JP2011011844A - Cutting-discharging device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cutting-discharging device capable of properly stacking a sheet-fed material, even when a head is large.SOLUTION: This cutting-discharging device has a deposit part for stacking the sheet-fed material provided by cutting a belt-like material. A Coanda box is arranged on the deposit part for carrying the sheet-fed material onto the deposit part while gradually reducing suction force by receiving a starting end part of the discharged sheet-fed material. A nozzle is arranged for discharging air vertically downward from above to the sheet-fed material.

Description

  The present invention relates to a cutting discharge device that cuts a belt-like object such as a web while traveling and discharges it as a sheet.

  The cutting and discharging device is a device that cuts strips of printing paper or the like discharged from a rotary printing press or the like into sheet pieces and deposits them (for example, Patent Documents 1 to 3). reference).

  The cutting / discharging device described in Patent Document 1 sucks and brakes a sheet cut by a rotary cutter by a braking roller, and conveys it onto a deposition unit while sucking it by a Coanda box on the deposition unit. ing. Further, the cutting and discharging device described in Patent Document 2 decelerates by pressing a sheet cut by a rotary cutter toward the lower conveying belt means by a free roller, and is conveyed upward while being sucked by a Coanda box on the deposition portion. The belt means conveys it onto the deposition part. Further, the cutting and discharging apparatus described in Patent Document 3 conveys a sheet cut by a rotary cutter to the upper part of the stacking unit by the upper suction conveyance belt unit, and simultaneously releases the suction by the upper suction conveyance belt unit. The peeling member causes the rear end of the sheet to be sucked by the lower suction conveyance belt means to be braked and dropped onto the stacking portion.

JP-A-50-59967 JP-A-6-321401 Japanese Patent No. 3016245

  The conventional cutting and discharging apparatus has a small drop from the height of the sheet falling on the stacking part, that is, from the upper end of the sheet stacked on the stacking part to the upper suction conveying belt means and the Coanda box. Leaves can be properly stacked on the pile. However, when the stacking unit is provided with a temporary receiving device or the like, the above-mentioned drop becomes large, and it becomes impossible to properly stack sheets on the stacking unit. The temporary receiving device is configured so that when a sheet is deposited to a certain height on the stacking portion, the fork-shaped receiving member is advanced directly below the upper suction conveying belt means or the Coanda box to receive the falling sheet. Therefore, this temporary receiving device is intended to carry out the piles of the single-wafers that have already accumulated while receiving the subsequent single-wafers.

  An object of this invention is to provide the cutting discharge apparatus which can stack | stack a sheet | seat thing appropriately even when a head is large.

  In order to solve the above-mentioned problem, the invention according to claim 1 is cut by a first transport means for transporting a strip, a rotary cutter for cutting the strip to obtain a sheet, and a rotary cutter. In a cutting and discharging apparatus including a second transport unit that transports a single sheet and a stacking unit that stacks single sheets discharged from the second transport unit, the second transport is disposed on the stacking unit. A nozzle that receives the starting end of the sheet conveyed by the means and conveys it to the deposition section while gradually reducing the suction force, and discharges air to the upper surface of the sheet Is installed.

  The cutting and discharging apparatus according to claim 2 is the cutting and discharging apparatus according to claim 1, wherein the nozzle has an opening for blowing air toward the single wafer, and air is supplied to the single wafer. It is characterized in that the position and orientation of the opening with respect to the contact portion can be freely set.

  The cutting and discharging apparatus according to claim 3 is the cutting and discharging apparatus according to claim 1 or 2, further comprising a moving unit that moves the nozzle in a conveying direction of the single wafer. To do.

  Further, the cutting discharge device according to claim 4 is the cutting discharge device according to any one of claims 1 to 3, further comprising an air amount adjusting means for adjusting an amount of air discharged from the nozzle. It is characterized by being.

  According to the invention which concerns on any one of Claims 1 thru | or 4, even when a head is large, a sheet can be reliably stacked.

It is the whole block diagram of the cutting discharge device concerning the present invention. It is a figure which shows the movement state of the rotary cutter with respect to a strip | belt-shaped object. It is a block diagram of a moving mechanism. It is a block diagram of the moving mechanism of other embodiment. (A) is a vertical sectional view of a Coanda box arranged on the rotary cutter side of the cutting discharge device, and (B) is a plan view. (A) is a bottom view of the suction box of the second conveying means in the cutting and discharging apparatus, and (B) is a partially cutaway plan view of the second conveying means. It is a partial notch figure which shows the peeling member and 3rd conveyance means of a cutting discharge apparatus. It is a simplified block diagram of the cutting discharge apparatus seen from the discharge port side. (A) is a vertical sectional view of a Coanda box arranged on the stacking part of the cutting discharge device, and (B) is a bottom view. It is an enlarged view near the accumulation part of a cutting discharge device.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. This cutting and discharging device is arranged at the discharge portion of the rotary printing press, and cuts and discharges the strip 1 as a printed matter at a fixed length, or is provided separately from the rotary printing press. The strip 1 is subjected to printing, processing, etc., and wound again in a roll shape, and cut while feeding out.

