JP2012152150A - Cooked rice molding apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cooked rice molding apparatus that can safely mold more inexpensively.SOLUTION: A demolding plate 4 as a demolding means projecting from the inside to outside of a recessed surface 31 with that the recessed surface 31 of a molding rollers 31a, 31b moves from an upstream side to a downstream side is disposed, thereby a cooked rice molded article R that has adhered to the inside of the recessed surface 31 is demolded by the demolding plate 4.

Description

  TECHNICAL FIELD The present invention relates to a cooked rice molding apparatus for making a sushi ball for nigiri sushi, and more particularly to a cooked rice mold apparatus having a good mold release.

  As one of apparatuses for mass-producing sushi balls for sushi rice, there is a grip ball forming apparatus (rice cooked apparatus) described in Patent Document 1, for example. This cooked rice shaping apparatus has a pair of left and right forming rollers provided with a concave surface filled with cooked rice on the surface, and each forming roller is rotated in a direction facing each other in a state where sushi rice is filled in the concave surface. A sprout ball having a bowl shape is compression-molded in the concave surface.

  According to this, it is possible to efficiently mass-produce the sharp balls by using the molding roller. However, the molding of the sharp balls using the molding roller tends to adhere to the concave mold surface, and the yield is low as it is. Therefore, in order to increase the yield, the forming roller is made of a material having good releasability (for example, tetrafluoroethylene resin), or the surface of the concave surface is subjected to a texture process to make it difficult for the shaving to adhere. If the stick still adheres, vegetable oil or the like is applied to the concave surface to make it difficult to adhere to the concave surface.

  However, although the tetrafluoroethylene resin mentioned above has good peelability to cooked rice, the material cost is high. Furthermore, since injection molding is difficult in terms of material, machining time and cost are increased because it is manufactured by cutting. In addition, one of the conventional molding apparatuses has a transport function for picking up and transporting a molded ball, but if the sushi rice moves on the molding roller, it is discharged outside the fixed position. An error may occur, causing malfunction.

  Moreover, since there are many people who have the impression that sushi is a healthy meal, the act of using vegetable oil is a negative image, and it is preferable to make a crisp ball without using vegetable oil. Moreover, when applying vegetable oil etc., if it continues producing sprout balls for a certain period of time, it will cause oil spillage, so it is necessary to stop the machine periodically and apply the oil, which takes time and effort.

JP 2006-14635 A

  Then, this invention was made | formed in order to solve the subject mentioned above, Comprising: The objective is to provide the cooked rice shaping | molding apparatus which can be shape | molded safely more cheaply.

  In order to achieve the above-described object, the present invention has several features described below. The invention according to claim 1 has two forming rollers that rotate in directions opposite to each other about a horizontal rotation axis, and a concave mold surface for forming a cooked rice product is provided on the outer peripheral surface of each forming roller. In the cooked rice molding apparatus that rotates the molding rollers together, inputs the cooked rice from the upstream side thereof, compresses the molded rice in the concave mold surface, and discharges the cooked rice molded product from the downstream side. As it moves from the upstream side toward the downstream side, it has a releasing means that protrudes from within the concave mold surface, and the cooked rice product formed in the concave mold surface is released by the mold releasing means. It is characterized by that.

  A second aspect of the present invention is characterized in that, in the first aspect, the releasing means protrudes into the concave mold surface after compression molding by the concave mold surface.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the forming roller is provided with a guide groove that makes one turn along a circumferential direction, and the guide groove is separated as the mold release means. It is characterized in that a template is inserted.

  According to a fourth aspect of the present invention, in the third aspect, at least one of the guide groove and the release plate is provided along a rotation axis of the molding roller.

  According to a fifth aspect of the present invention, in the third or fourth aspect, the release plate has an arc-shaped or linear release surface, and the concave surface of the release surface rotates and moves downstream. It is characterized by being arranged so that the height gradually increases from the bottom surface of the concave surface toward the outer peripheral surface.

