JP3654517B2 - Plate supply mechanism in sushi production equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a so-called rotating sushi manufacturing apparatus, and more particularly, to an improvement in a dish supply mechanism.
[0002]
[Prior art]
A conventional form of sushi is that a plate on which sushi is placed is placed on a conveyor and conveyed, and a customer takes the sushi plate and eats it as desired. In the production of such rotating sushi, automatic production is possible by equipment equipped with a unit for automatically supplying dishes, a unit for producing sushi balls, and a mounting unit for placing the produced sushi balls on a plate. . In other words, sushi balls are produced by mounting sushi balls produced from a sushi ball production unit on a plate that has been automatically supplied, and placing the material on the sushi balls on the plate supplied to the transport line. Can do. The manufactured sushi is placed on a plate and placed on a conveyor that circulates in the store, and then provided to customers.
[0003]
[Problems to be solved by the invention]
The plate supply mechanism in the conventional sushi production apparatus is to supply on the line one piece at a time that is located at the lower end of a plurality of stacked plates. However, since the dishes are washed with water before being supplied to the line, they are easily adsorbed by the water between the stacked dishes. In particular, when washing with hot water, steam is generated in the space between the dishes, resulting in a negative pressure, so that the class adsorption force between the dishes becomes strong. Thus, when the adsorption | suction between dishes generate | occur | produces, only the lowest end thing cannot be cut out among the laminated | stacked dishes, but it will be supplied on a line in the state which overlapped with 2 sheets or 3 sheets. Therefore, the operator needs to perform an operation for eliminating such overlapping of the plates, which increases the work load and sometimes has to stop the line.
[0004]
In addition, since the transport conveyor of the transport line always moves at a constant speed, when the number of plates is too large, the plates interfere with each other and cannot smoothly run. In other words, when collision interference occurs between the dishes, the front and rear dishes in the conveyance direction are placed on each other, and the conveyance of the dishes is likely to meander or fall off the line.
[0005]
As described above, the conventional sushi production apparatus often causes troubles in supplying and transporting dishes.
[0006]
Then, an object of this invention is to provide the dish conveyance mechanism in the sushi manufacturing apparatus which can convey the sheet | seat one by one reliably from the laminated | stacked dish.
[0007]
[Means for Solving the Problems]
The present invention provides a sushi manufacturing apparatus comprising a station for supplying dishes one by one and mounting a ball on the dish, and a transport line arranged in series with the station for transporting the dishes. A turntable having a plurality of stockers that detachably hold the plates in a stacked state is provided, and a supply unit that supplies the plates to the transport line is provided below the turntables, and the turntables are stacked on the stockers. An opening for dropping the tray into the supply means is provided, and the opening is provided with a holding means for holding and releasing the stacked dishes and a peeling means for peeling between the upper and lower dishes.
[0008]
In such a configuration, the holding means is an engaging claw that appears and disappears in the opening, and the peeling means is a slider that is arranged above the engaging claw and protrudes and appears in the opening. The slider and the cam can be linked and operated.
[0009]
Moreover, it is good also as a structure provided with the distribution means for transferring the tray from the said supply means to 2 directions in the said conveyance line connected to the said supply means.
[0010]
Further, the transport line is composed of a plurality of transport belts and includes a tray detection sensor for detecting a tray located at the upstream end of each belt, and when the stopped tray is detected by the tray detection sensor. A configuration in which the running speed of the belt is reduced can also be adopted.
[0011]
In this case, the width of the belt of the transport line is 55 mm to 85 mm, the surface friction coefficient is about 0.2, the inner diameter of the leg portion provided at the lower end is made of melamine and the outer diameter is about 90 mm. The friction coefficient of the bottom surface of the leg can be about 0.4.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
In this invention, when feeding the plate laminated | stacked on the stocker to the supply means to the conveyance line direction from an opening, a plate can be hold | maintained by the holding means which hold | maintains a plate in the opening of a turntable provided with a stocker detachably. And by providing the mechanism which cancels | releases the holding | maintenance by a holding means, a dish can be supplied on a supply means from opening. At the time of supply of this dish, the peeling means can peel the upper and lower dishes, so that the lowermost dish can be peeled from the upper dish and fed to the supply means from the opening. Therefore, the upper and lower dishes can be reliably separated even if the dishes adhere to each other due to water drops when laminating after washing the dishes with hot water or the negative pressure is generated by the steam in the legs of the dishes. Can be fed into the supply means.
