JPH0761810B2 - Transport sorting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention circulates a large number of trolleys, loads an article on the trolley at the loading position, and selects the stuff on the trolley at a plurality of unloading and sorting positions. The present invention relates to a transport / sorting device that sorts products by product type or by shipping destination.

(Prior Art) For example, goods are conveyed along a conveying path, and at a plurality of places of this conveying path, goods are selectively discharged to the side of the conveying path by product type or destination. The device uses a scraper or pusher to push out the items on the conveyor that make up the transport path to the side, or a cart or slat that runs along the transport path is tilted to the side to load the items on it. Although there is a method of dropping it to the side due to gravity, there is a limit to the items to be sorted, so that it can only be conveyed by a belt conveyor, such as small items, bulk items, lightweight items, thin items, objects with poor bottom condition, etc. It is impossible to sort such items.

As a transport sorting device that can be applied to transport sorting of such articles, Japanese Utility Model Laid-Open No. 179216/1987 or Japanese Unexamined Patent Publication No. 62-179216 is known.
The configuration described in Japanese Patent No. 74823 is known.

That is, in the transportation sorting apparatus described in Japanese Utility Model Laid-Open No. 62-179216, a large number of carriages are movably arranged on an endless conveyance path, and the many carriages are connected endlessly on the conveyance path. By driving a part of the trolley by the drive mechanism provided on the transport path, a large number of trolleys are circulated along the transport path,
Items are loaded onto the trolley at the loading position set on the transport path, and the items on the trolley are selectively loaded at the plurality of unloading sorting positions set on the transport path.

A pair of pulleys are provided on both sides intersecting with the moving direction of the carriage, a moving member is provided at the lower part of the carriage by connecting to one end of a pair of movable pulleys, and an intermediate portion of the support belt is provided over the pair of pulleys on the upper part of the carriage. At the same time as being hung, both ends are hooked in a folded manner on the movable pulley of the moving member and fixed to both sides of the carriage. The conductor plate of the linear motor is attached to the moving member, and the stator coil of the linear motor is arranged at the carrying position and the carrying-out sorting position. Then, when the trolley passes through the loading position and the unloading sorting position, the stator coil of the linear motor is energized to move the conductor plate to the side, and the portion of the support belt that supports the item is moved to move the item. I try to carry in or out.

However, in this transfer / sorting device, since one end of the pair of movable pulleys is moved by the moving member, the movable pulley easily skews, and there is a problem that the support belt meanders. Further, since the moving member is moved by the linear motor when the truck passes, the moving member is not surely moved, and there is a problem that it is difficult to move down at a high speed.

Further, in the transfer / sorting device described in Japanese Patent Laid-Open No. 62-74823, a pair of pulleys are provided on both sides intersecting with the moving direction of the trolley, and a supporting belt is hung over the pair of pulleys to surround the supporting belt. Install multiple guide wheels on. At the loading device and the unloading sorting position, a pair of linear tracks on both sides that engage with the guide wheels on the trolley side are provided along the transport path, and inclined tracks that connect the linear tracks on both sides in an X shape are provided. A gate is vertically movable at the intersection of the straight track and the inclined track. Then, by switching the gate on the transport path side, the guide wheel on the moving carriage side is sequentially guided from one straight track to the other straight track via the slant track, whereby the supporting belt of the moving carriage is supported. Is rotated so that the goods can be carried in or out.

However, in this transport sorting device, since the support belt and the guide wheel have the same moving distance, in order to completely carry out the article on the support belt, the operation stroke of the guide wheel must be set to be equal to or larger than the lateral width of the carriage. However, there is a problem in that the guide wheel has to be moved more than once in the forward feed. Further, since the guide wheel is attached around the support belt, there is a problem that a cover for covering the rotation area of the guide wheel must be provided above the support belt.

(Problems to be Solved by the Invention) As described above, in the transport / sorting device described in Japanese Utility Model Laid-Open No. Sho 62-179216, the support belt meanders and the moving member is not surely moved, and the speed is particularly high. There is a difficult problem to do.

Further, in the transport sorting device described in Japanese Patent Laid-Open No. 62-74823, the guide wheel has to be moved at least twice in a forward feed, and a cover for covering the rotation area of the guide wheel is provided above the support belt. There is a problem to be solved.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a transport sorting device that does not meander the support belt, has a reliable sorting operation, and can handle high speeds.