  According to the first aspect of the present invention, the cooked rice mold has mold release means that protrudes from the concave surface as the concave surface moves from the upstream side toward the downstream side, and is molded in the concave surface. By releasing the product by the mold release means, even if the cooked rice molded product moves while adhering to the concave mold surface, the cooked rice molded product can be released to a substantially fixed position. Therefore, a mechanism for collecting and transporting the shaped balls after molding is not required, and the shaped balls can be mass-produced with a simpler configuration. Furthermore, since it is not necessary to apply vegetable oil or the like, not only production costs can be reduced, but also maintenance such as cleaning becomes easier.

  According to the second aspect of the present invention, the mold release means protrudes into the concave mold surface after the compression molding by the concave mold surface, so that the mold release means may become an obstacle during the compression molding of the sharp balls. Because there is no, a beautiful molded product can be made.

  According to the third aspect of the present invention, the guide roller is provided with a guide groove that circulates in the circumferential direction in the circumferential direction, and a release plate as a release means is inserted into the guide groove. The cooked rice molded product can be removed.

  According to the fourth aspect of the present invention, at least one guide groove and a release plate are provided along the rotation axis of the molding roller, so that the cooked rice product remaining in the concave mold surface can be reliably destroyed. Can be removed.

  According to the fifth aspect of the present invention, the release plate has an arc-shaped or linear release surface, and the release surface moves from the bottom surface of the concave surface to the outer peripheral surface when the concave surface moves downstream. By being arranged so as to protrude toward the surface, the cooked rice molded product can be forcibly released from the recessed mold surface only when the cooked rice molded product is stuck in the recessed mold surface.

The perspective view of the cooked rice forming apparatus which concerns on one Embodiment of this invention. The expansion exploded perspective view of the forming roller and release plate of the above-mentioned cooked rice forming device. The front view explaining arrangement | positioning of the said forming roller and a release plate. (A)-(c) Explanatory drawing explaining the process of rice cooking. The schematic diagram of the state by which the cooked rice molding stuck on the concave mold surface.

  Next, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited thereto.

  As shown in FIG. 1, this cooked rice forming apparatus 1 includes a rectangular apparatus main body 1b on a base 1a installed on an installation surface such as a table, for example, and a hopper (not shown) above the apparatus main body 1b. ) Is detachably attached.

  The front surface of the apparatus main body 1b is covered with a protection panel (not shown). The protective panel serves as an end plate for preventing the leakage of cooked rice by closing the axial end surfaces of the rollers of the compression unit 2 and the molding unit 3 to be described later, and for preventing dust and the like from entering the inside. It plays a role as a partition plate. At the time of maintenance, the forming mechanism as shown in FIG. 1 appears by removing the protective panel.

  In FIG. 1, the hopper is in a removed state. Usually, the hopper is formed so that its inner wall surface is inclined in a V shape from the upper part to the lower part, and the cooked rice introduced from the upper part gradually falls downstream. It is designed to flow to the side. In the present invention, the specific configuration of the hopper may be arbitrary.

  At the center of the front surface of the apparatus main body 1b, there are provided a compression section 2 that feeds out the cooked rice delivered from the hopper, and a molding section 3 that molds the cooked rice that has been compressed by the compression section 2 into a sharp ball.

  The compression unit 2 includes a pair of left and right feed rollers 2 a and 2 b that rotate in directions opposite to each other about the horizontal rotation shaft 22. The feed rollers 2a and 2b are formed of a synthetic resin molded product, and are formed in a gear shape in which a semicircular feed groove 21 is continuously formed on the surface along the circumferential direction. The shape of the feed groove 21 formed on the surface of the feed rollers 2a and 2b may be arbitrary.

  In this embodiment, the compression unit 2 uses a pair of left and right feed rollers 2a and 2b to compress the sushi rice fed from the upstream side and discharge it to the downstream side. There may be. In other words, if the feed rollers 2a and 2b can feed the cooked rice fed from the hopper to the downstream side while compressing the cooked rice to an appropriate state, the feed form and shape can be arbitrarily selected according to the specifications.

