JP3167218B2 - Pre-molding mechanism of cooked rice in hand-rolled sushi making equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a method for supplying a fixed amount of cooked rice to a nori sheet on a nori wrapping plate, placing the ingredients on the nori sheet, and using the nori wrapping plate in a molding mechanism. The present invention relates to a rice rice pre-forming mechanism in a hand-rolled sushi manufacturing apparatus for manufacturing a hand-rolled sushi having a substantially gentle conical shape.

[0002]

2. Description of the Related Art In recent years, in order to respond to the large demand for hand-rolled sushi, which has become widespread in recent years, an automated sushi manufacturing apparatus has been proposed by the present applicant.

This hand-rolled sushi manufacturing apparatus comprises a cooked rice compression transfer mechanism, a forming mechanism, a push-up mechanism, and a drive source for these, and the supplied cooked rice is compressed into a plate by the cooked rice compression transfer mechanism. And cut it into a fixed length (length), transfer it, and put the seaweed on the seaweed seaweed wrapping plate in the forming mechanism.
The rice cooked rice laver wrapping plate is closed by pushing up and rotating the left and right cooked rice laver wrapping plates toward the upper part of the cooked rice laver wrapping plate in the center by this pushing-up mechanism. By pressing and bending both left and right portions upward and inward, the ingredients are rolled up and formed, and at the same time, wrapped with a laver sheet to produce a hand-winding sushi with a substantially conical shape.

[0004]

However, when a fixed amount of cooked rice supplied on the cooked rice laver wrapping plate of the forming mechanism is flat, the ingredients are accurately positioned at a predetermined position on the upper surface, that is, at the center. It is difficult to put on rice, and even if it can be placed accurately, the ingredients easily move when closing the left and right rice laver wrapping plates and wrapping with rice molding and laver sheet as described above. And it is not caught in the center, it is unevenly distributed on the side and the appearance looks bad, or in the worst case,
Ingredients protrude from the cooked rice, so that wrapping with a laver sheet results in incomplete defective products.

[0005] The present invention has been made in view of the above circumstances, and a recess is preformed at a predetermined position on the upper surface of a plate-shaped cooked rice,
By supplying this to the molding mechanism, not only can the ingredients be accurately placed at a predetermined position on the top surface of the cooked rice, but the rice can be easily formed into a predetermined shape without uneven distribution of the ingredients. It is another object of the present invention to provide a rice rice pre-forming mechanism in a hand-rolled sushi manufacturing apparatus capable of manufacturing a hand-rolled sushi with good appearance and high commercial value.

[0006]

In order to achieve the above-mentioned object, a pre-formation mechanism for cooked rice in a hand-rolled sushi manufacturing apparatus according to the present invention comprises compressing and transferring supplied rice by a cooked rice compression transfer mechanism. This is dispensed in a fixed amount onto the laver sheet on the rice laver wrapping plate in the forming mechanism, and this constant amount of rice is formed into a substantially gentle conical shape with the rice laver wrapping plate, and the ingredients are rolled. In a hand-rolled sushi manufacturing apparatus provided to perform the above, the rice cooked by the rice rice compression transfer mechanism and formed into a plate shape, or the plate rice, or the plate rice is cut into a certain amount, the certain amount A rice forming member that presses the upper surface of the cooked rice to form a concave groove in a predetermined direction is disposed at an upper portion of the cooked rice while being transferred so as to be movable up and down by a lifting shaft.

[0007]

[Action] The cooked rice in the cooked rice hopper in the cooked rice supply mechanism is
It is scraped off by a stirring bar and transported between a pair of left and right forming rollers. Cooked rice is a pair of molded rice
It is compression molded into a plate of appropriate thickness by a stirrer and fed onto a horizontal intermittent unloading conveyor.

