JPH1035876A - Sorting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with a feeding device such as a feeding rail or a collector by driving a belt conveyor of a carrying body without using an electric motor. SOLUTION: A belt conveyor 16 to deliver a cargo 15 rearward in the moving direction A of a carrying body 1 is provided on the carrying body 1 moving on a moving track 2, a work roller 24 to be interlocked with either idling roller 17a of a belt conveyor 16 is provided on the belt conveyor 16, and a working body 27 to perform the friction rolling of the work roller 24 is provided at the sorting position 26 set on the moving track 2. The working body 27 is elevated/lowered between the working position P to be brought into contact with the work roller 24 and the evacuation position Q to be separated from the work roller 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sorting device for sorting loads by operating a conveyor provided on a transporting body moving along a moving path and discharging the loads from the transporting body to a predetermined sorting position.

[0002]

2. Description of the Related Art Conventionally, as this kind of sorting apparatus, for example, there is one shown in FIG. That is, 70 has multiple wheels
A fixed moving path 73 supported and guided by a rail 72 via 71
Are a plurality of carriers that move. A belt conveyor 75 that supports the load 74 and that pays out the rear side in the moving direction A of the carrier 70 is provided on the upper part of each carrier 70. Each transport body 70 has an electric motor 76 for driving a belt conveyor 75.
Is provided.

According to this, a load 74 is transferred to a belt conveyor 75.
The sheet is conveyed by the conveyance body 70 while being supported above. Then, at a predetermined sorting position 77 on the moving path 73, the belt conveyor 75 is driven, and the load 74 is discharged to the rear in the moving direction A of the carrier 70, falls, and is sorted to the predetermined sorting position 77.

[0004]

However, in the above-described conventional type, it is necessary to provide the electric motor 76 for driving the belt conveyor 75 for each of the transport bodies 70, so that it becomes expensive. In order to supply electric power to each of the motors 76, a power supply rail 78 is provided on the rail 72,
It is necessary to provide a current collector 79 in the
The cost has increased further.

Accordingly, an object of the present invention is to drive a conveyor of a carrier without using an electric motor, thereby obviating the need for a power supply device such as a power supply rail or a current collector. Things.

[0006]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, a load is transferred to a carrier moving along a moving path in a rearward direction in a moving direction of the carrier. The conveyor is provided with a pair of idler rollers facing each other in the direction of the movement path, and an endless rotating body that is wound between the idler rollers and supports and conveys the load. A working roller for frictionally rolling the working roller is provided at a sorting position set on the moving path, and the working body is in contact with the working roller and the working roller. The idler roller moves between the retracted position and the retracted position, and the idler roller rotates in conjunction with the operating roller.

[0007] According to this, the load is placed on the conveyor and conveyed on the moving path by the conveyer. Immediately before the load reaches the sorting position, the operating body moves from the retreat position to the operating position, and as the transporting body further moves, the operating body comes into contact with the operating roller and causes the operating roller to frictionally roll. Since the idler roller rotates in conjunction with the rolling of the operating roller, the endless rotating body rotates, and the load is discharged from the conveyor to the rear in the moving direction of the transfer body, whereby the load can be sorted. it can.

As described above, since the operation roller interlocked with the idler roller is configured to be frictionally rolled by the operation body, an electric motor for driving the conveyor, which is conventionally required for each conveyance body, is not required. Therefore, a power supply device such as a power supply rail or a current collector is not required, and the cost can be reduced and the structure can be simplified.

Further, according to the present invention, the conveyor regulates the rotation of the idler roller when the operating body is not in contact with the operating roller, and when the operating body comes into contact with the operating roller, the idler roller is prevented from rotating. A brake device for releasing the rotation restriction is provided.

According to this, when the working body is not in contact with the working roller, the brake device regulates the rotation of the idler roller, so that the load placed on the conveyor moves on the moving path due to the movement of the carrier. Is transported, the endless rotating body does not rotate carelessly.

