JP4943679B2 - Rice cooker - Google Patents

Description

The present invention lunch, relates to a continuous supply rice metering device by a predetermined amount weighed boiled rice to produce a rice ball and the like.

  Lunch boxes sold at convenience stores, supermarkets, etc., and cooked rice is continuously metered and fed to produce a predetermined amount, but the conventional method is to feed the rice by screw rolls, transfer rolls, etc. Because the rice is weighed and pressed, the viscosity of the cooked rice is increased and the viscosity of the cooked rice is increased to a nodular state, homogenizing is impaired, and the texture is lowered and the quality is lowered.

Further, even in the case of measuring these rice to a predetermined amount, initially after metered fewer boiled rice than the predetermined amount, is also known to prevent yield reduction so as to add compensating supply of the shortage amount ing.

JP 2001-224325 A JP 2004-73048 A

  However, the conventional replenishment method for cooked rice not only reduces the texture of the cooked rice, but also increases the complexity and size of the structure, maintenance, cleaning and cleaning. There are defects such as disassembling and assembling work.

  In view of these current conditions, the present invention measures and supplies a predetermined amount of cooked rice efficiently and quickly while minimizing the increase in viscosity from the supply of cooked rice to the end of weighing, thereby preventing a decrease in texture. It is an object of the present invention to provide a cooked rice metering and feeding device which can continuously supply high quality cooked rice and simplify the mechanism.

The present invention includes a rotating blade rotating roll provided at an upper portion of a front end portion of a cooked rice conveyor provided in a cooked rice supply unit, a guide tube installed in a vertical direction below a front portion of the cooked rice conveyor, A feed roller installed in the lower part and having a feed groove on the peripheral surface, a unrolling roller installed opposite to the feed roller and rotating at a higher speed than the feed roller, and below a facing part between the feed roller and the unrolling roller A rice weighing chamber having a weighing scale installed on the lower side, an extrusion pusher provided on one side of the rice rice weighing chamber, and an accumulation amount of the cooked rice in the guide tube installed on the upper side of the guide tube An upper cooked rice detection sensor, and a lower cooked rice detection sensor installed on the upper part of the guide tube below the upper cooked rice detection sensor to detect the accumulated amount of the cooked rice in the guide tube. And,
The cooked rice is transferred to the feed roller installed in the lower part of the guide tube by the dropping action of the cooked rice by its own weight, and the upper cooked rice detection sensor responds to the detection of the cooked rice in the guide tube. Stop the operation of the rice conveying conveyor and the unwinding blade rotating roll to stop the action of feeding the cooked rice into the guide tube, and the cooked rice is accumulated up to the position of the lower cooked rice detection sensor the rice operating the feed roller and said loosening roller construed as pre Kioku Ri roller and said loosening roller is supplied to the rice metering chamber below, and the feed roller and said loosening roller The speed of the cooked rice is controlled so that it can be converted into high and low speeds by the weighing action of the weighing scale, and the main supply portion of the cooked rice is controlled at a high speed and the replenishment portion is controlled at a low speed. Apparatus on.

Further, the present invention is by the child as constructed above, in which so as achieve a simple downsizing of these configurations went smoothly ensuring a metering action continuously in the same portion.

In the present invention, the unrolling action of cooked rice can be performed more smoothly by placing the feeding roller and the unrolling roller, which is faster than the feeding roller, facing each other while maintaining a minute interval of about 1 to 5 mm . Is.

Furthermore , in the present invention , the flow rate adjusting guide provided on the upper side of the guide cylinder on the side of the unrolling roller is provided so as to freely move up and down, so that the optimum unwinding action according to the transfer amount and properties of cooked rice is performed. Is.

Since the present invention is configured as described above, a predetermined amount of quality suitable for bento, rice cooker, etc. can be prevented by preventing as much stickiness and compression as necessary from the supply of cooked rice to the end of measurement. The cooked rice is weighed and fed, and the cooked rice is transported in the guide tube by its own weight, and the feed roll formed opposite to the lower part of the feed roll is formed with a feed groove. Dissolve the rice with high speed to prevent stickiness and pressure as much as possible and perform the unrolling action with a roller efficiently and smoothly, prevent the rice from agglomerating and homogenize the rice and send it to the weighing chamber It is possible to measure and supply a predetermined amount of cooked rice with good quality suitable for bento and hand-grip rice, which prevents a decrease in texture.