  As shown in FIG. 1, the cutting and discharging apparatus is disposed on the downstream side of the first transport unit 2 for transporting the strip 1 while sucking the strip 1 from below, and from above the strip 1 1st and 2nd which cut | disconnects the 2nd conveyance means 3 conveyed while attracting | sucking 1 and the strip | belt-shaped object 1 straddling between the 1st and 2nd conveyance means 2 and 3 and obtains the sheet | seat 1a The rear end portion of the sheet 1a is transferred from the second transfer means 3 during the transfer of the rotary cutter 4 arranged between the transfer means 2 and 3 and the sheet 1a sucked by the second transfer means 3. A peeling member 5 to be peeled downward, and a second conveying means arranged at the lower downstream side of the second conveying means 3 and sucking from below the sheet 1a peeled off by the peeling member 5. And a third transport means 6 that travels at a speed lower than 3 and transports the sheet 1a.

  In addition, the 1st conveyance means of this embodiment functions as a 1st conveyance means of this application, and a 2nd and 3rd conveyance means functions as a 2nd conveyance means of this application.

  The first conveying means 2 includes a thin tough endless belt 7 in which a large number of ventilation holes (not shown) are provided at a constant pitch in the length direction, and the belt 1 is sucked from its lower surface. 1 is sent at a constant speed in the right direction. A plurality of first conveying means 2 are arranged in parallel along the traveling direction of the strip 1. These first conveying means 2 are spanned between a drive shaft 8 and a driven shaft 9 which are arranged in a direction perpendicular to the traveling direction so as to contact the lower surface of the belt 1 and are discharged from the rotary printing press. It travels at a speed slightly higher than the traveling speed of the belt-shaped object 1 to be performed. Further, a suction box 10 is disposed at a location surrounded by the first conveying means 2, and a suction port (not shown) faces the location where the belt 7 of the belt 7 should come into contact from the back side. The suction box 10 is exhausted by a blower connected via a duct (not shown). The drive shaft 8 and the driven shaft 9 are rotatably supported between left and right frames (not shown) of the cutting and discharging device, and the suction box 10 is fixed to the frame. The drive shaft 8 is connected to a drive motor.

  As shown in FIG. 1, a guide roller 11 for guiding the strip 1 discharged from the rotary printing machine, a first and a first pulling the strip 1 are provided between the first transport means 2 and the rotary printer. Two draw rollers 12 and 13 and a compensator roller 14 in contact with the strip 1 between the first and second draw rollers 12 and 13 are arranged. The strip 1 discharged from the rotary printing press is pulled by the first draw roller 12 through the guide roller 11, further pulled by the second draw roller 13, and then reaches the first conveying means 2, and further there. It is pulled and reaches the rotary cutter 4 and is cut. It is necessary to cut the strip 1 for each circumferential length of the plate cylinder. For this reason, on the second draw roller 13, an appropriate size pattern or mark printed on the strip 1 is selected and detected. A sensor (not shown) is arranged. That is, the compensator roller 14 moves based on the signal detected by the sensor to adjust the length of the path of the strip 1 between the first and second draw rollers 12, 13, thereby adjusting the rotary cutter 4 and the strip 1. The phase with the plate cylinder circumference pitch is adjusted.

  When the strip 1 from the rotary printing press enters the cutting and discharging device, the compensator roller 14 performs phase alignment between the plate cylinder pitch and the rotary cutter 4, and the first conveying means 2 sucks the strip 1. While feeding to the rotary cutter 4 at a constant speed.

  The first conveying means 2 may be arranged so as to contact the upper surface of the band 1. Further, the first conveying unit 2 may be omitted, and the belt-like body 1 may be directly fed from the second draw roller 13 to the rotary cutter 4.

  The rotary cutter 4 cuts the belt-like object 1 sent by the first conveying means 2 at the boundary portion of the printed pattern. As shown in FIGS. 1 and 2, the rotary cutter 4 includes a rotary blade 4 a and a fixed blade 4 b and is accommodated in a predetermined casing 40. The fixed blade 4b is attached so as to be in contact with the lower surface of the strip 1 delivered from the first conveying means 2, and the rotary blade 4a is placed on the rotating cylinder so as to periodically contact the fixed blade 4b from the upper surface of the strip 1. It is attached.

