JPH05104293A - Waste can collecting machine - Google Patents

Abstract

PURPOSE:To provide a waste can collecting machine which can execute selection with high accuracy whether the waste can thrown in is one of the predetermined kind having a drink hole at an end part or not. CONSTITUTION:When a waste can 16 is thrown in from a throw in hole 13 of the waste can 16, the waste can 16 thrown in is held with a pair of belt 32 set at the back side of the throw in hole 13 and rotated, at least, by one time. A selecting sensor 30 is set at one end part side, at least, of the waste can 16 rotated by the belt 32, a drink hole to be formed at the one end part of the waste can is detected. This drink hole is set almost at the definite distance from the circumferential edge part of the end part of the cylindrical shape when the waste can is used for beverages, accordingly, the drink hole can be surely detected by rotating the waste can, at least, by one time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an empty can collecting machine.

[0002]

2. Description of the Related Art In recent years, an empty can collecting machine for collecting empty cans made of iron or aluminum used as containers for various beverages has been used from the viewpoint of resource saving. Such an empty can collecting machine presses the supplied empty cans to collect them in a collecting box inside the housing. For this reason, it is dangerous to press when the spray can is mistakenly inserted, and it is selected whether the inserted empty can is the empty can used for the beverage or the spray can. It has a function to do.

[0003]

Such an empty can sorting device in a conventional empty can collecting machine is an optical system in which an empty can introduced from the front door of the housing is temporarily held by a holding member and fixed to the front door. A sensor is provided to detect the drinking mouth. Therefore, even if the empty can is used for beverages, the drinking mouth does not always correctly face the optical sensor when the empty can is loaded, and the empty can used for the beverage is sprayed. -It has a problem that it is erroneously detected as a can. In such a case, there arises a problem that an empty can used for a beverage and to be pressed is erroneously selected as a spray can and is not pressed.

An object of the present invention is to solve the above-mentioned technical problems and to accurately select whether or not an inserted empty can has a drinking mouth at one end thereof. It is to provide an empty can collecting machine that can do this.

[0005]

According to the present invention, in an empty can collecting machine for selecting and collecting empty cans of a predetermined type, the empty can collecting machine is provided behind an empty can charging port provided on a front surface of a housing. A holding and rotating means for holding the inserted empty can and making at least one rotation; and a drinking port provided at at least one end side of the empty can rotated by the holding and rotating means and formed at the one end of the empty can. An empty can collecting machine comprising: a detecting means for detecting.

[0006]

[Operation] In the empty can collecting machine according to the present invention, when an empty can is loaded through the empty can loading port provided on the front surface of the housing, the loaded empty can is held behind the loading port. It is held by a rotating member and rotated at least once.
At least one end side of the empty can which is rotated by the holding and rotating means is provided with detection means for detecting the drinking port formed at the one end of the empty can. This drinking mouth is provided at a substantially constant distance from the peripheral edge of the circular end portion of the empty can, and by rotating the empty can at least once, the detecting means ensures that the drinking mouth Can be detected. This prevents a situation in which an empty can used for beverages and to be pressed is erroneously selected as a spray can.

[0007]

1 is a sectional view of the vicinity of a sorting device 17 according to an embodiment of the present invention, FIG. 2 is a front view of an empty can collecting machine 11, and FIG. 3 is a housing 12 of the empty can collecting machine 11. Front part 1
It is a front view of the state where 4 was opened. The front portion 14 of the housing 12 of the empty can collecting machine 11 of this embodiment is configured as a front door 15 and has an insertion port 13 having a size that allows an empty can 16 to be inserted.

A sorting device 17 for the inserted empty cans 16 is arranged on the rear surface of the charging port 13 of the front door 15. The sorting device 17 includes a stop plate 3 for stopping the inserted empty cans 16.
4 is provided, is connected to the upper part of the stop plate 34, and has a plurality of plugs.
A pair of belts 32 wound around the reel 31 is arranged. The pair of belts 32 are separated by an interval L about the diameter of an empty can.
1, the empty can 16 is rotated at least once by the power of the belt motor 33 under the control described later.