[0013]
In addition, the holding means is an engaging claw that appears and disappears in the opening, and the peeling means is a slider that is disposed above the engaging claw and protrudes and appears in the opening so that the engaging claw and the slider can be operated by a cam. In the apparatus, the holding, peeling and cutting operations of the dish can be performed by controlling the movement of the engaging claw and the slider by the rotation of the cam.
[0014]
In the case where the transfer line connected to the supply means is provided with a sorting means for transferring the dishes from the supply means in two directions, the dishes supplied from the supply means are sequentially supplied to the left and right transfer lines, for example. And the overall length of the transfer line can be increased.
[0015]
The conveyor line is composed of a plurality of stages of conveyor belts, and includes a dish detection sensor that detects a dish positioned at the upstream end of each stage of the belt, and the belt travels when the stopped dish is detected by the dish detection sensor. In the case where the speed is reduced, the running speed of the belt is reduced when the plate is full on the belt of each stage, so that it is possible to prevent the plates from climbing up.
[0016]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0017]
FIG. 1 is a plan view showing a main part of a sushi manufacturing apparatus provided with a dish supply device and a dish transport mechanism of the present invention, and FIG. 2 is a plan view showing the main part in an enlarged manner.
[0018]
In the figure, a sushi manufacturing apparatus according to the present embodiment includes a station 1 for manufacturing a sardine ball, supplying a plate, and mounting a sardine ball on a plate, and a transport line 2 arranged in connection with the station 1. It is composed of
[0019]
The station 1 is equipped with a ball forming unit 3 for forming two balls each, a plate supply unit 4 for feeding the plates one by one, and a ball A from the ball forming unit 3 on the plate. A mounting arm 5 is disposed.
[0020]
The chatter ball forming unit 3 separates and forms the supplied chatter into two belt-shaped chatters, and separates the chatter into the amount of chatter balls from the belt-shaped chatter. The shaving can be supplied into a forming hole provided in the turntable 3a for conveyance. Then, by pressing with a mold (not shown) arranged above and below the turntable 3a, two balls each are formed on the turntable 3a. The turntable 3a rotates intermittently, and the ball A is mounted on the plate 50 supplied from the plate supply unit 4 by the mounting arm 5 that operates in synchronization with the rotation of the turntable 3a. That is, the mounting arm 5 can be rotated from the position indicated by the solid line in FIG. 1 and FIG. 2 to the position indicated by the alternate long and short dash line, and a holding mechanism (not shown) capable of simultaneously holding the two balls A on the bottom surface. ). Then, after the mounting arm 5 grips the ball A on the turntable 3a at the position indicated by the solid line, the mounting arm 5 rotates counterclockwise to the position of the one-dot chain line. 2 can be released and the two balls can be mounted on the plate 50 supplied from the plate supply unit 4.
[0021]
Between the tray supply unit 4 and the conveying line 2, the supply belt 6 of the tray 50 is arranged as a supply means. The supply belt 6 is an endless belt connected to a drive motor (not shown), and can be intermittently run in synchronism with the rotation of the mounting arm 5. Between the end of the supply belt 6 and the conveyance line 2, a roller row 6 a for lowering the conveyance line 2 side and feeding the dish 50 to the conveyance line 2 is disposed.
[0022]
In the conveyance line 2, a sorting belt 2a is arranged at a connection portion with the roller row 6a, and a group of conveyance belts 2b and 2c are arranged on the left and right sides of the sorting belt 2a. The sorting belt 2a is connected to a drive unit 2a-1 having a built-in motor and is intermittently driven in the left-right direction. That is, after one dish 50 is supplied to the belt 2b side, the next dish 50 is supplied to the belt 2c side so that each dish 50 is sorted and transported to the left and right. The right conveyor belt 2b is wound around a pulley 2d and travels to the right by a motor (not shown), and the left conveyor belt 2c is wound around a pulley 2e and left by a motor (not shown). Drive towards
[0023]
Further, as shown in FIG. 1, a dish detection sensor 2g for detecting the presence of the dish 50 is provided at the joint portion of the conveyor belt 2b. When this dish detection sensor 2g detects a dish 50 stopped on the upstream end side of each conveyor belt 2b, it informs the controller (not shown) that a full dish 50 is mounted on the corresponding conveyor belt 2b. input. Then, it is assumed that the conveyor belt 2b is controlled by this input so that its traveling speed is reduced.