  The casing 40 is mounted on the left and right frames RF and LF of the cutting and discharging device, and as shown in FIG. 2, the left end portion of the casing 40 is rotatably supported by the frame LF. With the left end portion of 40 as a fulcrum, the right end portion can be turned upstream or downstream in the transport direction.

  As shown in FIG. 2, a moving mechanism 50 is attached to the right side surface of the casing 40 to move the right end portion upstream or downstream in the transport direction on the frame RF with the left end portion of the casing 40 as a fulcrum. As a result of the casing 40 being moved by the moving mechanism 50, the positions of the fixed blade 4b and the rotary blade 4a with respect to the belt-like object 1 are adjusted.

  The cutting and discharging apparatus according to the present embodiment is cut by the rotary cutter 4 by changing the conveying speed of the strip 1 in a state where the rotary cylinder to which the rotary blade 4a is attached is rotated at a constant rotational speed. The cut length of the sheet 1a is changed. In that case, it is necessary to adjust the positions of the fixed blade 4b and the rotary blade 4a with respect to the strip 1 in order to cut the sheet 1a in an appropriate shape. Specifically, as the transport speed is increased, the right end portion of the casing 40 is moved to the upstream side in the transport direction, and as the transport speed is decreased, the right end portion of the casing 40 is moved to the downstream side in the transport direction. The positions of the fixed blade 4b and the rotary blade 4a with respect to 1 are adjusted.

  As shown in FIG. 3, the moving mechanism 50 includes a drive motor 53 having a rotation shaft 53 a disposed between a pair of support bodies 51, 51 attached to the top and bottom of the frame RF of the cutting and discharging device, and the support body 51. , 51 and 51 are arranged along the conveying direction of the strip 1 and are fitted in a through hole 52a formed in the support shaft 52 so as to be rotatable. A rotating body 55 connected coaxially with the rotating body 55, a moving body 56 attached to the rotating body 55 and moving in the axial direction of the rotating body 55 as the rotating body 55 rotates, and the moving body 56 and the casing 40 are connected. Connecting body 57. Further, an annular spacer 54 is rotatably attached to the support shaft 52, and this spacer 54 is disposed between the support body 51 and the rotating body 55.

  Although not shown in the drawing, a spiral screw portion is formed along the axis on the surface of the left end portion of the rotating body 55, and a meshing portion that meshes with the screw portion is formed on the moving body 56. When the drive motor 53 is rotated, the rotational force transmitted to the rotating body 55 is converted into a linear motion, and the moving body 56 moves in the axial direction of the rotating body 55.

  As shown in FIG. 2, the casing 40 is fixed to the frame LF so that the left end portion can be rotated by a pin or the like, the right end portion is placed on the frame RF, and the right end portion can be rotated about the left end portion as a fulcrum. It has become. Therefore, the right end portion of the casing 40 moves on the frame RF while drawing a predetermined arc. Therefore, a rotational force in the horizontal direction is generated at the joint portion between the connecting body 57 and the moving body 56 as the casing 40 moves. Therefore, the moving body 56 is formed in a columnar shape, for example, and is fitted into a cylindrical bearing portion 57a formed in the connecting body 57 so as to be rotatable. In addition, the axial direction of the rotating body 55 is changed by the movement of the moving body 56. Therefore, the support shaft 52 is formed in a columnar shape, and is fitted into a cylindrical bearing portion 51a formed on the support body 51 so as to be rotatable.

  The moving mechanism 50 configured as described above rotates the rotating shaft 53a of the drive motor 53 to move the casing 40 in a predetermined direction, and moves the moving body 56 to the bearing of the connecting body 57 according to the amount of movement. The support shaft 52 is rotated in the bearing portion 56a of the support body 56, and the drive motor 53 is rotated between the support bodies 51 and 51 in the horizontal direction with the support shaft 52 as a fulcrum.

  The cutting and discharging apparatus according to the present embodiment can be rotated in a predetermined direction by using the moving mechanism 50 configured as described above, with one end (right end) of the casing as a fulcrum at the other end (left end).

  Further, since the moving amount of the casing is very small, the rotating shaft 53a of the drive motor 53 is not shown in order to improve the moving accuracy, but the rotating body 53 is connected to the rotating body via a gear box 58 including gears such as a reduction gear. You may make it connect with 55. FIG.

  As shown in FIG. 4, as another embodiment of the moving mechanism 50, a holding body 59 having a recess 59 a that rotatably holds the lower end portion of the moving body 56 is attached to the distal end portion of the rotating body 55. You may make it fix 56 to the connection body 57. FIG. The holding body 59 is formed with a meshing portion that meshes with a screw portion formed on the surface of the rotating body 55.

  Further, the surface of the recess 59 a is formed to extend in the axial direction of the casing 40, and the lower end surface of the moving body 56 is movable in the axial direction of the casing 40.

