JP5319164B2 - Stacking equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stacking device capable of executing consistent sheet feeding. <P>SOLUTION: The stacking device 1 has an article group feed means 11 for dropping an article group W arrayed in a predetermined array pattern from a drop opening part 10 and feeding the group. The article group W dropping from the drop opening part 10 is received by an elevating/lowering platform 12, and the article group W is stacked on the elevating/lowering platform 12. The stacking device 1 has a sheet feed means 13 for feeding sheets S on the article group W on the elevating/lowering platform 12 below the drop opening part 10. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a stacking apparatus that can stably supply sheets.

  Conventionally, for example, a stacking device described in Patent Document 1 below is known.

This conventional stacking apparatus includes an article group supply means for supplying an article group arranged in a predetermined alignment pattern by dropping it from a drop opening by retracting a running roller, and an article group falling from the drop opening. The lifting / lowering means for stacking the articles up to the preset number of receiving stages, and moving the articles from the layer conveyor to the running roller with the end of the sheet protruding between the layer conveyor and the running roller The sheet supply means for supplying the sheet so as to lay the sheet on the lower surface side of the group of articles.
JP-A-6-115696

  However, in the configuration in which the sheet is laid on the lower surface side of the article group on the running roller of the article group supply means as in the conventional stacking device, for example, in the case of a relatively thick sheet, the article group is When moving to the edge of the sheet, the sheet is bent and wrinkles are generated on the sheet, and in the case of a relatively thin sheet, a problem such as the sheet being caught by the running roller occurs. There is a possibility that a stable sheet cannot be supplied.

  The present invention has been made in view of these points, and an object of the present invention is to provide a stacking apparatus that can stably supply sheets regardless of the thickness of the sheets.

The stacking apparatus according to claim 1 receives an article group supply unit that supplies an article group that is aligned in a predetermined alignment pattern by being lowered from the opening, and an article group that is supplied by the article group supply unit. Elevating means for stacking product groups; and sheet supply means for supplying sheets onto the article group on the elevating means below the opening, wherein the sheet supplying means includes a sheet holding position and a sheet holding release. A movable body that can be moved to a position, and provided in the movable body for sucking and holding a sheet when the movable body is located at a sheet holding position, and the opening when the movable body is located at a sheet holding release position. A sheet supply body for supplying a sheet onto the article group on the elevating means by releasing the suction holding of the sheet below the section, and the sheet is moved by moving the movable body to the sheet holding release position. In which the sheet sucked held by the sheet member is transported from the side which is located in its horizontal position below the opening.

The stacking apparatus according to claim 2 is the stacking apparatus according to claim 1, wherein the movable body is movable along the horizontal direction at a position below the opening.

The stacking apparatus according to claim 3 receives an article group supply unit that supplies an article group that is arranged in a predetermined alignment pattern while being lowered from the opening, and an article group that is supplied by the article group supply unit. Elevating means for stacking product groups; and sheet supply means for supplying sheets onto the article group on the elevating means below the opening, wherein the sheet supplying means includes a sheet holding position and a sheet holding release. A movable body that can be moved to a position, and provided in the movable body for sucking and holding a sheet when the movable body is located at a sheet holding position, and the opening when the movable body is located at a sheet holding release position. a stacking apparatus and a sheet supply member for supplying a sheet on a group of articles on said elevating means by releasing the sucking and holding of the sheets in the lower parts, said sheet feeding member is rotating in the moving body Movement And is in a non-opposing state that does not face the sheet by turning in the other direction, and the movable body is in the sheet holding release position. at position state, when the sheet feeding member is non-facing state, the lifting means is to increase until the article group receiving position to receive a group of articles.

The stacking apparatus according to claim 4 receives an article group supply means for supplying an article group arranged in a predetermined alignment pattern by descending from the opening, and an article group supplied by the article group supply means, Elevating means for stacking product groups; and sheet supply means for supplying sheets onto the article group on the elevating means below the opening, wherein the sheet supplying means includes a sheet holding position and a sheet holding release. A movable body that can be moved to a position, and provided in the movable body for sucking and holding a sheet when the movable body is located at a sheet holding position, and the opening when the movable body is located at a sheet holding release position. a stacking apparatus and a sheet supply member for supplying a sheet on a group of articles on said elevating means by releasing the sucking and holding of the sheets in the lower parts, located in the moving body sheet holding release position When the state in, a seat receiving means for supporting a sheet which is sucked and held by the sheet supply member from below, the sheet receiving means, said sheet feeding member simultaneously with the suction holding release of the sheet by the lower supporting sheet It is a thing to cancel.