When the operating body comes into contact with the operating roller at the sorting position, the brake device releases the regulation of the rotation of the idler roller, so that the idler roller is rotatable and the operating body comes into contact with the operating roller. By frictionally rolling the operating roller, the load can be discharged and sorted.

Further, the invention according to claim 3 is characterized in that the operating roller is mounted on the rotating shaft of one of the idler rollers. Further, according to a fourth aspect of the present invention, there is provided a brake device comprising: a swingable arm; and a brake body provided at a free end of the arm and pressed against an outer peripheral surface of an operation roller. ,
The brake body swings between a braking position in which the brake body is pressed against the outer peripheral surface of the operation roller and a brake release position in which the brake body is separated from the outer peripheral surface of the operation roller, and is urged by the urging means to the braking position. The arm is pressed by the operating body and swings from the braking position to the braking release position when the operating body contacts the operating roller.

According to this, when the load is placed on the conveyor and conveyed on the moving path by the carrier, the arm is urged to the braking position by the urging means. The working roller is fixed by being pressed against the outer peripheral surface, whereby the rotation of the idle roller is restricted, and the endless rotating body is fixed and does not inadvertently rotate.

Immediately before the load reaches the sorting position, the operating body moves from the retreat position to the operating position, and the transport body further approaches the operating body, so that the arm opposes the urging force of the urging means. Is pushed by the operating body to swing from the braking position to the braking release position. For this reason, the brake body is separated from the outer peripheral surface of the working roller to release the braking of the working roller,
The operation roller becomes rotatable. Thereafter, the working body comes into contact with the working roller to frictionally roll the working roller, whereby the load can be discharged and sorted.

According to a fifth aspect of the present invention, the brake device is provided with a swingable arm and a pair of tapered shapes formed at the free end of the arm and sandwiching the rotating shaft of the operating roller. The distance between one end of both brake surfaces is smaller than the diameter of the rotating shaft of the working roller, and the distance between the other ends of both braking surfaces is smaller than the diameter of the rotating shaft of the working roller. The arm is provided with a braking position in which the rotating shaft of the operating roller is sandwiched between one end portions of the two braking surfaces, and a braking position in which the rotating shaft of the operating roller is released between the other end portions of the two braking surfaces. The arm swings between the releasing position and is urged to the braking position by the urging means. When the operating body comes into contact with the operating roller, the arm is pressed by the operating body, and the arm is pressed from the braking position to the braking release position. It is characterized by swinging to Those were.

According to this, when the load is placed on the conveyor and conveyed on the moving path by the carrier, the arm is urged to the braking position by the urging means. The operation roller is fixed between the one end portions of the pair of brake surfaces, whereby the rotation of the idle roller is restricted, and the endless rotating body is fixed and does not accidentally rotate.

Immediately before the load reaches the sorting position, the operating body moves from the retreat position to the operating position, and the transport body further approaches the operating body, so that the arm opposes the urging force of the urging means. Is pushed by the operating body to swing from the braking position to the braking release position. Therefore, the rotating shaft of the operating roller is released between the other ends of the pair of brake surfaces, and the braking of the operating roller is released, so that the operating roller becomes rotatable. Thereafter, the working body comes into contact with the working roller to frictionally roll the working roller, whereby the load can be discharged and sorted.

Further, in the invention according to claim 6, an intermediate roller is provided on the rotating shaft of one of the idle rollers of the conveyor, and the operating roller is a swingable V-shaped arm provided on the conveyor side. Provided at one free end, the brake device includes the arm, and a brake main body provided at the other free end of the arm and pressed against the outer peripheral surface of the intermediate roller. A braking position where the operating roller is separated from the intermediate roller and the brake body is pressed against the outer peripheral surface of the intermediate roller; and a braking release position where the operating roller is pressed against the intermediate roller and the brake body is separated from the outer peripheral surface of the intermediate roller. And the arm is pressed by the operating body when the operating body comes into contact with the operating roller, and the arm is pressed to the braking position. It is obtained characterized by swings in the brake release position.

