WO2019207998A1 - 搬送仕分け装置 - Google Patents
搬送仕分け装置 Download PDFInfo
- Publication number
- WO2019207998A1 WO2019207998A1 PCT/JP2019/010354 JP2019010354W WO2019207998A1 WO 2019207998 A1 WO2019207998 A1 WO 2019207998A1 JP 2019010354 W JP2019010354 W JP 2019010354W WO 2019207998 A1 WO2019207998 A1 WO 2019207998A1
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- WIPO (PCT)
- Prior art keywords
- tilting
- conveyor
- tilting conveyor
- transport
- transmission shaft
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/32—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements for effecting drive at two or more points spaced along the length of the conveyors
- B65G23/34—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements for effecting drive at two or more points spaced along the length of the conveyors comprising a single motor coupled to spaced driving elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
- B65G47/38—Devices for discharging articles or materials from conveyor by dumping, tripping, or releasing load carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
- B65G47/46—Devices for discharging articles or materials from conveyor and distributing, e.g. automatically, to desired points
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/94—Devices for flexing or tilting travelling structures; Throw-off carriages
- B65G47/945—Devices for flexing or tilting travelling structures; Throw-off carriages tilting endless surfaces, e.g. belts
Definitions
- the present invention relates to a transport sorting apparatus capable of sorting a transported object by sliding it sideways by gravity at a sorting position set on the transport path of the transported object.
- the transport sorting apparatus as described above includes a plurality of tilting conveyor units arranged in parallel in the transport direction, and each tilting conveyor unit has a horizontal transport posture and an object to be transported. It is supported so as to be swingable around a support shaft parallel to the transported object transport direction between the tilted posture for discharging by gravity toward the side with respect to the transported object transport direction, and the tilted conveyor unit includes 2.
- a transported material transport sorting apparatus including a conveyor driving motor that drives a transported material transporting conveyor and a tilting motor that switches each tilting conveyor unit between the horizontal transporting posture and the tilting posture.
- a tilt actuator is provided for tilting each tilting conveyor unit about an axis parallel to the transporting direction as means for switching each tilting conveyor unit between a horizontal transporting posture and a tilting posture.
- the friction belt for conveying the object to be conveyed provided in each tilting conveyor unit is driven by an electric motor attached to the tilting conveyor unit (tilting component).
- a configuration is described in which a conveyor driving motor that drives a conveyor for transportation included in the tilting conveyor unit is attached to all tilting conveyor units that are swung between a horizontal transporting posture and an inclined posture.
- This configuration not only requires the same number of conveyor driving motors as the number of tilting conveyor units, but also supplies power to the conveyor driving motors attached to the tilting conveyor units that swing.
- the present invention proposes a transport sorting apparatus capable of solving the above-described conventional problems, and the transport sorting apparatus according to the present invention makes it easy to understand the relationship with embodiments described later. Therefore, when the reference numerals used in the description of the embodiment are attached with parentheses, the plurality of tilting conveyor units (10, 11) arranged in parallel in the transport direction are provided, and each tilting conveyor unit (10, 11) between the horizontal transport posture and the inclined posture for discharging the transported material by gravity to the side with respect to the transported material transport direction of the support shaft (7) parallel to the transported material transport direction.
- Conveyor drive motors (20) that are supported so as to be swingable around and drive the conveyors (24a, 24b) of the objects to be conveyed provided in each tilting conveyor unit (10, 11), and each tilting conveyor unit (10 , 11) is switched between the horizontal transfer posture and the inclined posture (12, 1 3), the support shaft (7) has a length over the entire region (region comprising the assemblies 1A to 1E) including the plurality of tilting conveyor units (10, 11).
- the transfer conveyors (24a, 24b) of all the tilting conveyor units (10, 11) in the region are linked to the linked transmission shaft (19).
- One conveyor driving motor (20) is installed for the area, and this one conveyor driving motor (20) is connected to all the tilting conveyor units (10, 11) in the area.
- the conveyors (24a, 24b) are driven via the interlocking transmission shaft (19).
