JP2984196B2 - Rice cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice-measuring and feeding apparatus for metering rice to a molding apparatus for various types of cooked rice products, such as sushi, laver rolls, thick rolls, thin rolls, and rice balls. The present invention relates to a cooked rice metering and feeding device for an automatic cooked rice forming apparatus for automatically metering and feeding various types of cooked rice to rolls and rice balls. Further, the present invention relates to a rice forming and feeding apparatus for forming cooked rice into various sizes destined for containers having different sizes in order to supply the containers to forming containers such as a plurality of different sizes of forming dies, and in particular, The present invention relates to an automatic cooked rice forming and feeding apparatus for simultaneously forming and shaping a cooked rice product having a size corresponding to a plurality of sizes to an automatic cooked rice forming machine for nigiri sushi, pickled rice, thick rolls, thin rolls, and other cooked rice compacts.

[0002]

2. Description of the Related Art Conventionally, for example, an automatic cooked rice forming apparatus for forming cooked rice into a cooked rice product such as nori rolls, rice balls and nigiri sushi is provided with a pair of endless belts at an outlet of a conveyor belt device for feeding rice. Alternatively, a cooked rice metering and feeding device in which a pair of rollers are disposed to face each other is used. For example, in the case of a cooked rice metering and feeding device having a pair of feed rollers in a plurality of stages, a plurality of feed rollers in a plurality of stages are respectively provided so as to gradually decrease the interval from above to below, and face downward in the vertical direction. The rice-feeding passage that gradually narrows is formed. Since the width of the feed path for cooked rice is gradually reduced in this way, the cooked rice is densely packed while being sent through the feed path, and the cooked rice is formed into a flow having a substantially constant cooked rice density.

[0003] Since the cooked rice stream in which the rice grains are densely packed has a substantially constant density, the supply of cooked rice is substantially completed during the process in which the cooked rice is continuously sent out from the lower opening through the feed passage. Quantify. Therefore, in this cooked rice supply device, the flow of cooked rice is cut to a predetermined length, for example, to a length corresponding to the amount of one handful, by driving a cutting machine, and a mold for shaping nigiri sushi or the like is formed. And is shaped and supplied as nigiri sushi.

[0004]

However, as described above,
The amount of cooked rice supplied by the conventional cooked rice metering device is
In order to manufacture a plurality of types of cooked rice products having different amounts because they are always constant, it is necessary to provide a rice-measuring and feeding device for each cooked rice product, which requires a place and is a problem.
Even if the amount of cooked rice supplied by the cooked rice metering device is increased or decreased according to the amount of cooked rice in the cooked rice product, it takes a lot of time to adjust the amount of cooked rice. An object of the present invention is to solve a problem associated with replenishment of a plurality of types of cooked rice having different cooked rice amounts in the cooked rice metering and feeding device.

[0005]

SUMMARY OF THE INVENTION The present invention provides a cooked rice metering / feeding apparatus capable of feeding cooked rice for a plurality of types of cooked rice products having different amounts without increasing the number of cooked rice metering / feeding apparatuses. It is an object.

According to the present invention, a rice transporting conveyor section and a feed rotating member are provided below the outlet of the rice transporting conveyor section so as to face each other. In a cooked rice metering / feeding device including a cooked rice filling / feeding section for forming a flow and an opening with a cutting machine located below the cooked rice filling / feeding section, a timer is provided to a driving device of a cooked rice feeding rotating member of the cooked rice filling / feeding section. A rotating shaft is provided on the conveyor belt in a width direction of the conveyor belt, and a plurality of rod-like members are provided at positions apart from the rotating shaft in a radial direction and opposed to each other. There is provided a cooked rice metering and feeding device characterized in that a support is provided upright, and a plate-like scraper is stretched across the width of the conveyor belt between the ends of the opposing rod-shaped supports.

