JPH08164920A - Sheet-feeding method and its device - Google Patents

Abstract

PURPOSE: To automatically feed a sheet quickly and assuredly by a method wherein a roll-form sheet is pulled out to a specified location, and after pinching the sheet by a pinching means, the sheet is stretched toward the inside of a container by the self weight of a stretching means, and then, the sheet is cut and simultaneously pushed into the container by the stretching means. CONSTITUTION: For a sheet-feeding method to feed a sheet 100 which is placed inside of a food storage container 10 for cooked rice, etc., one end of the sheet 100 which is wound into a roll-form is pinched by a pinching means 16, and after being pulled out to a specified location, the sheet 100 is pinched by pinching means 54, 72 on the sheet roll side 1. Then, the sheet 100 is stretched toward the inside of a container 10 by the self weight of a stretching means 34, and then, the sheet 100 is cut by a cutting means 65 at a location right after the pinching means 54, 72. At the same time, the pinching means 16 is released, and the sheet 100 is pushed into the container 10 by a dropping motion of the stretching means 34 which is being hung. By this method, the sheet is automatically fed quickly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet supply method and apparatus for supplying a sheet laid inside a food storage container such as cooked rice.

[0002]

2. Description of the Related Art In a bento and nigiri rice manufacturing plant, it is necessary to cook rice in a short time to perform various processing and packing in a lunch box. Therefore, the cooked rice is stored in a container and stored. , Was transported to the processing plant. However, when these cooked rice and the like were directly stored in the container and stored, the paste-like material stuck to the inside of the container, which required time and effort for cleaning. Further, when the containers are stacked, dust on the lower surface of the upper container may fall inside the container immediately below. For this reason, a plastic film-like sheet is laid inside the container, the rice is stored on the sheet, wrapped with sheets at the remaining edges on both sides of the container, the containers are stacked and stored or transported to a processing plant. Was there. However, the work process of laying a sheet inside such a container has not been conventionally automated, and a long sheet perforated at appropriate intervals is cut and supplied onto the container. The sheets were pressed with fingers to fit inside the container and laid, and this was supplied below the outlet of the cooked rice cooling conveyor. It took a lot of manual labor and a lot of time to fit the sheet by pressing it to the inner corner of the container.
Further, as an recently developed automatic machine, a sheet is pulled out by a gripping means onto a container that is intermittently sent under the outlet of a cooked rice cooling conveyor, and after the cooked rice has dropped onto the sheet, There is a structure in which the sheet is cut and the gripping means is opened.

[0003]

However, in order to surely cut the sheet after the cooked rice is dropped and stored in the container in this way, it is necessary to apply tension to the sheet to tension it. For this reason, it takes more time, and it is inconvenient because the containers are continuously exchanged or the sheets are not supplied to the containers intermittently for continuously supplied cooked rice. Therefore, the present invention solves the problems of the conventional device described above, and not only is the cutting of the sheet quick, reliable, and easy, but it is also possible to press the sheet inside the container quickly and reliably and automatically supply it. Provided is a sheet feeding device which is made possible.

[0004]

Therefore, according to the present invention, in a sheet supply method for supplying a sheet laid inside a food storage container, one end of a rolled sheet is mechanically gripped by a gripping means. And pull it to a predetermined position, and when the pulling out of the sheet is completed, the sheet is pinched by the pinching means on the sheet roll side, while the sheet is directed to the inside of the container by the self-weight of the tensioning means suspended with slack. After tensioning the sheet, the sheet is cut at a right angle to the pull-out direction immediately after the sandwiching means, at the same time the gripping means is opened, and the suspended tensioning means drops the slack to cause the sheet to fall. It is designed to be pushed into the container, and this is the means for solving the problem. Further, the present invention is a sheet supply device for supplying a sheet laid inside a food storage container, a grasping means for mechanically grasping one end of a rolled sheet and pulling it out to a predetermined position, and completion of sheet withdrawal. Sometimes a sandwiching means for sandwiching the sheet on the side of the sheet roll, and a tensioning means suspended with a slack that causes the sheet to be strained toward the inside of the container by its own weight,
Immediately after the sandwiching means, a cutting means for cutting the sheet substantially perpendicular to the drawing direction and an opening means for opening the gripping means at the same time when the sheet is cut by the cutting means are provided. , Is a means for solving the problems. Further, according to the present invention, after the sheet is cut by the cutting means, the handles attached to both sides of the container are pivoted to the upper side of the container, so that the excess sheets on both sides of the container and the upper surface of the container are grasped. It is characterized in that a handle rotating means is provided so as to be sandwiched between and.

