TWI694773B - Roll up device - Google Patents

Abstract

The present invention relates to a dough piece spreading device for expanding dough pieces formed into a generally triangular shape like a croissant dough before being rolled up, and a dough piece spreading method for spreading the stretched dough A roll-up device for rolling up the sheet, a roll-up dough shaping device for rolling up the expanded dough sheet while correcting the shape, and a roll-up dough shaping method. The dough sheet spreading device includes a conveying device (7) for conveying the dough sheet (3), and a spreading roller (9) disposed above the conveying device (7). The spreading roller (9) is a A plurality of protrusions (9B) along the circumferential direction are provided on the outer periphery.

Description

Roll up device

The present invention relates to a dough piece spreading device for expanding dough pieces formed into a generally triangular shape like a croissant dough before being rolled up, and a dough piece spreading method for spreading the stretched dough A roll-up device for rolling up the sheet, a roll-up dough shaping device for rolling up the expanded dough sheet while correcting the shape, and a roll-up dough shaping method.

Conventionally, for example, in the case of manufacturing croissants, a belt-shaped food dough (laminated dough) conveyed in a longitudinal direction by a belt conveyor as a conveying means is cut into isosceles triangles by a cutting device, The directionality of the dough piece is made constant so that the bottom side of the dough piece cut into a triangular shape becomes the downstream side. Next, the triangular dough pieces are rolled from the bottom side to the triangular top side by a rolling device, thereby forming a linear croissant with a thick central portion and thin both ends.

However, when the center line of the triangle-shaped dough pieces does not coincide with the conveying direction of the belt conveyor and is rolled up obliquely, or the dough pieces formed are curved rather than an isosceles triangle shape, etc., there is a cause of the top The center position of the rolled croissant is biased to the end side, so that the shape is not a symmetrical spindle.

For example, as a conventional rolling device equipped with a dough sheet spreading device, there is a device as follows. The rolling device is arranged on the downstream side of a pair of upper and lower pair of stretching rolls, and is close to the upstream side of the stretching roll It is equipped with a dough piece pressing device composed of a plurality of belts. The plurality of belts are stretched and erected between at least two rollers arranged in parallel on the conveying surface, so that the belt is slower than the extension rollers and is used to The conveyor that transports the dough pieces operates at the same speed (see Patent Document 1).

In addition, as other conventional dough sheet stretching apparatuses, there are apparatuses as follows, which are near the upstream side of a pair of stretching rolls composed of an upper roll and a lower roll, and are provided with a first belt conveyor A second belt conveyor is provided near the downstream side of the spreading roller, and a pressing roller is provided on the upstream side of the upper roller above the downstream end of the first belt conveyor. Furthermore, the upper roller and the pressing roller are provided so as to move up and down integrally. In addition, the peripheral speed of the pressing roller is approximately the same as the conveying speed of the first belt conveyor. The peripheral speed of the upper and lower extension rollers and the conveying speed of the second belt conveyor are set to be higher than that of the first belt conveyor. The handling speed is faster.

In addition, above the first belt conveyor and on the upstream side of the pressing roller, there is a sensor for detecting the dough pieces being transported. The pressing roller and the upper roller, when the dough pieces are in the ascending state waiting for transportation, calculate the transportation position of the dough pieces according to the detection signal from the sensor, and pass the up and down at the bottom of the triangle shaped dough pieces After extending the center position of the roller, the pressing roller and the upper roller will be lowered to the set height position to press the dough sheet.

Next, the dough sheet stretches toward the conveying direction and extends long toward the top side (refer to Patent Document 2).

[Prior Technical Literature] [Patent Literature]

Patent Document 1: Japanese Shikai Hei 2-78082

Patent Document 2: Japanese Patent Laid-Open No. 2010-172228

The dough sheet spreading device described in Patent Document 1 discloses a technique for solving the problem that when a dough roll is stretched by a spreading roll, the dough blocks are unevenly present in the dough to make the dough The sheet extends unevenly, causing the top side to bend. That is to say, the conventional dough sheet spreading device is used to prevent the dough sheet from bending when the dough sheet is stretched. When the dough sheet supplied in the bent state is stretched, it will be wrong. The bending is corrected to extend directly in the conveying direction in a curved state. Therefore, there is a problem that the rolled position of the top of the rolled croissant is shifted from the center position to the end side, and the shape is not a symmetrical spindle shape.

In addition, when the center line of the triangle-shaped dough pieces does not coincide with the conveying direction of the belt conveyor and is transported obliquely, there is a corner of one of the bottoms of the dough pieces that will contact the pressing roller earlier than the corners of other orientations , And further contribute to the problem of tilting the dough pieces. In order to solve this problem, the dough sheet spreading device described in Patent Document 2 makes the pressing roller and the upper roll stand by until the bottom of the dough sheet passes through the center of the upper and lower spreading rolls. As a result, the inclination of the dough pieces that promote the triangle shape can be suppressed, but the inclination cannot be corrected.

In addition, even when the formed dough piece is not in an isosceles triangle shape and is supplied in a curved state, the dough piece cannot be corrected to a substantially isosceles triangle shape.

Therefore, there is a problem that the shape of the rolled croissant does not become a symmetrical spindle shape.

The present invention has been completed in view of the aforementioned conventional problems. In the invention of the first aspect, it is a dough piece spreading device having the following structure, which is a dough for spreading dough pieces of a substantially triangular shape The sheet spreading device includes a placing table for placing the dough pieces, and a spreading roller rotating above the placing table, the spreading roller is provided with a plurality of protrusions formed along the circumferential direction, and The relative movement of the setting table and the spreading roller spreads the dough sheet.

In addition, in the invention of the second aspect, it is set as the dough sheet spreading device of the following structure. In the dough sheet spreading device of the invention of the first aspect, the placing table is used to carry the dough sheet toward the downstream side Handling device for handling.

Further, in the invention of the third aspect, it is set as the dough sheet spreading device constructed as follows. In the dough sheet spreading device of the invention of the second aspect, the distance between the conveying device and the spreading roller is adjustable.

In addition, in the invention of the fourth aspect, it is set as the dough sheet spreading device of the following structure. In the dough sheet spreading device of the invention of the second or third aspect, an actuator and a sensor are provided. The actuator is used to relatively raise and lower the spreading roller to the conveying device; the sensor is used to detect the dough sheet conveyed to the upstream side of the spreading roller, and is provided with a control device, which is based on the sensing The detection signal of the controller controls the aforementioned actuator.

In addition, in the invention of the fifth aspect, the dough sheet spreading device having the following structure is provided. In the dough sheet spreading device of the invention of the fourth aspect, a control device is provided, which is based on the detection of the aforementioned sensor Signal to calculate the conveying position of the dough piece, and control the actuator so that after the bottom edge of the dough piece on the downstream side passes below the center position of the extension roll, the extension roll is lowered to move the dough The film is extended.

In addition, in the invention of the sixth aspect, the dough sheet spreading device having the following structure is provided. In the dough sheet spreading device of any of the second to fifth aspects, the conveying device includes: the first A conveying device and a second conveying device arranged downstream of the first conveying device, the stretching roller includes an upstream-side stretching roller arranged above the first conveying device, and the second conveying device The downstream side of the roll is extended.

Furthermore, in the invention of the seventh aspect, it is a rolling device having the following structure, which is arranged on a conveying device for conveying dough pieces, and includes a rotating wheel, a rolled sheet, and a pressing plate, the rolled sheet It is composed of a deformable soft member for rolling up the dough sheet; the pressing plate is used to press the upstream side of the aforementioned rolled sheet.

In addition, in the invention of the eighth aspect, it is a rolling device having the following structure. In the rolling device of the invention of the seventh aspect, instead of the pressing plate, a roll for rolling the dough sheet is provided. The platen, the rolled sheet, is mounted on the rotary platen.

In addition, in the invention of the ninth aspect, it is a rolling device having the following structure, and in the invention of the seventh or eighth aspect, the rolling device is further provided with a winding sheet, which is disposed on the roll The downstream side of the sheet is composed of a deformable flexible member.

In addition, in the invention of the tenth aspect, the winding device has the following structure, and in the invention of the ninth aspect, the winding device is further provided with a shaping sheet connected to the downstream end of the aforementioned winding sheet And is made of deformable soft members.

In addition, in the invention of the eleventh point of view, it is set as the winding device of the following structure. In the invention of any one of the seventh point of view to the tenth point of view, the plural rotation wheels are used for adjustment. The gap with the conveying surface of the aforementioned conveying device is configured to be movable up and down.

In addition, in the invention of the twelfth aspect, it is set as the rolling device of the following structure. In the rolling device of the invention of the eighth aspect, the rotary plate is provided so as to be opposite to the conveying direction of the dough piece The aforementioned rotating wheel performs position adjustment.

In addition, in the invention of the thirteenth aspect, it is set as the winding device of the following structure, and in the invention of any one of the seventh, ninth, and tenth aspects, the sheet is rolled up At least one of the rolled sheet and the shaped sheet is provided with a long hole or a cutting line at the center in the width direction, and is provided so as to be deformable into a mountain shape with respect to the width direction along the surface shape of the rolled dough.

In addition, in the invention of the 14th aspect, it is set as the rolling device of the following structure. In the rolling device of the invention of the 9th aspect, the aforementioned winding sheet is a plurality of sheet members and a mesh member in width The directions are juxtaposed and overlapped up and down, and are combined by a bonding member.

In addition, in the invention of the fifteenth aspect, it is set as the rolling device of the following structure, and in the rolling device of the invention of any one of the seventh, ninth, and tenth points, the rolled sheet , At least one of both the winding sheet and the shaping sheet is provided with a guide plate for preventing the sheet from shifting in the width direction.

In addition, in the invention of the 16th viewpoint, it is set as the winding device of the following structure. In the winding device of the invention of the 8th viewpoint, the rotation wheel can adjust the rotation speed by controlling the rotation of the motor The aforesaid rotary pressure plate is elastically pressed toward the side of the conveying device by the baffle.

Furthermore, in the invention of the seventeenth point of view, the rolled dough shaping device having the following structure is used, and the dough sheet spreading device according to any one of the second point of view to the fifth point of view is used. The conveying device includes: A conveying device and a second conveying device arranged on the downstream side of the first conveying device. The rolled dough shaping device is provided with a rolling device on the second conveying device.

