JP2002361493A - Waste compressing and solidifying equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely feed a proper amount of wastes into a compression chamber 17 of a compression box 19 without interrupting work during the course of the work. SOLUTION: This waste compressing and solidifying equipment is provided with a feed screw conveyance 33 for feeding the wastes to the inner side of a hopper 9, is provided with a feed motor 35 for rotating this feed screw conveyance 33 in a feed direction and a counter feed direction (a rotating direction opposite to the feed direction) and is provided with direction changeover means 43 for alternately changing over the rotating direction of the feed screw conveyance 33 at every set time according to the characteristics of the wastes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to, for example, metal chips,
The present invention relates to a waste compression solidifying apparatus for compressing and solidifying waste such as wood chips and paper chips.

[0002]

2. Description of the Related Art A conventional waste compression and solidification apparatus is disclosed in Japanese Utility Model Laid-Open Publication No. 7-33490, and this prior art will be briefly described below.

[0003] The waste compression and solidification apparatus is based on an apparatus main body, and the apparatus main body is provided with a hopper capable of storing waste. A supply opening is provided on the upper side of the hopper, and a carry-out port is provided on the bottom side of the hopper. A compression box provided with a compression chamber that can communicate with the carry-out port is provided below the hopper. A compression means for compressing and solidifying the waste sent into the compression chamber in a sealed state is provided inside the apparatus main body. In order to send waste from the hopper to the compression chamber, a feed screw conveyor having spiral feed blades is provided inside the hopper, and a feed motor for rotating the feed screw conveyor is provided in the hopper. is there. Here, the tip of the feed screw conveyor is configured to be located near the compression chamber.

[0004] Therefore, waste is stored in the hopper through the supply opening. Next, by rotating the feed screw conveyor by driving the feed motor, the waste is sent from the outlet in the hopper to the compression chamber in the compression box. Then, the compression means is appropriately operated to compress and solidify the waste in a sealed state.

[0005]

By the way, waste such as thread-like chips may be wound around the feed screw shaft of the feed screw conveyor by the rotation of the feed screw conveyor. Then, in this state, when the feed screw conveyor further rotates, the lump of the wound waste gradually increases and accumulates in the vicinity of the carry-out port. Therefore, an appropriate amount of waste cannot be sent to the compression chamber of the compression box, and the work is interrupted on the way, resulting in a problem that the work efficiency is deteriorated.

[0006]

According to the present invention, a hopper capable of storing waste is provided, a supply opening is provided above the hopper, and a carry-out port is provided at the bottom of the hopper. A compression box provided with a compression chamber capable of communicating with the carry-out port, and a compression means for compressing and solidifying the waste fed into the compression chamber in a closed state in a waste compression and solidification apparatus. In order to send waste from the discharge port to the compression chamber, a feed screw conveyor having a spiral feed blade is provided inside the hopper, and the feed screw conveyor is moved in the feed direction and the counter feed direction (this direction). A feed motor for rotating the feed screw conveyor in a direction opposite to the feed direction), the tip of the feed screw conveyor is configured to be located near the compression chamber, and according to the characteristics of the waste. For each constant time, characterized by comprising providing a diverting means for switching alternately the direction of rotation of the feed screw conveyor.

According to the first aspect of the present invention,
After the waste is accommodated in the hopper through the supply opening, the feed motor is driven to rotate the feed screw conveyor, so that the waste is continuously sent from the outlet to the compression chamber of the compression box.

Also, when sending waste into the compression chamber,
The direction of rotation of the feed screw conveyor is alternately switched at every time set according to the characteristics of the waste by the direction switching means. That is, every time set according to the characteristics of the waste, by rotating the feed screw conveyor in the feed direction, a sending step of sending the waste to the carry-out port,
The feed screw conveyor is rotated in the reverse feed direction, and the unwinding step of causing the waste screw wound around the feed screw shaft of the feed screw conveyor to break up the lump is alternately repeated.

Then, after an appropriate amount of waste is sent into the compression chamber from the carry-out port, the waste is compressed and solidified in a closed state by the compression means.

According to the second aspect of the present invention, in addition to the specific features of the first aspect, the direction switching means includes a feed motor control section for controlling the feed motor, and a feed motor control section for controlling the feed motor. A first timer electrically connected to the feed screw conveyor and setting a rotation time (feed rotation time) in the feed direction of the feed screw conveyor; and a counter feed of the feed screw conveyor electrically connected to the feed motor control unit. A second timer for setting a rotation time in the direction (set-back time).

