JP2023049674A - Food material conveyance device and rice manufacturing device provided with the same - Google Patents

Abstract

To transfer rice from a first weighing conveyor on the upstream side to a conveyance conveyor on the downstream side without deforming or partly dropping.SOLUTION: A first weighing conveyor 3 includes an endless conveyor belt 3a and a plurality of rollers 3b which includes a drive roller 3ba that circularly drives the conveyor belt 3a, and over which the conveyor belt 3a is stretched so as to form a descending part D inclined at an acute angle from a folded end t formed on a conveying conveyor 4 side upper part. The conveying conveyor 4 includes an endless conveyor belt 4a and a plurality of rollers 3b which includes a drive roller 4ba that circularly drives the conveyor belt 4a, and over which the conveyor belt 4a is stretched so as to form an ascending part U inclined at an acute angle from the folded end t formed on a first weighing conveyor 3 side down part. Conveyance surfaces F of the first weighing conveyor 3 and the conveying conveyor 4 are in the same planar face, a predetermined gap is formed between the descending part D of the first weighing conveyor 3 and the ascending part U of the conveying conveyor 4, and the descending part and the ascending part overlaps each other in a planer view.SELECTED DRAWING: Figure 2

Description

TECHNICAL FIELD The present invention relates to a foodstuff conveying device and a cooked rice manufacturing apparatus including the same.

There is known an apparatus for producing a food material such as cooked rice with a desired target weight. In such an apparatus, a foodstuff conveying device is installed that produces foodstuffs of a predetermined weight, loads the foodstuffs on a belt conveyor, and conveys them to the next process.

Taking cooked rice as an example of the food material, as shown in FIG. 11, cooked rice R produced in a predetermined weight is mounted on a first belt conveyor (for example, a conveying belt conveyor) 101 (FIG. 11(a)). , a second belt conveyor (for example, a weighing belt conveyor) 102 arranged downstream (FIG. 11(b)). The first and second belt conveyors 101 and 102 are composed of endless conveyor belts 101a and 102a and rollers 101b and 102b around which the conveyor belts 101a and 102a are rotatable. The rollers 101b and 102b are composed of driving rollers 101ba and 102ba that are rotated by a motor to drive the conveying belts 101a and 102a, and driven rollers 101bb and 102bb that are rotated by the conveying belts 101a and 102a that are circulated by the driving rollers 101ba and 102ba. It consists of

In such a foodstuff conveying apparatus, if the first belt conveyor 101 and the second belt conveyor 102 are simply arranged in series, as shown in FIG. Rp) will drop and loss will occur. Therefore, as a structure for transporting cooked rice by transferring it from the first belt conveyor 101 to the second belt conveyor 102 while preventing the occurrence of loss due to the falling of the cooked rice Rp, for example, the following structure is known. ing.

That is, as described in Patent Document 1 (Japanese Patent Laid-Open No. 08-133463) and Patent Document 2 (Japanese Patent Laid-Open No. 2021-046283), two belt conveyors are arranged in a stepped manner, and cooked rice is placed on the first belt. A structure (first conveying structure) that is dropped from the conveyor to the second belt conveyor and conveyed, and the diameter of the roller that rotates the belt conveyor as described in Patent Document 3 (Japanese Patent Application Laid-Open No. 2017-100830) is arranged so that the conveying surfaces (upper surfaces) of the belt conveyors are horizontal, and the cooked rice is conveyed from the first belt conveyor to the second belt conveyor (second conveying structure).

In addition, the conveying surfaces of the belt conveyors are arranged so as to be horizontal, and a block of resin or the like is fitted in the gap formed between the two belt conveyors so that the conveying surfaces are continuous through the block, A structure (third transport structure) for transporting the cooked rice from the first belt conveyor to the second belt conveyor is also conceivable.

JP-A-08-133463 JP 2021-046283 A JP 2017-100830 A

However, in the first conveying structure, the cooked rice is deformed due to the impact when passing through the step when transferring from the first belt conveyor to the second belt conveyor, and the second belt conveyor is used for weighing. weighing error occurs due to the shock during passage.

In addition, in the second conveying structure, since a gap is formed at the portion where the first belt conveyor is transferred to the second belt conveyor, the rice grains separated from the mass of boiled rice fall in the gap.

Furthermore, in the third conveying structure, frictional resistance is generated when the cooked rice passes through the block, and the cooked rice is deformed or the lumps of the cooked rice are torn off.

The present invention has been made in view of the above-mentioned technical background, and the food can be transported from the first belt conveyor on the upstream side to the second belt conveyor on the downstream side without deformation of the food material or part of the food material falling off. The purpose is to provide transferable technology.

In order to solve the above problems, the foodstuff conveying apparatus of the present invention according to claim 1 has a first belt conveyor and a second belt conveyor disposed downstream of the first belt conveyor in the conveying direction. 1. A foodstuff conveying device for conveying foodstuffs from the first belt conveyor to the second belt conveyor, wherein the first belt conveyor comprises an endless conveying belt and a conveying belt that circulates around the conveying belt. A plurality of belts including a drive member for driving, the conveying belt being rotatably stretched so as to form a descending portion descending at an acute angle from a folded end formed on the upper side of the second belt conveyor. and a bridging member, wherein the second belt conveyor includes an endless conveying belt and a driving member for circulating the conveying belt. a plurality of belt bridging members over which the conveying belt is rotatably spanned so as to form an ascending portion that rises at an acute angle from an end, the conveying surface of the first belt conveyor and the second belt conveying member; is flush with the conveying surface of the belt conveyor, and a predetermined gap is formed between the descending portion of the first belt conveyor and the ascending portion of the second belt conveyor in plan view It is characterized in that it overlaps with .

