JP5159563B2 - Nori winding method and nori winding mechanism of nori winding apparatus - Google Patents

Description

  The present invention relates to, for example, a seaweed winding method for a seaweed roll forming apparatus that automates the manufacture of sushi such as so-called warship rolls and obi rolls, by winding a seaweed sheet around a shaped cooked rice on which sushi ingredients such as sea urchin and crab are placed. It relates to a seaweed winding mechanism.

  Conventionally, as this type of laver winding mechanism, there is provided a technology that is a laver winding mechanism in a laver adsorption mechanism of a laver winding forming apparatus as shown in, for example, Patent Document 1 and Patent Document 2 that have been filed and published by the applicant of the present application. .

  That is, this laver winding mechanism presses and holds the front half in the conveying direction of the shaped cooked rice, and a pair of openable left and right front clampers that winds the laver sheet around the front half, and holds both ends of the laver sheet inward. And press and hold the latter half in the direction of conveyance of the shaped cooked rice, wind the seaweed sheet around the latter half, and push the bonded edges of both sides of the seaweed sheet into the shaped cooked rice and stick the protruding part inside the tip It consists of a pair of left and right rear clampers that can be opened and closed.

  However, as a laver winding mechanism, when it is composed of a front clamper and a rear clamper made of a pair of left and right which can be opened and closed in this way, there are many members and it has to be a complicated configuration. As shown in FIGS. 8A to 8D, the laver winding mechanism using only a pair of rear-side clampers 11a and 11b that are open and close and symmetrical is improved.

The pair of left and right clampers 11a and 11b, when the formed cooked rice R is first conveyed by the intermittent conveying conveyor belt and passes through the passage hole at the lower end of the laver sheet holding frame, is shown in FIGS. 8 (a) and 8 (b). As shown in Fig. 2, the rear side portion of the shaped cooked rice R comes into contact with the laver sheet Q, and the laver sheet Q is also conveyed rearward. Then, as shown in FIG. 8 (c), by closing the pair of left and right clampers 11a and 11b, the latter half of the shaped cooked rice R and the laver sheet Q are pressed and held, so that the laver sheet is surrounded by the shaped cooked rice R. Q is wound.
JP-A-10-304833 Japanese Patent Laid-Open No. 10-304834

  However, since the pair of left and right clampers 11a and 11b that can be opened and closed are symmetrical as in the prior art, when the laver sheet Q is wrapped around the shaped cooked rice R, as shown in FIG. In addition, the seaweed sheet Q projects outward by the thickness of the tip of the clamper 11a, and the gap between the cooked rice R located adjacent to the rear side is narrowed.

  Therefore, the interval between the formed cooked rice conveyed on the intermittent conveyer belt must be widened by an amount corresponding to the overhang of the laver sheet, and the entire laver roll forming apparatus must be enlarged. In addition, this has a problem that the finished shape of the sushi product wrapped in nori is poor in appearance, and the supply performance of the nori sheet is also inferior.

Therefore, the present invention has been devised in view of the existing circumstances as described above, and when the latter half of the shaped rice and the laver sheet are pressed and held by a pair of left and right clampers, Overhang can be kept to a minimum, and therefore, the entire seaweed roll forming device can be miniaturized by reducing the distance between the formed cooked rice being conveyed, and the appearance of the finished shape of sushi product nori wrapping is further improved. An object of the present invention is to provide a laver winding method and a laver winding mechanism of a laver roll forming apparatus that is improved and improves the supply performance of the laver sheet.

In order to solve the above-described problem, in the laver winding method of the laver roll forming apparatus according to the present invention, the laver sheet is supplied onto the intermittent conveying means in a vertical state one by one through the laver supply guide. Holding the formed cooked rice substantially perpendicular to the conveying direction, on the other hand, the formed cooked rice is conveyed by the intermittent conveying means, and the shaped cooked rice passes between a pair of clampers at the rear of the lower end of the laver supply guide. The rear side is in contact with the laver sheet, which also conveys the laver sheet to the rear, and the second half of the shaped cooked rice and the laver sheet are pressed and held,
One clamper of the pair of clampers is formed by a stop piece having a short lateral width and a thin lateral tip, and a tapered surface inclined inward is formed on the outer surface of the stop piece.
The other clamper of the pair of clampers is formed by a stop piece having a long width and gradually becoming thinner toward the tip, and a tapered surface inclined inward is formed on the inner surface of the stop piece. And
By closing the pair of clampers that are asymmetrical to the left and right, the front half of the shaped rice and both ends of the seaweed sheet are pressed and held while winding both ends of the seaweed sheet inward, and the short length of the clamper on the inside One end of the nori sheet is stopped at the tip of the stop piece, and the other end of the nori sheet is stopped at the end of the long stop piece of the clamper covering from the outside .