In addition , the present invention is configured so that the speed of the feed roller can be changed between high and low, and this is controlled in conjunction with the metering action of the meter, so that the main supply of cooked rice is quickly restrained and a small amount of additional replenishment action. Is a method in which the main supply action and the additional supply supply action are continuously performed at the same location, and these configurations are separately provided in a conventional manner, while gradually measuring at a low speed to measure a predetermined amount of cooked rice quickly. In comparison, the configuration can be remarkably simplified.

In addition , in the present invention, the feed roller and the high speed unwinding roller are placed opposite to each other while maintaining a minute interval of about 1 to 5 mm, and the sticking of rice, the pressing action and the agglomeration in the unraveling action are more reliably prevented. It is possible to perform the solving action more efficiently.

Further , in the present invention, by adjusting the flow rate adjusting guide provided on the side of the unrolling roller up and down, it is possible to perform the optimum unwinding action according to the properties of the cooked rice, such as the hardness, viscosity, and the state of the nodule, and the transfer amount. It is possible to improve the texture and quality of cooked rice.

Hereinafter, the embodiment of the present invention will be described with reference to the drawings of the examples. At the upper part of the front end of the cooked rice conveyor 2 provided in the cooked rice supply unit 1, a blade rotating roll 3 is provided and the front lower part thereof is provided. The guide cylinder 4 is installed in the vertical direction so that the cooked rice on the cooked rice conveyor 2 is sequentially unwound and dropped by the blade rotating roll 3 into the guide cylinder 4.

The lower one side of the front Symbol guide cylinder 4, 'together with the the other side is provided vertically adjustable flow control guide 4 "to people facing each, the guide 4' Guide 4 speed at the bottom of the side Is provided at the lower part of the flow rate adjusting guide 4 ″ and rotates at a higher speed than the feed roller 5 and converted into high speed, medium speed and low speed. Possible disassembling rollers 6 are installed opposite to each other, and both rollers 5 and 6 are configured to maintain a minute interval of about 1 to 5 mm at the facing portions.

Roller 5 Ri feed, rotates clockwise in FIG. 2, FIG. 4, so that gradually the depth becomes shallower in the direction of rotation (3 rows in the drawing) a plurality of rows on the circumferential surface thereof as shown in FIG. 5 feeding groove 5 formed in the ', 5' feeding groove 5 of the column ... are adjacent while being drilled ', 5' are formed on the discrepancy is established between.

On the other hand , the unrolling roller 6 rotates counterclockwise in FIG. 2 and has the same diameter as that of the feed roller 5 and rotates 10 to 30 times faster than one rotation of the feed roller. 5 has somewhat s higher position than further its construed peripheral surface pawl 6 'is bored to deviate from that of the circumferential direction and adjacent to the plurality of rows in the axial direction, the lower portion of the rice in the guide tube 4 The cooked rice is broken down and separated in the axial direction using the rotation difference with the feed roller 5 and can be supplied downward.

Also , below the feed roller 5 and the breaking roller 6, there is provided a cooked rice weighing chamber 8 having a weighing scale 7 made of an electronic balance in the lower part and open at both ends. On the side, a rice extrusion pusher 9 that operates in conjunction with a preset weight of the weighing scale 7 is provided so that the cooked rice can be sent from the cooked rice weighing chamber 8 to the cooked rice carry-out conveyor 10 installed on the other side. It is configured.

Thus, an upper rice detection sensor 11 for controlling the blade rotation roll 3 construed in an upper portion of the guide tube 4 and the rice conveyor 2, a feed roller 5 construed lower rice detection sensor 12 for controlling the operation of the roller 6 The upper cooked rice detection sensor 11 detects when the cooked rice is full in the guide tube 4, detects it as the cooked rice conveyor 2, stops the operation of the blade rotating roll 3, and removes the cooked rice into the guide tube 4. stop action infeed, the full state detection action of the upper rice detecting sensor 11 is turned off is configured to again start the action infeed rice, also lower rice detection sensor 12, the cooked rice is the guide cylinder 4 lower gradually reservoir, actuated rollers 6 construed When the roller 5 feed detects this accumulated up to the position of the lower rice detection sensor 12, when the detection action expires, the feed roller 5 and loosened allowed stop the operation of the roller 6 is configured to be a standby state until the detection again.