In addition, in the invention of the 18th aspect, it is set as the rolled dough shaping device of the following structure. In the rolled dough shaping device of the invention of the 17th viewpoint, the rolling device includes a rotating wheel, a rolled sheet, And a pressing plate, the rolled sheet is composed of a deformable soft member for rolling the dough sheet; the pressing plate is used to press the upstream side of the rolled sheet.

In addition, in the invention of the 19th aspect, the rolled dough shaping device has the following structure. In the rolled dough shaping device of the invention of the 17th viewpoint, the rolling device includes a rotating wheel, a rolled sheet, And a rotating plate, the rolled sheet is composed of a deformable soft member for rolling the dough sheet; the rotating plate is used for rolling the dough sheet, and the rolled sheet is installed on the aforementioned Swage board.

In addition, in the invention of the 20th aspect, the rolled dough shaping device of the following structure is provided. In the rolled dough shaping device of the invention of the 19th aspect, it is provided that the rotating wheel is carried out with respect to the second conveying device. A second actuator that moves up and down, and is equipped with a control device that transfers the dough piece with the solid inner material on the upper side of the bottom side of the dough piece by the first conveying device, according to the sense The detection signal of the detector is used to calculate the conveying position of the dough piece, and the actuator is controlled so that after the inner material passes below the center position of the extension roll, the extension roll is lowered to extend the dough piece. And controlling the second actuator to raise the rotating wheel to contact the inner material, and after the inner material passes through the lower end of the rotating wheel, lower the rotating wheel to press the dough piece tightly against the Second handling device.

Further, in the invention of the 21st viewpoint, it is set as the rolled dough shaping device of the following structure, and in the rolled dough shaping device of the invention of the 19th viewpoint, the conveying surface of the second conveying device is set to be The conveying surface of the first conveying device is higher and there is a step difference, and/or the conveying speed of the second conveying device is set to be faster than the conveying speed of the first conveying device and a speed difference is provided, The dough sheet on which the solid inner material is placed on the bottom side is conveyed by the first conveying device. When the dough sheet is transferred from the first conveying device to the second conveying device, the step difference and /Or speed difference, the bottom side of the dough piece is bent upwards, the bottom side end face is in contact with the rotating wheel, and the dough piece and the inner material are sandwiched between the rotating wheel and the second conveying device After starting to wrap around the inner material, it comes into contact with the squeeze plate, and the dough piece is further wound around the inner material in a state of being sandwiched between the squeeze plate and the second conveying device. The roll-up dough shaping device performed in this manner includes a second actuator that raises and lowers the rotating wheel relative to the second conveying device, and a control device that controls the second actuator After the dough piece is in contact with the rotary platen, the rotating wheel is lowered to press the dough piece against the second conveying device, and the actuator is controlled to lower the extension roller to lower the dough The film is extended.

Furthermore, in the invention of the 22nd viewpoint, it is a dough sheet spreading method of the following structure, which spreads a dough sheet having a substantially triangular shape, and is provided with a placing table and an expanding roller, and the placing table is used to carry Placing the dough sheet; the spreading roller is rotated above the placing table, the spreading roller is provided with a plurality of protruding portions formed along the circumferential direction, and is opposed by the placing table and the spreading roller A person who moves to stretch the dough sheet, and when the dough sheet is pinched between the placing table and the stretching roller, passes through the protrusions while suppressing the movement of the dough sheet in the width direction by the protruding portion and making the dough The stagnation dough of the sheet is pushed back toward the upstream side along the aforementioned moving direction, while being stretched.

In addition, in the invention of the 23rd viewpoint, it is set as the dough sheet spreading method of the following structure, and in the dough sheet stretching method of the invention of the 22nd viewpoint, the said stretching roller is provided so that it can raise and lower with respect to the said mounting table When the bottom edge of the dough sheet on the downstream side passes below the extension roller, the distance between the extension roller and the placing table is relatively far away, and after the bottom edge passes below the center position of the extension roller, make The aforementioned interval is close to the required interval, and the aforementioned dough sheet is extended.

Furthermore, in the invention of the 24th viewpoint, the rolled dough shaping method of the following structure uses the dough sheet spreading method of the invention of the 22nd viewpoint, and the said mounting table conveys the said dough sheet to the downstream side The device is provided with a rolling device on the downstream side of the stretching roller, and after the dough sheet is stretched by the stretching roller, it is rolled by the winding device.

In addition, in the invention of the 25th viewpoint, the rolled dough shaping method of the following structure is adopted. In the rolled dough shaping method of the invention of the 24th viewpoint, the dough sheet is placed between the spreading roller and the conveying device. The first conveying device provided is extended, and the rolling device is provided above the second conveying device included in the conveying device. When the dough sheet is rolled up, the rotating wheel provided in the rolling device will The dough piece is pressed firmly against the second conveying device.

In addition, in the invention of the 26th viewpoint, the rolled dough shaping method of the following structure is adopted. In the rolled dough shaping method of the invention of the 24th viewpoint, the bottom side of the dough sheet is placed on the upper side The dough sheet with the solid inner material is conveyed by the first conveying device, and when the inner material on the dough sheet passes below the extension roller, the extension roller is raised to move away from the inner material and pass through the inner material After the center of the extension roll is lowered, the extension roll is lowered to extend the dough sheet. The roll-up device is provided with a rotating wheel that can be raised and lowered relative to the conveying device. When the material passes under the rotating wheel, the rotating wheel is raised to contact the inner material, and after the inner material passes through the lower end of the rotating wheel, the rotating wheel is lowered to press the dough piece against the second Handling device.

In addition, in the invention of the 27th viewpoint, the rolled dough shaping method of the following structure is adopted. In the rolled dough shaping method of the invention of the 26th viewpoint, when the rotating wheel comes into contact with the inner material, the roll The lifting device starts to roll up the aforementioned dough pieces.

In addition, in the invention of the 28th viewpoint, the rolled dough shaping method of the following structure is adopted. In the rolled dough shaping method of the invention of the 24th viewpoint, the conveying surface of the second conveying device of the aforementioned rolling device Set to be higher than the conveying surface of the first conveying device with a step difference, and/or set the conveying speed of the second conveying device to be faster than the conveying speed of the first conveying device with a speed difference, The dough sheet on which the solid inner material is placed on the bottom side of the dough sheet is conveyed by the first conveying device, and when the dough sheet is transferred from the first conveying device to the second conveying device Utilizing the step difference and/or speed difference, the bottom side of the dough piece is bent upward, and the end surface of the bottom side contacts the rotating wheel, and the dough piece and the inner material are sandwiched between the rotating wheel and the second conveying device After the state starts to wind around the inner material, it comes into contact with the rotating platen of the rolling device, and the dough sheet is further wound in a state of being sandwiched between the rotating platen and the second conveying device. Around the inner material, in the roll-up dough shaping method performed in this way, after the dough sheet is in contact with the turning platen, the stretching roller is lowered to stretch the dough sheet, and the rotating wheel is made Lower to press the dough piece against the second conveying device.

In addition, in the invention of the 29th viewpoint, the rolled dough shaping method of the following structure is adopted. In the rolled dough shaping method of the invention of the 26th or 28th viewpoint, on the bottom side of the dough piece A concave portion is formed on the upper surface, and the inner material is placed in the concave portion.

According to the present invention, an extension roll provided with a protruding portion is provided above the conveying device, and the dough is nipped by the conveying device and the extension roll to be stretched, whereby the dough formed into a substantially triangular shape in a curved state can be formed The piece is corrected to be approximately isosceles triangle shape. In addition, by rolling up the dough pieces having a substantially isosceles triangle shape after correction, the top of the rolled croissant can be placed at the center of the croissant, and a croissant having a symmetrical spindle shape is manufactured.

1‧‧‧Dough sheet spreading device

3‧‧‧Dough pieces

3A‧‧‧Top

3B, 3C‧‧‧Bevel

3D‧‧‧Bottom

3E‧‧‧recess

5‧‧‧The first handling device

5F‧‧‧Front end

7‧‧‧Second conveying device

7B‧‧‧ Rear

9‧‧‧Expansion roller

9B‧‧‧Projection Department

9BS‧‧‧Bottom

9S‧‧‧Perimeter

10‧‧‧Control device

23‧‧‧Sensor

25‧‧‧cutting device

61‧‧‧ Rolling device

71‧‧‧Upstream side sheet expansion device

73‧‧‧Expansion roller

73B‧‧‧Projection Department

73S‧‧‧Perimeter

91‧‧‧ Downstream side piece extension device

101‧‧‧Dough sheet spreading device

103, 105, 109‧‧‧Dough pieces after extension

111‧‧‧Expansion roller

121‧‧‧Placing table, conveying device

203, 205, 207, 209

401‧‧‧ Rolling dough shaping device

403‧‧‧Dough sheet spreading device

409‧‧‧Extended Roller Department

410‧‧‧Expansion roller

423‧‧‧ Rolling device

425‧‧‧ Roll up

427‧‧‧Tightening Department

429‧‧‧Plastic Department

471‧‧‧ Roll up

501‧‧‧ Rolling dough shaping device

503‧‧‧ Rolling device

505‧‧‧ Roll up

CL‧‧‧Centerline

R‧‧‧Handling direction

[FIG. 1] It is a top view which shows the structure of the dough piece spreading apparatus of the 1st Embodiment of this invention.

[Fig. 2] It is a front view showing the structure of the dough sheet spreading device according to the first embodiment of the present invention.

[FIG. 3] It is explanatory drawing which shows the structure of the cutting device provided in the upstream side of the dough sheet spreading apparatus of 1st Embodiment of this invention, (a) figure is a top view, (b) figure is a front view.

[FIG. 4] It is explanatory drawing which shows the operation of the dough piece spreading apparatus of the 1st Embodiment of this invention, (a) figure and (b) figure show each step.

[FIG. 5] It is explanatory drawing which shows the important part of the dough sheet spreading apparatus of 1st Embodiment of this invention, (a) figure is a top view, (b) figure is a front view.

[Figure 6] is a plan view schematically showing the action of the dough piece spreading device of the first embodiment of the present invention on dough pieces, (a) the figure shows the dough piece before spreading, (b) the figure shows the after stretched Dough pieces.

