WO2022034908A1 - 豆腐生地の切断装置及びこれを用いた油揚げの製造方法 - Google Patents
豆腐生地の切断装置及びこれを用いた油揚げの製造方法 Download PDFInfo
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- WO2022034908A1 WO2022034908A1 PCT/JP2021/029690 JP2021029690W WO2022034908A1 WO 2022034908 A1 WO2022034908 A1 WO 2022034908A1 JP 2021029690 W JP2021029690 W JP 2021029690W WO 2022034908 A1 WO2022034908 A1 WO 2022034908A1
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- cutting
- tofu dough
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- tofu
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L11/00—Pulses, i.e. fruits of leguminous plants, for production of food; Products from legumes; Preparation or treatment thereof
- A23L11/40—Pulse curds
- A23L11/45—Soy bean curds, e.g. tofu
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D9/00—Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
- B26D2007/0018—Trays, reservoirs for waste, chips or cut products
Definitions
- the present invention relates to a tofu dough cutting device for producing deep-fried tofu such as deep-fried tofu, thin-fried tofu, deep-fried tofu, and deep-fried tofu, and a method for producing deep-fried tofu using the same.
- the sheet-shaped fried tofu dough that is continuously transported is cut into a plurality of rows and columns, and the portion corresponding to the corner is punched into a substantially square shape by a punching blade, and the columnar shape is punched out. It is described that the ears are aspirated and removed.
- Patent Document 2 the corners of the deep-fried tofu are rounded inside the frying frame of the fryer, or the corners of the dough are cut diagonally in advance so that the corners are rounded when the dough swells by frying. It is known that a molding plate to be molded is attached, a dough is put in the frying frame, and the dough is heated and expanded in an oil tank so that the corners of the frying are rounded. Further, Patent Document 3 discloses fried tofu in which the corners of the dough are rounded or cut to about 45 °.
- Patent Documents 4 to 6 describe a method for regenerating a fried dough that regenerates a defective dough generated during the production of fried tofu.
- the storage stability is improved, and the amount of reproducible defective dough processed is greatly improved.
- Japanese Patent No. 6412441 Japanese Patent Application Laid-Open No. 11-169302 Japan Utility Model Registration No. 3017507 Gazette Japanese Patent No. 4789736 Japanese Patent No. 5604364 Japanese Patent No. 5750678
- Patent Document 1 describes that a transverse cutting edge portion may connect between punching edge portions, and lateral cutting and punching of a corner portion may be performed at the same time.
- a part having a large number of punching blades is required for the cross-cutting blade, but since the part is a special part that requires welding, it is difficult to obtain dimensional accuracy and the cost increases.
- fried dough tends to fluctuate daily depending on the quality of soybeans and oil, and when it is necessary to fine-tune the cutting dimensions or when it is necessary to fine-tune the dimensions depending on the product item, the parts are integrated parts. Therefore, it was not possible to make fine adjustments, and it was necessary to prepare a plurality of spare blades, which was costly.
- the cross-cutting blade portion and the punching blade portion of Patent Document 1 are connected, the cross-cut fried dough is accurately aligned with the punching portion, and then the dough is made into a single piece of dough by using another mechanism. It had to be cut and distributed at wider intervals.
- the punching portion may be shaken from side to side due to the minute meandering of the transport belt, and there is a concern that the square cutting size of the fabric may be slightly shaken.
- the corners can be cut more accurately and with less variation, and the corner ears can be reused hygienically. It is also desired that the fried dough can be easily adjusted in size and that the fried dough can be cut more efficiently and with high processing capacity.
- Patent Document 1 discloses that the dough ears at the corners punched out by the punching blade are removed by suction with reduced pressure, and the tofu dough punched out on the collection conveyor is sucked up with air and blown out.
- it repeatedly inhales and exhales air, inhales hot and humid air with a lot of airborne bacteria, pollutes the inside of the air piping, and can become a secondary pollution source.
- the amount of air blown for discharging the tofu dough also increases. Since tofu lees are easily clogged in the cylinder and suction part of the punching blade and are difficult to see visually, it tends to be unsanitary when operated for a long time, and it is difficult to recycle the square ears.
- the present invention has been made in view of the above-mentioned problems, and an object thereof is to make a tofu dough capable of cutting corners with high accuracy while increasing the capacity of a continuous line and suppressing initial cost and running cost. It is an object of the present invention to provide a cutting device and a method for producing fried tofu using the cutting device. Another object is to provide a cutting device for tofu dough, which is easy to hygienically collect corners and is easy to recycle, and a method for producing fried tofu using the same.
- a tofu dough cutting device that cuts a substantially rectangular tofu dough for frying with chamfered corners from a sheet-shaped tofu dough.
- a first cutting portion having a cross-cutting blade for cutting the tofu dough in a direction orthogonal to the transport direction of the sheet-shaped tofu dough, And a vertical cutting blade that cuts the tofu dough in the same direction as the transport direction.
- a corner cutting blade provided at at least one end of the vertical cutting blade and chamfering the corner portion,
- a cutting section with a second cutting section having a composite cutting blade integrated with A device for cutting tofu dough.
- a tofu dough cutting device that cuts a substantially rectangular tofu dough for frying with chamfered corners from a sheet-shaped tofu dough.
- the corners are chamfered with a horizontal cutting blade that cuts the tofu dough in a direction orthogonal to the transport direction of the sheet-shaped tofu dough, a vertical cutting blade that cuts the tofu dough in the same direction as the transport direction.
- a cutting part having a compound cutting blade integrated with a corner cutting blade, A device for cutting tofu dough.
- the tofu dough cutting device according to (1) or (2), further comprising. (4) Air spraying for dropping the ear pieces downward toward the collection mechanism above at least one of the downstream side of the composite cutting blade of the conveyor and the other conveyor or the other transfer plate.
- the tofu dough cutting device according to (3), comprising the means.
- Tofu dough cutting device A conveyor for transporting the sheet-shaped tofu dough and It is provided adjacent to the downstream side of the conveyor, receives at least the composite cutting blade of the cutting portion, and has the shape of an ear piece generated when the substantially rectangular tofu dough is cut from the sheet-shaped tofu dough.
- the second cutting portion is provided corresponding to the position of the corner cutting blade, and the corner cutting blade cuts the corner portion of the tofu dough, and at the same time, the ear piece is discharged to the collection mechanism.
- the tofu dough cutting device according to (6) which has a punching pin.
- a conveyor for transporting the sheet-shaped tofu dough and It is provided adjacent to the downstream side of the conveyor, receives at least the composite cutting blade of the cutting portion, and has the shape of an ear piece generated when the substantially rectangular tofu dough is cut from the sheet-shaped tofu dough.
- a tofu dough cutting device that cuts a substantially rectangular tofu dough for frying with chamfered corners from a sheet-shaped tofu dough.
