JPH0741159A - Carrier sorter - Google Patents

Abstract

PURPOSE:To prevent the entry of any carried substance into a gap toward a load receiving lever so as to enable smooth carriage and sorting work by providing a hindrance piece, which intervenes between adjacent slats for carriage, integrally at the abutment margin with the carried substance of the push- out lever to push out the carried substance to a branch conveyor. CONSTITUTION:For a push-out mechanism 38, the tire member 59 shifts in the direction of right end from left end of a frame base 6, being guided by a traveling groove 26 in its early stages, and also the tire member 59 is guided by a push-out member 28 form the traveling groove 26 by a divergence command, and a number of push-out mechanisms 38 corresponding to the dimension of the length of goods enter a groove 28, and shift in the direction of a branch conveyor 18. And, the carried substance A is pushed out to a selected branch conveyor 19 while being pushed by a push-out piece 40 by both actions of the outward travel of chain belts 17 and 17 and the shifting of the push-out mechanism 38. At this time, even if the carried substance A is thin one such as, for example, a sheet or the like, it is supported at two points by the existence of hindrances 40 and 40b, and the carried substance A is carried without being caught between the push-out piece 40 and load receiving levers 35 and 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present application relates to a transportation / sorting device for automatically sorting parcels and the like by, for example, a delivery place.

[0002]

2. Description of the Related Art As a conventional transport sorting device for automatically sorting, for example, a parcel according to a delivery place, transport slats are arranged in parallel between a pair of endless belts that run at front and rear positions of a frame extending in the transport direction. A transport surface that is erected on the transport slats, and that is slidable on each of the transport slats along the longitudinal direction of the slats for transporting the transported object placed on the transport surface. There is known a structure including an extruding mechanism provided with a pressing piece that presses from one end portion to the other end portion and pushes it out to a required branch conveyor.

[0003]

According to the above-mentioned conventional structure, however, the conveyed article is selected by the pressing piece that is moved by both the forward movement of the chain belt and the pushing mechanism that moves in the direction orthogonal to the forward movement of the chain belt. When the conveyed product is a thin one such as a sheet, at this time, the conveyed product is present in a gap that exists to some extent between the lower surface of the pressing piece and the conveying slat. There is an inconvenience that it may cause the trouble of the conveying device and may damage the conveyed object.

[0004]

In order to solve the above-mentioned inconvenience, the present application installs a conveying slat in parallel between a pair of endless belts running at the front and rear positions of a frame extending in the conveying direction. One of the ends of the carrying slats is formed on each of the carrying slats, which forms a carrying surface, and on each of the carrying slats, a sliding piece movable along the longitudinal direction of the carrying object placed on the carrying surface. In a conveying and sorting apparatus comprising an extruding mechanism that is provided with a pressing piece that pushes from one part to the other end and pushes it out to a desired branch conveyor, at least the contacting edge of the pressing piece that abuts the conveyed object, at least the conveyed object. It is characterized in that an interfering piece that intervenes between adjacent transporting slats on the sending-in side is integrally provided. When the transporting slats are composed of two load receiving rods, the transported article of the pressing piece is provided. The contact edge that abuts Further provided baffle pieces to intervene between the load 受杆. Obviously, a baffle intervening between the adjoining transport slats on the carry-out side of the transported object may be provided, and preferably the baffle is extended in the front-rear width direction of the pressing piece.

[0005]

However, when the conveyed product is conveyed, the conveyed product is first pushed out from the feeding side to the conveying surface formed of the conveying slats. In the process of pushing out, the information such as the delivery destination attached to the conveyed product is read and the length dimension of the conveyed product is recognized. Then, the transported object moves on the transportation surface along with the forward movement of the chain belt. The pushing mechanism moves in the longitudinal direction of the frame along with the running of the chain belt while being aligned along one side of the longitudinal side of the frame, that is, the front position, and the number of the pushing mechanism is equal to the recognized length dimension of the load. The extruding mechanism moves from the rear end position to the front end position in the longitudinal direction of the transport slat. Therefore, both the forward movement of the chain belt and the movement of the extruding member in the longitudinal direction of the transport slat cause the transported object to be delivered to the destination information. It is pushed out to the required branch conveyor selected by. At this time, even if the conveyed product A is a thin one such as a sheet, there is no fear that it will be sandwiched between the pressing piece and the load receiving rod by the obstructing piece.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is an upper frame which is long and has a required front-rear width, and a guide groove portion 24 described later is provided on the upper surface thereof. The outer edges of the body 2 and the lower frame body 3 extending in parallel therebelow are connected by the connecting rods 4, and are supported by the leg pieces 7 at the starting end position of the frame base 6 supported by the leg rods 5. Starting member 8
1 shows a frame of the transport sorting apparatus of the present application in which end members 10 supported by leg pieces 9 are respectively provided in series at the end position of the frame base 6, and the end members 10 are provided with chain sprockets 11 and 11. A drive shaft 14 which is provided at the front-rear position and is rotationally driven by a drive motor 12 via a speed change mechanism portion 13 is rotatably supported, and the starting end member 8 has chain sprockets 15, 15 at the front-rear position. The driven shaft 16 which is fixed is rotatably supported, and a pair of front and rear endless chain belts 17 and 17 are stretched between the sprockets 11 and 15, respectively.

