JPS5943363B2 - Garbage processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a garbage processing device, and in particular, at the beginning of the discharge process of compressed and compacted garbage, with the discharge port closed, the compression plate is moved back for a certain period of time to close the discharge port. The present invention relates to a garbage processing device that makes it easy to open an opening/closing door 1.

Conventionally, the compression process compresses and compacts the garbage in a compression chamber,
In a waste treatment device that has a discharge process for discharging compacted waste from a compression chamber, in the compression process, after the compression plate in the compression chamber is reciprocated a desired number of times or for a desired time, the operator Provisions are already known for starting the evacuation process.

By the way, in this known device, when the push button for starting the discharge process is pressed, the compression plate stops, and at the same time, the opening/closing door provided at the front end of the compression chamber rises to open the discharge port, and then the compression plate moves forward to discharge the garbage. is configured to do so.

However, with this configuration, if the push button is pressed while the compression plate is moving forward, even if the compression plate stops,
The pressing force of the compression plate acts on the opening/closing door through the garbage,
For this reason, when attempting to raise the opening/closing door, a very large force is required or the opening/closing door cannot be raised.

SUMMARY OF THE INVENTION An object of the present invention is to provide a garbage processing device that eliminates the above-mentioned drawbacks.

Next, the present invention will be explained in detail with reference to the drawings.

First, in FIG. 1, garbage is continuously fed by a conveyor 1 into a hopper 3 connected to the upper part of a compression chamber 4 for compressing garbage.

A compression plate 6 arranged in the compression chamber 4 is slid back and forth by a first hydraulic cylinder 5 provided at the rear of the compression chamber 4, and limit switches LS, LS2 . L
Activate S5.

A discharge port 8 is formed at the front end of the compression chamber 4, an opening/closing door 7 is provided adjacent to the front end, and the container 2 is disposed in front of the door 7.

The opening/closing door 7 is opened/closed by a second hydraulic cylinder 9, and is operated by a limit switch LS3. Activate LS4.

Next, a hydraulic circuit for operating the first and second hydraulic cylinders 5 and 9 will be explained based on FIG.

Reference numerals 11 and 12 designate large-discharge and small-discharge pumps both driven by a motor 13, and the discharge pipe 14 of the large-discharge pump 11 is connected to the inlet port of the directional control valve 150.

Pipes 16 and 17 connected to the outlet port of the directional switching valve 15 communicate with the base chamber 5b and the tip chamber 5a of the first hydraulic cylinder 50.

During the compression stroke, which will be described later, the directional switching valve 15 is automatically switched in a conventional manner by a pressure switch 10 connected to the discharge pipe 14 to operate the first hydraulic cylinder 5. The compression plate 6 is reciprocated back and forth.

Furthermore, in the discharge stroke described later, the directional control valve 15 is switched to the left position when the solenoid 5QL1 is energized, to the right position when the solenoid 5OL2 is energized, and to the neutral position when these are deenergized. ing.

The discharge pipe 18 of the small discharge volume pump 12 is communicated with the discharge pipe 14 of the large discharge volume pump 11, and a branch valve 19 is interposed in front of the communication portion.

The discharge port of the branch valve 19 is connected to the directional control valve 21 via a pipe 20, and the pipes 22 and 23 connected to the discharge port of the directional control valve 21 communicate with the base chamber 9b and tip chamber 9a of the second cylinder 90, respectively. has been done.

The branch valve 19 is switched to the right position by the energization of the solenoid 5OL3, and the hydraulic oil flowing through the pipe 18 is diverted to the pipe 2.
When the solenoid 5OL3 is deenergized, it is switched to the left position so that the hydraulic oil in the pipe 18 can flow into the pipe 14.

The directional control valve 21 is switched to the right position by the activation of the solenoid 5QL4, and the hydraulic oil from the small discharge pump 12 is passed through the pipe 22 or 23 to the base chamber 9b or tip chamber 9a of the second hydraulic cylinder 9. It is now available for supply.

In addition, 24 and 25 in the figure are relief valves.

