JP2001088904A - Method of and device for stuffing waste - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stuff wastes efficiently and uniformly into a container. SOLUTION: In the case of stuffing wastes into a transportation container 1 with an introduction mouth 3 opened and closed by a slide gate 4, an end part of a conveyer tube 8 is connected to the introduction mouth 3, and a slide tube 9 slidably inserted into the conveyer tube 8 is projected into a waste container through the introduction mouth. A stuffing screw 7 is rotated and wastes thrown in a thrown-in hopper 11 are compressed into the conveyer tube 8 and the slide tube 9 and wastes that have been already compressed are stuffed into a container 2. The slide tube 9 is retreated as the container 1 is filled with wastes and the slide gate 4 is shut down simultaneously when its tip gets out from the introduction mouth 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waste packing method and apparatus for packing waste collected by a garbage truck or the like into a large-sized transport container.

[0002]

2. Description of the Related Art Conventionally, as a method of packing waste into a container, for example, as disclosed in JP-A-7-300205, a pushing member of a ram is pushed into a ram moving space by a cylinder, and a hopper is moved from a hopper to a ram moving space. Garbage is pushed into the garbage container from the inlet.

[0003]

However, in the conventional structure described above, the ram is intermittently driven, and it takes a long time to pack. In addition, since the ram is packed only from the inlet, the dust near the inlet becomes a resistance and the packing density is reduced. There was a problem that it became smaller as it became deeper, and uniform packing was not possible. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a waste packing method and apparatus capable of uniformly and efficiently packing waste in a container.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a method for packing waste according to the present invention is provided. The method for packing waste into a transport container having an inlet opened and closed by a slide gate is described. While connecting the distal end of the transfer tube having a built-in screw and having a loading hopper on the base end side to the introduction port, the slide tube slidably fitted to the transfer tube is inserted into the waste container from the introduction port. The container is protruded, the pushing screw is rotated, and the waste put into the loading hopper is pushed into the container from the transfer tube and the slide tube, and the slide tube is sequentially retracted as the waste is filled in the container, and the leading end is an inlet. Exit the slide gate as soon as you exit.

A waste stuffing device is a device for stuffing waste into a waste container having an inlet formed by a slide gate and having an inlet formed therein, the tip of which is connected to the inlet. A transfer cylinder, a push screw built in the transfer cylinder and driven to rotate, and a loading hopper formed on the base end side of the transfer cylinder to supply waste, and slidably fitted to the transfer cylinder. And a slide cylinder that can be protruded from the introduction port into the waste container.

According to the above configuration, waste can be sent to the container in a continuous operation by changing the pushing drive to a ram or the like and using the pushing screw, so that the waste can be efficiently press-fitted. Also, since the waste is sent by projecting the slide cylinder into the container,
It can be uniformly packed in a container without consolidation near the inlet.

According to a second aspect of the present invention, there is provided a waste packing method, wherein a plug zone formed by compressing waste is formed in a slide cylinder, and waste water squeezed out of the waste compressed by the transport cylinder is discharged. Further, in the waste packing device according to claim 4, in the above configuration, the inside of the slide cylinder is formed as a plug forming zone, and at least one of the shafts of the transport cylinder and the screw for pushing the screw is provided with drainage means. .

[0008] According to the above configuration, the waste plug formed in the slide cylinder can compress the waste in the transport cylinder to extract and discharge the water contained in the waste. Weight can be reduced by reducing the amount of water. Furthermore, in the waste packing device according to the fifth aspect, in the above-described configuration, the distal end opening surface of the slide cylinder is formed so as to be inclined toward the distal end side toward the closing end in the opening and closing direction of the slide gate, and the slide cylinder is retracted. Then, the slide gate is closed to move the front end portion into sliding contact with the front end opening surface of the slide cylinder.

According to the above construction, the slide gate can be closed while cutting the waste by closing the slide gate while bringing the tip end of the slide gate into contact with the opening surface of the slide cylinder. Closes smoothly.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Here, an embodiment of a waste packing apparatus according to the present invention will be described with reference to FIGS. A transport container 1 for intermediately transporting waste has, for example, a rectangular waste inlet 3 formed at one end of a rectangular cylindrical container body 2 and a manual or automatic opening / closing device (FIG. (Not shown), a slide gate 4 for opening and closing the inlet 3 is provided.