On one of the long sides of the frame 1, there are provided a plurality of branch conveyors 18 that extend obliquely with respect to the traveling direction of the chain belts 17, 17 and send out the conveyed products sorted according to the delivery place to the next stage. , 18, 18, 18 are arranged at required intervals. Further, on the upper surface of the starting end member 8 of the frame 1, there is provided a feeding roller 19 for feeding the conveyed product A onto a conveying slat 33, which will be described later, and attached to the conveyed product A carried there. For example, a bar code reader for reading the bar code indicating the delivery area information and a sensor for detecting the shape such as the length of the conveyed product A carried there are respectively equipped, and the end member of the frame 1 is further provided. An unloading roller 20 is provided on the upper surface of 10 to unload the conveyed product A conveyed to the terminal end to the next stage.

As shown in FIGS. 4 and 6, the upper frame 2 extends in the longitudinal direction at the front and rear positions of the frame 1 and has a rising portion 2 at the inner edge thereof.
A pair of front and rear frame rods 2 made of a wide plate integrally provided with 1
2 and 22 are connected to each other at predetermined intervals via a horizontal bar 23, and a guide groove portion 24 for guiding an extruding member 38 described later is provided on the upper surface of the guide groove portion 24.
1 and a guide rod 25 extending in parallel to the rising portion 21 with a small clearance, and a running groove 26 and an idle running groove 27 extending in parallel in the longitudinal direction at the front-back position of the upper frame 2. ,
A plurality of extruding grooves 28, 28, 28, 28 extending obliquely from the traveling groove 26 in the direction of the idle traveling groove 27 corresponding to the branch conveyors 18, 18, 18, 18, respectively, and the end portion of the frame 1. It is composed of a return groove 29 extending obliquely from the idle running groove 27 toward the running groove 26 at a position, and switches to each branch position of the pushing groove 28, the running groove 26 and the idle running groove 27 according to a control signal. Point members 30 are provided respectively.

As shown in FIG. 4, mounting bars 31 having a U-shaped cross section are mounted on the outer upper surfaces of the front and rear frame rods 22, 22, respectively, and the upper surfaces thereof are made of a synthetic resin material. A support rail 32 for supporting the lower surfaces of the chain belts 17, 17 is provided along the frame 1.

Between the pair of front and rear chain belts 17, 17, there are transport slats 33, 33, ... For placing a transport object A and forming a transport surface for transporting it. , 17 are installed in parallel with each other in a direction orthogonal to the conveying direction with a required gap. As shown in FIGS. 4 and 5, the transport slat 33 extends in parallel with a small clearance and has two rectangular tubular load receiving members having a slit 34 opened in the longitudinal direction at the center of the lower surface. Rod 3
5, 35, the lower surfaces of the front and rear ends of the connecting piece 3
6 and 36 are connected to each other.
Are attached to the insides of the corresponding chain belts 17, 17 via L-shaped connecting pieces 37, respectively, and each transport slat 33 is installed movably in the longitudinal direction thereof. An extruding mechanism 38 for pushing the conveyed material A and pushing it to the branch conveyor 18 is provided.

The pushing mechanism 38 includes two load receiving rods 35,
A sliding member 39, which is composed of 35 and is slidable in the longitudinal direction of the transport slat 33, and a support piece 41 for attaching a pressing piece 40, which moves along the upper surface of the transport slat 33, to the slide locking member 39. , A guide member 42 provided below the sliding member 39 and guided along the guiding groove portion 24. The sliding member 39 is bent upward in a vertical cross section as shown in FIG. The left and right rising pieces 43 of the metal plate are intervened in the load receiving rods 35, 35 via the slits 34, respectively, and the upper portions 44 thereof are formed wide as shown in FIG. A sliding portion piece 47 that is bent outward and forms a mounting piece 45, and integrally includes stop pieces 46 and 46 that project outward at the front and rear positions of the upper portion 44.
And is made of synthetic rubber having a rectangular cross section and is horizontally long, and is interposed between the attachment pieces 45, and the stop holes 48, 48 provided at the front and rear positions thereof are engaged with the stop pieces 46, 46 to attach the attachment pieces. The load receiving rods 35, 35 are provided with a cushioning member 49 attached to 45 and an opening 50 for fitting the outer surface of the cushioning member 49 on the inner side surface thereof, and notches 51 at the front and rear positions of the bottom piece. And a sliding contact piece 52 made of synthetic resin that slidably engages with the inner surface of the.

