JP6445335B2 - Stick-shaped sushi packaging equipment - Google Patents

Description

  The present invention relates to a stick-shaped sushi packaging apparatus capable of automatically packaging a sushi peripheral surface and a sushi end face of a stick-shaped sushi main body with a rectangular sheet and an end face foreskin sheet, respectively.

Traditionally, rolls of hand-rolled laver rolls that are sold on the same shelf as rice balls at convenience stores are packaged in a size that can be held with one hand using a film. It is configured to be eaten as sushi.
The bar-shaped sushi in such a form is usually displayed in a state where the entire peripheral surface is covered with a rectangular sheet and an end face foreskin sheet and placed on a display shelf in a store.

Such a bar-shaped sushi packaging operation is automatically performed by a packaging machine.
First, a stick-shaped sushi body is placed on the top surface of a rectangular sheet, and its peripheral surface and end surface are automatically covered along the packaging work process line.
And, as shown in FIG. 29, the conventional packaging film structure of a stick-shaped sushi body has a rectangular sheet 100 for winding the outer surface of the stick-shaped sushi body, and a fin-like shape protruding from both short side edges of the rectangular sheet. The rectangular sheet 100 is configured by accommodating a laver sheet in a flat bag, and a laver sheet opening 105 is formed at the center of the peripheral surface of the back sheet.
And when the naked stick-shaped sushi main body 103 is placed on the back sheet of the rectangular sheet 100, the peripheral face of the stick-shaped sushi main body 103 is folded by folding the end face envelope sheet 101 at both ends while winding the peripheral surface with the sheet. Assume that both end faces are totally foreseen.
When eating this, the rectangular sheet 100 and the end face foreskin sheet 101 must be peeled off, but the cutting tape 106, which has been pre-packed and sticked to the center of the front surface of the rectangular sheet 100 in the vertical direction, is placed vertically. By tearing, the center of the peripheral surface of the rectangular sheet 100 is cut and separated together with the nori sheet opening 105 of the back sheet (see, for example, Patent Document 1).
Then, the separated half rectangular sheet 100 and the end face foreskin sheet 101 are pulled out from the outside of the seaweed sheet to expose the seaweed sheet, and the peripheral surface of the stick-shaped sushi body is foreseen to be eaten as a seaweed-wrapped stick-shaped sushi.

All such packaging operations are carried out by automatic packaging machinery produced for stick-shaped sushi.
Such a conventional automatic packaging machine device for stick-shaped sushi has the following configuration.
That is, the laminated reservoir of the rod-shaped sushi package sheet that constitutes the end surface foreskin sheet for foreskin both end faces of the rod-shaped sushi body to the long side edges of the flat bag-shaped rectangular sheet containing the laver sheet inside protruding to And a delivery part for placing the stick-shaped sushi wrapping sheets one by one from the stacking storage part on the perforated transport belt of the suction transport mechanism, and sucking and transporting the stick-shaped sushi wrapping sheets one by one by the negative pressure suction mechanism Sushi transporting mechanism, a sushi drop mounting section for dropping and placing the stick-shaped sushi body on the center of the back sheet of the rectangular sheet, and end face foreskin sheets on both sides of the stick-shaped sushi body on the rectangular sheet And a rectangular sheet winding part for winding a rectangular sheet around the peripheral surface of the stick-shaped sushi body after both end surfaces are covered with an end surface forehead sheet.

JP 2004-290059 A

Such a bar-shaped sushi automatic packaging machine apparatus is widely used for skillfully and automatically packaging a bar-shaped sushi body.
However, the film used for packaging is a thin film sheet, and it is flat bag-like and accommodates the laver sheet inside, and is divided into left and right halves to expose the laver from the split slit formed in the middle of the long side or short side Since the bag-shaped rectangular sheet is configured to be smoothly pulled out from the outside of the seaweed sheet, accurate packaging of the rectangular sheet and the end face foreskin sheet by a packaging device is required.
However, in the conventional automatic packaging machine device that uses a rectangular sheet as a flat bag-like thin film sheet film used for such packaging, folding technology of end face foreskin sheet, conveyance technology by perforated belt of adsorption conveyance mechanism, and rod shape to rectangular sheet There are many inconveniences due to detailed technical details in sushi body placement technology, etc., and there is a risk that proper packaging of the stick-shaped sushi body may not be possible, causing various failures in the operation of the device, and work efficiency It was also the cause of the decline.

The present invention, inside the shaped flat bag containing the laver sheets of rectangular sheets longer side edge a rod sushi body of the rod-shaped sushi package sheet the both end surfaces were constructed by protruding the end surface foreskin sheet for foreskin a laminated reservoir, the rod-shaped sushi package sheet and transfer section for placing the laminated reservoir to one each suction conveyor belt on the bar-shaped sushi package sheet adsorption for conveying each sheet adsorbed by negative pressure suction mechanism A transport mechanism , a sushi drop loading section for dropping and placing the stick-shaped sushi body on the flat bag-shaped back sheet of the stick-shaped sushi packaging sheet, and both end faces of the stick-shaped sushi body on the stick-shaped sushi packaging sheet An end face covering part for covering the end face foreskin sheet with the end face formwork, and a rectangular sheet winding part for winding the rectangular sheet around the peripheral surface of the stick-shaped sushi body after covering both end faces with the end face foreskin sheet Configure In the stick-shaped sushi packaging device, the delivery part is composed of a porous adsorbing part that adsorbs the stick-shaped sushi foreskin sheet, and a jet nozzle provided at the front and rear edges of the porous adsorbing part, and protrudes from the long side edge before and after the rectangular sheet The end face foreskin sheet is blown upward so that the end face foreskin sheet is not wrapped and adsorbed together with the rectangular sheet in the porous adsorption part, and the stick-shaped sushi foreskin sheet is delivered to the next adsorption transport mechanism A stick-shaped sushi packaging device is provided.