The plate-shaped cooked rice is compressed into a plate having a certain thickness by being compressed by the above-mentioned intermittent carry-out conveyor and a forming roller disposed thereon, and is intermittently fed by the intermittent carry-out conveyor. When the feeding of the plate-shaped rice rice stops temporarily,
The elevating shaft is lowered, and the cooked rice molding member fixed thereto is pushed into the upper surface of the plate-like cooked rice by a predetermined depth, and then the boiled rice molding member is lifted by raising the elevating shaft. Thereby, a concave groove is formed on the upper surface of the plate-shaped cooked rice in a predetermined direction and at a constant depth.

The plate-shaped cooked rice having a concave groove formed on the upper surface is conveyed by an intermittent carry-out conveyor, cut into a fixed amount (length) by a cutting blade, and the fixed amount of cooked rice is transferred by a supply conveyer and downstream therefrom. It is transferred onto the laver sheet on the wrapped rice laver sheet which has fallen from the end and the molding mechanism has been opened. Therefore, if the ingredients are placed in the concave grooves, the ingredients can be placed at a predetermined position (central portion) on the upper surface of the cooked rice, in a predetermined direction, and in a united state without being separated. it can.

After the ingredients are placed on the top surface of the cooked rice, when the driving source of the push-up mechanism is started by operating a switch, the push-up rods of the push-up mechanism are raised, and the left and right cooked rice laver wrapping plates are pushed up to the upper inside. The rice rice laver wrapping plate in the center is opposed and closed at the upper part, whereby the left and right sides of the rice are pressed inwardly by the left and right rice laver wrapping plates, and furthermore, The central portion is pressed onto the rice cooked laver wrapping plate, but the central portion is thinned by forming a concave groove in the central portion of the cooked rice upper surface. In addition to being easily formed, the ingredients can be wrapped around the center. Therefore, it is possible to manufacture a hand-rolled sushi having a good shape and a wrapped state by the nori sheet.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a vertical sectional side view of the whole hand-rolled sushi manufacturing apparatus equipped with a preforming mechanism, FIG. 2 shows an enlarged side view of the same forming mechanism, and FIG. The top view of the state which shape | molds the cooked rice upper surface is shown.

As shown in FIG. 1, the hand-rolled sushi manufacturing apparatus includes a cooked rice feeding mechanism A, a cooked rice compression mechanism B, a plate-shaped cooked rice cutting mechanism C, a forming mechanism D, and a push-up mechanism E thereof. And these drive sources F and G are arranged in the apparatus main body H.

As shown in FIG. 1, the cooked rice supply mechanism A scrapes the cooked rice 2 in the cooked rice hopper 1 by stirring bars 3, 4 and supplies the cooked rice 2 onto the supply conveyor 5,
The rice rice 2 conveyed by the supply conveyor 5 is stirred by a stirring bar 6
And scrape it down like a pair.
The rice cooker 2 is supplied between the rollers 7 and 8, and the rice cooker 2 is compressed by the forming rollers 7 and 8 to be preformed into a plate having an appropriate thickness.

As shown in FIG. 1, the rice rice compression transfer mechanism B includes a conveyor belt 9a on a horizontal intermittent unloading conveyor 9 on which preformed rice supplied from the rice rice supply mechanism A is transferred. The cooked rice is compressed by a forming roller 10 which is axially supported and formed into a plate having a certain thickness, and is cut into a fixed amount (length) by a cutting mechanism C described later during the conveyance of the plate-shaped cooked rice 2a. The fixed amount of cooked rice 2b is supplied to the forming mechanism D by the supply conveyor 11.

As shown in FIGS. 1 and 2, the rice-cooking mechanism C includes a lifting table 13 to which the cutting blade 12 is detachably fixed.
A pair of front and rear guide rods 14 for supporting the lift 13 so as to be able to move up and down, and a distal end pivotally attached to an operating shaft 15 erected from a substantially central portion of the lift 13 to rotate the base end forward, And a swinging rod 17 fixed to a drive shaft 16 which can rotate in the reverse direction.

