JPH04298252A - Empty can screening device - Google Patents

Abstract

PURPOSE:To easily screen empty cans by attracting the steel cans to the inner peripheral surface of a screening drum and discharging only the Al cans from the screening drum at the time when the empty cans pass the inside of the screening drum, and by stripping the steel cans by a steel can chute and discharging these cans via this chute. CONSTITUTION:The freely rotatable screening drum 12 having its axial center in a horizontal direction is provided at the front end of a transporting device. Permanent magnets 14 as magnetic devices 13 are mounted to the outer peripheral surface of this drum 12 and the steel cans S are attracted to the inner peripheral surface of the drum 12. Further, the steel can chute 19 having the function to strip the steel cans S is provided on the upper lateral side of the drum 12 of an empty can outlet side 11 and the Al can chute 20 is provided on the lower lateral side thereof. The empty cans are charged into the rotating drum 12, by which the cans S are attracted to the inner peripheral surface of the drum 12 and the Al cans (c) are discharged via the chute 20 from the drum 12. The cans S are stripped by the chute 19 and are discharged via the chute 19.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open can sorting device for sorting open cans into steel cans and aluminum cans.

0002

[Prior Art] Conventionally, empty cans collected during waste collection are
We manually sort open cans into aluminum cans and steel cans.
We try to recycle each can. However, the manual sorting of open cans is extremely troublesome, so
An automatic sorting device has been developed. Such a sorting device is
A rotating sorting drum is installed above the middle of the conveyor belt, and a magnet is installed inside the sorting drum, and the magnet attracts steel cans carried on the belt to the outer circumferential surface of the sorting drum. Also, by conveying the aluminum cans to the other side using a conveyor belt,
I was making that selection.

Further, a can holder is attached to the outer peripheral surface of the sorting drum, and the steel cans are removed from the sorting drum using the can holder.

0004

[Problems to be Solved by the Invention] However, the above sorting device had the following drawbacks. That is, in the open can sorting device, a sorting drum for adsorbing steel cans is disposed midway above the conveyor belt, and the open cans pass between the conveyor belt and the sorting drum. However, the crushed open cans piled up on the conveyor belt and became jammed with the sorting drum, stopping the operation of the conveyor belt and the sorting drum, making it impossible to carry out the sorting work smoothly.

[0005] Also, at this time, the rotation of the sorting drum causes the aluminum cans on the conveyor belt to fall to the side.
It was not possible to carry out reliable sorting work.

SUMMARY OF THE INVENTION An object of the present invention is to provide an open can sorting device that solves the above problems.

[0007]

[Means for Solving the Problems] In the present invention, a sorting drum with the axis oriented horizontally is arranged at the tip of the conveying device so as to be rotatable around the axis, and empty cans can be fed into the drum. The present invention is characterized in that a magnetic device for attracting steel cans is attached to the sorting drum, and a steel can chute having a steel can stripping function is provided inside the sorting drum. The present invention provides an open can sorting device.

[0008] Furthermore, the present invention provides that the outer circumferential surface of the sorting drum has
It features a permanent magnet attached to attract steel cans to the inner surface of the sorting drum.

[0009] The present invention also provides a method in which a sorting drum whose shaft center is transverse and is rotatable around the axis is connected in communication with the tip of the conveyor which is sloped upward toward the destination. It is characterized by being configured so that empty cans placed in the sorting drum can be automatically discharged by tilting the drum toward the front.

0010

[Effects of the Invention] According to the present invention, empty cans transported from a conveyor are transported into a sorting drum, and as the empty cans pass through the sorting drum, a magnetic device is used to attach the empty cans to the inner circumferential surface of the sorting drum. The steel cans are adsorbed and only the aluminum cans are discharged from the sorting drum. On the other hand, the steel cans adsorbed on the inner peripheral surface of the sorting drum are transferred to the upper side by the rotation of the sorting drum, and then the steel cans are The cans are peeled off from the sorting drum, and the steel cans are discharged from the steel can chute, so that aluminum cans and steel cans can be sorted.

As described above, according to the present invention, when the open cans are passed through the rotating sorting drum, even crushed open cans can be reliably handled by adsorbing the steel cans to the inner peripheral surface of the rotating sorting drum. can be sorted into.

0012

[Embodiment] An embodiment of the present invention will be described in detail with reference to the drawings. In the side view of FIG. There is. As shown in FIG. 2, this conveyor 2 has a drive sprocket 4 and an idler sprocket 5 rotatably attached to the left and right sides of a conveyor frame 3, and a conveyor belt 6 is suspended between each sprocket 4, 5. Note that M indicates a drive motor interlocked with the drive sprocket 4.

Furthermore, this conveyor frame 3 is provided with a leg 7 on one side thereof, so that the conveyor 2 is in an inclined state, and the empty can sorting device 1 is attached to the upper part of the upwardly sloped conveyor 2. . Further, on the other side of the delivery conveyor 2, an empty can storage section 8 is provided, and a fixed amount of empty cans a placed in the storage section 8 are placed on the conveyor belt 6 and conveyed to the empty can sorting device 1. do.

Next, the structure of the empty can sorting device 1 of the present invention will be explained in detail. That is, a box-shaped case 9 is connected to the tip of the conveyor frame 3 via a bracket 9a, and openings are provided on the front and rear surfaces of the case 9. Toaki can exit 11. Furthermore, a sorting drum 12 is housed inside the case 9, the axis of which is in the horizontal direction, and which is rotatable around the axis.
Moreover, a magnetic device 13 is attached to the sorting drum 12 to make the sorting drum 12 itself magnetic.