[0007] In the present invention, the cooked rice metering and feeding device is for feeding the measured cooked rice to a plurality of containers such as a mold for forming cooked rice such as laver rolls and grips. Supply. Therefore, the metered cooked rice supply device of the present invention can be used, for example, as a mold supply device for rice in a curtain lunch box, and as a rice supply device for placing rice on a plurality of dishes, and further, It can be used as a rice metering and feeding device for laver rolls, nigiri sushi, rice balls, and box lunches for curtains. Further, the cooked rice metering and feeding device of the present invention can be used as a metered feeding device of cooked rice to the molds of a plurality of types of cooked rice molding machines such as a cooked rice gripping machine.

[0008] The cooked rice metering and feeding device of the present invention comprises a cooked rice transporting conveyor section, a cooked rice feeding and feeding section, and an opening with a cutting machine. In the present invention, the cooked rice conveying conveyor section includes a cooked rice supply device and is surrounded by a side wall, and a conveyor belt is provided on the side wall from the cooked rice supply port side to the cooked rice delivery port side. Above the conveyor belt on the outlet side, a scraper for scraping cooked rice from the conveyor belt is provided. In the present invention, the scraper is for scraping the cooked rice sent on the conveyor belt at a speed higher than the speed at which the cooked rice is sent to the cooked rice sending exit,
It is formed in the shape of a plate, and is fixed to the top of a support member erected in the radial direction on a rotating shaft erected in the width direction of the conveyor belt.

In the present invention, the plate-shaped scraper is provided with a plurality of projections on the outside in the radial direction. The height of the protrusion is
It is about half the height of rice grains to about the height of rice grains, and can be about the length of rice grains together with the base. In the present invention, the rice-carrying conveyor section has a scraper tip formed in a plate shape to increase the rotational speed of the scraper, so that the scraper is provided only in one place, and the rice-cooking conveyor outlet is provided from the rice-carrying conveyor section. Rice can be supplied inside.

In the present invention, the rice filling and feeding section may be a pair of rollers or a pair of conveyor belts, or one side may be a roller and the other side may be a conveyor belt. That is, the feeding surface in the rice-filled feeding section can be formed by a roller and / or a belt. In this case, if at least one of the rollers is a roller, irregularities are formed on the surface of the formed cooked rice product, and thus, for example, when wrapped in a nori roll, it is preferable because the wrapping operation is easy, and the surface shape of the roller is appropriately adjusted. Is preferable because the cross-sectional shape of the cooked rice product can be made an appropriate shape.

[0011] In the present invention, the upper portion of the rice filling and feeding portion is formed to be open in accordance with the width of the hopper at the rice feeding outlet of the rice transporting conveyor portion.
If the lower roller is a driving roller, that is, a driving roller, and the upper roller is a driven roller, by changing the position of the driven roller, that is, the upper roller, the rice feed roller unit can be adjusted to an appropriate opening angle.

In the present invention, the number of rollers and the size of the rollers in the rice filling and feeding section can be appropriately set according to the purpose of supplying the rice from the supply device, as in the conventional rice measurement and supply device. . In the cooked rice metering and feeding device of the present invention, the interval between the rollers of each pair of rollers of the cooked rice feeding and feeding unit is formed so as to gradually narrow toward the lower side in the vertical direction.
This is preferable because the rice is continuously compressed as the rice is transported downward.

[0013] In the present invention, the drive device of the cooked rice conveyor unit is configured to stop by confirming the presence of cooked rice at the cooked rice outlet. On the other hand, the driving device of the rice filling and feeding unit is connected to a timer, and the driving of the driving device is started and stopped by the timer. Therefore, according to the present invention, the length of time from the start of driving to the stop of driving is set at any time and appropriately by a timer, so that the amount of cooked rice according to the set length of time can be reduced. It can be fed from the filling feed section. Thus, in the present invention, the amount of cooked rice sent out from the cooked rice filling and sending unit by the timer, appropriately,
It can be adjusted at any time and easily.