On the other hand, in the laver wrapping mechanism of the laver roll forming apparatus according to the present invention, the intermittently transporting means for transporting the formed cooked rice in a fixed direction, and the belt-like laver sheets can be held vertically one by one on the intermittently transporting means. Nori seaweed supply guide, and a nori roll forming apparatus provided with a laver winding mechanism that is disposed in the rear part of the nori supply guide and wound around the shaped cooked rice that is intermittently conveyed by the intermittent conveyance means ,
The laver wrapping mechanism consists of a pair of left and right clampers that are closed together so that the latter half of the shaped cooked rice and the laver sheet are pressed and held,
One clamper is formed by a stop piece having a short width and a thin side end to stop one end of the seaweed sheet, and an outer surface of the stop piece has a taper inclined inward. A surface is formed,
The other clamper is formed by a stop piece having a long width and gradually becoming thinner toward the tip in order to stop the other end portion of the seaweed sheet. An inclined tapered surface is formed,
As a result, both the clampers become asymmetrical, and both the tapered surfaces are arranged along a straight line at the closed position of the pair of clampers.

According to the present invention, when the latter half of the shaped cooked rice and the laver sheet are pressed and held by the pair of left and right clampers, it is possible to minimize the overhang of the laver sheet, and therefore, between the shaped cooked rice being conveyed The gap between each other can be reduced to reduce the size of the entire laver roll forming apparatus, and the appearance of the finished shape of the seaweed wrapping of the sushi product can be improved and the supply performance of the laver sheet can also be improved.

That is, in the laver winding method of the laver roll forming apparatus according to the present invention, the laver sheet is supplied to the intermittent conveying means in a vertical state one by one through the laver supply guide, and the laver sheet is conveyed in the conveying direction of the shaped cooked rice. On the other hand, the formed cooked rice is conveyed by the intermittent conveying means, and the shaped cooked rice passes between a pair of clampers located behind the lower end of the laver supply guide so that the rear side of the formed cooked rice is a laver sheet. The seaweed sheet is also conveyed backward, and the latter half of the shaped cooked rice and the seaweed sheet are pressed and held,
One clamper of the pair of clampers is formed by a stop piece having a short lateral width and a thin lateral tip, and a tapered surface inclined inward is formed on the outer surface of the stop piece.
The other clamper of the pair of clampers is formed by a stop piece having a long width and gradually becoming thinner toward the tip, and a tapered surface inclined inward is formed on the inner surface of the stop piece. And
By closing the pair of clampers that are asymmetrical to the left and right, the front half of the shaped rice and both ends of the seaweed sheet are pressed and held while winding both ends of the seaweed sheet inward, and the short length of the clamper on the inside Stop one end of the seaweed sheet at the tip of the stopper piece and stop the other end of the seaweed sheet at the tip of the long stopper piece of the clamper that covers from the outside, so the first half of the cooked rice with a pair of left and right clampers When the nori sheet is pressed and held, the overhang of the nori sheet can be minimized.

On the other hand, in the laver wrapping mechanism of the laver roll forming apparatus according to the present invention, the intermittently transporting means for transporting the formed cooked rice in a fixed direction, and the belt-like laver sheets can be held vertically one by one on the intermittently transporting means. Nori seaweed supply guide, and a nori roll forming apparatus provided with a laver winding mechanism that is disposed in the rear part of the nori supply guide and wound around the shaped cooked rice that is intermittently conveyed by the intermittent conveyance means ,
The laver wrapping mechanism consists of a pair of left and right clampers that are closed together so that the latter half of the shaped cooked rice and the laver sheet are pressed and held,
One clamper is formed by a stop piece having a short width and a thin side end to stop one end of the seaweed sheet, and an outer surface of the stop piece has a taper inclined inward. A surface is formed,
The other clamper is formed by a stop piece having a long width and gradually becoming thinner toward the tip in order to stop the other end portion of the seaweed sheet. An inclined tapered surface is formed,
As a result, both clampers become asymmetrical, and the tapered surfaces are arranged along a straight line at the closed positions of the pair of clampers. When the front half of the cooked rice and the laver sheet are pressed and held, the overhang of the laver sheet can be minimized, thereby making it possible to reduce the gap between the cooked rice adjacent to the rear side.