  Further, the suction conveyance mechanism includes a substantially U-shaped longitudinal hook having an upper opening in the cross section, a porous belt-like plate that is detachably laid while holding a fixed suction space at the bottom of the longitudinal hook, and a porous belt-like plate in the longitudinal hook. It is also characterized by comprising a perforated conveying belt slidably placed on the upper surface of the belt.

  In addition, the sushi drop mounting unit has a falling window plate provided with a drop hole for dropping the formed stick-shaped sushi body above the corresponding position of the rectangular sheet, and a rotating disk that is rotatably overlapped on the upper surface of the falling window plate A large number of sushi throwing recesses for feeding the stick-shaped sushi body are formed on the periphery of the rotating disk, and a support shutter that can be opened and closed downward is provided on the bottom surface of the sushi throwing recess to open the support. It is also characterized in that it is configured to be placed on a rectangular sheet through the dropping hole of the falling window board while guiding the stick-shaped sushi body with the shutter.

  In addition, the end face covering portion comes into contact with both end faces of the stick-shaped sushi body, and a vertically movable foreskin sheet folded body for folding and contacting the end face foreskin sheet against both end faces of the stick-shaped sushi body dropped on the rectangular sheet It consists of an end face mold that forms the foreskin sheet according to the end face, and a lower presser arm that defines the boundary between the rectangular sheet and the foreskin sheet according to the ascending operation of the foreskin sheet folded body. Another feature is that the end face of the stick-shaped sushi body can be covered with the end face foreskin sheet.

  According to the invention of claim 1, the delivery part is composed of a porous adsorbing part that adsorbs the stick-shaped sushi foreskin sheet, and a jet nozzle provided at the front and rear edges of the porous adsorbing part, and the long side before and after the rectangular sheet The end face foreskin sheet protruding from the edge is blown upward so that the end face foreskin sheet is not caught in the porous adsorbing portion together with the rectangular sheet so as to be delivered to the next adsorbing and transporting mechanism. As a result, when the rectangular sheet is adsorbed to the porous adsorption part and placed, the end face foreskin sheet blows up and floats in the opposite direction, so that the end face foreskin sheet enters the lower surface of the rectangular sheet and is adsorbed by the porous adsorption part. This eliminates the inconvenience and correctly delivers it to the next suction conveyance mechanism. In the subsequent packaging process, the end face foreskin sheet is properly contacted with the end face of the bar-shaped sushi body. There is an effect that can Rukoto.

  According to the invention of claim 2, the suction conveyance mechanism includes a substantially U-shaped longitudinal hook having an upper cross-sectional opening, and a perforated belt-like plate that is detachably laid while holding a fixed suction space at the bottom of the longitudinal hook. The porous belt-like plate is disposed in the inside of the U-shaped long rod through the suction space by being constituted by the porous conveying belt slidably mounted on the upper surface of the porous belt-like plate in the long rod. Therefore, a sufficient suction function can be applied to the perforated transport belt, and further, the laminar powder etc. clogged in the holes can be removed by removing the lower porous strip plate from the longitudinal trough, so that the perforated transport belt can be removed. As a result, the stick-shaped sushi sheet can be reliably adsorbed and conveyed.

  According to the invention of claim 3, the sushi drop mounting portion is rotated on the top surface of the drop window board and the drop window board provided with a drop hole for dropping the molded stick-shaped sushi body above the corresponding position of the rectangular sheet. It consists of rotating discs that are freely overlapped, and has many sushi insertion recesses for inserting the rod-shaped sushi body on the periphery of the rotation discs, and the bottom of the sushi insertion recesses can be opened and closed downward By providing a shutter and placing the stick-shaped sushi body on the rectangular sheet through the drop hole of the falling window board while dropping the stick-shaped sushi body with the open support shutter, the stick-shaped sushi body is simply dropped on the rectangular sheet. Compared to the conventional technology, it can be placed on a rectangular sheet accurately and without destroying the posture and shape of the stick-shaped sushi body, and the subsequent foreskin of the peripheral surface and end face of the stick-shaped sushi body correct There is an effect that can be performed.

  According to invention of Claim 4, an end surface coating | coated part can be raised / lowered foreskin sheet folding body for folding and contacting a horizontal end surface foreskin sheet with respect to the both end surfaces of the stick-shaped sushi main body dropped on the rectangular sheet, , For defining the boundary part between the rectangular sheet and the foreskin sheet according to the rising operation of the foreskin sheet folded body, and the end face mold for molding the foreskin sheet in contact with both end faces of the bar-shaped sushi body Since it is composed of a lower presser arm and the end face of the bar-shaped sushi body can be accurately foreseen with the end face foreskin sheet, the border between the end face foreskin sheet and the rectangular sheet can be folded accurately, so the bar-shaped sushi body Packaging can be accurately performed, and there is an effect that it is possible to effectively contribute to the sanitary aspect of foods and the preservation of the best taste in display sales at stores without forming unnecessary gaps in the whole packaging.