- the conveyor driving motor for driving the conveyor for each tilting conveyor unit by one conveyor driving motor, and to swing each tilting conveyor unit. Since the supporting shaft to be supported is also used as a transmission shaft necessary for the transmission system for the conveyor of each tilting conveyor unit, the equipment cost can be greatly reduced. Further, as in the case where the conveyor driving motor for driving the conveyor for each tilting conveyor unit is attached to the tilting conveyor unit that swings as in the prior art, the power feeding system to the conveyor driving motor is used.
- each tilting conveyor unit (10, 11) is provided with a single drive shaft (32) interlockingly connected to the conveyors (24a, 24b). It is arranged on the upper side of the interlocking transmission shaft (19) in a direction parallel to the object conveying direction, and this one drive shaft (32) and the interlocking transmission shaft (19) are interlocked by the winding transmission means (33).
- Each tilting conveyor unit (10, 11) is connected to a bearing (8a-9b) for supporting the tilting conveyor unit (10, 11) so as to be swingable around the interlocking transmission shaft (19).
- the bearing on the side of the tilting conveyor unit which is naturally necessary for supporting the tilting conveyor unit so as to be swingable around the interlocking transmission shaft, receives the rotational force of the output shaft of the tilting motor. Therefore, it is possible to reduce the number of necessary parts and simplify the whole structure, thereby further reducing the cost.
- the plurality of tilting conveyor units (10, 11) divide two adjacent tilting conveyor units (10, 11) into a plurality of assemblies (1A to 1E) as one assembly, and each assembly ( 1A to 1E), two tilt conveyor units (10) are supported by one support shaft (7) whose both ends are supported by support members (14, 15, 17) via bearings (5, 6). 11), and the supporting shaft (7) is interlocked and connected by a joint (18) between two adjacent assemblies (1A to 1E) to form the interlocking transmission shaft (19).
- the conveyor drive motor (20) is arranged outside the assembly (1E) located at one end and drives the two tilting conveyor units (10, 11) in each assembly (1A to 1E) 2.
- the tilting motors (12, 13) of the base can be installed so that the transmission rotating bodies (38a, 39a) are reverse in the front-rear direction on both the left and right sides of the interlocking transmission shaft (19) in plan view. . According to this configuration, even when a large and long motor with a reduction gear having a large driving capability is required as a tilting motor for switching the posture of each tilting conveyor unit, the two tilting motors are left and right in a plan view.
- FIG. 1A is a partially omitted side view of the transport sorting apparatus
- FIG. 1B is a plan view thereof.
- FIG. 2 is a side view of a main part showing an exit side region of the transport sorting apparatus.
- FIG. 3 is a plan view of a main part showing an exit side region of the transport sorting apparatus.
- FIG. 4 is a partially cutaway front view showing the exit side of the transport sorting apparatus.
- FIG. 5 is a longitudinal rear view showing each assembly constituting the transport sorting apparatus.
- FIG. 6 is a front view showing the sorting operation of the tilting conveyor unit.
- FIG. 7A is a schematic side view showing the first stage of the transfer sorting operation of the transfer sorting apparatus
- FIG. 7B is a schematic side view showing the second stage.
- FIG. 8A is a schematic side view showing the third stage
- FIG. 8B is a schematic side view showing the fourth stage.
- FIG. 9A is a schematic side view showing the fifth stage
- FIG. 9B
- 1A and 1B are a schematic side view and a plan view of the central assembly 1C of the five assemblies 1A to 1E constituting the transport sorting apparatus, with the entrance side end portion being omitted.
- the carry-in conveyor 2 is connected to the assembly 1A
- the carry-out conveyor 3 is connected to the assembly 1E at the outlet end.
- one or a plurality of sorting areas are set on the transport path for transporting the tray T loaded with the objects to be transported, and the transport sorting apparatus according to the present invention is installed in this sorting area.
- the sorting of the objects to be transported by the apparatus is performed by inclining the transported tray T in either the left or right sorting direction without stopping the movement in the transport direction, and the objects to be transported loaded on the tray T by gravity. This is performed by sliding and dropping from the tray T to the lower side.
- each assembly 1A to 1E can be rotated at both ends by a pair of bearings 5 and 6 in the transport direction of the object to be transported.
