JP3217441B2 - Film folding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film folding apparatus for wide films, and more particularly to a film folding apparatus at the end of a wide film forming process used for cultivation of a covering facility in agriculture.

[0002]

2. Description of the Related Art Generally, a wide film is manufactured in a continuous process. After a desired material is formed into a desired thickness by inflation molding or the like, the film is formed into a predetermined width, for example, a width of 2 to 4 m ( The sheet is cut into a long cylindrical column by winding a predetermined length around a cylindrical paper tube or the like having a length equal to or greater than the film width corresponding to the width .

[0003]

However, in the above-described conventional long cylindrical columnar shape of a wide film, pallet stacking generally used at the time of physical distribution cannot be adopted, and a special transport jig is used. There was a problem that required tools. Also, when storing in a warehouse, etc.,
There has been a problem that a storage form different from a general product must be applied, workability is inferior, and a lot of labor is required for management.

[0004] The present invention has been made in view of these points, and overcomes the above-described problems in the conventional art.
It is an object of the present invention to provide a film folding apparatus capable of automatically forming a wide film into a form suitable for distribution and storage.

[0005]

In order to achieve the above-mentioned object, a film folding apparatus according to the present invention comprises a transport mechanism for transporting a wide film which is thickly folded in a sentence, and a transport mechanism for transporting the wide film transported by the transport mechanism. A position detecting means for detecting a position, and a folding mechanism including a folding roll and a holding plate for storing the wide film in a storage container and folding at least in a direction orthogonal to the folds of the sentence folding. It is characterized by having.

[0006]

According to the film folding apparatus of the present invention having the above-described structure, the wide film that has been thickly folded in the sentence is stored in the storage container, and at least the direction perpendicular to the fold of the sentence fold. The wide film can be folded and stored in a rectangular shape with a smaller projected area, so that it can be packed in a box-shaped container such as cardboard. The disadvantage of having to form can be eliminated.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIGS. 1 to 3 show one embodiment of a film folding apparatus according to the present invention. FIG. 1 is a plan view showing a main part of the present embodiment, and FIG. 2 shows a main part. FIG. 3 is a side view, and FIG. 3 is a front view showing a main part.

As shown in FIGS. 1 to 3, the film folding apparatus 1 according to the present embodiment is connected to a supply conveyor 2 shown by a two-dot chain line in FIG. A conveyor mechanism 4 is provided on the upper surface of the film folding device 1 as a transport mechanism so as to be able to transport the transversally folded wide film 3 in the traveling direction indicated by the arrow A in the figure.

The conveyor mechanism 4 will be further described. A pair of conveyor rolls 5a and 5b provided in parallel with an appropriate interval in a direction perpendicular to the running direction of the wide film 3 are rotatable on an appropriate frame. It is arranged in. In this embodiment, one of the conveyor rolls 5 disposed on the far side with respect to the supply conveyor 2
a is the driving side, and the pulleys 6, 6 ... and the belts 6a,
Are connected to a desired driving device such as a motor 8 via a driving shaft 7 by a suitable driving force transmitting means such as 6a..., And driven by a suitable control device (not shown).
The other conveyor roll 5b disposed in the vicinity of the supply conveyor 2 is driven. Also,
Conveyor belts 9a and 9b having a desired width are wound around both end sides of the two conveyor rolls 5a and 5b, respectively.
A pair of first conveyors 10a and 10b are formed. The working surfaces 11a and 11b of the upper surfaces of the first conveyors 10a and 10b have the same height in a normal use state.

A pair of rotatable guide rolls 12a, 12b are provided at desired intervals between the conveyor belts 9a, 9b of the first conveyors 10a, 10b.
Are arranged parallel to the traveling direction of the wide film 3 and close to the respective conveyor belts 9a and 9b. The upper surfaces of the guide rolls 12a and 12b have the same height and are slightly lower than the work surfaces 11a and 11b.