  The moving mechanism 50a configured as described above holds the moving body 56 in accordance with the amount of movement when the rotating shaft 53a of the drive motor 53 is rotated to move the right end portion of the casing 40 in a predetermined direction. The casing 40 is moved in the axial direction while rotating on the concave portion 59a.

  Therefore, although not shown, since the axial direction of the rotating body 55 does not change when the casing 40 moves, the drive motor 53 can be rotated via the support shaft 52 as in the embodiment shown in FIGS. Since it is not necessary to provide the drive mechanism 53, the drive motor 53 can be fixed to the support 51, the support shaft 52 can be removed, and the moving mechanism 50a can be configured.

  In the present embodiment, the rotary blade 4a of the rotary cutter 4 rotates at the same rotational speed as the plate cylinder of the printing press. Therefore, the strip 1 is accurately cut at the printed pattern pitch. It will be.

  As shown in FIG. 1, a Coanda box 15 is provided between the rotary cutter 4 and the second conveying means 3 to convey the single-piece 1 a cut by the rotary cutter 4 to the second conveying means 3. It is done.

  As shown in FIGS. 5A and 5B, the Coanda box 15 has a number of air ejection holes 15a on one plane so that air flows along one plane of the elongated box along the longitudinal direction of the box. It is formed and is arranged along the traveling direction of the sheet 1a corresponding to each of the belts 7 of the first conveying means 2. As shown in FIG. 5A, when air is supplied from a blower (not shown) into the Coanda box 15, the air is fed from the numerous air ejection holes 15 a to the single wafer 1 a along one plane of the Coanda box 15. The sheet 1a is transported on the Coanda box 15 toward the second transport means 3 without fluttering by the Coanda effect. The strip 1 or the sheet 1a is smoothly transported to the next second transport means 3 and properly adsorbed on the airflow generated by the Coanda box 15.

  Note that the Coanda box 15 can be omitted if the sheet 1a does not flutter. Further, the Coanda box 15 can be arranged on the upper side of the traveling sheet 1a.

  As shown in FIG. 1, the second conveying means 3 receives the leading end of the band 1 just before the rotary cutter 4 cuts the band 1 and pulls it together with the first conveying means 2. When 1 is cut, the separated piece 1a is conveyed in the right direction in FIG. The second transport unit 3 is driven slightly faster than the first transport unit 2. As shown in FIG. 6B, the second conveying means 3 includes a thin endless belt 16 having a large number of small holes 16a for ventilation, and the belt 16 is along the traveling direction of the belt 1. As shown in FIG. These belts 16 are arranged between a drive shaft 17 and a driven shaft 18 that are arranged in a direction perpendicular to the traveling direction so that the lower traveling portion thereof is in contact with the upper surfaces of the strip 1 and the sheet 1a. And is driven at a speed slightly higher than the traveling speed of the belt 7 of the first conveying means 2. The drive shaft 17 is stretched between left and right frames (not shown) of the cutting and discharging device, and is rotated by the power from the rotary printing press. The belt 16 of the second transport unit 3 is moved from the belt 7 of the first transport unit 2. Drive at a slightly faster speed.

  As shown in FIG. 6 (A), a suction box 19 is arranged for each belt 16 of the second transport means 3, and suction ports 19 a, 19 b, 19 c, 19 d formed on the lower surface of each suction box 19. However, it faces the portion of the belt 16 of the second conveying means 3 that should come into contact with the sheet 1a from the back side. The suction ports 19a, 19b, 19c, and 19d are sequentially arranged along the traveling direction of the sheet 1a, and are formed so that the opening area becomes smaller from upstream to downstream. Specifically, the suction ports 19a, 19b, and 19c are long holes that are formed so that the opening area gradually decreases between them, and the suction ports 19d are arranged so that the pitch gradually increases between them. Round holes. For this reason, the suction force of the 2nd conveyance means 3 reduces as it goes downstream, and the restraint force with respect to the sheet | seat object 1a is loosened gradually. Each suction box 19 is connected to a blower (not shown) and exhausted by a suction action by the blower.

  As shown in FIGS. 1 and 7, the peeling member 5 is disposed on the downstream side of the second transport unit 3, and the sheet 1 a transported by the second transport unit 3 is transported to the second transport unit 3. It acts to peel the belt 3 of the means 3 downward from the belt 16. The peeling member 5 is specifically constituted by a brush, and is intermittently disposed on the drive shaft 20 passed between the left and right frames (not shown) so as to enter between the suction boxes 19 of the second conveying means 3. Yes. The peeling member 5 can also be constituted by a member such as a cam other than a brush. The peeling member 5 is rotated at the same rotational speed as the plate cylinder of the printing press. When the sheet 1a is conveyed by the second conveying means 3, it is formed at the rear end of the sheet 1a. The rear end part is peeled off from the surface of the belt 16 of the second conveying means 3 against the suction force of the second conveying means 3. Since the suction ports 19c and 19d of the suction box 19 are small in the vicinity of the peeling member 5, the suction force of the second transport means 3 is reduced, and the rear end of the sheet 1a is the second end. It is easily peeled off from the belt 16 of the transport means 3. The rear end portion of the peeled sheet 1a is received by the third transport means 6 and transported.