As shown in FIG. 1, the cutting mechanism C is disposed above the intermittent carry-out conveyor 9 and the supply conveyor 11, and is provided by the intermittent carry-out conveyor 9.
When the drive shaft 16 responds to the intermittent feed and rotates clockwise in FIG. 2, the swinging rod 17 swings downward.
The cutting blade 12 descends, and cuts the plate-shaped cooked rice 2a into a fixed amount (length). The above-mentioned cooked rice supply mechanism A, cooked rice compression transfer mechanism B, and cutting mechanism C are operated by a drive source F shown in FIG.

As shown in FIGS. 1, 5 and 6, the forming mechanism D has a plate-shaped lid 19 removably fitted and fixed to the opening at the upper end of the box-shaped housing 18. Body 1
9, a left and right cooked rice laver wrapping plate 21 and 22 are hinged to hinges 23 and 24 on left and right side edges of a cooked rice laver wrapping plate 20 at a central portion in an opening 19a of a substantially square plane opened at 9. It is arranged.

Each of the cooked rice laver wrappers 20 to 22 is shown in FIG.
, The base ends 20a, 21a, 22a are made narrower, and the base ends 20a, 22a to the front ends 20b, 21b,
In addition to gradually increasing the width as it reaches 22b, each upper surface is provided in a concave portion 20c, 21c, 22c having an arc-shaped cross section, and is formed in a substantially gutter shape.
It is formed so as to be freely openable into a flat plate of a substantially square plane and closeable in a substantially gentle conical cylindrical shape.

Further, as shown in FIG. 6, a tension spring 25 is stretched on spring hooks 23a and 24a projecting from the hinges 23 and 24. , 22 are opened and maintain this opened state.

Each of the cooked rice laver wrappers 20 to 22 is shown in FIG.
As shown in, the engagement piece 20d provided on the back surface of the base end 20a of the rice cooked rice laver wrapping plate 20 at the center portion is engaged with the locking piece 19b projecting from the lid 19 into the opening portion 19a, It is supported by the lid 19 without falling off.

As shown in FIGS. 1 and 6, the push-up mechanism E includes two push-up rods 27 and 28, the lower ends of which are fixed at a predetermined interval by a horizontal support bar 26, and a motor.
And a crankshaft 30 connecting the cam 29 and the support bar 26 to each other.
It is composed of

According to the push-up mechanism E, the push-up rods 27 and 28 are moved up and down via the crankshaft 30 and the support bar 26 by the rotation of the cam 29, and the push-up rods 27 and 28 are moved up and down.
28, the left and right cooked rice laver wrapping plate 2
7 are pushed upward and rotated against the spring force, and are opposed to each other at the upper portion of the rice cooked laver wrapping plate 20 at the center as shown by the two-dot chain line in FIG. As shown in FIG. 3, the left and right portions 2c and 2d of a fixed amount of cooked rice 2b placed on the nori sheet 31 on each of the cooked rice laver wrapping plates 20 to 22 are bent upward, and the cooked rice laver in the center portion is bent. By pressing on the wrapping plate 20, the cooked rice 2b is formed into a substantially gentle conical shape as shown in FIG.

In the hand-rolled sushi making apparatus constructed as described above, the rice preforming mechanism I of the present invention is used.
Is configured as follows.

As shown in FIGS. 1 and 2, the lifting shaft 32
The rice rice molding member 33 is fixed substantially horizontally to the lower end of the plate. In the present embodiment, the member for forming cooked rice 33 is
As clearly shown in FIG. 3, the base end 33a is narrowed,
As shown in FIG. 1, the shaping roller 1 is formed in a substantially gutter shape gradually widening from 3a to the tip 33b.
0 and the cutting mechanism C, the intermittent unloading conveyor 9
It is arranged to be able to move up and down freely at the top of
As the member 33 for forming rice cooked is lowered by the elevating shaft 32, the bottom having a substantially arc-shaped cross section compresses the upper surface of the plate-shaped rice 2a downward, and the upper surface of the plate-shaped rice 2a is shown in FIG. Thus, the concave groove 34 having a substantially arc-shaped cross section is formed.

