JP3165622B2 - Glass bottle sorter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass bottle classification apparatus for producing glass raw materials (cullets) by classifying and crushing glass bottles for each color.

[0002]

2. Description of the Related Art When recycling glass bottles, it is necessary to classify them by color. Conventionally, these devices are disclosed, for example, in JP-A-6-328043. This is a glass container sorting apparatus as shown in FIGS. 9, 10 and 11. A conveyor 53 that is cut out in a square is provided. A receiving table 59 is arranged below the conveyor 53. Injecting means 52, color detecting means 5 on conveyor 53
1 and a drop portion 50 are sequentially provided.

As shown in FIG. 10, a colorless transparent portion 56 is provided on a receiving table 59 below a corresponding cell of a conveyor 53 in a color detecting means 51 section. Below this, a color sensor 57 is arranged and connected to a color discriminator 58. A light source 55 is provided above.

As shown in FIG. 11, open / close doors 60 are provided at predetermined intervals on a receiving table 59 below the corresponding cell of the falling section 50. A storage container 61 is provided below the storage container 61.

[0005] In the above, the glass container 54 is charged onto the conveyor 53 from the charging means 52. Conveyor 53
Then, the glass container 54 is sent while being slid on the receiving table 59. In the color detecting means 51, the color of the glass container 54 is detected by the color sensor 57 through the colorless transparent portion 56.
In the drop unit 50, the opening / closing door 60 corresponding to the color of the glass container 54 operates according to the detection signal and is stored in the storage container 61.

Further, for example, Japanese Patent Laid-Open No. 6-31251,
There are JP-A-6-142617 and the like, but in each case, a glass container is imaged by a camera and separated by an image processing device.

[0007]

The above-mentioned conventional glass container sorting apparatus has the following problems. In a method of classifying the color of a glass bottle while opening a hole in a square on a conveyor and entraining the glass bottle, the glass bottle may roll or vibrate on a table. For this reason, the light from the light source may not be stable, which may hinder the detection of the color of the glass bottle. The method of imaging and processing with a camera increases equipment costs.

[0008]

The present invention employs the following means to solve the above-mentioned problems. (1) A glass bottle sorting device that sorts the inserted glass bottles and passes the glass bottles of a certain size or more, and a glass bottle that has passed through the glass bottle sorting device is transported by a conveyor, and the labels of the glass bottles are removed while washing and drying. The unit has a color recognition device that conveys the glass bottles that have exited the washing / drying device on a conveyor and detects the color of the glass bottles. The door is a glass bottle sorting device that operates when receiving a signal, a control device that receives an output signal of the color recognition device and sends a signal to the corresponding opening / closing door, and receives and crushes the glass bottle that has exited the glass bottle sorting device. material,
And a crushing and sorting apparatus for sorting the metal and debris, before
The color recognition device has a conveyor with a frame and multiple holes.
Light source on the upper side and multiple lines on the lower upstream side
Sensor and a plurality of color sensors on the downstream side
Both color sensors correspond to the output of the same line sensor
Was configured to operate. (2) Sort the glass bottles that have been put into the container
Glass bottle sorting device that allows glass bottles to pass through
While transporting the glass bottles from the bottle sorting device on a conveyor
Cleaning and drying equipment for removing labels from glass bottles
When the glass bottle that comes out of the washing and drying unit is transported by a conveyor
Both are color recognition devices that detect the color of the glass bottle and the same color recognition
Multiple open / close doors and drop openings for receiving glass bottles exiting the device
The opening and closing door is a glass bottle that operates when a signal is received
Device and an output signal of the color recognition device.
A control device that sends a signal to the door,
The glass bottle that came out of the device is received and crushed,
Equipped with a crushing / sorting device to sort metal and foreign matter.
The conveyor of the washing / drying equipment has a narrow interval in the traveling direction.
It has a frame and a plurality of holes at the bottom of the frame.

[0009]

[Action]

(1) In the above invention 1, the glass bottle sorting apparatus sorts the charged glass bottles and passes the glass bottles having a certain size or more. The washing / drying apparatus performs washing while receiving and transporting the passing glass bottle by a conveyor, removing labels and the like, and then drying. The color recognition device detects and outputs the color of the glass bottle while receiving and transporting the glass bottle that has exited the washing / drying device on a conveyor.