According to this, when the load is placed on the conveyor and conveyed on the moving path by the carrier, the arm is urged to the braking position by the urging means. The brake body is separated and the intermediate body is pressed against the outer peripheral surface of the intermediate roller to fix the intermediate roller.
The rotation of the idler roller is restricted, and the endless rotating body is fixed and does not rotate carelessly.

Immediately before the load reaches the sorting position, the operating body moves from the retreat position to the operating position, and the transport body further approaches the operating body, so that the arm opposes the urging force of the urging means. Is pushed by the operating body to swing from the braking position to the braking release position. For this reason, the operation roller is pressed against the intermediate roller, and the brake body is separated from the outer peripheral surface of the intermediate roller to release the braking of the intermediate roller, and the intermediate roller becomes rotatable. Thereafter, the working body frictionally rolls the working roller, whereby the intermediate roller rotates, and the idler roller rotates via the rotating shaft, whereby the endless rotating body rotates, and the load is transferred onto the conveyor. It is paid out and sorted.

Further, in the invention according to claim 7, the moving path is constituted by a linear path portion vertically opposed and an arcuate path portion continuous between the ends of the linear path portions, and the sorting position is determined. It is characterized in that it is set on the straight path portion of the movement route.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. As shown in FIG.
Reference numeral 1 denotes a plurality of transport bodies that move on a vertically moving path 2. The moving path 2 is a straight path section 2a that is vertically opposed.
2b, and arc-shaped path portions 2c and 2d formed between the ends of the straight path portions 2a and 2b.

As shown in FIG. 3 and FIG.
Are connected to a plurality of traveling bodies 3 traveling along the moving route 2 at a predetermined interval. Each of the running bodies 3 is supported and guided by a pair of inner and outer running rails 5 and 6 via a plurality of wheels 4, and the adjacent running bodies 3 are rotatably connected to each other by connecting pins 7. One part of the body 3 is separated without being connected. The traveling rails 5 and 6 are supported on a floor 9 by a support frame 8.

Each of the traveling bodies 3 is driven by a linear motor system. That is, a metal plate 11 forming a secondary conductor of a linear motor is provided on a side surface of each traveling body 3, and each traveling body 3 has the metal plate 11 disposed on the side between the traveling rails 5 and 6. The linear motor 12 (stator) is pushed and travels by obtaining thrust.

Each of the transporting bodies 1 is connected to a connecting portion between the traveling bodies 3 from one side of each of the traveling bodies 3. In addition, a support roller 14 that is fitted into a support rail 13 provided along the movement path 2 and rolls in the support rail 13 is provided on one side of each transport body 1.

A belt conveyor 16 is provided at the upper portion of each of the transport bodies 1 to discharge the load 15 to the rear in the moving direction A of the transport body 1. As shown in FIGS. 1 and 2, the belt conveyor 16 includes a pair of front and rear idler rollers 17a and 17b opposed in the direction of the movement path 2, and both idler rollers 17a and 17b.
A belt 18 (an example of an endless rotating body) that is wound between and supports and transports the load 15, and a rotating shaft 19 that is integrally provided at both ends of the idle rollers 17 a and 17 b via a bearing 20. It comprises a pair of left and right conveyor frames 21 which are freely rotatably supported. On the other side of the back of the belt 18, a belt
A projection 22 for preventing the meandering of 18 is formed over the entire circumference, and the projection 22 is engaged with a groove 23 formed over the entire circumference of the idle rollers 17a and 17b.

An operating roller 24 is provided at the outer end of the rotary shaft 19 on the other side of the front idler roller 17a in the moving direction A of the transport body 1. In addition, sorting positions 26 are set at a plurality of positions on the upper linear path portion 2a of the moving path 2 respectively. Each of the sorting positions 26 has a plate-like shape for frictionally rolling the operation roller 24 from above. An operating body 27 is provided. Each actuating body 27 descends and moves
It is configured to move up and down between an operation position P contacting the outer peripheral surface of the motor 24 and a retreat position Q rising from the operation position P and separated from the operation roller 24. Incidentally, the lifting and lowering of each operating body 27 is performed by a motor (not shown) or a cylinder (not shown).