Further, the sorting device 17 is provided with a pair of sorting sensors 30 which will be described later for discriminating whether the input can is an empty can as a beverage container to be pressed or a spray can used for cosmetics or pesticides. Have The pair of sorting sensors 30 optically scan both ends in the longitudinal direction of the inserted empty can 16 to detect whether or not holes for drinking are formed at the both ends. If it is a spray can, there is a risk of explosion when it is pressed. Therefore, the spray can is not taken into the housing 12 but is discharged from the charging port 13 again.

A pressing device 18 for pressing an empty can that has been inserted from the charging port 13 is disposed in the housing 12, and a weight sensor is provided below the pressing device 18, and when an empty can having a predetermined weight or more is charged. , Drop it into a collection box (not shown) without pressing. In other words, the pressing operation is not performed when it is considered that there are unfilled beverages, dust, etc. inside the empty can.

Below the pressing device 18, a distribution device 19 for separating pressed cans into aluminum cans and iron cans.
Are placed. The distribution plate 20 of the distribution device 19 is normally oriented to the side of the collection box 21 for iron cans, that is, in the diagonally right downward direction in FIG. 3, and only when an aluminum can is loaded, the distribution plate 20 is distributed. Numeral 20 inclines to the side of the collection box 22 for aluminum cans, that is, diagonally downward to the left in FIG. 3, to guide the aluminum cans. When the aluminum can falls into the collection box 22, the distribution plate 20
Returns in the direction toward the collection box 21 side for the iron can. Such a distribution device 19 has a structure that detects whether the inserted empty can is a magnetic substance or a non-magnetic substance, and switches the inclination direction of the distribution plate 20 according to the detection result. ..

Further, inside the housing 12, there are arranged sensors for detecting iron cans and aluminum cans, respectively, which will be described later, and a deposit returning device for paying deposits in accordance with the number of inserted cans. 23 are arranged. This deposit return device 23 returns a deposit of a fixed amount (for example, 10 yen) from a return port 24 through a shunt 25 provided on the front door 15 every time one empty can is inserted. To do.

A guide 26 is arranged on the rear surface of the inlet 13 of the front door 15 to form a passage 27 for the empty can 16. A cover 29, which is angularly displaceable around a support shaft horizontally provided on the front door 15, is provided on the rear surface of the inlet 13.
Are placed.

FIG. 4 is a block diagram showing the electrical construction of the empty can collecting machine 11 of this embodiment. The empty can collection machine 11 is provided with a control device 36 realized as, for example, a microprocessor, and the control device 36 includes the distribution device 1
9, a press device 18 and a deposit dispensing device 23 are connected to each other, and further provided in the distribution device 19, and a can kind sensor 41 for detecting whether the material of the empty can is an aluminum can or an iron can. The control device 36 detects the cans sorted by the sorting device 19 for each aluminum can and iron can.
Then, an aluminum can sensor 37 for counting the number of individual inputs.
Further, the iron can sensor 38 is connected to the motor 39 which is used when the stop plate 34 is displaced in response to the output of the selection sensor 30 as described later. Further, as described above, it has an optical configuration for detecting whether the inserted can is a can as a beverage container or a spray can and a hole serving as a drinking mouth at an end portion in the longitudinal direction of the can. Sorting sensor 30
Are connected. Further, the belt motor 33 is connected.

FIG. 5 is a flowchart for explaining the operation of this embodiment, and FIG. 6 is a diagram for explaining the operation of this embodiment. When the empty can 16 is loaded into the empty can collecting machine 11, the cover 29 is opened and the empty can 16 is loaded. Step a1
Then, when the loaded empty can 16 reaches the detection range of the sorting sensor 30, the sorting sensor 30 detects the end of the empty can 16 and detects the loading of the empty can 16. At this time, the empty can 16 passes through the passage 27 of the empty can 16 and is sandwiched between the pair of belts 32, and the state shown in FIG.