- a supporting shaft 7 that is supported and parallel to the conveying direction of the conveying and sorting apparatus and horizontally at the center position in the left-right width direction of the conveyed object conveying and sorting apparatus, a pair of front and rear bearings 8a and 8b, A pair of front and rear tilting conveyor units 10 and 11 supported by 9a and 9b, and two tilting motors 12 and 13 for switching each of the tilting conveyor units 10 and 11 to a horizontal conveyance posture and a tilting posture, respectively. Yes.
- the bearings 5 and 6 positioned at both ends in the transport direction of the transport sorting device are supported on the gantry 16 by one columnar support members 14 and 15, respectively.
- Two adjacent bearings 5 and 6 between two adjacent assemblies are supported on a common columnar support member 17 via a pedestal 17a.
- the ends of the support shafts 7 are concentrically linked by a rotation transmission joint 18 so that the entire length of the transport sorting device, that is, each of the pair of front and rear One continuous transmission shaft 19 is constructed over the entire area composed of the assemblies 1A to 1E including the tilting conveyor units 10 and 11, and as shown in FIGS. 1A, 1B, and 4, the conveyance sorting is performed.
- one conveyor driving motor 20 supported by the gantry 16 outside the assembly 1E is wound in the vertical direction.
- the transmission means 21 is interlocked and connected.
- belt transmission means comprising a transmission pulley 22a, a passive pulley 22b, and an endless belt 22c stretched between the pulleys 22a and 22b is illustrated.
- a hanging transmission means may be used.
- Each of the tilting conveyor units 10 and 11 has the same structure, and is a rectangular housing 23 that is horizontally long in plan view, a pair of left and right belt conveyors 24a and 24b that are provided on the rectangular housing 23, and a rectangular shape. It is comprised from the side guides 25a and 25b attached to the right-and-left both ends of the housing 23.
- FIG. The pair of left and right belt conveyors 24 a and 24 b is configured by an endless belt 26 c stretched between a driving pulley 26 a and a driven pulley 26 b, and an upper conveyance path portion of the endless belt 26 c is exposed on the upper surface of the rectangular casing 23.
- the pair of left and right drive pulleys 26a which are installed concentrically with each other, are attached to the outer ends of a pair of left and right rotating shafts 28a and 28b supported horizontally by bearings 27a and 27b.
- the shafts 28a and 28b are linked to the output shafts 30a and 30b concentrically projecting from the gear box 29 installed at the center in the left-right width direction in the rectangular housing 23 via joints 31a and 31b for rotation transmission. It is connected.
- the gear box 29 includes a drive shaft 32 that protrudes rearward at the center position in the left-right width direction in the rectangular housing 23, and the output shafts 30 a and 30 b are interlocked at the same speed in the same direction by the rotation of the drive shaft 32. It is configured to rotate.
- the drive shaft 32 is interlocked and connected to the interlocking transmission shaft 19 (the support shaft 7 of each assembly 1A to 1E) located immediately below by the winding transmission means 33.
- belt transmission means including a transmission pulley 34a, a passive pulley 34b, and an endless belt 34c stretched between the pulleys 34a and 34b is illustrated.
- a hanging transmission means may be used.
- one conveyor driving motor 20 installed on the outlet side of the transfer sorting device is operated, so that the winding transmission means 33 is wound from the interlocking transmission shaft 19 (support shaft 7 of each assembly 1A to 1E).
- a pair of left and right belt conveyors 24a and 24b included in the pair of front and rear tilt conveyor units 10 and 11 of all the assemblies 1A to 1E via the gear box 29, and a tray T supported on the belt conveyors 24a and 24b. Can be driven to rotate so as to be transported at a predetermined speed from the entrance side to the exit side of the transport sorting apparatus.
- the tray T has its right and left sides controlled by the side guides 25a and 25b that are erected on the left and right sides of the tilting conveyor units 10 and 11, respectively.
- Guide rollers 35 that abut and roll against the left and right side surfaces of the tray T are pivotally supported at both front and rear ends in the transport direction.