According to a second aspect of the present invention, there is provided a foodstuff conveying apparatus according to the first aspect of the invention, wherein at least one of the first belt conveyor and the second belt conveyor constitutes the belt spanning member. The drive member is a drive roller rotated by a motor, and the belt spanning member other than the drive roller is a driven roller rotated by the conveying belt that is rotated by the drive roller.

According to a third aspect of the present invention, there is provided a foodstuff conveying apparatus according to the first aspect of the invention, wherein at least one of the first belt conveyor and the second belt conveyor constitutes the belt spanning member. The driving member is a driving roller rotated by a motor, and the belt spanning member other than the driving roller includes a folding plate installed at the folding end and the driving roller installed at a location other than the folding end. It is a driven roller rotated by the conveying belt that is rotated by the roller.

According to a fourth aspect of the present invention, there is provided a foodstuff conveying apparatus according to the second or third aspect of the invention, wherein the drive roller is arranged at an end opposite to the folded end. .

According to a fifth aspect of the present invention, there is provided a foodstuff conveying apparatus according to the second or third aspect of the invention, wherein the driving roller is arranged between the folded end of the transport belt and the end opposite to the folded end. arranged between to drive the conveyor belt in the lower circumference area of the conveyor belt.

According to a sixth aspect of the present invention, there is provided a foodstuff conveying apparatus according to the fifth aspect, wherein the belt bridging member of the first belt conveyor further comprises a lower portion on the side opposite to the second belt conveyor. The conveying belt is stretched so as to form an ascending portion that rises at an acute angle from the formed folded end, and the belt bridging member of the second belt conveyor further includes the first belt It is characterized in that the conveying belt is stretched so as to form a descending portion that descends at an acute angle from a folded end formed on the upper side opposite to the conveyor.

According to a seventh aspect of the present invention, there is provided a foodstuff conveying apparatus according to any one of the first to sixth aspects, wherein the foodstuff is cooked rice.

In order to solve the above-mentioned problems, the cooked rice production apparatus according to claim 8 of the present invention comprises a foodstuff conveying apparatus according to claim 7, and cooked rice producing means that produces cooked rice of a predetermined weight and is mounted on the foodstuff conveying apparatus. and.

According to a ninth aspect of the present invention, there is provided a cooked rice production apparatus according to the eighth aspect of the invention, wherein the cooked rice producing means produces boiled rice with a target set weight value set to be less than the final target weight value. A first generating means for generating a certain main cooked rice and loading it on the first belt conveyor; It is a second generating means for generating supplementary cooked rice and supplementing the main cooked rice conveyed to the second belt conveyor transferred from the first belt conveyor with the supplementary cooked rice.

According to a tenth aspect of the present invention, there is provided the cooked rice production apparatus according to the eighth aspect of the invention, wherein the cooked rice producing means produces boiled rice with a target set weight value set to be smaller than the final target weight value. A second generation of generating supplementary cooked rice, which is cooked rice with a target supplementary weight value as a weight difference between the weight of a certain main cooked rice and the final target weight value, and loading the supplementary cooked rice on the first belt conveyor. and a first generating means for generating the main cooked rice and mounting the main cooked rice on the supplementary cooked rice conveyed to the second belt conveyor transferred from the first belt conveyor. characterized by

According to the present invention, the conveying surface of the first belt conveyor and the conveying surface of the second belt conveyor are flush with each other, and the descending portion of the first belt conveyor and the ascending portion of the second belt conveyor A predetermined interval is formed between the two belt conveyors, and they are arranged so as to overlap each other in a plan view. It becomes possible to transfer to the second belt conveyor of.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic diagram showing a cooked rice manufacturing apparatus equipped with a foodstuff conveying device according to an embodiment of the present invention; FIG. 2 is a schematic diagram showing a first weighing conveyor, a transporting conveyor, and a second weighing conveyor, which are foodstuff conveying devices that constitute the cooked rice conveying device of FIG. 1 ; FIG. 2 is a schematic diagram showing a state in which main cooked rice is loaded and conveyed on a first weighing conveyor in the foodstuff conveying device that constitutes the cooked rice conveying device of FIG. 1 ; FIG. 2 is a schematic diagram showing a state in which the main cooked rice is transferred from the first weighing conveyor to the transport conveyor in the foodstuff conveying device that constitutes the cooked rice conveying device of FIG. 1 ; FIG. 2 is a schematic diagram showing a state in which supplementary cooked rice is added to main cooked rice transported to a transport conveyor in the foodstuff transporting device that constitutes the cooked rice transporting device of FIG. 1 ; FIG. 2 is a schematic diagram showing a state in which main cooked rice supplemented with supplementary cooked rice is transferred from a transport conveyor to a second weighing conveyor in the foodstuff transporting device that constitutes the cooked rice transporting device of FIG. 1 ; FIG. 2 is a schematic diagram showing a state in which main cooked rice supplemented with supplementary cooked rice is transported by a second weighing conveyor in the foodstuff transporting device that constitutes the cooked rice transporting device of FIG. 1 ; (a) and (b) are schematic diagrams continuously showing cooked rice transported by a foodstuff transporting device as a modified example according to one embodiment of the present invention. FIG. 4 is a schematic diagram showing a foodstuff conveying device as another modified example according to one embodiment of the present invention; FIG. 10 is a schematic diagram showing a state in which the food processing apparatuses of FIG. 9 are arranged in tandem from the upstream side toward the downstream side; It is a schematic diagram showing an example of a conventional foodstuff conveying device.