[0010] The glass bottle sorting device receives the glass bottle that has exited the color recognition device at the plurality of doors and drop openings.

On the other hand, the control device receives the output of the color recognition device, operates the opening / closing door corresponding to the color, moves the glass bottle of the color to the corresponding drop port, and classifies the glass bottle according to the color. The crushing / sorting device receives and crushes the glass bottles that have exited the glass bottle classification device, and also sorts the glass materials, metals, and other foreign substances.

[0012] As described above, the collected various glass bottles are taken out after being taken out of a certain size and washed.
It is definitely classified according to its color, further crushed,
Automatically sorted into glass raw materials, metals, and foreign materials .

Here, the color recognition device of the glass bottle classification device is
The conveyer receives and transports the glass bottles, but since this conveyor has a frame and has multiple holes at the bottom of the frame,
While the glass bottles are moved one by one into the frame, light from the upper light source passes through the hole and is received by the lower line sensor.

The line sensor detects and outputs which of the plurality of holes is closed by the glass bottle. By this signal, the color sensor corresponding to the hole closed by the color sensor on the downstream side is operated, and the color of the glass bottle is detected and output from the transmitted light.

In this way, the color of the glass bottle can be accurately identified without being affected by the size or position of the glass bottle. (2) In the present invention 2, the glass bottle classifier above 1
The conveyor of the washing / drying equipment has a frame and a plurality of holes at the bottom, so that the glass bottle should not be rolled in each frame.
Store and transport them one by one. In addition, liquid or light can freely pass through the holes .

As described above , that of the above invention 1 or 2
In each case, the glass bottles are reliably sorted and classified.
After that, it is crushed to be surely separated into crushed glass raw material, metal and foreign matter.

[0017]

One embodiment of the present invention will be described with reference to FIGS.

In FIG. 1, a conveyor 8 having a hopper 1 is provided at the entrance end. At the exit of the conveyor 8, the sorting device 2 having the conveyor 9 is arranged. Conveyor 9
Next, a washing / drying device 3 having a conveyor 10 is provided. A conveyor 11 having the color recognition device 4 is arranged next to the conveyor 10. Next to the conveyor 11, the color classification device 6
Is arranged. Next to the color classification device 6, a crushing / sorting device 7 for green, blue, brown, black, and colorless is arranged.

FIG. 2 shows two parts of the sorting device. At the exit of the ascending conveyor 8 having the hopper 1, a glass bottle receiving table 13 supported by a load cell 32 is disposed. A guide plate 14 is arranged adjacent to the downstream side of the receiving table 13. A hinge type actuator 14 a is provided at an end adjacent to the guide plate 14, and receives an output from the load meter 32. An accommodation receiver 15 is arranged on the exit side when the guide plate 14 is substantially horizontal. A conveyor 9 is disposed below the relay 9 and a relay plate 9a is provided at an outlet thereof. The conveyors 8 and 9 have narrow frames a so that the glass bottles 12 are arranged one by one in a direction perpendicular to the traveling direction.

FIG. 3 shows three parts of the washing / drying apparatus. A conveyor 10 longer than the conveyor 9 is arranged, and a relay plate 10a is provided at an exit thereof. Above the upstream side of the conveyor 10, a fountain 16 having an outlet directed downward is provided. Thereafter, a brush 18 driven by a motor 17 is provided on the downstream side.
Further downstream, an air heater 20 having a fan 21 is provided.

FIGS. 5 to 7 show four parts of the color recognition device. A conveyor 11 shorter than the conveyor 10 is arranged, and a relay plate 11a is provided at an exit. The conveyor 11 has a frame 26 similar to the conveyor 9 and has three holes 27 at the bottom.

A line sensor 22 is provided at a position corresponding to the hole 27 below the conveyor 11 on the upstream side, and a light source 23
Are respectively arranged. Similarly, a light source 24 and a semiconductor color sensor 25 are provided on the downstream side. These are connected to a control device 5.