[FIG. 7] It is a top view which shows the structure of the dough piece spreading apparatus of 2nd Embodiment of this invention.

[FIG. 8] It is a front view showing the structure of the dough sheet spreading apparatus of the second embodiment of the present invention.

[FIG. 9] It is explanatory drawing which shows the structure of the cutting device provided in the upstream side of the dough sheet spreading apparatus of 2nd Embodiment of this invention, (a) figure is a top view, (b) figure is a front view.

[FIG. 10] It is explanatory drawing which shows the structure of the spreading roller of the 3rd Embodiment of this invention, (a) figure is a top view, (b) figure is a front view.

[Fig. 11] It is a plan view showing the structure of a rolled dough shaping device according to a fourth embodiment of the present invention.

[Figure 12] is a front view showing the structure of a rolled dough shaping device according to a fourth embodiment of the present invention.

[Fig. 13] It is an explanatory view showing the structure of a dough piece spreading device and a rolled-up portion of a rolled-up dough shaping device according to a fourth embodiment of the present invention, (a) is a plan view, (b ) The front view of the graph.

[FIG. 14] It is an explanatory view showing the structure of the winding portion of the rolling device included in the rolling dough shaping device according to the fourth embodiment of the present invention, (a) a plan view, and (b) a front view. , (C) Figure side view.

[Fig. 15] It is an explanatory diagram showing the structure of the shaping section of the rolling device included in the rolling dough shaping device according to the fourth embodiment of the present invention. (a) is a plan view and (b) is a front view. (c) Side view of the diagram.

[FIG. 16] It is a top view which shows the shaping|molding of the dough piece by the winding-up part of the winding-up apparatus provided with the rolling-up dough shaping apparatus of 4th Embodiment of this invention.

[Figure 17] An explanatory view showing an application example of a roll-up portion of a roll-up device provided in a roll-up dough shaping device according to a fourth embodiment of the present invention, (a) a plan view, (b) a front view Figure.

[Figure 18] is a plan view showing the structure of a rolled dough shaping device according to a fifth embodiment of the present invention.

[FIG. 19] It is a front view showing the structure of the roll-up dough shaping apparatus of the fifth embodiment of the present invention.

[FIG. 20] It is a figure which shows continuously the state of each apparatus regarding the 3rd example of the rolling method of the dough piece 3 on which the inner material 6 is mounted in the 5th Embodiment of this invention.

[FIG. 21] It shows the concave part (concave groove) formed in the upper surface vicinity of the bottom side of a dough piece, and the state in which the inner material was arrange|positioned at this concave part.

[FIG. 22] It is explanatory drawing which shows the structure of the dough sheet spreading apparatus of 6th Embodiment of this invention, (a) figure is a top view, (b) figure is a front view.

The dough sheet spreading device 1 according to the first embodiment of the present invention will be described using FIGS. 1 to 6. The dough sheet spreading device 1 is provided with a first conveying device 5 for conveying the dough sheet 3, a second conveying device 7 connected to the conveying device 5, and a spreading roller 9. Furthermore, a control device 10 for controlling each device is provided.

The dough piece 3 is described as a croissant dough by cutting out a generally triangular shape from a wide strip-shaped dough sheet 2. Here, for convenience of description, the top of the substantially triangle is referred to as 3A, the oblique sides on the left and right are referred to as 3B and 3C, and the bottom is referred to as 3D. In addition, the so-called substantially triangular dough includes the concept of a substantially trapezoid-shaped dough piece whose length of the top 3A is shorter than the length of the bottom 3D. On the upstream side of the dough sheet spreading device 1, a cutting device 25 is provided above the belt conveyor 26. The cutting device 25 shown in FIG. 3 is provided with a rotary blade 29 and a circular blade 31 of a circular blade type. The rotary blade 29 is provided on the outer periphery of the cylindrical portion 28 to cut off the beveled edges 3B and 3C Blade 27; the circular cutter 31 is arranged close to the downstream side and is used to cut out the top 3A and the bottom 3D.

Both ends of the rotating shaft 30 of the rotating blade 29 are rotatably supported on the conveyor frame 26F of the belt conveyor 26. In addition, a circular roller 33 is fixed to the rotating shaft 30 on both sides of the rotating blade 29. The roller 33 is in contact with the conveying surface of the conveyor belt 26B and rotates by friction, thereby driving the peripheral speed of the rotary blade 29 to be the same speed as the conveying speed of the conveyor belt 26B. In addition, the circular cutter 31 is supported by a rotary shaft 32, and both end portions of the rotary shaft 32 are rotatably supported on the conveyor frame 26F. The circular cutter 31 is a roller that passively rotates by bringing the round rollers 35 fixed to both ends of the rotating shaft 32 into contact with the conveying surface of the conveyor belt 26B.

In this embodiment, the cutting device 25 is provided with four circular cutters 31 at equal intervals, and cuts the dough pieces 3 in three rows in the width direction from the dough sheet 2. The two end portions 2A of the dough sheet 2 cut out by the circular cutters 31 at both ends are guided by the guide member 4 and discharged toward both sides of the belt conveyor 26.

Although not shown in the third drawing, the cutting device 25 may be provided with an indentation roller in addition to the rotary blade 29 and the circular cutter 31. This indentation roller clamps the dough sheet 3 between the conveying surface of the conveyor belt 26B and the indentation roller, and forms a concave parallel to the top 3A and bottom edge 3D near the top 3A and bottom edge 3D of the dough sheet 3 The shape of the groove (also known as the recess). As described later, before the dough sheet 3 is rolled up, the inner material is placed in the concave portion provided near the bottom edge 3D.

The dough piece 3 is cut into a substantially triangular shape by the cutting device 25 described above. The dough piece 3 is pushed back upstream when the top 3A and the bottom 3D are cut while contacting the left and right sides of the circular cutter 31, so that the entire dough piece 3 is bent toward the upstream side and formed. Alternatively, the dough sheet 3 is formed by bending the dough sheet 2 due to the stress generated in the dough when the dough sheet 2 is formed. Thereafter, the dough sheet 3 is rotated on the belt conveyor 26 such that the bottom edge 3D of the dough sheet 3 is arranged on the downstream side by a well-known turning device, and is conveyed to the first conveying device 5. In the following description, the dough pieces 3 are transported in one row along the transport direction R.

The first conveying device 5 is a belt conveyor. The front end portion 5F of the first conveying device 5 is configured such that the conveyor belt 17 is wound around a conveyor front end plate 13 rotatably supported by a support shaft 11 and a front end roller 15 rotatably supported at the front end portion. In addition, the conveyor front end plate 13 is connected to the linear motion type actuator 19 installed in the first conveying device 5 through the bracket 21. Therefore, the front end portion 5F is provided so that the support shaft 11 can be pivoted up and down by the back and forth movement of the linear motion type actuator 19 installed inside the first conveying device 5. Furthermore, the actuator 19 can control the up and down movement position.

Above the first conveying device 5, a photoelectric sensor 23 for detecting the dough sheet 3 being conveyed is installed. If the sensor 23 detects the dough piece 3, the sensor 23 sends a detection signal to the control device 10, and based on the detection signal, the arithmetic processing device 37 of the control device 10 will calculate the transportation of the dough piece 3 Position, and based on this position information, the actuator 19 and the actuator 49 mentioned later are controlled.

The second conveying device 7 is a belt conveyor arranged near the downstream side of the first conveying device 5. The rear end portion 7B of the second conveying device 7 is configured to wrap the conveyor belt 47 around the conveyor rear end plate 43 rotatably supported on the support shaft 41 and rotatably supported behind the rear end portion端滚45。 End roller 45. In addition, the conveyor rear plate 43 is connected to the linear motion actuator 49 installed in the second conveying device 7 through the bracket 51. Therefore, the rear end portion 7B is provided so that the pivot 41 can be pivoted up and down by the back and forth movement of the linear motion actuator 49. Furthermore, the actuator 49 can control the vertical movement position.

The extension roller 9 is provided above the rear end 7B of the second conveying device 7 at a required distance from the conveying surface of the second conveying device 7 (the upper surface of the conveyor belt 47). The extension roller 9 arranges the rotating shaft 9A in the width direction of the second conveying device 7 (horizontal direction orthogonal to the conveying direction R of the second conveying device 7), and transmits one end of the rotating shaft 9A through the positive The power transmission mechanism 57 such as a time belt is linked to the control motor 59. The other end of the rotating shaft 9A is rotatably supported on the upper surface of the conveyor frame 8. In addition, the extension roller 9 is formed with a plurality of protrusions 9B along the circumferential direction at equal intervals in the axial direction with the same shape. Here, the protrusion 9B has a trapezoidal shape in a horizontal section. In addition, the outer portion of the spreading roller 9 is defined as the outer periphery 9S, and the valley between the protrusions 9B is defined as the bottom portion 9BS.

The peripheral speed of the stretching roller 9 is controlled to be substantially the same as or slightly faster than the conveying speed of the second conveying device 7. In addition, the peripheral speed of the spreading roller 9 and the conveying speed of the second conveying device 7 are controlled to be driven faster than the conveying speed of the first conveying device 5.

On the downstream side of the dough piece spreading device 1, a rolling device 61 for rolling up the dough piece 103 stretched by the dough piece spreading device 1 is provided. The roll-up device 61 is provided with a curtain-shaped curling net 63. The crimped net 63 is detachably hung on a span shaft 65, and the span shaft 65 is supported by a bracket 67 erected on the upper surface of the conveyor frame 8 of the second conveying device 7.

Next, the operation of the dough sheet spreading device 1 of the first embodiment will be described. The dough piece 3 is conveyed by the first conveying device 5 and detected by the sensor 23. The sensor 23 sends the detection signal to the control device 10. The control device 10 drives the actuators 19 and 49 based on the detection signal to lower the front end portion 5F and the rear end portion 7B (see FIG. 4(a)). The dough sheet 3 is conveyed without contacting the extension roller 9, and after the bottom edge 3D of the dough sheet 3 passes under the center of the extension roller 9 (synonymous with the rotation center of the rotating roller 9A), the front end portion 5F and the rear end portion 7B It rises, and the dough piece 3 is pinched between the spreading roller 9 and the conveying surface of the conveyor belt 47, and spreads over the entire length (see FIG. 4(b)).