  In order to deliver the sheet 1a from the second conveying means 3 to the third conveying means 6 more smoothly and reliably, the contact position of the peeling member 5 with the sheet 1a is set to the sheet 1a. It is desirable to change slightly according to the material, speed, etc. Therefore, a phase changing means for shifting the phase of the peeling member 5 with respect to the sheet 1 a is provided in the driving portion of the peeling member 5. The phase changing means adopts a known configuration, and detailed description thereof is omitted.

  As shown in FIG. 1, the third transport unit 6 includes an endless belt 21, and a drive shaft 22 and a driven shaft 23 that stretch the belt 21 in the traveling direction of the sheet 1 a.

  The belt 21 of the third conveying means 6 is a tough thin belt provided with a large number of ventilation holes at a constant pitch in the width direction and the length direction, like the belt 16 of the second conveying means 3. A plurality of strips 1 are arranged in parallel along the traveling direction of the strip 1. These belts 21 are arranged so as to receive the sheet 1a from the lower surface thereof, and are hung between a driving shaft 22 on the start end side and a driven shaft 23 on the rear end side arranged in a direction perpendicular to the traveling direction. Then, the vehicle travels at a speed of, for example, about 1/10 to 1/20, which is lower than the traveling speed of the belt 16 of the second conveying means 3.

  As shown in FIG. 7, the drive shaft 22 on the start end side is formed as a suction roller, and a number of suction holes 22a are formed on the surface thereof. The drive shaft 22 is disposed directly below the peeling member 5. The drive shaft 22 is connected to a blower via a rotary joint (not shown), and sucks air from the suction hole 22a so as to attract the sheet 1a on the belt 16 of the second transport means 3. When the peeling member 5 peels off the sheet 1 a from the belt 16 of the second conveying means 3, the rear end of the sheet 1 a passes through the belt 21 of the third conveying means 6 and the surface of the drive shaft 22. To be adsorbed.

  Further, a suction box 24 is arranged at a position surrounded by the belt 21 of the third conveying means 6, and although not shown, the suction port faces the upper travel path of the belt 21 of the third conveying means 6 from the back side. Yes. The suction port is a long hole extending along the traveling direction of the sheet 1a, and the opening area is reduced toward the downstream side. Therefore, the suction force of the sheet 1a is also reduced toward the downstream. The suction box 24 is exhausted by a blower (not shown). The belt 21 of the third conveying means 6 travels at a lower speed than the belt 16 of the second conveying means 3 and receives and decelerates the sheet 1 a peeled off from the second conveying means 3. 1 is discharged onto the pallet 26 of the deposition unit 25 shown in FIG.

  As shown in FIG. 1, the accumulation unit 25 includes a pallet 26 that is suspended by a chain 27 and the like so as to be movable up and down. The pallet 26 is controlled by a control device (not shown) and descends as the amount of sheets 1a deposited increases. In addition, joggers 28 a and 28 b and a temporary receiving device 29 are provided on the upper portion of the deposition unit 25.

  The joggers 28a and 28b apply vibration to the single-piece 1a discharged from the third conveying means 6 onto the mountain 1b of the single-piece 1a to align their edges.

  When the peak 1b of the sheet 1a reaches a certain height, the temporary receiving device 29 advances the fork-shaped receiving member 29a from below the third conveying means 6 onto the peak 1b of the sheet 1a. In this case, the falling piece 1a is received. While receiving the succeeding sheet 1a with this temporary receiving device 29, the pile 1b of the already stacked sheets 1a is carried out of the machine, and a new pallet 26 is raised to just below the receiving member 29a. Then, the receiving member 29a is moved back to the original position, and the temporarily received sheet 1a is dropped onto the pallet 26. Thereafter, the sheet 1a is deposited on the pallet 26 in the same manner as the previous time.

  In particular, when the temporary receiving device 29 is provided in the stacking unit 25, a space for the receiving member 29a of the temporary receiving device 29 to enter and exit from the stacking unit 25 must be provided. The head H from 6 to the top of the sheet 1a on the mountain 1b increases, and the single sheet 1a is bent by simply discharging the sheet 1a from the third conveying means 6 onto the stacking portion 25. Cannot be stacked properly.

