JP2011001148A - Sheet bundle conveying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet bundle conveying device easily conveying a sheet bundle in a simple structure.SOLUTION: The sheet bundle conveying device S includes a sheet bundle supporting means 12 supporting a sheet bundle 2 in which a plurality of sheets 2a are overlaid in a standing state and functioning as a conveying passage, a first moving body 25 movable along the conveying passage, a driving means 26 moving the first moving body 25, a sheet bundle pressing means 29 attached to the first moving body 25, pressing the sheet bundle 2 from the back and moving it on the conveying passage, a first energizing means 40 energizing the front of the sheet bundle 2, and a second moving body 36 attached with the first energizing means 40 and movable along the conveying passage under a pressing force caused by the movement of the sheet bundle 2.

Description

  The present application relates to a sheet bundle conveying apparatus that conveys a sheet bundle.

  In general, in the process of manufacturing a paper container such as a confectionery container or a cup noodle container, a sheet-like lid material that closes the upper surface of the container is pre-determined by punching a sheet bundle in which a plurality of patterns printed on the sheet are superimposed After punching into a shape and forming, the suitability of each sheet of the formed sheet bundle is inspected (inspected) by an operator.

  In general, a punching process for punching a sheet as described above into a predetermined shape and an inspection process for inspecting the suitability of the formed sheet are performed as separate processes.

  Specifically, from a discharge port of the punching device, a plurality of stacked sheet bundles in an upright state are pushed out along a guide and discharged, and a work space for inspection of the sheet bundle by an operator. Inspection work is carried out.

  On the other hand, as an apparatus for conveying a sheet bundle, for example, there is a sheet bundle conveying apparatus that conveys a sheet bundle in bookbinding processing (see Patent Document 1). This sheet bundle conveying apparatus stacks a plurality of sheets on a tray, grips the stacked sheet bundle with a grip, and transfers the sheet bundle gripped with the grip to a predetermined place using a guide rail or the like. It is.

JP 2007-276967 A

  As described above, since the conventional sheet bundle is transported manually, it is necessary for the operator to perform inspection work in accordance with the sheet punching operation in the punching process, and the sheet bundle is discharged from the punching device. Therefore, there is a problem that it is difficult to carry out the work smoothly because it is necessary to transport the sheet to the workplace.

  Also, with manual conveyance, the sheet bundle tends to collapse, and the operator needs to pay close attention to the operator, which places a heavy burden on the operator. Also, if the sheet bundle is large, the weight increases, resulting in heavy labor. There is.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a sheet bundle conveying device that can easily convey a sheet bundle with a simple structure.

  In order to solve the above-described problem, the sheet bundle conveying device according to claim 1 supports a sheet bundle in which a plurality of sheets are stacked in an upright state, and functions as a conveying path, A first moving body movable along the conveying path, a driving means for moving the first moving body, and attached to the first moving body; A sheet bundle pressing means for moving on the conveyance path, a first urging means for urging the front of the sheet bundle, and the first urging means are attached, and the pressing force by the movement of the sheet bundle is used to And a second moving body that is movable along the transport path.

  According to the present invention, since the front of the sheet bundle is biased when the sheet bundle is pressed and conveyed from behind, the sheet bundle can be stably conveyed.

  According to a second aspect of the present invention, the sheet bundle conveying apparatus according to the first aspect further includes a second urging unit that constantly urges the sheet bundle pressing unit toward the sheet bundle side. A rotatable rotating body is provided at the front end of the sheet bundle pressing means, and the rotating body faces the end surface of the sheet bundle when the moving body moves beyond the end of the sheet bundle. It is characterized by that.

  According to this invention, the sheet bundle can be conveyed only by movement control of the first moving body.

  A sheet bundle conveying device according to a third aspect is provided between the sheet bundles of the plurality of sheet bundles supported by the sheet bundle supporting means in the sheet bundle conveying device according to the first or second aspect. A partition is provided, and the partition is capable of self-supporting on the transport path, and is formed with a groove for receiving a leading end portion of the sheet bundle pressing means.

  According to this invention, the sheet bundle pressing means is inserted into the rear end surface of the sheet bundle by interposing the partition body between the sheet bundles and inserting the leading end portion (rotating body) of the sheet bundle pressing means into the groove of the partition body. Therefore, when a plurality of sheet bundles are arranged in series, only the frontmost sheet bundle can be easily conveyed.

