JP5120869B2 - Stacking equipment - Google Patents

Description

  The present invention relates to a stacking apparatus capable of efficiently stacking.

Conventionally, for example, an article supply means for supplying an article, an article carry-out means for carrying out a plurality of stages of articles, and a lowering each time an article supplied from the article supply means is stacked up to a preset number of preset stages. Then, a stacking device such as a pallet loading device including an elevator having a lifting platform for transferring a plurality of articles stacked in the set number of stages to an article carrying means is known (for example, Patent Document 1). reference).
Japanese Patent Publication No.57-49452

  However, in the above conventional stacking device, there is one elevator having a lifting platform. Therefore, after completing the stacking of the set number of steps, a wasteful time is generated until the next stacking is performed, and the stacking work is efficiently performed. You may not be able to.

  This invention is made | formed in view of such a point, and it aims at providing the stacking apparatus which can perform a stacking operation | work efficiently.

Stacking apparatus 請 Motomeko 1 described, and the product supply means for supplying an article, an article unloading means for unloading articles in a plurality of stages are vertically movable possible and horizontal movement, it is supplied from the product supply means A first article support having a first article support that descends each time the articles are stacked and delivers a plurality of articles stacked in the preset number of stages to the article unloading means when the articles are stacked to a preset number of preset stages. One elevator, which can be moved up and down and horizontally moved, is lowered every time the articles supplied from the article supply means are stacked, and when stacked up to a preset number of stages, the number of stages is set to this number of stages. A second elevator having a second article support for passing the stacked plurality of articles to the article unloading means, and stacking articles on the first article support and article stages on the second article support. Alternating and stacking A that stacking device, wherein the first article support body and the second article support is capable rises with a vertically movable in stacking region in the waiting area, and the stacking region and said waiting area When the articles are stacked on one of the first article support and the second article support, the other is the upper end position of the standby area. It is something that waits.

  The stacking apparatus according to claim 2 is the stacking apparatus according to claim 1, wherein the first elevator includes a first machine frame, a first lifting body provided on the first machine frame so as to be movable up and down, and A first horizontal moving body provided on the first elevating body so as to be horizontally movable along the carrying-out direction of the article carrying-out means, and having a first article supporting body attached thereto; A second machine frame facing and spaced apart from the second machine frame, a second lift body provided on the second machine frame so as to be movable up and down, and provided on the second lift body so as to be horizontally movable along the carry-out direction of the article carrying means, A second horizontal moving body to which a second article supporting body is attached, the first article supporting body protruding from the first horizontal moving body toward the second machine frame side, and the second article supporting body. The body projects from the second horizontal moving body toward the first machine casing.

The stacking device according to claim 3 is the stacking device according to claim 1 or 2, wherein the first elevator and the second elevator have a symmetrical structure .

According to the invention of 請 Motomeko 1, since a structure in which the stacking of the article relative to the second article support stacking a second elevator article with respect to the first article support of the first elevator are alternately performed Compared with the configuration of one elevator, the stacking work can be efficiently performed, and when the articles are stacked on either the first article support body or the second article support body, Since the other is waiting at the upper end position of the waiting area, the stacking operation can be performed more efficiently.

  According to the second aspect of the invention, the first article support of the first elevator protrudes from the first horizontal movable body that is horizontally movable along the carry-out direction of the article carry-out means toward the second machine frame side, Since the second article support of the two elevators protrudes from the second horizontal moving body that can move horizontally along the carrying-out direction of the article carrying-out means toward the first machine frame, the carrying-out direction of the article carrying-out means Can be prevented from increasing in size in a direction perpendicular to.

According to the invention which concerns on Claim 3, since a 1st elevator and a 2nd elevator are symmetrical structures, production efficiency is good and it can aim at cost reduction .

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

  1 to 3, reference numeral 1 denotes a stacking device. The stacking device 1 has, for example, a plurality of articles W such as cardboard boxes containing a plurality of products on a pallet P in a predetermined alignment pattern. A palletizer or the like that stacks in a plurality of stages in an aligned state.

  The stacking apparatus 1 includes an article supply means 2 that is a carry-in unit for supplying articles W (article group) aligned in a predetermined alignment pattern from the article supply position above the stacking area A to the stacking area A, and a pallet. Article unloading means (unloading unit) for unloading a plurality of, for example, seven-stage articles W stacked on P in advance in the horizontal unloading direction X from the stacking area A together with the pallet P. Actual pallet unloading means 3).