(Means for Solving the Problem) In the transport sorting device according to claim 1, a plurality of traveling wheels are formed with an endless transport path and have traveling wheels that engage with the travel rail. The trolleys are movably arranged, the many trolleys are connected endlessly on the transport path via links, and a part of the trolleys are driven by a drive mechanism provided on the transport path to transport the multiple trolleys. A transport sorting device that circulates along and transports goods on the trolley at the loading position set on the transport path, and selectively unloads the items on the trolley at multiple unloading sorting devices set on the transport path. , A plurality of rails provided in parallel to each other at a lower part of the carriage along both directions crossing the moving direction of the carriage and a plurality of wheels engaging with the plurality of rails, and both sides of the carriage. Transferable in parallel A moving frame, one or more belt hanging members disposed on both sides of the bogie, and two or more rollers having both ends supported by the moving frame and supported in parallel with the belt hanging member. When,
An intermediate portion is arranged on the upper portion of the truck along both sides of the truck, and both end portions are alternately folded around the belt winding member and the roller of the moving frame and both side portions of the truck. Alternatively, a support belt fixed to the moving frame, an engaging body provided at a lower portion of the moving frame and having a guide wheel and a pin protruding from a lower surface of the guide wheel, and a carrying-in position and a carrying-out sorting position of the transport path. The guide rail of the engaging body has a plurality of guide rails that selectively engage with each other to guide the carriage in the moving direction and both side directions, and the guide rails that engage with the pins and engage with the guide wheels. And a switching guide for switching between the engaging body and the actuating means for selectively moving the engaging body in both directions of the carriage.

According to another aspect of the present invention, there is provided a transport and sorting device in which an endless chain is hung on a sprocket, a number of carriages are connected to the endless chain, and the chain is driven by the sprockets to circulate and move the plurality of carriages together. A transport sorting device which carries in articles on a trolley at a carry-in position set on the circulation path of the trolley, and selectively unloads items on the trolley at a plurality of unloading sorting positions set on the circulation path of the trolley, wherein A plurality of rail portions provided in parallel at both sides of the lower portion of the carriage along a direction crossing the moving direction of the carriage, and a plurality of wheels engaging with the plurality of rail portions,
A movable frame that can move in parallel to both sides of the carriage, one or more belt winding members disposed on both sides of the carriage, and a belt winding member whose both ends are supported by the movable frame. Two or more rollers that are supported in parallel and an intermediate portion is provided on the upper portion of the carriage along both sides of the carriage, and both ends are alternately formed as the belt winding member and the roller of the moving frame. A supporting belt that is looped around and fixed to both sides of the carriage or to the moving frame, and an engagement body that is provided at the lower portion of the moving frame and that has a guide wheel and a pin that projects from the lower surface of the guide wheel. A plurality of guide rails that are provided at the carry-in position and the carry-out sorting position of the circulation path and that are selectively engaged by the guide wheels of the engagement body to guide the carriage in the moving direction and both side directions, and the pin. Engagement Guide wheels Te has the switching guide to switch the guide rails for engaging, in which the engagement body with an actuating means for selectively moving each side direction of the carriage.

(Operation) In the transport / sorting apparatus according to claim 1, when the carriage passes through the carry-in position and the carry-out sort position of the transport path, the moving frame is moved to both sides of the carriage by the actuating means through the engaging body.
An article is carried in or out of an intermediate portion of the support belt, that is, a portion supporting the article. Then, since the plurality of wheels move in parallel along the plurality of rail portions in the moving frame, the support belt moves without meandering due to the movement of the moving frame. Also, the support belt is
Due to the folded-back wrapping, the intermediate portion of the support belt, that is, the portion that supports the item moves by an integral multiple (2 times, 3 times, ...) Of the moving stroke of the moving frame. Furthermore, the moving frame is
The guide rail with which the guide wheel engages is switched through the pin of the engaging body by the switching guide of the actuating means, and the guide wheel moves along the guide rail of the actuating means and selectively moves in both directions of the carriage.

In the transport sorting apparatus according to claim 2, when the carriage passes through the carry-in position and the carry-out sort position of the circulation path, the moving frame is moved to both sides of the carriage by the actuating means via the engaging body.
The support belt rotates, so that the goods are carried into or out of the middle portion of the support belt, that is, the portion supporting the goods. Since the plurality of wheels move in parallel along the plurality of rails in the moving frame, the movement of the moving frame causes the support belt to rotate without meandering.
In addition, the supporting belt is moved by an integral multiple (2 times, 3 times ...) Of the moving stroke of the moving frame by the folded-back wrapping, the intermediate portion of the supporting belt, that is, the portion that supports the product. Further, the moving frame switches the guide rail with which the guide wheel engages via the pin of the engaging body by the switching guide of the actuating means, and the guide wheel moves along the guide rail of the actuating means to move in both directions of the carriage. Move selectively.