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment as an example of the present invention will be described in detail below with reference to the drawings. In the drawings for describing the embodiments, in principle, the same components are denoted by the same reference numerals, and repeated description thereof will be omitted.

As shown in FIG. 1, the cooked rice manufacturing apparatus M of the present embodiment includes a first weighing conveyor (first belt conveyor) 3, a transfer conveyor (second A belt conveyor/first belt conveyor) 4 and a second weighing conveyor (second belt conveyor) 5 are arranged along the conveying direction from the upstream side to the downstream side.

In addition, from the positional relationship of the conveyors upstream and downstream in the conveying direction, the first weighing conveyor 3 is the first belt conveyor of the present invention, and the conveying conveyor 4 is the first belt conveyor of the present invention. It becomes the second belt conveyor. Further, in the transfer conveyor 4 and the second weighing conveyor 5, the second weighing conveyor becomes the first belt conveyor of the present invention, and the second weighing conveyor becomes the second belt conveyor of the present invention. Therefore, when there are three or more conveyors, the first belt conveyor is on the upstream side in the conveying direction, and the second belt conveyor is on the downstream side in the conveying direction.

Above the first weighing conveyor 3, the main cooked rice (ingredient) Rm, which is cooked rice as a food material with a set weight value set to be less than the final target weight value, is generated in a sheet form. A main cooked rice producing unit (first producing means: cooked rice producing means) 6 is arranged to send out the main cooked rice onto the first weighing conveyor 3 by means of the first means. In addition, above the conveyer 4, supplementary cooked rice (ingredient) Rs, which is cooked rice as a food material whose target is a supplementary weight value that is the weight difference between the weight of the main cooked rice Rm and the final target weight value, is generated and transported. A supplementary cooked rice producing unit (second producing means: cooked rice producing means) 7 for sending out onto the conveyor 4 is arranged.

Further, between the main cooked rice producing section 6 and the first weighing conveyor 3, the cooked rice fed from the main cooked rice producing section 6 is conveyed in a direction intersecting the conveying direction (here, a direction substantially perpendicular to the conveying direction). A cutter 8 is arranged for dividing and producing the main cooked rice Rm of a predetermined length. Then, the main cooked rice Rm divided and produced by the cutter 8 is carried on the first weighing conveyor 3 .

On the other hand, between the supplementary cooked rice production unit 7 and the transport conveyor 4, the cooked rice sent out from the supplementary cooked rice production unit 7 is divided in the direction intersecting the transport direction (here, the direction substantially orthogonal to the transport direction). A cutter 9 is provided for producing a predetermined length of cooked rice (the cooked rice sent out from the supplementary cooked rice producing unit 7 and divided by the cutter 9 is hereinafter referred to as "supplementary cooked rice Rs"). The supplementary cooked rice Rs divided and produced by the cutter 9 is placed on the main cooked rice Rm conveyed by the conveyer 4 .

The first weighing conveyor 3 and the second weighing conveyor 5 are provided with load cells 3m and 5m for weighing the cooked rice carried on the weighing conveyors 3 and 5, respectively.

The first weighing conveyor 3, the load cell 3m, the main cooked rice producing section 6 and the cutter 8 constitute a first processing section M1. Further, the conveyer 4, the supplementary cooked rice producing unit 7 and the cutter 9 constitute a second processing unit M2. The first weighing conveyor 3, the conveying conveyor 4, and the second weighing conveyor 5 constitute the foodstuff conveying apparatus of the present embodiment, the details of which will be described later.

With such a cooked rice manufacturing apparatus M, the sheet-shaped continuous cooked rice fed from the main cooked rice generating unit 6 is divided by the cutter 8 to generate the main cooked rice Rm, which is then mounted on the first weighing conveyor 3. . Then, it is transported while being weighed by the first weighing conveyor 3 and transferred to the transport conveyor 4 .

On the other hand, the cooked rice sent out from the supplementary cooked rice producing unit 7 is also divided by the cutter 9 to produce the supplementary cooked rice Rs, which is mounted on the main cooked rice Rm being conveyed by the conveyer 4, and the cooked rice of the final target weight is placed on the main cooked rice Rm. A lump is generated. Then, the cooked rice is transferred from the transport conveyor 4 to the second weighing conveyor 5, and the weight of the cooked rice consisting of the main cooked rice Rm and the supplementary cooked rice Rs is weighed. Although not shown, the second weighing conveyor 5 is connected to a dispensing device for dispensing the cooked rice to the next process. Note that the devices for the next process include, for example, a rice ball production device for producing rice balls by forming rice into a predetermined shape (for example, a triangle), a bento box rice serving device for serving cooked rice at a predetermined position in a lunch box container, and a laver It is a production device for products that require weight accuracy, such as a laver roll production device that produces seaweed rolls by wrapping them with sheets.

