JP5591672B2 - Pouch continuum folding device - Google Patents

Description

  For example, the present invention folds a sachet encapsulated sachet such as powder soup or silica gel as a desiccant or a sachet encapsulated lime or the like into a box in conjunction with a filling and packaging machine. The present invention relates to a folding device for a continuous bag.

  For example, as a folding device for a sachet continuous body that folds a sachet continuous body in which powders, desiccants and the like encapsulated sachets are continuous, a folding device for a sachet continuous body disclosed in Patent Document 1 is known.

  Hereinafter, the sachet continuous body folding apparatus disclosed in Patent Document 1 will be described with reference to FIG.

  FIG. 14 is a diagram showing a configuration of a folding device for a continuous pouch disclosed in Patent Document 1. As shown in FIG.

  As shown in FIG. 14, the sachet folding device includes a device body 101 in an upright state at a substantially central position, and a rectangular parallelepiped shaped storage box 102 is sent from the right side to the left side on the front side of the device body 101. A transfer table 103 is provided. Further, a reserve box 105 for temporarily storing the sachet continuous body 104 is provided on the right side of the apparatus main body 101.

  The sachet continuum 104 is sequentially transferred from the reserve box 105 to a first guide roller 137 provided above the right end of the box transfer table 103 and a second guide roller 138 provided at the upper end of the feed unit 109. It is wound and fed from above the front center of the feed unit 109.

  On the front surface of the feeding unit 109, on the upper side thereof, a third guide roller 141 for guiding the sachet continuous body 104 from the second guide roller 138 to run vertically downward at the approximate center of the feeding unit 109. Further, a feed roller 143 and a swing duct 144 are sequentially provided on the lower side thereof.

  The oscillating duct 144 performs an oscillating operation substantially along two axial directions orthogonal to each other in a horizontal plane by the Y-axis drive motor and the X-axis drive motor. Thereby, the continuous bag 104 is stored in the storage box 102 in a folded state.

  Hereinafter, the shape of the continuous bag 104 will be described.

  FIG. 15 is a view showing the shape of the continuous bag 104, FIG. 15 (a) is a front view showing the shape of the continuous bag 104, and FIG. 15 (b) shows the shape of the continuous bag 104. It is sectional drawing shown.

  As shown in FIG. 15, the sachet continuous body 104 is formed in a shape in which a plurality of sachets 104a are arranged in a row with a plurality of width w seal portions 104b interposed therebetween. And powdered soup.

Japanese Patent Laid-Open No. 7-251816 (released on October 3, 1995)

  However, since the conventional sachet folding device as described above drives the sachet continuous body by intermittent drive in order to feed it into the feeding unit 109, there is a problem that sagging of the sachet continuum tends to occur. In order to prevent this sagging, if the sachet continuum is pressed from the top, when the sachet continuum is transported at high speed, there is a high possibility that a hole or tear will occur in the sachet depending on the contents such as stones. .

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a folding device for a continuous sachet that can be operated at high speed while preventing sagging and preventing occurrence of holes and tears in the sachet. It is to provide.

In order to solve the above problem, the folding device for a continuous bag of the present invention,
A sachet fold device that folds a sachet continuum comprising a plurality of sachets into a storage box,
Conveying means for conveying the sachet continuous body from a predetermined position to the storage box;
A belt driven by a motor,
The sachet continuous body is conveyed on the belt along the driving direction of the belt,
The belt is driven so as to apply a brake to the continuous small bag conveyed by the conveying means.

  According to the above configuration, the belt can be caused to act as a brake and slip due to the frictional resistance between the feed belt and the sachet continuum, and the occurrence of deflection in the sachet continuum can be prevented.

  Further, even if it is conveyed at high speed, it is stably conveyed by the belt, and it is possible to prevent the sachet from being holed or torn.

  In the sachet folding apparatus according to the present invention, the belt may be a round belt.

  In the folding device for a continuous bag of the present invention, the belt may be a flat belt.

  It is preferable that the sachet continuous body folding device of the present invention is provided with a pressing roller for pressing the vertical seal portion of the sachet continuous body from the opposite side of the belt, and the pressing roller is driven by the motor.