[0024]
3A and 3B are diagrams showing the relationship between the size of the plate 50 and the belt 2b, in which FIG. 3A is a bottom view and FIG. 3B is a longitudinal sectional view of the main part.
[0025]
A pulley 2d driven by a motor (not shown) is rotatably supported by a pair of guide frames 2f. And the leg part 50a of the tray 50 is mounted on the upper surface of the belt 2b which is wound around the pulley 2d and travels. Here, when the outer diameter D of the leg portion 50a is 100 mm and the inner diameter is 94 mm, the width W of the belt 2b is about 55 to 85 mm. The friction coefficient of the surface of the belt 2b is about 0.2, and when the plate 50 is made of melamine, the friction coefficient of the bottom surface of the leg portion 50a is about 0.4. Thus, the friction between the belt 2b and the leg part 50a can be reduced by making the width of the belt 2b smaller than the leg part 50a and the relationship between the friction coefficient of the belt 2b and the leg part 50a. Therefore, when the belt 2b is running, even if the succeeding tray 50 hits the preceding tray 50, the tray 50 slips on the belt 2b. For this reason, even if the belt 2b continues traveling, when the preceding and subsequent dishes 50 are in contact with each other and are congested, the dishes 50 will not slip and the subsequent dishes 50 will not be placed on the preceding dishes 50. The same applies to the left-arranged belt 2c. In FIG. 3, the reference numerals of the members related to the left-arranged belt 2c are indicated with parentheses.
[0026]
Returning to FIGS. 1 and 2, the dish supply unit 4 arranged in the station 1 has four stockers 7 detachably attached on a turntable 4 a that is intermittently rotated by a motor (not shown). As shown in FIG. 4, the stocker 7 is manufactured using a metal wire, and includes four support columns 7a. Each of the lower end and the upper end of the support column 7a is connected to the portion excluding the adjacent two support columns 7a by an arc-shaped connection band 7b. An annular body 7c is connected above the upper connection band 7b, and two support bars 7d are integrated with the annular body 7c.
[0027]
In such a stocker 7, as shown in FIG. 4B, the cleaned dishes 50 can be assembled from the lower end of the stocker 7 in the vertical direction. In this case, if the stocker 7 is turned upside down, the plate 50 can be assembled from the connecting band 7b portion on the lower end side of the stocker 7. Then, after setting the plate 50, the plate 50 can be held by narrowing down the two columns 7a not connected by the connecting band 7b, and can be installed in the plate supply unit 4 in this state. .
[0028]
FIG. 5 is a cross-sectional view showing a state in which the stocker 7 is mounted on the turntable 4 a of the dish supply unit 4. The stocker 7 has a connecting band 7b at the base end thereof detachably attached by a fixture 4b. And the opening 4c of the magnitude | size which can pass the plate | pan 50 through the stocker 7 is opened. The openings 4c are configured such that one opening 4c is positioned directly above the supply belt 6 when the turntable 4a rotates at an angular pitch of 90 °. Further, the lowermost end portion of the stacked dishes 50 held by the stocker 7 is buried in the opening 4c, and the individual dishes 50 are mounted on the supply belt 6 by a cutting mechanism described in FIG. The
[0029]
As shown in FIG. 6, a peeling slider 8 and a pair of engaging claws 9 are provided around the inner periphery of the opening 4 c. The slider 8 is movable in the center direction of the opening 4c, and forms a protrusion 8a protruding outward from the outer periphery of the turntable 4a. The pair of engaging claws 9 are located below the slider 8 and are disposed opposite to each other in the radial direction of the opening 4c. The engaging claw 9 is connected to the slider 8 by a link rod 10b having a support shaft 10a rotatably attached to the turntable 4a.
Further, a receiving seat 11 that can be moved up and down by a cylinder (not shown) is disposed directly below the opening 4c. The receiving seat 11 can receive and mount the bottom end of the tray 50 held by the stocker 7, and can transfer the tray 50 onto the supply belt 6 when the tray 50 is lowered. It is what.
[0030]
On the other hand, a cam 12 that is rotationally driven by a motor (not shown) is provided on the upper surface of the station 1. The cam 12 is disposed at a position away from the outer periphery of the turntable 4a, and its peripheral surface is brought into contact with the protrusion 8a of the slider 8 as shown in FIG.
[0031]
In FIG. 6B, the supply belt 6 is arranged in a direction orthogonal to the drawing, but the posture shown in the figure is used for easy understanding. The same applies to the drawings after FIG.