The perspective view which shows the whole stick-shaped sushi packaging apparatus of this invention. The front view which shows the whole stick-shaped sushi packaging apparatus of this invention. The top view which shows the whole stick-shaped sushi packaging apparatus of this invention. The top view of the delivery part in the stick-shaped sushi packaging apparatus of this invention. Cross-sectional explanatory drawing of the II line | wire of FIG. The front view which shows the operation state of the delivery. The front view which shows the operation state of the delivery. The top view which shows the delivery part and adsorption | suction conveyance mechanism in the stick-shaped sushi packaging apparatus of this invention. The disassembled perspective view which shows the principal part of a suction conveyance mechanism. The perspective view which shows a suction conveyance mechanism. The disassembled perspective view which shows a suction conveyance mechanism. Sectional drawing which shows a suction conveyance mechanism. The top view which shows the sushi fall mounting part in the stick-shaped sushi packaging apparatus of this invention. The top view which shows each disk of the sushi fall mounting part in the stick-shaped sushi packaging apparatus of this invention. Sectional drawing which shows a sushi fall mounting part. The top view which shows the end surface coating | coated part and rectangular sheet winding part of the stick-shaped sushi packaging apparatus of this invention. The top view which shows the use condition of the end surface coating | coated part of the stick-shaped sushi packaging apparatus of this invention. The right view which shows the use condition of the end surface coating | coated part in the stick-shaped sushi packaging apparatus of this invention. The front view which shows the use condition of the end surface coating | coated part in the stick-shaped sushi packaging apparatus of this invention. The front view which shows the use condition of the end surface coating | coated part in the stick-shaped sushi packaging apparatus of this invention. The rear view of the end surface formwork and rectangular sheet winding part of the stick-shaped sushi packaging apparatus of this invention. The rear view which shows the use condition of the end surface formwork and a rectangular sheet winding part. The rear view which shows the use condition of the end surface formwork and a rectangular sheet winding part. The top view which shows the use condition of the same end surface formwork and a rectangular sheet winding part. The top view which shows the use condition of the same end surface formwork and a rectangular sheet winding part. The right view which shows the use condition of the end surface formwork and a rectangular sheet winding part. The right view which shows the use condition of the end surface formwork and a rectangular sheet winding part. The right view which shows the use condition of the end surface formwork and a rectangular sheet winding part. Explanatory drawing which shows the packaging film structure of the conventional stick-shaped sushi main body.

The present invention, inside the shaped flat bag containing the laver sheets of rectangular sheets longer side edge a rod sushi body of the rod-shaped sushi package sheet the both end surfaces were constructed by protruding the end surface foreskin sheet for foreskin a laminated reservoir, the rod-shaped sushi package sheet and transfer section for placing the laminated reservoir to one each suction conveyor belt on the bar-shaped sushi package sheet adsorption for conveying each sheet adsorbed by negative pressure suction mechanism A transport mechanism , a sushi drop loading section for dropping and placing the stick-shaped sushi body on the flat bag-shaped back sheet of the stick-shaped sushi packaging sheet, and both end faces of the stick-shaped sushi body on the stick-shaped sushi packaging sheet An end face covering part for covering the end face foreskin sheet with the end face formwork, and a rectangular sheet winding part for winding the rectangular sheet around the peripheral surface of the stick-shaped sushi body after covering both end faces with the end face foreskin sheet Configure In the rod-shaped sushi packaging device, transfer unit, rod-sushi and perforated suction unit which performs suction rectangular sheets of foreskin sheet, more configuration and jetting nozzles provided at the front and rear edges of the porous suction portions, a rectangular seat front-rear long side The end face foreskin sheet protruding from the edge is blown upward so that the end face foreskin sheet is not caught in the porous adsorbing portion together with the rectangular sheet, and the stick-shaped sushi foreskin sheet is delivered to the next adsorption transport mechanism. Provided is a stick-shaped sushi wrapping device that is configured.

  In addition, the suction conveyance mechanism includes a substantially U-shaped longitudinal hook having an upper opening in the cross section, a porous belt-like plate that is detachably laid while holding a fixed suction space at the bottom of the longitudinal hook, and a porous belt-like plate in the longitudinal hook. It is also characterized by comprising a perforated conveyor belt slidably mounted on the upper surface of the plate.

  In addition, the sushi drop mounting unit has a falling window plate provided with a drop hole for dropping the formed stick-shaped sushi body above the corresponding position of the rectangular sheet, and a rotating disk that is rotatably overlapped on the upper surface of the falling window plate A large number of sushi throwing recesses for feeding the stick-shaped sushi body are formed on the periphery of the rotating disk, and a support shutter that can be opened and closed downward is provided on the bottom surface of the sushi throwing recess to open the support. Another feature is that the stick-shaped sushi body is dropped and placed on the rectangular sheet through the drop hole of the drop window while guiding the sushi body by the shutter.

  In addition, the end face covering portion is in contact with both end faces of the stick-shaped sushi body and the end-sheet folding body that can be raised and lowered to fold and contact the end face foreskin sheet against both end faces of the stick-shaped sushi body dropped on the rectangular sheet It consists of an end face mold that forms the foreskin sheet according to the end face, and a lower presser arm for defining the boundary between the rectangular sheet and the foreskin sheet according to the rising operation of the end face sheet folded body. It is also characterized in that the end face of the stick-shaped sushi body can be covered with the end face foreskin sheet with the end face foreskin sheet.

[Example]
An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing the entire stick-shaped sushi packaging apparatus of the present invention. FIG. 2 is a front view showing the whole stick-shaped sushi packaging apparatus of the present invention. FIG. 3 is a plan view showing the entire stick-shaped sushi packaging apparatus of the present invention. FIG. 4 is a plan view of a delivery unit in the stick-shaped sushi packaging apparatus of the present invention.

  As shown in FIGS. 1 to 3, the stick-shaped sushi packaging device K of the present invention has a stick-shaped sushi body B on the long side edge of a flat bag-shaped rectangular sheet D (for example, see FIG. 17) containing a laver sheet inside. Stacked storage part F of stick-shaped sushi wrapping sheet A formed by projecting and forming end face foreskin sheet E for covering both end surfaces of the sushi sheet, and suction conveying belt G (see FIG. 4) for each stick-shaped sushi wrapping sheet A A delivery part H for delivering and placing the stick-shaped sushi packaging sheet A, a suction conveyance mechanism J for sucking and conveying the stick-shaped sushi wrapping sheet A one by one from the stacked storage part F by a negative pressure suction mechanism, and a flatness of the stick-shaped sushi wrapping sheet A A sushi drop mounting portion L for dropping and placing the stick-shaped sushi body B on the bag-shaped back sheet from above, and end face molds 54 on both end faces of the stick-shaped sushi body B on the stick-shaped sushi packaging sheet A Edge for covering end face foreskin sheet E A covering unit M, and is more configured rectangular sheet winding portion O for winding a rectangular sheet D to the circumferential surface of the rod-shaped sushi body B both end surfaces after coating with the end face foreskin sheet E.