  According to the above configuration, when the pressing roller 54 is provided and driven so as to be pressed from above the vertical seal portion of the sachet continuous body, when the weight of the sachet continuous body is light or the driving speed of the sachet continuous body is high. In this case, sagging of the sachet continuous body can be more effectively prevented.

  The folding device for a continuous bag of the present invention is preferably provided with a pressing belt for pressing the continuous bag from the opposite side of the belt, and the pressing belt is driven by the motor.

  According to the above configuration, when the pressing belt is provided and driven and pressed from above the sachet continuum, it is more effective when the weight of the sachet continuum is light or when the driving speed of the sachet continuum is high. Thus, sagging of the continuous bag can be prevented.

  The folding device for a continuous sachet according to the present invention is a folding device for a continuous sachet that folds a continuous sachet consisting of a plurality of sachets into a storage box, and conveys the continuous sachet from a predetermined position to the storage box. And a belt driven by a motor. The sachet continuous body is transported on the belt along a driving direction of the belt, and the belt is transported by the transport means. It is driven to brake the continuum.

  Therefore, it is possible to provide a folding device for a continuous sachet that can be operated at a high speed without causing a hole or tearing in the sachet while preventing sagging.

It is a front view which shows the structure of the folding device of the small bag continuous body which concerns on embodiment of this invention. It is a side view which shows the structure of the folding device of the sachet continuous body which concerns on embodiment of this invention. It is a top view which shows the structure of the folding device of the small bag continuous body which concerns on embodiment of this invention. It is a figure which shows a small bag continuous body, Comprising: (a) is sectional drawing which shows a mode that a small bag continuous body is accommodated in a storage box, (b) is a top view which shows a small bag continuous body. It is a front view which shows the circular-arc-shaped conveyance roller part of the folding device of the small bag continuous body which concerns on embodiment of this invention. It is a side view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a top view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a front view which shows the circular-arc-shaped conveyance roller part of the folding device of the small bag continuous body which concerns on the modification 1. FIG. It is a side view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a top view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a front view which shows the circular-arc-shaped conveyance roller part of the folding device of the small bag continuous body which concerns on the modification 2. FIG. It is a side view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a top view which shows the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. It is a front view which shows the structure of the folding apparatus of the conventional small bag continuous body. It is a figure which shows the structure of a small bag continuous body.

  Hereinafter, embodiments of the present invention will be described in detail.

  Hereinafter, the present embodiment will be described with reference to FIGS.

  First, based on FIGS. 1-3, the structure of the whole folding device of a small bag continuous body is demonstrated.

  FIG. 1 is a front view showing the configuration of the folding device for a continuous bag according to the present embodiment, and FIG. 2 is a side view showing the configuration of the folding device for the continuous bag shown in FIG. These are top views which show the structure of the folding device of the small bag continuous body shown in FIG.

  As shown in FIG. 1, the sachet continuous body folding apparatus 1 includes an upright apparatus body 50 at a substantially central position, and a box switching section 7 is provided on the front side of the apparatus body 50. The box switching unit 7 automatically switches to another storage box 40 when the storage of the small bag continuous body is completed in one storage box 40 while transporting the storage box 40 from right to left. Below, let the direction parallel to the conveyance direction of the storage box 40 be an X-axis direction.

  A first reserve box 15 in which the sachet continuous body is temporarily stored is provided on the upstream side in the transport direction of the box switching unit 7 (right side in the figure). The first reserve box 15 functions as a buffer that receives a continuous bag of sachets coming from a filling machine (not shown) and absorbs the difference in speed between the filling machine and the apparatus main body 50.

  A guide roller 30 and a guide roller 31 are provided above the first reserve box 15. The sachet continuous body is sequentially wound around the guide roller 30 and the guide roller 31 from the first reserve box 15 and conveyed to the side feed unit 9.

  The side feed unit 9 includes a pair of rollers 32 provided along the X-axis direction and a pressing roller 33 provided between the pair of rollers 32. The sachet continuous body is sandwiched between the pair of rollers 32 and the pressing roller 33 and conveyed.