  The sheet bundle conveying device according to claim 4 is the sheet bundle conveying device according to any one of claims 1 to 3, wherein the sheet bundle supporting means includes a pair of rails extending in the conveying direction, Each rail is provided so as to be inclined obliquely so that the surface of the rail contacts the lower side surface of the sheet bundle.

  According to this invention, the sheet bundle can be supported from below, and the sheet bundle can be prevented from falling off to the left and right.

  The sheet bundle conveying apparatus according to claim 5 is the sheet bundle conveying apparatus according to any one of claims 1 to 4, wherein the second moving body is gradually separated from the conveying path. The rotating body is provided at the front end of the first urging means, and the rotating body is disposed on the front end surface of the sheet bundle at the start of conveyance of the sheet bundle, and before the conveyance is completed. Is arranged on the upper surface of the sheet bundle.

  According to the present invention, the sheet bundle can be stably conveyed because the sheet bundle is pressed in the front-rear direction during the conveyance of the sheet bundle, and the first urging means is placed on the upper surface of the sheet bundle after the conveyance is completed. Therefore, it is easy to take out the sheet bundle from the conveyance path.

  A sheet bundle conveying apparatus according to a sixth aspect is the sheet bundle conveying apparatus according to any one of the first to fifth aspects, wherein a thread-like body in which a weight is suspended is conveyed in the conveying direction. It is characterized by being tensioned backward and attached.

  According to the present invention, since the front of the sheet bundle can always be urged by the first urging means by the weight of the weight, the sheet bundle can be stably formed only by the driving means for pressing the sheet bundle from the rear. Can be transported.

  According to the present invention, a sheet bundle can be stably conveyed to a predetermined position with a simple structure, and the sheet bundle can be easily taken out.

1 is a perspective view illustrating an overall configuration of a sheet bundle conveying apparatus to which the present invention is applied. It is a perspective view which shows the whole structure of a sheet | seat bundle. It is a perspective view which shows the whole structure of the partition body mounted on the rail. It is a front view which shows the whole structure of a sheet bundle conveying apparatus. FIG. 5 is an enlarged view of a portion X in FIG. 4. It is a figure which shows the AA cross section of FIG. FIG. 10 is a diagram illustrating an operation example of a sheet bundle conveyance device.

  The best mode for carrying out the present application will be described below with reference to the drawings. In the embodiment described below, for example, the present application is applied to a sheet bundle conveying unit disposed between a punching process and an inspection process in a manufacturing process of a paper container such as a confectionery container or a cup noodle container. . In the following description, the punching apparatus will not be described in order to apply a general configuration that has conventionally existed.

-Configuration of sheet bundle conveying device-
FIG. 1 is a perspective view showing the overall configuration of a sheet bundle conveying apparatus to which the present invention is applied.

  As shown in FIG. 1, the sheet bundle conveying device S of the present embodiment receives a sheet bundle 2 discharged from the discharge port T1 of the punching device T and conveys it to the vicinity of the inspection work place U, which is the next process. 10 is provided. The sheet bundle 2 is a bundle of sheets molded into a predetermined shape (for example, a substantially circular shape). As shown in FIG. 2, a plurality of sheets 2a having a predetermined shape are formed using a punching device (not shown). Molded by punching in a stacked state. In the sheet bundle 2, for example, as shown in FIG. 2, the corrugated cardboard 4 is inserted every 100 sheets, and one lot is formed with 500 sheets 2a as a whole.

  The conveyance unit 10 receives the sheet bundle 2 discharged from the punching device T and discharges the sheet bundle 2 so that the operator can easily take it out in the vicinity of the inspection work place U. Sheet bundle discharging unit 50. An operator working in the inspection work place U receives the sheet bundle 2 discharged to the sheet bundle discharge unit 50 and performs inspection work. The sheet bundle 2 is discharged from the punching device T in a state where a plurality of sheets 2a are erected and stacked.

  As shown in FIGS. 1 and 4, the sheet bundle receiving unit 11 supports the sheet bundle 2 discharged from the punching device T from below and extends to the vicinity of the inspection work place U (see the sheet of the present application). Functioning as a bundle supporting means). The rails 12 and 12 form a conveyance path from the discharge unit T1 of the punching device T to the sheet bundle discharge unit 50. The rails 12 and 12 are provided with, for example, prisms arranged in parallel, and have a length capable of sequentially aligning a plurality of sheet bundles 2 in series. The length of the rail 12 is set by the distance between the punching device T and the inspection work place U. Further, as shown in FIG. 1, the rails 12, 12 are provided obliquely so that one surface is in contact with the lower side surface of the sheet bundle 2. By arranging the rails 12 and 12 in this way, the sheet bundle 2 can be supported from below, and the sheet bundle 2 can be prevented from dropping to the left and right during conveyance.