[0005]

Operation: One end of the sheet 100, which is the starting end of the sheet roll 1 in which a sheet of plastic film or the like is wound into a roll, is mechanically grasped by the chuck 16 as the grasping means and pulled out to a predetermined position, and the withdrawal of the sheet 100 is completed. On the sheet roll 1 side, the sheet 100 is sometimes clamped by the clamping means composed of the sheet retainer 54 and the pedestal 72, while the pressing metal fitting 34, which is a tensioning means suspended by the chain 35 with slack, is self-weighted. Sheet 10
After tensioning 0 toward the inside of the container 10, the nichrome wire 65 heated immediately after the nipping means cuts the sheet 100 substantially at a right angle to the pull-out direction and at the same time opens the chuck 16 serving as the gripping means. , The pressing metal fitting 34, which is the suspended tensioning means, drops the slack, so that the sheet 100 is transferred to the container 1
It is designed to be pushed into 0. Further, after the sheet 100 is cut by the cutting means, the handles 73 hung on both sides of the container 10 are rotated above the container 10 to remove the excess sheets 100 on both sides of the container 10. Top surface and handle 73
It is designed to be sandwiched between and. As a result, when the sheet 100 is cut, tension is applied to the sheet 100 in the pull-out direction due to the weight of the pressing metal fitting 34 that is a tensioning means, and the heated nichrome wire 65 is cut at the moment when the sheet 100 is applied. Can be cut quickly, reliably and easily. Moreover, at the same time as this cutting, the sheet 100 is quickly and surely pressed against the inside of the container 10 by the own weight of the pressing metal fitting 34 which is a tensioning means. And sheet 1
After 00 is cut, the handles 73 attached to the hanging shafts on both sides of the container 10 are rotated upwards of the container,
The remaining sheets 100 on both sides of the container 10
Since it is sandwiched between the upper surface of 0 and the handle 73, the handle 73 and the sheet 100 are not located on both sides of the container 10 when the container 10 is transported downstream on the conveyor, and therefore the transport is smooth without any hindrance. The edge of the sheet 100 is clean without being contaminated.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic view of a main part showing a sheet feeding method by a sheet feeding device of the present invention. As shown in FIG. 1A, a sheet 100 such as a plastic film is wound in a roll shape and the sheet roll 1 The starting end of the sheet 100 is pinched from the front and back sides by the pinching means via the idle rollers 83 and 84. The nipping means includes a sheet retainer 54 arranged on the upper front side and a pedestal 72 arranged on the lower back side. On the other hand, the chain 3 is provided above the container 10 which is transported on the transport conveyor 6 from the direction perpendicular to the paper surface.
A holding metal fitting 34 hung by 5, etc. is arranged.
In FIG. 1A, the starting end of the sheet 100 is sandwiched by the sandwiching means from the front and back sides, and the chuck 16 serving as a gripping means.
Is being gripped by. Next, FIG.
As shown in (B), when the sheet presser 54 rises, the chuck 16 which is a mechanical gripping and grasping means moves the sheet 100 to the sheet 100.
Grasping the starting end of the container 10 and the pressing metal fitting 34
Pull it to the specified position through Reference numeral 66 is a non-slip rubber fixed to the lower portion of the sheet retainer 54.
Then, as shown in FIG. 1C, when the drawing of the sheet 100 is completed, the sheet 100 is pinched by the sheet roll 1 side by the pinching means including the sheet presser 54 and the receiving base 72, and is hung by the chain 35. The pressing metal fitting 34, which is the lowered tension means, is placed on the sheet 100. At this time, the chain 35 is slack. As a result, the sheet 100 is tensioned toward the inside of the container 10 by the weight of the holding metal fitting 34, and immediately after the holding means, the heated nichrome wire 65 is arranged substantially at right angles to the drawing-out direction of the sheet 100. By
As shown in FIG. 1D, the sheet 100 is instantaneously cut, and at the same time, the chuck 16 which is the gripping means is opened, and the holding metal fitting 34 which is the suspended tensioning means drops the slack. Thus, the sheet 100 is pushed into the container 10. As described above, when the sheet 100 is cut, tension is applied to the sheet 100 in the pull-out direction by the weight of the holding metal fitting 34 that is a tensioning means, and at the moment when the heated nichrome wire 65 is applied onto the sheet 100. The cutting is performed quickly, reliably and easily, and at the same time as the cutting, the sheet 100 is quickly and reliably pressed against the inside of the container 10 by the own weight of the pressing member 34 which is a tensioning means. In addition, 7
Reference numeral 3 denotes a handle which is to be rotated above the container 10 by a handle rotating means described later.

In FIG. 2, an empty container is conveyed on a conveyer conveyor, and after a sheet is supplied by a sheet supply device, it is transferred to the lower part of the outlet of the cooked rice cooling conveyor to store a predetermined amount of cooked rice. It shows a layout up to a downstream processing step. From the left side of the drawing, empty containers 10A are successively conveyed to the sheet feeding apparatus by the conveyor 6A as indicated by the arrow. Container 10A
Are stopped by a stopper in front of the sheet feeding device and wait for their turn. The sheet feeding device pulls out the sheet 100 in the direction orthogonal to the flow direction of the conveyor 6A as indicated by the white arrow, and hangs the sheet on the container as described above. Next, the container 10B on which the sheets are hung is transferred to the conveyor 6B orthogonal to the conveyor 6A,
It reaches the lower part of the outlet of the cooked rice cooling conveyor 6C which is orthogonal to the conveyor 6B, and the stopper 7 waits for the turn and the cooked rice is dropped and stored. Next, the container 10C containing the cooked rice reaches the processing step further downstream on the conveyor 6B.

FIG. 3 shows a container 1 used in this embodiment.
The four side walls of the container 10 are formed of a pair of opposing long side portions 10L and a pair of opposing short side portions 10S. The short side portion 10S has its axis for hanging the handle 73. The part is pivotally supported by 73A and is also supported.