- the pair of front and rear tilting conveyor units 10 and 11 provided in the assemblies 1A to 1E are connected to the left and right ends of the interlocking transmission shaft 19 (support shaft 7 of each assembly 1A to 1E) via a pair of front and rear bearings 8a to 9b.
- the tilting conveyor units 10 and 11 are supported so as to be able to tilt in the direction in which the section moves up and down.
- the tilting conveyor units 10 and 11 are supported by a horizontal transport posture (see FIG. 5) for supporting and transporting the tray T, and as shown in FIG. In order to switch to a tilted posture inclined about 45 degrees in the left or right direction around 7, tilting motors 12, 13 are linked to each other for each tilting conveyor unit 10, 11.
- tilting motors 12 and 13 For both of these tilting motors 12 and 13, a servo motor with a large speed reducer having a large driving torque is used which has a longer overall length in the axial direction than the lateral width of one tilting conveyor unit 10/11. Therefore, as shown in FIG. 3, the tilting motors 12 and 13 have their respective axial directions parallel to the support shaft 7 so that they are opposite to each other on the left and right sides of the support shaft 7 in plan view. It is installed on the mount 16 so that it becomes.
- transmission side timing belt pulleys 38a and 39b are attached to the output shafts 36 and 37 of the respective tilting motors 12 and 13, and the output shafts 36 and 37b projecting from the transmission side timing belt pulleys 38a and 39b.
- the free end portion of 37 is supported by bearings 41a and 41b mounted on mounting plates 40a and 40b that support the respective tilting motors 12 and 13, so that the output shafts 36 and 37 have a both-end support structure.
- a pair of front and rear bearings 8a for supporting the tilting conveyor units 10 and 11 to be tiltable by the support shaft 7 is provided.
- timing belts 38c and 39c as winding transmission tools are stretched between transmission side timing belt pulleys 38a and 39a and passive side timing belt pulleys 38b and 39b, and winding transmission means 44 and 45 using timing belts are configured.
- the two tilting motors 12 and 13 whose axial directions are parallel to the support shaft 7 are positioned at positions where the winding transmission means 44 and 45 can be configured as described above. It is installed on the gantry 16 with point symmetry around one central point in the direction.
- the tilting motors 12 and 13 and the mounting plates 40a and 40b for supporting the bearings 41a and 41b are installed on the gantry 16 so that the positions of the mounting plates 40a and 40b can be adjusted horizontally. It is comprised so that tension
- the transmission side pulley 34a of the winding transmission means 33 for transmitting the rotation of the interlocking transmission shaft 19 (support shaft 7 of each assembly 1A to 1E) to the belt conveyors 24a and 24b of the tilting conveyor units 10 and 11 includes: As shown in FIG. 3, the winding transmission means 44 and 45 are attached to the support shaft 7 at positions adjacent to the inside of the transmission side timing belt pulleys 38a and 39b.
- the pair of left and right belt conveyors 24a of the pair of front and rear tilting conveyor units 10 and 11 included in each of the assemblies 1A to 1E. , 24b by operating one conveyor driving motor 20, the rotational force thereof is applied to the winding transmission means 21, the interlocking transmission shaft 19, and the winding transmission means 33 corresponding to each of the tilting conveyor units 10, 11. It is transmitted to the drive pulley 26a of the belt conveyors 24a and 24b via the gear box 29 and the rotary shafts 28a and 28b, and the endless belt 26c is in an operating state in which it rotates at a predetermined speed in a predetermined direction.
- the tilting conveyor units 10 and 11 of all the assemblies 1A to 1E have the tilting motors 12 and 13 stopped in a state where they are in the horizontal transfer posture as shown in FIG. , 13 is held in a horizontal conveying posture and does not swing around the support shaft 7 / the interlocking transmission shaft 19 due to gravity. Therefore, in a state where the tilting conveyor units 10 and 11 of all the assemblies 1A to 1E are held in the horizontal conveying posture, the conveyor driving motor 20 is operated as described above to convey the belt conveyors 24a and 24b to a predetermined level. 1A and 1B, the to-be-conveyed object stacking tray T fed from the carry-in conveyor 2 is conveyed at a constant speed toward the carry-out conveyor 3 and is moved onto the carry-out conveyor 3. Can be sent out.