In this embodiment, a large number of permanent magnets 14 are attached to the outer peripheral surface of the sorting drum 12 as the magnetic device 13.
The sorting drum 12 is made magnetic.

Among the empty cans a passing through the sorting drum 12, the permanent magnet 14 attracts the steel cans s to the inner peripheral surface of the sorting drum 12, and also attracts the aluminum cans that are not attracted to the sorting drum 12. c passes through the sorting drum 12.

A support member 9c is provided at the rear of the case 9.
A rotary shaft 15 is disposed in the front-rear direction through the rotary shaft 15, and the sorting drum 12 is pivotally supported on the rotary shaft 15 via a stay 15a. A plurality of adjacent rolling wheels 16 are attached to rotatably support the sorting drum 12.

Furthermore, in this embodiment, a certain space 17 is provided between the rotary shaft 15 and the sorting drum 12 by the stay 15a, and the empty cans a are passed through the space 17 into the sorting drum 12. I am trying to invest in it. In addition, 1
Reference numeral 8 denotes a chain from a sorting drum motor provided at the rear of the case 9, and is interlocked and connected to the rotating shaft 15. Furthermore, in this embodiment, as shown in FIG.
is sloped downward toward the front, so that the open cans a in the sorting drum 12 are automatically dropped and discharged in the direction of the open can outlet side 11. On the front of such case 9,
A steel can chute 19 and an aluminum can chute 20 are provided, and steel cans s and aluminum cans c are separately discharged from each chute 19, 20.

In this embodiment, as shown in FIGS. 2 and 3, the base end of the steel can chute 19 is attached to the upper inner side of the sorting drum 12 on the open can outlet side 11, and the tip thereof is directed forward. It is slanted. Moreover, a stripping plate 21 is attached to the base end of the steel can chute 19, and the stripping plate 21 contacts the upper inner surface of the sorting drum 12.
1, the steel cans s adhering to the upper inner surface of the sorting drum 12 are peeled off, and the same chute 19 removes the steel cans s.
I try to receive it and let it flow out.

On the other hand, as shown in FIGS. 2 and 3, the aluminum can chute 20 has its base end attached to the lower inner surface of the sorting drum 12, and its tip end extending diagonally to the left. , the aluminum cans c passing through the sorting drum 12 are allowed to flow out.

Furthermore, as shown in FIG. 2, a can retention section 22 is attached to the inner front part of the sorting drum 12.
The retention section 22 causes the empty cans a from the conveyor belt 6 to be retained in the sorting drum 12, and the permanent magnets 14 smoothly attract them to the sorting drum 12. Further, the aluminum cans c are pushed by the aluminum cans c flowing into the sorting drum 12 so as to overcome the can retention section 22 and fall into the aluminum can chute 20.

Further, as shown in FIG. 3, the can retaining section 22 has an arcuate frame 23 disposed on the lower inner circumferential surface of the sorting drum 12 along the inner circumferential surface thereof. 23 is pivotally supported on the lower surface of the steel can chute 19, and the same circular arc frame 2 is mounted around the coaxial support 23a.
3 can be tilted freely in the discharge direction. Further, the central part of the arcuate frame 23 is interlocked with an operating lever 25 provided on the side of the case 9 via a link mechanism 24, and when the lever 24 is operated, the arcuate frame 23 can open an open can a. We are trying to adjust the outflow.

According to the present invention, when there are many aluminum cans c among the empty cans a, the outflow space to the aluminum can chute 20 is opened by the can retention section 22, and the outflow is made smooth, while the steel cans s If there are many empty cans a, the outflow space is closed by the can retention section 22 to retain the empty cans a and to smoothly adsorb the steel cans s onto the sorting drum 12.

Furthermore, when the outflow space is closed by the can retaining portion 22, the aluminum cans c will flow over the arcuate frame 23 and into the aluminum can chute 20 due to the rotation of the sorting drum 12.

Note that 26 is an arm in the link mechanism 24, 27 is an operating rod connected to the arm 26 and the arcuate frame 23, 28 is an operating rod connected to the operating lever 25, and 29 is an operating rod connected to the operating lever 25.
indicates a support for adjusting the operation of the circular arc frame 23 by fixing the operating lever 25. By operating the operating lever 25, the circular arc frame 2 is rotated using the shaft support 23a as a fulcrum.
3 can be adjusted in the front-back direction.

[Brief explanation of drawings]

FIG. 1 is a side view of an open can sorting device according to the present invention.

FIG. 2 is an explanatory plan cross-sectional view of the sorting device.

FIG. 3 is an explanatory front view of the sorting device.

[Explanation of symbols]

1 Open can sorting device 2 Conveyor 12 Sorting drum 13 Magnetic device 14 Permanent magnet 19 Steel can chute 20 Aluminum can chute

Claims (3)

[Claims] Claim 1: A sorting drum 12 whose axis is oriented horizontally is disposed at the tip of the conveyance device so as to be rotatable around the axis,
The drum 12 is configured so that empty cans can be put into it, and the sorting drum 12 is equipped with a magnetic device 13 that attracts steel cans, and the sorting drum 12 is also equipped with a steel can stripping function. A space can sorting device characterized in that a steel can chute 19 is provided. 2. The open can sorting device according to claim 1, wherein a permanent magnet is attached to the outer circumferential surface of the sorting drum so that steel cans are attracted to the inner circumferential surface of the sorting drum. 3. A sorting drum 12 whose axis is transverse and rotatable around the axis is connected in communication with the tip of the conveyor 2 which has an upward slope toward the destination. 2. The open can sorting device according to claim 1, wherein the open can sorting device is configured such that the open cans placed in the sorting drum can be automatically discharged by tilting the open can toward the front.