Further, each of the guide rolls 12a, 12b
In between, it was made to open downward from 1
A pair of opening / closing roll groups 13 a and 13 b are provided orthogonal to the traveling direction A of the wide film 3. The opening / closing roll groups 13a, 13b are provided with the conveyor rolls 5a,
5b, main rolls 14a and 14b provided in proximity to
A plurality of, in this embodiment, three sub-rolls 15 are disposed in parallel and rotatably at appropriate intervals on appropriate side frames 16 on both sides in the axial direction, and are integrally formed. Is formed. And the main rolls 14a, 1
4b and each sub-roll 15 are independently rotated and driven by appropriate driving means such as a motor roll (not shown), and are synchronized with the traveling of the first conveyors 10a and 10b by appropriate control means (not shown). Driven. The main rolls 14a and 14b and each sub roll 1
In the transport state of the wide film 3, each of the upper surfaces 5 has the same height, and has the same height as the work surfaces 11a, 11b of the first conveyors 10a, 10b. Further, each side frame 16 is rotatable around each main roll 14a and each main roll 14b, as shown by a double-headed arrow B in FIG. As shown in the figure, a reciprocating cylinder 17 whose base end is swingably mounted on an appropriate frame (not shown) and a rod 18 thereof are formed so as to be rotated.

As shown in FIG. 2, the position of the wide film 3 supplied from the supply conveyor 2 is detected at an appropriate position on the downstream side in the traveling direction of the wide film 3 of the conveyor mechanism 4. As a position detecting means, a contact type sensor such as a limit switch 20 is disposed on a suitable frame (not shown) via a suitable stop plate 19. This position detecting means may be any as long as it can detect at least the position of the leading end of the wide film 3 in the traveling direction.
Various contact-type sensors and non-contact-type sensors (various optical sensors such as optical switches) may be used, and the present invention is not particularly limited to this embodiment. Further, the position where the position detecting means is installed can be changed according to the specification, and is not particularly limited to the present embodiment.

Below the first conveyors 10a and 10b and the opening and closing roll groups 13a and 13b, as shown in FIG. 3, a plurality of, in this embodiment, three The second conveyor 22 is disposed in a direction orthogonal to the traveling direction of the wide film 3, and includes a carry-in conveyor 22a, a folding conveyor 22b, and a carry-out conveyor 22c in order from the left side in the figure. The second conveyor 22 only needs to have the folding conveyor 22b disposed below the opening and closing roll groups 13a, 13b.
The installation order, installation direction, number of installations, and the like of the conveyor 22 can be changed according to specifications, and are not particularly limited to the present embodiment. And this second conveyor 2
2 can be conveyed with the opening 24 of a desired storage container 23 such as a box-shaped cardboard or container facing upward.

As shown in FIG. 3, the first conveyors 10a and 10b above the upper end of the
At a position intermediate with the conveyor 22, a pair of film folding means 25 forming a part of a folding mechanism of the wide film 3 is provided.
a and 25b are arranged facing each other. The film folding means 25a and 25b are composed of an appropriate actuator 26 such as a screw mechanism propulsion device with a motor fixed to an appropriate frame (not shown) and a rod 2 of the actuator 26.
7 and a folding means 28 which can be moved forward and backward. In the folding means 28, a suitable drive motor 29 and a folding roll 30 are disposed on a desired support member 31, and a predetermined pulley 32 is fixed to the driving motor 29 and the folding roll 30, respectively. Further, each pulley 32 is wound with a suitable driving force transmitting means such as a belt 33, and is configured to transmit the rotation force of the driving motor 29 to the folding roll 30 so that the rotation force can be controlled by a desired control device (not shown). ing.

As shown in FIG. 3, a film pressing means 34 which forms a part of a folding mechanism for the wide film 3 is disposed above the opening and closing roll groups 13a and 13b. The film holding means 34 is formed by a first film holder 35 and second film holders 36 on both sides of the first film holder 35.

The first film retainer 35 is formed by fixing a flat plate-like retainer plate 39 of a desired size to a lower end of a downward rod 38 of an appropriate reciprocating cylinder 37, and a suitable frame (not shown). Are located in The pressing plate 39 is located above the opening and closing roll groups 13a and 13b in a normal use state, and is driven by a reciprocating cylinder 37 during the folding operation of the wide film 3 to open and close the opening and closing rolls. Roll group 13a, 1
Through the opening created when 3b is opened downward,
The second conveyor 22 can be freely contacted and separated from the upper surface of the folding conveyor 22b. Further, the size of the pressing plate 39 may be changed according to the size of the folded planar shape of the wide film 3.