[Laminated storage part F]
The stacked reservoir F will be described with reference to FIGS. FIG. 4 is a plan view of a delivery unit in the stick-shaped sushi packaging apparatus of the present invention. FIG. 5 is a cross-sectional explanatory view taken along the line II of FIG. 6 and 7 are front views showing the operating state of the delivery.

  As shown in FIGS. 4 and 5, the stacked storage unit F includes a storage case 11 for storing and storing the stick-shaped sushi packaging sheets A. A suction delivery mechanism H1 is disposed below the stacked storage portion F, and the stick-like sushi packaging sheets A are suctioned one by one and the suction cases 12a, 12b, 12c in the delivery portion H are provided with slits from the stacked storage portion F. It is configured to be transferred and mounted on the surface plates 12f, 12d, and 12h. Reference numerals 11a and 11b in FIG. 4 are sheet support pieces for supporting the stick-shaped sushi packaging sheet A stored in the storage case 11 on the bottom surface of the case.

  The delivery section H disposed adjacent to the delivery section H is configured to deliver the stick-shaped sushi packaging sheet A taken out from the storage case 11 one by one to the next suction conveyance mechanism J.

[Suction delivery mechanism H1]
As shown in FIGS. 4 and 5, the delivery portion H of the suction delivery mechanism H1 includes a plurality of porous suction portions 13a, 13b, 13c for sucking the stick-shaped sushi packaging sheet A, and front and rear edges of the central porous suction portion 13b. The end face foreskin sheets E, E which are formed from the jet nozzles 14 and 14 (see, for example, FIG. 6) provided on the front side and protrude from the long side edges before and after the rectangular sheet D are blown upward. Is configured so as not to be caught and adsorbed together with the rectangular sheet D in the porous adsorbing portion 13, and to deliver the stick-shaped sushi wrapping sheet A having a predetermined shape to the next adsorption conveyance mechanism J.

  That is, the first and second porous adsorbing portions 13a and 13b for adsorbing the stick-shaped sushi packaging sheet A are provided with a number of slits 12g and 12e on the front and rear surfaces of the adsorbing cases 12a and 12b that can be raised and lowered. In addition, the third porous suction portion 13c has a slit 12i formed on the surface plate 12h of the suction case 12c that can be raised and lowered. Each suction case 12a, 12b, 12c communicates with a suction mechanism (not shown), and jet nozzles 14 and 14 are provided at the front and rear edge portions of the second suction case 12b so that the nozzle is an exhaust mechanism (not shown). The end face envelope sheets E, E projecting from the long side edges of the rectangular sheet D by the exhaust from the nozzles 14, 14 are blown upward so that the end face cover sheets E, E are porous adsorbing portions 13a, 13b, 13c. The rectangular sheet D is not entrained and absorbed. Further, in addition to the ejection nozzle 14 for exhausting air upward, left and right nozzles 14a and 14b for exhausting air in the horizontal direction and spreading the rectangular sheet D as shown in FIGS. 4 and 5 are provided. The left and right nozzles 14a and 14b are disposed on the base 2 and communicate with an exhaust mechanism (not shown).

The operation procedure of the delivery unit H will be described in detail with reference to FIGS.
As shown in FIG. 5 and FIG. 6, an opening for taking out the single stick-shaped sushi wrapping sheet A is formed on the bottom surface of the storage case 11 in which the stick-shaped sushi wrapping sheets A are stacked and stored. The adsorption cases 12a, 12b, 12c of the part H extend toward the opening, and then the porous adsorption parts 13a, 13b, 13c adsorb the rectangular sheet D of the single stick sushi packaging sheet A at the bottom layer from the opening. .

  As shown in FIG. 7C, the porous adsorption portions 13a, 13b. 13c, the suction cases 12a, 12b, and 12c shrink downward while adsorbing the rectangular sheet D, and the front and rear of the rectangular sheet D are discharged by the exhaust from the nozzles 14 and 14 while pulling out the single sushi wrapping sheet A from the storage case 11. The end face foreskin sheets E and E protruding from the long side edge are blown upward so that the end face foreskin sheets E and E are caught in the porous adsorbing portions 13a, 13b and 13c together with the rectangular sheet D and are not adsorbed. Further, the rectangular sheet D is expanded in the horizontal direction by exhausting from the left and right nozzles 14a and 14b (see FIG. 5).

  As shown in FIG. 7 (d), the porous adsorbing portions 13a, 13b, 13c release the adsorbing state of the rectangular sheet D of the stick-shaped sushi packaging sheet A, and the porous adsorbing portion 13b is blown up from the ejection nozzles 14, 14. The state is released, and the stick-shaped sushi wrapping sheet A having a predetermined shape is delivered to the next suction conveyance mechanism J (see, for example, FIG. 8). The suction device and the suction device of the suction conveyance mechanism J, which will be described later, function as a negative pressure suction mechanism for negative pressure suction and are connected via a suction hose.

[Suction transport mechanism J]
The suction conveyance mechanism J will be described with reference to FIGS. FIG. 9 is an exploded perspective view showing a main part of the suction conveyance mechanism. FIG. 10 is a perspective view showing the suction conveyance mechanism. FIG. 11 is an exploded perspective view showing the suction conveyance mechanism. FIG. 12 is a cross-sectional view showing the suction conveyance mechanism.

  As shown in FIGS. 9 to 12, the suction conveyance mechanism J is laid detachably while holding a substantially U-shaped longitudinal hook 21 having an upper opening in the cross section and a fixed suction space at the bottom of the longitudinal hook 21. A perforated belt plate 23 and a perforated transport belt 24 as a suction transport belt G slidably mounted on the upper surface of the perforated belt plate 23 are configured. Further, the suction conveyance mechanism J has a substantially U-shaped longitudinal flange 21 ′ having a short-width cross-sectional upper opening parallel to the perforated conveyance belt 24 and a fixed suction space at the bottom of the short-width longitudinal collar 21 ′. A short-width porous belt-like plate 23 ′ held and detachably laid, and a short-width porous belt 24 ′ serving as a suction conveyance belt G slidably mounted on the upper surface of the porous belt-like plate 23 ′. It is composed. Reference numeral 24a 'in the figure denotes a suction hole of a short-width perforated conveyance belt. Reference numeral 23a 'denotes a long hole formed in a short-width porous strip plate.