  Therefore, as shown in FIGS. 1 and 8, the first portion disposed above both sides of the stacking unit 25 in the direction (width direction of the sheet) perpendicular to the traveling direction of the discharged sheet 1 a. A guide section 60, a second guide section 70 provided on the downstream side of the first guide section 60, a Coanda box 30 installed so as to be connected to the belt 16 of the second transport means 3, and a single wafer. And a nozzle portion 80 arranged at a predetermined interval in the width direction of the object 1a.

  The first and second guide portions 60 and 70 are attached to a frame (not shown) of the cutting discharge device. As shown in FIGS. 1 and 8, the first guide portion 60 includes a plate-like guide body 61 formed to extend in the traveling direction of the sheet 1 a and is discharged through the Coanda box 30. The end face in the width direction of the leaf 1a is guided along the conveying direction of the leaf 1a. Further, as shown in FIG. 7, in the first guide portion 60, the guide main body 61 is connected to a drive motor M having a rotation mechanism via a connecting member 63.

  The drive motor M is connected to a connecting member 63 having a circular cross section via a gear including a predetermined gear group (not shown), and the connecting member 63 is connected in the width direction of the sheet 1a. It extends and is arranged. Although not shown in the drawing, a screw portion formed in a spiral shape along the axis is formed on the surface of the connecting member 63, and a meshing portion that meshes with the screw portion is formed in the guide main body 61. Then, the rotational driving force transmitted from the drive motor M to the connecting member 63 is converted into a linear motion, and the guide body 61 can move in the width direction of the sheet 1 a as the connecting member 63 rotates. And the width direction end surface of the sheet 1a is guided by adjusting the guide main body 61 to an appropriate position according to the shape of the conveyed sheet.

  On the other hand, as shown in FIG. 1, the second guide portion 70 includes a plate-like guide body 71 formed to extend in a direction orthogonal to the traveling direction of the single-piece 1 a and is discharged through the Coanda box 30. The tip of the piece 1a to be pressed is abutted against the guide main body 71 so as to drop the piece 1a onto the stacking portion 25. The guide body 71 is connected to a drive motor M having a rotation mechanism via a connecting member 73. Further, the drive motor M is connected to a connecting member 73 having a circular cross section via a gear including a predetermined gear group (not shown), and the connecting member 73 is a traveling direction of the sheet 1a. It extends and is arranged. Although not shown in the drawing, a threaded portion formed in a spiral shape along the axis is formed on the surface of the connecting member 73, and a meshing portion that meshes with the threaded portion is formed in the guide main body 71. Then, the rotational driving force transmitted from the drive motor M to the connecting member 73 is converted into a linear motion, and the guide body 71 is discharged in the direction in which the sheet 1a is discharged as the connecting member 73 rotates (of the sheet 1a. It is possible to move in the travel direction). Then, by adjusting the guide main body 71 to an appropriate position according to the shape of the conveyed sheet 1a, the movement of the sheet 1a discharged from the third conveying means 6 is prevented, and the stacking unit 25 is moved to. It is designed to guide you to drop it. Note that the guide main body 71 is rotatably attached to the connecting member 73.

  As shown in FIG. 9, the Coanda box 30 has a plurality of air ejection holes 30 a formed on the bottom surface so that air flows along the longitudinal direction of the box on the bottom surface of the elongated box. Corresponding to each of the belts 16 of the conveying means 3, it is arranged along the traveling direction of the sheet 1a. The air ejection holes 30a are arranged so that the pitch increases from the upstream side to the downstream side of the flow of the sheet 1a, and the flow velocity of the air decreases as it goes downstream. . As shown in FIG. 9 (A), when air is supplied from a blower (not shown) into the Coanda box 30, the air is fed from a large number of air ejection holes 30a along the bottom surface of the Coanda box 30. The sheet 1a is conveyed without fluttering under the Coanda box 30 due to the Coanda effect. Further, since the suction force of the Coanda box 30 decreases as it goes downstream, the tip of the sheet 1a gradually descends and comes into contact with the front jogger 28a. Thereby, even when the said head H in the deposition part 25 is large, the sheet 1a is stacked appropriately.

  The Coanda box 30 may be installed horizontally on the deposition unit 25, but is preferably installed so as to be inclined slightly downward as shown in FIG. For this reason, the sheet 1a descends at a more appropriate angle and comes into contact with the front jogger 28a.