(Embodiment) An embodiment of the transport sorting apparatus of the present invention will be described below with reference to the drawings.

First, the principle common to claims 1 and 2 will be described with reference to FIGS. 1 and 2, and then embodiments corresponding to claims 1 and 2 will be described.

1a, 1b are carts, and these carts 1a, 1b are designed to move in the front-rear direction in the figure along a conveyance path 2a and a circulation path 2b, which will be described later. There is provided a movable frame 3 which is movable in both left and right directions in the drawing intersecting with the moving direction of.

Further, one or more rollers 4, 4 in the example of FIG. 1 and 2 in the example of FIG. 2, which are belt winding members, are provided on both sides of the carriages 1a and 1b in parallel with each other. The movable frame 3 is arranged and axially supported.
In addition, two or more rollers, both in the example of FIG. 1 and the example of FIG. 2, support two rollers 5.

Then, an intermediate portion of a support belt 6 made of a flat belt having a conveyance direction in both directions intersecting the moving direction of the carriages 1a, 1b is arranged above the carriages 1a, 1b, and the support belts are also arranged. After both end portions of 6 are alternately folded around the rollers 4 on both sides and an intermediate roller 5 corresponding to the roller 4, both side portions of the carriages 1a, 1b in the example of FIG. In the example of FIG. 2, it is fixed to the moving frame 3.

In this structure, the movable frame 3 is provided, for example, with a roller 7 as a guide wheel for an engaging body that is axially supported on the lower portion of the moving frame 3 or with a pin 8 of the engaging body that is axially supported on the movable frame 3 and projects to the lower portion of the roller 7. When the engaging body is moved in both directions by pushing the engaging means with actuating means 9a, 9b, 9c, 9d provided on the transport path 2a and the circulation path 2b, the roller 4 looks like a fixed pulley and the roller 5 looks like a moving pulley. Trolley 1a, 1b according to the principle of pulleys
The intermediate portion of the support belt 6 on the upper side of the moving frame 3 moves in the direction opposite to the moving direction of the moving frame 3 by an integral multiple of the moving stroke S of the moving frame 3, in the example of FIG. In the example of FIG. 2, the stroke 3S moves three times.

Therefore, when the article W is supported on the intermediate portion of the support belt 6 above the carts 1a, 1b, the article W can be transported along the transport path 2a or the circulation path 2b by the movement of the carts 1a, 1b. This article W is moved by the moving frame 3 to move the carts 1a, 1a.
It can be carried out to the side of the transport path 2a or the circulation path 2b where b moves.

Then, in the example of FIG. 1, as shown in (A), with the moving frame 3 positioned on one side of the trucks 1a, 1b, the article W is placed on the intermediate portion of the support belt 6 above the trucks 1a, 1b. Support and this (A)
From the state shown in (1) to the state shown in (B), as shown in (C), when the moving frame 3 is moved to the other side in the carriages 1a, 1b, the article W is completely discharged to one side. be able to.

In addition, in the example of FIG. 1, the number of rollers 4 on both sides of the carriages 1a, 1b is two on each side, a total of four, and the number of rollers 5 of the moving frame 3 is the same four. When turned, dolly 1a, 1
When the intermediate portion of the support belt 6 on the upper part of b moves four times as much as the stroke of the moving frame 3, and when each of the rollers 4 and 5 is increased,
The middle portion of the support belt 6 moves by a stroke that is an even multiple of 6, 8, ...

Moreover, in the example of FIG. 2, as shown in FIG.
Is positioned at the center of the carriages 1a, 1b, the article W is supported on the intermediate portion of the support belt 6 above the carriages 1a, 1b, and is moved from the state shown in (A) to that shown in (B). Frame 3 with trolley 1
By moving to the left side in a, 1b, the article W can be completely carried out to the right side, and conversely, from the state shown in (A) to (C)
As shown in, when the moving frame 3 is moved to the right in the carriages 1a and 1b, the article W can be completely discharged to the left.

In the example of FIG. 2, the rollers 4 on both sides of the carriages 1a and 1b are
When the number of rollers 5 on the moving frame 3 is reduced by 2 to 4, and the support belt 6 is hung around the support belt 6,
The middle part of the support belt 6 on the upper part of the carriages 1a, 1b moves 5 times as much as the stroke of the moving frame 3, and when the rollers 4 and 5 are increased in the same way, the middle part of the supporting belt 6 becomes 7 times of the moving frame 3. , A stroke that is an odd multiple of 9 times.

Next, a first embodiment corresponding to claim 1 will be described.