A lifter 12 for raising and lowering the cooked rice container 11 along a pair of vertical rails 10 extending in the vertical direction is provided on the side of the pedestal 2 (on the right side in FIG. 1). The lifter 12 lifts the cooked rice container 11 to the position of the hopper 13 installed at the top, and the reversing portion (not shown) provided at the upper end of the lifter 12 turns the cooked rice container 11 upside down toward the hopper 13 . The boiled rice in the container 11 is put into the hopper 13.

The hopper 13 is provided so as to commonly correspond to the main cooked rice producing section 6 and the supplementary cooked rice producing section 7 described above. In the hopper 13, there are provided a first loosening roller for loosening the thrown-in cooked rice, and a transport for conveying the cooked rice loosened by the first loosening roller to the main cooked rice producing section 6 and the supplementary cooked rice producing section 7. A roller and a second loosening roller (neither roller is shown) are provided for further loosening the cooked rice conveyed to the conveying roller. Furthermore, at the boundary between the hopper 13 and the main cooked rice producing section 6 and the supplementary cooked rice producing section 7, a branching plate 22 is installed to divide the cooked rice in the hopper 13 into the main cooked rice producing section 6 and the supplementary cooked rice producing section 7. ing. Therefore, the cooked rice loosened by the second loosening roller is branched by the branch plate 22 and introduced into the main cooked rice producing section 6 and the supplementary cooked rice producing section 7 described above.

An introduction roller 21 for introducing the cooked rice from the hopper 13 is provided in the main cooked rice producing section 6 . Further, below the introduction roller 21, a first roller pair 15, which is a pair of left and right rollers and has a total of two stages, is arranged in the vertical direction. In the first roller pair 15, the interval between the first roller pair 15b located in the lower stage is narrower than the interval between the first roller pair 15a located in the upper stage. Therefore, the cooked rice is sent downward from above by the first pair of rollers 15a and 15b, and is compression-molded into a sheet.

Further, below the first roller pair 15, a second roller pair 16, which is a pair of left and right rollers and has a total of two stages, is arranged in the vertical direction. Here, the interval between the second roller pairs 16 positioned below is narrower than the interval between the first roller pairs 15 . Also, the second roller pair 16 can be moved toward and away from each other.

Therefore, the first roller pair 15 feeds the cooked rice while compressing it downward. Then, it is further compressed by being sent to the second roller pair 16 and formed into a sheet. Since the second roller pair 16 can be moved toward and away from each other, the sheet-like continuous cooked rice sent from the first roller pair 15 is moved according to the interval between the second roller pairs 16. The thickness is adjusted and sent out.

In addition, a first pair of rollers 17, which is a left and right pair, is arranged in the supplementary cooked rice production unit 7. As shown in FIG. Below the first roller pair 17, a second roller pair 18, which is a pair of left and right rollers and has a total of two stages, is arranged in the vertical direction. Here, as in the main cooked rice producing section 6, the interval between the second roller pairs 18 positioned below is narrower than the interval between the first roller pairs 17. As shown in FIG. Also, the second roller pair 18 can move toward and away from each other.

Therefore, the first roller pair 17 feeds the cooked rice while compressing it downward, and then it is further compressed by being fed to the second roller pair 18 and formed into a sheet. Then, the sheet-like continuous cooked rice fed from the first roller pair 17 is fed with its thickness adjusted according to the interval of the second roller pair 18 .

On the side of the hopper 13 (on the left side in FIG. 1), settings such as the final target weight value T of the cooked rice to be produced, the set weight value Tm of the main cooked rice Rm, and the allowable weight values of the main cooked rice Rm and supplementary cooked rice Rs are set. An operation panel 19 for performing the operation and an operation switch 20 for operating and stopping the cooked rice manufacturing apparatus M are provided. Therefore, the operator can measure the cooked rice by the cooked rice manufacturing apparatus M by appropriately operating the operation panel 19 and the operation switch 20 .

Next, the details of the first weighing conveyor 3, the conveying conveyor 4, and the second weighing conveyor 5, which are the foodstuff conveying device according to the present embodiment, will be described with reference to FIG. Here, FIG. 2 is a schematic diagram showing the foodstuff conveying device of the present embodiment. In addition, illustration of the load cell is omitted, including the drawings described below.

In FIG. 2, the first weighing conveyor 3 includes an endless conveying belt 3a and a plurality of rollers (belt bridging members) 3b around which the conveying belt 3a is rotatable. The roller 3b is composed of a driving roller (driving member) 3ba that is rotated by a motor (not shown) to drive the conveying belt 3a to rotate, and a driven roller 3bb (3bbx, 3bby) that is rotated by the conveying belt 3a that is rotated by the driving roller 3ba. It is configured. Further, the roller 3b is arranged so as to form a turn-up end t at the upper part of the conveyer 4 side, and to form a descending portion D which descends from the turn-back end t at an acute angle, and can circulate around the conveying belt 3a. It spans over

In this first weighing conveyor 3, the drive roller 3ba with the largest diameter is arranged at the end opposite to the turn-back end t, and in FIG. It is a tail drive type conveyor that conveys cooked rice from the top to the left. A driven roller 3bbx having the smallest diameter is arranged at the folded end t. Further, a driven roller 3bby is arranged to form a descending portion D of the conveying belt 3a together with the driven roller 3bbx.