  As shown in FIG. 1 and FIG. 3, a partition block 15 that functions as a partition for partitioning each sheet bundle 2 is disposed between the sheet bundles 2 aligned on the rails 12 and 12 by an operator. As shown in FIG. 3 and FIG. 6, the partition block 15 is formed so that the left and right lower sides have the same inclination as the inclination angle of the rails 12 and 12. In addition, the partition block 15 is formed on the rails 12 and 12 so as to be able to stand on its own, and a groove 16 extending upward from the peripheral surface is formed in the approximate center of the lower end portion. As shown in FIG. 3, a handle 17 for carrying the partition block 15 or moving on the rail 12 is provided on one side of the partition block 15. Further, on the left and right sides of the upper surface of the partition block 15, through holes (not shown) are formed from the upper surface to the lower surface in the vertical direction, and through screws 18 are provided in the through holes. The partition block 15 rotates in the direction in which the through screw 18 is tightened, so that the tip of the through screw 18 protrudes downward from the lower end surface of the through hole and is brought into contact with the pair of rails 12, 12. It can be fixed to.

  As shown in FIG. 1, a base 21 is provided below and before and after the rails 12 and 12, and the base 21 is a rodless cylinder or the like that is driven by air pressure extending in the transport direction as shown in FIG. Actuator 26 (which functions as the driving means of the present application) is provided. The actuator 26 is provided with a moving body 25 (functioning as the first moving body of the present application), and the moving body 25 can be moved along the rail 12 by driving the actuator 26.

  As shown in FIGS. 5 and 6, a bent lever 27 is provided on the moving body 25 so that its tip end portion can be pivoted up and down via a pivot. A rotating roller 29 (which functions as the rotating body and sheet bundle pressing means of the present application) is attached via a pivot. Further, a tension spring 28 as a second urging means for constantly urging the lever 27 in the upward direction (sheet bundle 2 side) is stretched between the lever 27 and the moving body 25, The lever 27 is lifted upward and the rotating roller 29 is pressed against the lower surface of the sheet bundle 2. The moving body 25 is provided with a stopper 30 for restricting the upward movement of the lever 27, and the position of the lever 27 is defined by a part of the lever 27 coming into contact with the stopper 30. The For example, as shown by a solid line in FIG. 5, in a state where the rotary roller 29 is pressed against the lower surface of the sheet bundle 2, the actuator 26 is driven to move the moving body 25, and as shown by a two-dot chain line in FIG. When the rotary roller 29 is moved below the partition block 15, the rotary roller 29 is fitted into the groove 16 of the partition block 15.

  Here, an operation example of moving the sheet bundle 2 will be described. As shown above, first, when the movable body 25 is moved to below the partition block 15, when the rotary roller 29 exceeds the end of the sheet bundle 2, it is received in the groove 16 of the partition block 15, The rotary roller 29 faces the rear end surface of the sheet bundle 2 to be conveyed. Then, by driving the actuator 26 and moving the movable body 25 in the conveyance direction, the sheet bundle 2 is pressed from the rear to the front by the lever 27 including the rotary roller 29 and moves on the conveyance path.

  On the other hand, as shown in FIGS. 1 and 4, a base 35 is provided above the rail 12 along the rail 12, and the base 35 is inclined upward in the transport direction. It is provided as follows. The base 35 is provided with a movable body 36 (functioning as the second movable body of the present application) that is movable through a groove (not shown) formed on the side surface of the base 35. A thread-like wire 37 (thread-like body) having a weight 38 attached to its end is tensioned and attached to the moving body 36 via a rotatable pulley (not shown) provided at the rear. The weight 38 is suspended and arranged in the air, and a load is always applied to the moving body 36 in the direction opposite to the conveying direction.

  The moving body 36 is provided with a rotating body 40 (which functions as the first urging means of the present application) provided via a pivot 39 above the conveying path. The rotating body 40 is arranged on the conveying path. The front of the sheet bundle 2 that moves is energized.

  Specifically, the rotating body 40 contacts the front end surface of the sheet bundle 2, and the moving body 36 moves in the conveyance direction against the weight of the weight 38 as the sheet bundle 2 moves in the conveyance direction. At this time, since the sheet bundle 2 is pressed from the front-rear direction, the sheet bundle 2 is stably conveyed on the conveyance path.