Next, the function of the stretching roller 9 will be described. In the conventional case where the dough sheet 3 formed into a curved shape is extended by a cylindrical extending roller without a protruding portion, the curved shape is extended so as to extend the entire curved shape, so it is impossible Correct the bending of the dough piece 3. However, by using the extension roller 9 provided with the protruding portion 9B, the curvature of the dough sheet 3 can be corrected to form a substantially isosceles triangle shape (refer to FIG. 5). Specifically, it will be described below.

The extension roller 9 is formed with a plurality of protrusions 9B along the circumferential direction at equal intervals in the axial direction with the same shape. When the dough sheet 3 is pinched between the spreading roller 9 and the conveying surface of the conveyor belt 17, the dough sheet 3 is pressed against the protrusion 9B. Next, the dough sheet 3 is stretched on the protruding strip portion 9B of the stretch roll 9 and also stretched on the bottom 9BS. As shown in FIG. 5(b), if the initial thickness of the dough before stretching is T1, the interval between the bottom 9BS of the stretching roller 9 and the conveyor belt 47 is T2, and the outer periphery 9S of the stretching roller 9 and the transportation If the interval of the belt 47 is T3, T1>T2>T3, and the dough sheet 3 will be stretched from the initial thickness T1 to be thinner. Although a valley corresponding to the interval T2 to the interval T3 is formed on the upper surface of the dough sheet 3, the dough sheet 103 is uniformly formed as a whole, that is, the height of the mountain is approximately uniform.

The dough of the dough piece 3 is restrained from moving in the width direction by the protruding portion 9B, and stays on the upstream side of the extension roller 9 in a bulge. The remaining dough 3H is pushed back toward the top 3A side inside the dough sheet 3 as the dough sheet 3 is conveyed. Moreover, the dough piece 3 is deformed according to the extended length of each part, and the expanded dough piece 103 is formed into a substantially isosceles triangle shape.

The mechanism for deforming the dough piece 3 into a substantially isosceles triangle shape will be described briefly using FIG. 6. Here, an imaginary line passing through the center of the bottom edge 3D of the dough piece 3 along the conveying direction R is defined as the center line CL. As shown in FIG. 6(a), the dough piece 3 has an offset shape in which the top 3A is bent to the right side of the conveyance with respect to the center line CL of the dough piece 3. The length of the dough is shown at equal intervals in the width direction with respect to this center line CL. Set the length of the dough corresponding to the dough piece 3 on the center line to C1, set the length of the dough from the center line CL toward the left to L1, L2, L3, and set the length of the dough from the center line CL toward the right to R1, R2, R3. In addition, the volume of the dough on the left side of the center line CL is VL, and the volume on the right side is VR.

When the dough sheet 3 is extended from the bottom edge 3D side by the extension roll 9 provided with the protruding portion 9B, the dough sheet 3 will form a stagnation dough 3H connected to the width direction of the dough sheet 3 on the upstream side of the extension roll 9, It was pushed back toward the top 3A side. At this time, since the volume VR of the dough piece 3 on the right side of the center line CL is greater than the volume VL on the left side, the amount of the retained dough 3H on the right side of the center line CL will be more than that on the left side. This left side part pushes back more dough.

Use the length of the dough described above to illustrate this pushback. If the left and right dough lengths L1 and R1, L2 and R2, L3 and R3 of the dough piece 3 before extension are compared, the lengths of the dough on the right side of the center line CL are all shown to be longer (refer to FIG. 6(a) ). As described above, since the extension roller 9 is provided with the ridge portion 9B, the dough of the dough piece 3 being expanded cannot be expanded in the width direction. Therefore, the dough in each part is in a state where its length is extended due to the amount of retained dough 3H retained in each part.

In particular, in the case of a viscoelastic substance such as bread dough, the remaining dough 3H of each part will squeeze each other and move toward the top 3A side. In addition, since the dough moves from a place where the amount of the retained dough 3H is large to a small place, the dough in each part does not extend in length in proportion to the conveying direction. That is to say, the dough lengths C1, L1 to L3, R1 to R3 of the dough piece 3 before extension are extended by extension, and, as shown in FIG. 6(b), the top 3A is The dough piece 3 in a curved state deformed so as to be close to the center line CL is a dough piece 103 extending in a shape close to an approximately isosceles triangle into a uniform thickness as a whole.

As can be understood from the above description, the spreading roller 9 has the effect of forming the dough pieces 3 that are not uniform with respect to the center line CL of the dough pieces 3 into uneven dough pieces 3 so that the dough amounts are approximately equal . In addition, by adjusting the distance between the stretching roller 9 and the second conveying device 7, the amount of the retained dough 3H is changed. As a result, the entire length (length along the conveying direction) of the stretched dough sheet 103 can be adjusted. Next, the dough piece 103 is rolled up by the rolling device 61 to form the rolled dough 203. By placing the top 3A of the dough piece 103 on the center line CL, it becomes possible to roll the top 3A toward the center in the longitudinal direction of the rolled dough 203. That is, by providing the dough sheet spreading device 1 and the rolling device 61, the whole is configured as a rolling dough shaping device. In the above description, although the stretching roller 9 is described as being disposed above the end 7B behind the second conveying device 7, it is not limited to this, and the stretching roller 9 may also be disposed on the first conveying device 5 Above.

Next, the dough piece spreading device 101 according to the second embodiment of the present invention will be described using FIGS. 7 to 9. In addition, the structure having the same function as the dough sheet spreading device 1 is denoted by the same symbol, and detailed description is omitted. The dough sheet spreading device 101 is attached to the dough sheet spreading device 1 and has a structure in which an upstream-side spreading roller 73 is added.

The dough sheet spreading device 101 is provided with an upstream side dough piece spreading device 71 and a downstream side dough piece spreading device 91. The upstream side sheet spreading device 71 is provided with the first conveying device 5 and the upstream side extending roller 73 above the front end 5F of the first conveying device 5. The upstream extension roller 73 is provided at a required distance from the conveying surface of the first conveying device 5 (the upper surface of the conveyor belt 17). The upstream extension roller 73 arranges the rotating shaft 74 in the width direction of the first conveying device 5, and links one end of the rotating shaft 74 to the control motor 77 through a power transmission mechanism 75 such as a timing belt . The other end of the rotating shaft 74 is rotatably supported on the upper surface of the frame 6.

The upstream extension roller 73 is formed with a plurality of protrusions 73B along the circumferential direction at equal intervals in the axial direction with the same shape. The shape of the protrusion 73B can be formed to be arbitrary. The peripheral speed of the upstream-side stretching roller 73 is controlled to be substantially the same as or slightly faster than the conveying speed of the first conveying device 5.

The downstream side sheet spreading device 91 is provided with a second conveying device 7 and a downstream side extending roller 93 above the end 7B behind the second conveying device 7. The downstream extension roller 93 is the same as the extension roller 9 described above, and detailed description is omitted.

Next, the operation of the dough sheet spreading device 101 of the second embodiment will be described. The dough piece 3 is conveyed by the first conveying device 5 of the upstream side dough piece spreading device 71 and detected by the sensor 23. The sensor 23 sends the detection signal to the control device 10. The control device 10 drives the actuators 19 and 49 based on the detection signal to lower the front end portion 5F and the rear end portion 7B (refer to FIG. 9(a)). The dough sheet 3 is conveyed without contacting the upstream extension roller 73 and the downstream extension roller 93. After the bottom edge 3D of the dough sheet 3 passes below the center of the downstream extension roller 93, the front end portion 5F and the rear end portion 7B Will rise so that the dough sheet 3 is pinched between the upstream side extension roller 73 and the conveying surface of the conveyor belt 17, and the downstream side extension roller 93 and the conveying surface of the conveyor belt 47, extending over the entire length (refer to 9 Figure (b)).

Next, the operations of the upstream-side spreading roller 73 and the downstream-side spreading roller 93 will be described. In the upstream side sheet stretcher 71, the upstream stretch roll 73 provided with the protruding portion 73B has the following effect, and the dough sheet 3 bent and formed is the same as the stretch roll 9 in the aforementioned dough sheet stretcher 1 The upper half of the is corrected to be approximately an isosceles triangle shape. In addition, since the conveying speed of the second conveying device 7 of the downstream side sheet spreading device 91 can be controlled to be set to be greater than the conveying speed of the first conveying device 5, the difference between the upstream side extending roller 73 and the downstream side extending roller 93 The dough is elongated along the conveying direction R. Furthermore, after the dough sheet 3 passes below the upstream-side extension roll 73, the downstream-side extension roll 93 is made to function to correct the curvature of the dough sheet 3.

The dough sheet stretching device 101 is provided by connecting the upstream side dough sheet stretching device 71 and the downstream side dough sheet stretching device 91 in the conveying direction, and controlling the peripheral speed of the downstream-side stretching roller 93 to be longer than the upstream-side stretching The peripheral speed of the roller 73 is faster, and the dough sheet 3 can be stretched in the conveying direction R for extension, and the bending of the dough sheet 3 can be corrected by two degrees. Therefore, the curved dough sheet 3 can be efficiently formed close to Roughly isosceles triangle shape. Next, the stretched dough sheet 105 is rolled by the rolling device 61 to form the rolled dough 205. This rolled dough 205 can roll the top 3A of the dough sheet 3 toward the center in the longitudinal direction, and shape the rolled shape into a symmetrical spindle shape. In other words, by providing the dough sheet spreading device 101 and the rolling device 61, the whole is configured as a rolling dough shaping device.

Next, the spreading roller 111 of the third embodiment of the present invention will be described using FIG. 10. In addition, the structure having the same function as the dough sheet spreading device 1 is denoted by the same symbol, and detailed description is omitted. The structure of the extension roller 111 is different from the extension roller 9.

The extension roller 111 is movably installed on the mounting table 121 for mounting the dough sheet 3. In the above-mentioned dough sheet stretching device 1, the dough sheet 3 is conveyed by the first conveying device 5 and the second conveying device 7, and is expanded by the expanding roller 9 fixed in the conveying direction R. However, as long as the dough pieces 3 are extended in a row, the dough pieces 3 may be moved relatively to the extension roller. In addition, the placing table 121 may be a belt conveyor-like conveying device that intermittently conveys, or both the stretching roller 111 and the placing table 121 can be moved, and the stretching roller 111 and the placing table 121 are set to Can move relatively.