FIGS. 3 to 6 show details of the triple stroke type truck 1a of the example of FIG.

The trolley 1a has a plate-shaped base 11, and the base 11 is connected to the base 11 of another trolley 1a by a link 12. Wheels 13, 14 for traveling are provided, and the plurality of wheels 13,
14 is engaged with the round rod-shaped and plate-shaped traveling rails 15 and 16 that constitute the above-mentioned transport path 2a, and the horizontal wheels 13 having the flanges 13a on both sides and the round rod-shaped traveling rail 15 are engaged, whereby the carriage 1a Positioning and load support in the left-right direction and the up-down direction are made, and by the engagement of the vertical wheel 14 and the plate-shaped traveling rail 16,
The vertical load of the carriage 1a is supported in an auxiliary manner.

The moving frame 3 has a shape in which both ends of a narrow plate are bent upward, and the moving frame 3 also has a plurality of horizontal and vertical wheels 19, 20.
And a horizontal wheel 19 is engaged with a pair of guide rails 21 as rail portions provided on the base 11, and a vertical wheel 20 is provided on a pair of side frames 22 provided on the base 11. It is engaged with the guide groove 23 as a part, and thereby supported movably at a right angle to the moving direction of the carriage 1a.

The roller 4 is pivotally supported by brackets 26 attached to both ends of the side frame 22, and the support belt 6 is supported.
The intermediate portion, that is, the portion that supports the article W is supported on a support plate 27 provided between the side frames 22.

Further, the roller 7 is pivotally supported on the lower end portion of a supporting rod 30 attached to the lower portion of the moving frame 3 via the pin 8, and the roller 7 and the pin 8 are formed in the opening 31 formed in the base 11.
From the above, the roller 7 engages between the pair of guide rails 32 at the center of the transport path 2a and between the pair of guide rails 33 at both ends of the transport path 2a, and the pin 8 serves as the switching guide 34 of the transport path 2a. It is designed to engage.

A roller 37 for traveling drive is provided in the lower part of the base 11 coaxially with the link 12, and the roller 37 engages with a spiral groove of a drive screw 38 as a drive mechanism described later. ing.

FIG. 7 shows the transport path 2a along which the carriage 1a moves.

The transport path 2a is formed in an endless shape.
A large number of trolleys 1a are mounted on the traveling rails 15 and 16 constituting the
Each of them is movably supported through its wheels 13 and 14, and a large number of carriages 1a are endlessly axially coupled via a link 12 on this transport path 2a, and a drive provided at a proper position on the transport path 2a. The drive screw 38 as a mechanism is rotated, and one or several trolleys 1a are driven by the engagement of the drive screw 38 and the rollers 37 for driving the trolley 1a for traveling, thereby,
A large number of trolleys 1a on the transport path 2a are circularly moved in the counterclockwise direction in the figure as a whole.

The plate-shaped traveling rail 16 for the vertical wheels 14 of the traveling rails 15 and 16 that form the transportation path 2a is provided only in the straight portion of the transportation path 2a, and the squeak noise of the vertical wheels 14 in the curved portion is generated. It prevents the occurrence.

Then, in this transport path 2a, three loading devices 41, multiple unloading sorting positions 42, and one unloading cancel position 43 are set in order along the moving direction of the carriage 1a, On one side of each of the carry-in positions 41, the support belt 6 of the carriage 1a is provided.
A carry-in conveyor 44 for carrying in the goods W is connected to the upper side thereof, and a receiving device 45 for receiving the goods W carried out from the support belt 6 of the carriage 1a is arranged at each side of the carry-out sorting position 42, and a carry-out cancel position. A receiving device 46 for receiving the article W carried out from the support belt 6 of the carriage 1a is also arranged on one side of 43.

Then, at the carry-in position 41, the carry-out sorting position 42, and the carry-out cancel position 43, the operating means 9a, 9b for moving the support belt 6 by laterally moving the roller 7 and the pin 8 under the moving frame 3 of the carriage 1a, respectively. , 9c, 9d are provided.