  That is, a porous strip plate 23 having a plate-like leg portion 23a as a spacer projecting from the lower portion thereof is laid and housed in a fixed length in the wide longitudinal rod 21. A suction space S is formed in 21.

  Moreover, the perforated belt-like plate 23 is detachable from the longitudinal rod 21, and the perforated belt-like plate 23 is provided with a number of suction holes 23b. A number of suction holes 23b are formed on the plate 23 corresponding to the suction holes 23b. A perforated conveyor belt 24 having suction holes 24a is slidably stacked. Further, as shown in FIG. 11, in the longitudinal direction of the perforated conveyance belt 24, a number of suction holes 24a are formed to suck and convey one stick-shaped sushi packaging sheet A to form a group of suction holes. Each stick hole group adsorbs and conveys one stick-shaped sushi packaging sheet A.

  Further, a suction device (not shown) provided separately communicates with the side portions 22 of the longitudinal rods 21 and 21 ', and a rectangular shape is formed on the surface of the porous transport belt 24 through the suction holes 24a by making the suction space negative pressure. The sheet D can be sucked and conveyed.

  The suction conveyance belt G of the adsorption conveyance mechanism J is composed of two left and right porous conveyance belts 24, 24 '. When the stick-shaped sushi packaging sheet A is transferred from the transfer portion H onto the porous conveyance belt 24, the rectangular sheet D is used. The two end portions in the longitudinal direction are transferred so as to be suspended between the two perforated conveying belts 24, 24 '.

  That is, by arranging a plurality of suction cases 12a, 12b, and 12c that can be raised and lowered between the two perforated conveyance belts 24 and 24 'and outside the both belts, the suction cases 12a, 12b, and 12c in an elevated state are provided in advance. If the stick-shaped sushi wrapping sheet A is adsorbed on the surface plates 12f, 12d, and 12h, and the adsorbing cases 12a, 12b, and 12c are lowered as they are, both end portions in the longitudinal direction of the rectangular sheet D are automatically made of two porous pieces. A suspended state is established between the conveyor belts 24 and 24 '. In FIG. 10, reference numerals 26a and 26a ′ denote drive rollers that receive power from the drive motor and rotationally drive the perforated transport belts 24 and 24 ′ via multistage gears, and 26b and 26b ′ denote suction transport mechanisms. An auxiliary roller provided on the starting end side of J, 26c is a receiving roller provided on the end side of the suction conveyance mechanism J, and 26c ′ is a receiving roller provided in the middle of the suction conveyance mechanism J.

[Sushi drop placement section L]
The sushi drop mounting portion L will be described with reference to FIGS. FIG. 13 is a plan view showing a sushi drop mounting portion in the stick-shaped sushi packaging apparatus of the present invention. FIG. 14 is a plan view showing each disk of the sushi drop placement unit in the stick-shaped sushi packaging apparatus of the present invention. FIG. 15 is a cross-sectional view showing a sushi drop placement unit.

  The sushi drop mounting portion L shown in FIG. 13 to FIG. 15 is provided with a molding disc 31 provided with a large number of molding holes 31a on the periphery for forming into the shape of a stick-shaped sushi body B, and is disposed overlapping the lower portion thereof. A rotatable rotating disc 32 provided with a sushi throwing recess 32a for storing the bar-shaped sushi body B on the upper side, and a bar-shaped sushi body B which is disposed below and formed at a corresponding position of the rectangular sheet D is dropped. It comprises a drop window board 34 having a drop hole. Reference numeral 36a in FIG. 15 is a disk rotating shaft that supports the forming disk 31 and the rotating disk 32 and transmits the rotational power from the rotating motor 36b.

  The molding disk 31 shown in FIGS. 14 (a) and 15 is a disk having a large number of molding holes 31a corresponding to the thickness of the fixed sushi body B, that is, the thickness of the rod-shaped sushi body B. Rice grains are formed in the molding holes 31a. If a pressing die 35 (see FIG. 13) provided separately is pressed from above, the shape of a predetermined bar-like sushi body B is formed.

  The stick-shaped sushi main body B is molded and placed in advance by a large number of molding holes 31a, and is pushed into the sushi throwing recess 32a of the lower rotary disk 32 while being pressed from above by the pressing die 35.

  The rotating disk 32 shown in FIG. 14B and FIG. 15 is provided with a large number of sushi insertion recesses 32a for storing the bar-shaped sushi main body B on the peripheral edge thereof, and stores the bar-shaped sushi main body B pushed from above.

  Moreover, a support shutter 33 that can be opened and closed downward is provided on the bottom surface of the sushi throwing recess 32a, and the drop window board 34 (FIG. 14C) and FIG. 14) through the drop hole 34a. Further, since the support shutter 33 is provided, the stick-shaped sushi main body B is dropped onto the drop window board 34 after the rotary disk 32 rotates and reaches the drop hole 34a after the stick-shaped sushi main body B is placed on the support shutter 33. Since the stick-shaped sushi body B is not slid on the surface, that is, the stick-shaped sushi body B is covered with the surface of the support shutter 33, the yield of the stick-shaped sushi body B is improved.

  The support shutter 33 is configured by supporting left and right guide plates 33a and 33a on left and right shutter shafts 33b and 33b. In the closed state of the support shutter 33, the left and right guide plates 33a, 33a that are pivotally supported are horizontal, and the stick-shaped sushi body B from the upper molding disk 31 is placed thereon. Thereafter, when the support shutter 33 on which the stick-shaped sushi body B is placed moves to a position corresponding to the drop hole 34a of the lower drop window board 34, the opening shutter portion 34b of the drop window board 34 opens, and the upper support shutter 33 is automatically operated. The stick-shaped sushi body B can be dropped and placed on a rectangular sheet D that is opened and serves as a guide for the drop hole 34a of the drop window board 34, and is waiting on the perforated conveyance belt 24 below. The rectangular sheet D on which the stick-shaped sushi body B is placed is sucked and transported to the next end face covering portion M by the suction transport mechanism J.