FIG. 4 is a view of the sheet feeding apparatus of the present invention as seen from the sheet pulling direction, in which the sheet roll 1 is inserted through a holder 3 which is screwed into a support shaft 2 which is axially supported by a frame 4. It is arranged. Reference numeral 6 denotes a conveyer conveyor for the container 10 below the sheet supply device, and the sheet is supplied to the container 10 stopped by the stopper 7 raised by the cylinder 8. When the stopper 7 descends and the container 10 is discharged, the stopper 7 rises again due to the projection of the photoelectric tube 9 and the next container 10 waiting in turn stops,
Similar sheet feeding is performed.

In FIGS. 4 to 7, reference numeral 11 denotes a mounting frame for a chuck 16 as a holding means, and four rollers 13 are provided.
It is movably held by the left and right guide frames 12. Reference numeral 14 is a bearing that rotatably holds the cam shaft 15 of the chuck 16 attached to the attachment frame 11. Reference numeral 16 is a chuck 16 as a gripping means for holding the leading end of the sheet 100, and details are shown in FIGS.
Shown in Reference numeral 17 denotes a drive shaft of a traveling drive chain 18 of the chuck mounting frame 11, which is rotatably held by a bearing unit 23, and two drive chain wheels 19 and 20 are keyed. 24
Is a brake geared motor for driving and driving the chuck mounting frame 11, and includes chain wheels 21 and 22.
Rotate the chain wheel 20 through. The two chains 18 are suspended by a drive chain wheel 19 and a take-up chain wheel 19 ', and both ends thereof are fixed to both sides of the chuck mounting frame 11.
In FIG. 7, reference numeral 27 is a bracket for holding the chuck 16, and a pin 25 which is a main shaft of the chuck 16 is inserted and bolted to the mounting frame 11. Pin 2
5 is two metal fittings 32 welded to one chuck plate 31
It is rotatably held by a bush 26 press-fitted into the hole of No. 3, and the other is also inserted into the hole of the metal fitting 33 welded to the chuck plate 31 and fixed with a set bolt. As shown in FIG. 6 (A), when the cam shaft 15 rotates and both convex portions of the cam 30 fixed to the cam shaft 15 push the chuck plate 31 apart,
When the tip end of the chuck plate is closed, the starting end of the sheet 100 is gripped by the rubber 29 adhered, and the cam shaft 15 is rotated so that the flat part of the cam 30 contacts the chuck plate 31,
The spring 28 opens the chuck plate 31 and removes the chuck 16.

4, 5, and 11, 34 is a holding metal fitting as a tensioning means for pushing the sheet 100 into the inside of the container 10, 35 is four chains for suspending the metal fitting, and 36 is two chains on one side. The two chain wheels that suspend the
It is rotatably held by. Reference numeral 40 denotes two chain wheels that suspend two other chains on one side, and are rotatably held by bearings 38 fixed to a shaft 39 and attached to a frame 46. A chain wheel 42 is rotatably held by a shaft 41 fixed to a frame 46. 4 suspending the metal fittings 34
The chains of the book are suspended on chain wheels 36, 42 and 40, 42, respectively, and are attached to a tip fitting 43 of a cylinder 44 with a guide so as to be adjustable in length. As a result, when the piston of the cylinder with a guide 44 moves forward, the holding metal fitting 34 moves down, and when it moves backward, it moves forward.
Reference numeral 45 is a lever fixed to one end of the cam shaft 15, and although not shown because it is the back side of 47, 47 'in FIG. 5, a pin 46 is fixed to one end of the lever. The lever 47 is mounted on the frame 4 so that the chuck mounting frame 11 is on the same axis as the cam shaft 15 at the position where the chuck mounting frame 11 grips the sheet 100.
A knuckle 50, which is rotatably attached to a shaft 49 that is fixed to the knuckle and has one end screwed to a piston rod of a cylinder 48, is pinned by a pin 51. The head side of the cylinder 48 is formed as a single clevis, and is pinned by a pin 53 inserted into a hole of a frog or metal fitting 52 welded to the frame. When the piston rod of the cylinder 48 extends upward, the lever 47 rotates in the direction of the arrow, and the lever 4
5 Therefore, the cam shaft 15 is also rotated in the same direction to rotate the cam 30.
Since the sheet is rotated, the state shown in FIG. Even if the piston rod of the cylinder 48 returns to its original position, the cam 30 is at the dead point and the chuck 16
Keeps gripping the sheet. When the container 10 is conveyed in front of the stopper 7 and the photoelectric tube 9 is shielded from light, the sheet presser 54 rises, the brake geared motor 24 is driven, the chain wheel 19 is rotated, and the chuck mounting frame 11 and the chuck 16 are seated. 100
While holding, move to the left in FIG. 5 and stop.