FIG. 3 shows a control system for controlling the compression process in which the compression plate 6 is moved back and forth with the door 7 closed, and the discharge process in which the compression plate 6 is moved back and forth in the open state of the door 7. An electrical circuit is shown as a device.

This electric circuit is equipped with an arbitrary switching control means for shifting from the compression process to the discharge process at any time during the compression process, and this arbitrary switching control means moves the compression plate 6 to its operating position. An operation switch such as a push button PS that starts reversing regardless of the operation, and a timer relay TM that operates when a certain period of time has passed after the operation of this operation switch starts to stop the compression plate 6 and open the opening/closing door 7.
1.

In the above electric circuit, LS and -LS5 are the normally open limit switches shown in FIG.
Solenoids TM to TM3 shown in the figure are timer relays, and R1 to R1 are relays.

Further, the timer switch tm tm c 'tm3c and the relay Ij I-switch r1 to rtt, rttc, etc. are switches operated by the timer relays TM, to TM3 and R1 to R1, respectively, such as tmlc.

The subscript C of r, , c means a normally closed switch, for example t
Those without the subscript C, such as m,, rl, indicate normally open switches.

The operation of the present invention configured as described above will now be described.

■ Compression stroke This stroke is performed using conventionally known technology (for example, Utility Model Publication No. 51-4
3023), so a brief explanation will be provided.

In FIG. 2, the motor 13 is started and the pumps 11,1
2, a pressure switch connected to the discharge pipe 14 automatically switches the directional control valve 15 using a conventionally well-known technique (not shown) to open the first hydraulic cylinder 5.
is activated, and the compression plate 6 is reciprocated back and forth a plurality of times to compress the dust.

■ Discharge stroke When explaining the operation in this discharge stroke, please refer to the push button PS.
, limit switch LS, ~LS5, solenoid SQL
, ~5OL4, timer relay TM, ~TM3, relay R
1 to R10, normally open timer switch tm, normally closed timer switch tm1c = tm3c, normally open relay switch r1 to r11 and normally closed relay switch r3c 2 r
5e 21" 6C1r 11e, etc., the names will be omitted and only symbols will be used to the extent that the meaning is not unclear.

(2) When the push button PS to start the exhaust stroke is pressed at an appropriate time during the compression stroke, (2) R7 is activated and r7 is turned ON.

(3) Then, the timer TM, starts operating, and since the opening/closing door 7 is now at the lowest end and LS3 is ON, R3 starts operating.

(4) During a certain period of time when the timer of timer relay TM is operating, jm is OFF and tmtc is ON.
It's a momme.

(5) Ro is activated when tmlc remains ON.

(6) Then, r9 is turned ON and 5OL2 is energized.

(When the force is applied, the switching valve 15 is switched to the right position, the first hydraulic cylinder 5 is operated, and the compression plate 6 is moved backward.

(8) TM1 is activated after a certain period of time set by the timer of TM1 has elapsed.

(9) Then, tml is turned ON, and tmlc is turned ON.
Become FF.

(10) When tmlc turns OFF, Ro becomes inactive, r9 turns OFF, 5OL2 is deenergized and the compression plate 6 stops, and when tm and turns ON, the TM2 timer starts for a certain period of time. It starts to operate, but during that time tm2c remains ON and R10 operates.

α1) When Rlo is activated, rlO turns ON and 5O
L3 and 5OL4 are energized.

(By the activation of 1215OL3, the branch valve 19 is also activated by 5O
By energizing L4, both the directional control valves 21 are switched to the right position, the second hydraulic cylinder 9 is activated, and the opening/closing door 7 begins to rise.

(131 When the opening/closing door 7 begins to rise, LS3 turns OFF, and R3, which was activated in (3), becomes inactive.

04) Then, r3e is turned ON, and the timer of TM2 that started operating at (10) passes a certain period of time and TM2 becomes inactive, and even if tm2c turns OFF, R10 continues to operate.

(15) Therefore, the opening/closing door 7 continues to rise until it reaches the uppermost end, and is fully opened.