The spreading roller 111 is provided so as to rotate by a driving mechanism (not shown) so as to extend the dough sheet 3, and can move from the bottom 3D side to the top 3A side of the dough sheet 3. In addition, the extension roller 111 may have a structure in which the main body of the extension roller 111 can rotate with respect to the rotating shaft 111A, or both ends of the main body of the extension roller 111 may be provided with a circle having a diameter larger than the outer circumference 111S of the extension roller 111 The flange 111F rotates by friction with the mounting table 121.

The extension roller 111 is provided with a plurality of substantially semicircular protrusions 111B in the width direction (the axial direction of the extension roller 111), and the adjacent protrusions 111B are connected in a concave semicircle. That is, the surface shape of the extension roller 111 is formed into a wave shape. When the spreading roller 111 is rotated while moving from the bottom 3D side to the top 3A side of the dough sheet 3, the dough sheet 3 spreads on the protrusions 111B of the spreading roller 111 and also spreads on the bottom 111BS. The dough sheet 3 is formed on the upstream side in the moving direction of the extension roll 111 to form a stagnation dough 3H connected to the width direction of the dough sheet 3, and the stagnation dough 3H is pushed back toward the top 3A side. Therefore, the dough piece 3 bent toward one side with respect to the center line CL is corrected to be approximately an isosceles triangle.

Next, the roll-up dough shaping device 401 provided with the dough piece spreading device 403 according to the fourth embodiment of the present invention will be described using FIGS. 11 to 16. The rolling dough shaping device 401 is provided with a dough piece spreading device 403 and a rolling device 423 on the downstream side thereof. The dough piece spreading device 403 is provided with a belt conveyor for transporting the dough pieces 3, that is, the first conveying device 405 and the spreading roller portion 409 above it. The winding device 423 is equipped with a belt conveyor, that is, a second conveying device 407, a winding portion 425, a winding portion 427, and a shaping portion 429. The second conveying device 407 is connected to the first conveying device The downstream side of 405; the rolled-up portion 425 is located at the rear end side of the second conveying device 407, that is, the position above the upstream side thereof. Furthermore, a control device 10 (not shown) for controlling each device is provided. The conveying speed of the second conveying device 407 can be controlled and set to be faster than the conveying speed of the first conveying device 405, for example, about 1.1 times.

On both sides of the first conveying device 405 and the second conveying device 407, a bracket 413 is detachably mounted. In addition, above the front end of the first conveying device 405, an extension roller 409 is provided. The extension roller part 409 is provided with an extension roller 410 for extending the dough sheet 3, and a lifting device 411 for raising and lowering the extension roller 410. The lifting device 411 is mounted on the first cross shaft 415 supported between the two brackets 413. The lifting device 411 is provided with a linear motion type actuator 417 like a fluid pressure cylinder, and a bracket 419 for rotatably supporting the extension roller 410 at the front end of a rod 417R for reciprocating movement. In addition, on the upstream side of the lifting device 411, a sensor 23 for detecting the dough piece 3 being transported is installed. Based on the detection signal of the sensor 23, the control device 10 calculates the conveying position of the dough piece 3, and controls the driving of the actuator 417 based on the position information.

The extension roller 410 is arranged such that the rotating shaft 410A is parallel to the conveying surface of the first conveying device 405 and is arranged along the width direction of the first conveying device 405. The extension roller 410 has a center portion in the longitudinal direction that is thinner than both end portions, and is formed into a drum shape. The extension roller 410 is provided with a protruding portion 410B at both ends, passes through the inclined surface 410C, and has a bottom 410BS at the bottom of the valley between the two. The extension roller 410 is moved up and down relative to the conveying surface (upper surface) of the first conveying device 405 by the back and forth movement of the actuator 417 to move closer to and away from each other. Next, when the spreading roller 410 descends, it is located above the front end roller 421 of the first conveying device 405. The lowering stop position of the extension roller 410 is set so that the entire extension roller portion 409 can be adjusted up and down, or the stroke of the rod 417R of the actuator 417 can be controlled and adjusted.

The roll-up portion 425 of the roll-up device 423 includes two rotating wheels 431, a roll-up sheet 433 made of a deformable flexible member, and a pressing plate 434 for pressing the upstream side of the roll-up sheet 433. The rotating wheel 431 has a gap that can press the dough piece 3 against the conveying surface of the second conveying device 407, and can move up and down to adjust the gap. The rotating wheel 431 is mounted on a rotating shaft 435, and rotates at a speed that is substantially the same as or slightly faster than the conveying speed of the second conveying device 407. The rotating shaft 435 passes through a pair of driving wheels 437 that rotate And the rotation transmission mechanism 439 caused by the belt rotates. The driving wheel 437 is in contact with the surface of the conveyor belt 407B, and rotates by the friction.

字狀的掛止構件440。此外，第二跨軸441，係支承於支架413之間，並將長方體狀之被掛止構件442進行軸固定。而，捲起薄片433，係將掛止構件440可拆卸自如地掛在被掛止構件442上，而使從腕部443B的下端部至捲起薄片433的下游側部分成為載置於第二搬運裝置407之搬運面的樣態。 The rolled sheet 433 has a substantially elongated shape, and a thin uneven surface is formed on the lower surface in contact with the dough sheet 3. The upstream portion of the rolled sheet 433 is formed with a substantially V-shaped notch 433A in order to avoid interference with the rotating wheel 431. The sheet 433 is rolled up, and a pair of arm portions 433B are formed at both ends of the notch portion 433A, and a long hole 433C along the conveying direction R is formed at the center of the downstream portion of the notch portion 433A. The front part of the wrist 433B is installed with a rough

Character-shaped hanging member 440. In addition, the second span shaft 441 is supported between the brackets 413, and fixes the cuboid-shaped hanging member 442 in a shaft. The rolled sheet 433 is detachably hung on the suspended member 442 by the hanging member 440, so that the portion from the lower end of the arm 443B to the downstream side of the rolled sheet 433 is placed on the second The state of the conveying surface of the conveying device 407.

The arm 433B of the rolled sheet 433 is pressed from above by the pressing plate 434 attached to the second cross shaft 441. The pressing plate 434 is used to prevent the rolled sheet 433 from floating when the two sides of the bottom edge 3D of the dough sheet 3 come into contact with the wrist 433B of the rolled sheet 425, so that the rolling of the dough sheet 3 is confirmed. The pressing plate 434 is provided so that the up and down position can be adjusted according to the thickness of the dough piece 3 to be transported. In this embodiment, by moving the second cross shaft 441 up and down, the rotating wheel 431, the upstream portion of the rolled sheet 433, and the pressing plate 434 move up and down integrally.

The winding part 427 is composed of three flexible deformable members along the conveying direction R, and a long thin sheet member 443 with fine irregularities formed on the lower surface is juxtaposed in the width direction. On top of each other, a rolled sheet 446 formed of a single body of a long mesh member 445 made of metal is overlaid. The sheet member 443 and the mesh member 445 of each row are joined at a plurality of places by an annular coupling member 447, so that adjacent rows are connected to each other. The upstream end of each sheet member 443 and the mesh member 445, that is, the upstream end of the rolled sheet 446, is attached with a hanging member 448, and is detachably hung on the third supported by the bracket 413 The suspended member 450 of the cross shaft 449. In addition, the sheet member 443 and the mesh member 445 are not limited to three pieces, but may be plural pieces of two or more pieces, and the width dimension of each member may be formed to be different. It is preferable that the sheet 446 is wound so as to be formed symmetrically in the width direction.

The downstream portion of the sheet member 443 and the mesh member 445 is in the following state: the upper and lower systems are not combined, but are formed into a double strand, and the downstream portion of the sheet member 443 is placed on the conveying surface of the second conveying device 407 . In addition, a hanging member 448 is attached to the downstream end of each mesh member 445, and is detachably hooked on the hanging member 450 of the fourth span shaft 453 supported by the bracket 451. The middle portion of the rolled sheet 443 is placed on the downstream side portion of the rolled sheet 433 and the conveying surface of the second conveying device 407, and is provided so as to be able to roll along the rolled dough passing under it The shape of 205 is deformed. In addition, the bracket 451 is attached to the side surface of the second conveyance device 407.

A guide plate 455 is installed on the third cross shaft 449. The guide plate 455 is used to guide both sides from the upstream end to the middle of the winding sheet 446. In this embodiment, the guide plate 455 also sandwiches the downstream portion of the rolled sheet 433 from both sides, thereby preventing the position of the rolled sheet 446 and the rolled sheet 433 from shifting in the width direction.

The shaping section 429 is composed of a deformable and flexible member, and is provided with a rectangular shaping sheet 457 with fine irregularities formed on the lower surface. The upstream end of the shaped sheet 457 is attached to the hanging member 448, and the hanging member 448 is attached to the downstream end of the mesh member 445. In addition, a hanging member 448 is attached to the downstream end of the shaped sheet 457, and can be detachably hung on the hanging member 450 of the fifth span shaft 459 supported by the bracket 451. The middle portion of the shaped sheet 457 is in a state of being placed on the conveying surface of the second conveying device 407.

In the middle portion of the shaped sheet 457, a long hole 461 is formed along the longitudinal direction (the left-right direction and the conveying direction R in FIG. 15) at the center of the width direction when viewed from above. A rectangular pressing plate 463 is attached to both sides of the downstream portion of the elongated hole 461 in the shaped sheet member 457. Two rod-shaped members 465 are erected on the upper surface of each pressing plate 463. The rod-shaped member 465 allows the plate-shaped scale mound 467 to be detachably stacked on the pressing plate 463.

On the fourth cross shaft 453, guide plates 469 for guiding both sides of the middle portion of the shaping sheet 457 are installed. The guide plate 469 prevents the shaped sheet 457 from shifting in position in the width direction.

Next, the operation of the roll-up dough shaping device 401 of the fourth embodiment will be described. The dough piece 3 is conveyed by the first conveying device 405 and detected by the sensor 23. The sensor 23 sends the detection signal to the control device 10. The control device 10 drives the actuator 407 of the extension roller 409 based on the detection signal, and lowers the extension roller 410 (see FIG. 12). In the present embodiment, the lowering period of the extension roller 410 will be described later as the bottom edge 3D of the dough sheet 3 is sandwiched between the rotating wheel 431 and the conveying surface of the second conveying device 407.