[0011] According to the invention specifying matter of claim 2,
In addition to the operation according to the first aspect of the present invention, the rotation time (feed rotation time) in the feed direction of the feed screw conveyor is set by the first timer according to the characteristics of the waste and the second timer. Set the rotation time (reverse rotation time) of the feed screw conveyor in the reverse direction. Then, by controlling the feed motor by the feed motor control unit, the rotation direction of the feed screw conveyor is alternately changed every set time (feed rotation time, counter-feed rotation time) set by the first and second timers. Switch to.

According to the third aspect of the present invention, in addition to the features specified in the first or second aspect of the present invention, in order to draw the waste to the carry-out port, a forward spiral is provided on the bottom of the hopper. A drawing screw conveyor provided with a shape-like forward drawing blade and a reverse spiral drawing reverse drawing blade is provided so as to intersect with the feed screw conveyor, and a drawing motor for rotating the drawing screw conveyor is provided. And wherein the forward drawing blade is located on one side of the carry-out port and the reverse drawing blade is located on the other side of the carry-out port.

According to the third aspect of the present invention,
In addition to the effect of the invention specified in claim 1 or 2, when the waste is sent into the compression chamber, by driving the drawing motor, the drawing screw conveyor is rotated in the drawing direction, Waste can be drawn from one side and the other to the exit side.

In the invention described in claim 4, in addition to the matters specified in the invention described in claim 3, when the feed screw conveyor is rotated in the feeding direction, the drawing screw conveyor is moved in the drawing direction. While rotating, to stop the rotation of the pulling screw conveyor when rotating the feed screw conveyor in the counter-feeding direction, or to rotate in the counter-drawing direction (rotation direction opposite to the drawing direction), A pull motor control unit for controlling the pull motor is provided.

According to the fourth aspect of the present invention,
In addition to the operation according to the third aspect of the present invention, by controlling the drawing motor by the drawing motor control unit, the drawing screw conveyor is moved in the drawing direction when the feed screw conveyor is rotated in the feeding direction. When the feed screw conveyor is rotated in the counter-feeding direction, the rotation of the drawing screw conveyor is stopped, or the drawing screw conveyor is rotated in the counter-pulling direction.

According to the fifth aspect of the present invention, a hopper capable of storing waste is provided, a supply opening is provided above the hopper, and a carry-out port is provided at the bottom of the hopper, and the hopper is connected to the carry-out port. Providing a compression box with a possible compression chamber,
A waste compression solidification apparatus provided with a compression means for compressing and solidifying the waste sent into the compression chamber in a sealed state, wherein the waste is sent from the carry-out port to the compression chamber. A feed screw conveyor with a spiral feed blade is provided inside the hopper, and a feed motor for rotating the feed screw conveyor is provided,
The tip of the feed screw conveyor is configured to be located near the compression chamber, and in order to draw waste from one side to the discharge port, a forward-wound spiral shape is formed on one side of the discharge port at the bottom of the hopper. A first drawing screw conveyor provided with forward drawing blades; a first drawing motor for rotating the first drawing screw conveyor; and a hopper for drawing waste from the other side to the carry-out port. A second draw screw conveyor having reverse winding spiral reverse draw blades is provided on the other side of the carry-out port at the bottom of the drawer, and a second draw motor for rotating the second draw screw conveyor is provided. It is characterized by the following.

According to the fifth aspect of the present invention,
After the waste is accommodated in the hopper through the supply opening, the feed motor is driven to rotate the feed screw conveyor, so that the waste is continuously sent from the outlet to the compression chamber of the compression box.

Also, when sending waste into the compression chamber,
By driving the first drawing screw conveyor in the drawing direction by driving the first drawing motor and rotating the second drawing screw conveyor in the drawing direction by driving the second drawing motor, Waste can be drawn from the other side to the carry-out side, and the feeding action by the feed screw conveyor can be promoted.

Further, since the first pulling screw conveyor is located on one side of the outlet and the second pulling screw conveyor is located on the other side of the outlet, in other words, above the outlet. Because the first and second pulling screw conveyors are not located at the same time, the lump of waste wound around the feed screw shaft of the feed screw conveyor is
The second pulling screw conveyor can be prevented from being caught.