(16) Then, LS4 turns ON, R4 operates, and r4 turns ON.

α force Then, R8 operates and activates SQL.

(By energizing 181SQL, the directional control valve 15 is switched to the left position, the first hydraulic cylinder 5 is activated, and the compression plate 6 begins to move forward.

09) The compression plate 6 moves forward while pushing out the dust, and the LS5
When it reaches the position, LS5 turns ON, but since r2 and r6 are both OFF', R5 does not operate. Therefore, at this time, there is no change in the operation of the electric circuit, so the compression plate 6 further It moves forward and reaches the LS2 position, and the garbage is stored in the container 2.

(20) When the compression plate 6 reaches the LS2 position, the LS2
turns ON, R2 operates, and r2 turns ON.

(21) Then, R6 is activated, r6 is turned ON, and r6
c turns OFF.

[Note: R4, which started operating in (16), is still operating.

] (When 221r6e turns OFF, R8 becomes inactive and deenergizes SQL, so the directional control valve 15 becomes the neutral position and the compression plate 6 stops moving forward. Since r6 is turned ON, Ro It operates and energizes 5OL2, and 5OL2
When the compression plate 6 starts to retreat, the directional control valve 15 moves to the right, the first hydraulic cylinder 5 operates, and the compression plate 6 begins to retreat.
becomes inactive and r2 turns OFF, but R6, which started operating with CD, continues to operate.

] @ When the compression plate 6 retreats to the LS position, the L
S5 is turned on, and at this time r6 is also turned on, so R
6 is activated and r5c is turned OFF'.

[Note: 00) and Rlo and R started working on CD
6 is still in operation.

] (24) When r5e turns OFF, Ro becomes inactive and r9 turns OFF, and 5OL2 is deactivated.
As a result, the directional control valve 15 becomes the neutral position, and the compression plate 6
stops.

Further, when r5c is turned OFF, 5OL4 is deenergized, the directional control valve 21 moves to the right, and the opening/closing door 7 begins to descend.

[Note: At this time, LS becomes OFF, R4 becomes inactive, and r4 becomes OFF'.

Furthermore, since R6, which started operating at (21), is still operating, rQc is OFF and r6 is ON.

] (2 When the opening/closing door 7 reaches the bottom, LS3 turns O.
When it becomes N, R3 is activated and r3c is turned OFF.

(26) Then R5 and R10 become inactive and r
lO turns OFF', deactivating 5OL3, and r
5c turns ON and activates R9, and due to the operation of R9, r9 turns ON and SQL.

to support.

Due to the activation of 5OL2, the switching valve 15 moves to the left, the first hydraulic cylinder 5 operates, and the compression plate 6 begins to move rearward.

[At this time, LS is turned OFF, but since r3c is already turned OFF in both cases, no change in the electric circuit occurs even if LS5 is turned OFF.

] (27) When the compression plate 6 retreats and reaches the position LS, LS is turned ON, the timer of R and 7M3 is activated, rl is turned ON, and t m 3c is turned ON.
is ON for a certain period of time set by the timer of TM3.

弼 Then, R is activated and turns r Itc OFF. do.

(29) Then, R7 becomes inactive and r7 turns OFF.

(30) When a certain period of time set by the timer of TM3 has elapsed, TM3 is activated and tm3c is turned OFF, so that RlI is also turned OFF.

In the end, the solenoid SQ in the electric circuit shown in Figure 3
Since all of L, ~5OL4 are deenergized, the operation of the pressure switch 10 causes the garbage treatment device to automatically start a new compression stroke.

Therefore, LS is turned off, so R1 is turned off.
TM3 becomes inoperable.

Then, any time compression step can be performed.