- the corners are chamfered with a horizontal cutting blade that cuts the tofu dough in a direction orthogonal to the transport direction of the sheet-shaped tofu dough, a vertical cutting blade that cuts the tofu dough in the same direction as the transport direction.
- a conveyor or transfer plate that receives at least the corner cutting blade, With another conveyor or another transfer plate provided adjacent to the downstream side of the conveyor or the transfer plate. It is provided below the gap portion so as to at least cover the gap portion between the conveyor or the transfer plate and the other conveyor or the other transfer plate, and is used for frying from the sheet-shaped tofu dough.
- a collection mechanism that collects ear pieces generated when cutting tofu dough, A device for cutting tofu dough. (10) Using the tofu dough cutting device according to any one of (1) to (9), a substantially rectangular tofu dough with chamfered corners cut from a sheet-shaped tofu dough for frying. How to make fried tofu.
- the second cutting portion is provided at at least one end of the vertical cutting blade and has a corner cutting blade that chamfers the corner portion, so that variation in dimensions due to meandering of the conveyor or uneven speed is suppressed.
- the corners can be cut accurately, and fried tofu with stable dimensions can be manufactured at low cost.
- the substantially rectangular tofu dough cut into one piece can be distributed in the lateral direction at substantially equal intervals. ..
- the substantially rectangular tofu dough cut into units can be distributed at substantially equal intervals by a speed-increasing speed distribution method or a staggered distribution method by transferring to a conveyor.
- the corner portion is cut while suppressing the manufacturing cost and suppressing the variation in dimensions. It is possible to produce fried tofu with stable dimensions at low cost.
- the present invention occurs when a substantially rectangular tofu dough is cut from a sheet-shaped tofu dough below the gap between the conveyor or the connecting plate and another conveyor or another connecting plate. Since it has a collection mechanism for collecting tofu, it is easy to collect the corners hygienically, for example, it can be recycled, and fried tofu can be manufactured at low cost. In particular, compared to the case where the square ears of the tofu dough are sucked up by the punching blade, the air consumption is less, there is less trouble that the inside of the punching blade is clogged, and the indoor air in the hot and humid factory is rubbed. It is easy to collect the dough ears (horn ears) hygienically and recycle them without inhaling a large amount of them together with airborne bacteria.
- (A) is a top view for explaining the operation of separating the tofu dough for frying after cutting by the cutting blade of the second cutting portion, and (b) is a perspective view of (a).
- (A) is a perspective view showing a modified example of the cutting blade of the second cutting portion, and (b) is a top view of (a).
- (A) is a top view for explaining an operation of distributing tofu dough for frying after cutting by a modified example of a cutting blade of a second cutting portion, and (b) is a perspective view of (a). Is.
- (A) is a top view showing another modification of the cutting blade of the second cutting portion, and (b) is a top view showing another modification of the cutting blade of the second cutting portion.
- (A) is a top view showing a state in which the second cut portion is cut and punched after the first cut portion is cut in the fourth modification of the tofu dough cutting and distributing feeder of the first embodiment.
- b) is a side view of (a).
- (A) is a top view showing a state in which the first cutting portion conveys the tofu dough after the second cutting portion cuts and punches in the fourth modification of the tofu dough cutting distribution feeder of the first embodiment.
- Yes is a side view of (a). It is a top view of the tofu dough cutting distribution supply machine which concerns on 2nd Embodiment of this invention.
- (A) is a perspective view showing a composite cutting blade of the cutting portion of FIG.
- (b) is a top view of (a). It is a top view of the 1st modification of the cutting distribution supply machine of the tofu dough of 2nd Embodiment. It is a top view which shows the composite cutting blade of the cutting part of FIG. It is a top view of the 2nd modification of the cutting distribution feeder of the tofu dough of 2nd Embodiment. (A) to (d) are top views of each modification of the composite cutting blade. It is a top view of the tofu dough cutting distribution supply machine which concerns on the modification of this invention.
- soybeans are soaked in water in a dipping tank 1 to swell, and then, in a soymilk production apparatus 2, the soybeans are mashed into a slurry while being hydrated, and then steamed. Boil in a can at 90-110 ° C, add reconstituted water and lower to 70-80 ° C. After that, the soymilk is sent to the soymilk tank 3 while the okara is separated by a squeezing machine.
- the coagulant sent from the coagulant tank 4 is added to the soymilk, mixed uniformly, and coagulated and aged in the coagulant 5 to obtain a soymilk coagulant.
- a thick soymilk coagulated product obtained by removing a part of the free "yu" with a water remover is sent to the molding machine 6, and the soymilk coagulated product is molded into a sheet-shaped soymilk dough and cut into dough. It is sent to the distribution feeder (cutting device) 10.
- the dough cutting distribution feeder 10 cuts the sheet-shaped tofu dough into a substantially rectangular tofu dough with chamfered corners for frying.
- tofu dough for fried tofu such as sushi fried tofu and light fried tofu is sent to the fryer 7 and stretched in a low temperature part (90 to 120 ° C.) (one side of the dough is 1.5 to 2.0 times).
- Deep-fried products are obtained by frying in a frying tank in a hot part (150 to 180 ° C.) with a teaser (which removes water and forms a skin). Since this embodiment is an improved configuration of the dough cutting / distributing / supplying machine 10, the dough cutting / distributing / supplying machine 10 will be mainly described.
- the corners of the upstream conveyor 11 for transporting the sheet-shaped tofu dough Ta and the sheet-shaped tofu dough Ta are chamfered.
- the cutting portion 20 includes a first cutting portion 22 having a cross-cutting blade 21 for cutting the tofu dough in a direction orthogonal to the conveying direction of the upstream conveyor 11 (the conveying direction of the sheet-shaped tofu dough Ta), and the cutting portion 20.
- the second cutting portion 26 having the composite cutting blade 25 of the above is provided.
- the first cutting portion 22 is located on the upstream side of the second cutting portion 26.
- the transport direction of the upstream conveyor 11 is referred to as the X direction
- the horizontal direction orthogonal to the transport direction of the upstream conveyor 11 is referred to as the Y direction
- the vertical direction orthogonal to the X direction and the Y direction is also referred to as the Z direction. ..
- the cross-cutting blade 21 of the first cutting portion 22 can be driven up and down or back and forth by the Z-direction drive portion 82 and the X-direction drive portion 83 as drive mechanisms shown in FIG. 2B to cut the sheet-shaped tofu dough Ta. Then, the strip-shaped tofu dough Tb is obtained and pushed forward. Further, the composite cutting blade 25 of the second cutting portion 26 can be driven up and down by the drive mechanism 30 as shown in FIG. 3 and can also be driven in the Y direction, and can cut the strip-shaped tofu dough Tb. Tofu dough Tf for frying is obtained by distributing the tofu dough with a wide interval in the Y direction.