A tapered surface inclined inward is formed on the outer surface of the stopper piece of the inner clamper, and a tapered surface inclined inward is formed on the inner surface of the stopper piece covering from the outer side. both tapered surfaces are in mutual closed position of the pair of clampers, so composed so as to be arranged along a straight line with each other, the laver sheets half before forming the cooked rice by the left and right clamper is closed together When pressing and holding, it is possible to prevent the laver sheet from being broken at the front ends of both clampers.

The best mode for carrying out the present invention will be described below with reference to the drawings.
The laver roll forming apparatus P according to the present invention is an automated apparatus for manufacturing sushi such as so-called warship rolls and obi rolls. A forming unit 1 having an R supply hopper H, and a turntable serving as an intermittent conveying means that conveys the formed cooked rice R in a certain direction, provided so that a substantially semicircle portion projects forward from the lower front surface of the forming unit 1. 2, a laver adsorbing mechanism 3 provided on the front side of the molding part 1 and above the projecting surface of the turntable 2, and a nori-shaped laver sheet Q disposed on the turntable 2 from the nori adsorbing mechanism 3. Are placed in a vertical state one by one and at a substantially right angle to the turntable 2, and around the cooked cooked rice R that is disposed behind the nori supply guide 4 and conveyed by the turntable 2. The sea where the seaweed sheet Q is wound in a strip shape It is generally composed of a winding mechanism 5.

  In addition, on the upper surface of the turntable 2, there are twelve molded moldings so that a total of twelve shaped cooked rice R can be placed in the circumferential direction, for example, every 30 ° intervals with the longitudinal direction thereof facing radially. A mold is formed. In the present invention, the intermittent conveyance means uses a conveyance system using the turntable 2 that rotates intermittently. However, the present invention is not limited to this, and a conveyance system using a conveyor belt that moves intermittently in a straight line may be used.

  The seaweed adsorption mechanism 3 includes a movable gantry 9. On the movable gantry 9, a laver hopper provided with a laver transport mechanism S on the lower side and a laver sheet Q that has been cut in advance from the laver hopper to a required size are provided. An adsorbent pad 7 that is picked up and taken out one by one, and a vertical nori for supplying the laver sheet Q taken out by the adsorbing pad 7 so as to drop onto the turntable 2 on the supply side of the shaped cooked rice R And a supply guide 4. That is, the laver supply guide 4 is disposed between the laver adsorption mechanism 3 and the turntable 2 in the vertical direction.

  As shown in FIG. 1, the laver transport mechanism S includes a pair of bearing frames that are opposed to each other on the upper surface of the movable base 9, and both ends of a long transport screw 10 are pivoted. 10 is covered with a laver hopper, and a screw groove formed in the lower part of the pressing plate is engaged with the conveying screw 10 via the laver hopper.

  As shown in FIGS. 2 and 3, the laver wrapping mechanism 5 includes a clamper 11 a, 11 b on each rotary shaft 12 a, 12 b so that the pair of left and right clampers 11 a, 11 b can be opened and closed at the top of the turntable 2. A substantially rectangular thick plate-like base portion 20 disposed horizontally at the upper end is fixedly disposed, and is configured to be opened and closed by a drive mechanism 13. And the lateral side tip part of the clamper 11a which becomes the inner side is a short stopper piece 21a having a lateral width for stopping one end portion of the laver sheet Q when it is wound around the formed cooked rice R, and the clamper 11b covered from the outside. The lateral tip portion of this is a laterally long stop piece 21b for stopping the other end portion of the seaweed sheet Q when it is wound around the formed cooked rice R, so that both the clampers 11a and 11b are asymmetrical. It has a configuration.

  That is, as shown in FIG. 3, the rotary shafts 12a and 12b are supported by the top plate 18 by rotating and fixing the upper end portions of the rotary shafts 12 through the through holes provided in the top plate 18 with the bearings 14 interposed therebetween. The output shaft on the drive mechanism 13 side disposed on the top plate 18 is connected to be rocked in the forward and reverse directions at a predetermined angle.