In the present invention, cooked rice exiting the cooked rice feeding section is cut by a cutting blade of a cutting machine. The cutting blade of the cutting machine is opened by rotating the opening / closing cam to the open position by driving the driving device of the cutting machine by the signal of the timer of the previous rice metering and feeding process completion. It is opened before the operation of the feed roller of the feed unit by the timer is started. Since the cutting blade of the cutting machine is closed by the signal of the timer for stopping the operation of the feed roller, the cutting blade of the cutting machine is closed after the operation of the feed roller of the rice filling feeding unit is stopped.

In the present invention, the take-out conveyor belt stops when the metered rice is detected by the cooked rice detection sensor provided on the take-out side of the conveyor belt, and the metered rice is transferred onto the take-out conveyor belt. Operation is started when detection is stopped.

In the present invention, the take-out conveyor belt is formed so as to be rotatable in the forward and reverse directions, and when the setting of the timer does not exceed the threshold value, the take-out conveyor belt is rotated in the forward direction, and the setting of the timer is performed. When exceeds the threshold value, for example, by rotating in the reverse direction, if the metered rice does not exceed the threshold value, the cooked rice is taken out from the forward rotation outlet, and the cooked rice is metered. If the weight exceeds the threshold value, the cooked rice can be taken out from the take-out opening of the reverse rotation.

[0017]

According to the present invention, the amount of the first cooked rice fed from the first feed rotary member to the lower opening within the first operation time of the first feed rotary member is determined by the second operation of the next first feed rotary member. In time,
It is an amount different from the amount of the second cooked rice sent from the first feed rotating member to the lower opening, the difference between the amount of the first cooked rice and the amount of the second cooked rice is the first operation time and the second cooked rice Since the operation time is made proportional to the difference, the operation time of the first feed rotating member is appropriately set, so that an appropriate amount of cooked rice can be metered and supplied.

In the present invention, a rice-carrying conveyor section;
A rice-rotating member is provided below the outlet of the rice-conveying conveyor unit, and a rice-filling-feeding unit is provided for feeding the rice in a downward direction to form a flow of rice with a high density of the rice, and the rice-filling unit. In the cooked rice metering and feeding device having an opening with a cutting machine located below the feed unit, since a timer is provided in the drive device of the feed rotating member of cooked rice in the cooked rice filling feed unit,
By setting an appropriate timer, rice with an appropriate weight can be metered and supplied.

Further, the present invention provides a rice-cooking conveyor unit,
A rotating shaft is laid on the conveyor belt in the width direction of the conveyor belt, and at two or more positions separated from the rotating shaft,
A plurality of rod-shaped supports are erected in the radial direction and opposed to each other, and a plate-like scraper is stretched across the conveyor belt width direction between the ends of the opposed rod-shaped supports.
With a simple structure, the cooked rice can be reliably supplied to the cooked rice feeding section without damaging the cooked rice.

[0020]

Embodiments of the present invention will be described below with reference to the accompanying drawings. However, the present invention is not limited by the following description and examples. FIG. 1 is a schematic front view of one embodiment of the cooked rice measuring and feeding device of the present invention,
FIG. 2 is a side sectional view of the embodiment of FIG. 1, and FIG. 3 is a schematic front view of another embodiment of the present invention. FIG. 4 is a schematic plan view showing the cutting machine used in the embodiment of FIGS. 1 and 3 with the cutting blade opened, with the cutting blade being the center. FIG. FIG. 2 is a schematic plan view showing a closed state of the machine centering on a cutting blade. FIG. 6 is a schematic front view showing a closed state of the cutting machine of FIG. 5 centering on the cutting blade. FIG. 7 is a flow chart in the embodiment of FIG. 1, and FIG. 8 is a schematic side view of the rice transporting and feeding device.

A cooked rice metering and feeding device 1 for forming a nori roll is a cooked rice transporting and feeding device 3 having a hopper 2 on the top.
The rice transporting and feeding device 3 includes a rice transporting conveyor belt 4 at a lower portion thereof. At the outlet side of the cooked rice transport and supply device 3, a feed-shary detection sensor 6 is provided near the outlet opening 5 to detect the supply of cooked rice.
Is provided.