- the drive mechanism 30 is provided on a frame 32 erected so as to straddle the upstream conveyor 11 on a base 31 extending in the X direction provided on both sides of the upstream conveyor 11 in the Y direction, and on the frame 32.
- the pressure cylinder 33 that drives the plurality of composite cutting blades 25 in the Z direction and the plurality of composite cutting blades 25 are each driven in the Y direction to widen the distance between the tofu dough Tf for frying in the Y direction.
- It has a drive mechanism 34 and a drive mechanism 34.
- the drive mechanism 30 including the pressure cylinder and the distribution drive mechanism 34 has a known configuration as described in Japanese Patent Application Laid-Open No. 2-167047.
- the upstream conveyor 11 temporarily stops the transportation of the tofu dough Ta and Tb. This is done, or the tofu dough is carried out in a state where the upstream conveyor 11 continuously conveys the tofu dough Ta, and the cut Tb is pushed forward by the first cutting portion 22 in the X direction by a predetermined distance to the tofu dough. It may be done so as to widen the space between Ta and the tofu dough Tb.
- the composite cutting blade 25 of the second cutting portion 26 has a Y-shaped blade opened on both sides as a corner cutting blade 24 integrated with the tip of one end of the vertical cutting blade 23 by welding. It is made into a composite cutting blade. Therefore, when the drive mechanism 30 lowers the composite cutting blade 25, the corners of the tofu dough are cut diagonally and linearly at the same time as the tofu dough Tb is vertically cut. Then, the drive mechanism 30 drives the composite cutting blades 25 in the Y direction, so that the tofu dough Tf for frying is arranged on the upstream conveyor 11 with a wide interval in the Y direction.
- the drive mechanism 30 of the present embodiment cuts and distributes the tofu dough as shown in FIG. 2B without moving it in the X direction, and feeds it forward by another dough feeding mechanism 90.
- another fabric feeding mechanism 90 includes a Z-direction drive unit 92 that advances and retreats the extrusion feed plate 91 to a position where it can be fed, and an X-direction drive unit 93 that drives the extrusion feed plate 91 in the X direction.
- the plate 91 can be driven up and down or back and forth.
- the drive mechanism 30 may be fed in the X direction in parallel with the cutting and distribution of the tofu dough, as shown in the region A of FIG. 2A.
- the drive mechanism 30 of the present embodiment distributes the tofu dough Tf for frying without changing the position in the Y direction at all times, but the present invention is not limited to this, and the tofu dough for frying is not limited to this.
- the tofu dough Tf for frying is arranged on the downstream conveyor 12 in a staggered manner by moving the stopper member (not shown) up and down to separate the tofu dough Tf in the X direction so that the front and back positions are separated. May be done (see FIG. 20). (For the staggered distribution, see FIGS. 17 of JP2012-140158 and FIGS. 25-27 of JP2019-068809).
- a tofu dough Tf for frying can be obtained in units of one (30 to 200 mm on a side, 2 to 50 mm in thickness) having a substantially rectangular shape or a substantially square shape when viewed from above.
- the tofu dough Tf for frying has a side length of 5 to 30 mm at the corners and an angle ⁇ (see FIGS. 4 and 6) of 30 to 60 °, preferably 40 to 50 °, and more preferably 45 °. It is cut back and forth, and the overall shape of the top view becomes a substantially octagonal substantially rectangular shape. As shown in FIGS.
- the corner cutting blade 24 is located at a position slightly away from the tip of one end of the vertical cutting blade 23. It may be an angle blade (a blade having an L-shaped cross section) to be welded. Further, as shown in FIG. 8A, the corner cutting blade 24 may be a curved Y-shaped blade that is open on both sides at the tip of one end of the vertical cutting blade 23, and is shown in FIG. 8B. As shown in the above, a curved angle blade may be used, which is welded at a position slightly away from the tip of one end of the vertical cutting blade 23. The angle ⁇ here is given between the direction of the vertical cutting blade 23 and the tangent line L of the corner cutting blade 24.
- the second cutting portion 26 cuts an even number of tofu dough Tf for frying from the strip-shaped tofu dough Tb, it is vertically cut at the central portion in the Y direction.
- Two compound cutting blades 25 are used in which angle blades are attached to both ends of the blade 23.
- the two tofu doughs Tf near the center are distributed in the Y direction by the two composite cutting blades 25.
- the central tofu dough Tf does not need to be moved. 4 or the one shown in FIG. 5 can be used.
- corner cutting blade 24 when the tofu dough Tf for frying is fried, there are no corners where the moisture is too much to harden, and it is seasoned to remove Inari. When it is cooked, it has a good texture and looks rounded and plump. Further, when frying the tofu dough Tf for frying, which has a substantially rectangular shape with chamfered corners, the fryer frame may be omitted, but the square frame and the corners are rounded as described in Patent Document 3. You may use a fryer frame with a.
- the corner cutting blade 24 may be a punching pin (punching pin, substantially triangular cross section).
- the cutting portion 20 becomes a small composite cutting blade 25 by combining the vertical cutting blade and the square cutting blade without providing the vertical cutting blade with a roll cutter. Welding is minimal, it is easy to process, there is little distortion, it is inexpensive to finish, it is easy to see the attached tofu lees, etc., it is relatively easy to clean, and it is hygienic.
- the dimension change in the X direction can be handled without changing the cutting blade as long as it is within the range between both tips of the corner cutting blade 24.
- the composite blade with the conventional cross-cutting blade is basically a member with a large integrated structure, and it is difficult to attach the fine adjustment means. It is necessary to stock it as a storage space and cost.
- downstream conveyor 12 is provided adjacent to the downstream side of the upstream conveyor 11, and conveys the tofu dough Tf for frying after cutting toward the fryer 7, and is shown in the figure. Do not throw one into each section of the fryer frame by the throwing machine.
- the recovery / regeneration mechanism 40 collects and regenerates the ear pieces Tc and Td generated when the tofu dough Tf for frying is cut from the sheet-shaped tofu dough Ta.
- the recovery / regeneration mechanism 40 is below the gap portion S so as to cover at least the gap portion S between the upstream conveyor 11 and the downstream conveyor 12 (a gap where the dough does not fall but the square ear pieces easily fall).
- the hopper 45 and the recovery conveyor 41 provided in the hopper 45 and the recovery conveyor 41, the inclined table 42 for sending the ear pieces Td dropped from the side of the downstream conveyor 12 to the hopper 45 and the recovery conveyor 41, and the ear pieces Tc and Td collected by the recovery conveyor 41.
- a predetermined step for example, a coagulation stirring section of a coagulation device.
- the hopper 45 is wider than the width of the upstream conveyor 11 in the Y direction, the lower portion of the hopper 45 is an opening, and the ear pieces Tc and Td collected by the hopper 45 fall onto the collection conveyor 41.