The transport conveyor 4 includes an endless transport belt 4a and a plurality of rollers (belt bridging members) 4b on which the transport belt 4a is rotatably stretched. The rollers 4b include a driving roller (driving member) 4ba that is rotated by a motor (not shown) to drive the conveying belt 4a to rotate, and a driven roller 4bb (4bbx, 4bby, 4bbz) that is rotated by the conveying belt 5a that is rotated by the driving roller 4ba. It consists of In addition, the roller 4b forms a turn-back end t at the lower portion of the first weighing conveyor 3 side, forms an ascending portion U that rises at an acute angle from the turn-back end t, and further forms the second weighing conveyor 5. A folded end t is formed at the upper part of the side, and a descent portion D that descends at an acute angle from the folded end t is formed, and the conveying belt 5a is stretched over it so as to be rotatable.

In this conveyer 4, the drive roller 4ba having the largest diameter is arranged between the turn-up end t on the side of the first weighing conveyor 3 and the turn-up end t on the side of the second weighing conveyor 5. Two driven rollers 4bbz arranged on both sides of the drive roller 4ba wrap around the lower winding region so as to span the drive roller 4ba. Therefore, the conveyer 4 is a center drive type conveyer that drives the conveyer belt 4a in the lower winding area of the conveyer belt 4a.

Further, the driven roller 4bbx with the smallest diameter is arranged at the two folded ends t described above. A driven roller 4bby is arranged for forming an ascending portion U of the conveying belt 5a together with the driven roller 4bbx on the first weighing conveyor 3 side. In addition, a driven roller 4bby for forming the descending portion D of the conveying belt 5a together with the driven roller 4bbx on the side of the second weighing conveyor 5 is arranged.

The second weighing conveyor 5 includes an endless conveying belt 5a and a plurality of rollers (belt bridging members) 5b around which the conveying belt 5a is rotatable. The roller 5b is composed of a driving roller (driving member) 5ba that is rotated by a motor (not shown) to drive the conveying belt 5a to rotate, and a driven roller 5bb (5bbx, 5bby) that is rotated by the conveying belt 5a that is rotated by the driving roller 5ba. It is configured. Further, the roller 5b is arranged so as to form a folded end t at a lower portion on the side of the conveyer 4, and to form an ascending portion U that rises from the folded end t at an acute angle, so that the roller 5b can circulate around the transport belt 5a. It spans over

In this second weighing conveyor 5, the drive roller 5ba with the largest diameter is arranged at the end opposite to the turn-back end t, and in FIG. It is a head drive type conveyor that conveys rice from the left side to the left side. A driven roller 5bbx having the smallest diameter is arranged at the folded end t. In addition, a driven roller 5bby is arranged to form an ascending portion U of the conveyor belt 5a together with the driven roller 5bbx.

Now, as shown in the figure, the conveying surface F of the first weighing conveyor 3 (the upper surface for conveying the cooked rice in the upper circulating area) and the conveying surface F of the conveyer 4 are flush with each other. The descending portion D of one weighing conveyor 3 and the ascending portion U of the transport conveyor 4 are arranged to overlap each other in plan view with a predetermined gap therebetween. Further, the conveying surface F of the conveyer 4 and the conveying surface F of the second weighing conveyor 5 are flush with each other, and the descending portion D of the conveying conveyor 4 and the ascending portion U of the second weighing conveyor 5 A predetermined interval is formed between them, and they are arranged so as to overlap each other in plan view.

In addition, when illustrated, the descending portion D of the first weighing conveyor 3 and the ascending portion U of the transport conveyor 4, the descending portion D of the transport conveyor 4 and the ascending portion U of the second weighing conveyor 5 are both approximately Parallel, but not necessarily parallel. However, in order to reduce the joints of the respective conveying surfaces F of the first weighing conveyor 3, the conveying conveyor 4, and the second weighing conveyor 5 and obtain continuity, the distance between them should be as close as possible. desirable.

Next, conveyance of cooked rice by the foodstuff conveying apparatus of this embodiment having such a configuration will be described with reference to FIGS. 3 to 7. FIG. Here, FIG. 3 is a schematic diagram showing a state in which the main cooked rice is loaded and transported on the first weighing conveyor, and FIG. 4 is a schematic diagram showing a state in which the main cooked rice is transferred from the first weighing conveyor to the transport conveyor. 5 is a schematic diagram showing a state in which the main cooked rice conveyed to the conveyer is supplemented with the supplementary cooked rice, and FIG. 6 is a schematic diagram showing the state in which the main cooked rice supplemented with the supplementary cooked rice is transferred from the carrier conveyor to the second weighing conveyor. FIG. 7 is a schematic diagram showing how the main cooked rice supplemented with supplementary cooked rice is conveyed to the second weighing conveyor.

In FIG. 3, the main cooked rice is divided by the cutter 8 in the main cooked rice producing unit 6 to produce the main cooked rice Rm having a predetermined weight, and when the main cooked rice Rm is mounted on (the conveying surface F of) the first weighing conveyor 3, the main cooked rice Rm is While being conveyed by the first weighing conveyor 3, weighing is performed by the load cell 3m.