  Next, the shaping | molding part 3 is equipped with the left-right paired shaping | molding roller 3a, 3b which shape | molds the sushi rice sent out from feed roller 2a, 2b to a bowl-shaped shaving ball. Here, since the molding rollers 3a and 3b have substantially the same left and right shapes, only one molding roller 3a will be described.

  2 and 3, the forming roller 3a is attached so as to be rotatable about a predetermined horizontal rotation shaft 34, and in this example, is formed of a synthetic resin molded product. On the surface of the molding roller 3a, a concave surface 31 filled with sushi rice is provided.

  The concave surface 31 is formed in a substantially U shape, and has substantially the same volume as the volume obtained by dividing the sharp ball in half along the axial direction of the forming roller 3a. In this example, six concave surfaces 31 are provided at 60 ° intervals in the circumferential direction of the molding roller 3a. However, the number of the concave surfaces 31 and the installation interval may be arbitrarily changed according to specifications.

  A guide groove 32 into which the release plate 4 is inserted is provided at substantially the center in the axial direction of the forming roller 3a. The guide groove 32 is an annular groove formed from the surface of the molding roller 3a toward the center, and a guide shaft 33 for supporting the bearing surface 41 of the release plate 4 is provided at the center.

  The guide shaft 33 is arranged coaxially around the rotation shaft 34 of the forming roller 3 a, and the bearing surface 41 of the release plate 4 is guided along the guide shaft 33. As shown in FIG. 2, the release plate 4 is made of a plate that can be inserted along the guide groove 32 described above, and the bearing surface 41 described above is provided in a C shape on the tip side.

  The bearing surface 41 is a cutout portion that is cut out in a C shape along the guide shaft 33 on the distal end side of the release plate 4, with the bearing surface 41 side as the distal end and the release plate 4 along the guide groove 32. As shown in FIG. 3, the bearing surface 41 is held by the guide shaft 33.

  On the outer peripheral surface of the release plate 4, a release surface 42 for releasing the cooked rice product adhering in the concave surface 31 is provided. As shown in FIG. 3, the release surface 42 is preferably an arcuate curved surface, and the concave surface 31 appears to protrude from the bottom of the concave surface 31 as the concave surface 31 moves downstream. ing. The release surface 42 may be linear.

  The release plate 4 is provided with a holding hole 43 for fixing the release plate 4 to the cooked rice forming apparatus 1. The holding hole 43 is a through hole provided at an end portion on the side facing the bearing surface 41, and is inserted into a mounting shaft 44 that is erected adjacent to the forming rollers 3a and 3b. 1 is held.

  It is sufficient that at least one release surface 42 is provided, that is, if it has a half shape across the center line of the release plate 4, the release surface 42 functions as a release means. Since it becomes half and is not caught by the guide shaft 33, another fixing means is required.

  For this reason, in this embodiment, the release surface 42 is formed symmetrically with respect to the center line of the release plate 4. According to this, it can support with the guide shaft 33, without using the fixing means mentioned above, and also it attaches to the guide groove 32 of the right and left shaping | molding rollers 3a and 3b by turning over the release plate 4. FIG. be able to.

  In this example, only one guide groove 32 and release plate 4 are provided at the center in the axial direction of the forming roller 3a, but a plurality of guide grooves 32 and release plates 4 may be provided. When provided in multiple places, it is preferable that they are arranged at equal intervals.

  The base 1b is provided with a rotating stage 5 that receives the discharged ball formed by the molding unit 3 and discharged. The rotating stage 5 is a rotating disk that rotates via a predetermined driving means. The specific configuration of the rotary stage 5 may be arbitrary in the present invention.

  The compression unit 2, the molding unit 3, and the rotary stage 5 are configured to rotate synchronously by rotating a manual handle 6 provided on the side surface of the apparatus main body 1 b. In this example, the drive means of the cooked rice forming apparatus 1 is the simplest manual type, but it goes without saying that these may be electrically operated or may be controlled fully automatically using a computer.