The second film retainer 36 is formed by an appropriate reciprocating cylinder 40 and film brake means 42 connected to the lower end of a downward rod 41 of the reciprocating cylinder 40. The film brake means 42 is provided with a brake roll 44 rotatable on a suitable support member 43 and a powder brake 45 for applying a braking force to the brake roll 44.
The brake roll 44 and the powder brake 45 are attached to appropriate pulleys 46 provided on the respective belts 4.
An appropriate transmission means such as 7 is mounted so that the braking force can be transmitted. In addition, each brake roll 4
The reciprocating cylinders 40 and 40 drive the reciprocating cylinders 40 and 40 to contact the upper surfaces of the guide rolls 12a and 12b, respectively. It is supposed to be detachable.

The film folding means 25a, 2
5b and the film holding means 34 constitute a folding mechanism 48 for the wide film 3 as a whole.

The film folding apparatus 1 is controlled and operated by an appropriate control device (not shown).

Incidentally, the film folding apparatus 1 of the present embodiment
The wide film 3 which has been subjected to the sentence folding is supplied to a sheet folding machine 50 as shown in FIG. This translucent folding machine 50 will be described with reference to FIG. 4. The sheet-like wide film 3a is spread by a dancer roll 52 provided on the upper side of a frame 51 formed in a suitable substantially rectangular shape in the traveling direction, and the film shown in FIG. Arrow D from left to right
The vehicle is driven in the direction indicated by. Then, a pair of intermediate rolls 53 provided at the center of the beam at the upper end of the frame 51
a and 53b allow the sheet to be sent downward in the figure as indicated by arrow E. Then, the intermediate rolls 53a, 53b
A suitable pulley 55 is attached to the intermediate roll 53a on the left side in FIG.
Is fixed.

The intermediate roll 53 of the frame 51
A drive motor 54 is provided to the left of a and 53b, and a powder clutch 57 to which an appropriate pulley 56 is fixed is mounted on the drive motor 54. A desired belt 58 is wound around a pulley 56 provided on the powder clutch 57 and a pulley 55 provided on the intermediate roll 53a.

A swing mechanism 59 for the sheet-like wide film 3a is provided below the upper beam of the frame 51 provided with the intermediate rolls 53a and 53b. The swing mechanism 59 is suspended and supported by an appropriate support base 60 fixed to the lower surface of the upper beam portion of the frame 51. A rotation shaft 62 is pivotally attached to the support base 60, and an intermediate pulley 61 is rotatably mounted on the rotation shaft 62, and a swing frame 63 is fixed to the rotation shaft 62. A pair of pinch rollers 64a and 64b are provided at the tip of the swing frame 63 by fixing a desired pulley (not shown) to one of the pinch rollers 64a. The pair of pinch rollers 64a, 64b
Are in contact with a desired contact force so that the sheet-like wide film 3a can be held therebetween. Further, appropriate tensioners 65, 65 are provided on the left and right of the intermediate portion of the swing frame 63. A desired belt 66 is wound around the intermediate pulley 61 and the pulley 56 provided on the powder clutch 57. Further, the tensioners 65 and 6 are attached to the intermediate pulley 61 and a pulley (not shown) fixed to the pinch roller 64a.
5, a desired belt 67 is wound. Also,
At an appropriate position of the swing frame 63, a gear motor 68 is disposed with its rotating shaft 69 directed downward. A male screw is formed on the outer periphery of the rotating shaft 69.

An appropriate support member 71 is fixed to the left side of the frame 51. A support shaft 72 is pivotally mounted on the support member 71, and a pulley 74 is mounted on the support shaft 72.
Are rotatably mounted, and the pinion 73 is fixed. A rack is mounted above the pinion in a meshing state, and the rack is swingable. Further, a female screw is provided at one end of the rack 70, and the rotation shaft 6 of the gear motor 68 is provided.
9 is screwed with a male screw.