Then, as shown in FIG. 4, the weighed main cooked rice Rm is transferred from the first weighing conveyor 3 to the transfer conveyor 4, and the supplementary cooked rice producing unit 7 produces supplementary cooked rice Rs. Here, when the main cooked rice Rm is transferred, an impact is generated when it passes through the joint between the conveying surface F of the first weighing conveyor 3 and the conveying surface F of the conveyer 4 . However, in this embodiment, since the transfer surface F of the first weighing conveyor 3 and the transfer surface F of the transfer conveyor 4 are flush with each other, the generated impact is reduced, so that the main cooked rice Rm Part of the cooked rice becomes difficult to peel off. In addition, when the main cooked rice Rm is molded into a predetermined shape (for example, a shape that matches the serving area of the lunch box container), deformation due to impact is suppressed.

Moreover, as described above, a predetermined gap is formed between the descending portion D of the first weighing conveyor 3 and the ascending portion U of the transfer conveyor 4, and they are arranged so as to overlap each other in plan view. . Therefore, as shown in FIG. 4, even if part of the cooked rice is separated from the main cooked rice Rm (even if the cooked rice indicated by the symbol Rmp is generated), the separated cooked rice Rmp is transferred to the first weighing conveyor 3. It is sandwiched between the descending portion D and the ascending portion U of the conveyer 4, and immediately after that, is conveyed obliquely upward by the ascending portion U of the conveyer 4 and returned to the main boiled rice Rm. As a result, dropping of the peeled cooked rice Rmp is suppressed, which is not only hygienic, but also reduces cooked rice loss. In addition, it is possible to prevent the dropped cooked rice Rmp from clogging the foodstuff conveying device or parts other than the foodstuff conveying device and causing a failure. Furthermore, since falling of the peeled cooked rice Rmp is suppressed, the weighing accuracy is improved.

Now, as shown in FIG. 5, when the main cooked rice Rm transferred to the transport conveyor 4 is conveyed and reaches directly below the supplementary cooked rice production unit 7, the supplementary cooked rice production unit 7 places the supplementary cooked rice Rs ( The cooked rice generated with the goal of the compensation weight value, which is the weight difference between the weight of the main cooked rice Rm and the final target weight value, is loaded.

Then, as shown in FIG. 6, the main cooked rice Rm loaded with the supplementary cooked rice Rs is transferred from the transfer conveyor 4 to the second weighing conveyor 5 . Here, too, the conveying surface F of the conveyer 4 and the conveying surface F of the second weighing conveyor 5 are flush with each other, so that the impact generated when the main cooked rice Rm is transferred is reduced, and the main cooked rice Rm is separated from the main cooked rice Rm. The cooked rice on the part becomes difficult to peel off. In addition, when the main cooked rice Rm is molded into a predetermined shape (for example, a shape that matches the serving area of the lunch box container), deformation due to impact is suppressed.

A predetermined gap is formed between the descending portion D of the transport conveyor 4 and the ascending portion U of the second weighing conveyor 5, and they are arranged so as to overlap each other in plan view. Therefore, even if part of the cooked rice is separated from the main cooked rice Rm, the separated cooked rice is removed from the lower portion D of the transfer conveyor 4, as in the case of transferring from the first weighing conveyor 3 to the transfer conveyor 4 (FIG. 4). and the ascending portion U of the second weighing conveyor 5, it is transported obliquely upward by the ascending portion U of the second weighing conveyor 5 and returned to the main cooked rice Rm. is suppressed and not only hygienic but also boiled rice loss is reduced. In addition, it is possible to prevent the dropped boiled rice from clogging the foodstuff conveying device or parts other than the foodstuff conveying device and causing a failure. Furthermore, since the peeled cooked rice is suppressed from falling, the weighing accuracy is improved.

Then, as shown in FIG. 7, the main cooked rice Rm transferred to the second weighing conveyor 5 (the main cooked rice Rm loaded with supplementary cooked rice Rs) is weighed by the load cell 5m while being conveyed by the second weighing conveyor 5. (final weighing) is performed. At this time, as described above, the impact when the main cooked rice Rm is transferred to the second weighing conveyor 5 is reduced, so that the weighing accuracy of the load cell 5m provided on the second weighing conveyor 5 is improved.

As described above, in the foodstuff conveying apparatus of the present embodiment, even if part of the cooked rice is peeled off from the main cooked rice Rm during the conveying process, the peeled cooked rice is removed from the ascending portion U of the conveyer 4 or the second Since the main cooked rice is returned to the main cooked rice Rm by the ascending portion U of the weighing conveyor 5, the peeled cooked rice is less likely to fall from the conveyors 3, 4, 5, and the weighing accuracy is improved.

Although the invention made by the present inventor has been specifically described based on the embodiments, the embodiments disclosed in this specification are illustrative in all respects and are limited to the disclosed technology. should think not. That is, the technical scope of the present invention should not be construed in a restrictive manner based on the description of the above embodiments, but should be construed according to the description of the scope of claims. All modifications are included as long as they do not deviate from the description technology and equivalent technology and the gist of the claims.