Then, after an appropriate amount of waste is sent from the carry-out port to the compression chamber, the waste is compressed and solidified in a closed state by the compression means.

In the invention according to claim 6, in addition to the matters specified in claim 5, the rotation speed of the first drawing screw conveyor and the rotation speed of the second drawing screw conveyor are different. A draw motor control unit for controlling the first draw motor and the second draw motor differently is provided.

According to the invention specifying matter of claim 6,
In addition to the operation of the invention specified in claim 5, by controlling the first drawing motor and the second drawing motor by the drawing motor control unit, the rotation speed of the first drawing screw conveyor and the second drawing motor are controlled. The rotation speed of the pulling screw conveyor is different. Thereby, a forced twist is given to the waste drawn by the first drawing screw conveyor and the second drawing screw conveyor,
Floating waste can be suppressed.

According to the invention described in claim 7, in addition to the invention-specifying matter described in any one of claims 1 to 6, a feed screw shaft in the feed screw conveyor is used. It is characterized in that it is configured in a tapered shape so as to gradually become thinner from the end side to the tip side.

According to the invention of claim 7, according to claim 1,
In addition to the function of the invention specifying matter according to claim 6,
Since the feed screw shaft in the feed screw conveyor is configured to be tapered so as to gradually become thinner from the base end side to the front end side, the lump of waste is sent by the feed screw conveyor, and the lump of waste is collected. Becomes loose.

According to an eighth aspect of the present invention, in addition to the features specified in any one of the first to seventh aspects, a front side of the carry-out port in the feed blade is provided. The invention specific matter according to claim 8, wherein the pitch between blades of the portion is reduced, and the pitch between blades of a portion of the feed blade closer to the proximal end than the near side portion is increased. According to the present invention, in addition to the invention-specifying matter described in any one of claims 1 to 7, the pitch between the blades at the front side portion of the carry-out port in the feed blade is reduced, and the front side of the feed blade is reduced. By configuring the pitch between the blades on the base end side larger than the part, the feed speed of the waste by the feed screw conveyor is slower on the near side of the outlet and faster on the base end side.

According to the ninth aspect of the present invention, in addition to the features specified in the eighth aspect, the pitch between the blades of the feed blade at a position on the tip side of the front side portion with respect to the near side portion is increased. It is characterized by comprising.

According to the invention specifying matter of claim 9,
In addition to the effect of the invention specified in claim 8, the feed speed of the waste by the feed screw conveyor is configured such that the pitch between the blades at the front end portion of the feed blade is larger than that at the front side portion. Becomes faster on the tip side.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to the present embodiment will be described below.

As shown in FIGS. 1 to 3, a waste compression and solidification apparatus 1 according to the first embodiment of the present invention
The apparatus main body 3 includes a support frame 5 extending in the left-right direction (the left-right direction in FIGS. 1 and 2).
And a box-shaped frame 7 erected on the right side of the support frame 5. On the left side of the box-shaped frame 7 is a hopper 9 for storing waste (mainly metal chips in this embodiment).
The cross section of the hopper 9 is formed in a V-shape in order to collect wastes at the bottom of the hopper 9. A supply opening 11 is provided above the hopper 9 (an upper side in FIG. 1 and a front side as viewed in FIG. 2), and a discharge port 13 is provided below the hopper 9. This hopper 9
One end of a communication pipe 15 is provided integrally with the supply opening 13 in the above.

A compression box 19 having a compression chamber 17 having a circular cross section is provided below the hopper 9 in the support frame 5, and the other end of the communication pipe 15 can communicate with the compression chamber 17 via a supply opening 21. It is configured in. At the left end of the compression box 19, a lid member 23 is provided. The lid member 23 is actuated by an opening / closing cylinder (not shown).
7 is movable in the vertical direction to open and close the left end side (open end side). Compression chamber 1 from hopper 9 via communication pipe 15
The compression chamber 17 is provided with a circular compression member 25 that can move in the left-right direction in order to compress and solidify the waste sent into the container 7 in a sealed state. In order to move the compression member 25 in the left-right direction, a compression cylinder 29 having a piston rod 27 movably in the left-right direction is provided at the center of the support frame 5.
Are connected to the compression member 25. In addition, the discharge port 1 in the hopper 9 is provided without providing the communication pipe 15.
3 may be directly communicated with the supply opening 21.

