JPS63295318A - Material sorting device - Google Patents

Abstract

PURPOSE:To reduce motor capacity and to save space, in packet sorbing device, by arranging a classifying shoot on the side of a looped travel path where linear travel sections are arranged vertically, then coupling a truck mounted with an inclinable pan movably between trucks and driving through a linear motor. CONSTITUTION:Horizontal linear paths 1Y, 1Z are arranged vertically in parallel with the opposite end sections 1X thereof being bent and inclined then coupled each other so as to provide a looped travel path 1. Many classifying shoots 2a-2n are juxtaposed on the side of the travel path 1 and transfer conveyors 4a-4c are connected. A travel truck 3 comprises a linear motor 6, a V-shaped pan 31 rollable around a shaft 30S, a wheel 30W and a guide roller 30G, and coupled with other trucks through coupling brackets and run on a travel path 1. With such arrangement, the capacity of linear motor can be reduced and the installation space can be saved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an article sorting device suitable for low noise and energy saving.

[Conventional technology and its problems]

Conventionally, devices for sorting items such as parcels and letters by their destination and other information have been equipped with an endless conveyor line.
A supply line and a sorting line are installed at arbitrary locations on this conveyance line, and a large number of tray-carts are connected to a chain conveyor on the line, and the tray-carts are run on the line. Therefore, the driving of the chain conveyor generates a lot of noise, and the structure is complicated.

For this reason, a method has been used in which a single tray car is driven by a linear motor, for example, the method shown in FIG. 6. However, when a large number of tray carts are arranged in succession and circulated along an endless conveyance line, a curved portion is required in the rotating portion that changes direction. In this curved section, running resistance becomes large in the conventional one-tray trolley. The power required at the curved portion accounts for a large proportion of the capacity of the power source required to drive a single tray car. In other words, due to the curved portion, a large capacity power source is required.

Particularly, in the method of driving with a linear motor, increasing the capacity requires narrowing the installation interval between linear motors or arranging a large number of linear motors, which poses a problem of increasing equipment costs.

On the other hand, conventionally, a conveyance line is arranged in an endless plane and a large number of sorting chutes are provided outside the conveyance line to sort articles.

For this reason, a large planar space was required. For this reason, there has been a desire for an apparatus in which the conveyance line is arranged three-dimensionally in order to reduce the space required. However, there was no conventional device that could achieve this.

In view of this, the present invention makes it possible to effectively utilize the thrust of the linear motor to drive a tray cart, eliminates the need to increase the capacity of the linear motor, and furthermore allows the transfer line to be arranged three-dimensionally, reducing the installation space. An object of the present invention is to provide an article sorting device driven by a linear motor.

[Means for solving problems]

Straight running paths are arranged above and below, and multiple sorting chutes are arranged on the sides of the straight sections of the loop-shaped running path, which is bent into a loop shape at both ends, and tiltable pans are placed on this running path. The present invention is characterized in that a large number of running bogies are arranged so that they can be run by linear motors, and adjacent running bogies are movably connected so that all the running bogies can be driven simultaneously by linear motors. do.

〔Example〕

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The article sorting apparatus of the present invention will be explained below based on illustrated embodiments.

In the figure, reference numeral 1 denotes a loop-shaped running path, and this is a pedestal 1 on which the lower part of the running rail 1a is arranged at a required interval.
b, and both ends 1 of the traveling rail 1a.
The straight paths IY and IZ are bent and inclined at x, and the other portions are horizontal, and the straight paths IY and IZ are arranged to be vertically parallel, and the traveling rail 1a forms a loop shape as a whole. are doing. And this upper straight path I
A large number of sorting chutes 2a, 2b, . One or more transfer conveyors 4a, 4b, etc. are arranged at the point where the conveyors are transferred onto the pan of the traveling truck, and a plurality of transfer conveyors 4a, 4b, etc. are provided along the entire length of the loop-shaped traveling path 1. Traveling vehicles 3.3... are arranged, and adjacent traveling vehicles 3.3 are connected to each other so as to be swingable, and all traveling vehicles run at the same time. The traveling of this traveling trolley 3 is carried out by several linear motors 6 71' arranged at one end of the traveling path 1, for example at the end opposite to the transfer conveyor, at an appropriate interval. 6.6
A large number of traveling carts placed on a traveling path 1 are simultaneously transported. Two or three of these linear motors 6 are installed at the end of the straight road 1z so that the running bogie on the running path is pushed up the inclined curved road, and also provides additional thrust to the bogie moving up the curved road. Two or three linear motors 6 are arranged at the ends of the upper straight road IY so as to give the same, and several linear motors 6 are arranged at the upper and lower ends of the straight road near one of the curved roads.

Here, the linear motors were distributed and arranged in several units.
By arranging the horizontal guide rollers 30G in a distributed manner, it is possible to reduce the tension of the pan connection part, making the structure of the pan connection part smaller and lighter. This is so that it is possible to measure the reduction in running resistance due to this, and to reduce the capacity of the linear motor.

