JPH0778325B2 - Sandbag making equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sandbag manufacturing apparatus for manufacturing sandbags used in civil engineering work.

[0002]

2. Description of the Related Art Conventionally, in the production of sandbags, an earthworking tool such as a scoop has been used to manually fill the sandbag bag with earth and stones.

[0003]

However, in such a conventional technique, it is difficult to quickly mass-produce a sandbag filled with a predetermined amount of earth and stone, since it is carried out manually by using a civil engineering work tool. there were.

Therefore, the present invention was created for the purpose of providing a sandbag manufacturing apparatus suitable for rapidly mass-producing sandbags filled with a predetermined amount of sandstone.

[0005]

The sandbag making apparatus according to the present invention has a funnel-shaped debris storage unit having a carry-in port and a carry-out port smaller than the carry-in port, and the debris storage unit. A conveyor that carries out the stored debris through the carry-out port, a bucket that stores the debris that was carried out by the conveyor, a detection unit that detects that the bucket has stored a predetermined amount of debris, and a bucket that stores the debris. A discharging mechanism that discharges the debris into a sandbag bag prepared in advance, and a control unit that stops the operation of the conveyor based on a detection signal of the detecting unit and that operates the discharging mechanism, Characterize.

[0006]

In the sandbag manufacturing apparatus according to the present invention having the above-described structure, the debris carried into the debris storage section from the large carry-in port is carried out by the conveyor through the small carry-out port and stored in the bucket. . Then, when the bucket stores a predetermined amount of debris, the detection means detects it. Upon receiving the detection signal, the control means stops the operation of the conveyor and operates the discharging mechanism. The debris stored in the bucket is discharged to the sandbag bag by the operation of the discharging mechanism.

Therefore, according to the present invention, a predetermined amount of sand and stone can be sequentially and mechanically packed into the bag body for sandbags, so that sandbags having a specified weight can be rapidly mass-produced. . Further, in the present invention, since the work of packing the debris into the bag for sandbags is performed mechanically, for example, when the debris of the bucket is discharged by the discharging mechanism, the conveyor is stopped to prevent the debris from being wastefully scattered. Since there is no problem and labor is saved, it is possible to realize cost reduction.

[0008]

Embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the examples described in detail below, and includes all examples that can be conceived by those skilled in the art without departing from the gist of the present invention.

As shown in FIGS. 1 and 2, a main hopper 10 for charging and storing sandbags for sandbags is provided with a carry-in port 11 having a large opening upward and a carry-in opening having a small opening downward. It has a funnel shape with an outlet 12, is supported by a support frame 13, and is installed at a predetermined height above the ground. An air-operated controller 14 and a vibrator 15 are provided on the wall surface of the main hopper 10, and the debris stored therein is shaken by the operation of the air-operated controller 14 and the vibrator 15, so that the carry-out port 12 is not clogged with debris. That is,
The air operation controller 14 is operated by the air supplied from the compressor 16 through the air hose 17,
Impacts are applied to the main hopper 10 at intervals of 2 seconds. In addition, a motor is incorporated in the vibrator 15,
It can be appropriately vibrated by the operation of the motor. Further, a rubber sheet 18 is attached to the carry-out port 12,
The debris falling from the carry-out port 12 is prevented from being scattered.

A conveyor 20 is installed immediately below the rubber sheet 18 with a slight gap. The conveyer 20 extends upwardly from there with a gentle gradient,
Debris dropped from 2 is transported. A restraint plate 21 is attached to an upper end 20a, which is one end of the conveyer conveyor 20 extending upward, to drop the conveyed debris from the upper end 20a downward without scattering. This transfer conveyor 20 has a well-known structure, and a transfer belt is wound around sprockets at both ends. A motor 22 for rotating the sprocket is provided at the lower end 20b which is the other end of the conveyor 20, and the belt is moved between both sprockets by the operation of the motor 22 so that the debris on the belt is removed from the outlet 12.
Is conveyed from immediately below to the upper end 20a. An enclosure 23 for preventing entanglement is attached to the lower end 20b. The transport conveyor 20 has a support frame 13 below it.
Are supported by the support frame 24 above.

A bucket 30 is provided immediately below the upper end 20a of the transfer conveyor 20 with a little space between the buckets 30 to store 18 to 20 kg of debris falling from the upper end 20a and has a dust removing shape. . A steel plate 32 having a weight of 5 to 6 kg is attached to a portion corresponding to the dust removing handle 31 to balance with the weight of the accumulated debris. An arm 33 extending upward from the root of the portion corresponding to the handle 31 when no debris is stored is provided, and the bucket 30 is pivotally supported on the support frame 24 at the root. Has been done.