In order to send the waste from the carry-out port 13 to the compression chamber 17, a feed transport path 31 is formed inside the hopper 9, and the feed transport path 31 is provided with a feed screw conveyor 33. In addition, a feed motor 35 for rotating the feed screw conveyor 33 in the feed direction (the direction of the arrow A in FIG. 3) and in the counter-feed direction (the direction opposite to the feed direction) is provided on the left side of the box-shaped frame 7. Here, the leading end of the feed screw conveyor 33 is
It is configured to be located near.

As shown in FIGS. 3 and 4, the feed screw conveyor 33 has a feed screw shaft 37 interlockingly connected to an output shaft of a feed motor 35, and the feed screw shaft 3
And a spiral feed blade 39 integrally provided so as to be wound around the feed blade 7. In addition, the feed screw shaft 37
Is tapered so as to gradually taper from the base end to the tip end. As shown in FIG.
At the beginning of the winding of No. 9, the length from the side surface of the feed screw shaft 37 to the outer edge of the feed blade 39 gradually increases from almost zero. In addition, feed screw shaft 3
The length from the side surface 7 to the outer edge of the feed blade 39 is substantially constant along the longitudinal direction of the feed screw shaft 37, and the pitch P between the feed blades 39 is constant.

Further, instead of making the pitch between the blades of the feed blade 39 constant, as shown in FIG. 6, the pitch P between the blades of the front side portion 39a of the carry-out port 13 in the feed blade 39 is reduced, and The pitch P between the feed blades of the portion 39b on the base end side of the near side portion 39a and the pitch P between the blades of the portion 39c of the feed blade 39 on the tip side of the front side portion 39a are respectively increased. Is also good. As a result, the feed speed of the waste by the feed screw conveyor 33 is low on the front side of the carry-out port 13 and high on the base end side and the front end side.

As shown in FIG. 1, the box frame 7 has direction switching means 41 for alternately switching the rotation direction of the feed screw conveyor 33 at intervals of a set time according to the characteristics such as the shape and material of the waste. Is provided. That is, a feed motor control unit 43 for controlling the feed motor 35 is provided inside the box frame 7, and a first timer 4 electrically connected to the feed motor 35 is provided in front of the box frame 7.
5, a second timer 47 and a third timer 49 are provided. Here, the first timer 45 sets the rotation time (feed rotation time) of the feed screw conveyor 33 in the feed direction, and the second timer 47 sets the rotation time (counter rotation) of the feed screw conveyor 33 in the counter feed direction. Rotation time)
The third timer 49 sets the total rotation time of the feed screw conveyor 33 until an appropriate amount of waste is sent to the compression chamber 17.

As shown in FIGS. 1 to 3, in order to draw the waste at the bottom of the hopper 9, a pulling conveyance path groove 51 passing through the discharge port 13 is provided at the bottom of the hopper 9. A pulling screw conveyor 53 is provided in the pulling conveyance path 51, and a rear portion of the box-shaped frame 7 (a rear portion in FIG. 1 as viewed from the paper surface, an upper portion in FIG. 2, and a left portion in FIG. 3). A pulling motor 55 for rotating the pulling screw conveyor 53 is provided.

The drawing screw conveyor 53 has a drawing screw shaft 57 interlocked with an output shaft of a drawing motor 55 and a spiral shape integrally provided so as to wind around the drawing screw shaft 57 in the forward direction. And a spiral pulling blade 61 integrally provided so as to wind around the pulling screw shaft 57 in the opposite direction. Here, the forward drawing blade 59 is located on the rear side (one side) of the carry-out port 13 and the reverse drawing blade 61 is located on the front side (the other side) of the carry-out port 13. The forward drawing blade 59 and the reverse drawing blade 61 are configured to be considerably larger than the feed blade 39 in the feed screw conveyor 33.

A pulling motor control unit 63 is electrically connected to the pulling motor 55. The pulling motor control unit 63 controls the pulling screw when rotating the feed screw conveyor 33 in the feeding direction. The pulling motor 55 is rotated so that the conveyor 53 is rotated in the pulling direction (the direction of arrow B in FIG. 3) and the rotation of the pulling screw conveyor 53 is stopped when the feed screw conveyor 33 is rotated in the counter-feeding direction. To control. In addition, instead of controlling the drawing motor 55 to stop the rotation of the drawing screw conveyor 53, the drawing screw conveyor 53 is controlled to rotate in the anti-drawing direction (the direction opposite to the drawing direction). Is also good.