Also, below the swing mechanism 59,
A conveyor 75 fixed to a support frame (not shown) is provided below the swing mechanism 59 at an appropriate interval in a predetermined unloading direction. At both ends of the conveyor 75, film holding arms 76 having appropriate shapes are provided. The film holding arms 76 are fixed to support shafts 77 rotatably provided on an appropriate frame (not shown) so as to be rotatable. Further, stopper cams 78, 78 are fixed to the support shafts 77, 77. The stopper cams 78, 78 are formed with protrusions 79, 79 having an appropriate shape, and a desired stopper member (not shown) is engaged with the protrusions 79, 79. A roller 80 is provided at an appropriate position of the film holding arm 76.
Is provided. At an appropriate position below the roller 80, an eccentric cam 81 is fixedly mounted on a rotation support shaft 82 provided on an appropriate frame (not shown). Further, a pulley 83 is fixed to the rotation support shafts 82 to which the eccentric cam 81 is fixed. Then, pulleys 83 provided on the pivot shafts 82, 82,
A suitable belt 84 is wound between 83. The pulley 83 on the left side in the figure is a two-stage pulley,
The output of an appropriate drive motor 85 disposed near the lower end of the frame 51 is connected to a relay pulley 86 disposed at the lower left in FIG.
, The rotational driving force is transmitted by desired belts 88a, 88b to which tension is applied by appropriate tensioners 87, 87.

The output of the drive motor 85 is also transmitted by a belt 89 to a pulley 74 for driving the rack 70 via a relay pulley 86. In addition, a known film cutting mechanism (not shown) is provided at an appropriate position in the running direction of the sheet-like wide film 3a so as to cut the sheet-like wide film 3a to a desired length. .

On the right side of the conveyor 75 in the figure,
An appropriate carry-out conveyor 90 is arranged so that the wide film 3 that has been folded so that it can be conveyed in the direction indicated by the arrow E in the figure. Further, the transliteration folding machine 50 is controlled and operated by an appropriate control device (not shown).

It is to be noted that the translucent folding machine 50 and the film folding apparatus 1 are connected by an appropriate transfer means so that the translucent folding and folding of the sheet-like wide film 3a are continuously performed to reduce the intermediate stock. Although desirable in the sense, the translucent folding and folding of the sheet-like wide film 3a can be performed separately. The connection relationship between the transliteration folding machine 50 and the film folding device 1 may be determined based on the installation space, economy, design concept, and the like.

Next, the operation of this embodiment having the above-described configuration will be described.

First, the operation of the transflector 50 of this embodiment will be described.

In the present embodiment, the sheet-like wide film 3a is made of a dancer roll 52 and intermediate rolls 53a, 5a.
3b and pinch rollers 64a and 64b. In this state, when a control device (not shown) is operated, a control command is issued from the control device to a desired device, and the transliteration folding machine 50 is driven. And frame 5
When the drive motor 85 provided near the lower end of 1 is operated,
The pinion 73 is rotated via the relay pulley 86 to rotate the rack 7.
0 moves. The rack 70 is moved right and left by rotating the drive motor 85 forward and backward. The movement of the rack 70 in the left-right direction causes the rack 70 to move.
The swing frame 63, to which a gear motor 68 screwed to one end is fixed, is swung with the rotation shaft 62 as a fulcrum as shown by an arrow G in a one-dot chain line in FIG. You will be swinging.

By driving the gear motor 68 fixed to the swing frame 63, the tip of the rack 70 screwed to the rotation shaft 69 of the gear motor 68 can be moved up and down. Thereby, the rack 7
By changing the connection point between the rack 70 and the rotating shaft 69 of the gear motor 68 in a state where the moving distance of 0 is fixed, the swing width of the swing mechanism 59 can be changed. Then, by making the swing width of the swing mechanism 59 variable, the left and right fold positions in the drawing of the sheet-like wide film 3a can always be the same position.