According to the first aspect of the present invention, since the sheet supply unit supplies the sheet onto the article group on the lifting unit below the opening, the sheet can be stably supplied regardless of the thickness of the sheet. In addition, when the moving body is in the sheet holding position, the sheet is sucked and held, and when the moving body is in the sheet holding releasing position, the sheet is held under the opening to release the suction holding of the sheet. Stable sheet supply can be performed by a sheet supply body that supplies sheets onto the group of articles.

According to the third aspect of the present invention, since the sheet supply unit supplies the sheet onto the article group on the lifting unit below the opening, the sheet can be stably supplied regardless of the thickness of the sheet. In addition, when the moving body is in the sheet holding position, the sheet is sucked and held, and when the moving body is in the sheet holding releasing position, the sheet is held under the opening to release the suction holding of the sheet. The sheet supply body that supplies the sheet onto the group of articles can stably supply the sheet, and when the sheet supply body is in a non-opposing state when the movable body is positioned at the sheet holding release position, the lifting means receives the group of articles. Since it moves up to the article group receiving position, the article group can be supplied from the opening before the moving body returns to the sheet holding position to hold the next sheet, and work efficiency can be improved. It can be.

According to the fourth aspect of the present invention, since the sheet supply unit supplies the sheet onto the article group on the lifting unit below the opening, the sheet can be stably supplied regardless of the thickness of the sheet. In addition, when the moving body is in the sheet holding position, the sheet is sucked and held, and when the moving body is in the sheet holding releasing position, the sheet is held under the opening to release the suction holding of the sheet. The sheet supply body that supplies the sheet onto the group of articles can stably supply the sheet. Further, by supporting the sheet from below by the sheet receiving means, for example, it is possible to prevent the sheet from being largely bent by its own weight.

  An embodiment of the stacking apparatus of the present invention will be described with reference to the drawings.

  1 to 4, reference numeral 1 denotes a stacking device. The stacking device 1 includes, for example, a group of articles W arranged in a predetermined alignment pattern from a plurality of articles (such as cardboard boxes) W1 having a substantially rectangular parallelepiped shape. The palletizer is configured to stack the formed article group W on the pallet P and carry out the stacked article group W together with the pallet P. Further, in order to prevent the collapse of the load, this stacking apparatus 1 is a rectangular sheet, for example, a substantially rectangular sheet (corrugated cardboard), between the pallet P and the lowest article group W and between the upper and lower adjacent article groups W. Sheets etc.) Sheets are fed while stacking the article group W so that S is interposed.

  As shown in FIG. 4, the stacking apparatus 1 arranges an article group W1 by aligning it in a predetermined alignment pattern while conveying the article W1 from the article carrier 2 and conveying the article W1. And an article group forming means 3 for conveying the article group W thus formed. The article group forming means 3 includes a direction changing section 4, an alignment pattern forming section 5, an article group forming section 6, and the like.

  Further, as shown in FIGS. 1 to 4, the stacking apparatus 1 receives the article group W from the article group forming means 3 and conveys it onto the drop opening 10 that is an opening, and then drops the article group W. The article group supply means 11 that is supplied by being lowered or dropped from the opening 10 and the article group W that is dropped and supplied by the article group supply means 11 are received and the article group W is placed on the pallet P up to a preset number of steps. A lifting platform (elevator fork) 12 which is a lifting means that can be moved up and down stacked on the pallet P, and an article already stacked on the pallet P on the lifting platform 12 below the drop opening 10 Sheet supply means 13 for supplying sheets S one by one on the group W is provided.

  The article group supply means 11 is a guide that guides the fall of the article group W by contacting an opening / closing body 21 such as a carriage that opens and closes the drop opening 10 and the outer periphery of the four surfaces of the article group W when the opening / closing body 21 is opened. And a body 22.