In this embodiment, as shown in FIGS. 1 and 2, the elevating shaft 32 is fixed to an elevating bar 35 extending horizontally from the elevating table 13 of the cutting mechanism C, and is vertically suspended. Although it is provided so as to interlock with the cutting mechanism C and to form the concave groove 34 on the upper surface of the plate-shaped cooked rice 2a, the lifting shaft 32 is also provided so as to be independently raised and lowered. It is also possible.

The cooked rice preforming mechanism I is disposed above the supply conveyor 11 and has the cutting blade 12.
A concave groove 34 is formed on the upper surface of a fixed amount of cooked rice 2b
It is also possible to constitute so that it may shape.

In any of the above cases, the concave groove 34
In order to make it easier to place the ingredients 35 in a predetermined direction at a predetermined position on the upper surface of a certain amount of cooked rice 2b as shown in FIG. 4, the above-described forming mechanism D turns the cooked rice 2b into a predetermined shape, that is, a substantially gentle cone shape. Since it is molded so as to be easily molded, the cooked rice molding member 33 is fixed to the elevating shaft 32 in a direction coinciding with the length direction of the cooked rice laver wrapping plate 20 at the central portion. The concave groove 34 is formed on the upper surface of a fixed amount of cooked rice 2b, and is formed to be long from one end to the other end as shown in FIG.

Further, the rice cooked member 33 may be a cylindrical body or a columnar body having a circular cross section or an arbitrary polygon other than the illustrated example.

According to the rice rice pre-forming mechanism I having the above-described configuration, the plate-shaped rice rice 2a compressed in the plate shape by the rice rice compression and transfer mechanism B is compressed by the rice rice forming member 33 during the transfer. A concave groove 34 is formed at a predetermined position and direction on the upper surface.

The plate-shaped cooked rice 2a is cut into a fixed amount (length) by a cutting blade 12, and the fixed amount of cooked rice 2b is transported by a supply conveyor 11, dropped from the downstream end thereof, and wrapped in cooked rice laver in a forming mechanism D. Nori seaweed on boards 20-22
Are supplied as shown in FIG.

After the components 35 are placed in the concave grooves 34 on the upper surface of the fixed amount of cooked rice 2b as shown in FIG.
The push-up rods 27 and 28 rise by the rotation of, and push up and rotate the left and right cooked rice laver wrapping plates 21 and 22 upward, and FIG.
Close as shown in. As a result, a certain amount of cooked rice 2b is compressed such that the left and right side portions 2c and 2d are pressed upward and inward, but is concave at a predetermined position (central portion) on the upper surface of the cooked rice 2b. Since the groove 34 is formed in advance and the ingredient 35 is housed therein, the ingredient 35 does not hinder the pressing and bending of the cooked rice 2b, and the formation of the concave groove 34 allows the center of the cooked rice 2b to be formed. Since the plate thickness is thin, the left and right sides 2c and 2d of the cooked rice 2b are uniformly pressed and bent inward.

Therefore, the cooked rice 2b has the ingredients 3 at its center.
5 is rolled into a gathered state and formed into a predetermined shape, and at the same time, the seaweed sheet 31 is well wrapped.

In the illustrated hand-rolled sushi making apparatus, as shown in FIGS. 8 and 9, after the rice is formed and wrapped by laver sheet, the left and right rice laver wrapping plates 21 are pushed by the push-up mechanism E. , 22 are lifted to open the plates 21 and 22 and taken out of the rice cooked laver wrapping plate 20 at the central portion, and the remaining end of the laver sheet 31 is manually wrapped around the outer periphery of the wrapped portion. After that, as shown in FIG.
A hand-winding sushi 37 having a substantially conical shape as shown is manufactured.