The belt conveyor 16 is provided with a brake device 28 for regulating the rotation of the front idler roller 17a. The brake device 28 includes a vertically swingable arm 29 provided on one side of the conveyor frame 21, and a brake body 30 provided at the free end of the arm 29 and pressed against the outer peripheral surface of the operation roller 24. And the operating body at the operating position P
And a pair of front and rear guide rollers 31 that roll on the lower surface of 27.

As shown in FIG. 1 and FIG.
And a brake end position where the brake body 30 is pressed against the outer peripheral surface of the operation roller 24 and a brake release position S where the brake body 30 is separated from the outer peripheral surface of the operation roller 24. Torsion coil spring 33 externally fitted to the support shaft 32
(Example of the urging means) is urged to the braking position R.

The two guide rollers 31 are provided at the free end of the arm 29.
An inclined guide surface 34 is formed to guide the operating roller 31 and the operating roller 24 to the lower surface of the operating body 27 smoothly. When the operating body 27 contacts the operating roller 24, the arm
29 is pushed down by the operating body 27 via both guide rollers 31 and swings from the braking position R to the braking release position S.

A plurality of projecting pieces 35 are formed on the surface of the belt 18 to prevent the load 15 from dropping and to push the load 15 out in the width direction. As shown in FIGS. 3 and 4,
On the table 36 provided on the support frame 8, a plurality of receiving boxes 37 for receiving the load 15 discharged from each carrier 1 and dropped are arranged.

The operation of the above configuration will be described below.
As shown in FIG. 3, the plurality of connected traveling bodies 3 travel while being supported and guided by traveling rails 5 and 6 via wheels 4 by a linear motor 12. 2 and the load 15 placed on the belt conveyor 16
Is transported on the movement path 2 by the movement of the transport body 1.

At this time, since the arm 29 is urged to the braking position R by the torsion coil spring 33, the brake body 30
Is pressed against the outer peripheral surface of the operating roller 24 to fix the operating roller 24, whereby the rotation of the front idler roller 17a is restricted,
The belt 18 of the belt conveyor 16 is fixed and does not rotate carelessly. Further, as shown in FIG. 1, the load 15 is placed on the belt conveyor 16 between the pair of front and rear projecting pieces 35 in the movement path 2, so that the load 15 drops off to the front and rear of the belt conveyor 16. Can be prevented.

Immediately before the load 15 reaches the target sorting position 26, the operating body 27 descends from the retreat position Q to the operating position P, as shown in FIG. As a result, as shown in FIG.
Both guide rollers resist the urging force of the torsion coil spring 33
It is pushed down by the operating body 27 via 31 and swings from the braking position R to the braking release position S. Therefore, the brake body 30 is separated from the outer peripheral surface of the operation roller 24 to release the braking of the operation roller 24, and the operation roller 24 becomes rotatable. Thereafter, as the transport body 1 moves in the movement direction A, the operating body 27 comes into contact with the outer peripheral surfaces of the operating roller 24 and the two guide rollers 31, and the operating roller 24 and the two guide rollers 31 are guided to the guide surface. And smoothly rolls the lower surface of the operating body 27 by friction. Due to the rolling of the operation roller 24, the front idler roller 17a rotates via the rotary shaft 19, and accordingly, the belt 18 rotates in the direction of arrow B, and the rear idler roller 17b rotates. After rotation, the load 15 is discharged to the rear of the belt conveyor 16 and falls as shown in FIG. 7, and is received in a predetermined receiving box 37 and sorted as shown in FIG. Even if the surface of the belt 18 slips with respect to the load 15 with the rotation of the belt 18, the protrusions 35 forcibly push the load 15 to the rear of the belt conveyor 16, so that the load 15 is reliably discharged. .

As described above, since an electric motor for driving the belt conveyor 16 which is conventionally required for each transport body 1 is no longer required, a power supply device such as a power supply rail and a current collector is also unnecessary, thereby reducing costs. In addition, the structure can be simplified.