Next, the operation of the embodiment of the first invention will be described.

The waste is accommodated in the hopper 9 through the supply opening 11. Further, the feed rotation time is set by the first timer 45 according to the characteristics of the waste,
The counter feed rotation time is set by a timer 47. Further, the third timer 49 sets the total rotation time. Then, by rotating the feed screw conveyor 33 by driving the feed motor 35, the waste is sent from the carry-out port 13 to the compression chamber 17 in the compression box 19.

When the waste is fed into the compression chamber 17, the feed motor controller 43 controls the feed screw conveyor 33 so that the first and second timers 4 are controlled.
The rotation direction of the feed screw conveyor 33 is alternately switched at every time set by 5, 47. That is, for every time (feed rotation time, counter-feed rotation time) set according to the characteristics of the waste, the feed screw conveyor 33 is rotated in the feed direction, and the waste is sent to the carry-out port 13; The feed screw conveyor 33 is rotated in the counter-feed direction, and the unwinding step of causing the waste screw wound around the feed screw shaft 37 of the feed screw conveyor 33 to break up the lump is alternately repeated. Furthermore, the feed screw shaft 3 in the feed screw conveyor 33
7 is formed in a tapered shape so as to gradually become thinner from the base end side to the front end side, so that the lump of waste is sent by the feed screw conveyor 33,
The lump of waste is loosened.

Further, by controlling the drawing motor 55 by the drawing motor control unit 63, when the feeding screw conveyor 33 is rotated in the feeding direction, the drawing screw conveyor 53 is rotated in the drawing direction, and In addition, the waste is drawn from the front side to the carry-out port 13 side, and the rotation of the drawing screw conveyor 53 is stopped when the feed screw conveyor 33 is rotated in the counter feed direction.

When the total rotation time set by the third timer 49 is reached, the feed motor 3
5 to stop the rotation of the feed screw conveyor 33. Further, the pulling motor 55 is controlled by the pulling motor control unit 63 to stop the rotation of the pulling screw conveyor 53. By moving the compression member 25 to the left by the operation of the compression cylinder 29, the waste in the compression chamber 17 is compressed and solidified into a cylindrical shape in a closed state. Note that a part of the waste is cut by the compression member 25 passing near the left end of the supply opening 21.

After the waste is compressed and solidified, the lid member 23 is moved upward by the operation of the opening / closing cylinder.
Open the left end side of the compression chamber 17. And the compression cylinder 29
By moving the compression member 25 to the left by the operation of, the compressed and solidified waste can be taken out from the compression chamber 17.

As described above, according to the first embodiment of the present invention, when the waste is sent to the outlet 13, the sending step of sending the waste to the outlet 13 in accordance with the characteristics of the waste, Since the process of unraveling the lump of waste wrapped around the feed screw shaft 37 in the feed screw conveyor 33 is alternately repeated, the increase in lump of waste is suppressed, and the transport of the hopper 9 is suppressed. There is no accumulation of waste in the vicinity of the outlet 13. Therefore, an appropriate amount of waste can be reliably sent to the compression chamber 17 of the compression box 19 without interrupting the operation on the way, and the operation efficiency is improved. In particular, since the lump of the waste is sent by the feed screw conveyor 33, the lump of the waste is loosened, so that the lump of the waste wound around the feed screw shaft 37 can be further suppressed from increasing.

When the feed screw conveyor 33 is rotated in the feed direction, the pulling screw conveyor 53 is used.
In order to stop the rotation of the drawing screw conveyor 53 when rotating the feeding screw conveyor 33 in the counter feeding direction while rotating the feeding screw conveyor 33 in the drawing direction, while increasing the feeding efficiency by the feeding screw conveyor 33, the The action of unraveling an object can be sufficiently performed.

As shown in FIGS. 7 and 8, the waste compression and solidification device 65 according to the second embodiment of the present invention
Like the waste compression and solidification apparatus 1 according to the embodiment of the present invention, the apparatus includes a device main body 3, a hopper 9, a compression box 19, a compression cylinder 29, a feed screw conveyor 33, a feed motor 35, and the like. The same components as those in the compression and solidification apparatus 1 are denoted by the same reference numerals in the drawings, and detailed description is omitted. Hereinafter, a characteristic portion of the waste compression and solidification device 65 according to the embodiment of the second invention will be described.