Next, the operation of the extension roller 410 and the winding device 423 will be described. The spreading roller 410 nips the portion of the dough sheet 3 on the top 3A side between the conveying surface of the first conveying device 405, and spreads the dough toward the top 3A (see FIG. 16). The dough on the top 3A side of the dough sheet 3 is restrained from moving in the width direction by the protrusions 410B at both ends of the spreading roller 410 and stays on the upstream side of the spreading roller 410 like a bump. The remaining dough is pushed back toward the top 3A side inside the dough sheet 3 as the dough sheet 3 is conveyed. Next, the dough sheet 3 is pushed back by the inclined surface 410C of the extension roll 410 to deform the top 3A of the dough sheet 3 close to the center line CL, so that the top 3A of the dough sheet 3 in a curved state The side portion is shaped to be approximately an isosceles triangle shape. By placing the top 3A of the dough piece 3 on the center line CL, it becomes possible to roll up the top 3A at the center in the longitudinal direction of the rolled dough 207 when it is rolled in the subsequent step.

The dough sheet 3 is stretched by the spreading roller 410 while being stretched in the conveying direction R between the spreading roller 410 and the rotating wheel 431 using the speed difference between the first conveying device 405 and the second conveying device 407. The dough piece 3 is in contact with the rolled sheet 433 of the rolled-up portion 425 by the rotating wheel 431 in a state of being pressed tightly against the second conveying device, so the dough piece 3 does not slide on the second conveying device. Both sides of the bottom edge 3D are rolled up toward the upstream side. Since the dough 207 is rolled, it is rolled in a state in which tensile stress is generated inside the dough, so the roll is formed into a strong state. The length of the stretched dough sheet can be adjusted according to the degree of pressing of the extension roller 410, that is, the width of the interval between the extension roller 410 and the first conveying device 405, and the rolled dough can be adjusted according to the length 207 rolls.

The rolled dough 207 after being rolled is conveyed by the second conveying device 407 while rotating the rolled sheet 433 below. The downstream portion of the rolled sheet 433 is covered with the rolled sheet 446, and is deformed into a mountain shape in the width direction and the conveying direction so as to follow the shape of the rolled dough 207. The dough near the top 3A of the rolled dough 207 is guided to the long hole 433C of the rolled sheet 433 and is located at the center of the rolled dough 207. In addition, the rolled sheet 433 is provided with a long hole 433C, so that the two sides of the long hole 433C can be easily deformed into an inclined shape along the shape of the rolled dough 207, and the rolled dough 207 can be shaped Symmetrical spindle shape.

Rolling up the dough 207 further strengthens the roll by tightening the middle portion of the rolled sheet 446 to be compressed. The mesh member 445 of the winding sheet 446 is made of metal, and functions as a scale for rolling up the dough 207. Since the sheet 446 is wound up, the three sheet members and the mesh member are aligned side by side in the width direction and overlapped up and down as described above, and are joined by the joining member 448, so that the shape of the rolled dough 207 can be followed The width direction and the conveying direction are softly deformed, and the rolled dough 207 can be wound into a symmetrical spindle shape. By changing the weight of the mesh member 445, the degree to which the rolled sheet 446 deforms into a mountain shape relative to the rolled dough 207 can be adjusted, and the degree to which the rolled dough 207 is rolled can be adjusted.

The rolled dough 207 after passing through the winding part 427 is conveyed to the shaping part 429. The dough 207 is rolled up to contact the middle portion of the shaped sheet 457 and is rotated by the second conveying device 407 while being rotated. The shaping sheet 457 can be deformed in such a way as to have both sides along the surface shape of the rolled dough 207 by having long holes 461, and further, the dough near the top 3A of the rolled dough 207 can be guided to the roll Those who raise the center of the dough 207 in the longitudinal direction and do not crush it excessively to perform shaping.

In the above description, the provision of the guide plate 455 and the guide plate 469 prevents the rolled sheet 433, the wound sheet 446, and the shaped sheet 457 from being displaced in the width direction. Since the rolled dough 207 can be rotated without being offset in the width direction, the rolled dough 207 can be formed into a symmetrical spindle shape. In addition, when the winding tightness of the rolled dough 207 is weak, a rolling device that does not constitute part of the rolled portion 425, the rolled portion 427, or the forming portion 429 may be provided. For example, when fillings such as jam or cream are placed on the dough sheet 3 to form the rolled dough with the filling inside, etc., if the rolled dough is wrapped too tightly, the filling will leak out To the surface, so it is necessary to adjust the strength of the winding.

Next, an application example of the rolled portion will be described using FIG. 17. The roll-up device 423 described above will be described as being provided on the downstream side of the stretching roller 409 and rolling up the dough sheet 3 while being stretched in the conveying direction R. The rolling portion 471 shown in FIG. 17 can be exchanged with the rolling portion 425 of the rolling device 423. In addition, it is not limited to this, and the dough piece 3 or the dough piece elongated by another device may be rolled up only by the rolling portion 471. The rolling portion 471 includes: four rotating plates 473, three rotating wheels 431, and a rolled sheet 475. The rotating plate 473 is rotatably supported by the second cross shaft 441; the rotating wheel 431, the shaft It is fixed to the rotating shaft 435; the rolled sheet 475 is mounted on the rotating plate 473 and is composed of a deformable soft member. The rotating plate 473 is arranged side by side in the width direction, and a rotating wheel 431 is arranged between these.

The swing plate 473 is provided with a bent arm member 477. The arm member 477 is provided with a contact portion 478 and a swing portion 479. The contact portion 478 is directed from the second cross shaft 441 toward the conveying surface of the second conveying device 407 Arranged obliquely; the squeeze portion 479 is directed slightly upward from the downstream side with respect to the conveying surface. Under the contact portion 478 and the turning portion 479, grid-like concave and convex surfaces for increasing the contact resistance with the dough sheet 3 are formed. The swing plate 473 is configured to be suspended by a stopper shaft 485 to separate the arm member 477 from the conveying surface of the second conveying device 407 by a slight gap.

The rolled sheet 475 is attached to the front end portion (downstream end portion) of the turning part 479 of the four turning boards 473. The rolled sheet 475 is provided with an isosceles triangle opening 481 near the downstream end of the front end of the turning part 479, and arm portions 482 are provided on both sides of the opening 481. In addition, deformable rod-shaped scale members 483 are attached to both ends of the rolled sheet 475. Furthermore, the rolled sheet 475 is tied to the downstream side of the opening 481, and a cutting line 484 that penetrates along the conveying direction R is provided in the center of the rolled sheet 475.

Next, the rolling method of the dough piece 3 by the rolling part 471 is demonstrated. The dough piece 3 conveyed to the second conveying device 407 is pressed against the rotating wheel 431, and the bottom edge 3D of the dough piece 3 abuts on the lower end portion of the abutting portion 478 of the rotating platen 473 waiting at the lowest descending position. The dough sheet 3 pushes the rotating plate 473 upward while carrying it and pushes the bottom edge 3D upward. The dough sheet 3 is rolled under the rotating portion 479 and is rolled by the wrist portions 482 at both ends of the opening 481 of the rolled sheet 475. The rolled dough 207 after being rolled up is tightly wound on the downstream side portion of the rolled sheet 475. At this time, the rolled sheet 475 is capable of deforming both sides along the surface shape of the rolled dough 207 by having a cut line 484 at the center. In addition, in the second half of the roll, the rolled dough 207 after passing through the uneven surface of the lower surface of the rigid body 479 is rolled up by lightly and softly rolling the sheet 475, so the surface can be completed Reserved.

As a conventional rolling device, there is a rolling device described in Patent Document 2. This rolling device is used to roll the dough sheet from the two ends of the bottom of the dough sheet, and to roll up the two arms (both spindle-shaped sides) of the rolled dough to extend in the length direction of the dough installation. Furthermore, Japanese Shigong Sho 63-37824 discloses a crimped net in which plural rod-shaped rods are installed in parallel on two parallel cables. This curling net can be used to increase the contact area by rolling and rolling the dough. However, in these conventional techniques, it is not possible to contact the rolling device along the shape of the surfaces of the two arms of the rolled dough, and there are cases where the rolled dough cannot be shaped into a symmetrical spindle shape. However, the rolled sheet 433, the rolled sheet 446, the shaped sheet 457, and the rolled sheet 475 of the rolled portion 471 constituting the rolling device 423 are formed so that each sheet is oriented toward both end sides of the rolled dough 207 Since it can be tilted downward, the two arms of the rolled dough 207 can be pressed symmetrically from above in the width direction, so that the rolled dough 207 can be shaped into a symmetrical spindle shape.

In addition, in the present embodiment, the dough sheet spreading device 403 and the rolling device 423 are described as transport devices each provided with a difference between the first transport device 405 and the second transport device 407, but the present invention is not Limited to this form, the dough sheet spreading device 403 and the rolling device 423 may be provided with a common conveying device, that is, one conveying device.

Next, the rolled dough shaping device 501 according to the fifth embodiment of the present invention will be described using FIGS. 18 and 19. The rolling dough shaping device 501 is provided with a dough sheet spreading device 403 and a rolling device 503 on the downstream side thereof. The dough piece spreading device 403 is provided with a first conveying device 405 and a spreading roller portion 409 above it. The roll-up device 503 is provided with a second conveying device 407 and a roll-up portion 505 provided above the second conveying device 407 and behind it. Furthermore, a control device 10 (not shown) for controlling each device is provided. In addition, in this embodiment, as the upper surface of the bottom edge 3D side of the dough sheet 3 being transported, for example, a food material such as chocolate, that is, a stick-shaped and solid inner material 6 is placed by rolling up The dough shaping device 501 will describe a case where the rolled dough 209 wrapped with the inner material 6 is shaped.

The extension roller 410 of the extension roller 409 is provided with a first actuator 417 for moving the extension roller 410 up and down to adjust the position of the lower end. As described in detail, the actuator 417 is mounted on the upper and lower grip mechanisms 514 of the bracket 413 provided on both sides through the base bracket 515. In addition, the sensor 23 for sensing the passage of the dough piece 3 is mounted on the cross shaft 502 fixed between the brackets 413 on both sides. The control device 10 calculates the conveying position of the dough piece 3 based on the detection signal of the sensor 23, and controls the driving of the first actuator 417, the second brake 529 described later, and the control motor 543 based on the position information.