As shown in FIG. 7, when the operating roller 24 and both guide rollers 31 pass below the operating body 27 by further movement of the transport body 1, the operating body 27 is moved from the operating position P to the retreat position Q. Ascend to evacuation and arm 29
Is returned from the braking release position S to the braking position R by the urging force of the torsion coil spring 33. As a result, the brake body 30 is pressed against the outer peripheral surface of the operation roller 24,
, The rotation of the front idler roller 17a is restricted, and the belt 18 of the belt conveyor 16 is fixed and does not rotate carelessly. Then, as shown in FIG. 3, the empty carrier 1 is moved from the upper straight path section 2a of the moving path 2 to the lower straight path section 2b via one arcuate path section 2d.
Move to.

Hereinafter, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. As shown in FIGS. 8 and 9, the rotating shaft 19 to which the operation roller 24 is attached is
And further project outward. The brake device 45 includes an arm 46 and a pair of tapered brake surfaces 47 formed at the free end of the arm 46 and sandwiching the projecting tip 19a of the rotating shaft 19 from both sides. ,
It comprises a pair of front and rear guide rollers 48. That is, at the free end of the arm 46, an opening 49 through which the tip 19a of the rotating shaft 19 is inserted is formed in a fan shape, and the brake surface 47 is formed at the front and rear edges of the opening 49. . The distance between the lower ends of these two brake surfaces 47 is smaller than the diameter of the tip 19a of the rotary shaft 19, and the distance between the upper ends of the brake surfaces 47 is larger than the diameter of the tip 19a of the rotary shaft 19. Is formed. As shown in FIGS. 9 and 10, the arm 46 includes a braking position R in which the distal end 19a of the rotating shaft 19 is sandwiched between the lower ends of both brake surfaces 47, and a distal end 19a of the rotating shaft 19. Swings between a brake release position S which is released between upper ends of both brake surfaces 47.

The arm 46 has a support shaft at the base end thereof.
Torsion coil spring 33 externally fitted to 32 (an example of biasing means)
To the braking position R. And the operating body 27
When the arm contacts the operating roller 24, the arm 46 is pushed down by the operating body 27 via both guide rollers 48, and the braking position R
To the braking release position S.

The operation of the above configuration will be described below.
The plurality of connected traveling bodies 3 are driven by the linear motor 12.
The vehicle travels while being supported and guided by the traveling rails 5 and 6 via the wheels 4, whereby each transport body 1 moves on the moving path 2,
The load 15 placed on the belt conveyor 16 is transported on the movement path 2 by the movement of the transport body 1.

At this time, as shown in FIG. 9, since the arm 46 is urged to the braking position R by the torsion coil spring 33, the tip portion 19a of the rotating shaft 19 is sandwiched between the lower end portions of both brake surfaces 47. As a result, the rotation of the front idler roller 17a together with the operating roller 24 is restricted, and the belt 18 of the belt conveyor 16 is fixed and does not rotate carelessly.

Immediately before the load 15 reaches the target sorting position 26, the operating body 27 descends from the retreat position Q to the operating position P, and the transport body 1 further approaches the operating body 27, as shown in FIG. As shown, the arm 46 is a torsion coil spring.
Working body is opposed to both guide rollers 48 against the biasing force of 33.
27 to swing from the braking position R to the braking release position S. For this reason, since the tip portion 19a of the rotating shaft 19 is released between the upper end portions of both brake surfaces 47 and becomes rotatable,
The operation roller 24 and the front idler roller 17a are in a rotatable state. Thereafter, as the transport body 1 moves in the movement direction A, the operating body 27 comes into contact with the outer peripheral surfaces of the operating roller 24 and both guide rollers 48, and the operating roller 24 and both guide rollers 48 are guided to the guide surface 34. And smoothly rolls the lower surface of the operating body 27 by friction. By the rolling of the operating roller 24,
As shown in FIG. 11, the front idler roller 17a rotates through the rotation shaft 19, and the belt 18 rotates in the direction of arrow B, and the rear idler roller 17b rotates. load
15 is discharged to the back of the belt conveyor 16 and falls,
As shown in 12, they are received in a predetermined receiving box 37 and sorted.