[End face covering part M]
The end face covering portion M will be described with reference to FIGS. 16 to 20. FIG. 16 is a plan view showing an end face covering portion and a rectangular sheet winding portion of the stick-shaped sushi packaging apparatus of the present invention. FIG. 17 is a plan view showing a usage state of the end surface covering portion of the stick-shaped sushi packaging device of the present invention. FIG. 18 is a right side view showing a usage state of the end face covering portion in the stick-shaped sushi packaging device of the present invention. FIG.19 and FIG.20 is a front view which shows the use condition of the end surface coating | coated part in the stick-shaped sushi packaging apparatus of this invention.

  As shown in FIGS. 16 and 17, the end face covering portion M bends the end face envelope sheets E and E with respect to both end faces B1 and B1 of the stick-like sushi body B dropped on the rectangular sheet D of the stick-like sushi packaging sheet A. An end sheet folding body 41 that can be raised and lowered for contact, an end face form sheet 54 that forms end face envelope sheets E and E that are in contact with both end faces of the stick-shaped sushi body B, and an end face sheet folding body. It consists of lower presser arms 43 and 43 for defining the boundary between the rectangular sheet D and the end face foreskin sheets E and E in accordance with the lifting operation of the bar 41, and the stick-shaped sushi body B shown in FIG. Both end faces B1 and B1 are configured so that the end face foreskin sheets E and E can be accurately foreseen.

  As shown in FIGS. 17, 18 (a), and 19 (a), the end surface sheet bent body 41 has an inverted L-shaped upper portion and is configured to be movable up and down. (See FIG. 17) is disposed at a corresponding position on the lower surface of the end face envelope sheet E on the side edge of the rectangular sheet D.

  Accordingly, as shown in FIG. 18B and FIG. 19B, when the end face sheet folded body 41 is raised, the end face envelope sheets E and E are lifted and bent at a right angle and placed on the rectangular sheet D. It abuts on both end faces B1 and B1 of the placed stick-shaped sushi body B. In the figure, reference numeral 47 is a substantially U-shaped lifting frame that connects the base of the end surface sheet bent body 41 and an operating bar 42 described later, and the end surface sheet that is connected by the lifting frame being moved up and down when a lifting motor (not shown) is driven. The lower presser arm 43 is operated by the interlocking operation bar 42 while moving the bent body 41 up and down.

  Further, as shown in FIG. 20, a pair of end face sheet attaching portions 44, 44 that are attached to the peripheral surface B <b> 2 of the stick-shaped sushi body B are arranged in a substantially C shape in front view, above the stick-shaped sushi body B. The end portions 44a, 44a of the end face sheet attaching portions 44, 44 slide in the horizontal direction so that the remaining edge portions of the end face foreskin sheets E, E are attached to the bar-shaped sushi body B upper peripheral surface B2. . The end face sheet drive box 46a houses an end face sheet drive mechanism for driving the end face sheet adhering portion 44, and the end face sheet drive box 46a is supported by connecting a connecting frame 48e to upper and lower frames 46c and 46d. . The base portion of the upper frame 46c is connected to the connecting body 46f, and the base portion of the lower frame 46d is connected to the support machine frame 46b. The support machine frame 46 b is erected on the box-shaped base 2 of the stick-shaped sushi packaging device K. In FIG. 19, reference numeral 44 b is a pivotal portion of the tip end portion 44 a of the end face sheet attaching portions 44, 44, and 44 c is a drive shaft of the end face sheet attaching portion 44.

  Naturally, two end sheet folding bodies 41 are provided at the front and rear, and the end face envelope sheets E and E are configured to be in contact with both end faces B1 and B1 of the stick-shaped sushi body B.

  Further, an operating bar 42 is constructed integrally on the lower base portion of the two end surface sheet bent bodies 41, and is in contact with the base portion of the lower presser arm 43 pivotally supported in the middle of the machine frame 45 from below. Yes.

  If the two end surface sheet bent bodies 41 for bending the end face foreskin sheet E are raised, the tip 43a of the lower presser arm 43 pivotally supported by the machine frame 45 is displaced downward.

  The distal end portion 43a of the lower presser arm 43 is formed in a longitudinal piece so as to be able to draw and draw the folding curve of the lifted end face foreskin sheet E base, and therefore the end face sheet bent body 41 is raised to lower the presser foot. If the distal end portion 43a of the arm 43 is displaced downward, the end face foreskin sheet E can be bent accurately because the longitudinal piece defines the folding curve of the base for the end face foreskin sheet E.

  That is, the bent end face foreskin sheet E can be brought into contact with both end faces B1 and B1 of the stick-shaped sushi body B accurately, and the front end portions 44a of the pair of end face sheet sticking portions 44 described above are in the horizontal direction. By sliding close to each other, the remaining edges of the end face foreskin sheets E, E can be adhered to the peripheral surface B2 of the stick-shaped sushi body B, and the end face formwork 54 in the next step is sufficiently operated. Can do.

  Next, as shown in FIG. 17, a label seal sticking mechanism N for sticking a label seal to the rectangular sheet D is arranged, and the label seal is attached to the edge in the longitudinal direction of the rectangular sheet D by the label seal sticking mechanism N. Adhere R.

[End face formwork and rectangular sheet winding part O]
The end face formwork 54 and the rectangular sheet winding part O will be described with reference to FIGS. FIG. 21 is a rear view of the end face formwork and the rectangular sheet winding part of the stick-shaped sushi packaging apparatus of the present invention. 22 and 23 are rear views showing a usage state of the end face formwork and the rectangular sheet winding part. FIG.24 and FIG.25 is a top view which shows the use condition of the end surface formwork and a rectangular sheet winding part. FIG.26 and FIG.28 is a right view which shows the use condition of the end surface formwork and a rectangular sheet winding part.