FIG. 4 shows six parts of the color classification device. There is a casing 6a whose base end face b is substantially vertical, and five stages of guide plates c (including the lower surface of the casing) are provided in the casing 6a in the vertical direction. The end of the guide plate c is arranged at a predetermined distance from the base end face b. A hinge-operated door 28 having an electromagnetic actuator 29 is provided at the end of the guide plate c.
Is connected to

FIG. 8 shows one system of the pulverizing / sorting device 7. The introduction duct d bends downwards downstream. A pulverizer 30 is arranged upstream of the bend. A crushing roller 31 is disposed downstream of the bend. A conveyor 34a is arranged below the exit of the introduction duct d, and the rollers 3 on the exit side are disposed.
4 is a magnet type. Below the roller 34 is a metal 3
The receiver 35a for 5 is arrange | positioned, and the water tank 33a is arrange | positioned in front of the lower part of a roller. Downstream of the water tank 33a, a duct 36a for discharging the foreign matter 36 is provided. A hinge-operated on-off valve 33b is provided at the bottom, and is connected to the control device 5. Further, an injection / drainage line 33c for water 33 is provided.

In the above, the glass bottles 12 put into the hopper 1 are stored in the frame a one by one by the conveyor 8, conveyed upward and sent to the receiving table 13. While moving on the cradle 13, the load is measured by the load cell 32, and when it is equal to or more than a predetermined value, a signal is sent to the actuator 14a. Therefore, for example, light things such as inadvertently mixed ceramics, small bottles, glass cups, etc. move on the guide plate 14 and fall into the receiving tray 15. Only the heavy glass bottle 12 is actuated by a signal, and the guide plate 14 is inclined, and is put into the conveyor 9. The glass bottle 12 is sent to the conveyor 10 which is faster than the conveyor 9 via the conveyor 9 and the relay board 9a. Conveyor 10
The hot water is sprayed from the fountain 16 on the top and rubbed with the brush 18 to remove labels and dust. Further, it is dried by hot air from the air heater 20. This is to facilitate the next color identification.

The glass bottle 12 that has left the conveyor 10 is sent to the conveyor 11 via the relay plate 10a. On the conveyor 11, the pieces are stored one by one in a frame 26 and transported. Meanwhile, the transmitted light passing through the hole 27 is detected by the line sensor 22,
The presence or absence of a bottle 12 on each hole 27 is detected.

This signal is sent to the control device 5, which activates the corresponding sensor 25 when the bottle 12 passes by the semiconductor sensor 25. That is, as shown in FIG. 7, the position of the hole m is operated for the glass bottle 12a, and the positions of the holes m and l are operated for the glass bottle 12b. Therefore, regardless of the size and the position of the glass bottle 12, the color is accurately identified in the next step. The semiconductor color sensor 25 detects light from the transmitted light, and identifies transparent, brown, blue, green, and black based on the difference in output level. This signal is sent to the control device 5.

The glass bottle 12 that has left the conveyor 11 is fed into the color classification device 6 via the relay plate 11a. When the loaded bottle 12 is, for example, blue, as shown in FIG. 4, a signal is sent from the control device 5 to the electromagnetic hinge 29 of the opening / closing door 28 in the blue stage, and the door 28 is opened, and the bottle is opened next. Sent to the process. The bottle 12 that has exited the color classification device 6 is received by the introduction duct d of the crushing / sorting device 7, crushed by the crusher 30 while being sent, further finely crushed by the crushing roller 31, and falls onto the conveyor 34 a. Upon exiting the conveyor 34a, the metal 35 is attracted by the magnets of the magnetic rollers 34 and
Fall to a. The glass raw material falls into the water tank 33a in front. Foreign matter 36 such as dust, straws, butts and the like that floated in the water tank 33a is discharged through the duct 36a.

When a predetermined amount of the cullet 37 is stored in the water tank 33a, the water 33 is drained by a signal from the control device 5,
Further, the on-off valve 33b is opened and dropped into the receiver 37.

The glass bottle 1 collected as described above
2, only glass bottles are sorted exactly, green, blue, brown, black,
After being classified as colorless, and the metal 35 and the foreign matter 36 are separated, the cullet 37 is collected.

[0031]

As described above, according to the present invention, the glass bottles required for collecting the glass material (cullet) are accurately selected, classified by color, metal and foreign matter are separated, and the cullet is automatically separated. Is collected.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view of a configuration of the sorting device of the embodiment.

FIG. 3 is a configuration side view of the cleaning and drying apparatus of the embodiment.