[0032]
The state of FIG. 6 shows a state in which the stacked body of the dishes 50 held by the stocker 7 is inserted into the opening 4c. At this time, the slider 8 is positioned outside the inner periphery of the opening 4c, and the engaging claw 9 protrudes inward from the inner periphery of the opening 4c. As a result, the lowermost tray 50 is held by the engaging claw 9 and is simultaneously supported by the receiving seat 11. Then, when the cam 12 rotates counterclockwise as shown in FIG. 7, the peripheral surface of the cam 12 pushes the protrusion 8a of the slider 8 toward the center of the opening 4c. As a result, the slider 8 enters the opening 4c, and at the same time, the link rod 10b rotates so as to open around the support shaft 10a, thereby retracting the engaging claw 9 to the inner peripheral side of the opening 4c. At this time, the lowermost plate 50 is held by the receiving seat 11.
[0033]
When the cam 12 further rotates as shown in FIG. 8, the receiving seat 11 starts to descend simultaneously with the maximum amount of movement toward the inside of the opening 4c of the slider 8. At this time, the lowermost tray is held by the receiving seat 11 and the upper tray 51 is engaged with the slider 8. That is, the plate 51 placed on the plate 50 held by the receiving seat 11 is separated from the plate 50 by the engagement by the slider 8, and the plate 51 and the plate 50 are separated. Therefore, even if the dishes 50 and 51 are in close contact with each other with water droplets or the space in the legs of the dish 51 is negative pressure due to steam, it is possible to reliably separate the lowermost dish 50 and the upper dish 51. it can.
[0034]
When the cam 12 further rotates as shown in FIG. 9, the slider 8 moves back to the retracted position, and at the same time, the engaging claw 9 advances to the inside of the opening 4c. As a result, the tray 51 is held by the engaging claws 9, and the lowermost tray 50 is held only by the receiving seat 11 without being connected to the slider 8 and the engaging claws 9. In FIG. 9, the upper surface of the lowermost plate 50 appears to be in contact with the lower end of the leg of the upper plate 51, but the plates 50 and 51 are actually separated by the lowering of the receiving seat 11. . When the receiving seat 11 is lowered in this state, the tray 50 held by the receiving seat 11 is transferred onto the supply belt 6 as shown in FIG. During this time, the cam 12 continues to rotate and returns to the initial position shown in FIG. 6, and thereafter, the dishes are transferred onto the supply belt 6 one by one in the order of FIGS. 6 to 10 and cut out.
[0035]
In the above configuration, the stocker 7 in the posture shown in FIG. 4 is turned upside down, and the dishes 50 are assembled in order from the connecting band 7b side at the lower end, and the dishes 50 are placed in the stocker 7 as shown in FIG. Are laminated. In the posture in which the stocker 7 is turned upside down, the stacked dishes 50 are supported by the annular body 7c and the support bar 7d, so that the dishes 50 do not fall off.
[0036]
The stocker 7 on which the dishes 50 are stacked is fixed to the turntable 4a of the dish supply unit 4 via the fixture 4b as shown in FIG. In such a fixing operation, it is only necessary to fix the stocker 7 holding the stacked dishes 50 to the turntable 4a. Therefore, the operation can be simplified as compared with the case where each plate is stacked on the turntable 4a. Can do. By setting the four stockers 7 on the turntable 4a, preparations for manufacturing work are completed, and the empty stocker 7 can be continuously manufactured by replacing it with a stack of dishes 50.
[0037]
At the time of manufacturing sushi, the cradle ball forming unit 3 operates to place the cradle balls A on the turntable 3a two by two and the mounting arm 5 operates. At the same time, the cam 11 is rotationally driven, the supply belt 6 is intermittently driven, and the sorting belt 2a and the belts 2b and 2c are also driven.
[0038]
In the tray supply unit 4, each tray 50 is transferred onto the supply belt 6 according to the procedure shown in FIGS. 6 to 10. That is, the tray 50 stacked on the stocker 7 is separated as shown in FIG. 8 by the slider 8 being inserted between the lowermost tray 50 and the upper tray 51. In such a separation process using the slider 8, the insertion of the slider 8 brings the upper surface of the plate 50 into close contact with the lower end of the leg portion of the plate 51. Even if it is, the dishes 50 and 51 can be reliably separated.