  As shown in FIG. 21, the end face formwork 54 is composed of two presser arms 55 and 55 that can be opened and closed, and two presser arms 55 and 55 are arranged at the front and rear positions of the rectangular sheet D, and the presser arms 55 and 55 are bar-shaped. When pressed against the end face of the sushi body B, the end face foreskin sheet E that is in contact with the end face of the stick-like sushi body B is formed into a shape that conforms to the end face and matches the end face of the cylinder.

  The two presser arms 55 are opened and closed by an interlocking mechanism so as to be close to and away from the end surface of the stick-shaped sushi body B. In the figure, reference numeral 56 denotes a rectangular parallelepiped storage machine frame that houses an interlocking mechanism that moves the presser arms 55 and 55 close to and away from each other and allows horizontal movement, and the storage machine frame 56 is disposed on the base 2. Yes.

  As shown in FIGS. 21 and 24, the presser arm 55 is composed of front and rear presser pieces 55a and 55a having a substantially U-shape, and the distance between the front and rear presser pieces 55a and 55a is substantially equal to the diameter of the stick-shaped sushi body B. It is formed so as to form the same interval.

  The stick-shaped sushi body B that has undergone the process of the sushi drop mounting portion L is transported by the suction transport belt G in a state where the end face envelope sheets E and E are adhered to the end faces B1 and B1 and the peripheral face B2, and the end face form 54 Stop in front of. Next, as shown in FIGS. 22 (a) and 24 (a), the two presser arms 55, 55 are lowered from above the stick-shaped sushi body B while approaching each other, and FIGS. 22 (b) and 24 are used. As shown in (b), the front and rear edge portions of the end face foreskin sheets E, E are brought into contact with the stick-shaped sushi body B by the front and rear presser pieces 55a, 55a of the presser arm 55. As shown in FIG. 22 (c), the two presser arms 55 hold the stick-shaped sushi body B while covering it with the end face foreskin sheets E, E and horizontally transport it to the next step.

  A rectangular sheet winding portion O is disposed at the end of the suction conveyance mechanism J1. That is, when the stick-shaped sushi main body B is placed on the rectangular sheet D and the end face foreskin sheet E is pressed against the both end faces of the stick-shaped sushi main body B by the end face mold 54, the rectangular sheet winding part is directly taken by the suction conveyance mechanism J1. Transport horizontally to O.

  And if it reaches the rectangular sheet winding part O, it will enter into the work which winds the rectangular sheet D to the surrounding surface with respect to the stick-shaped sushi main body B in this position.

  That is, the rectangular sheet winding part O is configured by suspending a rolling belt 62 having at least the same width as the length of the stick-shaped sushi body B around the left and right rollers 61, 61. It is configured to operate freely.

  As shown in FIG. 26 (a), the left and right rollers 61, 61 are pivotally supported at the ends of substantially L-shaped left and right arm portions 63, 63 that can be opened and closed, and the base portions of the left and right arm portions 63, 63 are freely openable and closable. It is pivotally supported by. In addition, auxiliary rollers 64 and 64 that assist the rotating belt 62 are pivotally supported in the middle portions of the left and right arm portions 63 and 63. That is, the left and right rollers 61 are rotatably supported by the roller shaft 61a. The left and right arm parts 63 are pivotally supported at the base by an arm pivot part 63a. The left and right fixed rollers 65 are pivotally supported by a fixed roller shaft 65a. In the figure, reference numeral 66 denotes a tension roller, 66a denotes a tension shaft of the tension roller, 67 denotes a winding roller that rotates the rotating belt 62 with the left and right arm portions 63 and 63 closed, and 67a denotes the winding roller 67. It is a winding roller shaft for rotationally driving.

  22 (d), FIG. 25 (c), and FIG. 26, if the left and right rollers 61, 61 are separated from each other, the turning belt 62 spreads horizontally, and in this state, the rectangular sheet D on which the stick-shaped sushi body B is placed is formed. Place. Both end faces B1 and B1 of the end face envelope sheets E and E are still supported by the end face formwork 54, and as shown in FIGS. 23 (e), 26 (b), and 27 (c), an upper squeeze push-in portion is provided. When the left and right arm portions 63, 63 are closed while 68 is descending, the rolling belt 62 tends to sink downward with the rectangular sheet D placed thereon, and is gradually bent from both ends of the rectangular sheet D, and the center of the rectangular sheet D is reached. The rolling belt 62 moves in such a manner as to wrap the part-shaped sushi body B round. That is, the sushi pushing portion 68 has an upper portion connected to the pushing rod 68a, a horizontal pushing rod 68b coupled to the pushing rod 68a, and an operating mechanism 68c that operates up and down freely linked to the horizontal pushing rod 68b. When the operation mechanism 68c is operated, the sushi push-in portion 68 is moved up and down. Reference numeral 69 denotes a sushi receiving portion formed in a concave shape for supporting the stick-shaped sushi body B pushed by the sushi pushing portion 68.

  As shown in FIG. 27 (d), when the sushi pusher 68 is separated upward and the left and right rollers 61, 61 are moved in the proximity direction, the rectangular sheet D is in a state where half of the peripheral surface of the stick-shaped sushi body B is wound. When the winding roller 67 is rotated, the rotating belt 62 is rotated, and further, the left and right rollers 61, 61 are rotated, whereby the rectangular sheet D is wound around the entire peripheral surface of the stick-shaped sushi body B. A label seal R is attached to the rectangular sheet D.

  If the left and right rollers 61, 61 are moved again in the separation direction, the rolling belt 62 is stretched in the horizontal direction, and the bar-shaped sushi P wound around the rectangular sheet D appears on it.

  When the left and right rollers 61, 61 are moved in the proximity direction so that the rectangular sheet D is wound around the peripheral surface of the stick-shaped sushi body B, the end formwork 54 is separated from both end faces of the stick-shaped sushi body B. The end face envelope sheets E, E are wrapped around both edges of the rectangular sheet D.

  In this way, the whole surface of the bar-shaped sushi body B is wrapped with the rectangular sheet D holding the nori sheet C and the end face foreskin sheet E, and the film-wrapped bar-shaped sushi P (see FIG. 28) adapted to the display form of the convenience store. Complete.