In order to draw the waste from the rear side (one side, the upper side in FIG. 7 and the left side in FIG. 8) to the carry-out port 13, the waste is drawn to the rear side of the carry-out port 13 in the drawing conveyance path groove 51. A first drawing screw conveyor 67 is provided, and a first drawing motor 69 for rotating the first drawing screw conveyor 67 is provided at the rear of the box-shaped frame 7. Here, the first pulling screw conveyor 6
7 is a drawing screw shaft 71 linked to the output shaft of the first drawing motor 69, and this drawing screw shaft 71
And a spiral pulling blade 73 integrally provided so as to wind in the positive direction.

Similarly, in order to draw the waste from the front side (the other side) to the carry-out port 13 side, a second drawing screw conveyor 75 is provided at the front side of the carry-out port 13 in the drawing conveyance path groove 51. In addition, a second pulling motor 77 for rotating the second pulling screw conveyor 75 is provided at the front of the box-shaped frame 7. Here, the second pulling screw conveyor 75 is integrally formed with a pulling screw shaft 79 interlockingly connected to the output shaft of the second pulling motor 77 so as to wind around the pulling screw shaft 79 in the opposite direction. And a spiral reverse drawing vane 81 provided.

The forward pulling blade 73 and the reverse pulling blade 81 are configured to be considerably larger than the feed blade 39 of the feed screw conveyor 33.

A pulling motor control unit 79 is electrically connected to the first pulling motor 69 and the second pulling motor 77. The pulling motor control unit 79 includes a first pulling screw conveyor. The first drawing motor 69 and the second drawing motor 77 are controlled so that the rotation speed of the second drawing screw conveyor 75 differs from the rotation speed of the second drawing screw conveyor 75.

Next, the operation of the embodiment of the second invention will be described.

The waste is accommodated in the hopper 9 through the supply opening 11. Then, by rotating the feed screw conveyor 33 by driving the feed motor 35, the waste is continuously sent from the carry-out port 13 to the compression chamber 17 in the compression box 19.

When the waste is fed into the compression chamber 17, the first pulling motor 69 drives the first pulling screw conveyor 67 to rotate in the pulling direction, and the second pulling motor 77 drives the waste. By rotating the second pulling screw conveyor 79 in the pulling direction, the waste can be drawn toward the carry-out port 13 from the rear side and the front side. Thereby, the feeding operation of the waste by the feed screw conveyor 33 can be promoted.

Here, by controlling the first drawing motor 69 and the second drawing motor 77 by the drawing motor control section 79, the rotation speed of the first drawing screw conveyor 67 and the second drawing screw conveyor 75 are controlled. So that the rotation speeds are different. As a result, the first drawing screw conveyor 67 and the second drawing screw conveyor 7
The forcible twist is given to the waste attracted by 5 and the waste can be prevented from rising.

Further, the first pulling screw conveyor 67
Is located on the rear side of the carry-out port 13 and the second pulling screw conveyor 75 is located on the front side of the carry-out port 13, in other words, above the carry-out port 13 (in FIG. (Upward in FIG. 8)
Since the drawing screw conveyors 67 and 75 are not located, it is possible to suppress the lump of waste wrapped around the feed screw shaft 37 of the feed screw conveyor 33 from being caught on the first and second drawing screw conveyors 67 and 75. .

After an appropriate amount of waste is sent to the compression chamber 17, the feed motor control unit 43 controls the feed motor 35 to stop the rotation of the feed screw conveyor.
The pulling motor control section 79 controls the first and second pulling motors 69 and 77 to stop the rotation of the first and second pulling screw conveyors 67 and 75. By moving the compression member 25 to the left by the operation of the compression cylinder 29, the waste in the compression chamber 17 is compressed and solidified into a cylindrical shape in a closed state. The compression member 2
A part of the waste is cut by the passage of 5 near the left end of the supply opening 21.

After the waste is compressed and solidified, the lid member 23 is moved upward by the operation of the opening / closing cylinder to open the left end side of the compression chamber 17. By moving the compression member 25 to the left by the operation of the compression cylinder 29, the compressed and solidified waste is removed from the compression chamber 1.
7 can be taken out. By moving the compression member 25 to the left by the operation of the compression cylinder 29, the waste in the compression chamber 17 is compressed and solidified into a cylindrical shape in a closed state. Note that a part of the waste is cut by the compression member 25 passing near the left end of the supply opening 21.