- the specific tilting conveyor units 10 and 11 are horizontally transported for sorting.
- the tilting motor 12/13 of the tilting conveyor unit 10/11 to be switched to the tilted position is operated, and the rotation of the output shaft 36/37 is transmitted by the winding transmission means 44/45.
- the target timing belt pulley 38a / 39a, the timing belt 38c / 39c, and the passive side timing belt pulley 38b / 39b are passed through the bearings 8a / 9b coupled and integrated by the coupling bolts 42/43.
- the passive side timing belt pulley 38b / 39 b of the rotation angle amount corresponding tilting conveyor units 10/11 that purpose the support shaft 7 (interlocking transmission shaft 19) can be tilted in a predetermined direction around. Further, when the tilting conveyor unit 10/11 in the tilting posture is returned to the original horizontal conveying posture, the tilting motor 12/13 of the tilting conveyor unit 10/11 is reversely rotated by the rotation angle at the time of the tilting operation, The tilting conveyor unit 10/11 can be returned from the tilted posture to the original horizontal transport posture.
- FIGS. 7A to 9B When the loaded object on the tray T sent from the carry-in conveyor 2 is a target to be sorted at a place where the transport sorting apparatus is located, the following is based on FIGS. 7A to 9B.
- the transport sorting apparatus having the above-described configuration may be operated according to the procedure listed in the above.
- the transport path of the transport sorting apparatus according to the present embodiment is configured by a total of ten tilting conveyor units 10 and 11 constituting ten assemblies 1A to 1E, but in the following description, all tilting is performed.
- the conveyor units 10 and 11 will be described by assigning numbers N1 to N10 from the entrance side. (1) As shown in FIG.
- the tray T on which the articles to be sorted W are loaded is fed from the carry-in conveyor 2 onto the transport path of the transport sorting apparatus.
- the tray T has a length in the conveying direction that is supported across a plurality (three in the illustrated example) of the tilting conveyor units 10 and 11, and the horizontal width is on the left and right sides of each of the tilting conveyor units 10 and 11. The width fits between the side guides 25a and 25b with an appropriate margin.
- the load mounting surface Ts of the tray T is a concave arc surface in the lateral width direction orthogonal to the transport direction, and when transported in a normal horizontal transport posture. The conveyed object W is stably held on the loading surface Ts.
- the tray T supported by the tilting conveyor units 10 and 11 switched to the tilted posture is received by the guide roller 35 of the side guide 25a on the lower side of the tilt, and continues in the tilted posture while rolling the guide roller 35. Is conveyed. (3)
- the tray T is switched to the inclined posture integrally with the tilting conveyor units 10 and 11 while moving in the transport direction from the time when the tray T passes the sorting operation start position P1. After that, it continues to move in the transport direction while maintaining the inclined posture. Accordingly, the transported object W on the tray T is slid by gravity downward on the loading surface Ts of the tray T due to gravity while the tray T moves to an inclined posture while being transported integrally with the tray T.
- a chute S that inherits the object W to be slid sideways from the tray T, as indicated by a virtual line in FIGS. Can be added.
- the tilting conveyor units 10 and 11 on the transport direction side are sequentially switched to the inclined posture in advance of the tray T being conveyed in the inclined posture, as shown in FIG. 9A.
- the tray T is continuously transported while maintaining the inclined posture, and the delivery of the transported object W is surely completed before the tray T passes the sorting operation completion position P2.
- the region supporting the tray T and all the tilting conveyor units N6 to N10 in the inclined posture on the side of the conveying direction are simultaneously transferred from the inclined posture to the original horizontal conveyance.
- the emptied tray T can be sent out onto the carry-out conveyor 3 in a state of returning to the horizontal conveyance posture.
- each of the tilting conveyor units N1 to N5 that are fed rearward relative to the tray T that is transported in the state of being switched to the tilted posture is close to the carry-in conveyor 2.
- the transport sorting apparatus described above is an embodiment of the present invention, and is not limited to the structure or usage method.
- the tilting conveyor units can be divided into a plurality of groups, and a conveyor driving motor 20 can be provided for each group. .