As described above, since an electric motor for driving the belt conveyor 16 which has been conventionally required for each transport body 1 is no longer necessary, a power supply device such as a power supply rail and a current collector is also unnecessary, and cost is reduced. In addition, the structure can be simplified.

As shown in FIG. 11, when the operating roller 24 and the two guide rollers 48 pass below the operating member 27 due to the further movement of the conveying member 1, the operating member 27 moves from the operating position P to the retreat position Q. Ascending and retreating, arm 46
Is returned from the braking release position S to the braking position R by the urging force of the torsion coil spring 33. As a result, the front end 19a of the rotating shaft 19 is sandwiched and fixed between the lower ends of both brake surfaces 47, and the rotation of the front idler roller 17a together with the operating roller 24 is regulated.

Hereinafter, a third embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. As shown in FIGS. 13 and 14, the outer end of the rotating shaft 19 on the other side of the front idler roller 17a is
An intermediate roller 61 is provided. The conveyor frame 21 on one side is provided with a V-shaped arm 62 that can swing up and down. An operating roller 63 which can freely press and separate from the outer peripheral surface of the intermediate roller 61 is provided at a free end portion below the arm 62 so as to freely rotate. In addition, a brake body 64 that is pressed against the outer peripheral surface of the intermediate roller 61 is provided at the free end above the arm 62. Arm 62 and brake body
The brake device 65 is constituted by 64.

As shown in FIGS. 13 and 17, the arm 62 has a braking position R at which the operating roller 63 is separated from the intermediate roller 61 and the brake body 64 is pressed against the outer peripheral surface of the intermediate roller 61. The operation roller 63 comes into pressure contact with the intermediate roller 61 and the brake body 64 swings between a brake release position S where the brake body 64 is separated from the outer peripheral surface of the intermediate roller 61. Further, the arm 62 is urged to the braking position R by a torsion coil spring 33 (an example of an urging means) externally fitted to the support shaft 32 at the base end.

At each sorting position 26, a plate-shaped operating body 67 for frictionally rolling the operating roller 63 from below is provided. As shown in FIG. 13, each operating body 67 moves up and down between an operating position P that comes into contact with the outer peripheral surface of the operating roller 63 and a retracting position Q that descends from the operating position P and separates from the operating roller 63. It is configured to move up and down. Then, as shown in FIG. 17, when the operating body 67 comes into contact with the operating roller 63, the arm 62 is pushed up by the operating body 67 via the operating roller 63, and moves from the braking position R to the braking release position S. Rocks. Note that an inclined guide surface 68 is formed on the upper surface of the operating body 67 to guide the operating roller 63 smoothly to the upper surface of the operating body 67.

The operation of the above configuration will be described below.
As shown in FIG. 15, the plurality of connected traveling bodies 3 travel while being supported and guided by traveling rails 5 and 6 via wheels 4 by a linear motor 12, whereby each transport body 1 travels along a moving path. 2 and the load 15 placed on the belt conveyor 16
Is transported on the movement path 2 by the movement of the transport body 1.

At this time, as shown in FIG. 13, since the arm 62 is urged to the braking position R by the torsion coil spring 33, the operating roller 63 is separated from the intermediate roller 61 and the brake body 64 is moved to the intermediate roller 61. The intermediate roller 61 is fixed by being pressed against the outer peripheral surface of the idler roller 17a.
Is restricted, and the belt 18 of the belt conveyor 16 is fixed and does not rotate carelessly.