The sheet may be cut by a fixed piece and a rising and falling piece such as shearing, a knife may be cut at a right angle to the sheet withdrawing direction, or a nichrome wire may be cut at 300 ° C. Although there is a method of cutting by lowering it by heating to a certain degree, this embodiment describes a cutting method using a nichrome wire. In FIG. 8, FIG. 9 and FIG. 10, 54 is a sheet retainer, and a rubber 66 is provided on the lower side.
The sheet 10 is adhered to and lowered to the pedestal 72.
Hold and hold 0. Also, 54 and 72 have openings into which the chuck 16 is inserted to grip the remaining cut sheet ends. Reference numeral 55 is a cylinder for lifting and lowering the seat retainer 54, two of which are arranged on the left and right. A pin 60 inserted into a hole of a bracket 59 welded to the frame 4 is inserted into a hole of a double clevis on the head side, and is attached to the tip of the piston rod. A pin 57 is inserted into the hole of the knuckle screwed into the hole of the lower end of the elevating shaft 67 of the sheet presser 54 and is connected thereto. The bearing housing 58 is attached to the frame 4 with two on one side and four on both sides.
Each has two bearing metals, and guides the lifting and lowering of the seat retainer lifting shaft 67 and the nichrome wire lifting shaft 71. Two sheet presser lifting shafts 67 on both sides are inserted into both side ends of the sheet presser 54, and collars 68 are fixed to the lower portions of the both side ends with set bolts, respectively.
The collar 68 pushes up the sheet presser 54. A compression spring 70 and a collar 69 are arranged above the both ends of the seat retainer 54.
Since the sheet presser 54 is attached after being slightly compressed, when the piston rod of the lifting cylinder of the sheet presser 54 retracts, the mounting height of the collar 69 is adjusted so that the sheet presser 54 holds the sheet 100 with a constant force. You can

Reference numeral 62 denotes two right and left nichrome wire lifting cylinders, which are pinned by pins 60 to the double clevis on the head side and the bracket 61 welded to the frame 4, respectively. The knuckle 56 screwed into the tip of the piston rod and the lower end of the elevating shaft 71 of the nichrome wire 65 are pin 57.
It is pinned by. A nichrome wire holder mounting bracket 63 is fixed to each of the nichrome wire elevating shafts 71 with a set bolt so as to be flush with the shaft 71.
A nichrome wire holder 64 covered with an insulator is attached to each of the metal fittings 63, and the holder 64 is held by a spring (not shown) so that a constant tension can be applied to the nichrome wire regardless of the temperature. Electricity of a predetermined voltage is sent to the nichrome wire so as to maintain a constant temperature according to its thickness.

As shown in FIG. 4, when the container 10 arrives in front of the stopper 7 and the photocell 9 is shielded while the sheet 100 is grasped at the position where the chuck 16 grasps the sheet, the sheet holders on both sides are raised and lowered. Compressed air enters the lower side of the cylinder 55 and raises the sheet retainer 54. After rising, the chuck mounting frame 11 moves to the left in FIG. 5 while holding the sheet 100 by the chuck 16, stops at a predetermined position, and the sheet retainer 54 descends to clamp the sheet 100. When the piston of the cylinder 44 with a guide moves forward and the holding metal fitting 34 as the tensioning means descends, the seat 100 is tensioned, and then the pistons of the two nichrome wire lifting cylinders 62 on the left and right are lowered.
The sheet 100 is immediately cut by the heat of the nichrome wire 65. Almost at the same time, the piston of the cylinder 48 'in FIG. 5 is lifted to move the lever 47' and the lever 46 in FIG.
Therefore, the cam shaft 15 and the cam 30 are rotated in the direction of the arrow to open the chuck 16, and the state shown in FIG.
The holding metal fitting 34 descends by the amount of slack of the chain and pushes the sheet 100 into the inner bottom portion of the container 10 quickly and reliably. After the holding metal fitting 34 is raised to its original position, as shown in FIG.
The handle 73 is raised above the container 10 by the method shown in FIG. 13 to clamp the excess sheets 100 on both sides of the container 10 between the upper surface of the container 10 and the handle 73, and then the stopper 7
And the container 10 is discharged to discharge the container 10, the brake geared motor 24 rotates in the opposite direction to return the chuck mounting frame 11 to its original position, the piston of the cylinder 48 rises, and the cam shaft 15 of the chuck 16 and the cam 30. And the sheet 100 is gripped. The stopper 7 moves up when the photoelectric tube 9 projects light, and stops the containers that are sequentially conveyed.

As shown in FIGS. 12 and 13, the handle rotating means a is provided on the outlet side of the stoppers 7 on both sides of the container conveying conveyor 6 below the sheet feeding device, and FIG. It is the figure which looked at the side. Reference numeral 78 is a side frame of the conveyor 6, and 79 is the side frame 78.
Cross frame, 80 is the conveyor chain receiver attached to the cross frame 79, and 81 is the container 10
A pair of conveyor chains for transporting the conveyor belt 82 is a bracket attached to the conveyor side frame 78, and the cylinder 74 with a guide is attached so that its piston rod and guide shaft are horizontal at a right angle to the conveyor traveling direction. A rotary actuator 75 is attached to the movable portion of the guide cylinder 74 such that its rotation axis is parallel to the traveling direction of the conveyor and horizontal. Reference numeral 76 is a lever fixed to the rotary shaft, and 77 is a handle rotating pin fixed to the tip thereof.