  A second reserve box 8 is provided on the left side of the side feed portion 9. The second reserve box 8 is provided with a switch 34 for controlling ON / OFF of the side feed unit 9 and a sensor 38 provided for adjusting the speed of the side feed unit 9. The sensors 38 are provided on the outer walls on both sides of the second reserve box 8, and are composed of a pair of upper sensors 38a and a pair of lower sensors 38b. When the switch 34 is turned on, the side feed unit 9 starts operation. When the state of the second reserve box 8 is detected by the upper sensor 38a and the lower sensor 38b in the continuous operation state of the side feed unit 9, the side feed unit 9 operates at a high speed. On the other hand, when the full state of the second reserve box 8 is detected by the upper sensor 38a and the lower sensor 38b, the side feed unit 9 operates at a low speed.

  Above the second reserve box 8, an arcuate transport roller portion 14 is provided. The arcuate conveying roller unit 14 is provided on a lower side of the feed belt 36 and a pair of guide rollers 35 provided along the X-axis direction, a feed belt 36 provided between the pair of guide rollers 35. A plurality of small feed rollers 39 and a small roller 41 provided below one guide roller 35 are provided. Here, one guide roller 35 is a guide roller provided on the upstream side in the transport direction among the pair of guide rollers 35. The sachet continuous body sequentially passes from the second reserve box 8 through the small roller 41, one guide roller 35, the feed belt 36, and the other guide roller 35. With this configuration, the sachet continuum can be stably conveyed, and the occurrence of holes and tears in the sachets can be prevented.

  The feed belt 36 is driven by a motor 37. The speed of the feed belt 36 is adjusted by the motor 37. As the motor 37, for example, a servo motor, a stepping motor, a DC motor, or the like can be used.

  As described above, as shown in FIG. 3, the sachet continuous body includes the first reserve box 15, the guide roller 30, the guide roller 31, one roller 32, the other roller 32, the second reserve box 8, and the roller 41. , One guide roller 35, the feed belt 36, and the other guide roller 35 are sequentially passed.

  The other guide roller 35 is provided substantially at the center of the upper end of the apparatus main body 50. The ultrasonic detector 18, the feed roller unit 2, the crease unit 16, and the cutter unit 17 are provided below the other guide roller 35. The ultrasonic detector 18 detects the boundary between the sachet 4a of the sachet continuous body and the seal portion 4b (see FIG. 4B), and detects the sachets one by one. The feed roller unit 2 is constituted by a pair of feed rollers, and is driven by a motor to convey the small bag continuous body to the creasing unit 16. The crease unit 16 folds the sachet continuum so that the sachet continuum can be easily folded at both ends of the storage box 40. The cutter unit 17 cuts the sachet continuous body when the storage in one storage box 40 is completed. The sachet continuous body sequentially passes through the ultrasonic detector 18, the feed roller unit 2, the crease unit 16, and the cutter unit 17 from the other guide roller 35. A direction parallel to this direction is defined as a V direction.

  A drive duct portion 3 is provided below the cutter unit 17. The drive duct portion 3 is driven by a motor and swings left and right. The sachet continuous body is stored on the left and right of the storage box 40 by the swinging of the drive duct portion 3. The storage box 40 is moved back and forth (in a direction perpendicular to the paper surface) by the box moving unit 43. The sachet continuous body is stored before and after the storage box 40 by the movement of the storage box 40.

  The apparatus main body 50 is provided with a pair of pressing portions 5. When the sachet continuous body is light and cannot be folded well at both ends of the storage box 40, the pair of pressing portions 5 can alternately hold both ends of the storage box 40, and the sachet continuous body can be prevented from rising at both ends.

  With the above configuration, the sachet continuous body is stored in the storage box 40 as shown in FIG. FIG. 4A is a diagram illustrating a state in which the sachet continuous body is stored in the storage box 40.

  The apparatus main body 50 is provided with a control unit 11 and controls the entire apparatus main body 50.

  As shown in FIG. 2, the apparatus main body 50 is also provided with a safety cover part 13, an operation box part 10, a wiring pipe part 12, and the like.

  Hereinafter, based on FIGS. 5-7, the structure of the circular-arc-shaped conveyance roller part 14 is demonstrated in detail.