Of the three carry-in positions 41, two carry-in positions on the upstream side
As shown in FIG. 8 and FIG. 9, the actuating means 9a provided on the 41 respectively comprises a movable switching guide 34 which rotates about an axis 51 by an air cylinder 52 and a fixed switching guide 53.
And a fixed switching rail 54, which selectively operates with respect to each carriage 1a. At the time of operation, the movable switching guide 34 is rotated clockwise by the air cylinder 52 to be in the state shown in FIG. As a result, with the movement of the carriage 1a, the rollers 7 and the pins 8 at the bottom of the moving frame 3 moving between the guide rails 33 on the side of the conveying path 2a opposite to the carry-in conveyor 44.
Is engaged with the pin 8 and the groove 34a of the movable switching guide 34,
Following this, the groove 53a of the fixed switching guide 53 and the pin 8 are engaged, and further, the fixed switching rail 54 and the roller 7 are engaged to move between the guide rails 32 at the central portion of the conveyance path 2a, By moving the rollers 7 and the pins 8 from between the guide rails 33 to between the guide rails 32, that is, to the side of the moving frame 3, it is possible to drive the support belt 6 in the direction in which the article W from the carry-in conveyor 44 is drawn. In addition, when not in operation, the groove 34a of the movable switching guide 34 is connected to the groove 53b of the fixed switching guide 53, whereby the rollers 7 and the pins 8 moving between the guide rails 33 continue to be kept as they are. The support belt 6 is not driven by moving it between the guide rails 33.

The fixed switching guide 53 is provided with a protrusion 53c that constitutes an intersection of the guide rail 33 and the switching rail 54.

Further, the carry-in device 41 at the most downstream of the three carry-in positions 41
The actuating means 9b provided at is constituted by a fixed switching rail 57, and moves the roller 7 and the pin 8 moving between the guide rails 33 on the side of the conveying path 2a opposite to the carry-in conveyor 44 to the roller 7
By moving the guide belt 32 between the guide rails 32 at the center of the conveying path 2a, the movement of the support belt 6 causes the supporting belt 6 to move.
It is possible to drive the article W from 44 in the direction of withdrawal.

And, the operating means provided at the plurality of unloading and sorting positions 42
9c is the operating means 9a shown in FIGS. 8 and 9, respectively.
The same as the above, but as shown in FIG. 10, the same movable switching guide 34 as described above is rotated by an air cylinder 62 around a shaft 61.
, A fixed switching guide 63, and a fixed switching rail 64, which selectively operate for each trolley 1a. At the time of operation, the movable switching guide 34 is moved by the air cylinder 62 in the state shown in the drawing or in the clockwise direction. The roller 7 and the pin 8 which have been moved between the guide rails 32 in the central portion of the transport path 2a are moved to the groove 34a of the movable switching guide 34.
And the pin 8 and subsequent engagement between the pin 8 and one of the pair of grooves 63a on both sides of the fixed switching guide 63, and further by the engagement between the fixed switching rail 64 and the roller 7, 2a is moved between the guide rails 33 on one side or the other side, and by this movement, the article W supporting the support belt 6
Can be driven in a direction to carry it out to the corresponding receiving device 45, and when not in operation, the groove of the movable switching guide 34 can be driven.
34a is connected to the central groove 63b of the fixed switching guide 63,
As a result, the rollers 7 and the pins 8 that have been moving between the guide rails 32 are continuously moved as they are between the guide rails 32, and the support belt 6 is not driven.

The fixed switching guide 63 is provided with a protrusion 63c that constitutes an intersection of the guide rail 32 and the switching rail 64.

In addition, the operating means 9d provided at the carry-out cancellation position 43
Is composed of a fixed switching rail 67, and the roller 7 and the pin 8 moving in the central portion of the conveying path 2a are engaged with the roller 7 so that the side of the conveying path 2a opposite to the receiving device 46 is provided. It moves between the guide rails 33, and by this movement, the support belt 6 can be driven in the direction in which the supported article W is carried out to the receiving device 46.

In addition, on the upstream side of the carry-out cancellation position 43, the rollers 7 and the pins 8 of the carriage 1a moving to the carry-out cancellation position 43 are moved from the side part of the transport path 2a to the central part of the transport path 2a by the engagement with the rollers 7. A fixed switching rail 70 for moving is provided.

Then, in this transport sorting device, a large number of carriages 1a are circularly moved counterclockwise along the transport path 2a, and in this state,
At any of the carry-in positions 41, the goods W are carried in by the carry-in conveyor 44 to the intermediate portion of the support belt 6 on the upper part of the moving carriage 1a, and in synchronization with this, the operating means 9a, 9b move the carriage 1a to the position shown in FIG. The support belt 6 is driven to pull in the article W to support it on the carriage 1a, and the article W is conveyed to the unloading sorting position 42 by the movement of the carriage 1a.

When the trolley 1a carrying the goods W to be unload and sorted arrives at each unloading / sorting position 42, the operating means 9c causes the support belt 6 of the trolley 1a to move to the predetermined receiving device 45.
Driven toward the receiving device to receive the article W on the support belt 6
Deliver to 45.