In FIGS. 12 and 13A, the piston rod of the cylinder 74 with a guide is pushed out, and the rotary actuator 75 comes out toward the center of the width of the conveyor 6 to a position where the container 10 is stopped, and the pin 77 is released. The figure shows a state of waiting at a position where the container 10 arrives inside the handle 73 (center side of the conveyor). FIG.
2 and FIG. 13B, the sheet 100 is supplied,
The pressing metal fitting 34, which is a tensioning means, pushes the sheet 100 into the inside of the container 10, the pressing metal fitting 34 has finished rising, and the handle 73 is in a state immediately before being rotated above the container 10. 12 (C), the rotary actuator 75 is rotated by 270 °, the pin 77 causes the handle 73 to be rotated above the container 10, and the handle 73 is moved to the upper surface of the long side portion of the container 10. The remaining seats 1 are stored in the receiving groove 10M on both sides of the container.
00 is sandwiched between the upper surface of the container 10 and the handle 73.

Although the embodiments have been described above, the shapes of the sheet gripping means, the sheet sandwiching means, the sheet tensioning means, and the sheet cutting means may be appropriately selected within the scope of the gist of the present invention. Needless to say. It is also possible to use spherically rounded bottoms of the four corners or to use a low friction material so as not to damage the seat as the holding metal fitting as the seat tensioning means. In addition, in order to facilitate pressing the sheet inside the container quickly and securely by the weight of the holding metal fitting,
Small holes may be formed in the corner bottoms, and air may be discharged from these small holes. If necessary, it is possible to expose a suitable suction device to the back surface of these small holes and activate the suction device at the same time when the sheet is dropped inside the container by the holding metal fitting.

[0018]

As described in detail above, according to the present invention, one end of a rolled sheet is mechanically gripped by the gripping means and pulled out to a predetermined position, and when the drawing of the sheet is completed, the sheet roll is rolled. While the sheet is clamped by the clamping means on the side, the sheet is tensioned toward the inside of the container by the self-weight of the tensioning means that is slackened and then the sheet is immediately after the clamping means. Since the holding means is opened at the same time as cutting the sheet substantially at a right angle to the drawing direction and the suspended tensioning means drops the slack to push the sheet into the container, when the sheet is cut, Tension acts on the sheet due to the self-weight of the pressing metal fitting, which is a tensioning means, and at the moment when the cutting means such as heated nichrome wire is applied to the sheet. Disconnection is fast and reliable and easily cut. Moreover, at the same time as this cutting, the sheet is pressed against the inside of the container quickly and reliably by the self-weight of the pressing metal fitting which is the tensioning means. Then, after the sheet is cut, the handles attached to both sides of the container are rotated upwards of the container, and the excess sheets on both sides of the container are pinched by the upper surface of the container and the handle. Since the handle and the sheet are not located on both sides of the container when the sheet is conveyed downstream on the conveyor, the sheet can be conveyed smoothly without any hindrance, and the edge of the sheet is clean without being contaminated. Further, the sheet is easily gripped when the sheet is covered with food such as cooked rice after the rice filling operation in the next processing step or the like. Moreover, the container located immediately above can be grasped as it is, and the container can be transported immediately, so that extremely quick work can be realized.

[Brief description of drawings]

FIG. 1 is an operation explanatory diagram of a sheet feeding apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing a layout of a cooked rice loading device using a sheet feeding device according to an embodiment of the present invention.

FIG. 3 is a diagram showing an example of a container used in the sheet feeding apparatus of the present invention.

FIG. 4 is a view of the sheet feeding device according to the embodiment of the present invention as viewed from the sheet pull-out direction.

5 is a view on arrow A in FIG. 4. FIG.

FIG. 6 is a detailed explanatory diagram of a chuck as a gripping unit used in the sheet feeding apparatus of the present invention.

7 is a cross-sectional view taken along line CC of FIG.

8 is a cross-sectional view taken along the line FF of FIG. 5, showing a holding means and a cutting means.

9 is a view on arrow D of FIG.

10 is a cross-sectional view taken along the line EE of FIG. 8, showing the position of the nichrome wire as the cutting means.

FIG. 11 is a view on arrow B in FIG.

FIG. 12 is an operation explanatory diagram of the handle rotation device in the sheet supply device according to the embodiment of the present invention.

FIG. 13 is a view taken in the direction of arrow F in FIG.

[Explanation of symbols]

 1 Sheet Roll 6 Conveyor 10 Container 16 Chuck (Gripping Means) 34 Holding Metal (Tensioning Means) 35 Chain 54 Sheet Holding (Clamping Means) 65 Nichrome Wire (Cutting Means) 72 Cradle (Clamping Means) 73 Handle 100 Sheets

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] July 21, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0002

[Correction method] Change

[Correction content]

[0002]

2. Description of the Related Art In a bento and nigiri rice manufacturing plant, it is necessary to cook rice in a short time to perform various processing and packing in a lunch box. Therefore, the cooked rice is stored in a container and stored. , Was transported to the processing plant. However, when these cooked rice and the like were directly stored in the container and stored, the paste-like material stuck to the inside of the container, which required time and effort for cleaning. Further, when the containers are stacked, dust on the lower surface of the upper container may fall inside the container immediately below. For this reason, a plastic film-like sheet is laid inside the container, the rice is stored on the sheet, wrapped with sheets at the remaining edges on both sides of the container, the containers are stacked and stored or transported to a processing plant. Was there. However, the work process of laying a sheet inside such a container has not been conventionally automated, and a long sheet perforated at appropriate intervals is cut and supplied onto the container. The sheets were pressed with fingers to fit inside the container and laid, and this was supplied below the outlet of the cooked rice cooling conveyor. It took a lot of manual labor and a lot of time to fit the sheet by pressing it to the inner corner of the container.
Further, as an recently developed automatic machine, a sheet is pulled out by a gripping means onto a container that is intermittently sent under the outlet of a rice cooling conveyor, and the sheet is
Cut the sheet, open the gripping means, and manually place the sheet on the container.
There is one configured so that cooked rice can be dropped after being pushed .

