paper unevenness over time.

When processing the image of the seaweed dough, the surface light source 18 having a wider area than the seaweed dough is used to illuminate the periphery of the seaweed dough. , the image of only the seaweed texture can be easily extracted.

In addition, in the dried seaweed manufacturing machine 1, based on the characteristics calculated by the characteristic calculation device 15, when the desired allowable range is exceeded, an alarm is notified, and the amount of seaweed dough to be made by the paper making device 10 is adjusted. can be changed.

As described above, the dried seaweed manufacturing machine 1 is provided with the photographing device 16 for photographing the seaweed dough produced in the seaweed screen 4 between the dewatering device 11 and the drying device 12 on the conveying route. , an image processing device 19 for processing the image of the seaweed dough photographed by the photographing device 16 is connected, and the image processing device 19 calculates the characteristics of the seaweed dough after drying.

Therefore, in the dried seaweed manufacturing machine 1 having the above configuration, the characteristics of the dried seaweed can be calculated before drying in the drying device 12, and it is possible to prevent the wasteful production of dried seaweed that does not have the desired characteristics. can be done.

The dried seaweed manufacturing machine 1 has a camera 17 arranged above the seaweed screen 4 to be conveyed, and a surface light source 18 having a larger area than the seaweed dough is arranged below the seaweed screen 4 to be conveyed. It has become.

Therefore, in the dried seaweed manufacturing machine 1 configured as described above, the characteristics of the dried seaweed dough can be calculated using the image of the whole sheeted seaweed dough, and the accuracy of the characteristic calculation can be improved.

In addition, the dried seaweed manufacturing machine 1 obtains in advance the correlation between the brightness of the image of the seaweed dough and the characteristics of the seaweed dough after drying, and uses the correlation to calculate the characteristics of the photographed seaweed dough after drying. It is configured to

Therefore, in the dried seaweed manufacturing machine 1 configured as described above, the characteristics of the dried seaweed dough can be calculated according to the state of the seaweed dough to be made, and the accuracy of the characteristic calculation can be improved. .

REFERENCE SIGNS LIST 1 Dried seaweed manufacturing machine 2 Casing 3 Conveying device 4 Seaweed screen 5 Screen frame 6 Front side casing 7 Front side conveying mechanism 8 Rear side casing 9 Rear side conveying mechanism 10 Paper making device
11 Dehydrator 12 Dryer
13 Peeling device 14 Nori screen cleaning device
15 Characteristic calculator 16 Imaging device
17 Camera 18 Surface light source
19 Image processor

Claims (5)

A paper-making device for paper-making laver dough, a dehydrator for dehydrating the paper-made nori dough, and a dehydrated nori dough on the conveying path of the conveying device for intermittently circulating and conveying the nori screen. A drying device for drying is arranged in order, and the dried laver dough is dehydrated and dried in a circulating and conveyed laver screen to produce dried laver,
Between the dewatering device and the drying device on the conveying route, a photographing device is provided for photographing the seaweed dough dehydrated by the dehydrating device after being made into a nori screen, and the image of the seaweed dough photographed by the photographing device is provided. An image processing device for processing is connected, and while the conveying device is stopped, a sponge is pressed against the seaweed dough that has been made into a seaweed screen to dehydrate the seaweed dough, and the seaweed screen is intermittently conveyed by the conveying device. A dried seaweed manufacturing machine characterized in that when the machine stops, the dehydrated seaweed dough is photographed by a photographing device, and the characteristics of the dried seaweed dough are calculated by an image processing device based on the image of the dehydrated laver dough. . 2. The dried seaweed manufacturing machine according to claim 1, wherein the image processing device calculates the thickness and/or weight of the dried seaweed dough based on the average value of one sheet of seaweed dough. 2. The dried seaweed manufacturing machine according to claim 1, wherein the image processing device calculates unevenness of the dried seaweed dough based on the deviation of one sheet of seaweed dough. The photographing device is characterized in that a camera is arranged above the seaweed screen to be transported, and a surface light source having a wider area than the seaweed fabric is arranged below the seaweed screen to be transported. Item 4. The dried seaweed manufacturing machine according to any one of items 3. The image processing device is characterized in that the correlation between the brightness of the image of the seaweed dough and the characteristics of the seaweed dough after drying is obtained in advance, and the characteristics of the photographed seaweed dough after drying are calculated using the correlation. The dried seaweed manufacturing machine according to any one of claims 1 to 4.

Images