Immediately before the load 15 reaches the target sorting position 26, the operating body 67 rises from the retreat position Q to the operating position P, and the transport body 1 further approaches the operating body 67, as shown in FIG. As shown, the operating roller 63 is guided by the guide surface 68 and smoothly rides on the upper surface of the operating body 67, whereby the arm 62 operates via the operating roller 63 against the urging force of the torsion coil spring 33. It is pushed up by the body 67 and the braking position R
To the braking release position S. Therefore, the brake body 64 is separated from the outer peripheral surface of the intermediate roller 61, and the intermediate roller 61
Is released, the intermediate roller 61 becomes rotatable, and the outer peripheral surface of the working roller 63 is pressed against the outer peripheral surface of the intermediate roller 61. Further, as the transport body 1 moves in the movement direction A, the operation roller 63 frictionally rolls on the upper surface of the operation body 67. The rolling of the operating roller 63 causes the intermediate roller
61 rotates, the front idler roller 17a rotates via the rotary shaft 19, and accordingly, the belt 18 rotates in the direction of arrow B and the rear idler roller 17b rotates. As shown in FIG. 18, the load 15 is discharged to the rear of the belt conveyor 16, falls, and is received in a predetermined receiving box 37 and sorted as shown in FIG.

As described above, since an electric motor for driving the belt conveyor 16 which is conventionally required for each transport body 1 is no longer required, a power supply device such as a power supply rail or a current collector is also unnecessary, and cost is reduced. In addition, the structure can be simplified.

As shown in FIG. 18, when the operating roller 63 passes above the operating body 67 due to the further movement of the transport body 1, the operating body 67 descends from the operating position P to the retreat position Q and retreats. With the arm 62, the torsion coil spring 33
The braking force returns to the braking position R from the braking release position S. As a result, the operating roller 63 is separated from the intermediate roller 61, and the brake body 64 is pressed against the outer peripheral surface of the intermediate roller 61 to fix the intermediate roller 61, whereby the rotation of the front idler roller 17a is restricted. Therefore, the belt 18 of the belt conveyor 16 is fixed and does not rotate carelessly. Then, as shown in FIG. 15, the empty carrier 1 is moved from the upper straight path 2a to the one circular path 2d.
And moves to the lower straight path section 2b.

In each of the above embodiments, as shown in FIG. 5, the moving path 2 is composed of the straight path sections 2a and 2
b and arcuate path portions 2c and 2d formed between the ends of the straight path portions 2a and 2b. It may be configured so as to be horizontal around the arc-shaped path portion formed between the ends of the path portion.

In each of the above embodiments, FIGS.
As shown in the figure, the belt conveyor 16 is turned upside down in the lower linear path portion 2b of the moving path 2, but in all the path sections 2a to 2d of the moving path 2, the belt conveyor 16 is always horizontal with the loading surface facing upward. You may comprise so that it may be maintained in a posture. In this case, all the route portions 2a to 2a of the moving route 2
Since the load 15 can be placed and conveyed on the belt conveyor 16 at d, the load 15 can be sorted in the lower straight path portion 2b in the same manner as the upper straight path portion 2a. .

[0054]

As described above, according to the first aspect of the present invention, the idle roller of the conveyor rotates in conjunction with the operation roller by frictionally rolling the operation roller with the operation body. However, since the conveyor is configured to be driven, an electric motor for driving the conveyor, which is conventionally required for each carrier, is not required, and therefore,
A power supply device such as a power supply rail or a current collector is not required, so that cost can be reduced and the structure can be simplified.

[Brief description of the drawings]

FIG. 1 is a side view of a conveyor and an operating body of a sorting device according to a first embodiment of the present invention.

FIG. 2 is a front view of the conveyor and an operating body.

FIG. 3 is an enlarged side view of a part of the sorting device.

FIG. 4 is a view taken in the direction of arrows XX in FIG. 3;

FIG. 5 is a schematic side view of the entire sorting apparatus.

FIG. 6 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 7 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 8 is a front view of a conveyor and an operating body of a sorting device according to a second embodiment of the present invention.

FIG. 9 is a side view of the conveyor and the operating body.

FIG. 10 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 11 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 12 is a view of the entire sorting apparatus as viewed from a longitudinal section.

FIG. 13 is a side view of a conveyor and an operating body of a sorting device according to a third embodiment of the present invention.

FIG. 14 is a front view of the conveyor and an operating body.

FIG. 15 is an enlarged side view of a part of the sorting device.