A piston rod 38 which reciprocates in an air cylinder 37 attached to the support frame 24 is connected to the tip 33a of the arm 33. In the air cylinder 37,
Air is supplied from the compressor 16 through the air hose 39. When air is supplied to the air cylinder 37, the piston rod 38 extends from the air cylinder 37, and the tip 33a of the arm 33 is supported vertically upward. Therefore, as shown by the solid line in FIG. 1, the bucket 30 is held with its dust removing mouth facing upward, and can store debris falling from the upper end 20a. On the contrary, when air is released from the air cylinder 37, the piston rod 38 contracts into the cylinder 37,
The tip 33a of the arm 33 is inclined in the direction of the cylinder 37.
Therefore, the bucket 30 is, as shown by the dotted line in FIG.
Since the dust removing mouth is tilted downward, the debris stored in the bucket 30 is discharged downward.

Further, a limit switch 40, a control panel 42, and a manual switch 43 are attached to the support frame 24. The limit switch 40 is arranged below the steel plate 32, and is turned on / off when the steel plate 32 moves up / down in conjunction with the operation of the bucket 30. The control device 41 housed in the control panel 42 controls the operation / stop of the compressor 16 and the motor 22 based on the ON / OFF of the limit switch 40. Also, the manual switch 4
By operating 3, the motor 22 is operated / stopped.

In addition, a funnel-shaped small auxiliary hopper 50 is disposed below the bucket 30 while being supported by the support frame 24. Therefore, the debris discharged from the bucket 30 is packed in the sandbag 51 placed below the debris via the auxiliary hopper 50.

In packing sandstone, the sandbag 51 is
It is placed so as to cover the lower opening of the auxiliary hopper 50 at the end of the horizontally arranged free roller conveyor 52. Then, the sandbag bag 51 filled with the debris by the above-mentioned steps is carried on the conveyor 52 to the position of the sewing machine 53 provided at the other end of the conveyor 52. At the position of the sewing machine 53, the conveyor 52 is the slide board 5
The slide board 54 is configured to be movable to the left and right by pressing the pedal switch 55. The sandbag 51 placed on the slide board 54 is sewn at its opening by the sewing machine 53 while moving the slide board 54 left and right.

The sandbags 56 thus completed are placed on an up-and-down type transfer conveyor 57 provided adjacent to the slide board 54, and are carried to be piled up in a sandbag storage area (not shown). A motor 58 for driving the conveyor 57 is provided at the lower end of the conveyor 57, and a switch 59 for operating and stopping the motor 58 is also a motor 5.
It is attached to the case part of No. 8. The motor 2
Power supplies for the compressors 2, 58, the compressor 16, the control device 41, etc. are placed under the conveyor 52.

Next, the structure of the control system centering on the control device 41 will be described with reference to FIG. The control device 41 has a first
The relay 61, the second relay 63, and the timer 65 are provided. The first relay 61 is connected to the limit switch 40, and is also connected to the second relay 63 and the timer 65, respectively.

The second relay 63 is connected to the motor 22 and the manual switch 43, and the timer 65 is connected to the air opening / closing valve 70. The air opening / closing valve 70 is connected to the compressor 16 and also to the air cylinder 37, and supplies and discharges air in the air cylinder 37 by switching operation thereof.

By the operation of the control system centering on the control device 41 as described above, the control relating to the operation of the bucket 30 is performed, and the manner in which the sandbag 51 is filled with debris will be described. First, one bag of sandbags (18-20k
Until the debris of g) is stored, the mouth of the bucket 30 faces upward while the air is being supplied to the air cylinder 37, and the debris can be stored. In that case, the limit switch 40 is turned on due to the weight of the steel plate 32 and the like.

When the debris is carried by the operation of the carrying conveyor 20 and one bag of sandbags is stored in the bucket 30, the steel plate 32 floats up due to the weight of the debris, and the limit switch 40 is turned off. When the limit switch 40 is turned off, the control device 4 including the first relay 61, the second relay 63, and the timer 65
1 turns off. That is, the limit switch 40
The OFF of turns off the first relay 61. The first
When the relay 61 is turned off, the second relay 63 is turned off and the timer 65 is started. When the second relay 63 is turned off, the motor 22 is stopped and the conveyor 20 is stopped. Then, when the timer 65 is started, the air opening / closing valve 70 is switched to the air discharge side, air is released from the air cylinder 37, the piston rod 38 contracts into the cylinder 37, and the bucket 30 tilts downward.
The stored debris is released downward.