After the waste is compressed and solidified, the lid member 23 is moved upward by the operation of the opening / closing cylinder.
Open the left end side of the compression chamber 17. And the compression cylinder 29
By moving the compression member 25 to the left by the operation of, the compressed and solidified waste can be taken out from the compression chamber 17.

As described above, according to the second embodiment of the present invention, the lump of waste wrapped around the feed screw shaft 37 of the feed screw conveyor 33 is caught by the first and second pulling screw conveyors 67 and 75. And the first and second pulling screw conveyors 67 and 75
Waste can be drawn from the rear side and the front side to the carry-out port 13 side.
The outlet 13 of the hopper 9
There is no accumulation of waste in the vicinity. Therefore, an appropriate amount of waste can be reliably sent to the compression chamber 17 of the compression box 19 without interrupting the operation on the way, and the operation efficiency is improved. In particular, by forcibly twisting the waste drawn by the first drawing screw conveyor 67 and the second drawing screw conveyor 75,
Since the floating of the waste can be suppressed, the feeding efficiency by the feed screw conveyor 33 is further improved.

[0060]

According to the invention as set forth in any one of claims 1 to 4, and 7 to 9, when the waste is sent to the carry-out port, the characteristic of the waste is obtained. In accordance with, the feeding process of sending waste to the carry-out port and the unwinding process of unwinding the mass of waste wrapped around the screw shaft in the feed screw conveyor are alternately repeated, so that the mass of waste is reduced. It is possible to prevent the waste from accumulating near the carry-out port of the hopper by suppressing the increase in size. Therefore, an appropriate amount of waste can be reliably sent to the compression chamber of the compression box without interrupting the operation on the way, and the operation efficiency is improved.

According to any one of the third, fourth, seventh, and ninth aspects of the present invention, in addition to the above-described effects, in addition to the above-described effects, the one side and the other side can be used as the carry-out side. Since the waste can be drawn to the feed screw, the feeding efficiency by the feed screw conveyor can be improved.

According to the invention described in any one of claims 4, 7 to 9, in addition to the above-mentioned effects, when the feed screw conveyor is rotated in the feed direction, it is pulled. To rotate the screw conveyor in the drawing direction and stop the rotation of the drawing screw conveyor when rotating the feeding screw conveyor in the counter feeding direction or to rotate the drawing screw conveyor in the counter drawing direction, the feed screw In the above-mentioned unraveling step, the effect of unraveling the waste can be sufficiently exhibited while increasing the feeding efficiency by the conveyor.

According to the invention as set forth in any one of claims 5 to 9, the feed screw shaft of the feed screw conveyor is drawn while the waste is drawn from one side and the other side to the carry-out port. It is possible to suppress the lump of the waste wrapped around the first and second pulling screw conveyors from being caught, so that the lump of the waste does not accumulate near the outlet of the hopper while improving the feeding efficiency by the feed screw conveyor. Therefore, an appropriate amount of waste can be reliably sent to the compression chamber of the compression box without interrupting the operation on the way, and the operation efficiency is improved.

According to the invention described in claims 6 to 9, in addition to the above effects, a forced twist is applied to the waste drawn by the first pulling screw conveyor and the second pulling screw conveyor. As a result, the floating of the waste can be suppressed, so that the feeding efficiency by the feed screw conveyor is further improved.

According to the invention as set forth in any one of claims 7 to 9, since the lump of waste is sent by the feed screw conveyor, the lump of waste is loosened. In addition, it is possible to further suppress the increase of the lump of waste.

[Brief description of the drawings]

FIG. 1 is a front view of a waste compression and solidification device according to an embodiment of the first invention.

FIG. 2 is a plan view of the waste solidifying apparatus according to the embodiment of the first invention.

FIG. 3 is a diagram showing a main part of the embodiment of the first invention.

FIG. 4 is a view showing a feed screw conveyor.

FIG. 5 is a view along the line VV in FIG. 4;

FIG. 6 is a view showing another embodiment of the feed screw conveyor.

FIG. 7 is a plan view of a waste solidifying apparatus according to an embodiment of the second invention.