  Next, an example of the forming procedure of the cooked rice forming apparatus 1 will be described with reference to FIG. First, when the handle 6 is rotated in a state where a hopper (not shown) filled with sushi rice is installed on the upper portion of the apparatus main body 1b, the sushi rice R compressed into a rod shape by the compression rollers 2a and 2b is rotated by the compression rollers 2a and 2b. Accordingly, as shown in FIG. 4A, the toner is supplied into the concave surfaces 31, 31 of the forming rollers 3a, 3b.

  As the handle 6 is further rotated, as shown in FIG. 4 (b), the concave surfaces 31, 31 face each other as the forming rollers 3a, 3b rotate inward while rotating downstream. The sushi rice R filled in the concave mold surfaces 31 and 31 is compression-molded into a sharp ball shape.

  As the forming rollers 3a and 3b further rotate, the concave mold surfaces 31 and 31 are gradually opened toward the downstream side as shown in FIG. 4 (c). Released onto the rotary stage 5.

  When the concave mold surfaces 31 and 31 further rotate past the opening position of the shaving ball R, the mold release surface 42 of the release plate starts to appear from the bottom surface of the concave mold surfaces 31 and 31, and the mold release surface as it further rotates. The height from the bottom surface of 42 gradually increases.

  According to this, as shown in FIG. 5, if the shaving balls R are still attached to the inside of the concave surfaces 31, 31 even after passing the open position, the shaving is performed along with the rotation of the molding rollers 3 a, 3 b. The bottom surface of the ball R is forcibly lifted from the concave surface 31 along the release surface 42 of the release plate 4 and is released from the concave surface 31.

  In this example, the concave mold surface 31 has been described by taking a mold for molding a ball for sushi as an example, but the combination of the molding roller 3 and the release plate 4 of the present invention is used for other molding applications. Can also be used.

  That is, it can be used for molding rice balls and rice cakes in addition to the sharp balls, and can also be used for molding cookies and bread. Such uses are also included in the present invention.

  In this example, the molding rollers 3a and 3b are formed in a symmetrical shape. For example, the concave molding surface 31 is formed only on one molding roller 3a and the concave molding surface 31 is not formed on the other molding roller 3b. It may be a simple roller that uses a left-right asymmetric forming roller that compresses the filling in the concave surface 31 of the forming roller 3a. In any case, by applying the release plate 4 of the present invention to the forming roller having the concave surface 31, the same release effect can be obtained.

DESCRIPTION OF SYMBOLS 1 Rice cooker 2 Compression part 2a, 2b Compression roller 3 Molding part 3a, 3b Molding roller 4 Release plate 5 Rotating stage R Sushi rice

Claims (5)

There are two forming rollers that rotate in directions opposite to each other about a horizontal rotation axis, and the outer peripheral surface of each forming roller is provided with a concave surface for forming a cooked rice product, and the forming rollers are rotated with each other. However, in the cooked rice molding apparatus for throwing the cooked rice from the upstream side, compression molding in the concave mold surface, and discharging the cooked rice molded product from the downstream side,
As the concave mold surface moves from the upstream side toward the downstream side, it has mold release means that protrudes from the concave mold surface, and the rice cooked product formed in the concave mold surface is the mold release means. A rice cooker characterized in that it is released from the mold.   2. The cooked rice forming apparatus according to claim 1, wherein the mold release means protrudes into the concave mold surface after compression molding by the concave mold surface.   3. The molding roller is provided with a guide groove that goes around along a circumferential direction, and a release plate as the release means is inserted into the guide groove. Rice cooker as described in 2.   The cooked rice forming apparatus according to claim 3, wherein at least one of the guide groove and the release plate is provided along a rotation axis of the forming roller.   The release plate has an arc-shaped or linear release surface, and the release surface has a height from the bottom surface of the concave surface as the concave surface rotates and moves downstream. It is arrange | positioned so that it may increase gradually toward an outer peripheral surface, The cooked rice shaping | molding apparatus of Claim 3 or 4 characterized by the above-mentioned.

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