  In order to relax or tension the rolling belt 62 between the left and right rollers 61, 61, an idler roller is appropriately disposed in addition to the left and right rollers, and the rolling belt is interposed between the left and right rollers and other interlocking rollers. By suspending the sushi roll, the rolling belt tensioning form between the left and right rollers can be changed according to the displacement operation of each roller, and the circumferential surface of the stick-shaped sushi body can be automatically wound with a rectangular sheet.

  The stick-shaped sushi wrapping sheet A and the stick-shaped sushi body B are transported in each process using the perforated transport belts 24 and 24 ', and a position sensor (at the start end position of the belt is used to calculate the reference position of the perforated transport belt 24. (Not shown) may be provided. The control unit of the bar-shaped sushi packaging device K can perform each step by placing the bar-shaped sushi packaging sheet A on the perforated transport belt 24 at predetermined intervals based on the calculated position signal based on the signal of the position sensor. Thus, it becomes possible to obtain the packaged stick-shaped sushi P.

  As described above, some of the embodiments of the present invention have been described in detail with reference to the drawings. However, these are merely examples, and various embodiments can be made based on the knowledge of those skilled in the art including the aspects described in the section of the disclosure of the invention. The present invention can be implemented in other forms that have been modified or improved.

P Bar-shaped sushi A Bar-shaped sushi packaging sheet B Bar-shaped sushi body C Nori sheet D Rectangular sheet E End face foreskin sheet P Film-wrapped bar-shaped sushi

K stick-shaped sushi packaging device F
11 Storage Case G Suction Transport Belt
H delivery department
H1 Adsorption delivery mechanism 12a, 12b, 12c Adsorption case 12d, 12f, 12h Surface plate 12e, 12g, 12i Slit 13a, 13b, 13c Porous adsorption part 14 Ejection nozzle

J Adsorption / conveyance mechanism 21 Longitudinal rod 22 Bottom 23 Perforated strip plate 23a Leg 23b Suction hole 24 Perforated transport belt 24a Suction hole 25 Intake device

L Sushi drop mounting part 31 Molding disk 31a Molding hole 32 Rotating disk 32a Sushi insertion recessed part 33 Support shutter 33a Left and right guide plate 33b Left and right axis 34 Drop window board 34a Drop hole 35 Push mold

M End surface covering portion 41 End surface bent body 41a Horizontal piece 42 Actuating bar 43 Lower presser arm 43a Tip portion 44 End surface sheet attaching portion 45 Machine frame

54 End surface formwork 55 Presser arm 56 Storage machine frame

N Label sticker attaching mechanism

L Rectangular sheet winding part 61 Left and right rollers 62 Rolling belt 63 Left and right arm part 64 Auxiliary roller 65 Left and right fixed roller 67 Winding roller 68 Sushi pushing part

Claims (4)

A laminated reservoir of the rod-like sushi wrapping sheet both end faces of the rod-shaped sushi body to the long side edges and configured to protrude form the end face foreskin sheet for foreskin flat bag-like rectangular sheets containing the laver sheets therein , A delivery unit for placing each stick-shaped sushi wrapping sheet on the suction transport belt, an adsorption transport mechanism for sucking and transporting the stick-shaped sushi wrapping sheets one by one by a negative pressure suction mechanism, and a stick-shaped sushi wrapping sheet A sushi drop placement section for dropping and placing the stick-shaped sushi body on the flat bag-like back sheet from above, and end face foreskin sheets by end face molds on both end faces of the stick-shaped sushi body on the stick-shaped sushi packaging sheet In a stick-shaped sushi wrapping apparatus constituted by an end face covering portion for covering the surface and a rectangular sheet winding portion for winding a rectangular sheet around the peripheral surface of the stick-shaped sushi body after covering both end faces with end face foreskin sheets
The delivery part is composed of a porous adsorbing part that adsorbs the rectangular sheet of stick-shaped sushi foreskin sheet, and an ejection nozzle provided at the front and rear edge parts of the porous adsorbing part, and projecting from the long side edge before and after the rectangular sheet A stick-shaped sushi packaging device configured such that the sheet is blown upward so that the end face foreskin sheet is not caught and adsorbed together with the rectangular sheet in the porous adsorption part. The suction conveyance mechanism includes a substantially U-shaped longitudinal ridge having an upper opening in the cross section, a porous belt-like plate detachably laid while holding a fixed suction space at the bottom of the longitudinal fold, and an upper surface of the porous belt-like plate in the longitudinal heel. The stick-shaped sushi packaging device according to claim 1, further comprising a perforated conveyance belt placed slidably on the bar. The sushi drop mounting unit is a fixed disk provided at a position corresponding to the upper side of the rectangular sheet that has been transported with a drop hole for dropping the shaped stick-shaped sushi body, and a rotating disk that is rotatably overlapped on the upper surface of the fixed disk A large number of sushi throwing recesses for feeding the stick-shaped sushi body are formed on the periphery of the rotating disk, and a support shutter that can be opened and closed downward is provided on the bottom surface of the sushi throwing recess to open the support. The stick-shaped sushi packaging apparatus according to claim 1 or 2, wherein the stick-shaped sushi body is configured to drop onto a rectangular sheet through a drop hole of a fixed disk while being guided by a shutter. The end surface covering part is a vertically movable end sheet folded body for folding and contacting the end face foreskin sheet against both end faces of the rod-shaped sushi body dropped on the rectangular sheet, and the foreskin contacting the both end faces of the rod-shaped sushi body It consists of an end face formwork that forms the sheet according to the end face, and a lower presser arm that suppresses the boundary part between the rectangular sheet and the foreskin sheet according to the rising operation of the end face sheet bent body, and accurately forms the end face of the bar-shaped sushi body The bar-shaped sushi packaging device according to any one of claims 1 to 3, wherein the bar-shaped sushi packaging device is configured such that it can be foreseen with a foreskin sheet.

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