For example, in the present embodiment, three belt conveyors, that is, the first weighing conveyor 3, the conveying conveyor 4, and the second weighing conveyor 5, are arranged along the conveying direction from the upstream side to the downstream side. may be two or four or more. As described above, when three or more units are arranged, the upstream side in the conveying direction arranged adjacent to each other becomes the first belt conveyor in the present invention, and the downstream side in the conveying direction becomes the second belt conveyor in the present invention. . Furthermore, the first belt conveyor and the second belt conveyor may be weigh conveyors or transfer conveyors.

In this embodiment, the driven rollers 3bb, 4bb, and 5bb are all used as belt spanning members other than the driving roller 3ba. A folded plate made of a plate-like resin or metal having a low .DELTA.

In addition, the cooked rice production apparatus of the present embodiment generates the main cooked rice Rm with a target set weight value that is set to a weight smaller than the final target weight value, and in a subsequent process, the weight of the main cooked rice Rm and the final target weight value. It is a device of a method of producing supplementary cooked rice Rs, which is cooked rice targeting the supplementary weight value, which is the weight difference from the weight value, and supplementing the main cooked rice Rm, but it produces the cooked rice of the final target weight value in one time. It may be a system device.

FIG. 8 shows an apparatus in which two belt conveyors are arranged as an example of a foodstuff conveying apparatus in such a cooked rice manufacturing apparatus. In the case of illustration, cooked rice (ingredient) R produced to a predetermined weight is mounted on a first belt conveyor (for example, a conveying belt conveyor or a weighing belt conveyor) 31 (FIG. 8(a)), It is a foodstuff conveying device that conveys food by transferring it to a second belt conveyor (for example, a weighing belt conveyor or a conveying belt conveyor) 32 arranged on the downstream side (FIG. 8(b)). This foodstuff conveying apparatus is obtained by removing the conveying conveyor 4 from the foodstuff conveying apparatus shown in FIG.

The first and second belt conveyors 31 and 32 are composed of endless conveying belts 31a and 32a and rollers 31b and 32b around which the conveying belts 31a and 32a are rotatable. The rollers 31b and 32b are drive rollers 31ba and 32ba that are rotated by a motor to drive the conveyor belts 31a and 32a to rotate, and driven rollers 31bb and 32bb that are rotated by the conveyor belts 31a and 32a that are rotated by the drive rollers 31ba and 32ba. It consists of

The rollers 31b of the first belt conveyor 31 are arranged so as to form a turn-up end t at the upper part of the second belt conveyor 32 side, and form a descending portion D that descends from the turn-back end t at an acute angle. , the conveying belt 31a is rotatably stretched. Further, the rollers 32b of the second belt conveyor 32 form a folded end t at the lower portion on the side of the first belt conveyor 32, and form an ascending portion U that rises at an acute angle from the folded end t. It is arranged and spans the conveying belt 32a so as to be rotatable.

The conveying surface F of the first belt conveyor 31 and the conveying surface F of the second belt conveyor 32 are flush with each other, and the descending portion D of the first belt conveyor 31 and the second belt conveyor It is arranged so that it overlaps with the ascending portion U of 32 in a plan view while forming a predetermined interval.

As described above, the foodstuff conveying apparatus shown in FIG. 8 is suitable for the method of producing the cooked rice R having the final target weight value at one time.

Further, the conveying conveyor 4, which is a center drive type conveyor in the foodstuff conveying apparatus of the present embodiment, has the first weighing conveyor 3 on the upstream side and the second weighing conveyor 5 on the downstream side. The upstream side forms an ascending portion U that rises at an acute angle from the folded end t, and the downstream side forms a descending portion D that descends at an acute angle from the folded end t. If so, the non-arranged side need not form the rise U or the fall D.

Furthermore, as shown in FIG. 9, when the belt conveyor 41 is a center drive type conveyor, the upstream side forms an ascending portion U that rises at an acute angle from the turn-around end t, and the downstream side rises at an acute angle from the turn-around end t. By forming the descent portion D that slopes downward, as shown in FIG. 10, a plurality of belt conveyors 41a, 41b, and 41c can be arranged in series from the upstream side to the downstream side.

Furthermore, in the cooked rice producing means of the present embodiment, the main cooked rice Rm produced by the main cooked rice production section 6 (the cooked rice whose weight is set to be less than the final target weight value) is the first The supplementary cooked rice Rs (cooked rice whose target is the supplementary weight value, which is the weight difference between the weight of the main cooked rice Rm and the final target weight value), which is mounted on the weighing conveyor 3 and generated by the supplementary cooked rice production unit 7, is the first rice. The structure is such that the main cooked rice Rm conveyed to the second belt conveyor 4 transferred from the weighing conveyor 3 is supplemented. The structure may be such that the main cooked rice Rm is mounted on the cooked rice Rs.

That is, the cooked rice production means is composed of a supplementary cooked rice production unit 7 that produces supplementary cooked rice Rs and loads it on the first weighing conveyor 3, and a second belt that produces main cooked rice Rm and transfers from the first weighing conveyor 3. It may be configured with the main cooked rice production unit 6 mounted on the supplementary cooked rice Rs conveyed to the conveyor 4 .

In the above description, the foodstuff conveying apparatus of the present invention is not limited to conveying boiled rice, but rather foodstuffs made of powdered or granular raw materials (for example, barley, sweets, etc.) that are likely to cause loss when conveyed by a belt conveyor. Also, it can be applied to convey various food materials such as raw food materials that are relatively easily deformed (for example, hamburger dough).