[0039]
The tray 50 mounted on the supply belt 6 is intermittently fed in the direction of the roller row 6 a, and the ball A on the turntable 3 a is mounted on the tray 50 by the mounting arm 5 on the way. Then, the dish 50 on which the ball A is mounted reaches the roller row 6a and reaches the distribution belt 2a by the inclination of the roller row 6a. The sorting belt 2a repeats a right feed or a left feed every time one tray 50 arrives, and one tray 50 is alternately supplied to the belts 2b and 2c. The sushi is completed when the worker S arranged along the transport line 2 places the material B on the ball A on the plate 50 supplied to the belts 2b and 2c as shown in FIG.
[0040]
Since the belts 2b and 2c and the leg part 50a of the plate 50 thereon have a small contact area as shown in FIG. 3, the friction between the belt 2b and the leg part 50a can be reduced. Therefore, when the belts 2b and 2c are running, even if the succeeding tray 50 hits the preceding tray 50, the tray 50 slips on the belts 2b and 2c. For this reason, even if the belt 2b continues to run, when the preceding and subsequent trays 50 abut against each other and are congested, the tray 50 does not slip and the succeeding tray 50 does not rest on the preceding tray 50.
[0041]
Here, in FIG. 1, it is assumed that the plurality of belts 2b wound around the pulley 2d are driven to run by independent motors (not shown). A stopper 2h for preventing the plate 50 from proceeding is disposed on the last stage belt 2b located at the right end in the drawing. By providing such a stopper 2h, the supplied first dish 50 is stopped by the stopper 2h, and the subsequent dishes 50 are sequentially accumulated on the belt 2b.
[0042]
On the other hand, a dish detection sensor 2g is provided at a position corresponding to the upstream end of the belt 2b at each stage. The dish detection sensor 2g detects the stopped dish 50, and inputs to the controller (not shown) that a full dish 50 is mounted on the belt 2b of each stage. When this input is received, the motor that drives the belt 2b at each stage is controlled to reduce the running speed of the belt 2b. By such an operation, it is possible to reduce the moving speed of the plate 50 and to prevent the plates 50 from being put up by utilizing the slip of the plate 50 on the belt 2b. The same applies to the belt 2c arranged on the left.
[0043]
In this way, in the present invention, each tray 50 can be reliably cut out from the tray supply unit 4 onto the supply belt 6, so that two or more trays are not supplied in a stacked state. . Therefore, it is not necessary for the operator S to make corrections or stop the line, and productivity can be improved.
[0044]
In addition, since the sorting belt 2a is disposed at the connection portion between the supply belt 6 and the conveyance line 2, the tray 50 can be supplied to the right belt 2b and the left belt 2c. Accordingly, the entire length of the transfer line 2 can be increased, and continuous mass production is possible.
[0045]
Further, the plate detection sensor 2g disposed at the upstream end of the belt 2b at each stage reduces the running speed of the belt 2b when the plate 50 is full on the belt 2b. Line maintenance is planned.
[0046]
【The invention's effect】
In the invention of claim 1, since the peeling means can peel the upper and lower dishes, the lowermost dish can be peeled from the upper dish and fed into the supply means from the opening. Therefore, the upper and lower dishes can be reliably separated even if the dishes adhere to each other due to water drops when laminating after washing the dishes with hot water or the negative pressure is generated by the steam in the legs of the dishes. Can be fed into the supply means.
[0047]
According to the second aspect of the present invention, the operation of holding, peeling and cutting out the dish can be easily performed by controlling the movement of the engaging claw and the slider by the rotation of the cam.
[0048]
In the invention of claim 3, the dishes supplied from the supply means can be sequentially supplied to the left and right transfer lines, for example, and the entire length of the transfer line can be increased.
[0049]
According to the fourth aspect of the present invention, the running speed of the belt is reduced when the plate is full on the belt of each stage of the transport line, so that the plates can be prevented from being put on each other.
[0050]
In the invention of claim 5, even if the succeeding dish hits the preceding dish, the dish slips on the belt, so that the succeeding dish is not placed on the preceding dish.
[Brief description of the drawings]
FIG. 1 is a plan view showing a main part of a sushi production apparatus provided with a dish supply apparatus and a dish transport mechanism according to the present invention.
FIG. 2 is an enlarged plan view showing a main part of the sushi production apparatus.
FIGS. 3A and 3B are diagrams showing the sizes of a conveyor belt and a plate, wherein FIG. 3A is a bottom view, and FIG. 3B is a longitudinal sectional view.