- a plurality of hoppers 45 and tilting tables 42 are appropriately arranged so as to receive ear pieces falling from various places.
- guide members (scrapers) 50 for dropping the strip-shaped fabric ear pieces Tc downward toward the hopper 45 are provided on both sides in the width direction on the downstream side of the composite cutting blade 25 of the upstream conveyor 11.
- the guide member 50 is arranged close to the upper surface of the conveyor belt of the upstream conveyor 11, and is inclined so as to be outward in the width direction of the upstream conveyor 11 toward the downstream side of the upstream conveyor 11.
- a plurality of air sprays for dropping the triangular cloth ear pieces Td at the corners downward toward the hopper 45 and the inclined table 42 are appropriately provided.
- the strip-shaped fabric earpiece Tc is dropped onto the hopper 45 by the guide member 50, and the triangular fabric earpiece Td is dropped from the side of the upstream conveyor 11 by the air blowing means 60, and is also dropped from the upstream conveyor 11 and downstream. It falls from the gap portion S of the conveyor 12. Further, the triangular cloth ear pieces Td that do not fall from the gap portion S but are conveyed to the downstream conveyor 12 over the gap portion S fall from the side of the downstream conveyor 12 to the inclined table 42 by the air blowing means 60.
- the air blowing means 60 can separate the ear pieces Td attached to the tofu dough Tf for frying from the tofu dough Tf. Further, the air blowing means 60 may aim at the ear piece Td detected by a camera sensor (not shown), blow air, and drop it on the tilting table 42.
- the tilting table 42 covers the side of the Y-direction end of the downstream conveyor 12, and is formed so as to be inclined so that the fryer 7 side is higher than the hopper 45 side. It is sent to the collection conveyor 41 provided below.
- the collection conveyor 41 conveys the dropped ear pieces Tc and Td toward the cutting device 43 in the Y direction.
- the ear pieces Tc and Td are particleized.
- the ear pieces Tc and Td are preferably ground to prevent air from entering, but may be finely cut without being ground like a grinder or the like.
- the cutting device 43 may be subjected to in-liquid grinding, which is finely ground in liquid.
- in-liquid grinding device a device that supplies a solid raw material such as soybean and a liquid raw material to the grinding section and grinds them has already been developed. Avoid getting in.
- the cutting device 43 can also use a colloid mill, a high-pressure homogenizer, a vacuum juicer mixer, a vacuum / depressurized hood cutter, a minced machine (1-axis kneader), a 2-axis extruder (2-axis kneader), and the like. be.
- the stirring is made uniform with or without adding water in the stirring tank.
- water purified water, soft water, etc.
- the coagulant component is contained in the "yu".
- the amount of coagulant can be reduced when making the next new fried dough.
- water hot water of 100 ° C. or lower may be used, preferably hot water of 60 ° C. to 80 ° C., which is a pasteurization condition of 60 ° C. for 30 minutes or longer, or 80 ° C. for 10 minutes or longer
- this hot water (yu) rather than this hot water (yu).
- the amount of water added is preferably about 3 to 10 times the amount of the dough ears according to the soymilk solid content. If the dough solid content is 25% wt (dough moisture 75% wt) and the soymilk solid content is 3 to 5% wt, about 5 to 8 times water addition is suitable. Then, the regenerated liquid (soymilk-like solution) produced by the regenerating treatment is pumped.
- the regenerated liquid In the regenerated liquid, there is a possibility that bacteria that form heat-resistant spores attached to soybeans are alive, and when the fried dough is regenerated and used, the storage stability of the final product becomes one problem. Was there. Therefore, by heating the regenerated liquid of the fried dough, it is possible to sterilize various germs of vegetative cells other than spores and improve the storage stability of the final product when the regenerated liquid is used. As a result, the ear pieces Tc and Td that have fallen downward are hygienically recovered and regenerated as the dough material, and the soymilk tank 3 or the coagulant 5 (the dough ear regeneration liquid is also weighed at the same time as the soymilk is weighed and the air is appropriately dispersed. Mix and coagulate with coagulant).
- the distance between the gap portions S between the upstream and downstream conveyors 11 and 12 is adjusted so that the earpiece Tc can easily fall from the gap portion S and the tofu dough Tf can be transferred without dropping.
- the upstream and downstream conveyors 11 and 12 may be transferred horizontally, but the height of the downstream conveyor 12 may be slightly higher than that of the upstream conveyor 11 so that the fabric is transferred and only the earpiece Tc is moved downward. Effective for dropping.
- the transfer speed of the downstream conveyor 12 is preferably faster than the transfer speed of the first conveyor 11.
- the guide member 50 and the air blowing means 60 can be used together. By doing so, the substantially triangular dough ear piece Td can be easily dropped from the side of the conveyors 11 and 12.
- the corners are cut by suppressing the variation in dimensions by the plurality of composite cutting blades 25 in which the vertical cutting blade 23 and the corner cutting blade 24 are integrated. It is possible to respond to slight dimensional changes, and it is possible to manufacture fried tofu with stable dimensions at low cost. Further, the tofu dough Tf for frying that has been cut can be efficiently distributed in the Y direction by using the plurality of composite cutting blades 25, and the processing capacity is provided by providing a plurality of sets of the plurality of composite cutting blades 25 in the X direction. Can be doubled to reduce running costs. There is no process to move the ear pieces, and the processing capacity can be increased more than before.
- a substantially rectangular tofu dough Tf is formed from the sheet-shaped tofu dough Ta below the gap portion S between the upstream conveyor 11 and the downstream conveyor 12. Since it has a recovery / regeneration mechanism 40 that collects and regenerates the ear pieces Tc and Td generated when cut, it is easy to prevent the ear pieces from accidentally accompanying the fabric Tf and entering the fryer and becoming a defective product, and the ear pieces are sanitized. It is easy to collect, can be reused, reduces loss and quality problems, and can manufacture fried tofu at low cost.
- FIG. 10 shows a first modification of the tofu dough cutting and distributing feeder of the first embodiment.
- this cutting distribution feeder 10A the sheet-shaped tofu dough Ta is cut by the cross-cutting blade 21 of the first cutting portion 22 on the upstream conveyor 11 to obtain a strip-shaped tofu dough Tb. Then, the strip-shaped tofu dough Tb is transferred to the distribution conveyor 13 arranged adjacent to the downstream side of the upstream conveyor 11 by the cross cutting blade 21.
- the strip-shaped tofu dough Tb is alternately conveyed in the Y direction by the distribution conveyor 13, and is further alternately conveyed to a pair of intermediate conveyors 14 arranged adjacent to both ends of the distribution conveyor 13 in the Y direction.
- the strip-shaped tofu dough Tb is cut into the tofu dough Tf for frying by the composite cutting blade 25 of the second cutting portion 26, and is distributed and aligned at equal intervals in the Y direction.