Further, at each unloading / sorting position 42, when the trolley 1a carrying the article W for which unloading and sorting is not carried arrives, the operating means 9c is not operated, and the trolley 1a on which the article W is loaded is moved to the next unloading / sorting position 42. Move to.

By performing such an operation at each carry-out sorting position 42, the goods W carried on the support belt 6 of the carriage 1a at the carry-in position 41 are sorted into a predetermined receiving device 45 for each product type and each shipping destination.

And for some reason, for example, the receiving device to be carried out
When there is an item W that has not been sorted out by any of the receiving devices 45 due to a situation such as the item W that has been unloaded to 45 is jammed, etc., this item W is moved as it is along the carriage 1a along the transport path 2a, Although it may be circulated until the next unloading sorting opportunity, in this embodiment, the unloading cancellation position 43
In, the actuating means 9d can drive the support belt 6 of the carriage 1a to carry the article W to the receiving device 46.

The rollers 7 and the pins 8 on the lower part of the moving frame 3 of the carriage 1a have moved to the side part of the transport path 2a after passing through the carry-out cancellation position 43, and in this state, they pass the side of the drive screw 38. Therefore, there is no risk of damage by the drive screw 38, and preparation for the subsequent loading operation at the loading position 41 is completed.

Further, in this embodiment, the roller 7 and the pin 8 are used as the engaging bodies.
In accordance with this, among the actuating means 9a, 9b, 9c, 9d, actuating means 9a shown in FIG. 8 and FIG. In the means 9c, the switching guides 34, 53, 63 and the small-diameter pin 8 are first engaged with each other, which is smaller than the large-diameter roller 7 in the small-diameter pin 8.
This is because there is less shock at the start of operation and quicker movement is possible. Therefore, after starting operation by the small diameter pin 8 and at other positions, the switching rails 54, 57, 6
The engagement of the rotatable rollers 7 with the 4,67,70 and the guide rails 32,33 prevents the generation of noise.

Further, in the actuating means 9a and 9c capable of selecting the actuation or non-actuation, since the inner surface of the groove 34a of the switching guide 34 engaging with the pin 8 is formed in a concave shape with respect to the pin 8 first,
When guiding, the movement of pin 8 is slow at the beginning,
Since the speed is gradually increased and the shock at the start of movement is reduced, the pin 8 is smoothly moved, and the support belt 6 is also synchronized with this, so that the goods W are smoothly carried in and out, and switching is performed. The load on the guide 34 is reduced.

Further, in the actuating means 9a, 9b, the movable switching guide 3
In addition to 4, fixed switching guides 53, 63 and switching rail 5
Since 4, 64 is used and the possible switching guide 34 is shortened, the time for the pin 8 to move the movable switching guide 34 is shortened. Therefore, the movable switching guide 34 is quickly returned to respond to the next operation. be able to.

In this embodiment, the roller 4 is used as the belt winding member provided on both sides of the carriage 1a. However, not limited to the roller 4, a small diameter rod may be used, or a support for supporting the support belt 6 may be used. A curved portion with a small curvature on which the support belt 6 slides can be provided at both ends of the plate 27, and this curved portion can be used as a belt wrapping member. The dent can be made small, and the height of the carriage 1a can be made small.

Next, a second embodiment corresponding to claim 2 will be described.

Since the structure of this embodiment is basically the same as that of the first embodiment described above, the same parts are designated by the same reference numerals, the description thereof will be omitted, and different parts will be described.

11 to 14 show the details of the triple-stroke type truck 1b of the example of FIG. 2, and this truck 1b has almost the same structure as the truck 1a shown in FIGS. 3 to 6. In particular, it does not matter if the upper structures are the same.

The trolley 1b has a pair of plate-shaped bases 81 on both sides, and the pair of bases 81 are integrally connected via the guide rails 21 and the side frames 22. A pair of front and rear pins 82 provided on
A pair of endless chains 83 forming both sides of the circulation path 2b.
By engaging the blocks 84 and 85 attached to the pair, the chains 83 are connected to both sides, and a plurality of horizontal and vertical wheels 86 and 8 are attached to the lower part of the base 81 on both sides.
7, a plurality of wheels 86, 87 are engaged with a rail 88 provided on the circulation path 2b together with the chain 83.

In addition, the pin 85 on the rear part of the bogie 1b and the block 85 of the chain 83
The long hole 89 engages with the chain 83 so that the chain 83 can be bent.

15 and 16 show a circulation path 2b along which the carriage 1b moves.