The supporting piece 41 has a horizontal lower piece 5 fixed to the upper surface of the horizontal piece 47a of the sliding piece 47 at the lower edge.
3a is bent, and the pair of load receiving rods 35,
5 includes a mounting portion piece 54 that is integrally provided with an upper piece 53b that extends upward from between 35 and bends in the opposite direction to the lower piece 53a and extends horizontally in the upper edge thereof. ，
6, the front and rear side edges a and b are symmetrically inclined toward the feeding roller 19 and the feeding roller 19
A pressing piece 40 that moves on the upper surface of the load receiving rods 35, 35 is attached with the end face c in the upward direction inclined upward. Interfering pieces for intervening between 35 and 35 are provided. That is, on the lower surface of the pressing piece 40, as is clear from FIGS. 9 and 11, the baffle piece 40a and the pressing piece 4 which intervene between the transporting slats 33 adjacent to each other on the feeding roller 19 side.
The pair of load receiving rods 35, 0, and the interfering piece 40b intervening between the load receiving rods 35 are integrally formed. Further, as shown in FIG. 5, a cutout portion 55 is provided from the lower piece 53a to the vertical surface.

The guide member 42 includes the sliding piece 47.
Is inserted into a through hole 56 formed in the horizontal piece 47a, and the upper portion thereof is screwed at the position of the cutout portion 55 by a nut 57 and is suspended in the middle portion of a support shaft 58 which is freely rollable in the guide groove portion 24. A tire piece 59 to be fitted and a switch actuating piece 60 at the lower end are rotatably supported, respectively, and one of the drive shaft 14 and the driven shaft 16 corresponding in the longitudinal direction of the running groove 26. From the upper surface of the frame 1 which is the forward direction of the chain belts 17, 17 to the side portions,
In the process of moving to the lower surface of the frame 1 which is the backward direction of 7, 17 and the process of moving from the backward direction of the chain belts 17 and 17 to the forward direction thereof, the pushing mechanism 38 separated from the running groove 26 is predetermined. Correction rollers 62 each having a fitting groove 61 that engages with the switch actuating piece 60 on the outer circumference for correctly guiding and aligning the position are axially mounted.

As shown in FIG. 6, the point member 30 receives the operation signal based on the bar code information recognized when the conveyed object A is carried into the feeding roller 19 and expands and contracts the operating rod 63. The cylinder 64 and the air cylinder 64 are actuated to horizontally rotate to move the pushing mechanism 38.
Is switched from the running groove 26 to the pushing groove 28, and the number of pushing mechanisms 38 fed to the pushing groove 28 is set by the operation signal of the length dimension of the conveyed object based on the sensor information, and then the pushing mechanism 38 is moved again to the running groove 26. A guide rail 65 that returns to the side and a micro switch 66 that operates with the switch actuating piece 60 to detect the passage of the pressing piece 40 is provided before and after the branch position of each groove.
In addition, 67 has shown the cover of an apparatus.

When carrying the article A, however, the article A is placed on the feeding roller 19 and pushed out onto the carrying surface. In the process of pushing out, the barcode indicating information such as the delivery destination attached to the conveyed product A is read by the barcode reader, and the length dimension of the conveyed product A is recognized through the sensor. Then, the conveyed product A is placed on a conveying surface composed of a large number of conveying slats 33, and moves in the direction of the arrow in FIG. 1 along with the forward movement of the chain belts 17, 17, and the conveyed product A is a bar code. The information is selected, and the operation of the point member 30 guides the selected branch conveyor 18 from the transport surface.

In the pushing mechanism 38, the tire belt 59 is initially guided by the running groove 26, and is aligned along the front position in the longitudinal direction of the frame 1 in the chain belt 1.
1, the tire piece 59 is guided from the running groove 26 to the pushing groove 28 by the operation of the point member 30, and the pushing mechanism 38 is pushed. The number of push-out mechanisms 38 commensurate with the length dimension of the parcel recognized from the sensor information are the push-out grooves 2
8 and moves from the rear position to the front position of the frame 1 along the longitudinal direction of the transport slat 33.