In the filling device, a connection port member 5 to which the introduction port 3 of the container 1 is connected and fixed by a container drawing device (not shown) is provided via a support base 6. A transport cylinder 8 having a pushing screw 7 is horizontally supported by the support base 6, and a slide cylinder 9 which can move back and forth into the container via the introduction port 3 is fitted to the transport cylinder 8. A slide cylinder 9 is slidably supported in the connection port member 5. Further, the connection port member 5 is provided with a flange plate 5 a which is applied to the front surface of the container body 2 and closes the periphery of the introduction port 3.

At the base end of the transfer tube 8, there is provided a charging hopper 11 for charging waste. Further, the pushing screw 7 is provided with a rotating shaft 7 extending over substantially the entire length of the transport cylinder 8.
The spiral blade 7b is attached to the transfer cylinder 8 and is disposed at the axial center position of the transfer cylinder 8, and the rotating shaft 7a is supported through the base end wall of the transfer cylinder 8 via a bearing. It is rotationally driven by a screw rotation driving device (for example, an electric motor) 12 with a reduction gear disposed. Further, on the outer surface of the transport cylinder 8, one or more slide cylinder retracting devices (for example, a fluid pressure cylinder device) 1 for driving the slide cylinder 9 to retract.
3 are provided.

A large number of drainage holes 14 as drainage means are formed at the base bottom side of the transport cylinder 8, and wastewater from compressed waste is collected from these drainage holes 14 into a collecting basin 15.
Through the drain pipe 16. In the above configuration, the container 1 is drawn by a container drawing device (not shown) and is connected and fixed to the connection port member 5,
The inlet 3 is connected to the transport tube 8. Next, the slide cylinder 9 is protruded into the container main body 2 by the slide cylinder retracting device 13 to the projecting limit. Then, while the waste is put into the input hopper 11, the screw rotation driving device 12
Is activated to send out the waste in the transfer tube 8 to the slide tube 9. In the slide cylinder 9, a plug zone PZ is formed in which the waste is retained and compressed by friction with the inner surface in the length range L to form a waste plug, and the waste plug is sequentially pushed out to the rear to form a container body. 2 is press-fitted from the center to the back. Further, since the waste in the transport tube 8 is compressed by the resistance of the waste plug, moisture contained in the waste is squeezed out and discharged from the drain hole 14 to the water collecting basin 15.

The packing of waste proceeds, and the container body 2
When the back half of the machine is filled with waste, the slide
3 is driven to move the slide cylinder 9 in accordance with the amount of waste to be pushed.
Is retreated. When the distal end of the slide cylinder 9 reaches the inlet 3, the slide gate 4 is closed. After the slide gate 4 is closed, the container 1 is washed and transported, and the wastewater of the water collecting basin 15 is discharged from the drain pipe 16.

According to the above embodiment, the waste can be fed into the container 1 in a continuous operation by the pushing screw 7, and the waste can be efficiently press-fitted. Also, since the waste is fed by projecting the slide cylinder 9 into the container body 2, there is no frictional resistance near the inlet 3, and the waste compressed in advance in the plug zone PZ can be transferred to the inner part of the container body 2. Can be evenly packed.

Further, the waste plug formed in the slide cylinder 9 can compress the waste in the transport cylinder 8 to extract and discharge the water contained in the waste, thereby reducing the water content of the waste and reducing the weight. And the container 1 can be efficiently packed. In the above-described embodiment, the slide cylinder 9 is configured to protrude to the center of the container main body 2. However, as shown in FIG.
Can be formed long so that waste can be sent to the inner part of the container body 2.

In the above embodiment, the distal end opening 9a of the slide cylinder 9 is formed along a plane perpendicular to the axis. In the embodiments shown in FIGS. The distal end opening 9b is formed along an inclined surface that is closer to the distal end as it goes downward. That is, when the slide gate 4 is closed, the tip of the slide gate 4 is slid along the end face of the tip opening 9b to separate waste while cutting, and the slide gate 4 is closed smoothly. It is configured as follows. Therefore, the cutting blade 4a and the receiving blade 9c can be integrally attached to the lower end portion and the tip end opening portion 9b of the slide gate 4 with another hard material.

Further, in the above embodiment, the drainage hole 14 is provided at the base end side of the transport cylinder 8 as a drainage means. However, as shown in FIG. A drainage means is provided. That is, the pushing screw is constituted by the ribbon screw 21, and a drain shaft 22 having a large number of water absorption holes 22 a is provided in a hollow portion of the ribbon screw 21. The drain shaft 22 is supported by penetrating the base end wall of the transport cylinder 8, and is discharged to the water collecting basin 15 through a drain port 22 b formed to be exposed outside the transport cylinder 8. A rotary ring 23 rotatably supported on the transport cylinder 8 via a bearing is fixed to the ribbon screw 21 at an intermediate position not interfering with the slide cylinder 9, and a passive gear 24 is mounted on an outer peripheral portion of the rotary ring 23. Is formed. A drive pinion 26 driven to rotate by a screw drive motor 25 is meshed with the passive gear 24.