  Furthermore, when the sheet bundle 2 moves in the conveyance direction, the moving body 36 moves in a direction (upward) gradually away from the conveyance path, and the rotating body 40 moves from the front end surface of the sheet bundle 2 to the upper surface of the sheet bundle 2. Moving. Thereafter, the sheet bundle 2 is discharged to the sheet bundle discharge section 50, and the rotating body 40 is released from contact with the sheet bundle 2. When the sheet bundle 2 is discharged to the sheet bundle discharge portion 50, the moving body 36 moves rearward due to the weight of the weight 38, and moves to the front end face of the other sheet bundle 2 aligned behind the sheet bundle 2. Contact.

  As described above, the sheet bundle conveying device S of the present embodiment only needs the actuator 26 for the power to move the moving body 36. Therefore, the manufacturing cost and the running cost can be easily reduced, and the sheet bundle 2 can be conveyed stably.

  The sheet bundle discharging unit 50 includes a pair of rails 51 and 51 provided on a predetermined base 21 so as to be rotatable via a pivot (not shown). The rails 51 are provided so as to extend to the rails 12 provided in the sheet bundle receiving unit 11, and are arranged in parallel, for example, by inclining prisms. The rail 51 has a length for receiving one sheet bundle 2. In addition, an actuator 53 such as an air cylinder is placed over the rail 51 and the base 21 so that the rear of the rail 51 is lowered by the expansion and contraction of the air cylinder, and the rail 51 is inclined.

  A base (not shown) is provided along the rail 51 below the rails 51, 51. The base is provided with a stopper 59 that is movably mounted on the base. Yes.

  A base (not shown) is provided below the rails 51 and 51, and a moving body 55 attached to the base is movable on the base. Is provided. The moving body 55 protrudes upward from between the rails 51, 51. One end of a wire 57 is fixed to the moving body 55, and the other end of the wire 57 is in the conveying direction of the sheet bundle 2. A weight 58 is fixed via a pulley (not shown) provided on the upstream side. This weight 58 is suspended and arranged in the air, and a load is always applied to the moving body 55 in the direction opposite to the conveying direction.

  The rails 51 and 51 are provided with stoppers 59 for defining the position of the sheet bundle 2. The stopper 59 is provided so as to be movable on the rails 51, 51. For example, the stopper 59 is attached to a rodless cylinder disposed along the rail 51, and the stopper 59 can be moved by driving the rodless cylinder. it can.

  According to the sheet bundle discharging unit 50 configured as described above, when the sheet bundle 2 is discharged onto the rails 51, 51, the leading end portion of the sheet bundle 2 comes into contact with the moving body 55, and further the sheet bundle 2. The moving body 55 is pressed by this movement, and the moving body 55 moves in the transport direction against the weight of the weight 58. At this time, since the sheet bundle 2 is pressed from the front-rear direction, the sheet bundle 2 is stably conveyed.

  Further, the movement of the sheet bundle 2 is restricted by the stopper 59. When the sheet bundle 2 hits the stopper 59, the actuator 53 is driven, the rear of the rail 51 is lowered, and the rail 51 is inclined. In this way, the operator can easily take out the sheet bundle 2 from the rail 51 and move it to the inspection work place U by inclining the rail 51 to incline the sheet bundle 2.

-Operation of sheet bundle conveying device-
Next, a series of operation examples of the sheet bundle conveying apparatus of the present embodiment will be described with reference to FIG. In addition, the code | symbol of the member shown in FIG.1 and FIG.4 is provided during description so that it may be easy to understand.

  As shown in FIG. 7A, the sheet bundle 2 formed into a predetermined shape by the punching device T is continuously discharged from the discharge portion T1 of the punching device T onto the rail 12 of the sheet bundle receiving portion 11. . At this time, the front of the front-most sheet bundle 2 is urged by a rotating body 40 attached to a moving body 36 provided above the rail 12. Further, the partition block 15 is inserted between the sheet bundles 2 that are sequentially aligned in the transport direction by an operator who manages the punching device T.

  Next, as shown in FIG. 7B, when the actuator 26 is driven to move the movable body 25 to below the partition block 15, the partitioning is performed when the rotary roller 29 exceeds the end of the sheet bundle 2. The rotary roller 29 is received in the groove 16 of the block 15 and faces the rear end surface of the sheet bundle 2 to be conveyed.