  The opening / closing body 21 is constituted by a plurality of carriage rollers 23, for example. When the opening / closing body 21 moves to the drop opening 10, the open / close body 21 is closed to close the drop opening 10 by the closing operation and is opened to open the drop opening 10 by the opening operation to retreat from the drop opening 10. It becomes a state. In the closed state, the opening / closing body 21 receives the article group W from the article group forming means 3 and transports it to the drop opening 10, and waits in a state where the article group W is supported from below until a predetermined supply timing. When the predetermined supply timing is reached, the opening / closing body 21 is opened to release the lower support of the article group W, and the article group W is placed on the pallet P on the lifting platform 12 from the drop opening 10 or on the pallet P. It is dropped toward the article group W already stacked.

  The guide body 22 is, for example, a front guide 25 that comes into contact with the front surface of the article group W (the front surface in the conveyance direction by the opening / closing body 21), and a rear surface that comes into contact with the rear surface of the article group W (the rear surface in the conveyance direction by the opening / closing body 21). The guide 26 is composed of a side guide 27 and the like that come into contact with the left and right side surfaces of the article group W (the left and right sides in the conveying direction by the opening / closing body 21).

  The rear guide 26 is pivotable in the vertical direction about the horizontal axis 28, is in a retracted state retracted from the moving region of the article group W by upward rotation, and contacts the rear surface of the article group W by downward rotation. It becomes a guide state to do. Further, the side guide 27 is in a guide state in contact with the side surface of the article group W and a retracted state away from the article group W side by horizontal movement.

  The lifting platform 12 can be moved up and down with respect to the machine frame 31 in the stacking region, which is the lower region of the drop opening 10, and the article group W falling from the drop opening 10 in a state of being located at the article group receiving position. Is received via the pallet P or the group of articles W already stacked on the pallet P. The elevator 12 receives the sheet S supplied from the sheet supply unit 13 in a state where the elevator 12 is located at a sheet receiving position below the article group receiving position. The stacking area is an area where the article group W is stacked on the lifting platform 12.

  The lifting platform 12 is attached to an attachment frame 33 that moves up and down along a vertically extending guide rail portion 32 fixed to the machine casing 31. The raising / lowering driving means 34 for raising and lowering the mounting frame 33 is constituted by, for example, a motor 35, a wire 36, a weight 37, and the like.

  When the article group W having a set number of stages is stacked on the pallet P placed on the upper surface of the elevator platform 12, the elevator table 12 is lowered to the lower-most article group unloading position. Transfer to the actual pallet unloading conveyor 38 which is a group unloading means. Then, the set number of article groups W is unloaded together with the pallet P by the actual pallet unloading conveyor 38 for the next process. In addition, an empty pallet P is carried on the elevator 12 by an empty pallet carrying conveyor 39.

  The sheet supply means 13 includes a moving body 41 such as an attachment frame that is movable along a horizontal direction to a sheet holding position, a sheet holding release position, and a standby position between these positions, and a vertical axis on the moving body 41. 43 is provided so as to be rotatable in the horizontal direction around 43, and the sheet S is sucked and held when the movable body 41 is located at the sheet holding position, and the sheet S held by the suction is held by the movement of the movable body 41. Is moved up to the sheet holding release position and lifted by releasing the suction holding of the sheet S under the drop opening 10 (below the closed opening / closing body 21) when the moving body 41 is in the sheet holding release position. A plurality of, for example, four suction holding means 42 for supplying and feeding sheets S on a pallet P on a table 12 or an article group W already stacked on the pallet P; Have .

  In addition, below the transfer area where the sheet S is transferred by the sheet supply body 42, a fall prevention means 57 that receives the sheet S when the sheet S falls from the sheet supply body 42 during the transfer of the sheet S. Is arranged. The fall prevention means 57 is constituted by a plurality of, for example, three rod members 58 having a longitudinal direction in the sheet transfer direction A, for example.

  The moving body 41 is attached to an endless body 46 such as a belt that is rotated by power from a drive source 45 such as a motor, and moves to the sheet holding position, the standby position, and the sheet holding releasing position by the rotation of the endless body 46. Further, as shown in FIG. 3, the moving body 41 is fitted with a guide rail portion 47 fixed to a frame portion 44 that is spaced apart from each other and slides along the guide rail portion 47. A fitting part 48 is provided. The endless body 46 is stretched around a rotating body 49 such as a plurality of pulleys provided rotatably on the frame portion 44.

  Each of the four sheet supply bodies 42 sucks and holds the corner portion of the sheet S, and two sheets located on both sides of the sheet S in the transport direction A form a set. The two sheet supply bodies 42 forming a set are connected by a connection link 50 and are simultaneously rotated by power from a drive source 51 such as one air cylinder.