The circulation path 2b is formed by winding a pair of endless chains 83 on both sides around front and rear sprockets 92, 93, and is formed in an endless shape, and the pair of chains 83 forming the circulation path 2b.
A number of bogies 1b, each with its pin 82 and chain
By engaging with the blocks 84 and 85 on the 83 side, they are connected at a predetermined interval, and by driving the chain 83 with one sprocket 92, a large number of bogies 1b together with the chain 83 are generally counterclockwise in FIG. It is designed to move in a circular direction.

In the upper horizontal movement portion of the circulation path 2b, there are one loading device 41, a plurality of unloading sorting positions 42, and one unloading cancellation position 43 along the moving direction of the carriage 1b. The support belts 6 of the carriage 1b are set at the loading position 41 in order.
A carry-in conveyor 44 for carrying in the goods W is connected to the upper side thereof, and a receiving device 45 for receiving the goods W carried out from the support belt 6 of the carriage 1b is arranged at both sides of the carry-out sorting position 42, and a carry-out cancel position. A receiving device 46 for receiving the article W carried out from the support belt 6 of the carriage 1b is also arranged at one side of 43.

Then, the carry-out sorting position 42 and the carry-out cancellation position
43 includes an operating means 9c shown in FIG. 10 and an operating means 9d shown in FIG. 7 for driving the support belt 6 by laterally moving the roller 7 and the pin 8 under the moving frame 3 of the carriage 1b. It is provided.

Then, in this transport sorting device, a large number of carriages 1b are circularly moved counterclockwise along the circulation path 2b, and in this state,
At the carry-in position 41, the product W is carried in from above by the carry-in conveyor 44 into the intermediate portion of the support belt 6 on the upper part of the moving carriage 1b, and the product W is conveyed to the carry-out sorting position 42 by the movement of the carriage 1b. .

When the carriage 1b carrying the goods W to be sorted out arrives at each unloading / sorting position 42, the actuating means 9c causes the support belt 6 of the dolly 1b to move to a predetermined receiving device 45.
Driven toward the receiving device to receive the article W on the support belt 6
Deliver to 45.

Further, at each unloading / sorting position 42, when the trolley 1b carrying the article W for which unloading / sorting is not carried arrives, the operating means 9c is not operated, and the trolley 1b on which the article W is loaded is moved to the next unloading / sorting position 42. Move to.

By performing such an operation at each carry-out sorting position 42, the goods W carried on the support belt 6 of the carriage 1b at the carry-in position 41 are sorted into a predetermined receiving device 45 for each product type and each shipping destination.

And for some reason, for example, the receiving device to be carried out
When there is an article W that has not been sorted out in any of the receiving devices 45 due to a situation in which the article W previously delivered to the 45 is blocked, etc., at the delivery cancellation position 43, the operation means 9d supports the cart 1b. Drive the belt 6 and the product W
Can be carried out to the receiving device 46.

Although the rollers 7 and the pins 8 below the moving frame 3 of the carriage 1b have moved to the side of the circulation path 2b after passing through the carry-out cancel position 43, they are not shown before returning to the carry-in position 41. The operation device returns it to the central portion of the circulation path 2b, and the unloading operation after the loading operation at the next loading position 41 is ready.

(Effect of the invention) According to the transport sorting device of the first aspect, by moving the plurality of wheels of the moving frame along the plurality of rail portions,
Since the moving frame can be reliably moved in parallel, the meandering of the support belt moving by the moving frame can be prevented.
Furthermore, the engaging body of the moving frame has a guide wheel and a pin, and the guide rail engaged with the guide wheel is switched by the switching guide of the operating means of the transport path, and the guide wheel is guided by this guide rail. Since the moving frame is selectively moved in both directions of the dolly, the moving frame, that is, the sorting operation can be surely performed, and high speed can be supported.

According to the transport sorting apparatus of claim 2, the plurality of wheels of the moving frame move along the plurality of rail portions,
Since the moving frame can be surely translated, it is possible to prevent the meandering of the support belt that rotates due to the movement of the moving frame. Further, the engaging member of the moving frame has a guide wheel and a pin, and the guide rail engaged with the guide wheel is switched by the switching guide of the operating means of the circulation path, and the guide wheel is guided by this guide rail. Since the moving frame is selectively moved in both directions of the dolly, the moving frame, that is, the sorting operation can be surely performed, and high speed can be supported.