  In addition, the stacking apparatus 1 supports the articles W via the pallets P and the empty pallet supply means 5 that transports the empty pallets P in the same horizontal direction as the unloading direction X and supplies them to the stacking area A. A first elevator 7 having a first article support (such as a first fork) 6 and a second elevator 9 having a second article support (such as a second fork) 8 that supports an article W via a pallet P. I have.

  The article supply means 2 is arranged at the first height position, and the article carry-out means 3 and the empty pallet supply means 5 are arranged at the second height position lower than the first height position. The first elevator 7 and the second elevator 9 have a symmetrical structure, and the first elevator 7 and the second elevator 9 are opposed to each other in the horizontal direction orthogonal to the unloading direction X of the article unloading means 3.

  The first article support 6 of the first elevator 7 and the second article support 8 of the second elevator 9 can both be raised and lowered in the stacking area A, and the standby area adjacent to the stacking area A. B can be raised at B, and can be moved horizontally along the unloading direction X between the stacking area A and the standby area B. In the stacking area A, the stacking of the articles W on the first article support 6 and the stacking of the articles W on the second article support 8 are sequentially performed, and the first article support is stacked in the stacking area A. When the articles W are stacked on either one of the sixth article support body 8 and the second article support body 8, the upper end position (intermediate upper position) of the standby area B with the other supporting the empty pallet P ) To wait.

  The article supply means 2 accepts articles W aligned in a predetermined alignment pattern from an article alignment section (not shown), and a plurality of chain conveyors 11 that can be moved up and down to convey the received articles W in the conveying direction, A plurality of rows of support plates 12 that receive and support the articles W by lowering the chain conveyor 11 in a state of being positioned, and transport the supported articles W by horizontal movement from the receiving position to the article supply position, and a support plate 12 When the article W is moved horizontally from the article supply position to the receiving position, the articles W are dropped in the article supply position toward the pallet P or the uppermost article W already stacked on the pallet P in a predetermined alignment pattern. A stopper 14 is provided for restricting the horizontal movement of the article W so that the article W falls. The plurality of rows of chain conveyors 11 are arranged above the standby area B.

  The article unloading means 3 includes a first transport unit 21 disposed below the stacking area A, and a second transport unit 22 connected to the terminal end side of the first transport unit 21.

  The first transport unit 21 is constituted by, for example, a roller conveyor having a plurality of transport rollers 23 arranged at the lower end position of the stacking area A, and the pallet P In other words, the actual pallet P is unloaded from the stacking area A in the unloading direction X and transferred to the second transfer unit 22, and the empty pallet P supplied from the empty pallet supply means 5 is received when empty pallets are supplied. The second transport unit 22 is constituted by, for example, a belt conveyor having a transport belt 25 stretched around a plurality of rollers 24, and receives the actual pallet P from the first transport unit 21 when the article is unloaded and is directed in the unloading direction X. Transport.

  The empty pallet supply means 5 includes a pallet transport unit 31 disposed below the standby area B. The pallet transport unit 31 is configured by, for example, a belt conveyor having a transport belt 33 spanned by a plurality of rollers 32, and transports an empty pallet P in the same direction as the unloading direction X when an empty pallet is supplied. To the first transport unit 21 of the article unloading means 3. Note that a pallet carry-in section (not shown) for sequentially carrying empty pallets P into the pallet transport section 31 is connected to the pallet transport section 31 on the transport start end side.

  The first elevator 7 includes a first machine frame 41 and a first elevating body 43 that is horizontally long and is provided on the first machine frame 41 so as to be movable up and down along two guide parts 42 that are vertically long. And first elevating drive means 44 for elevating the first elevating body 43. The first raising / lowering driving means 44 is constituted by, for example, a motor 45, a wire 46, a weight 47, and the like.

  In addition, the first elevator 7 is provided on the first elevating body 43 so as to be horizontally movable along the unloading direction X of the article unloading means 3, and is attached to the base end side of the first article support 6. And a first horizontal movement driving means 49 for horizontally moving the first horizontal moving body 48. The first horizontal movement drive means 49 is composed of, for example, a motor 51, a sprocket 52, a chain 53, and the like. Then, the first horizontal moving body 48 is integrated with the first article support body 6 and based on the power from the first horizontal movement driving means 49, the two guides in the longitudinal direction of the first elevating body 43 are provided. Move horizontally while being guided by part 50.