The rice filling and feeding section 7 is provided with
Is formed below the outlet opening 5 of the first embodiment, and is surrounded by a transparent plate member 8 such as glass. In the present example, a pair of first feed rollers 9 is provided on the rotary shaft 10 above, and a pair of second feed rollers 11 is positioned below the rotary shaft 12.
, And a third feed roller 13 located thereunder.
Are provided on the rotating shaft 14. Third feed roller 13
A pair of cooked rice guiding members 15 is provided below the opening, and an opening 16 is formed.

Below the opening 16, two cutting blades 17 and 18 are provided. In this example, the cutting blades 17 and 18 have bases 19 and 20 rotatably supported by a frame plate 21, respectively.
2 and 23 are erected, and a spring 24 is bridged between the support plates 22 and 23, respectively. In this example, cam followers 25 and 26 are formed on the upper surface of the cutting blades 17 and 18 on the base side from the intermediate portion, respectively, and a cam 27 is arranged between the cam followers 25 and 26.
The cam 27 has a wide portion 28 and a narrow portion 29. The cam 27 is rotated by the rotation of a rotation shaft 30 supporting the cam 27, and the width of the cam 27 is interposed between the cam followers 25 and 26. When the wide portion 28 is located, the cutting blades 17 and 18 are opened, and the concave portion 3 formed at the distal end portion is opened.
By 1 and 32, between the tip portions of the cutting blades 17 and 18,
An opening 33 is formed.

On one side of the rotary shaft 30 that supports the cam 27, a dog 35 and a cutting blade 17 and 18 that are kept close to the proximity switch 34 when the cutting blades 17 and 18 open are kept open. When the switch is closed
, A dog 37 is provided to keep the cutting blades 17 and 18 closed.

Below the cutting blade 17, a conveyor belt 38 is provided.
Is provided. In the embodiment of FIG. 1, the conveyor belt 38 rotates in one direction, and the weighed cooked rice is fed by the conveyor belt 38 to a tactile detection sensor 39.
It is conveyed to the outlet 40 provided with and extracted. In the embodiment of FIG. 3, the conveyor belt 41 is formed to rotate in both directions, and outlets 44 and 45 are provided on both sides of the conveyor belt 41 with tactile detection sensors 42 and 43.

In the present embodiment, the weighed cooked rice 46 having a weight equal to or less than the predetermined weight is conveyed to the outlet 44 provided with the tactile detection sensor 42 by the movement of the conveyor belt 41 in the direction of the arrow 47 and taken out. The weighed cooked rice 48 exceeding the predetermined weight is conveyed to the outlet 44 provided with the tactile detection sensor 43 by the movement of the conveyor belt 41 in the direction of the arrow 49 and taken out.

In this example, the cooked rice transport and supply device 3 has a plate-shaped scraper 50 laid on support rods 52 and 53 erected on both sides of a rotating shaft 51. In this example, a projection 54 is formed on the plate-shaped scraper 50. In this example, the height of the projection 54 is 2 mm, and the height of the base 55 of the scraper 50 is 4 mm. The height of the protrusion 54 is 0.
The height of the base of the scraper 50 can be 3.5 to 5.5 mm.

Since this embodiment is configured as described above,
For example, in the embodiment shown in FIG. The cooked rice moves by the drive of the conveyor belt 4 and moves out of the hopper 2 through the outlet opening 5.
It is sent to the rice filling and feeding section 7.

The weight to be weighed is set on a timer (not shown). The timer operates the first to third feed rollers 9, 11, and 13 (hereinafter collectively referred to as vertical rollers) by driving a vertical roller motor 58. In this example, the vertical roller motor rotates each roller at a constant rotation speed. Prior to the driving of the vertical roller motor 58, the tactile detection sensor 39 of the conveyor belt 38 detects that there is no cooked rice on the conveyor belt 38, and operates a cutter motor 59 for operating the cutting blade, The cam 27 is rotated until the cutting blades 17 and 18 are opened.