Then, due to both the forward movement of the chain belts 17 and the movement of the pushing mechanism 38 by the pushing groove 28, the conveyed article A is pushed to the selected branch conveyor 18 while being pushed by the pushing piece 40. At this time, even if the conveyed product A is a thin one such as a sheet, the obstruction piece 40
Due to the presence of a and 40b, the article A is supported at two points, and is not sandwiched between the pressing piece 40 and the load receiving rods 35, 35, and is transported without deviation. Then, in the pushing mechanism 38 after pushing out the conveyed object A, the tire piece 59 is guided by the idle groove 27 to move along the front position of the frame 1, and the pushed pushing mechanism 38 in the idle state moves to the frame. When it moves to the end position of No. 1, it is guided again from the idle groove 27 to the running groove 26 via the return groove 29 and aligned with the rear position of the frame 1 in the longitudinal direction. In this state, the pushing mechanism 38
Turns to the lower surface of the frame 1 and returns to the starting position. Also,
The point member 30 in which the required number of the pushing mechanisms 38 are guided to the pushing groove 28 is restored to the initial state.

In the above, the pushing mechanism 38 is moved from the upper surface side of the end portion position of the frame 1 to the lower surface side thereof, that is, the process of moving from the forward direction of the chain belts 17, 17 to the backward direction and at the starting end position of the frame 1. The backlash generated between the inner surface of the load receiving rod 35 and the sliding contact piece 52, which occurs during the transition from the backward direction to the forward direction of the chain belts 17, 17 from the lower surface side to the upper surface side, is caused by the pushing mechanism 38. It is absorbed by the buffer member 49 interposed between the transport slat 33.

FIG. 10 shows another embodiment of the present invention in which an intervening piece 40c for intervening between the conveying slats 33 adjacent to the conveying roller 19 side of the pressing piece 40 is further provided.

[0020]

As described above, according to the present invention, when a thin sheet-like conveyed product is pushed out to the branch conveyor selected by the pressing piece, the conveying object is provided with an obstruction piece provided at the contact side edge of the pressing piece. There is no fear that the conveyed objects will be caught in the gap between the cargo receiving rod and the cargo receiving bar, and smooth conveying and sorting work can be performed. In particular, according to the configuration of claim 2, the conveyed objects are There is an advantage in that it can be correctly conveyed without being displaced by being supported by three or three points, and according to the third aspect, the reinforcing effect can be obtained by the baffle piece.

[Brief description of drawings]

FIG. 1 is a schematic plan view.

FIG. 2 is a schematic side view.

FIG. 3 is a side view with a part of the frame omitted.

FIG. 6 is an enlarged plan view with a part cut away.

FIG. 4 is an enlarged vertical sectional view of a main part.

FIG. 5 is an enlarged vertical cross-sectional view of another main part with a part omitted.

FIG. 7 is an exploded perspective view of essential parts.

FIG. 8 is an enlarged plan view of a terminal portion of the frame with a part omitted.

FIG. 9 is an enlarged vertical sectional view of a main part.

FIG. 10 is an enlarged plan view of a main part with a part omitted.

FIG. 11 is an enlarged vertical sectional view of a main part corresponding to FIG. 9 showing another embodiment.

[Explanation of symbols]

 18 Branch Conveyor 33 Conveying Slat 35 Cargo Receiving Bar 38 Extruding Member 40 Pressing Pieces 40a, 40b, 40c Baffle Piece 41 Supporting Plate A Conveyed Object

Claims (4)

[Claims] 1. A conveyance slat is installed in parallel between a pair of endless belts that run at the front and rear positions of a frame extending in the conveyance direction to form a conveyance surface, and each of the conveyance slats is provided with: On the sliding part movable along the longitudinal direction, the carried object placed on the carrying surface is pressed from one end of the carrying slat to the other end to a required branch conveyor. In a conveying / sorting device comprising an extruding mechanism provided with a pushing piece to be pushed out, an obstacle for intervening between adjoining conveying slats at least on the feed side of the conveyed article at the contact edge of the pressing piece that comes into contact with the conveyed article. A conveying / sorting device characterized in that pieces are integrally provided. 2. The transport slat is composed of two parallel load receiving rods, and is adjacent to the contact edge of the pressing piece that comes into contact with the transported object between the two load receiving rods and / or on the unloading side. The transport sorting device according to claim 1, wherein baffle pieces intervening between the slats are integrally provided. 3. The transport sorting device according to claim 1, wherein the baffle piece is provided by extending in the front-rear width direction of the pressing piece. 4. The transport sorting device according to claim 1, wherein at least an abutting edge of the pressing piece, which abuts on the conveyed product, is inclined so as to become narrower in a feeding direction of the conveyed product. .