  The first article support 6 can be raised and lowered by raising and lowering the first raising and lowering body 43 and horizontally moved by the movement of the first horizontal moving body 48 and dropped from the article supply position of the article supply means 2 in the stacking region A. Each time the articles W to be supplied are stacked, the articles descend by a height corresponding to one stage. When the articles W are stacked up to the set number of stages, the article carrying means 3 supplies the plurality of stages of articles W stacked in the set number of stages. To the first transport unit 21. The first article support body 6 has an article support section 56 that is two forks in the horizontal direction that are spaced apart from each other and support the article W via the pallet P. The base end portions of both article support portions 56 are connected to each other by a base end connection portion 58.

  Further, the second elevator 9 has a symmetric configuration with the first elevator 7, and in addition to the second machine frame 61 that faces the first machine frame 41 through the stacking area A and the standby area B, the second elevator 9 A body 63, second elevating drive means 64, second horizontal moving body 68, second horizontal movement driving means 69, and the like. Similarly to the first article support body 6, the second article support body 8 can be moved up and down by moving up and down the second lifting body 63 and can be moved horizontally by moving the second horizontal moving body 68. Each time the articles W dropped and supplied from the article supply position of the article supply means 2 are stacked, the article W is lowered by the height of one stage, and when stacked up to the set number of stages, it is stacked at this set number of stages. The plurality of articles W are transferred to the first transport unit 21 of the article carrying means 3. The second article support 8 has an article support portion 76 that is two horizontally-long forks that are spaced apart from each other and support the article W via the pallet P. The base end portions of both article support portions 76 are connected to each other by a base end connection portion 78.

  As shown in FIG. 3 and the like, the first article support 6 of the first elevator 7 is horizontal in the direction orthogonal to the unloading direction X from the first horizontal moving body 48 toward the second machine casing 61 side. The second article support 8 of the second elevator 9 protrudes horizontally from the second horizontal moving body 68 toward the first machine frame 41 in the direction perpendicular to the unloading direction X.

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

  In the state shown in FIG. 4, the first article support 6 of the first elevator 7 in the stacking area A has completed the set number of stages of stacking, and the plurality of articles W stacked in the set number of stages are passed through the pallet P. The first article support 6 supporting the actual pallet P is about to descend to the lower limit position in the stacking region A. At this time, if the second article support 8 of the second elevator 9 in the standby area B is stopped at the intermediate upper position and has a positional relationship that does not interfere with the set number of articles W on the first article support 6. The horizontal movement toward the stacking area A becomes possible.

  Then, as shown in FIG. 5, when the first article support 6 of the first elevator 7 is lowered to the lower limit position below the upper end of the conveyance roller 23 of the first conveyance section 21 of the article carrying means 3, the actual pallet P is The state is placed on the conveyance roller 23 of the first conveyance unit 21. The second article support 8 of the second elevator 9 moves horizontally toward the stacking area A at the intermediate upper position.

  Next, as shown in FIG. 6, the actual pallet P is carried out by the transport roller 23 of the first transport unit 21, and at the same time, the empty pallet P is placed in the pallet transport unit 31 of the empty pallet supply means 5. It is supplied onto the transport roller 23 of the first transport unit 21 that has disappeared. The second article support 8 of the second elevator 9 rises to the upper limit position in the stacked area A.

  Subsequently, as shown in FIG. 7, the first article support 6 of the first elevator 7 rises to the middle lower position in the stacking region A, and the empty pallet P is moved to the first conveying unit 21 in the middle of the listing. Receive from above the transport roller 23. On the second article support 8 of the second elevator 9, the first-stage article W aligned in a predetermined alignment pattern is supplied from the article supply means 2 by dropping from the article supply position, and the first-stage article is supplied. The second article support 8 that supports W via the pallet P is moved down by the height of one stage.

  Next, as shown in FIG. 8, the first article support 6 of the first elevator 7 moves horizontally toward the standby area B at the intermediate lower position. The articles W arranged in a predetermined alignment pattern are sequentially stacked on the second article support 8 of the second elevator 9, and the second article support 8 is placed in the stacking area A of the article supply means 2. Each time the articles W dropped and supplied from the article supply position are stacked, the article W is lowered by a height of one stage.

  As shown in FIG. 9, when the articles W are sequentially stacked on the second article support 8 of the second elevator 9, the first article support 6 of the first elevator 7 To the middle upper position (standby position), and waits until the set number of stages are stacked on the second article support 8 at the middle upper position.