Note that the running speed and braking of the traveling truck are controlled by this linear motor 6. In addition, in order to drive the traveling truck more efficiently with this linear motor 6, a third
As shown in the figure, linear motors 6 are disposed so as to face both sides of a reaction plate 32 that is vertically installed on the lower surface of the traveling truck 3, and these two linear motors 6 are arranged as a set.
A thrust is applied from both sides of this reaction plate 32 at the same time. Moreover, the linear motor 6 is fixed to the frame of the running path.

The traveling truck 3 is shown in detail in FIGS. 3 to 5. A reaction plate 32 is installed vertically at the lower part of a truck main body 30 having a predetermined size along the running direction of the truck 3, and a hinge 30H is provided at the upper part of the shaft 30S supported by a pan support bracket 30B. The pan 31 is provided to be swingable and tiltable through the hinge 30H or directly on the shaft 30S. This pan 31 has a 7-shaped pond shape to ensure that articles can be transferred. reaction plate 3
A frame 33 is fixed to the lower end of the vehicle 2, and a wheel 30W is provided at the bottom of this frame so that the vehicle can run on the rail IR of the travel path 1, and the entire load of the vehicle 3 is supported by the wheel 30W. Furthermore, two horizontal guide rollers 30G are provided at both front and rear end positions of the frame 33,
This horizontal guide roller 30G is sandwiched between the guide rails IG provided on opposite sides of the rail IR on the running path to prevent the lower part of the reaction plate 32 from tilting in the left and right directions with respect to the running direction. To maintain a constant gap between a plate 32 and a linear motor 6. Further, the rail IR is provided with an upper rail IU, and a vertical guide roll 30R provided on the frame in the mounting direction.
is brought into contact with the lower surface of the upper rail IU to prevent the traveling bogie from floating off the traveling path due to the thrust given by the linear motor 6 during traveling. Brackets 3B, 3B are protruded from the back sides of both side plates of the pan 31.
The lower ends of B and 3B are brought into contact with a support roller 34 movably provided on the main body 30, and the support roller 34 abuts and supports the bracket 3B, thereby preventing the pan 31 from tilting. Position the pan at the position shown by the solid line in Figure 3. This support roller 34 is connected to a shaft 35 supported by the main body 30.
A roller support shaft 34S is provided protruding from the shaft 343, and is rotatably supported by the shaft 343, and a restoring spring 35 is attached to the shaft 35.
A lever 35L is attached to the shaft end, and by pushing this lever 35L, the support roller 34 is tilted via the shaft 35 and the roller support shaft, and when the support roller 34 is tilted, it comes into contact with the bracket 3B. The contact is released and the pan 31 can freely tilt. At this time, the main body 30 is provided with a shock absorber 36 that abuts and supports the back surface of the pan so that the tilting of the pan stops at a predetermined angle.

A connecting bracket 37° 37 is attached to the front end of the main body 30 in the running direction.
The upper guide roller 37G is rotatably supported on a connecting shaft 37S that extends vertically through the connecting bracket 37 and is provided with a turnbuckle type connecting rod 38.
Lock the end of the The end of the connecting rod 38 and the connecting shaft 373 are engaged by a ball joint type, so that even if the adjacent front and rear traveling carts swing in different directions, the ball joint portion prevents the swinging. The traveling vehicles are connected to each other so that they can run smoothly.

A tiltable pan provided on the top of the traveling cart 3 is tilted at a fixed position on the transfer conveyor 4 or the sorting chute 2, so that goods can be loaded and unloaded quickly and reliably. , a conventionally used device is employed.

〔Effect of the invention〕

According to the present invention, the sorting trolleys are movably connected to each other, and are provided so that they can run freely on a loop-shaped running path with a straight path arranged above and below via an inclined curved part at both ends. Since a large number of sorting chutes and an arbitrary number of transfer conveyors are arranged on the side of the straight path, there is no need to increase the capacity of the linear motor, and it has the advantage of being able to perform a large number of sorts even in a small installation space. .

[Brief explanation of drawings]

Fig. 1 is a schematic plan view of the apparatus for sorting articles of the present invention, Fig. 2 is a front view thereof, Fig. 3 is a longitudinal cross-sectional side view of the running cart, Fig. 4 is a front view of the running cart, and Fig. 5 is its plan view. FIG. 6 is a schematic diagram of a known sorting device.

Claims (2)

[Claims] (1) A plurality of sorting chutes are arranged on the sides of the straight portion of the loop-shaped travel path, which is formed by arranging straight travel paths above and below and bent into a loop shape at both ends, and can be tilted on this travel path. A large number of running bogies equipped with pans are movable by linear motors, and adjacent running bogies are movably connected.
An article sorting device characterized in that all traveling carts are driven simultaneously by linear motors. (2) A plurality of sorting chutes are arranged on the sides of the straight section of the loop-shaped running path, which is formed by arranging the straight running path vertically and bending into a loop shape at both ends, and can be tilted on this running path. A large number of running bogies equipped with pans are movable by linear motors, and adjacent running bogies are movably connected.
All the traveling bogies are made to run at the same time using a linear motor, and each traveling bogie is equipped with wheels for running and guide rollers for guiding on the reaction plate hanging down at the bottom of the bogie, and a guide roller is also provided on the main body of the traveling bogie. 1. An article sorting device characterized in that a traveling cart is made to run stably on a traveling path.