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0003

[Correction method] Change

[Correction content]

[0003]

[SUMMARY OF THE INVENTION] However, in order to reliably cut the thus sheet over bets had to tensioning giving tension to the sheet. For this reason, it takes more time, and it is inconvenient because the containers are continuously exchanged or the sheets are not supplied to the containers intermittently for continuously supplied cooked rice. Also, cooked rice
The cooling conveyor must be carefully washed with water after the work is completed.
However, it was inconvenient to install the mechanical part under it.
Therefore, the present invention solves the problems of the conventional device described above, and not only is the cutting of the sheet quick, reliable, and easy, but it is also possible to press the sheet inside the container quickly and reliably and automatically supply it. Provided is a sheet feeding device which is made possible.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction content]

[0004]

Therefore, according to the present invention, in a sheet supply method for supplying a sheet laid inside a food storage container, one end of a rolled sheet is mechanically gripped by a gripping means. drawer to a predetermined position and, while held by clamping means the sheet at the sheet roll side when the drawer completion of the sheet, may arise from sagging
After tensioning the sheet toward the inside of the container by the self-weight of the tensioning means, the sheet is cut almost at right angles to the pull-out direction and the gripping means is opened immediately after the clamping means. , By which the sheet is pushed into the container by dropping the slack of the hanging portion caused in the suspended tensioning means,
This is a means for solving the problem. Further, the present invention is a sheet supply device for supplying a sheet laid inside a food storage container, a grasping means for mechanically grasping one end of a rolled sheet and pulling it out to a predetermined position, and completion of sheet withdrawal. Sometimes the sheet roll side holds the sheet, the sheet holding means holds the sheet, the tensioning means is hung to allow the sheet to be tensioned toward the inside of the container by its own weight, and the sheet is placed immediately after the sheet holding means. And a releasing means for releasing the gripping means at the same time when the sheet is cut by the cutting means, and means for solving the problem. It is what Further, according to the present invention, after the sheet is cut by the cutting means, the handles attached to both sides of the container are pivoted to the upper side of the container, so that the excess sheets on both sides of the container and the upper surface of the container are grasped. so as to held between, co
The sheet touches the guides etc.
The present invention is characterized in that the handle turning means is provided so as not to move .

[Procedure correction 6]

[Document name to be amended] Statement

[Name of item to be corrected] 0005

[Correction method] Change

[Correction content]

[0005]

Operation: One end of the sheet 100, which is the starting end of the sheet roll 1 in which a sheet of plastic film or the like is wound into a roll, is mechanically grasped by the chuck 16 as the grasping means and pulled out to a predetermined position, and the withdrawal of the sheet 100 is completed. wherein the at while nipping at the sheet roll 1 side by the clamping means comprising the sheet 100 from the sheet retainer 54 and the pedestal 72, the own weight of the pressing fixture 34 is suspended Do the tensioning means by a chain 35 as causing sagging sheet After tensioning 100 towards the inside of container 10,
Nichrome wire 65 heated immediately after the holding means
The sheet 100 is cut at a substantially right angle with respect to the pull-out direction, and at the same time, the chuck 16 which is the gripping means is opened, and the holding metal fitting 34 which is the suspended tensioning means drops the slack so that the sheet 100 is cut. It is adapted to be pushed into the container 10. further,
After the sheet 100 is cut by the cutting means, the handles 73 hanging on both sides of the container 10 are rotated above the container 10 so that the container 10 is rotated.
The surplus sheets 100 on both sides of the container are sandwiched between the upper surface of the container 10 and the grip 73. As a result, when the sheet 100 is cut, tension is applied to the sheet 100 in the pull-out direction due to the weight of the pressing metal fitting 34, which is a tensioning means, and the heated nichrome wire 65 is applied to the sheet 1.
The cutting is quick, reliable and easy at the moment of hitting on 00. Moreover, at the same time as this cutting, the sheet 100 moves the sheet 100 into the container 1 due to the weight of the pressing metal fitting 34 which is a tensioning means.
It is pressed inside the 0 quickly and reliably. Then, after the sheet 100 is cut, the handles 73 hanging on both sides of the container 10 are rotated upwards of the container, and the excess sheets 100 on both sides of the container 10 and the handle 73 are held. Since the grip 73 and the sheet 100 are not located on both sides of the container 10 when the container 10 is conveyed downstream on the conveyor, the conveyance is smooth without causing any trouble and the edge portion of the sheet 100 is It is clean without getting dirty.