- the cross-cutting blade 21 is driven in the X direction by the X-direction drive unit 83, and the strip-shaped tofu dough Tb is moved from the upstream conveyor 11 to the distribution conveyor 13. Further, the cutting distribution feeder 10A is provided with a transport guide 70 for moving the strip-shaped tofu dough Tb from the distribution conveyor 13 to each intermediate conveyor 14.
- each hopper 45 covers the gap portion S between the intermediate conveyor 14 and each downstream conveyor 12 at least. It is installed below.
- the cutting / distributing operation by the composite cutting blade 25, which requires a relatively long time, can be performed at two places, so that the working efficiency of the cutting / distributing feeder 10A can be improved.
- FIG. 11 shows a second modification of the tofu dough cutting and distributing feeder of the first embodiment.
- this cutting distribution feeder 10B one transfer plate 15 and one transfer conveyor 16 are arranged side by side on the downstream side of the upstream conveyor 11 in the X direction, and two transfer conveyors 16 are arranged on both sides of the transfer conveyor 16 in the Y direction. Conveyors 17 and 17 are arranged.
- the cross cutting blade 21 of the first cutting portion 22 and the composite cutting blade 25 of the second cutting portion 26 are arranged on the transfer plate 15. Then, the sheet-shaped tofu dough Ta is cut by the cross-cutting blade 21 of the first cutting portion 22 to obtain a strip-shaped tofu dough Tb, and then conveyed to the lower part of the composite cutting blade 25 on the transfer plate 15. Then, the strip-shaped tofu dough Tb is cut into the tofu dough Tf for frying by the composite cutting blade 25 on the transfer plate 15.
- the composite cutting blade 25 can move between the transfer plate 15 and the transfer conveyor 16, and the tofu for frying is placed on the transfer conveyor 16 before being distributed in the Y direction from the state cut into the tofu dough Tf for frying.
- the tofu dough Tf for frying is distributed in the Y direction at predetermined intervals. Further, the tofu dough Tf for frying is transferred from the transfer conveyor 17 to the downstream conveyor 12 so as to be extruded by the guide member 70 that can be driven in the X direction.
- the recovery conveyor 41 is a gap portion S (gap) between the transfer plate 15 and the transfer conveyor (other transfer plate) 16. Is provided below the gap portion S so as to cover at least.
- the recovery / regeneration mechanism 40 may have a hopper as in the above embodiment.
- the tofu dough Tf for frying can be supplied from two places to the two fryer 7, so that the production capacity is improved and the width in the Y direction is widened in terms of layout.
- the machine length in the X direction can be shortened, and the processing capacity of the cutting and distributing process can be doubled.
- FIG. 12 shows a third modification of the tofu dough cutting and distributing feeder of the first embodiment.
- a push-down rod 61 is movably provided in place of the air blowing means 60 on the downstream conveyor 12.
- the ear piece Td detected by the camera inspection machine or the like on the downstream conveyor 12 can be aimed and dropped onto the tilting table 42 by the push-down rod 61.
- the method of dropping the earpiece Td on the conveyor is not limited to the guide member 50, the air blowing means 60, and the push-down rod 61 described above, and a spring plate or the like may be used.
- FIGS. 13 to 15 show a fourth modification of the tofu dough cutting and distributing feeder of the first embodiment.
- a cutting plate portion (transfer plate) 80 is provided adjacent to the cutting plate portion 80 on the downstream side of the upstream conveyor 11 in the X direction, and the first conveyor 18 in the Y direction adjacent to the cutting plate portion 80 in the X direction.
- the Y-direction first conveyor 18 is provided with a Y-direction second conveyor 19 adjacent to the Y-direction.
- a downstream conveyor 12 is arranged adjacent to the X direction on the downstream side of the second conveyor 19 in the Y direction, but is not shown in FIGS. 13 to 15.
- the cutting board portion 80 receives the cross cutting blade 21 and the composite cutting blade 25 of the cutting portion 20, and is provided with a plurality of through holes 81 corresponding to the shapes of the ear pieces Tc and Td generated when cutting. Further, below the cutting board portion 80, a recovery / regeneration mechanism 40 for collecting / reusing ear pieces Tc and Td is arranged.
- the first cutting unit 22 is provided with a Z-direction drive unit 82 that drives the cross-cutting blade 21 up and down, and an X-direction drive unit 83 that drives the vertical drive unit in the X direction.
- the second cutting portion 26 is provided corresponding to the position of the corner cutting blade 24, and at the same time as the corner cutting blade 24 cuts the corner portion of the tofu dough, the ear pieces Tc and Td are collected through the through hole 81. It has a punching pin 27 for discharging to the regeneration mechanism 40.
- the strip-shaped tofu dough Tb cut by the first cutting portion 22 is conveyed onto the cutting board portion 80 by the X-direction driving portion 83.
- the second cutting portion 26 cuts the tofu dough Tf for frying, and the punching pins 27 corresponding to the shapes of the ear pieces Tc and Td are simultaneously or sequentially driven downward. , Passes through the through hole 81, and discharges the ear pieces Tc and Td to the recovery / regeneration mechanism 40. At that time, air may be blown to completely drop the ear piece, or the drop may be assisted by pushing it down with a punching rod.
- the ear pieces Tc and Td discharged to the recovery / regeneration mechanism 40 are hygienically recovered and regenerated as a dough material in the same manner as in the above embodiment.
- the second cutting section 26 is retracted upward, and a plurality of tofu doughs Tf for frying are conveyed to the first conveyor 18 in the Y direction by the X-direction driving section 83 of the first cutting section 22. do.
- the plurality of tofu doughs Tf for frying are distributed so as to widen the interval in the Y-direction, and are distributed in the Y-direction. 2 It is conveyed on the conveyor 19.
- the composite cutting blade 25 in the first embodiment may be provided with a corner cutting blade 24 at at least one end of the vertical cutting blade 23, and is in a form of cutting diagonal corners of the fabric (FIG. FIG. 9 (b) (d)).
- the cutting portion 20a includes a horizontal cutting blade 21 that cuts the tofu dough in a direction orthogonal to the transport direction of the sheet-shaped tofu dough Ta.
- a composite cutting blade 28 is provided in which a vertical cutting blade 23 for cutting the tofu dough in the same direction as the transport direction and a corner cutting blade 24 for chamfering the corners are integrated.
- the horizontal cutting blade 21 is formed so as to connect the tips of Y-shaped blades, which are corner cutting blades 24 joined to the upstream end of the vertical cutting blade 23, in the Y direction.
- the Y-shaped blades, which are the corner cutting blades 24 joined to the downstream end of the vertical cutting blade 23, are separated from each other.