At step a2, the control circuit 36 drives the belt motor 33 for the driving period T0 based on the detection operation of the emptying can insertion sensor 30. The driving period T0 is a period required to rotate the empty can 16 at least once with the pair of belts 32. While rotating the empty can 16, in step a3, it is determined whether or not the drinking mouth formed at the end of the empty can 16 is detected. In this way, the empty can 16 is rotated at least once to detect the drinking mouth of the empty can 16. The drinking mouth is formed at a predetermined distance from the peripheral portion of the circular end of the empty can 16, and the drinking mouth is detected by rotating the empty can 16 at least once in this manner. As shown in 2), the selection sensor 30 is always exposed, and the drinking mouth can be reliably detected. On the other hand, if the inserted empty can 16 is, for example, a spray can or the like, the sorting sensor 30 cannot detect the drinking mouth as shown in FIG. 7, and the empty can 16 used for the beverage is surely detected. Can be sorted.

If this judgment is negative, the inserted empty can 16 is, for example, a spray can without a mouth, the motor 39 is not activated, and the empty can 16 is a stop plate. It remains held on 34. Such an empty can 1
6 is taken out by the thrower. If the determination in step a3 is affirmative, the process moves to step a5, the motor 39 is driven, the stop plate 34 moves from the passage 27, the empty can 16 falls into the pressing device 18, and the pressing operation is performed in step a6. Done.

As described above, in this embodiment, the mouth of the empty can that has been put can be detected with high accuracy, and the empty can 16 that is used for the beverage and should be pressed is sprayed.
The situation of misselecting cans is prevented.

In the above embodiment, the means for rotating the empty can 16 has been described as a pair of belts 32, but the belt 32 is not limited as long as the empty can 16 can be rotated.

[0020]

As described above, according to the present invention, when an empty can is loaded through the empty can loading port provided on the front surface of the housing of the empty can collecting machine, the loaded empty can is loaded into the above-mentioned loading port. It is held by a holding and rotating member provided on the back side and is rotated at least once. At least one end side of the empty can which is rotated by the holding and rotating means is provided with detection means for detecting the drinking port formed at the one end of the empty can. This drinking mouth is provided at a substantially constant distance from the peripheral edge of the circular end portion of the empty can, and by rotating the empty can at least once, the detecting means ensures that the drinking mouth Can be detected. This prevents a situation in which an empty can used for beverages and to be pressed is erroneously selected as a spray can.

[Brief description of drawings]

FIG. 1 is a cross-sectional view near a sorting device 17 according to an embodiment of the present invention.

FIG. 2 is a front view of an empty can collection machine 11.

FIG. 3 is a front view showing a state in which a front surface portion 14 of the housing 12 is opened.

FIG. 4 is a block diagram showing an electrical configuration of an empty can collection machine 11 of the present embodiment.

FIG. 5 is a flowchart for explaining the operation of this embodiment.

FIG. 6 is a diagram illustrating a sorting operation according to an embodiment of the present invention.

FIG. 7 is a diagram illustrating a sorting operation according to an embodiment of the present invention.

[Explanation of Codes] 11 …… Can collecting machine 12 …… Housing 13 …… Inlet port 15 …… Front door 16 …… Empty can 17 …… Sorting device 30 …… Sorting sensor 32 …… Belt 34 …… Stop plate

Claims (1)

[Claims] 1. An empty can collecting machine for selecting and collecting empty cans of a predetermined type, the empty can collecting device being provided behind an empty can inlet provided on a front surface of a housing and holding the empty cans. And holding means for rotating the empty can by at least one rotation, and detection means provided on at least one end of the empty can rotated by the holding and rotating means and detecting a drinking mouth formed at the one end of the empty can. An empty can collection machine.