  As shown in FIGS. 2, 3, 6 (a), and 6 (b), the base 20 on each upper end side of the pair of left and right clampers 11 a and 11 b has a rotation shaft suspended from the upper drive mechanism 13. Horizontal slide formed by a U-shaped flat cross-section and a reverse T-shaped concave groove that allows a disc-shaped insertion end 19 provided on the lower tip side of 12a and 12b to be inserted and removed from the side. A rotating shaft mounting portion 15 that can be inserted is provided. In addition, a small arc-shaped stopper projection 15a is formed at the center of the lower surface of the insertion end 19 of the rotary shafts 12a, 12b. When the insertion end 19 is inserted into the rotary shaft mounting portion 15, The rotary shaft mounting portion 15 is fitted and fixed to an arcuate concave portion 15b that is recessed in the bottom surface.

  The pair of left and right clampers 11a and 11b are formed of a synthetic resin plate or the like rich in elasticity, and in a state where the seaweed is wrapped in a closed state, a shape corresponding to the shape of the enclosure of the formed cooked rice R as a whole. It is formed to constitute. The pair of left and right clampers 11a and 11b are curved and formed in a shape corresponding to the outer shapes of the left and right sides so as to hold the left half and the right half of the front half of the formed cooked rice R from the surroundings.

  Specifically, as shown in FIGS. 4A to 4D, of the pair of left and right clampers 11a and 11b, one of the inner clampers 11a has a short width and a thin lateral tip. A tapered surface 16 that is inclined inward is formed on the outer surface of the stopper piece 21a.

  On the other hand, as shown in FIGS. 5 (a) to 5 (d), the other clamper 11b covered from the outside is formed by a stop piece 21b having a long lateral width and gradually becoming thinner toward the tip. A tapered surface 17 inclined inward is formed on the inner surface of the stopper piece 21b.

  In this way, the pair of left and right clampers 11a and 11b are formed to be asymmetrical on the left and right sides, and the tapered surfaces 16 and 17 are linear with each other at the closed position of the pair of left and right clampers 11a and 11b. Oriented along.

  Next, an example of use and operation of the best mode configured as described above will be described.

  First, as shown in FIG. 7 (a), the laver conveying mechanism S and the laver adsorption mechanism 3 supply the strip-like laver sheets Q one by one through the laver supply guide 4, and the rotation direction of the turntable 2 is as follows. It is held at a substantially right angle.

  As shown in FIG. 7 (b), the shaped cooked rice R is conveyed by the turntable 2 serving as an intermittent conveying means and passes between a pair of left and right clampers 11a, 11b located behind the lower end of the laver supply guide 4. The rear side portion of the R comes into contact with the laver sheet Q, the laver sheet Q is also conveyed rearward, and the latter half of the formed cooked rice R and the laver sheet Q are pressed and held by passing between the clampers 11a and 11b.

  Next, as shown in FIG. 7 (c), both the clampers 11a and 11b are closed, and the both ends of the seaweed sheet Q are wound inward and the front half of the shaped cooked rice R and both ends of the seaweed sheet Q are pressed and held. To do. As a result, the seaweed sheet Q is wrapped around the shaped cooked rice R to form a rolled sushi product.

At this time, one end of the laver sheet Q is stopped at the tip of the short stopper piece 21a of one clamper 11a that is on the inside, and the other of the laver sheet Q is stopped at the tip of the long stopper piece 21b of the clamper 11b that covers from the outside. The end is stopped. Thus, a pair of left and right clampers 11a, when the halves and nori sheet Q before molding rice R is squeezed embraced by 11b, overhanging amount of laver sheet Q is assumed to be minimized.

  As shown in FIG. 7 (d), the rolled sushi molded product is transported to the rear of both clampers 11a and 11b by the turntable 2, and the overhanging portion of the laver sheet Q is attached and fixed by a presser or the like (not shown). The sushi material will be put on and finished product (eg Gunkanmaki).

  At the time of cleaning after use, both clampers 11a and 11b are connected to the rotary shaft 12a by removing the insertion end portion 19 on the lower tip side of the rotary shafts 12a and 12b from the rotary shaft mounting portion 15 at the base portion 20 of both clampers 11a and 11b. They are removed from 12b and may be washed.

  In addition, this invention is not limited to the said embodiment, The improvement deformation | transformation etc. in the range which can achieve the objective of this invention are included by this invention.