FIG. 4 is a configuration side view of the color classification device of the embodiment.

FIG. 5 is a configuration side view of the color recognition device of the embodiment.

FIG. 6 is a partial sectional view of a part of FIG. 5 of the embodiment.

FIG. 7 is a plan view of a part of FIG. 5 of the embodiment.

FIG. 8 is a partial sectional side view of a configuration of the crushing apparatus of the embodiment.

FIG. 9 is an overall configuration system diagram of a conventional example.

FIG. 10 is a partial cross-sectional view of a color detection section of the conventional example.

FIG. 11 is a partial sectional view of a charging section of the conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Hopper 2 Sorting device 3 Washing / drying device 4 Color recognition device 5 Control device 6 Color classification device 7 Crushing / sorting device 8 Conveyor 9 Conveyor 10 Conveyor 11 Conveyor 12 Glass bottle 13 Glass bottle cradle 14 Guide plate 15 Container 16 Fountain 17 Motor 18 Brush 19 Hot water 20 Air heater 21 Fan 22 Line sensor 23, 24 Light source 25 Semiconductor color sensor 26 Frame 27 Hole 28 Opening door 29 Electromagnetic open / close hinge 30 Crusher 31 Roller 32 Load meter 33 Water 34 Magnet 35 Metal 36 Foreign material 37 Glass raw material (cullet) 50 Falling part 51 Color detecting means 52 Injecting means 53 Conveyor 54 Glass container 55 Light source 56 Colorless transparent part 57 Color sensor 58 Color discriminating part 59 Cradle 60 Opening door 61 Storage container

Continued on the front page (72) Inventor Masao Takahashi 2-1-1, Shinhama, Arai-machi, Takasago-shi, Hyogo Pref. Inside the Takasago Research Laboratory, Mitsubishi Heavy Industries, Ltd. (72) Inventor Shigeru Kubota 2-1-1, Shinhama, Arai-machi, Takasago-shi, Hyogo Mitsubishi (56) References JP-A-5-277447 (JP, A) JP-A-6-328043 (JP, A) JP-A-52-86565 (JP, A) Jpn. (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B09B 3/00 B09B 5/00 B07C 1/00-9/00 B03B 7/00

Claims (2)

(57) [Claims] 1. A glass bottle sorting device for sorting a charged glass bottle and passing a glass bottle having a certain size or more,
A washing / drying device that removes the labels of the glass bottles while transporting the glass bottles out of the glass bottle sorting device on a conveyor, and a color recognition device that transports the glass bottles that have exited the washing / drying device on a conveyor and detects the color of the glass bottles. A device, a plurality of opening / closing doors for receiving glass bottles that have exited the same color recognition device, a glass bottle classifying device having a dropper opening that operates when receiving a signal, and a corresponding output signal of the color recognition device. A control device that sends a signal to the opening / closing door, and a crushing / sorting device that receives and crushes the glass bottles that have exited the glass bottle sorting device and separates them into glass raw materials, metals, and foreign substances are provided , and the color recognition device has a conveyor with a frame. With multiple
With a light source above and multiple upstream
It has a line sensor and a plurality of color sensors on the downstream side.
And the same color corresponding to the output of the line sensor
A glass bottle classifying device configured to activate a sensor . 2. The glass bottles that have been put in are sorted out, and a certain size is set.
A glass bottle sorting device that allows glass bottles larger than the size to pass through,
The glass bottles exiting the glass bottle sorting device are transported on a conveyor.
Cleaning and drying equipment that removes labels from glass bottles
And the glass bottle that has exited the washing and drying unit is transported by a conveyor.
And a color recognition device that detects the color of the glass bottle.
Multiple open / close doors for receiving glass bottles exiting the color recognition device;
The opening / closing door has a dropper and the door opens when a signal is received.
Accepts output signals from the bottle classification device and the color recognition device
A control device for sending a signal to the opening / closing door, and a glass bottle
The glass bottle that has exited the classification device is crushed and glassed.
Pulverizing / sorting equipment for sorting raw materials, metals and foreign substances
The conveyor of the washing / drying device is narrow in the traveling direction.
A glass bottle classification apparatus having a frame at intervals and a plurality of holes provided at the bottom of the frame .