  The nozzle unit 80 is attached to a frame (not shown) of the trimming discharge device. As shown in FIG. 8, the nozzle unit 80 includes a nozzle body 81 and a plurality of nozzles 82 branched from the nozzle body 81. The nozzle 82 has an opening serving as an air discharge port and is a flexible cylindrical tube that can be bent freely. The nozzle 82 is a contact that applies air to the sheet 1a depending on the material and size of the sheet 1a. The position and orientation of the opening with respect to the part can be changed. Then, air is supplied to the nozzle body 81 from an air supply device (not shown), for example, predetermined air is discharged vertically downward from the opening of the tip of the nozzle 82 with respect to the sheet 1a. The nozzle 82 is provided with a valve mechanism for adjusting the amount of air discharged from each nozzle 82, for example, and the amount of air is appropriately adjusted according to the material and size of the sheet 1a. The nozzle body 81 may be provided with a valve mechanism to adjust the amount of air discharged from each nozzle 82 at once. Further, as shown in FIG. 10, the nozzle body 81 is connected to a drive motor M having a rotation mechanism via a connecting member 83. Further, the drive motor M is connected to a connecting member 83 having a circular cross section through a gear including a predetermined gear group (not shown), and the connecting member 83 is a traveling direction of the sheet 1a. It extends and is arranged. Although not shown in the drawing, a threaded portion formed in a spiral shape along the axis is formed on the surface of the connecting member 83, and a meshing portion that meshes with the threaded portion is formed in each nozzle body 81. Then, the rotational driving force transmitted from the drive motor M to the connecting member 83 is converted into a linear motion, and the nozzle body 81 can be moved in the front-rear direction in the traveling direction of the sheet 1 a as the connecting member 83 rotates. Yes.

  And by discharging air from the Coanda box 30 and the nozzle 82 to the conveyed sheet 1a, it is possible to stack the sheets 1a more stably and stably even when the drop H is large. Become. Since the position of the nozzle 82 changes depending on the material and size of the sheet 1a, it is necessary to change the position as appropriate and also consider the discharge amount.

  In addition, the cutting discharge device according to the present embodiment includes an operation unit (not shown) that receives a user operation, and a control device that comprehensively controls the cutting discharge device based on information received by an operation of the operation unit by the user. I have. The operation unit is for setting the shape (cut length, etc.) of the sheet desired by the user. The control device is electrically connected to a device necessary for driving the cutting discharge device, such as a driving motor of the cutting discharge device, and controls the rotation speed of the device based on setting information received by the operation unit. .

  The control device includes a central processing unit (CPU) having a calculation function, a working RAM, and a ROM that stores various data and programs. The CPU executes various programs stored in the ROM, for example, thereby controlling each unit and overall controlling the entire cutting and discharging apparatus.

  The control device of the cutting and discharging apparatus according to the present embodiment sets the desired shape or the like of the single-piece object 1a by operating the operation unit by the user, and based on the setting, the band-like object 1 by the first conveying means 2 is set. The conveyance speed (rotational speed of the drive shaft 8) is controlled. At that time, the moving amount of the casing 40 is controlled using the drive motor 53 of the moving mechanism 50 based on the conveyance speed, and the inclination (position) of the rotary cutter 4 with respect to the strip 1 is controlled (adjusted). Yes. Further, the drive motor M of the first and second guide portions 60 and 70 is controlled in accordance with the size of the single wafer defined based on the conveyance speed and the inclination of the rotary cutter 4, and cutting is performed by the rotary cutter 4. The movement amounts (positions) of the guide main bodies 61 and 71 are controlled (adjusted) in accordance with the size of the single piece discharged. Further, the amount of air discharged from the nozzle 82 and the amount of air discharged from the Coanda box 30 can be controlled, and the movement amount (position) of the nozzle 82 can be controlled by controlling the drive motor M.

  Next, an initial setting process for obtaining a sheet having a desired cut length will be described.

  First, the shape of the piece desired by the user is set using the operation unit.

  Next, the drive motor 53 of the moving mechanism 50 is driven and controlled according to the transport speed of the strip 1 in the first transport means 2 defined based on the set information, and the position of the rotary cutter 4 with respect to the strip 1 Adjust.

  Further, based on the set information, the drive motors M of the first and second guide portions 60 and 70 are driven to adjust the positions of the guide main bodies 61 and 71 with respect to the belt-like object 1, and the initial setting process is performed. finish.

  According to the cutting and discharging apparatus set in this way, the belt-like object is appropriately cut, and the sheet material is appropriately guided by the first and second guide parts and deposited in the deposition part.

  Next, a series of operations of the cutting and discharging apparatus subjected to the initial setting process will be described.

  The strip 1 is transported to the rotary cutter 4 by the first transport means 2, and the rotary cutter 4 cuts the strip 1 with a predetermined cut length every time it rotates once. At the time of this cutting, the leading end of the strip 1 passes through the rotary cutter 4 before entering the cutting state, enters under the belt 16 of the second conveying means 3 and is sucked to the upstream side of the second conveying means 3. The For this reason, the strip 1 is pulled between the second transport means 3 and the first transport means 2 with an appropriate force. The strip 1 is cut by the rotary cutter 4 immediately after that.