4A and 4B are details of the stocker, in which FIG. 4A is a perspective view, and FIG. 4B is a perspective view showing the stacked and stored dishes in phantom lines.
FIG. 5 is a diagram showing a state in which a stocker is arranged on a turntable of a dish supply unit.
6A and 6B are views showing a state in which a stack of plates held by a stocker is held by an engaging claw, wherein FIG. 6A is a plan view showing positions of a slider and an engaging claw, and FIG. The longitudinal cross-sectional view which shows the position of an engaging claw, (c) is a longitudinal cross-sectional view which shows the position of a slider.
7A and 7B are views showing a state in which a stack of plates is held by a receiving seat, wherein FIG. 7A is a plan view showing the positions of the slider and the engaging claws, and FIG. 7B shows the positions of the engaging claws. The longitudinal cross-sectional view which shows, (c) is a longitudinal cross-sectional view which shows the position of a slider.
FIGS. 8A and 8B are diagrams showing a state in which the lowermost plate and the upper plate are separated, in which FIG. 8A is a plan view showing the positions of the slider and the engaging claws, and FIG. 8B shows the positions of the engaging claws; A longitudinal section, (c) is a longitudinal section showing a position of a slider.
FIG. 9 is a view showing a state in which the lowermost tray is held by a receiving seat and the upper plate is held by an engaging claw, wherein (a) is a plan view showing the positions of the slider and the engaging claw; (B) is a longitudinal cross-sectional view which shows the position of an engaging claw, (c) is a longitudinal cross-sectional view which shows the position of a slider.
FIGS. 10A and 10B are diagrams showing a state in which the lowermost tray is transferred from the stacked trays to the supply belt, wherein FIG. 10A is a plan view showing the positions of the slider and the engaging claws, and FIG. The longitudinal cross-sectional view of the principal part which shows the position of the nail | claw and the plate transferred to the supply belt, (c) is the longitudinal cross-sectional view of the principal part which shows the position of the slider and the plate transferred to the supply belt.
[Explanation of symbols]
1 Station 2 Conveying line 2a Sorting belt 2a-1 Drive unit 2b, 2c Conveying belt 2d, 2e Pulley 2f Guide frame 2g Dish detection sensor 2h Stopper 3 Shading ball forming unit 3a Turntable 4 Dish supply unit 4a Turntable 4b Fixing tool 4c Opening 5 Mounting arm 6 Supply belt (supply means)
6a Roller row 7 Stocker 7a Post 7b Connection band 7c Annular body 7d Support bar 8 Slider (peeling means)
8a Protrusion 9 Engaging claw (holding means)
10a Support shaft 10b Link rod 11 Receiving seat 12 Cam 50 Plate 50a Leg 51 Plate A Shaving ball B Material S Worker

Claims (5)

In a sushi production apparatus comprising a station for supplying dishes one by one and mounting a ball on the dish, and a transport line arranged in series with the station for conveying the dishes, the plates are stacked in the station. A turntable having a plurality of stockers that are detachably attached thereto, and a supply means that supplies the dishes to the transport line below the turntable, and the turntable includes the dishes stacked on the stockers. The dish in the sushi manufacturing apparatus is provided with an opening for dropping into the supply means, and provided with a holding means for holding and releasing the stacked dishes and a peeling means for peeling between the upper and lower dishes. Supply mechanism. The holding means is an engaging claw that appears and disappears in the opening, and the peeling means is a slider that is disposed above the engaging claw and protrudes and appears in the opening. The engaging claw and the slider are linked by a cam. The dish supply mechanism in the sushi manufacturing apparatus according to claim 1, wherein the dish supply mechanism is operable. 3. The dish supply in the sushi manufacturing apparatus according to claim 1, wherein the conveying line connected to the supply means is provided with a sorting means for transferring the dishes from the supply means in two directions. mechanism. The transport line includes a plurality of transport belts and includes a tray detection sensor that detects a tray located at the upstream end of each belt, and the belt is detected when the tray is detected by the tray detection sensor. The plate supply mechanism in the sushi manufacturing apparatus according to any one of claims 1 to 3, wherein the traveling speed of the sushi is reduced. The belt of the conveyor line has a width of 55 mm to 85 mm and a coefficient of surface friction of about 0.2. 5. The dish supply mechanism in a sushi manufacturing apparatus according to claim 4, wherein a coefficient of friction of the bottom surface of the leg portion is about 0.4.

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