As described above, according to the present invention, the compression chamber 4 has the discharge port 8 formed at the front end, and the hopper 3 connected to the upper part of the compression chamber 4.
and a compression plate 6 provided so as to be slidable back and forth within the compression chamber 4.
and a first hydraulic cylinder 5 that operates the compression plate 6 back and forth;
An opening/closing door 7 provided close to the front end of the discharge port 8 to open and close the discharge port 8, and a second opening/closing door 7 for operating the opening/closing door 7.
Hydraulic cylinder 9 and the first and second hydraulic cylinders 5
It consists of a control device that controls the operation of ゜9, and performs a compression process in which the compression plate 6 is moved back and forth when the door γ is closed, and a discharge process in which the compression plate 6 is moved back and forth when the door 7 is open. In the garbage processing apparatus, the control device includes an arbitrary switching control means for shifting from the compression step to the discharge step at any time during the compression step, and the arbitrary switching control means An operation switch such as a push button PS that starts the compression plate 6 to move backward regardless of its operating position, and an operation switch such as a push button PS that is activated when a certain period of time has passed after the activation of this operation switch stops the compression plate 6 and opens the opening/closing door I. Since it has at least a timer relay TM that opens and operates, after the compression process is continued for an arbitrary period of time and delivery is completed, the compression process can be automatically switched to the discharge process by simply operating the operation switch. Therefore, the compression process time can be appropriately selected depending on the amount, quality, etc. of the garbage, and extremely efficient compression can be performed.Moreover, before opening the door 7 when switching to the discharge process,
Since the compression plate 6 can be retracted in advance to eliminate the pressing force on the opening/closing door 7, the load on the opening/closing door 7 can be reduced, and even a relatively small capacity hydraulic cylinder 9 can easily open the opening/closing door 1. can.

Furthermore, when retracting the compression plate 6 in advance as described above, the amount of retraction is regulated by time using the timer relay TM, so that the operating position of the compression plate 6, the compression rate of the garbage to be compressed, and the input amount are controlled by the timer relay TM. Regardless of the size of the amount, the compression plate 6 can always be uniformly retracted by the minimum necessary amount from the operating position when the operation switch of the cedar plate 6 is operated, thereby reliably achieving the above-mentioned desired effect. Moreover, even if the compression plate 6 is moved back, there is no possibility that the working efficiency of the discharge process will be significantly reduced.

Furthermore, by simply changing the operating time of the timer relay TM, the fixed amount of retraction of the compression plate 6 determined by the operating time can be adjusted to change the characteristics of the dust to be compressed, such as the resilience after compression. The settings can be changed extremely easily and quickly depending on the size of the device, and there is no need to make any special modifications to the device when changing the settings.

[Brief explanation of the drawing]

FIG. 1 is a side view of the garbage processing device of the present invention, FIG. 2 is a hydraulic circuit diagram thereof, and FIG. 3 is an electric circuit diagram for controlling the discharge stroke. Total...hopper, 4...compression chamber, 5...
...First hydraulic cylinder, 6...Compression plate, 7.
-... Opening/closing door, 8... Outlet, 9...
-Second hydraulic cylinder.

Claims (1)

[Claims] 1 Compression chamber 4 with discharge port 8 formed at the front end;
A hopper 3 connected to the upper part of the hopper 3, a compression plate 6 provided to be slidable back and forth within the compression chamber 4, a first hydraulic cylinder 5 that operates the compression plate 6 back and forth, and a front end of the discharge port 8. An opening/closing door 7 is provided adjacently so as to be able to open and close the discharge port 8.
, a second hydraulic cylinder 9 that operates the opening/closing door 7, and a control device that controls the operation of the first and second hydraulic cylinders 5, 9, and moves the compression plate 6 back and forth when the opening/closing door I is closed. In the garbage processing device, the control device is capable of performing a compression process in which the compression process is performed, and a discharge process in which the compression plate 6 is moved back and forth with the opening/closing door 7 in an open state. The arbitrary switching control means includes an operation switch such as a push button PS that causes the compression plate 6 to start retracting regardless of its operating position, and an operation switch such as a push button PS that causes the compression plate 6 to start retracting regardless of its operating position. It operates when a certain period of time has passed after the start, and the compression plate 6
a timer relay TM for stopping the operation and opening the opening/closing door 1; the garbage processing device is configured to start the discharge process after the opening/closing door 7 is opened by the timer relay TM1.