- the composite cutting blade 28 of the present embodiment is configured to be driveable in the Z direction (vertical drive) and the X direction (front-back drive), and after cutting into the tofu dough Tf for frying, it is conveyed to the transfer conveyor 16. do.
- An extrusion device (not shown) may be used for transfer from the downstream side of the upstream conveyor 11 to the transfer conveyor 16.
- the tofu dough Tf for frying is alternately conveyed from the transfer conveyor 16 to two transfer conveyors 17 on both sides in the Y direction by a guide member (not shown), and is distributed at intervals in the Y direction. .. After that, the tofu dough Tf for frying is conveyed from the transfer conveyor 17 to the downstream conveyor 12 by the guide member 70 and sent to the fryer 7.
- a recovery / regeneration mechanism provided below each gap portion S so as to cover the gap portion S between the upstream conveyor 11 and the transfer conveyor 16 and the gap portion S between the transfer conveyors 16 and 17 from below.
- the ear pieces Tc and Td are collected by 40.
- the recovery / regeneration mechanism 40 is provided with a hopper 45 below the gap portion S, and the ear pieces Tc and Td recovered by the hopper 45 are used in the cutting device 43 and the stirring supply device 44 as in the first embodiment. Sent.
- the ear pieces Tc and Td may be discharged to the recovery / regeneration mechanism 40 by appropriately using an air blowing means.
- Other configurations and operations are the same as those of the first embodiment.
- FIG. 18 shows a first modification of the tofu dough cutting and distributing feeder of the second embodiment.
- the composite cutting blade 28 has a square pipe blade with a hole joined to the upstream end of the vertical cutting blade 23 as a corner cutting blade 24, and has a hole. It is configured by joining the square pipe blades with the cross cutting blade 21.
- the square pipe blade retracts upward without sucking the earpiece Td in the hole of the square pipe blade.
- the earpiece Td is prevented from being accompanied by the air blowing means from the upper end of the square pipe blade into the square pipe blade, and the earpiece Td is transferred to the transfer conveyor 16, and when transferred to the transfer conveyor 17, it falls downward and the guide member 51.
- the ear piece Td comes into contact with the tofu dough Tf, is preferably assisted by an air blowing means, is dropped downward, is placed on the recovery conveyor 41, and is recovered and regenerated by the recovery and regeneration mechanism 40.
- the air supplied to the air blowing means is preferably clean air or gas that has passed through a sterile compressed air filter, a dehumidifier, or the like in advance.
- the depressurizing means and the vacuum means are not used because even fine dough debris and hot and humid air in the manufacturing room are sucked in, which makes the inside of the air pipe and the vicinity of the suction member unsanitary. If the air blowout and the air piping are shared, the dirty air will be ruminant, and the air with a lot of germs will be blown to the fabric and the fabric ears, which may cause secondary pollution.
- FIG. 20 shows a second modification of the tofu dough cutting and distributing feeder of the second embodiment.
- this cutting distribution feeder 10G the sheet-shaped tofu dough Ta is cut into the tofu dough Tf for frying using the same composite cutting blade 28 as in the first modification.
- the ear pieces that have entered the square pipe blade are blown out with clean air, left on the upstream conveyor 11 and the transfer conveyor 16, and dropped onto the lower recovery / regeneration mechanism 40 by air blowing means or the like.
- air blowing means or the like instead of blowing clean air, it may be in the form of blowing water vapor at around 100 ° C.
- the inside of the square pipe blade is hygienic during production.
- a distribution mechanism (not shown) is used to stagger the tofu dough Tf for frying on the downstream conveyor 12. Place in. (For the staggered distribution, see FIGS. 17 of JP2012-140158 and FIGS. 25-27 of JP2019-068809).