[Procedure Amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

In FIG. 2, an empty container is conveyed on a conveyer conveyor, and after a sheet is supplied by a sheet supply device, it is transferred to the lower part of the outlet of the cooked rice cooling conveyor to store a predetermined amount of cooked rice. It shows an example of a layout up to a downstream processing step. From the left side of the drawing, the empty container 1 by the conveyor 6A as shown by the arrow.
0A is successively conveyed to the sheet feeding device. The container 10A is stopped by a stopper in front of the sheet feeding device and waits in order. The sheet feeding device pulls out the sheet 100 in the direction orthogonal to the flow direction of the conveyor 6A as indicated by the white arrow, and hangs the sheet on the container as described above. Then, the container 10B on which the sheets are laid is transferred to the conveyor 6B orthogonal to the conveyor 6A, and the rice cooling conveyor 6 orthogonal to the conveyor 6B.
It reaches the lower part of the exit of C, and the rice is dropped and stored while waiting for the turn by the stopper 7. Next, the container 10C containing the cooked rice reaches the processing step further downstream on the conveyor 6B.

[Procedure Amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

FIG. 3 shows a container 1 used in this embodiment.
The four side walls of the container 10 are formed by a pair of opposing long side portions 10L and a pair of opposing short side portions 10S, and a handle 73 should be hung on the short side portion 10S. /> axis receiving portion 73A is provided, the end of the handle 73 turnably
keeping.

[Procedure Amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction content]

In FIGS. 4 to 7, reference numeral 11 denotes a mounting frame for a chuck 16 as a holding means, and four rollers 13 are provided.
It is movably held by the left and right guide frames 12. Reference numeral 14 is a bearing that rotatably holds the cam shaft 15 of the chuck 16 attached to the attachment frame 11. Reference numeral 16 is a chuck 16 as a gripping means for holding the leading end of the sheet 100, and details are shown in FIGS.
Shown in Reference numeral 17 denotes a drive shaft of a traveling drive chain 18 of the chuck mounting frame 11, which is rotatably held by a bearing unit 23 and includes two drive chain wheels 19 and one power transmission sprocket 2.
0 is keyed. Reference numeral 24 is a brake geared motor for driving and driving the chuck mounting frame 11, which rotates the chain wheel 20 through the chain wheel 21 and the chain 22. The two chains 18 are suspended by a drive chain wheel 19 and a take-up chain wheel 19 ', and both ends thereof are fixed to both sides of the chuck mounting frame 11. In FIG.
Reference numeral 27 is a bracket for holding the chuck 16, and a pin 25 which is a main shaft of the chuck 16 is inserted and bolted to the mounting frame 11. The pin 25 is rotatably held by a bush 26 press-fitted into the holes of two metal fittings 32 welded to one chuck plate 31, and the other pin is inserted into the hole of the metal fitting 33 welded to the chuck plate 31. It is fixed with a set bolt. As shown in FIG. 6 (A), when the cam shaft 15 rotates and both convex portions of the cam 30 fixed to the cam shaft 15 spread the chuck plate 31, the tip of the chuck plate is closed and the bonded rubber 29 is used. When the cam shaft 15 is rotated so that the leading end of the sheet 100 is gripped by and the flat portion of the cam 30 contacts the chuck plate 31, the spring 28
Thereby, the chuck plate 31 is opened and the chuck 16 is removed. The above-mentioned sheet chuck device is an air chuck.
Etc. may be replaced.

[Procedure Amendment 10]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

4, 5, and 11, 34 is a holding metal fitting as a tensioning means for pushing the sheet 100 into the inside of the container 10, 35 is four chains for suspending the metal fitting, and 36 is two chains on one side. The two chain wheels that suspend the
It is rotatably held by. Reference numeral 40 denotes two chain wheels that suspend two other chains on one side, and are rotatably held by bearings 38 fixed to a shaft 39 and attached to a frame 85 . 42 is a frame
The chain wheel is rotatably held by a shaft 41 fixed to 85 . 4 suspending the metal fittings 34
The chains of the book are suspended on chain wheels 36, 42 and 40, 42, respectively, and are attached to a tip fitting 43 of a cylinder 44 with a guide so as to be adjustable in length. As a result, when the piston of the cylinder with a guide 44 moves forward, the holding metal fitting 34 descends, and when it retracts, it rises .
Reference numeral 45 is a lever fixed to one end of the cam shaft 15, and although not shown because it is the back side of 47, 47 'in FIG. 5, a pin 46 is fixed to one end of the lever. The lever 47 is mounted on the frame 4 so that the chuck mounting frame 11 is on the same axis as the cam shaft 15 at the position where the chuck mounting frame 11 grips the sheet 100.
A knuckle 50, which is rotatably attached to a shaft 49 that is fixed to the knuckle and has one end screwed to a piston rod of a cylinder 48, is pinned by a pin 51. The head side of the cylinder 48 is formed as a single clevis, and is pinned by a pin 53 inserted into a hole of a frog or metal fitting 52 welded to the frame. When the piston rod of the cylinder 48 extends upward, the lever 47 rotates in the direction of the arrow, and the lever 4
5 Therefore, the cam shaft 15 is also rotated in the same direction to rotate the cam 30.
Since the sheet is rotated, the state shown in FIG. Even if the piston rod of the cylinder 48 returns to its original position, the cam 30 is at the dead point and the chuck 16
Keeps gripping the sheet. And the container 10 is conveyed in front of the stopper 7, when shielded phototube 9, increased sheet presser 54 is driven brake geared motor 24, rotated the chain wheel 19, the chuck mounting frame 11 and the mounting et Re thereto The chuck 16 moves leftward in FIG. 5 and stops while holding the sheet 100.