When the drive motor 54 provided on the upper part of the frame 51 is operated in a state where the swing mechanism 59 has started the traversing motion, the pinch rollers 64a and 64b provided on the lower end of the swing mechanism 59 are operated. Along with the traversing motion of the swing mechanism 59 described above, the sheet-like wide film 3a can be fed downward. Then, the sheet-like wide films 3a fed from the pinch rollers 64a and 64b are stacked on the conveyor 75 while being folded at a desired position in the left and right direction in the drawing.

When the sheet-like wide film 3a is folded back at a desired position on the conveyor 75, the leading end of one of the film pressing arms 76 is placed on the conveyor 75 like a film pressing arm 76 shown on the right in the figure. , And the sheet-like wide film 3a is sandwiched between the film holding arm 76 and the conveyor 75 to prevent the sheet-like wide film 3a from being dragged in the direction after folding. When the sheet-like wide film 3a reaches the folded position on the left side in the figure, the tip of the other film holding arm 76 shown on the left side in the figure falls on the conveyor 75, and the film on the right side in the figure The holding arm 76 is configured to jump up. The vertical movement of the film holding arm 76 is
By rotating the rotation support shaft 82 via a drive motor 85 provided below the frame 51, the rotation support shaft 82
The rotation is performed by rotating the eccentric cam 81 fixed to the. More specifically, when the eccentric cam 81 is rotated about the rotation support shaft 82, the roller 80 provided below the film holding arm 76 in contact with the outer periphery of the eccentric cam 81 rotates the eccentric cam 81. Move up and down,
The film holding arm 76 can also be moved up and down around the support shaft 77.

In this embodiment, the lowering of the film holding arm 76 utilizes a natural fall. Further, the eccentric cams 81, 81 provided on the left and right in the figure are arranged at vertically symmetric positions with respect to each other.

As described above, the eccentric cams 8 provided on the left and right in the figure
By arranging the upper and lower members 1 and 81 at symmetrical positions, the left and right film pressing arms 76 and 76 in the figure alternately move up and down to sandwich the folded portion of the sheet-like wide film 3a. Then, a sheet-shaped wide film 3 having a desired length is obtained by an appropriate sensor (not shown).
After a is fed out from the pinch rollers 64a and 64b, the sheet-like wide film 3a is cut at an appropriate position, and is subjected to transliteration. Then, the film holding arms 76, 76 are folded over the wide film 3
When the conveyor 75 and the unloading conveyor 90 are operated in synchronization with each other, the wide film 3 on which the sentence folding has been performed can be transferred onto the unloading conveyor 79.

Therefore, according to the translatory folding machine 50 of this embodiment, the sheet-like wide film 3a fed from the pinch rollers 64a, 64b has a desired width on the conveyer 75 along with the traversing motion. While gradually descending while moving to the left and right, the folded portion can be reliably held by the film holding arms 76, 76, so that the transliteration can be reliably performed.

Next, the operation of the film folding apparatus 1 of this embodiment will be described with reference to FIGS. 1 to 3 and FIGS. 5 to 8.

FIGS. 5 to 8 are explanatory views for explaining the operation of the folding mechanism of the wide film which has been subjected to the transversal folding.

First, a desired storage container 23 such as a cardboard and a container for storing the wide film 3 is mounted on the carry-in conveyor 22a of the second conveyor 22 with the opening 24 upward. Then, the second conveyor 22 is operated, and FIG.
As shown in (2), the storage container 23 is transferred to a predetermined position below the opening and closing roll groups 13a, 13b of the folding conveyor 22b, and after detecting that the storage container 23 is at the predetermined position by an appropriate sensor (not shown). Then, the second conveyor 22 is stopped.

Next, the wide film 3 which has been folded by the supply conveyor 2 is transferred onto the first conveyors 10a and 10b and the opening and closing roll groups 13a and 13b along the traveling direction indicated by the arrow A in FIG. Then, the leading end in the traveling direction of the wide film 3 comes into contact with the stop plate 19 shown in FIG. Then, the leading end position of the wide film 3 in the traveling direction is detected by the limit switch 20 via the stop plate 19, and the first conveyors 10a and 10b and the opening and closing roll groups 13a and 13b are controlled by a control command from a control unit (not shown).
Is stopped. The leading end and the trailing end of the wide film 3 in the traveling direction are set at predetermined positions between the main rolls 14a and 14b of the opening and closing rolls 13a and 13b.