It is a top view which shows schematic structure of the laver winding forming apparatus in the best form for implementing this invention. It is a perspective view which shows the example of attachment of a pair of left and right clampers of the seaweed winding mechanism. It is the partially cutaway side view of the clamper similarly attached to the drive mechanism. Similarly, an example of one clamper is shown, (a) is a plan view, (b) is a front view, (c) is a right side view, and (d) is a bottom view. Similarly, an example of the other clamper is shown, (a) is a plan view, (b) is a front view, (c) is a right side view, and (d) is a bottom view. Similarly, (a) is a longitudinal sectional view of one clamper, and (b) is a longitudinal sectional view of the other clamper. Similarly, explaining the operation of the pair of left and right clampers of the laver winding mechanism, (a) is a plan view of the state where the cooked cooked rice is transported to the clamper side together with the laver sheet, and (b) is the rear side of the cooked cooked rice. (C) is a plan view of a state in which the first half of the shaped cooked rice is held with a nori sheet, (d) is a plan view of the sushi after the seaweed roll is conveyed from the clamper position. FIG. It demonstrates the operation | movement of a pair of left-right symmetrical clamper of the laver winding mechanism in a prior art example, (a) is a top view of the state which is carrying the molded rice to the clamper side with a nori sheet, (b) is a state of molded rice A plan view of the state in which the front side is pressed with a laver sheet, (c) is a plan view of the second half of the shaped cooked rice held with a laver sheet, and (d) is a shape after laver roll molding conveyed from the clamper position. It is a top view of sushi.

P Nori roll forming device Q Nori sheet R Molded rice S Nori transport mechanism H Supply hopper 1 Molding part 2 Turntable 3 Nori adsorption mechanism 4 Nori supply guide 5 Nori winding mechanism 6 Opening 7 Adsorption pad 9 Movable base 10 Conveying screw 11a, 11b Clamper 12a, 12b Rotating shaft 13 Drive mechanism 14 Bearing 15 Rotating shaft mounting portion 15a Stopper projection 15b Arc-shaped recess 16, 17 Tapered surface 18 Top plate 19 Insertion end 20 Base 21a Stopper 21b of clamper 11a Stopper of clamper 11b

Claims (2)

On the intermittent conveying means, the nori sheet is supplied to the vertical state one by one through the nori supply guide, and the nori sheet is held substantially perpendicular to the conveying direction of the formed rice, while the formed cooked rice is conveyed by the intermittent conveying means, The shaped cooked rice passes between a pair of clampers located behind the lower end of the laver supply guide, so that the rear side of the shaped cooked rice comes into contact with the laver sheet, whereby the laver sheet is also conveyed rearward, and the latter half of the shaped cooked rice As part and seaweed sheet are pressed and held,
One clamper of the pair of clampers is formed by a stop piece having a short lateral width and a thin lateral tip, and a tapered surface inclined inward is formed on the outer surface of the stop piece.
The other clamper of the pair of clampers is formed by a stop piece having a long width and gradually becoming thinner toward the tip, and a tapered surface inclined inward is formed on the inner surface of the stop piece. And
By closing the pair of clampers that are asymmetrical to the left and right, the front half of the shaped rice and both ends of the seaweed sheet are pressed and held while winding both ends of the seaweed sheet inward, and the short length of the clamper on the inside The nori winding method of the nori roll forming apparatus is characterized in that one end of the nori sheet is stopped at the end of the stop piece, and the other end of the nori sheet is stopped at the end of the long stop piece of the clamper covering from the outside. . An intermittent conveying means for conveying the formed cooked rice in a certain direction, a laver supply guide that can hold the belt-like laver sheet one by one on the intermittent conveying means, and a rear part of the nori supply guide A laver winding forming apparatus comprising a laver winding mechanism that winds a laver sheet around a shaped cooked rice intermittently conveyed by a conveying means ,
The laver wrapping mechanism consists of a pair of left and right clampers that are closed together so that the latter half of the shaped cooked rice and the laver sheet are pressed and held,
One clamper is formed by a stop piece having a short width and a thin side end to stop one end of the seaweed sheet, and an outer surface of the stop piece has a taper inclined inward. A surface is formed,
The other clamper is formed by a stop piece having a long width and gradually becoming thinner toward the tip in order to stop the other end portion of the seaweed sheet. An inclined tapered surface is formed,
As a result, both clampers become asymmetrical, and both tapered surfaces are arranged along a straight line at the closed positions of the pair of clampers. .

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