FIG. 8 is a diagram showing a main part of an embodiment of the second invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waste compression solidification apparatus 9 Hopper 11 Supply opening 17 Compression chamber 19 Compression chamber 33 Feed screw conveyor 35 Feed motor 39 Feed blade 41 Direction switching means 43 Feed motor control unit 45 First timer 47 Second timer 53 Pull screw conveyor 55 drawing motor 59 forward drawing blade 61 reverse drawing blade 65 waste compression and solidification device 67 first drawing screw conveyor 69 first drawing motor 75 second drawing screw conveyor 77 second drawing motor

Claims (9)

[Claims] 1. A compression box provided with a hopper capable of storing waste, having a supply opening above the hopper, having a discharge port on the bottom side of the hopper, and having a compression chamber which can communicate with the discharge port. A waste compression solidification apparatus comprising compression means for compressing and solidifying the waste sent into the compression chamber in a sealed state, for sending waste from the discharge port to the compression chamber. A feed screw conveyor having a spiral feed blade is provided inside the hopper, and a feed motor for rotating the feed screw conveyor in a feed direction and a counter-feed direction (a rotation direction opposite to the feed direction) is provided. The feed screw conveyor is configured such that the tip thereof is located near the compression chamber, and the feed screw conveyor is moved at intervals set according to the characteristics of the waste. Waste compression solidification apparatus characterized by comprising providing a diverting means for switching the alternating rotation directions. 2. A feed motor control unit for controlling the feed motor, a direction switching unit electrically connected to the feed motor control unit, and a rotation time (feed rotation time) of the feed screw conveyor in a feed direction. The first to set
The apparatus according to claim 1, further comprising: a timer, and a second timer electrically connected to the feed motor control unit and configured to set a rotation time (counter feed set time) of the feed screw conveyor in a counter feed direction. 2. The waste compression and solidification apparatus according to 1. 3. In order to draw waste to the discharge port,
At the bottom of the hopper, a drawing screw conveyor provided with a forward winding spiral forward drawing blade and a reverse winding spiral reverse drawing blade is provided so as to intersect with the feed screw conveyor. A pulling motor for rotating a conveyor is provided, and the forward pulling blade is located on one side of the carry-out port and the reverse pulling blade is located on the other side of the carry-out port. The waste compression and solidification apparatus according to claim 1 or 2, wherein: 4. The pulling screw conveyor is rotated in the pulling direction when the feed screw conveyor is rotated in the feeding direction, and the pulling screw conveyor is rotated when the feed screw conveyor is rotated in the counter feeding direction. To stop rotation or rotate in the opposite pulling direction (rotation direction opposite to the pulling direction),
The waste compression and solidification apparatus according to claim 3, further comprising a pulling motor control unit that controls the pulling motor. 5. A compression box provided with a hopper capable of storing waste, having a supply opening above the hopper, having a discharge port on the bottom side of the hopper, and having a compression chamber which can communicate with the discharge port. A waste compression solidification apparatus comprising compression means for compressing and solidifying the waste sent into the compression chamber in a sealed state, for sending waste from the discharge port to the compression chamber. A feed screw conveyor having a spiral feed blade is provided inside the hopper, and a feed motor for rotating the feed screw conveyor is provided, so that the tip of the feed screw conveyor is located near the compression chamber. A positively wound spiral drawing blade on one side of the discharge port at the bottom of the hopper to draw waste from one side to the discharge port. Since provided with a first attracting screw conveyor having a first attracting motor for rotating the first attracting the screw conveyor is provided, draw waste from the other side to the carry-out port,
On the other side of the carry-out port at the bottom of the hopper, a second drawing screw conveyor provided with a reverse winding spiral reverse drawing blade is provided, and a second drawing motor for rotating the second drawing screw conveyor is provided. A waste compression and solidification device, comprising: 6. A drawing motor control for controlling the first drawing motor and the second drawing motor so that the rotation speed of the first drawing screw conveyor is different from the rotation speed of the second drawing screw conveyor. The waste compression and solidification apparatus according to claim 5, further comprising a unit. 7. The feed screw shaft of the feed screw conveyor, wherein the feed screw shaft is tapered so as to gradually taper from a base end to a front end. Waste compression solidification apparatus according to any one of the above. 8. A structure in which a pitch between blades of a portion of the feed blade nearer to the carry-out port is reduced, and a pitch between blades of a portion of the feed blade closer to the base end than the portion nearer to the outlet is increased. 2. The method according to claim 1, wherein
The waste compression solidification apparatus according to any one of claims 1 to 7. 9. The waste compression and solidification apparatus according to claim 8, wherein a pitch between the blades of the feed blade at a portion on the tip side of the front side portion is larger than that on the front side portion.