16 is a view as viewed in the direction of arrows XX in FIG. 15;

FIG. 17 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 18 is a side view of a conveyor and an operating body for explaining a driving method of the conveyor.

FIG. 19 is a side view for explaining a method of driving a conveyor of a conventional sorting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor 2 Moving path 2a, 2b Straight path part 2c, 2d Arc path part 15 Load 16 Belt conveyor 17a, 17b Idling roller 18 Belt (endless rotating body) 19 Rotary shaft 24 Working roller 26 Sorting position 27 Working body 28 Brake device 29 Arm 30 Brake body 33 Torsion coil spring (biasing means) 45 Brake device 46 Arm 47 Brake surface 61 Intermediate roller 62 Arm 63 Operation roller 64 Brake body 65 Brake device 67 Actuator A Moving direction P Operating position Q Evacuation position R Braking position S Braking release position

Claims (7)

[Claims] 1. A conveyor for discharging a load to a rear side in a moving direction of a transporting body is provided on a transporting body that moves on a moving path, and the conveyor includes a pair of idler rollers facing each other in the direction of the moving path. An endless rotating body that is wound between idler rollers and supports and conveys the load.An operating roller is provided on the conveyor side, and the operating roller is frictionally rolled to a sorting position set on the moving path. An actuating body to be moved is provided, the actuating body moves between an operating position in contact with the operating roller and a retracted position separated from the operating roller, and the idler roller rotates in conjunction with the operating roller Sorting device characterized by the above-mentioned. 2. A conveyor according to claim 1, further comprising a brake device for restricting the rotation of the idler roller when the operating body is not in contact with the operating roller, and releasing the rotation of the idler roller when the operating body contacts the operating roller. The sorting device according to claim 1, wherein the sorting device is provided. 3. The operating roller is mounted on a rotating shaft of one of the idler rollers.
Sorting device as described. 4. A brake device comprising: a swingable arm;
A brake body provided at the free end of the arm and pressed against the outer peripheral surface of the operating roller; the arm includes a braking position at which the brake body is pressed against the outer peripheral surface of the operating roller; The arm swings between a braking release position separated from the outer peripheral surface of the roller and is urged to the braking position by an urging means, and when the operating body comes into contact with the operating roller, the arm is pressed against the operating body. 4. The sorting device according to claim 3, wherein the device is moved from the braking position to the braking release position. 5. A brake device comprising: a swingable arm;
And a pair of tapered brake surfaces formed at the free end of the arm and sandwiching the rotating shaft of the operating roller. And the distance between the other ends of both brake surfaces is formed larger than the diameter of the rotating shaft of the operating roller, and the arm is arranged such that the rotating shaft of the operating roller is located between one end of both braking surfaces. While swinging between a sandwiched braking position and a braking release position in which the rotation shaft of the operation roller is released between the other end portions of both brake surfaces, the rotating shaft is urged by the urging means to the braking position, The arm is pressed by the operating body when the operating body comes into contact with the operating roller, and swings from the braking position to the braking release position.
Sorting device as described. 6. An intermediate roller is provided on the rotating shaft of one of the idler rollers of the conveyor, and the operating roller is provided on one free end of a swingable V-shaped arm provided on the conveyor side. A brake device comprising: the arm; and a brake body provided at the other free end of the arm and pressed against the outer peripheral surface of the intermediate roller. The arm separates the operating roller from the intermediate roller. And a braking position where the brake body is pressed against the outer peripheral surface of the intermediate roller,
The operating roller presses against the intermediate roller and the brake body swings between a braking release position separated from the outer peripheral surface of the intermediate roller, and is urged to a braking position by urging means. 3. The sorting apparatus according to claim 2, wherein the arm is pressed by an operating body to swing from a braking position to a braking release position when the arm contacts the operating roller. 7. The moving path is composed of a straight path section facing vertically and an arcuate path section continuous between the ends of the two straight path sections, and the sorting position is set on the straight path section of the moving path. 2. The sorting device according to claim 1, wherein the sorting device is set.