  Each sheet supply body 42 is opposed to the sheet S by rotating in one direction around the shaft 43, and is not opposed to the sheet S by rotating in the other direction around the shaft 43. It becomes a non-opposing state. For this reason, when the sheet supply body 42 is in a non-opposing state when the movable body 41 is in the sheet holding release position, the lifting platform 12 can rise to the article group receiving position where the article group W is received.

  Further, as shown in FIG. 3, each sheet supply body 42 includes a frame portion 53 attached to the movable body 41 so as to be rotatable about a shaft 43, and a vertical direction attached to the frame portion 53. The lifting / lowering cylinder part 54 which is an extendable extension / contraction drive part, and the suction holding part 55 attached to the rod of the lifting / lowering cylinder part 54 to suck and hold the corner of the sheet S are provided. The suction holding unit 55 is composed of, for example, a vacuum cup connected to a vacuum generator or the like, and moves up and down by the expansion and contraction of the lifting cylinder unit 54.

  Further, the stacking apparatus 1 includes a sheet lifting platform 62 that is a sheet lifting mechanism that can be moved up and down with respect to the machine casing 61. The seat lifting platform 62 is attached to a mounting frame 64 that moves up and down along a longitudinally extending guide rail portion 63 fixed to the machine casing 61. The raising / lowering driving means for raising and lowering the mounting frame 64 is constituted by, for example, a motor, a wire, a weight, and the like.

  A sheet pallet P1 in which a plurality of sheets S are stacked is carried on the carry-in conveyor 65 on the sheet elevator 62, and the empty sheet pallet P1 is carried out on the carry-out conveyor 66. The sheet supply body 42 sucks and holds the sheets S on the sheet lifting platform 62 one by one in order from the top.

  Next, the operation of the stacking apparatus 1 will be described.

  5 (a) and 5 (b), the sheet group W loaded from the article group forming means 3 stands by on the open / close body 21 in the closed state, and is sucked and held horizontally by the sheet supply body 42. A state is shown in which S stands by below the closed opening / closing body 21, that is, below the drop opening 10, and the lift 12 is positioned at the sheet receiving position for receiving the sheet S. In this state, the moving body 41 is located at the sheet holding release position.

  In this state, when the sheet supply body 42 releases the suction holding of the sheet S, the sheet S is separated from the sheet supply body 42 and dropped, and is placed and supplied onto the pallet P on the lifting platform 12. That is, the sheet S is supplied to the pallet P on the lifting platform 12 at a position below the drop opening 10.

  Thereafter, as shown in FIGS. 6A and 6B, in a state where the moving body 41 is located at the sheet holding release position, the sheet supply body 42 is turned from the opposed state to the non-opposed state by the rotation, and the pallet P Retreat from the upper position of the upper sheet S.

  Then, as shown in FIGS. 7A and 7B, the lifting platform 12 is raised to a position above the sheet supply body 42 and to an article group receiving position for receiving the article group W. That is, the lifting platform 12 opens the sheet S on the pallet P on the lifting platform 12 or the sheet S on the uppermost article group W when the article group W is already stacked on the pallet P. Ascend to the article group receiving position located near the part 10.

  Thereafter, as shown in FIGS. 8A and 8B, the opening 21 is opened when the opening / closing body 21 is changed from the closed state to the open state, so that the article group W has the opened opening. It descends and falls from 10 and is placed and supplied onto the sheet S placed on the pallet P on the elevator 12.

  Further, the moving body 41 moves to the sheet holding position, and the sheet supply body 42 changes from the non-opposing state to the opposing state by rotation. Then, the sheet supply body 42 in an opposed state sucks and holds the sheet S.

  Here, the case where the sheet S is sucked and held by the sheet supply body 42 will be described in detail. The sheets S stacked on the sheet pallet P are conveyed to a predetermined position by the carry-in conveyor 65, and As a result of the rise, the upper surface of the uppermost sheet S rises to just before the sheet top when the sheet is fed by the sheet supply body 42. Thereafter, the suction holding unit 55 of the sheet supply body 42 that has been waiting in the sheet heaven (sheet transfer height) at the time of sheet transfer is lowered until it contacts the upper surface of the uppermost sheet S, and the sheet S is sucked and held. To do. Then, the suction holding unit 55 that sucks and holds the sheet S returns to the sheet top when the sheet is transferred, and then moves horizontally with the moving body 41 to transfer the sheet S.