  As shown in FIG. 7C, when the actuator 26 is further driven to move the moving body 25 in the transport direction, the sheet bundle 2 is pressed from the rear to the front by the lever 27 including the rotating roller 29. Move on the transport path. Further, while the sheet bundle 2 is moving on the conveyance path, the rotating body 40 attached to the moving body 36 provided above the rail 12 always urges the front of the sheet bundle 2. Therefore, since the sheet bundle 2 is pressed from the front-rear direction, the sheet bundle 2 is stably conveyed on the conveyance path.

  Next, as illustrated in FIG. 7D, when the actuator 26 is further driven to move the moving body 25 in the transport direction, the sheet bundle 2 is discharged onto the rail 51 of the sheet bundle discharge unit 50. The At this time, the front of the sheet bundle 2 abuts against the moving body 55 and moves until it hits the stopper 59 while being always urged rearward by the backward pressing force of the moving body 55. Therefore, since the sheet bundle 2 is pressed from the front-rear direction, the sheet bundle 2 is stably discharged to the sheet bundle discharge unit 50.

  Next, as shown in FIG. 7E, the actuator 53 is driven to lower the rear of the rail 51 to tilt the rail 51. When the sheet bundle 2 is taken out from the rail 51 by an operator at the inspection work place U, the moving body 55 moves to the vicinity of the entrance of the sheet bundle discharge portion 11 while pressing the stopper 59 by the weight of the weight 58. In addition, regarding the conveyance of the sheet bundle 2, the above operation is repeated below.

  According to the sheet bundle conveying apparatus of the present embodiment configured as described above, it is possible to freely convey a required number of sheet bundles when necessary, and to reduce the burden on the operator. Can be reduced.

  Moreover, since it is comprised only with 1 motive power by air, while being able to manufacture a conveying apparatus at low cost, it can be set as the apparatus which is hard to fail.

  Furthermore, the operator of the punching apparatus can reduce the burden on the operator because he / she can produce without worrying about the subsequent process except when the partition is inserted between the sheet bundles.

  In addition, this embodiment is one form and is not limited to this form. For example, in the present embodiment, the sheet bundle 2 is pressed to convey the sheet bundle 2 by pressing below the rear end surface of the sheet bundle 2, but the position and base of the groove 16 of the partition block 15, the moving body 25, the lever 27 may be changed so that the side of the rear end face of the sheet bundle 2 is pressed.

S Sheet bundle conveying device 12 Rail 15 Partition 25, 36 Moving body 26 Actuator 29 Rotating roller 40 Rotating body

Claims (6)

A sheet bundle supporting means that supports a sheet bundle in which a plurality of sheets are stacked in an upright state and functions as a conveyance path;
A first movable body movable along the transport path;
Driving means for moving the first moving body;
A sheet bundle pressing means that is attached to the first moving body and moves the sheet bundle from behind by moving the sheet bundle on the conveyance path;
First urging means for urging the front of the sheet bundle;
A second moving body to which the first urging means is attached and which is movable along the conveying path by a pressing force by the movement of the sheet bundle;
A sheet bundle conveying device comprising: A second urging means for constantly urging the sheet bundle pressing means toward the sheet bundle side;
At the tip of the sheet bundle pressing means, a rotatable rotating body is provided,
The sheet bundle conveyance device according to claim 1, wherein the rotating body faces an end surface of the sheet bundle when the end of the sheet bundle is exceeded by the movement of the moving body. A plurality of sheet bundles supported by the sheet bundle support means, comprising a partition provided between each sheet bundle,
The partition is
Capable of self-supporting on the transport path,
The sheet bundle conveying device according to claim 1, wherein a groove for receiving a leading end portion of the sheet bundle pressing unit is formed. The sheet bundle support means includes a pair of rails extending in the conveyance direction,
4. The sheet bundle conveying device according to claim 1, wherein each rail is provided to be inclined obliquely so that a surface of the rail is in contact with a lower side surface of the sheet bundle. 5. The second moving body gradually moves away from the transport path;
A rotating body that can rotate is provided at the tip of the first urging means,
5. The rotating body is disposed on a front end surface of the sheet bundle at the start of conveyance of the sheet bundle, and is disposed on an upper surface of the sheet bundle before completion of conveyance. 2. A sheet bundle conveying device according to 1.   The sheet bundle conveying device according to any one of claims 1 to 5, wherein a filamentous body with a weight suspended is attached to the movable body while being tensioned rearward in the conveying direction.

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