  The belt 16 of the second conveying means 3 travels at a slightly higher speed than the belt 7 of the first conveying means 2, so that there is a gap between the rear end of the separated sheet 1 a and the front end of the strip 1. There is a gap. Thereby, it is possible to prevent the tip of the succeeding sheet 1a from colliding with the rear end of the preceding sheet 1a.

  When the cut sheet 1a is transported above the third transport means 6 by the second transport means 3, the peeling member 5 pushes the rear end portion of the sheet 1a to the second transport means 3. The belt 16 is peeled off against the suction force and pressed onto the driving roller 22 of the third conveying means 6 as shown in FIG. The rear end portion of the sheet 1a is curved following the surface of the driving roller 22, so that the leading edge of the subsequent sheet 1a does not sink under the preceding sheet 1a but behind the preceding sheet 1a. Pass over the edge. The single wafer 1a adsorbed by the drive roller 22 is also adsorbed on the belt 21 and discharged onto the stacking portion 25 in a decelerated state.

  The tip of the sheet 1 a that has come out of the belt 21 of the third conveying means 6 at a low speed is captured by the Coanda box 30 and travels along the bottom surface of the Coanda box 30. At that time, a predetermined amount of air is discharged from the nozzle 82 in the vertical direction. Thus, by discharging the air from the nozzle 82 in the vertical direction together with the discharge of the air by the Coanda box 30, the both ends of the sheet 1 a are guided by the first guide members 61 so as to gradually lower the head. However, the tip portion of the sheet 1 is abutted against the second guide member 71, falls, and is stably deposited on the mountain 1 b of the sheet 1 a without being bent or bent.

  When the crest 1b of the sheet 1a reaches a certain height, the receiving member 29a of the temporary receiving device 29 advances from below the third conveying means 6 onto the crest 1b of the sheet 1a and drops. Receive leaf 1a. While receiving the succeeding sheet 1a with this temporary receiving device 29, the pile 1b of the already stacked sheets 1a is carried out of the machine, and a new pallet 26 is raised to just below the receiving member 29a. Then, the receiving member 29a is moved back to the original position, and the temporarily received single wafer 1a is dropped onto the pallet 26.

  Thereafter, the sheet 1a is deposited on the pallet 26 in the same manner as the previous time.

  In addition, the said embodiment is one form, Comprising: It is not limited to this form. For example, in the present embodiment, the strip 1 is supplied from a rotary printing press, but the present invention can also be applied to a single cutting discharge device. In this case, needless to say, a paper feeding device or the like for supplying the belt-like object to the cutting and discharging device is necessary.

  Further, in the actual child form, the belt-like object 1 and the sheet material 1a are transported using a belt and suction. However, the belt-like object 1 and the sheet material are simply transported by a roller or the like using a known technique. You may make it convey 1a. In such a case, the cutting / discharging device cuts at least the conveying means (the first conveying means of the present application) for conveying the strip 1 to the rotary cutter 4 and the rotary cutter 4 at a higher speed than the conveying means. It is only necessary to include transporting means (second transporting means of the present application) that can transport the single wafer 1a that has been transported to the stacking unit 25. The nozzle 82 may be attached to the nozzle body 81 so that the position and orientation of the opening can be freely set.

DESCRIPTION OF SYMBOLS 1 ... Band-shaped object 1a ... Single wafer 2 ... 1st conveyance means 3 ... 2nd conveyance means 4 ... Rotary cutter 6 ... 3rd conveyance means 25 ... Deposition part 50, 50a ... Moving mechanism 60 ... 1st guide Part 70 ... Second guide part 82 ... Nozzle

Claims (4)

  A first conveying means for conveying the belt-like object, a rotary cutter for cutting the belt-like object to obtain a sheet material, a second conveying means for conveying the sheet material cut by the rotary cutter, and the second A cutting and discharging apparatus including a stacking unit for stacking single sheets discharged from the transport unit, and receiving a starting end portion of the single sheet transported by the second transport unit on the stacking unit and gradually sucking force A cutting / discharging device, wherein a Coanda box for transporting to a depositing portion while lowering is installed, and a nozzle for discharging air to the upper surface of the sheet is installed. In the cutting discharge device according to claim 1,
The cutting discharge device characterized in that the nozzle has an opening for blowing air toward the sheet, and the position and direction of the opening with respect to the contact portion that applies air to the sheet can be freely set. . In the cutting discharge device according to claim 1 or 2,
A cutting and discharging apparatus comprising a moving means for moving the nozzle in the conveying direction of the sheet. In the cutting discharge device according to any one of claims 1 to 3,
A cutting discharge device comprising an air amount adjusting means for adjusting the amount of air discharged from the nozzle.

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