In FIG. 1, reference numeral 38 denotes each of the driving sources F and G.
1 shows a control panel provided with ON / OFF selector switches and the like. In FIGS. 1 and 5 and FIGS.
Indicates a laver sheet holding bar.

It should be noted that the laver sheet 31 is the same as the one shown in FIG.
As shown in the figure, the seaweed 31 is contained in the packaging film 31a.
b, the cooked rice 2b is wrapped with the sheet 31, and the wrapping film 31a is opened at the time of eating, and the laver 31b can be wound around the cooked rice 2b.

[0036]

According to the present invention, as described above, the ingredients can be accurately positioned at predetermined positions on the upper surface of the cooked rice by the concave grooves formed on the upper surface of the fixed amount of cooked rice supplied to the forming mechanism. In addition, it can be placed in a united state without being strewn, and when the left and right sides of rice are pressed and bent toward the upper inside by the forming mechanism, the ingredients are housed in the concave grooves The central portion of the cooked rice is thinly formed by the concave groove, so that the left and right sides can be pressed and bent evenly without one side being offset. Can be formed into a good shape by gathering and winding them in the center, and since the ingredients are not unevenly distributed, the wrapping with the laver sheet can be performed well, and therefore the shape and the laver sheet can be obtained. Well winding wrapped state by the door, to ensure a high good product value-looking manual winding-style sushi, yet can be manufactured at low cost.

Further, since the ingredients can be prevented from sticking out of the cooked rice and the occurrence of defective products having poor shape, the yield can be improved and the profit of the manufacturer can be improved.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional side view showing an embodiment of a rice rice pre-forming mechanism in a hand-rolled sushi manufacturing apparatus according to the present invention.

FIG. 2 is a side view showing an example of the preforming mechanism according to the first embodiment.

FIG. 3 is a plan view showing a cooked rice forming member of the pre-forming mechanism and a fixed amount of cooked rice;

FIG. 4 is a cross-sectional view of a fixed amount of cooked rice in which a concave groove is formed by the preforming mechanism.

FIG. 5 is a plan view showing a forming mechanism in the hand-rolled sushi manufacturing apparatus.

FIG. 6 is a sectional view of a molding mechanism in the manufacturing apparatus, and a side view of a push-up mechanism in the molding mechanism.

FIG. 7 is a plan view showing a state in which a fixed amount of cooked rice is placed on the laver sheet on the forming mechanism, and ingredients are placed in concave grooves on the upper surface thereof.

FIG. 8 is a plan view showing a state in which the seaweed sheet is wrapped at the same time as the rice is formed by the forming mechanism.

9 is a sectional view taken along line AA 'in FIG.

FIG. 10 is a perspective view of hand-rolled sushi.

[Explanation of symbols]

 2 boiled rice 2a plate-shaped boiled rice 2b a certain amount of boiled rice 20, 21, 22 boiled rice laver wrapping board 31 laver sheet 32 elevating shaft 33 cooked rice molding member 34 concave groove 35 ingredients B cooked rice compression transfer mechanism D molding mechanism I Preparation of cooked rice Forming mechanism

Claims (1)

(57) [Claims] 1. The supplied cooked rice is compressed and transferred by a cooked rice compressing and transferring mechanism, and the cooked rice is dispensed in a predetermined amount on a laver sheet on a cooked rice laver wrapping plate in a forming mechanism. In a hand-rolled sushi manufacturing apparatus provided in a substantially conical shape by a cooked rice laver wrapping plate, and provided so as to wrap the ingredients, the rice cooked sushi is compressed by the cooked rice rice transfer mechanism, and formed into a plate shape. Plate-shaped cooked rice or a cooked rice member formed by cutting the plate-shaped cooked rice into a predetermined amount and pressing the upper surface of the fixed amount of cooked rice to form a concave groove in a predetermined direction. A rice rice preforming mechanism in a hand-rolled sushi manufacturing apparatus, wherein the rice rice sushi making apparatus is arranged so as to be movable up and down.