Next, the reciprocating cylinder 40 of each of the second film retainers 36 at the initial position is operated, and each of the brake rolls 44, 44 is lowered toward the guide rolls 12a, 12b. 12a, 1
2b and the brake rolls 44, 44 by a desired contact force. At this time, the second film retainers 36, 36 arranged on the left and right in the upper part of FIG. 3 may or may not be interlocked, and may be determined according to the design concept.

Next, the reciprocating cylinder 37 of the first film presser 35 at the initial position is operated, and the presser plate 39 is lowered toward the opening and closing rolls 13a, 13b to open and close the wide film 3 with the presser plate 39. Roll group 13a, 13
b and is temporarily stopped by being pinched by a desired contact force.

The first film retainer 35 and the second
The operation sequence with the film holder 36 may be operated simultaneously, and may be determined according to the design concept.

Next, as shown in FIG. 2, the reciprocating cylinders 17, 17 are operated, and the rods 18, 18 are operated so as to be cut in the direction of arrow C in the figure, thereby opening and closing the roll groups 13a, 13b. 2 is rotated about the rotation axis of each of the main rolls 14a and 14b in the direction of arrow B in FIG.
As shown by the dashed line, the doors are opened downward. Then, in this state, the wide film 3 includes the guide rolls 12a and 12b and the brake rolls 44 and 44 as described above.
And the brake rolls 44, 4
4 provides a desired braking force. Therefore, the wide film 3 does not drop due to its own weight even when the opening / closing roll groups 13a and 13b are opened double.

Next, when the reciprocating cylinder 37 of the first film holder 35 is restarted to further lower the holding plate 39, the wide film 3 is lowered by the same amount as the lowering amount of the holding plate 39. It is pushed into the storage container 23. Then, as shown by a two-dot chain line in FIG.
The motor is stopped in a state where it comes into contact with a with a predetermined contact force.

Next, the pressing plate 39 is raised by the reciprocating cylinder 37 and returned to the initial position.

By the above operation, only the central portion of the wide film 3 excluding the both ends in the longitudinal direction parallel to the folds of the translucent folding is stored in the storage container 23.

Next, a description will be given of an operation of folding the both ends of the wide film 3 in the longitudinal direction parallel to the folds of the warp folding in the storage container 23. This operation is performed, as shown in FIG. 3, on the first conveyor 1 above the upper end position of the storage container 23.
0a, 10b and a pair of film folding means 25a, arranged at an intermediate position between the second conveyor 22 and facing each other.
25b.

Following the above-described operation, the actuator 26 of the film folding means 25a shown on the right side of FIG. 3 is operated to start the forward movement of the rod 27 (to the left in FIG. 3), When the folding roll 30 attached to the leading end is rotated at an appropriate rotation speed counterclockwise by the drive motor 29, the folding roll 30 of the film folding means 25a rotates counterclockwise as shown in FIG. The wide film 3 is folded. The folding roll 30 is rotated counterclockwise while rotating the wide film 3.
Can be reliably prevented from being moved to the left in the figure with the fold roll 30 traveling as the folding roll 30 advances. It is desirable that the rotation speed of the folding roll 30 be controlled by a suitable control device. Furthermore, the folding roll 30
Is advanced to a predetermined position as shown in FIG. 6, the right end side in the longitudinal direction of the wide film 3 can be folded. Then, after the folding roll 30 is advanced to a predetermined position, the rod 27 is retracted to return to the initial position.

Next, the holding plate 39 is lowered,
As shown in FIG. 7, after the folded wide film 3 is pressed by a predetermined contact force, the pressing plate 39 is raised to return to the initial position.