The rolling portion 505 of the rolling device 503 is provided with three rotating wheels 431, a supporting mechanism 508, a swinging plate 509, and a rolled sheet 511. The rotating wheels 431 are arranged side by side at a required interval in the width direction The support mechanism 508 is rotatably mounted on the shaft 507; the rotary plate 509 is detachably supported on the support mechanism 508; the rolled sheet 511 is mounted on the rotary plate 509 and is formed by a deformable soft member constitute.

The rotating wheel 431 is driven to adjust the rotation speed by controlling the rotation of the motor 543 through a rotation transmission mechanism 541 such as a V belt and a V pulley. Furthermore, the rotating wheel 431 is provided so that it can be raised and lowered by the lifting device 527. The lifting device 527 is attached to the linearly movable second actuator 529 caused by an air cylinder or the like attached to the bracket 413, and lifts the rotating shaft 435 through a power transmission mechanism 531 such as a link mechanism. The arm portion 532 of the link mechanism 531 is provided with a plurality of connection holes 532H. By changing the connection position of the actuator 529, the lifting distance of the rotating wheel 431 can be increased or decreased. In addition, by connecting the rotating shaft 435 to the upper and lower grip mechanisms 533, the actuating position (from the rising end position to the falling end position) of the rotating wheel 431 up and down is set to be adjustable.

The support mechanism 508 is provided with a mounting bracket 521 and a bracket 523, which is mounted so as to be rotatable relative to the shaft 507, and is used to detachably support the rotating plate 509; The rotation position is fixedly fixed to the shaft 507. The bracket 523 is provided with a baffle 525 for urging the turning plate 509 against the second conveying device 407 side.

The swing plate 509 has a curved shape, and includes a wrist 516, an abutting portion 517, and a swing portion 518. The wrist 516 faces the transport direction R from the support mechanism 508 side with respect to the transport surface of the second transport device 407 The downstream side is inclined; the abutment portion 517 is bent from the wrist 516 to be more inclined; and the swivel portion 518 is directed to the downstream side slightly upward with respect to the conveying surface. Approximately the upper half of the rolled sheet 511 is attached to the lower surfaces of the contact portion 517 and the turning portion 518. The lower surface of the rolled sheet 511 is formed with a grid-like concave-convex surface to increase the contact resistance with the dough sheet 3. In addition, a deformable scale member 519 is attached to both ends of the upper surface of the lower half of the rolled sheet 511. The swivel plate 509 and the rolled sheet 511 are provided with a long hole (not shown) through which the rotating wheel 431 can pass in parallel in the width direction. In addition, the rotary plate 509 is provided so as to be movable relative to the rotating wheel 431 by moving and adjusting the shaft 502 for supporting the support mechanism 508 along the conveying direction R.

Next, a representative example of the method of rolling up the dough sheet 3 on which the inner material 6 is placed by the rolled dough shaping device 501 will be described below. In the first example of the rolling method of the dough sheet 3 on which the inner material 6 is placed, the dough sheet 3 is conveyed by the first conveying device 405 and the sensor 23 detects the dough sheet 3. The dough sheet 3 is further transported, and after the inner material 6 passes under the spreading roller 410, the first actuator 417 of the lifting device 411 operates to lower the spreading roller 410 and press the dough sheet 3. While the dough sheet 3 is being conveyed, the bottom edge 3D is brought into contact with the contact portion 517 of the rotary plate 509 and pushed upward. At almost the same time, the inner material 6 comes into contact with the rotating wheel 431 at the rising end position. The rotating wheel 431 passes the inner material 6 to guide the inner material 6 to the conveying direction R while pressing the dough sheet 3 against the conveying surface of the second conveying device 407. Therefore, the contact portion 517 winds the bottom edge 3D of the dough piece 3 around the inner material 6 held by the rotating wheel 431, and can prevent the inner material 6 from rolling off the dough piece 3.

When the inner material 6 passes through the lower end portion of the rotating wheel 431, the second actuator 529 of the lifting device 527 is actuated to lower the rotating wheel 431 to a position where it contacts the dough piece 3. The upstream side of the dough sheet 3 is stretched between the extension roll 410 and the rotating wheel 431, and the downstream side of the dough sheet 3 is rolled up by the rotating platen 509. The rotating plate 509 rotates upwards according to the shape of the rolled dough sheet 3, and is resiliently pressed by the baffle 525. Therefore, the rolled dough 209 after being rolled up is tied around the inner material 6 to There is no gap even the dough is rolled up close to each other. After rolling up, the rolled dough 209 passes under the rolled sheet 511 while rotating.

As described above, since the actuating position of the rotating wheel 431 can be adjusted, the rising end position and the falling end position can be appropriately set according to the size of the inner material 6 or the thickness of the dough sheet 3. In addition, since the rotating plate 509 is provided so as to be movable in the conveying direction R relative to the rotating wheel 431, it can be adjusted such that if the rotating wheel 431 presses the inner material 6 against the dough piece 3, the rotating plate 509 is almost simultaneously Push the dough piece 3 upwards. In this way, by making the rotating wheel 431 and the rotating plate 509 individually adjustable, the dough piece 3 on which the inner material 6 is placed can be rolled up and shaped in a stable manner. In addition, the rolling device 503 is not limited to the substantially triangular dough pieces 3, and a rectangular dough piece may be wound around the inner material to wind up the rolled dough. Furthermore, in the case where the dough sheet spreading device is installed close to each other, it is more effective to replace the spreading roller 410 with a longer one like the spreading roller 9 to press the entire width of the dough sheet.

Next, a second example of the rolling method of the dough sheet 3 on which the inner material 6 is placed will be described. In the second example, the speed of the second conveying device 407 can be set to be faster than the speed of the first conveying device 405. In the second example, the dough piece 3 is detected by the same sensor 23 as the first example. When the bottom edge 3D of the dough sheet 3 is transferred from the first conveying device 405 to the second conveying device 407, the bottom edge 3D is pushed up, bringing the inner material 6 into contact with the rotating wheel 431.

Here, by setting the outer peripheral speed of the rotating wheel 431 to be slower than the conveying speed of the second conveying device, the force to wind the dough sheet 3 around the inner material 6 can be used to make the dough sheet 3 It is wound around the inner material 6. Next, the dough sheet 3 is further conveyed in the conveying direction R. After the inner material 6 passes through the lower end of the rotating wheel 431, the extension roller 410 is lowered to press the dough sheet 3. On the other hand, the bottom edge 3D of the dough piece 3 contacts the contact portion 517 of the rotary plate 509 and is further rolled up. In addition, after the inner material 6 passes through the lower end of the rotating wheel 431, the rotating wheel 431 is lowered to a position where it contacts the dough sheet 3. At this time, since the speed of the second conveying device 407 is controlled to be faster than the speed of the first conveying device 405, the dough sheet 3 is stretched and elongated.

Next, a third example of a method of rolling up the dough sheet 3 on which the inner material 6 is placed will be described with reference to FIG. 20. FIG. 20 is a diagram showing the state of each device in the third example of the rolling method of the dough sheet 3 on which the inner material 6 is placed. In the third example, in the rolled dough shaping device 501 of the fifth embodiment, a rolled sheet 446 is used instead of the rolled sheet 511. In addition, in the third example, the following settings can be made individually or in combination. The settings are as follows: (a) The height of the conveying surface of the second conveying device 407 is set to be higher than that of the first conveying device 405 The height is higher; (b) Set the speed of the second conveying device 407 to be faster than the speed of the first conveying device 405; (c) Set the outer peripheral speed of the rotating wheel 431 to be higher than the conveying speed of the second conveying device 407 slow.

In the third example, the dough piece 3 is detected by the same sensor 23 as the first example. As shown in FIG. 20(a), the dough sheet 3 on which the inner material 6 is placed is slightly moved toward the bottom 3D side of the dough sheet 3 when transferred from the first conveying device 405 to the second conveying device 407 After hanging downward, the bottom edge 3D will abut on the shoulder of the rear roller of the second conveying device 407. Next, as shown in FIG. 20(b), the bottom edge 3D of the dough sheet 3 is made use of the difference in the height of the conveying surface and/or the difference in the conveying speed between the first conveying device 405 and the second conveying device 407 The side is bent upwards.

As shown in FIG. 20(c), the dough piece 3 (the bottom edge 3D or the bottom of the dough piece 3) will contact the rotating wheel 431, and the dough piece 3 and the inner material 6 are sandwiched between the rotating wheel 431 and the second conveying device In the state between 407, the dough piece 3 is wound around the inner material 6. At this time, the speed difference between the second conveying device 407 and the rotating wheel 431 causes the dough sheet 3 to roll. Next, as shown in FIG. 20(d), the dough piece 3 wound on the inner material 6 will contact the contact portion 517 of the rotary plate 509. The dough piece 3 is transferred by the rotary plate 509 while being transported. It is rolled up around the inner material 6.

In addition, as shown in FIG. 20(e), the spreading roller 410 is lowered, and the dough sheet 3 is pressed. At this time, due to the difference in the conveying speed between the first conveying device 405 and the second conveying device 407, the stretching force in the conveying direction acts on the dough sheet 3. In addition, the spreading roller 410 corrects the dough sheet 3 to be approximately an isosceles triangle. Next, as shown in FIG. 20(f), the rotating wheel 431 is lowered, and the dough piece 3 is pressed. The rotating wheel 431 is used to prevent the dough piece 3 from tilting in a horizontal plane with respect to the conveying direction. The downstream side of the dough piece 3 is rolled up by the rotating platen 509. Furthermore, as shown in FIG. 20(g), after the dough sheet 3 is rolled up by the winding sheet 446, the spreading roller 410 and the rotating wheel 431 return to the initial position and wait for the next dough sheet 3 to be transported.

As can be understood from the above description, in the third example, the rolling step is started between the first conveying device 405 and the second conveying device 407. Next, a rotating wheel 431 is arranged on the downstream side of the start position of this winding-up step. Therefore, the device for rolling up the dough sheet 3 and the rotating wheel 431 which is in contact with the dough sheet 3 and pressed against the second conveying device are arranged in parallel.