3 First weighing conveyor (first belt conveyor)
3a transport belt 3b roller (belt bridging member)
3ba drive roller (drive member)
3bb, 3bbx, 3bby driven roller 3m load cell 4 transport conveyor (second belt conveyor/first belt conveyor)
4a Conveyor belt (belt bridging member)
4b roller (belt bridging member)
4ba drive roller (drive member)
4bb, 4bbx, 4bby, 4bbz driven roller 5 second weighing conveyor (second belt conveyor)
5a Conveyor belt (belt bridging member)
5b roller (belt bridging member)
5ba drive roller (drive member)
5bb, 5bbx, 5bby Driven roller 5m Load cell 6 Main cooked rice production section (first production means: cooked rice production means)
7 Supplementary cooked rice generation unit (second generation means: cooked rice generation means)
31 First belt conveyor 31a Conveyor belt 31b Roller 31ba Driving roller 31bb Driven roller 32 Second belt conveyor 32a Conveyor belt 32b Roller 32ba Drive roller 32bb Driven rollers 41, 41a, 41b, 41c Belt conveyor D Descending section F Conveying surface M Cooked rice manufacturing device R Cooked rice (ingredients)
Rm main rice (ingredients)
Rmp, Rp Cooked rice (peeled cooked rice)
Rs Supplementary rice (ingredients)
U Rising part t Folding end

Claims (10)

Foodstuff having a first belt conveyor and a second belt conveyor disposed downstream of the first belt conveyor in the conveying direction, and conveying the food from the first belt conveyor to the second belt conveyor. A conveying device,
The first belt conveyor,
a conveyor belt formed in an endless shape;
A drive member for circulating the conveying belt is included, and the conveying belt is rotatably stretched so as to form a descending portion that descends at an acute angle from a folded end formed on the upper side of the second belt conveyor. and a plurality of belt spanning members,
The second belt conveyor,
a conveyor belt formed in an endless shape;
A drive member for circulating the conveying belt is included, and the conveying belt is rotatably stretched so as to form an ascending part that rises at an acute angle from a folded end formed at the lower part on the side of the first belt conveyor. and a plurality of belt spanning members,
The conveying surface of the first belt conveyor and the conveying surface of the second belt conveyor form the same plane, and the descending portion of the first belt conveyor and the ascending portion of the second belt conveyor A predetermined interval is formed between and overlaps in plan view,
A foodstuff conveying device characterized by: At least one of the first belt conveyor and the second belt conveyor,
the driving member constituting the belt spanning member is a driving roller rotated by a motor;
The belt bridging member other than the driving roller is a driven roller rotated by the conveying belt that is rotated by the driving roller,
2. The foodstuff conveying apparatus according to claim 1, characterized in that: At least one of the first belt conveyor and the second belt conveyor,
the driving member constituting the belt spanning member is a driving roller rotated by a motor;
The belt bridging member other than the drive roller is a folded plate installed at the folded end, and a driven roller that is installed at a location other than the folded end and rotated by the conveying belt that is rotated by the driving roller.
2. The foodstuff conveying apparatus according to claim 1, characterized in that: The driving roller is arranged at the end opposite to the folded end,
4. The foodstuff conveying apparatus according to claim 2 or 3, characterized in that: The driving roller is disposed between the folded end of the conveying belt and the end opposite to the folded end, and drives the conveying belt in a lower circumferential region of the conveying belt.
4. The foodstuff conveying apparatus according to claim 2 or 3, characterized in that: The belt bridging member of the first belt conveyor further forms an ascending portion that rises at an acute angle from a folded end formed on the opposite side to the second belt conveyor. and
The belt bridging member of the second belt conveyor further forms a descending portion that descends at an acute angle from a folded end formed on the upper side opposite to the first belt conveyor. straddling the
6. The foodstuff conveying apparatus according to claim 5, characterized in that: The food material is rice,
The food processing apparatus according to any one of claims 1 to 6, characterized in that: The food material conveying device according to claim 7;
Cooked rice producing means for producing cooked rice of a predetermined weight and mounted on the foodstuff conveying device;
A cooked rice manufacturing apparatus characterized by having The cooked rice generating means includes:
a first generating means for generating main cooked rice, which is cooked rice with a target set weight value set to be less than the final target weight value, and mounting the main cooked rice on the first belt conveyor;
The supplementary cooked rice, which is cooked rice whose target is the supplementary weight value that is the weight difference between the weight of the main cooked rice and the final target weight value, is generated, and the supplementary cooked rice is transferred from the first belt conveyor to the second conveyor. A second generating means for supplementing the main cooked rice conveyed on a belt conveyor,
The cooked rice manufacturing apparatus according to claim 8, characterized in that: The cooked rice generating means includes:
Supplementary cooked rice, which is cooked rice whose target is a compensation weight value, which is the weight difference between the weight of the main cooked rice, which is the set weight value set to be less than the final target weight value, and the final target weight value a second generating means for generating and mounting the supplementary cooked rice on the first belt conveyor;
A first generating means for generating the main cooked rice and mounting the main cooked rice on the supplementary cooked rice transported to the second belt conveyor transferred from the first belt conveyor,
The cooked rice production apparatus according to claim 8, characterized in that:

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