  The seat lift 62 is raised and stopped when a predetermined time elapses after a sensor such as a photoelectric switch is turned on. The upper surface of the uppermost sheet S is raised and stopped at a position 25 mm above the sensor position, for example. Is set to The suction holding unit 55 is set so that the lower surface thereof descends and stops at a position 5 mm below the sensor position, for example. Then, it rises again when the sensor is turned off, and stops rising when a predetermined time elapses after the sensor is turned on. The suction holding unit 55 has an absorbing means such as a spring that absorbs the pressing force to the sheet S when in contact with the sheet S, and a vacuum switch that detects suction holding of the sheet S.

  After the sheet S is sucked and held by the sheet supply body 42, the moving body 41 moves to the standby position together with the sheet supply body 42 that sucks and holds the sheet S, as shown in FIGS. 9 (a) and 9 (b). Then, the lift 12 is lowered to the sheet receiving position which is a position below the sheet supply body 42 without interfering with the sheet supply body 42.

Next, as shown in FIGS. 10A and 10B, the moving body 41 moves to the sheet holding release position together with the sheet supply body 42 that sucks and holds the sheet S, and this movement causes the sheet S to fall. Ru is transferred to a position below the 10.

  When the sheet supply body 42 releases the suction holding of the sheet S in a state where the moving body 41 is located at the sheet holding release position, the sheet S is separated from the sheet supply body 42 and falls, Placed and supplied on the article group W. That is, the sheet S is supplied to the article group W on the lifting platform 12 at a position below the drop opening 10.

  Next, as shown in FIGS. 11A and 11B, in a state in which the moving body 41 is located at the sheet holding release position, the sheet supply body 42 changes from the opposed state to the non-opposed state by rotation, and the article group Retreat from the upper position of the sheet S on W, and then the lifting platform 12 rises to the temporary stop position.

  This temporary stop position is a position slightly below the next article group receiving position, and when the lifting platform 12 is in this temporary stop position, the opening / closing body 21 is closed from the open state to the closed state and dropped. Close the opening 10. For this reason, the article group W, the sheet S, and the like on the lifting platform 12 are not adversely affected by the closing operation of the opening / closing body 21. Then, the next article group W is carried in and supplied from the article group forming means 3 onto the open / close body 21 in the closed state.

  Also, as shown in FIGS. 12A and 12B, the moving body 41 moves to the sheet holding position when the lifting platform 12 is in the temporary stop position.

  Next, as shown in FIGS. 13A and 13B, in a state where the moving body 41 is positioned at the sheet holding position, the sheet supply body 42 is changed from the non-opposing state to the opposing state by rotation. Further, the lift 12 is raised to the article group receiving position for receiving the next article group W.

  Thereafter, as shown in FIGS. 14 (a) and 14 (b), the sheet supply body 42 sucks and holds the sheet S, and when the opening / closing body 21 is changed from the closed state to the open state by the opening operation, the drop opening 10 The next article group W falls from the opened drop opening 10 and is placed and supplied on the sheet S on the article group W stacked on the pallet P on the lifting platform 12.

  Next, as shown in FIGS. 15A and 15B, the moving body 41 moves to the standby position together with the sheet supply body 42 that sucks and holds the sheet S. Then, the lift 12 is lowered to the next sheet receiving position without interfering with the sheet supply body 42.

  By repeating such an operation, the plurality of article groups W are stacked on the pallet P until the set number of stages is reached. When the set number of article groups W is stacked on the pallet P on the elevator platform 12, the elevator table 12 is lowered to the lower-limit article group carrying position, and the set item number W is the same as the pallet P. It is carried out for the next process by the pallet carry-out conveyor 38. In addition, an empty pallet P is carried on the lifting platform 12 by an empty pallet carrying conveyor 39, and the above-described stacking operation is performed.

  And according to such a stacking apparatus 1, since it is the structure provided with the sheet | seat supply means 13 which supplies the sheet | seat S on the pallet P on the lifting platform 12 and the goods group W under the fall opening part 10, sheet | seat A stable sheet can be supplied regardless of the thickness of S. That is, for example, the sheet S is not bent and the sheet S is not wrinkled, and the sheet S is not wound on the carriage roller 23 or the like. In addition, since the sheet is supplied below the drop opening 10, a sheet S having a plane size larger than the plane size of the article group W can be supplied.