  As shown in FIGS. 10 and 11, when the articles W are stacked up to the set number of stages with respect to the second article support 8 of the second elevator 9, the second article support 8 supporting the actual pallet P is In the stacking area A, the actual pallet P descends to the lower limit position, and is placed on the transport roller 23 of the first transport unit 21 and unloaded. The first article support 6 of the first elevator 7 moves horizontally toward the stacking area A at the intermediate upper position when the second article support 8 is lowered to a position where it does not interfere.

  In this way, the stacking of the set number of articles W on the second article support 8 of the second elevator 9 is completed. Subsequently, as shown in FIGS. 12 to 15, the first article support of the first elevator 7 is similarly applied. A set number of articles W with respect to 6 is stacked.

  Then, according to the stacking device 1, a set number of articles W is stacked on the first article support 6 of the first elevator 7 and a set number of articles W is set on the second article support 8 of the second elevator 9. Since the construction is a double elevator system in which the stacking is performed alternately and independently, no wasteful time is generated in the pallet replacement, and the stacking work can be performed more efficiently than the construction of one elevator.

  Further, the protruding first article support 6 of the first elevator 7 protrudes from the first horizontal moving body 48 that can move horizontally along the unloading direction X of the article unloading means 3 toward the second machine casing 61, The projecting second article support 8 of the second elevator 9 projects from the second horizontal moving body 68 that can move horizontally along the carrying-out direction X of the article carrying-out means 3 toward the first machine frame 41. Therefore, it is possible to prevent an increase in size in the horizontal direction orthogonal to the carry-out direction X of the article carry-out means 3, and it is possible to easily make the apparatus compact.

  Further, since the first elevator 7 and the second elevator 9 have a symmetrical structure, the production efficiency is good, the cost can be reduced, and one of the first elevator 7 and the second elevator 9 breaks down. However, it is possible to continue the stacking although the processing capacity is reduced on either side.

  In the above-described embodiment, the configuration including the two elevators 7 and 9 has been described. However, for example, although not illustrated, a configuration including three elevators or a configuration including four elevators may be used.

  Moreover, although the palletizer which stacks the goods W on the pallet P and carries it out using the two elevators 7 and 9 has been described, for example, two elevators having the same configuration or three or more elevators or the like It is also possible to apply the present invention to a depalletizer that separates and carries out a set number of articles W on the pallet P by using.

It is a front view of one embodiment of the stacking apparatus of the present invention. It is a top view of the same stacking apparatus. It is a side view of the same stacking apparatus. It is operation | movement explanatory drawing of a same stacking apparatus. FIG. 5 is an operation explanatory diagram following FIG. 4. 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.

DESCRIPTION OF SYMBOLS 1 Stacking apparatus 2 Article supply means 3 Article carry-out means 6 1st article support body 7 1st elevator 8 2nd article support body 9 2nd elevator
41 First machine frame
43 First lifting body
48 First horizontal moving body
61 Second machine frame
63 Second lifting body
68 Second horizontal moving body A Stacking area B Standby area W Article X Unloading direction

Claims (3)

Article supply means for supplying articles;
Article carrying means for carrying out a plurality of articles;
When the articles supplied from the article supply means are stacked, they are lowered and stacked up to a preset number of preset stages. A first elevator having a first article support that delivers a stepped article to the article unloading means;
When the articles supplied from the article supply means are stacked, they are lowered and stacked up to a preset number of preset stages. A second elevator having a second article support for passing a stepped article to the article unloading means;
A stacking apparatus in which stacking of articles on the first article support and stacking of articles on the second article support are alternately performed,
The first article support body and the second article support is capable rises with a vertically movable in stacking region in the waiting area, and is horizontally movable between said stacking region and the waiting area ,
When stacking of the articles is performed on either one of the first article support body and the second article support, the other one is it characterized by waiting in the upper end position of the waiting area stacking apparatus. The first elevator is
The first machine frame,
A first lifting body provided on the first machine frame so as to be movable up and down;
The first lifting body is provided to be horizontally movable along the unloading direction of the article unloading means, and has a first horizontal moving body to which the first article support is attached,
The second elevator is
A second machine casing that is spaced apart from the first machine casing;
A second lifting body provided on the second machine frame so as to be movable up and down;
The second lifting body is provided so as to be horizontally movable along the carrying-out direction of the article carrying-out means, and has a second horizontal moving body to which the second article support is attached,
The first article support protrudes from the first horizontal moving body toward the second machine casing,
The stacking apparatus according to claim 1, wherein the second article support body protrudes from the second horizontal moving body toward the first machine casing. The stacking apparatus according to claim 1 or 2, wherein the first elevator and the second elevator have a symmetrical structure.

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