- the composite cutting blade 28 of the present embodiment may be applied.
- the composite cutting blade 28 has a triangular columnar tubular blade having a substantially triangular cross section instead of the square pipe blade.
- the present invention is not limited to the above-described embodiment, and can be appropriately modified, improved, or the like.
- the material, shape, size, numerical value, form, number, arrangement location, etc. of each component in the above-described embodiment are arbitrary as long as the present invention can be achieved, and are not limited.
- tofu long in the X direction is provided by a composite cutting blade 29 in which corner cutting blades 24 are joined to both ends of the horizontal cutting blade 21. It is also applicable to the method of cutting the dough into tofu dough Tf for frying.
- the cutting device of the present embodiment is configured to include a recovery / regeneration mechanism that receives and regenerates ear pieces generated when the tofu dough for frying is cut from a sheet-shaped tofu dough.
- the cutting device may be configured to include at least a collection mechanism for receiving and collecting the ear pieces.
- Cutting distribution feeder (cutting device) 11 Upstream conveyor (conveyor) 12 Downstream conveyor (other conveyor) 20 Cutting part 21 Horizontal cutting blade 22 First cutting part 23 Vertical cutting blade 24 Square cutting blade 25, 28 Composite cutting blade 40 The Resolution and Collection Corporation (The Resolution and Collection Corporation) 41 Recovery conveyor 45 Hopper 50 Guide member 60 Air blowing means
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Abstract
Description
また、特許文献3では生地の角を丸く又は約45°にカットした油揚げが開示されている。
さらに、特許文献1の横切り刃部と打ち抜き刃部とを連結した場合には、横切りした油揚げ生地を、打ち抜き部に正確に位置合わせした上で、別な機構を用いて1枚単位の生地に切断し、間隔を広げて分配する必要があった。横切り刃部と打ち抜き刃部とを独立させた場合は、搬送ベルトの微小な蛇行により打ち抜き部が左右にブレることもあり、生地の角切寸法が微妙にブレる懸念もあった。
寸法調整にも対応しやすく、油揚げ生地をさらに効率よく高い処理能力で切断することも望まれている。
角耳の再利用手段や矩形に切断した生地をフライヤー枠に自動で投入する分配手段や投入手段の具体的記載も示唆もない。また打ち抜いた豆腐生地を排出する動作は搬送ラインの上方で行われることから、角耳の落下や粕の落下により製品に付着してそのままフライされてロスになる懸念もある。
(1) シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃を有する第一切断部、
及び、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、
前記縦切り刃の少なくとも一端部に設けられ、前記角部を面取りする角部切断刃と、
を一体化した複合切断刃を有する第二切断部を備える切断部、
を有する、豆腐生地の切断装置。
(2) シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃と、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、前記角部を面取りする角部切断刃と、を一体化した複合切断刃を備える切断部、
を有する、豆腐生地の切断装置。
(3) 前記複合切断刃を受けるコンベア又は乗り移り板と、
該コンベア又は乗り移り板の下流側に隣接して設けられる、他のコンベア又は他の乗り移り板と、
前記コンベア又は前記乗り移り板と、前記他のコンベア又は前記他の乗り移り板との間の隙間部分を少なくとも覆うように、前記隙間部分の下方に設けられ、前記シート状の豆腐生地から前記油揚げ用の豆腐生地を切断した際に発生する耳片を受けて回収する回収機構と、
をさらに有する、(1)又は(2)に記載の豆腐生地の切断装置。
(4) 前記コンベアの前記複合切断刃より下流側と、前記他のコンベア又は他の乗り移り板との少なくとも一方の上方には、前記耳片を前記回収機構に向けて下方に落とすためのエア吹付手段を備える、(3)に記載の豆腐生地の切断装置。
(5) 前記コンベアの前記複合切断刃より下流側の幅方向両側部には、前記耳片を前記回収機構に向けて下方に落とすためのガイド部材を備える、(3)又は(4)に記載の豆腐生地の切断装置。
(6) 前記シート状の豆腐生地を搬送するコンベアと、
前記コンベアの下流側に隣接して設けられ、前記切断部の複合切断刃を少なくとも受けると共に、前記シート状の豆腐生地から前記略矩形状の豆腐生地を切断した際に発生する耳片の形状に対応する貫通孔を備えるまな板部と、
前記まな板部の下方に設けられ、前記耳片を回収する回収機構と、
をさらに有する、(1)又は(2)に記載の豆腐生地の切断装置。
(7) 前記第二切断部は、前記角部切断刃の位置に対応して設けられ、前記角部切断刃が前記豆腐生地の角部を切断すると同時に、前記耳片を前記回収機構に排出する打ち抜きピンを有する、(6)に記載の豆腐生地の切断装置。
(8) 前記シート状の豆腐生地を搬送するコンベアと、
前記コンベアの下流側に隣接して設けられ、前記切断部の複合切断刃を少なくとも受けると共に、前記シート状の豆腐生地から前記略矩形状の豆腐生地を切断した際に発生する耳片の形状に対応する貫通孔を備えるまな板部と、
前記まな板部の下方に設けられ、前記耳片を回収する回収機構と、
をさらに有する、(2)に記載の豆腐生地の切断装置。
(9) シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃と、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、前記角部を面取りする角部切断刃と、を備える切断部と、
前記角部切断刃を少なくとも受けるコンベア又は乗り移り板と、
該コンベア又は乗り移り板の下流側に隣接して設けられる、他のコンベア又は他の乗り移り板と、
前記コンベア又は前記乗り移り板と、前記他のコンベア又は前記他の乗り移り板との間の隙間部分を少なくとも覆うように、前記隙間部分の下方に設けられ、前記シート状の豆腐生地から前記油揚げ用の豆腐生地を切断した際に発生する耳片を回収する回収機構と、
を有する、豆腐生地の切断装置。
(10) (1)~(9)のいずれかに記載の豆腐生地の切断装置を用いて、シート状の豆腐生地から切断された、角部が面取りされた略矩形状の油揚げ用の豆腐生地を製造する油揚げの製造方法。
また、例えば1枚単位に切断した略矩形状の豆腐生地をコンベア乗り移りによる増速速度分配式や千鳥分配式によっても間隔を略等間隔に広げて分配することもできる。
図1に示すように、油揚げの製造方法は、まず、大豆を浸漬槽1で水に漬け込み膨潤させ、その後、豆乳製造装置2で、浸漬した大豆に加水しながらスラリー状にすり潰し、さらに、蒸缶で90~110℃で煮沸させ、戻し水を加えて70~80℃に下げる。その後、搾り機でおからを分離する一方、豆乳は豆乳タンク3に送られる。そして、凝固剤タンク4から送られた凝固剤を、豆乳に添加して、均一に混合して、凝固機5にて、凝固・熟成させて豆乳凝固物を得る。その後、遊離した「ゆ」の一部を水取機により除去して得た濃い豆乳凝固物が、成型機6に送られて、豆乳凝固物は、シート状の豆乳生地に成型され、生地切断分配供給機(切断装置)10に送られる。生地切断分配供給機10では、シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地に切断される。その後、例えば、寿司油揚げや薄油揚げのような油揚げ用の豆腐生地は、フライヤー7に送られて、低温部(90~120℃)で伸ばし(生地の1辺が1.5~2.0倍に膨化)、