  Further, the sheet S is sucked and held when the moving body 41 of the sheet supply means 13 is located at the sheet holding position, and the sheet S is sucked and held below the drop opening 10 when the moving body 41 is located at the sheet holding release position. The sheet supply body 42 that supplies the sheet by canceling the state enables more stable sheet supply.

  Further, when the sheet supply body 42 is in a non-opposing state when the movable body 41 is in the sheet holding release position, the lifting platform 12 moves up to a predetermined article group receiving position for receiving the article group W. Before the movable body 41 returns to the sheet holding position for holding the next sheet S, the article group W can be dropped and supplied from the drop opening 10 by the opening operation of the opening / closing body 21, and the working efficiency can be improved. .

  In the above-described embodiment, the configuration has been described in which the four sheet supply bodies 42 are used to suck and hold the four corners of the sheet S to hold the sheet S horizontally. For example, FIG. 16 and FIG. As shown, the sheet S may be held by sucking and holding only the front side in the transport direction of the sheet S, that is, for example, two corners on the front side, using a plurality of, for example, two sheet supply bodies 42.

  The stacking apparatus 1 has an edge on the rear side in the transfer direction of the sheet S that is sucked and held only on the front side in the transfer direction of the sheet S by the sheet supply body 42 when the movable body 41 is located at the sheet holding release position. The sheet receiving means 71 for supporting the sheet from below is provided, and the sheet receiving means 71 releases the lower support of the sheet S at the same time as the sheet supply body 42 sucks and holds the sheet S. Further, the stacking apparatus 1 includes sheet support means 72 that supports the rear side in the transfer direction of the sheet S from below and maintains the sheet S in a horizontal state when the sheet S is transferred by the sheet supply body 42.

  The sheet receiving means 71 includes, for example, a plurality of, for example, two expansion / contraction drive cylinder sections 74 attached to the frame section 73 and capable of expanding and contracting along the horizontal direction A of the sheet S, and rods of the cylinder sections 74. And a sheet receiving portion 75 that supports the sheet S from below.

  The sheet receiving portion 75 enters an advanced state in which the cylinder portion 74 extends into the stacking region by the extending operation of the cylinder portion 74, and enters a retracted state in which the sheet receiving portion 75 retracts from the stacking region by the contracting operation of the cylinder portion 74. Then, the sheet receiving portion 75 supports the edge portion on the rear side in the transport direction of the sheet S from below at the advanced state, and when the sheet receiving portion 75 is in the retracted state simultaneously with the release of the suction and holding of the sheet S by the sheet supply body 42. The lower support is released and the sheet S is dropped. Further, the sheet support means 72 is configured by a plurality of, for example, three rod members 77 having a longitudinal direction in the sheet transfer direction A, for example. Each bar member 77 is disposed horizontally below the transfer region where the sheet S is transferred by the sheet supply body 42. An inclined portion 77a that is inclined downward is formed at the end of each bar member 77 opposite to the stacked region side. Sheet receiving means 71 is disposed between adjacent bar members 77.

  Further, the stacking apparatus 1 is not limited to a configuration in which the sheet supply body 42 is rotatably provided on the moving body 41. For example, as shown in FIG. A fixed configuration may be used. The sheet supply body 42 has a plurality of, for example, three suction holding portions 55 that suck and hold the front side of the sheet S in the transfer direction. Each suction holding portion 55 is attached to a rod of an elevating cylinder portion 54 attached to a frame portion 53 fixed to the moving body 41. In this configuration, after the sheet supply body 42 is retracted from the stacking region, the lifting platform 12 is raised to the article group receiving position.

  Further, for example, as shown in FIG. 19, a plurality of, for example, two sheet supply bodies 42 may be fixed to the moving body 41. One sheet supply body 42 has a plurality of, for example, three suction holding portions 55 for sucking and holding the front side of the sheet S in the transfer direction, and the other sheet supply body 42 is a plurality of sucking and holding the rear side in the transfer direction of the sheet S. For example, three suction holding portions 55 are provided. In this configuration, the sheet receiving means 71 and the sheet supporting means 72 are not necessary.