  FIG. 5 is an enlarged view of the arc-shaped conveyance roller portion of the sachet continuous body folding device 1 shown in FIG. 1, and FIG. 6 is a side view showing the configuration of the main part of the arc-shaped conveyance roller portion shown in FIG. 5. FIG.

  As described above, the arc-shaped transport roller unit 14 includes the pair of guide rollers 35 provided along the X-axis direction, the arc-shaped feed belt 36 provided between the pair of guide rollers 35, and the feed belt. And a plurality of movable feed rollers 39 provided below 36. The feed belt 36 is driven counterclockwise by a motor 37 to adjust the speed.

  Specifically, as shown in FIGS. 5 and 6, the roller 53 is driven by the motor 37, and the feed belt 36 wound around the roller 53 is driven. As the motor 37, for example, a servo motor, a stepping motor, a DC motor, or the like can be used.

  The counterclockwise speed of the feed belt 36 is adjusted so as to be slower than the speed at which the sachet continuous body is pulled on the feed belt 36, so that the feed belt 36 is driven on the feed belt 36. It can be made to act as a brake against the belt and slip due to the frictional resistance between the feed belt 36 and the sachet continuum to prevent the sachet continuity from being bent.

  The ratio between the speed of the continuous sachet driven on the feed belt 36 and the speed of the feed belt 36 is preferably 1: 0.7 to 1: 0.8.

  In this way, the belt is driven under the driven sachet continuous body, and the belt is driven in synchronization with the driving of the sachet continuous body, so that the belt acts as a brake for the sachet continuous body, It is possible to prevent the occurrence of deflection.

  As the feed belt 36, a round belt or a flat belt can be used.

  FIG. 7 is a top view showing the configuration of the main part of the arcuate transport roller when a round belt is used.

  As shown in FIG. 7, in a plurality of cylindrical feed rollers 39 arranged in parallel, eight rows of grooves are formed on the side surfaces of the feed rollers 39 along the circumferential direction. Seven round belts (not shown) are provided so as to fit into the grooves of the feed rollers 39.

Here, the number of grooves formed on the side surface of each feed roller 39 and the number of round belts formed according to the number of the grooves can be appropriately designed as necessary.
(Modification 1)
Hereinafter, a modification of the present invention will be described with reference to FIGS.

  FIG. 8 is a front view showing the configuration of the arcuate conveyance roller unit according to this modification, and FIG. 9 is a side view showing the configuration of the main part of the arcuate conveyance roller unit shown in FIG. These are top views which show the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. The same reference numerals are given to the same components as those described in the embodiments. Detailed description of these components will not be repeated.

  As described above, a flat belt can be used as the feed belt 36A. Further, in this modification, a pressing roller 54 is provided above the feed belt 36A. The pressing roller 54 is also driven by the motor 37.

  Specifically, as shown in FIGS. 8 to 10, the pulley 53 is driven by the motor 37, and the feed belt 36 </ b> A wound around the pulley 53 and each feed roller 39 is driven. On the other hand, the pulley 57 is rotated by the motor 37, and the pulley 58 is rotated via the timing belt 55 by the rotation of the pulley 57. The pressure roller 54 is driven by the rotation of the pulley 58.

  The vertical seal portion 4c (see FIG. 4B) of the sachet continuous body is sandwiched between the feed belt 36A and the pressing roller 54 and conveyed. The pressing roller 54 is driven in synchronization with the feed belt 36A. Thereby, a small bag continuous body can be conveyed stably and it can prevent that sagging generate | occur | produces in a small bag continuous body. Further, since the vertical seal portion 4c of the continuous bag is pressed by the pressing roller 54 and the pressing roller 54 is driven in synchronization with the feed belt 36A, it is possible to prevent the small bag 4a from being damaged.

  The flat belt is preferably made of a soft material as the feed belt 36A. With this configuration, it is possible to prevent the sachet continuous body from being damaged.

If the feed belt is formed of a round belt, it can be easily replaced at a low cost. Further, the shape of the pulley does not need to be a shape that prevents meandering that is likely to occur in a flat belt, and is easy to manufacture. On the other hand, when the feed belt is constituted by a flat belt, it can be brought into surface contact with the sachet continuum, so that the sachet continuum and the frictional resistance can be surely generated, and the sag of the sachet continuum can be reliably prevented. it can.
(Modification 2)
Hereinafter, a modification of the present invention will be described with reference to FIGS.