Further , the speed conversion mechanism of the feed roller 5 and the breaking roller 6 is configured to be controlled to be switched in conjunction with the weighing action of the weighing scale 7. For example , when the total amount of cooked rice supply is 260 g, the rotation speed is high. Is converted to medium speed rotation when the measurement value of the weighing scale 7 reaches 180 g set in advance, and further converted into three stages such as conversion to low speed rotation when the measurement value reaches 240 g set in advance. These switching metric values can be set to an arbitrary predetermined amount in advance.

Embodiments of the present invention, which is configured as described above, cooked rice supplied on rice conveyor 2 in the rice supply unit 1, the construed blade rotating roll 3 to be construed with the guide tube 4 When the rice is gradually dropped and accumulated up to the position of the lower rice detection sensor 12, this is detected and the feed roller 5 and the unrolling roller 6 are simultaneously rotated to release the cooked rice. Let it fall to 8.

Next , when the cooked rice in the cooked rice weighing chamber 8 reaches a preset total predetermined weight , the cooked rice pusher 9 is activated to transfer the cooked rice in the cooked rice weighing chamber 8 onto the cooked rice carry-out conveyor 10 and to a predetermined position. Is. In this case , however , the supply of cooked rice to the cooked rice weighing chamber 8 is , for example , as described above, with the total cooked feed amount of cooked rice being 260 g, the feed roller 5 being disassembled, and the speed conversion measured values of the roller 6 being 180 g and 240 g, respectively. When set, the first main supply amount is high speed, and the cooked rice is supplied to the cooked rice weighing chamber 8 and then supplied up to 240 g at medium speed and gradually from the last 240 g.

  In the above-described embodiment, the speed conversion of the feed roller 5 and the roller 6 is performed in three stages of high, medium, and low, but it can also be performed by high-low double-speed conversion.

It is a vertical front view which shows the Example of the cooked rice measurement supply apparatus by this invention. It is a cross-sectional view of a cooked rice metering device taken along line A-A of FIG. It is a side view of the principal part of the cooked rice measurement supply apparatus of FIG. It is a front view which shows the feed roller in the cooked rice measurement supply apparatus of FIG. Is a side view which lacks Ri partially cut showing the feed roller of FIG. It is a front view which shows the tearing roller in the cooked rice measurement supply apparatus of FIG. It is a side view which shows the tearing roller of FIG.

DESCRIPTION OF SYMBOLS 1 Rice supply part 4 Guide pipe | tube 4 "Flow control guide 5 Feed roller 5 'Feed groove part 6 Unrolling roller 6' Unfastening claw 7 Weighing scale 8 Cooked rice measurement chamber 9 Cooked rice pusher

Claims (3)

An unwinding blade rotating roll provided at the upper part of the front end portion of the cooked rice conveyor provided in the cooked rice supply unit, a guide tube installed vertically below the front part of the cooked rice conveyer, and installed at the lower part of the guide tube And a feed roller having a feed groove on the peripheral surface, a unrolling roller installed opposite to the feed roller and rotating at a higher speed than the feed roller, and below the opposed portion of the feed roller and the unrolling roller. A cooked rice weighing chamber having a weighing scale installed, an extrusion pusher provided on one side of the cooked rice weighing chamber, and an upper cooked rice detection installed on the upper side of the guide tube to detect the amount of accumulated rice in the guide tube A sensor and a lower rice detection sensor that is installed on the upper part of the guide cylinder below the upper rice detection sensor and detects the accumulated amount of the rice in the guide cylinder;
The cooked rice is transferred to the feed roller installed in the lower part of the guide tube by the dropping action of the cooked rice by its own weight, and the upper cooked rice detection sensor responds to the detection of the cooked rice in the guide tube. Stop the operation of the rice conveying conveyor and the unwinding blade rotating roll to stop the action of feeding the cooked rice into the guide tube, and the cooked rice is accumulated up to the position of the lower cooked rice detection sensor the rice operating the feed roller and said loosening roller construed as pre Kioku Ri roller and said loosening roller is supplied to the rice metering chamber below, and the feed roller and said loosening roller The speed of the cooked rice is controlled so that it can be converted into high and low speeds by the weighing action of the weighing scale, and the main supply portion of the cooked rice is controlled at a high speed and the replenishment portion is controlled at a low speed. Apparatus. The cooked rice metering and feeding device according to claim 1, wherein the feed roller and the unrolling roller are opposed to each other with a minute interval of about 1 to 5 mm .   The cooked rice metering and feeding device according to claim 1, wherein a flow rate adjusting guide is provided on an upper portion of the guide cylinder on the side of the unrolling roller so as to be vertically adjustable.

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