  Further, the opening / closing body 21 that opens and closes the drop opening 10 may have a configuration using a carriage plate, for example.

  Further, the sheet supply body 42 is not limited to the configuration in which the suction holding unit 55 is moved up and down by the operation of the lifting cylinder 54, and may be configured such that the suction holding unit 55 does not move up and down, for example.

  In the embodiment shown in FIG. 2, the configuration in which the two sheet supply bodies 42 forming a set are connected by the connecting link 50 and rotated in the same direction has been described. For example, the two sheet supply bodies forming the set A configuration may also be adopted in which 42 rotates in the opposite direction.

It is a front view of the stacking apparatus which concerns on one embodiment of this invention. It is AA sectional drawing of FIG. It is a partial top view of the same stacking apparatus. It is a whole top view of the same stacking apparatus. It is operation | movement explanatory drawing of a same stacking apparatus. FIG. 6 is an operation explanatory diagram following FIG. 5. It is operation | movement explanatory drawing following FIG. FIG. 8 is an operation explanatory diagram following FIG. 7. FIG. 9 is an operation explanatory diagram following FIG. 8. FIG. 10 is an operation explanatory diagram following FIG. 9. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is operation | movement explanatory drawing following FIG. It is a front view of the stacking apparatus which concerns on other embodiment of this invention. It is AA sectional drawing of FIG. It is a figure which shows the modification of a sheet supply means. It is a figure which shows another modification of a sheet supply means.

1 stacking device
10 Drop opening that is an opening
11 Goods supply means
12 Lifting platform
13 Sheet supply means
41 mobile
42 Sheet feeder
71 Sheet receiving means W Article group S Sheet

Claims (4)

Article group supply means for supplying the article group aligned in a predetermined alignment pattern by lowering from the opening;
Lifting means for receiving the article group supplied by the article group supply means and stacking the article group;
Sheet supply means for supplying a sheet onto an article group on the lifting means below the opening,
The sheet supply means includes
A movable body movable between a sheet holding position and a sheet holding release position;
Provided in this moving body, sucks and holds the sheet when the moving body is located at the sheet holding position, and releases the suction holding of the sheet below the opening when the moving body is located at the sheet holding release position. A sheet supply body for supplying a sheet onto an article group on the lifting means,
The sheet sucked and held by the sheet supply body is transferred to the position below the opening from the side located in the horizontal direction by the movement of the movable body to the sheet holding release position. Stacking equipment. The stacking apparatus according to claim 1, wherein the movable body is movable along the horizontal direction at a position below the opening. Article group supply means for supplying the article group aligned in a predetermined alignment pattern by lowering from the opening;
Lifting means for receiving the article group supplied by the article group supply means and stacking the article group;
Sheet supply means for supplying a sheet onto an article group on the lifting means below the opening,
The sheet supply means includes
A movable body movable between a sheet holding position and a sheet holding release position;
Provided in this moving body, sucks and holds the sheet when the moving body is located at the sheet holding position, and releases the suction holding of the sheet below the opening when the moving body is located at the sheet holding release position. A stacking apparatus having a sheet supply body for supplying sheets onto the group of articles on the lifting means,
The sheet supply body is rotatably provided on the movable body, and is opposed to face the sheet when rotated in one direction, and is not opposed to the sheet when rotated in the other direction. And
The stacking apparatus, wherein when the sheet supply body is in a non-opposing state when the movable body is in the sheet holding release position, the elevating means moves up to an article group receiving position for receiving the article group. Article group supply means for supplying the article group aligned in a predetermined alignment pattern by lowering from the opening;
Lifting means for receiving the article group supplied by the article group supply means and stacking the article group;
Sheet supply means for supplying a sheet onto an article group on the lifting means below the opening,
The sheet supply means includes
A movable body movable between a sheet holding position and a sheet holding release position;
Provided in this moving body, sucks and holds the sheet when the moving body is located at the sheet holding position, and releases the suction holding of the sheet below the opening when the moving body is located at the sheet holding release position. A stacking apparatus having a sheet supply body for supplying sheets onto the group of articles on the lifting means,
A sheet receiving means for supporting the sheet sucked and held by the sheet supply body from below when the movable body is located at the sheet holding release position;
This sheet receiving means releases the lower support of the sheet simultaneously with the release and suction of the sheet by the sheet supply body.

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