As a conventional example of a rolling device that places a solid object on a dough piece and rolls it up, there is a device described in Japanese No. 3058292 applied by the applicant. This conventional device is arranged above the conveying surface of the conveyor, and a plurality of rotary pressure plates are arranged side by side in the width direction, and each rotary pressure plate is rotatably bearing on the shaft. In this conventional device, the rolled portion of the rotary pressure plate is separated from the conveying surface by a required distance, and the bread dough pieces carrying the stick-shaped solid objects are passed therebetween, thereby taking the stick-shaped solid objects as the heartwood The device that rolls up the bread dough for shaping. In this device, before rolling the bread dough pieces in such a way as to prevent the stick-shaped solid objects from rolling down from the bread dough, the stick-shaped solid objects are fully pressed against the bread dough by a well-known means to make it tight, so that The rod-shaped solid material rolls on the rotating platen, thereby rolling up the dough pieces. Therefore, there is a problem that the rod-shaped solid material rolls on the dough sheet and the dough sheet cannot be rolled up.

In addition, as another conventional example, there is a device described in the specification of European Patent No. 1726029. This conventional device is provided with a pressing device opposed to the upper side of the conveying belt and a winding conveyor on the downstream side thereof, and is formed with a pressing path and a rolling path. The pressing device and the roll-up conveyor are belt conveyors in which a plurality of endless belts separated in the width direction are wound around, and are driven by each drive motor. In this conventional device, since the pressing path and the rolling path are separately provided, there is a problem that the device is enlarged. In addition, since the dough pieces are not pressed on the winding path, the sticky solids are rolled by the rolling conveyor to roll the dough pieces, so the winding becomes unstable, and furthermore, When the croissant dough is rolled up, there is a problem that it cannot be formed into a symmetrical spindle shape.

In the rolling device 503 of this embodiment, when the rotating platen 509 winds up the dough sheet 3, the rotating wheel 431 directly presses the dough sheet 3 through the inner material 6 and thus the inner material can be placed. The dough piece of 6 is rolled up stably, and the spindle-shaped rolled dough 209 can be shaped symmetrically. Therefore, it is not necessary to bring the dough piece spreading device 403 close, and the dough piece 3 on which the inner material 6 is placed can also be rolled into the rolled dough 209 only by the rolling device 503. In addition, the rolled dough shaping device 501 can adjust the number of rolls of the rolled dough 209 or the strength of the roll because the dough sheet 3 can be rolled while being stretched between the pressing roller 410 and the rotating wheel 431 degree.

In addition, in the present embodiment, the dough sheet spreading device 403 and the rolling device 503 are described as transport devices each having a different first transport device 405 and second transport device 407, but the present invention is not Restricted to this form, the dough sheet spreading device 403 and the rolling device 503 may be provided with a common conveying device, that is, one conveying device.

In addition, in the present embodiment, when the dough sheet 3 on which the inner material 6 is placed is rolled up, although the inner material 6 is placed near the bottom 3D side of the dough sheet 3 by hand or machine, but in order to The positioning of the inner material 6 with respect to the dough sheet 3 becomes easy, and the position of the inner material 6 does not deviate when the dough sheet 3 is rolled up and formed, or as shown in FIG. 21, at the bottom of the dough sheet 3 The aforementioned concave portion (concave groove) 3E is previously formed on the upper surface near the side 3D side, and the inner material 6 is placed in this concave portion 3E.

Next, the dough piece spreading device 601 according to the sixth embodiment of the present invention will be described using FIG. 22. In addition, structures having the same functions as those described above are denoted by the same symbols, and detailed descriptions are omitted. The dough sheet spreading device 601 includes a first conveying device 405, a second conveying device 407, a spreading roller portion 409 as an upstream-side spreading roller portion, and a downstream-side spreading roller portion 603. Furthermore, a control device 10 for controlling each device is provided.

The spreading roller portion 409 is provided above the front end side of the first conveying device 405 in the same manner as the dough sheet spreading device 401. The extension roller 410 is moved back and forth by the actuator 417 to approach and move away from the conveying surface (upper surface) of the first conveying device 405. In addition, the downstream-side extension roller portion 603 is provided with the extension roller 9. The extension roller 9 is provided above the rear end side of the second conveying device 407. The extension roller 9 is attached to the conveying surface (upper surface) of the second conveying device 407 at a required interval.

The dough piece 3 is conveyed by the first conveying device 405 and detected by the sensor 23. Furthermore, the dough sheet 3 is conveyed, and is pinched between the spreading roller 9 and the conveying surface of the second conveying device 407 by passing under the spreading roller 410 waiting above. Thereafter, based on the detection signal from the sensor 23, the control device 10 drives the actuator 417 to lower the extension roller 410 to a desired position. The spreading roller 410 presses the dough sheet 3 against the conveying surface of the first conveying device 405 and spreads the dough on the top 3A side of the dough sheet 3.

The spreading roller 410 has the function of correcting the approximately upper half of the dough sheet 3 after bending into a shape close to an approximately isosceles triangle. In addition, since the conveying speed of the second conveying device 407 is set to be higher than the conveying speed of the first conveying device 405, the dough between the upstream extension roller 410 and the downstream extension roller 9 is conveyed along The direction R is elongated. Furthermore, after the dough sheet 3 passes under the extension roll 410, the extension roll 9 functions to correct the bending of the dough sheet 3. In this way, since the expanded dough piece 109 is formed into a substantially isosceles triangle shape, the dough piece 109 is rolled up to form the rolled dough, so that the top 3A of the dough piece 109 can be oriented toward the center in the longitudinal direction Roll up and shape the rolled up shape into a symmetrical spindle shape.

In the dough sheet extension device 101, when the dough sheet 3 is extended by the downstream side extension roller 93, in order to prevent the bottom edge 3D of the dough sheet 3 from contacting the downstream side extension roller 93, the bottom edge 3D extends through the downstream side After the center of the roller 93 is lowered, the downstream-side extension roller 93 is brought relatively close to the second conveying device 7 to pinch the dough sheet 3, and the dough sheet extension device 601 is configured such that it is arranged in advance close to and separated by Between the spreading roller 9 and the second conveying device 407, the dough sheet 3 is conveyed. For example, in the case of stretching a relatively hard dough, even if the bottom edge 3D of the dough sheet 3 is slightly inclined with respect to the width direction to contact the stretching roller 9, the inclination does not greatly change, and it can be borrowed The dough piece 3 is shaped into a substantially isosceles triangle shape by the protrusion 9B of the extension roller 9.

The description of the spreading device according to the embodiment of the present invention is generally as described above, but it is not limited to this, and various changes can be made within the scope of the patent application. For example, although the description is provided with the extension roller on the upstream side above the first conveying device and the extension roller on the downstream side above the second conveying device, it is also possible to provide both Extension roll. Even in this case, the dough sheet 3 can be shaped into a substantially isosceles triangle shape.

In addition, it may be close to the downstream side of the dough sheet spreading device 1, 101, or 601, or may be provided with a roll-up device 423 or a roll-up device 503 separately from these, or the whole may be a roll-up dough shaping device.

In addition, although the extension roll 410 is described as a drum shape, it may be provided with three or more protrusions in the longitudinal direction like the extension roll 9. In addition, although the plurality of protrusions of the spreading roller are described as having the same shape and being formed at equal intervals in the axial direction, the shape is not limited as long as it has the above-mentioned effect.

1‧‧‧Dough sheet spreading device

3‧‧‧Dough pieces

5‧‧‧The first handling device

5F‧‧‧Front end

6‧‧‧Inner materials

7‧‧‧Second conveying device

7B‧‧‧ Rear

8‧‧‧Conveyor frame

9‧‧‧Expansion roller

10‧‧‧Control device

11‧‧‧support shaft

13‧‧‧Conveyor front plate

23‧‧‧Sensor

37‧‧‧ arithmetic processing device

43‧‧‧Conveyor rear plate

57‧‧‧Power transmission mechanism

59‧‧‧Control motor

61‧‧‧ Rolling device

63‧‧‧curl net

65‧‧‧span shaft

67‧‧‧Bracket

103‧‧‧Extended dough piece

203‧‧‧ Roll up the dough

CL‧‧‧Centerline

R‧‧‧Handling direction

Claims (10)

A rolling device is arranged on a conveying device for conveying dough pieces, and is characterized by comprising a rolled sheet, a rotating wheel, and a pressing plate. The rolled sheet is composed of a deformable soft member. It is used to roll up the dough sheet; the rotating wheel is located on the upstream side of the rolled sheet for pressing the dough sheet against the conveying surface of the conveying device, and the pressing plate is used to press the upstream of the rolled sheet side. The rolling device as described in item 1 of the patent application range, wherein instead of the pressing plate, a rolling plate for rolling the dough sheet is provided, and the rolled sheet is attached to the rolling plate. The roll-up device according to item 1 or 2 of the patent application scope, further comprising a rolled sheet, which is arranged on the downstream side of the rolled sheet and is composed of a deformable flexible member. The rolling device as described in item 3 of the patent application scope, further comprising a shaping sheet, which is connected to the downstream end of the winding sheet and is composed of a deformable flexible member. The rolling device as described in item 1 or 2 of the patent application, wherein the rotating wheel is configured to be movable up and down in order to adjust the gap with the conveying surface of the conveying device. The rolling device as described in item 2 of the scope of the patent application, wherein the rotary plate is provided so as to be positionally adjustable relative to the rotary wheel along the conveying direction of the dough sheet. The rolling device according to item 4 of the patent application scope, wherein at least one of the rolled sheet, the wound sheet, and the shaped sheet is provided with a long hole or a cutting line at the center in the width direction, and It is arranged so that it can be deformed into a mountain shape with respect to the width direction along the surface shape of the aforementioned rolled dough. The rolling device as described in item 3 of the patent application range, wherein the winding sheet is composed of a plurality of sheet members juxtaposed with the mesh member in the width direction and overlapping one another up and down, and combined by a bonding member. The rolling device according to item 4 of the patent application scope, wherein at least one of the rolled sheet, the wound sheet, and the shaped sheet is provided on both sides of the sheet to prevent the sheet from shifting in the width direction Guide plate. The rolling device as described in item 2 of the patent application range, wherein the rotating wheel can be adjusted for rotation speed by controlling the rotation of the motor, and the rotating plate is spring-pressed toward the conveying device side by the baffle plate.

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