Next, when the other film folding means 25b is operated, the opposite side of the wide film 3 in the longitudinal direction, ie, the left side in FIG. 3, can be folded in the same manner as described above. Then, the holding plate 39 is lowered again, and FIG.
As shown in (2), after the folded wide film 3 is pressed by a predetermined contact force, the pressing plate 39 is raised to return to the initial position. Further, by operating the reciprocating cylinders 17, 17 shown in FIG. 2 and operating the rods 18, 18 in the direction opposite to the direction of arrow C in the figure, the opening / closing roll groups 13a, 13b are connected to the main rolls 14a, 14b. Rotating around the rotation axis in the direction opposite to the direction of arrow B in the figure,
It is returned to the initial position.

Next, after the storage container 23 is placed in a predetermined position of the carry-in conveyor 22a of the second conveyor 22 in the above-described state, when the second conveyor 22 is operated, the empty storage container 23 is placed in the folding conveyor 22b. While being transferred to the predetermined position, the storage container 23 storing the folded wide film 3 is transferred to a desired position by the unloading conveyor 22c.

Therefore, according to the film folding apparatus 1 of this embodiment, the transversally folded wide film 3 can be reliably inserted into the storage container 23 by the folding rolls 30 in the longitudinal direction of the wide film 3. The wide film 3 can be deformed during the folding operation, and the inconvenience of the fold being skewed can be prevented. Also,
The folded wide film 3 on the bottom portion 23a of the storage container 23 can be pressed by the pressing plate 39, so that the air interposed in the folded portion can be degassed to reduce the thickness.

Further, unlike the conventional case, since it can be formed in a rectangular shape having a small projected area, it can be stored in the storage container 23 such as a box-shaped cardboard or a container, and can be handled in the same manner as a general product. In addition, the inconvenience of having to use a special handling form in distribution and storage can be reliably removed.

It should be noted that the present invention is not limited to the above-described embodiment, and can be modified as needed.

[0057]

As described above, according to the film folding apparatus of the present invention, the wide film that has been subjected to the sentence folding can be formed as follows.
Since the storage container has a rectangular shape with a smaller projected area, it can be stored in a storage container such as a box-shaped cardboard, eliminating the inconvenience of requiring a special handling form in distribution and storage. It has an extremely excellent effect that it can be performed.

[Brief description of the drawings]

FIG. 1 is a plan view showing a main part of an embodiment of a film folding device according to the present invention.

FIG. 2 is a side view showing a main part of the film folding device of the present invention.

FIG. 3 is a front view showing a main part of the film folding device of the present invention.

FIG. 4 is a diagram showing a main part of a transflector for a wide film on which transliteration has been applied, which is applied to the film folding apparatus of the present invention.

FIG. 5 is a view for explaining the folding operation of the film folding device of the present invention.

FIG. 6 is a view similar to FIG. 5;

FIG. 7 is a view similar to FIG. 5;

FIG. 8 is a view similar to FIG. 5;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 film folding device 3 wide film having been subjected to sentence folding 4 conveyor mechanism 10 a, 10 b first conveyor 12 a, 12 b guide roll 13 a, 13 b opening / closing roll group 17 reciprocating cylinder 20 limit switch 22 second conveyor 22 a carry-in conveyor 22 b folding Conveyor 22c Unloading conveyor 23 Storage container 23a Bottom 25 Film folding means 26 Actuator 28 Folding means 29 Drive motor 30 Folding roll 35 First film press 36 Second film press 37 Reciprocating cylinder 39 Press plate 40 Reciprocating cylinder 42 Film brake means 44 Brake roll 45 Powder brake 48 Folding mechanism

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Minami Niimoto 6-10-29 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture Inside Tommy Machinery Co., Ltd. (72) Mizuho Mukoyoshi Tsunashima, Kohoku-ku, Yokohama, Kanagawa 6-6-10-29 Tomi Machine Industry Co., Ltd. (56) References JP-A-50-6477 (JP, A) JP-A-62-222972 (JP, A) Japanese Utility Model Showa 57-155148 (JP, U) 51-144596 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65H 45/14

Claims (1)

(57) [Claims] 1. A transfer mechanism for transferring a wide film that has been thickly folded and folded, position detecting means for detecting the position of the wide film transferred by the transfer mechanism, and storing the wide film in a storage container. , folded folding in a direction perpendicular to the folds of the folded least sutras b
A film folding device comprising: a folding mechanism having a folding mechanism and a holding plate .