- the transport sorting apparatus is composed of a plurality of assemblies 1A to 1E provided with two tilting conveyor units 10 and 11, in the above embodiment, the tilting motors 12 and 13 of the assemblies 1A to 1E, The columnar support members 14, 15, and 17 that support the bearings 5 and 6 at both ends of the support shaft 7 of each assembly 1A to 1E are configured to be directly installed on the common frame 16, but each assembly 1A to 1E
- the independent assemblies 16 are provided to complete the assemblies 1A to 1E, the assemblies 1A to 1E are arranged in series to connect the platforms 16 to each other, and the support shafts 7 are connected to each other by a rotation transmission joint 18.
- the conveyor drive motor 20 can be linked to the support shaft 7 of the assembly at one end of the assemblies 1A to 1E.
- the transport sorting apparatus transports a transported object on a dedicated transport tray, as in baggage transport sorting at an airport, and automatically sorts according to the transport destination. It can be used as a transport sorting device.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branching, Merging, And Special Transfer Between Conveyors (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Threshing Machine Elements (AREA)
- Sorting Of Articles (AREA)
Abstract
Description
(1) 図7Aに示すように、仕分け対象の被搬送物Wを積載したトレイTが搬入用コンベヤ2からこの搬送仕分け装置の搬送経路上に送り込まれる。このトレイTは、複数(図示例では3台)の傾動コンベヤユニット10,11に跨って支持される搬送方向の長さを有し、横巾は、各傾動コンベヤユニット10,11の左右両側のサイドガイド25a,25b間に適当な余裕をもって嵌まり込む巾である。又、トレイTの荷載置面Tsは、図4~図6に点線で示すように、搬送方向と直交する左右巾方向に関して凹入円弧面となっており、通常の水平搬送姿勢での搬送時には、被搬送物Wが荷載置面Ts上で安定保持されるようになっている。
(2) 上記トレイTが搬送仕分け装置の搬送経路上に設定された仕分け動作開始位置P1に到達すると、図7Bに示すように、当該トレイTを支持する領域と搬送速度に見合った搬送方向側への延長領域にある全ての傾動コンベヤユニットN1~N6を、傾動用モーター12,13により水平搬送姿勢から仕分けのための傾斜姿勢(図示では、左側へ45度傾斜した姿勢)に同時に切り換える。この後も、傾動コンベヤユニットN6に続く搬送方向側の各傾動コンベヤユニットN7~N10も、一定時間タイミングを遅らせながら順次傾斜姿勢に切り換える。傾斜姿勢に切り換わった傾動コンベヤユニット10,11によって支持されているトレイTは、傾斜下方側のサイドガイド25aのガイドローラー35で受け止められ、当該ガイドローラー35を転動させながら傾斜姿勢のまま継続的に搬送される。