The timer 65 is normally set to 3 seconds (this time can be arbitrarily set according to the working speed), and the timer 65 is stopped 3 seconds after the start,
The air opening / closing valve 70 is switched to the air supply side. Then, air is supplied from the compressor 16 to the air cylinder 37 through the air hose 39, the piston rod 38 extends from the cylinder 37, the tilted opening of the bucket 30 is returned upward, and the debris falling from the upper end 20a is stored. Keep it ready. At that time, the steel plate 32 is also pushed back downward in conjunction with the bucket 30, contacts the limit switch 40, and turns it on. Limit switch 4
When 0 is turned on, the first relay 61 is also turned on. In that state, when the manual switch 43 connected to the second relay 63 is operated and turned on, the motor 22 is activated again, the transport conveyor 20 is also restarted, and the debris is conveyed again, and the debris is removed from the upper end 20a. It falls and is stored in the bucket 30.

Usually, such an operation is repeated, and the sandbag bag 51 filled with the amount of earth and stones (18 to 20 kg) stored in the bucket 30 adjusted by the weight of the steel plate 32 is filled.
However, the openings are sewn one after another by the sewing machine 53, and the sandbag 56 conforming to the standard weight is rapidly mass-produced.

The manual switch 43 is provided with a special continuous ON / OFF manual operation unit for the purpose of fail-safe and the like, in addition to the normal ON operation unit described above. Continuous ON / OFF ON or OF of manual operation part
By operating F, the limit switch 40 and the first relay 61
Turning on and off the second relay 63 regardless of the operation of
As a result, it is possible to continuously operate and stop the conveyor 20 without interlocking with the operation of the bucket 30.

In the present embodiment, the limit switch 4
By providing 0, the first relay 61, and the second relay 63, when the debris is discharged from the bucket 30 to the sandbag bag 51, the motor 22 is stopped and the transfer conveyor 20 is stopped, so that from the upper end 20a. The falling debris will not be scattered around without being received by the bucket 30, and the debris will not be wasted.

Further, since the timer 65 and the manual switch 43 are provided, the sandbag production work can be performed at a desired work speed by adjusting and operating them. In this embodiment, the manual switch 43 is used to restart the transport conveyor 20 after it is stopped.
Alternatively, the limit switch 40 may be turned on and the second relay 63 may be turned on, so that the conveyor 30 is restarted at the same time when the bucket 30 becomes ready to accept the falling debris. By doing so, the sandbag production work can be performed more quickly, and in this embodiment, the sandbag bag 51 is manually placed in the lower portion of the auxiliary hopper 50 and the sewing machine 53 is used to open the sandbag bag 51. May be further automated, for example, a driving roller conveyor may be used instead of the free roller conveyor 52. In that case, by improving the function of the control device 41 by using a computer or the like, the operation / stop of these automated mechanisms is interlocked with the operation of the bucket 30 and the like, and the sandbag production work can be performed smoothly and quickly with less labor. Can be realized.

[Brief description of drawings]

FIG. 1 is a front view showing a schematic configuration of a sandbag manufacturing apparatus according to an embodiment.

FIG. 2 is a plan view showing a schematic configuration of the sandbag manufacturing apparatus of the embodiment.

FIG. 3 is a block diagram showing a configuration of a control system of the sandbag manufacturing apparatus according to the embodiment.

[Explanation of symbols]

10 ... Main hopper, 11 ... Carrying port,
12 ... carry-out port, 20 ... transport conveyor, 22 ... motor, 30 ... bucket, 32 ... steel plate,
37 ... Air cylinder, 38 ... Piston rod, 40 ... Limit switch, 41 ... Control device,
43 ... Manual switch, 51 ... Sandbag bag,
56 ... sandbags,

Claims (1)

[Claims] 1. A debris storage part having a funnel shape and having a carry-in port and a carry-out port smaller than the carry-in port, a conveyor for carrying out the debris stored in the debris storage part through the carry-out port, and the conveyor. A bucket for storing the debris carried out in, a detecting means for detecting that the bucket has accumulated a predetermined amount of debris, and a discharging mechanism for discharging the debris stored in the bucket into a sandbag bag prepared in advance. And a control unit that stops the operation of the conveyor based on a detection signal of the detection unit and operates the release mechanism.