[Brief description of drawings]

FIG. 1 shows an embodiment of a transport sorting apparatus according to the present invention, FIGS. 1 and 2 are explanatory views of the sorting principle, and FIGS. 3 to 10 show the first embodiment corresponding to claim 1. 3 to 6
The drawings are a plan view, a front view, a plan view and a side view with a part of the cart cut away, FIG. 7 is a plan view of a conveyance path, and FIG. 8 is a plan view of an operating means provided in the conveyance path. FIG. 10 is a sectional view of a part thereof, FIG. 10 is a plan view of another actuating means provided in the conveying path, and FIGS. 11 to 16 are second views corresponding to claim 2.
FIG. 11 to FIG. 14 are plan views in which a part of the bogie is cut away, front views, plan views and side views, FIG. 15 is a plan view of a circulation path, and FIG. 16 is a side view thereof. is there. 1a, 1b …… carriage, 2a …… transportation path, 2b …… circulation path, 3 ……
Moving frame, 4 ... Roller as belt hanging member, 5 ...
... Rollers, 6 ... Support belts, 7 ... Rollers as guide wheels for the engaging bodies, 8 ... Pins of the engaging bodies, 9a, 9b, 9c, 9d ... Operating means, 13 ... Wheels for running, 15 ...... Traveling rail, 19,2
0 …… Wheels, 21 …… Guide rails as rails, 23
...... Guide groove as rail part, 32 …… Guide rail, 34
...... Switching guide, 38 ...... Drive screw as a drive mechanism, 41 …… Loading position, 42 …… Unloading sorting position, 83 ……
Chain, 92,93 ... sprocket.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tsuguo Yoneya 900 Furuodauchi, Noguchi-cho, Kakogawa-shi, Hyogo Prefecture Okura Transport Co., Ltd. (56) Reference JP-A-62-74823 (JP, A) Open Sho 60-31424 (JP, A) Open Sho 62-179216 (JP, U) Open Sho 62-164237 (JP, U) Open Sho 56-132222 (JP, U)

Claims (2)

[Claims] 1. An endless conveying path is formed by a traveling rail, and a large number of carriages having traveling wheels engaging with the traveling rail are movably arranged on the conveying path. An endless connection is established on the transport path via a link, and a number of vehicles are circulated along the transport path by driving some trucks by a drive mechanism provided on the transport path, and the carry-in position set on the transport path. In which the goods are loaded onto the trolley, and a plurality of unloading sorting devices set on the transport path selectively unloads the goods on the trolley, the lower part of the trolley intersects the moving direction of the trolley. A plurality of rails provided in parallel along both sides and a plurality of wheels engaging with the plurality of rails, a movable frame that can move in parallel in both directions of the carriage, and both sides of the carriage One or more for each part A belt winding member, two or more rollers whose both ends are supported by the moving frame and which are supported in parallel to the belt winding member, and an intermediate portion on the upper portion of the carriage along both sides of the carriage. And a support belt fixed to both side portions of the carriage or the moving frame, and both ends of the moving belt and the rollers of the moving frame, which are alternately folded around the belt hanging member and the roller of the moving frame. An engaging body provided at a lower portion of the frame and having a guide wheel and a pin protruding from a lower surface of the guide wheel, and a guide wheel of the engaging body provided selectively at a carry-in position and a carry-out sorting position of the transport path. In addition to having a plurality of guide rails that guide the carriage in the moving direction and both sides of the carriage, and also has a switching guide that switches the guide rails that engage with the pins to engage the guide wheels, Conveying sorting apparatus characterized by comprising an actuating means for moving selectively on both sides direction. 2. An endless chain is hung on a sprocket, a large number of bogies are connected to the endless chain, and the chain is driven by the sprockets to circulate and move a large number of bogies together with the chain. A transport sorting device that loads goods onto the trolley at the loading position set to, and selectively unloads the goods on the trolley at a plurality of unloading sorting positions set on the circulation path of the trolley, and A plurality of rail portions provided in parallel along both side directions intersecting the moving direction of the carriage and a plurality of wheels engaging with the plurality of rail portions, and capable of moving in parallel in both side directions of the carriage. A frame; one or more belt-engaging members disposed on both sides of the carriage; and two or more belt-supporting members whose both ends are supported by the moving frame in parallel with the belt-engaging member. A roller and an intermediate portion are provided on the upper portion of the carriage along both sides of the carriage, and both end portions are alternately folded around the belt winding member and the roller of the moving frame and the carriage Support belts fixed to both sides of the moving frame or the moving frame, an engaging body provided at the lower part of the moving frame and having a guide wheel and a pin protruding from the lower surface of the guide wheel, and a carry-in position and carry-out position of the circulation path. The guide wheel of the engaging body is provided at the sorting position and has a plurality of guide rails for selectively engaging and guiding in the moving direction and both sides of the trolley, and the guide wheels engage with the pins. A switching guide for switching the guide rails, and an operating means for selectively moving the engaging body in both sides of the carriage.