[Procedure Amendment 11]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

As shown in FIG. 4, when the container 10 arrives in front of the stopper 7 and the photocell 9 is shielded while the sheet 100 is grasped at the position where the chuck 16 grasps the sheet, the sheet holders on both sides are raised and lowered. Compressed air enters the lower side of the cylinder 55 and raises the sheet retainer 54. After rising, the chuck mounting frame 11 moves to the left in FIG. 5 while holding the sheet 100 by the chuck 16, stops at a predetermined position, and the sheet retainer 54 descends to clamp the sheet 100. When the piston of the cylinder 44 with a guide moves forward and the holding metal fitting 34 as the tensioning means descends, the seat 100 is tensioned, and then the pistons of the two nichrome wire lifting cylinders 62 on the left and right are lowered.
The sheet 100 is immediately cut by the heat of the nichrome wire 65. Approximately 'raised the piston, the lever 47' cylinder 48 in FIG. 5 simultaneously lever in, FIG 47
Therefore, the cam shaft 15 and the cam 30 are rotated in the direction of the arrow to open the chuck 16, and the state shown in FIG.
The holding metal fitting 34 descends by the amount of slack of the chain and pushes the sheet 100 into the inner bottom portion of the container 10 quickly and reliably. After the holding metal fitting 34 is raised to its original position, as shown in FIG.
The handle 73 is raised above the container 10 by the method shown in FIG. 13 to clamp the excess sheets 100 on both sides of the container 10 between the upper surface of the container 10 and the handle 73, and then the stopper 7
And the container 10 is discharged to discharge the container 10, the brake geared motor 24 rotates in the opposite direction to return the chuck mounting frame 11 to its original position, the piston of the cylinder 48 rises, and the cam shaft 15 of the chuck 16 and the cam 30. And the sheet 100 is gripped. The stopper 7 moves up when the photoelectric tube 9 projects light, and stops the containers that are sequentially conveyed.

[Procedure Amendment 12]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction content]

[0018]

As described in detail above, according to the present invention, one end of a rolled sheet is mechanically gripped by the gripping means and pulled out to a predetermined position, and when the drawing of the sheet is completed, the sheet roll is rolled. while clamped by clamping means the sheet at the side, after tension toward the sheet inside the container by the weight of the suspended Do the tensioning means as produce slack, the seat at immediately after the clamping means At the same time as cutting the sheet at a substantially right angle to the drawing direction, the gripping means is opened, and the suspended tensioning means drops the slack to push the sheet into the container. Tension acts on the sheet in the pull-out direction due to the weight of the holding metal fitting, which is a means, and a cutting means such as a heated nichrome wire is applied to the sheet. Cut while is quickly and reliably and easily cut. Moreover, at the same time as this cutting, the sheet is pressed against the inside of the container quickly and reliably by the self-weight of the pressing metal fitting which is the tensioning means. Then, after the sheet is cut, the handles attached to both sides of the container are rotated upwards of the container, and the excess sheets on both sides of the container are pinched by the upper surface of the container and the handle. Since the handle and the sheet are not located on both sides of the container when the sheet is conveyed downstream on the conveyor, the sheet can be conveyed smoothly without any hindrance, and the edge of the sheet is clean without being contaminated. Further, the sheet is easily gripped when the sheet is covered with food such as cooked rice after the rice filling operation in the next processing step or the like. Moreover, the container located immediately above can be grasped as it is, and the container can be transported immediately, so that extremely quick work can be realized.

[Procedure Amendment 13]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 4

[Correction method] Change

[Correction content]

[Figure 4]

[Procedure Amendment 14]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 7

[Correction method] Change

[Correction content]

[Figure 7]

Claims (3)

[Claims] 1. A sheet supply method for supplying a sheet to be laid inside a food storage container, wherein one end of the rolled sheet is mechanically grasped by a grasping means and pulled out to a predetermined position, and the sheet is withdrawn. At the time of completion, while sandwiching the sheet by the sandwiching means on the side of the sheet roll, after tensioning the sheet toward the inside of the container by the self-weight of the tensioning means suspended with slack, immediately after the sandwiching means The sheet is characterized in that the sheet is cut substantially at right angles to the drawing direction at the same time that the gripping means is opened, and the suspended tensioning means drops the slack to push the sheet into the container. Supply method. 2. A sheet supply device for supplying a sheet to be laid inside a food storage container, and a gripping means for mechanically gripping one end of the rolled sheet and pulling it out to a predetermined position, and completion of pulling out the sheet. Sometimes the sheet roll side holds the sheet, the sheet holding means holds the sheet, the tensioning means is hung to allow the sheet to be tensioned toward the inside of the container by its own weight, and the sheet is placed immediately after the sheet holding means. A sheet feeding device comprising: a cutting means for cutting the sheet substantially at a right angle to the drawing direction; and an opening means for opening the gripping means at the same time when the sheet is cut by the cutting means. 3. After cutting the sheet by the cutting means, a handle pivoted on both sides of the container is rotated upward of the container so that the excess sheets on both sides of the container and the upper surface of the container are grasped. 3. A handle rotating means is provided so as to be clamped by and.
The sheet feeding apparatus according to item 1.