高温部(150~180℃)でからし(水分を飛ばし、皮を形成)で、油槽内で揚げられることで、油揚げ製品を得る。
なお、本実施形態は、生地切断分配供給機10の構成を改良したものであるため、生地切断分配供給機10を中心に説明する。
図2A及び図2Bに示すように、第1実施形態の生地切断分配供給機10は、シート状の豆腐生地Taを搬送する上流コンベア11と、シート状の豆腐生地Taを角部が面取りされた略矩形状の油揚げ用の豆腐生地Tfに切断する切断部20と、切断後の油揚げ用の豆腐生地Tfを搬送する下流コンベア(他のコンベア)12と、シート状の豆腐生地Taから油揚げ用の豆腐生地Tfを切断した際に発生する耳片Tc、Tdを回収・再利用する回収再生機構40と、を主に備える。
上流コンベア11の搬送方向と同じ方向に豆腐生地を切断する縦切り刃23と、該縦切り刃23の両端部に設けられ、角部を面取りする角部切断刃24と、を一体化した複数の複合切断刃25を有する第二切断部26を備える。第一切断部22は、第二切断部26よりも上流側に位置している。
なお、以下の説明において、上流コンベア11の搬送方向をX方向、上流コンベア11の搬送方向に対して直交する水平方向をY方向、X方向及びY方向に直交する、上下方向をZ方向とも称する。
なお、加圧シリンダや分配用駆動機構34を含む駆動機構30は、特開平2-167047号公報などに記載のように、公知の構成である。
なお、角部切断刃24は、図6(b)及び図7(a)(b)及び図9(b)に示すように、縦切り刃23の一端部の先端から僅かに離れた位置に溶接されるアングル刃(断面L型の刃)であってもよい。
また、角部切断刃24は、図8(a)に示すように、縦切り刃23の一端部の先端に、両側に開いた湾曲したY型刃であってもよく、図8(b)に示すように、縦切り刃23の一端部の先端から僅かに離れた位置に溶接される、湾曲したアングル刃であってもよい。ここでの角度θは、縦切り刃23の方向と、角部切断刃24の接線Lとの間で与えられる。これにより、豆腐生地の角部は、斜めに曲線状に切断され、油揚げ用の豆腐生地Tfは、全体の形状が、角が丸まった略矩形状に形成される(図9(c)(d)参照)。
なお、細帯状豆腐生地Tbから奇数の油揚げ用の豆腐生地Tfを切断する場合には、中央の豆腐生地Tfは移動させる必要がないので、Y方向中央部分を含むすべての複合切断刃に、図4や図5に示すようなものを使用することができる。
また、角部が面取りされた略矩形状の油揚げ用の豆腐生地Tfをフライヤーにて揚げる場合、フライヤー枠は無くてもよいが、特許文献3に記載したような、四角枠や角部に丸みのあるフライヤー枠を用いてもよい。
なお、角部切断刃24は、打ち抜き用ピン(パンチングピン、断面略三角形)であってもよい。
また、エア吹付手段60は、図示しないカメラセンサで検知された耳片Tdを狙って、エアを吹き付け、傾斜台42に落下させるようにしてもよい。
なお、コンベア上の耳片Tdを落下させる手法としては、上述したガイド部材50、エア吹付手段60、突き落とし棒61に限らず、バネ板などを用いてもよい。
なお、回収再生機構40に排出された耳片Tc,Tdは、上記実施形態と同様にして、衛生的に回収されて、生地材料として再生される。
次に、第2実施形態の生地切断分配供給機10Eについて、図16及び図17を参照して説明する。なお、第1実施形態と同等部分については、同一又は相当符号を付して、説明を省略する。
その他の構成及び作用は、第1実施形態のものと同様である。
この場合、シート状の豆腐生地Taを複合切断刃28によって油揚げ用の豆腐生地Tfに切断した後、角パイプ刃の穴内の耳片Tdは、吸引することなく、角パイプ刃が上方に退避する際に角パイプ刃上端からエア吹付手段によって角パイプ刃内に耳片Tdが同伴しないようにし、乗り移りコンベア16に移載され、乗り移りコンベア17に乗り移る際に、下方に落下するとともに、ガイド部材51に耳片Tdが接触し、豆腐生地Tfから脱離し、好ましくはエア吹付手段によって補助して下方落下させて、回収コンベア41上に載り、回収再生機構40によって回収再生される。エア吹付手段に供給する空気は予め無菌圧縮エアフィルターや除湿器等を通した清浄な空気や気体が好ましい。本発明では減圧手段や真空手段は、細かい生地屑や製造室の高温多湿な空気までも吸い込むため、エア配管内や吸着部材周辺が不衛生になるので用いない。エア吹き出しとエア配管を共用すると、汚れた空気を反芻する状態に陥り、雑菌が多く増えた空気を生地や生地耳に吹き付けることになり、二次汚染を引き起こす恐れがある。
また、本実施形態では、乗り移りコンベア16から下流コンベア12に油揚げ用の豆腐生地Tfを搬送する際には、図示しない分配機構を用いて、油揚げ用の豆腐生地Tfを千鳥状に下流コンベア12上に配置する。(千鳥式分配については、特開2012-140158号の図17や特開2019-068809号の図25~27参照)
11 上流コンベア(コンベア)
12 下流コンベア(他のコンベア)
20 切断部
21 横切り刃
22 第一切断部
23 縦切り刃
24 角部切断刃
25,28 複合切断刃
40 回収再生機構(回収機構)
41 回収コンベア
45 ホッパー
50 ガイド部材
60 エア吹付手段
Claims (10)
- シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃を有する第一切断部、及び、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、前記縦切り刃の少なくとも一端部に設けられ、前記角部を面取りする角部切断刃と、を一体化した複合切断刃を有する第二切断部を備える切断部、
を有する、豆腐生地の切断装置。 - シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃と、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、前記角部を面取りする角部切断刃と、を一体化した複合切断刃を備える切断部、
を有する、豆腐生地の切断装置。 - 前記複合切断刃を受けるコンベア又は乗り移り板と、
該コンベア又は乗り移り板の下流側に隣接して設けられる、他のコンベア又は他の乗り移り板と、
前記コンベア又は前記乗り移り板と、前記他のコンベア又は前記他の乗り移り板との間の隙間部分を少なくとも覆うように、前記隙間部分の下方に設けられ、前記シート状の豆腐生地から前記油揚げ用の豆腐生地を切断した際に発生する耳片を受けて回収する回収機構と、
をさらに有する、請求項1又は2に記載の豆腐生地の切断装置。 - 前記コンベアの前記複合切断刃より下流側と、前記他のコンベア又は他の乗り移り板との少なくとも一方の上方には、前記耳片を前記回収機構に向けて下方に落とすためのエア吹付手段を備える、請求項3に記載の豆腐生地の切断装置。
- 前記コンベアの前記複合切断刃より下流側の幅方向両側部には、前記耳片を前記回収機構に向けて下方に落とすためのガイド部材を備える、請求項3又は4に記載の豆腐生地の切断装置。
- 前記シート状の豆腐生地を搬送するコンベアと、
前記コンベアの下流側に隣接して設けられ、前記切断部の複合切断刃を少なくとも受けると共に、前記シート状の豆腐生地から前記略矩形状の豆腐生地を切断した際に発生する耳片の形状に対応する貫通孔を備えるまな板部と、
前記まな板部の下方に設けられ、前記耳片を回収する回収機構と、
をさらに有する、請求項1に記載の豆腐生地の切断装置。 - 前記第二切断部は、前記角部切断刃の位置に対応して設けられ、前記角部切断刃が前記豆腐生地の角部を切断すると同時に、前記耳片を前記回収機構に排出する打ち抜きピンを有する、請求項6に記載の豆腐生地の切断装置。
- 前記シート状の豆腐生地を搬送するコンベアと、
前記コンベアの下流側に隣接して設けられ、前記切断部の複合切断刃を少なくとも受けると共に、前記シート状の豆腐生地から前記略矩形状の豆腐生地を切断した際に発生する耳片の形状に対応する貫通孔を備えるまな板部と、
前記まな板部の下方に設けられ、前記耳片を回収する回収機構と、
をさらに有する、請求項2に記載の豆腐生地の切断装置。 - シート状の豆腐生地から角部が面取りされた略矩形状の油揚げ用の豆腐生地を切断する豆腐生地の切断装置であって、
前記シート状の豆腐生地の搬送方向に対して直交する方向に前記豆腐生地を切断する横切り刃と、前記搬送方向と同じ方向に前記豆腐生地を切断する縦切り刃と、前記角部を面取りする角部切断刃と、を備える切断部と、
前記角部切断刃を少なくとも受けるコンベア又は乗り移り板と、
該コンベア又は乗り移り板の下流側に隣接して設けられる、他のコンベア又は他の乗り移り板と、
前記コンベア又は前記乗り移り板と、前記他のコンベア又は前記他の乗り移り板との間の隙間部分を少なくとも覆うように、前記隙間部分の下方に設けられ、前記シート状の豆腐生地から前記油揚げ用の豆腐生地を切断した際に発生する耳片を回収する回収機構と、
を有する、豆腐生地の切断装置。 - 請求項1~9のいずれか1項に記載の豆腐生地の切断装置を用いて、シート状の豆腐生地から切断された、角部が面取りされた略矩形状の油揚げ用の豆腐生地を製造する油揚げの製造方法。
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