According to the above-described embodiment, in addition to the drain hole 14 of the transport cylinder 8, the drain screw 22 can be drained from the drain shaft 22 disposed in the hollow portion of the ribbon screw 21 over the entire length thereof. The container 1 can be dewatered, and the container 1 can be effectively packed with waste. Further, since the drainage shaft 22 is fixed, the waste is prevented from rotating together with the ribbon screw 21, and further, the wastewater is prevented from rotating together with the outer surface of the drainage shaft 22 and the inner surface of the transport cylinder 8 by friction. The compression effect can be increased.

[0020]

As described above, according to the first or third aspect of the present invention, the waste can be sent to the container in a continuous operation by changing the pushing drive to a ram or the like and using a screw. The compressed waste can be efficiently injected. Further, since the waste is fed by projecting the slide cylinder into the container, the already-compressed waste can be uniformly packed in the container without being compacted near the introduction port.

According to the second or fourth aspect of the present invention, the waste plug formed in the slide cylinder compresses the waste in the transport cylinder to extract and discharge the water contained in the waste. As a result, the water content of the waste can be reduced and the weight can be reduced. Still further, according to the fifth aspect of the present invention, the slide gate can be closed in a state of cutting waste by closing the slide gate while bringing the tip end of the slide gate into contact with the opening surface of the slide cylinder. , The slide gate can be closed smoothly.

[Brief description of the drawings]

FIG. 1 is an overall longitudinal sectional view showing an embodiment of a waste packing apparatus according to the present invention.

FIG. 2 is a sectional view taken along the line AA shown in FIG.

FIG. 3 is a schematic longitudinal sectional view of the waste packing device when the slide cylinder is elongated.

FIG. 4 is an overall vertical sectional view showing a modified example of a slide cylinder and a slide gate in the waste packing device.

FIG. 5 is a partially enlarged sectional view of the slide cylinder and a slide gate.

FIG. 6 is an overall vertical sectional view showing a modification of the drainage means of the waste filling device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Transport container 2 Container main body 3 Inlet 4 Slide gate 7 Push-in screw 8 Conveyance cylinder 9 Slide cylinder 11 Input hopper 12 Screw drive motor 13 Slide cylinder retraction device 14 Drain hole 15 Water collecting basin 21 Ribbon screw 22 Drain shaft 22a Drain hole 25 Screw drive motor

Claims (5)

[Claims] When loading waste into a transport container having an introduction port opened and closed by a slide gate, a tip end portion of a transport cylinder having a built-in rotatable pushing screw and having a loading hopper at a base end side. Is connected to the introduction port, and a slide cylinder slidably fitted to the conveyance cylinder is protruded from the introduction port into the waste container, and the pushing screw is rotated to convey the waste put into the input hopper. A method for packing wastes, comprising pushing a cylinder and a slide cylinder into a container, sequentially retracting the slide cylinder as the container is filled with waste, and closing the slide gate at the same time as the tip comes out of the inlet. 2. A method for packing waste according to claim 1, wherein a plug zone formed by compressing the waste is formed in the slide cylinder, and waste water squeezed out from the waste compressed by the transport cylinder is discharged. . 3. An apparatus for packing waste into a container for packing waste into a transport container having an inlet opened and closed by a slide gate, the transfer cylinder having a leading end connected to the inlet. A push-in screw built in the transport cylinder and driven to rotate; a loading hopper formed on the base end side of the transport cylinder to supply waste; and an introduction port slidably fitted in the transport cylinder and And a slide cylinder that can freely protrude into a waste container. 4. The waste filling apparatus according to claim 3, wherein the inside of the slide cylinder is formed as a plug forming zone, and a drainage means is provided on at least one of the shaft of the transfer cylinder and the pushing screw. 5. A slide gate is formed such that a front end opening surface of the slide cylinder is inclined toward the front end side toward a closing end in the opening / closing direction of the slide gate, and the slide gate is closed and moved in accordance with the retreat of the slide cylinder. 4. The waste packing apparatus according to claim 3, wherein said slide cylinder is configured to be in sliding contact with an end opening surface.