The timer for the set weight is activated, and the vertical roller motor 58 is stopped. In response to the stop signal of the vertical roller motor, the cutter motor 59 is driven, the cutting blades 17 and 18 are closed, and the weighed cooked rice is cut by the cutting blades 17 and 18 and supplied onto the conveyor belt 38. Sent to the exit. The tactile detection sensor 39 detects this, and stops the operation of the tact conveyor motor 60 and the conveyor belt 38.

[0031]

According to the present invention, the amount of the first cooked rice sent from the first feed rotary member to the lower opening within the first operation time of the first feed rotary member is determined by the first feed rotary member. Within two operating hours, the amount is different from the amount of the second cooked rice sent from the first feed rotating member to the lower opening, the difference between the amount of the first cooked rice and the amount of the second cooked rice is the first Since the operation time is proportional to the difference between the operation time and the second operation time, it is possible to measure and supply an appropriate amount of cooked rice by one unit, which is difficult with the conventional cooked rice metering device.

Further, the present invention relates to a rice-cooking conveyor section,
A rotating shaft is laid on the conveyor belt in the width direction of the conveyor belt, and at two or more positions separated from the rotating shaft,
A plurality of rod-shaped supports are erected in the radial direction and opposed to each other, and a plate-like scraper is stretched across the conveyor belt width direction between the ends of the opposed rod-shaped supports.
Compared with the conventional cooked rice metering and feeding device, the cooked rice can be reliably supplied to the cooked rice feeding section with a simple structure without damaging the cooked rice.

[Brief description of the drawings]

FIG. 1 is a schematic front view of an embodiment of a cooked rice metering and feeding device of the present invention,

FIG. 2 is a side sectional view of the embodiment of FIG.

FIG. 3 is a schematic front view of another embodiment of the present invention.

FIG. 4 is a schematic plan view showing the cutting machine used in the embodiment of FIGS. 1 and 3, with the cutting blade being centered and the cutting blade being opened;

FIG. 5 is a schematic plan view showing a closed state of the cutting machine of FIG. 4 centering on the cutting blade;

6 is a schematic front view showing the closed state of the cutting machine of FIG. 5 centering on the cutting blade;

FIG. 7 shows a flowchart in the embodiment of FIG.

FIG. 8 is a schematic side view of the rice transporting and feeding device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 cooked rice metering and feeding device 2 hopper 3 cooked rice feeding device 4 conveyor belt 5 outlet opening 6 food shari detection sensor 7 cooked rice feeding feeder 8 transparent plate member 9, 11, 13 feed roller 10, 12, 14, 30, 51 rotating shaft 15 Cooked rice guide member 16, 33 Opening 17, 18 Cutting blade 19, 20 Base 21 Frame plate 22, 23 Support plate 24 Spring 25, 26 Cam follower 27 Cam 28 Wide portion of cam 27 29 Narrow portion of cam 27 31, 32 Recess 34, 36 Switch 35, 37 Dog sensor 38, 41 Conveyor belt 39, 42, 43 Tactile detection sensor 40, 44, 45 Outlet 46, 48 Cooked rice 47, 49 Arrow 50 Scraper 52, 53 Support rod 54 Projection 55 Base 56 Feed motor 57 Cover 58 Vertical roller motor 59 Cutter motor 60 Doo conveyor motor

Claims (2)

(57) [Claims] 1. A cooked rice transporting conveyor section, and a feed rotating member is provided below the outlet of the cooked rice transporting conveyor section, and the cooked rice is sequentially sent downward, and the flow of cooked rice having a high density of cooked rice is controlled. In a cooked rice metering / feeding device including a cooked rice filling and feeding section to be formed and an opening with a cutting machine located below the cooked rice filling and feeding section, a timer is provided in a drive device of a cooked rice feeding rotating member of the cooked rice filling and sending section. A rotating shaft is laid on the conveyor belt in a width direction of the conveyor belt, and a plurality of rod-shaped support members are disposed at positions separated from the rotating shaft in a radial direction and opposed to each other. And a plate-like scraper is stretched across the width of the conveyor belt between the ends of the opposing rod-shaped supports. 2. The rice cooking and feeding device according to claim 1, wherein the plate-shaped scraping tool has a plurality of irregularities on a radially outer portion.