(3) 上記動作により、図8A及び図8Bに示すように、トレイTが仕分け動作開始位置P1を通過した時点から搬送方向に移動しながら傾動コンベヤユニット10,11と一体に傾斜姿勢に切り換わり、その後は傾斜姿勢のままで搬送方向に移動し続けることになる。従って、トレイT上の被搬送物Wは、トレイTと一体に搬送されながら当該トレイTが傾斜姿勢に移ることにより、トレイTの荷載置面Ts上を傾斜下方へ重力で滑動し、トレイT上から搬送経路の側方へ払い出される。従って、搬送仕分け装置の左右両側の内、被搬送物Wの払い出し側には、図6~図9に仮想線で示すように、トレイTから側方に滑落する被搬送物Wを受け継ぐシュートSを併設しておくことが出来る。
(4) 先に説明したように、傾斜姿勢で搬送されているトレイTに先行して、搬送方向側の各傾動コンベヤユニット10,11は順次傾斜姿勢に切り換えられるので、図9Aに示すように、トレイTは傾斜姿勢を保持したまま連続搬送され、当該トレイTが仕分け動作完了位置P2を通過するまでには、被搬送物Wの払い出しは確実に完了することになる。従って、トレイTが仕分け動作完了位置P2に到達した時点で当該トレイTを支持する領域とこれより搬送方向側にある全ての傾斜姿勢の傾動コンベヤユニットN6~N10を同時に傾斜姿勢から元の水平搬送姿勢に復帰させることにより、図9Bに示すように、空になったトレイTを水平搬送姿勢に戻した状態で搬出用コンベヤ3上に送り出すことが出来る。
(5) 図7B~図9Aに示すように、傾斜姿勢に切り換えられた状態で搬送されるトレイTに対し後方に相対的に送り出される各傾動コンベヤユニットN1~N5は、搬入用コンベヤ2に近い側から順次傾斜姿勢から元の水平搬送姿勢に復帰させることにより、図9A及び図9Bに示すように、後続の被搬送物積載トレイTを搬入用コンベヤ2から受け入れることが出来る。
2 搬入用コンベヤ
3 搬出用コンベヤ
5,6,8a~9b,27a,27b,41a,41b 軸受け
7 支軸
10,11 傾動コンベヤユニット
12,13 傾動用モーター
14,15,17 柱状支持部材
16 架台
18,31a,31b 回転伝達用継ぎ手
19 連動伝動軸
20 コンベヤ駆動用モーター
21,33,44,45 巻掛け伝動手段
23 矩形躯体
24a,24b ベルトコンベヤ
25a,25b サイドガイド
29 ギヤボックス
42,43 結合用ボルト
46 シュート
T 被搬送物積載用トレイ
W 被搬送物
Claims (3)
- 搬送方向に並設された複数の傾動コンベヤユニットを備え、各傾動コンベヤユニットは、水平搬送姿勢と、被搬送物を被搬送物搬送方向に対し側方へ重力で排出するための傾斜姿勢との間で、被搬送物搬送方向と平行な支軸の周りで揺動可能に支持され、各傾動コンベヤユニットが備える被搬送物の搬送用コンベヤを駆動するコンベヤ駆動用モーターと、各傾動コンベヤユニットを前記水平搬送姿勢と傾斜姿勢とに切り換える傾動用モーターとを備えた搬送仕分け装置において、
前記支軸は、複数の傾動コンベヤユニットを含む領域全体にわたる長さの1本の連動伝動軸によって構成され、前記領域内の全ての傾動コンベヤユニットの前記搬送用コンベヤは、前記連動伝動軸に連動連結され、前記コンベヤ駆動用モーターは、前記領域に対して1台が設置され、この1台のコンベヤ駆動用モーターが、前記領域内の全ての傾動コンベヤユニットの前記搬送用コンベヤを、前記連動伝動軸を介して駆動するように構成された、搬送仕分け装置。 - 各傾動コンベヤユニットには、前記搬送用コンベヤと連動連結する1本の駆動軸が、被搬送物搬送方向と平行な向きで前記連動伝動軸の上側に配設され、この1本の駆動軸と前記連動伝動軸とは巻掛け伝動手段によって連動連結され、各傾動コンベヤユニットには、この傾動コンベヤユニットを前記連動伝動軸の周りで揺動可能に支持するための軸受けが取り付けられ、この軸受けに隣接する位置で前記連動伝動軸に相対回転可能に嵌合する受動用回転体が当該軸受けに固着され、各傾動コンベヤユニットに対応して配置された前記傾動用モーターの出力軸の回転力が、当該出力軸に取り付けられた伝動用回転体と前記受動用回転体との間に掛張された巻掛け伝動具を介して傾動コンベヤユニットに伝達されるように構成された、請求項1に記載の搬送仕分け装置。
- 複数の傾動コンベヤユニットは、隣接する2台の傾動コンベヤユニットを1つの組立体として複数の組立体に分割され、各組立体内では、両端部が軸受けを介して支承された1本の前記支軸が2台の傾動コンベヤユニットを支持し、隣接する2つの組立体間において前記支軸同士が継ぎ手によって連動連結されて前記連動伝動軸が構成され、1台のコンベヤ駆動用モーターは、一端に位置する組立体の外側に配置され、各組立体内の2台の傾動コンベヤユニットを駆動する2台の前記傾動用モーターは、平面視において前記連動伝動軸の左右両側で前記伝動用回転体が前後逆向きとなるように設置されている、請求項2に記載の搬送仕分け装置。
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