  FIG. 11 is a front view showing the configuration of the arcuate conveyance roller unit according to this modification, and FIG. 12 is a side view showing the configuration of the main part of the arcuate conveyance roller unit shown in FIG. These are top views which show the structure of the principal part of the circular-arc-shaped conveyance roller part shown in FIG. The same reference numerals are given to the same components as those described above. Detailed description of these components will not be repeated.

  As described above, a flat belt can be used as the feed belt 36A. Furthermore, in this modification, a pressing belt 60 is provided above the feed belt 36A. This holding belt 60 is also driven by the motor 37.

  Specifically, as shown in FIGS. 11 to 13, the pulley 53 is rotated by the motor 37, and the feed belt 36 </ b> A wound around the pulley 53 is driven. On the other hand, the pulley 57 is rotated by the motor 37, and the pulley 58 </ b> A is rotated via the timing belt 55 by the rotation of the pulley 57. The holding belt 60 is driven by the rotation of the pulley 58A.

  The sachet continuous body is sandwiched between the feed belt 36A and the holding belt 60 and conveyed. The pressing belt 60 is driven in synchronization with the feed belt 36A. Thereby, a small bag continuous body can be conveyed stably and it can prevent that sagging generate | occur | produces in a small bag continuous body.

  As shown in the modified examples 1 and 2, when the pressing roller 54 or the pressing belt 60 is provided and driven and pressed from above the sachet continuum, the weight of the sachet continuum is light, or When the driving speed is high, sagging of the sachet continuous body can be more effectively prevented.

  In the above description, a flat belt is used as the feed belt and the pressing roller 54 or the pressing belt 60 is provided. However, a round belt may be used as the feed belt, and the pressing roller 54 or the pressing belt 60 may be provided.

  Further, the feed belts 36 and 36A are not limited to round belts and flat belts. A general conductive belt including a V belt may be used.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope shown in the claims, and embodiments obtained by appropriately combining technical means disclosed in different embodiments. Is also included in the technical scope of the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a sachet continuum folding device that folds a sachet continuum formed by a series of sealed sachets such as kaya or powder soup.

DESCRIPTION OF SYMBOLS 1 Folding device of a continuous bag 2 Feed roller part 3 Drive duct part 5 Holding part 8 Second reserve box 9 Side feed part 10 Operation box part 11 Control part 12 Wiring piping part 13 Safety cover part 14 Arc-shaped conveyance roller part 15 1st reserve box 16 Folding unit 17 Cutter unit 18 Ultrasonic detector 30 Guide roller 31 Guide roller 35 Guide roller 36 / 36A Feed belt 37 Motor 39 Feed roller 40 Storage box 43 Box moving part 50 Device main body 53 Pulley 54 Holding roller 60 holding belt

Claims (5)

A sachet fold device that folds a sachet continuum comprising a plurality of sachets into a storage box,
Comprising an arcuate conveying roller unit for conveying to the storage box of the pouch continuum from a predetermined position,
The arcuate conveying roller portion includes a pair of guide rollers provided along the horizontal direction;
A plurality of feed rollers arranged in an arc shape between the pair of guide rollers;
And a belt which is driven by the pair of guide rollers and the plurality of feed rollers and wound around the motor,
The sachet continuous body is conveyed along the driving direction of the belt on the belt along the plurality of feed rollers arranged in the arc shape ,
The folding device for a small bag continuous body, wherein the belt is driven so as to apply a brake to the continuous small bag body conveyed along the plurality of feed rollers .   The apparatus for folding a sachet continuous body according to claim 1, wherein the belt is a round belt.   The apparatus for folding a continuous bag of claim 1, wherein the belt is a flat belt. A pressing roller is provided to press the vertical seal portion of the sachet continuum from the opposite side of the belt,
The folding device for a continuous pouch according to any one of claims 1 to 3, wherein the pressing roller is driven by the motor. A holding belt for pressing the sachet continuous body from the opposite side of the belt is provided;
The foldable device for folding a continuous bag according to any one of claims 1 to 3, wherein the pressing belt is driven by the motor.

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