KR102549221B1 - Cutting apparatus to powdered size using waste fiber - Google Patents

Abstract

The present invention relates to a fiber powder pulverization device, which can prevent the generation of harmful substances during recycling of waste fibers by finely pulverizing waste clothing or waste fibers into a powder size by the cutting unit without using chemicals, , It is possible to adjust the distance between the roller blades by the distance adjustment unit, and easily separate the roller blades that have been pulverized by the elastic separation unit to prevent errors in the subsequent pulverization process, and a plurality of pulverizers. By connecting or stacking them vertically, the powder degree of waste clothing can be adjusted as desired by the user, and the apparatus can be compactly configured by forming a plurality of stacked crushing devices stepwise from each other.

Description

Fiber powder crushing device {CUTTING APPARATUS TO POWDERED SIZE USING WASTE FIBER}

The present invention relates to a fiber pulverization and grinding device, and more particularly, to finely pulverize waste clothing or waste fibers into powder size without using chemicals to prevent generation of harmful substances during recycling of waste fibers, The present invention relates to a fiber pulverizing and crushing device that pulverizes waste fibers so that they can be evenly dispersed and mixed in concrete or cement by preventing agglomeration of fibers even when the fibers are used in concrete blocks.

Recently, the amount of waste fibers generated at home and abroad is increasing every year. For example, in 2016, the amount of waste fiber produced in Seoul amounted to 2,500,000 tons. However, the recycling rate of waste fibers is very low, and in a situation where landfilling of waste fibers becomes increasingly difficult, incineration becomes the only treatment method, which requires enormous waste fiber treatment costs and at the same time causes secondary environmental pollution due to incineration. is caused

Recently, a plan to recycle such waste fibers into nonwoven fabrics or felts by crushing and reprocessing has been proposed. After cutting various waste fibers and making them into cotton with a cotton swab, the cotton regenerated from waste fibers is fronted to a certain thickness on both sides of the polypropylene flat yarn (polypropylene net), and the front cotton is needled on both sides of the polypropylene yarn Recycling as a mattress, and the mattress manufactured in this way is proposed to be used as a thermal insulation material for agricultural plastic greenhouses or concrete curing cloth.

The prior art for recycling waste fibers is to crush the waste fibers to a size of approximately 10 × 10 mm to 50 × 50 mm, make them into cotton through a cotton-tipped machine, apply a binder or immerse in the binder, and then heat and press again. process is common. However, this prior art has a problem in that secondary environmental pollution is caused during the recycling process because a large amount of chemicals are used in the process of recycling waste fibers.

In addition, a method of using waste fibers for the manufacture of concrete blocks has been proposed. In the case of using waste fibers pulverized to a size of about 10 × 10 mm to 50 × 50 mm, waste fibers are bundled together or mixed materials centered on waste fibers Dispersion problems occur due to fiber ball phenomenon, such as aggregation, and there is a problem of reducing strength due to lack of adhesion with cement paste.

Korean Patent Publication No. 10-2014-0010652 (Eco-friendly pellet type fiber reinforcement for concrete reinforcement and its manufacturing method)

The present invention is to solve the problems of the prior art described above, and an object of the present invention is to provide a fiber pulverization and grinding device capable of finely pulverizing waste clothing or waste fibers into powder size without using chemicals.

In order to achieve the above object, a fiber powder crushing apparatus according to the present invention includes a support frame, a case surrounding the support frame, a supply hopper installed on the upper part of the support frame and into which pieces of waste clothing are input, A driving unit having a cutting unit fixed to the support frame and installed at a lower side of the supply hopper and having a pair of roller blades for crushing pieces of waste clothing supplied from the supply hopper, and a drive motor for rotationally driving the roller blades. And, a pair of roller brackets fastened to the support frame and to which the center shaft of the pair of roller blades is fastened and supported, and the pair of roller blades by screwing to the support frame and rotating to press the roller brackets A distance adjusting handle for adjusting the distance between the roller brackets, and an elastic separator installed between the pair of roller brackets to easily separate the pair of roller blades in which the pulverized pieces of waste clothing are entangled by elastically pressing the roller blades. to be characterized

Here, the cutting unit is provided with a pair of second roller blades installed at a predetermined interval from the pair of roller blades and pulverizing the pieces of waste clothing pulverized by the pair of roller blades. .

Here, a conveying screw having a plurality of screws formed on an outer circumferential surface of the lower part of the roller blade or the second roller blade is characterized in that it includes a conveying part for conveying the pulverized pieces of waste clothing in a horizontal direction.

The drive unit includes a first chain sprocket connected to a rotational gear connected to the rotational shaft of the driving motor and the rotational shaft of the main roller blade among the rotational shaft of the driving motor and the rotational shaft of the driving motor and the pair of second roller blades. It is characterized in that it comprises a second chain sprocket connected to a rotational gear connected to the rotational shaft of the main second roller blade, and a drive pulley connecting the rotational shaft of the drive motor and the rotational shaft of the transfer screw.

Here, a vertical transfer unit installed vertically is installed at the end of the transfer unit, and the vertical transfer unit has a vertical transfer pipe formed in a cylindrical shape and an upper end bent to be connected to a supply hopper of an adjacent crusher, and a lower It is characterized in that it includes a transfer fan installed at the end to pressurize and transfer the transferred waste clothing powder upward.

Here, an upper and lower guide plate is formed at the lower part of the pair of roller blades, and an intake fan is formed at the lower end of the guide plate.

Here, it is characterized in that a blocking plate having a plurality of passage holes is installed inside the guide plate.

Here, the fiber pulverization and crushing devices are formed by stacking a plurality of them, and include an inclined support frame formed to be inclined downward with respect to the support frame, and the crushing devices stacked up and down are formed to be stepped from each other.

According to the present invention having the above configuration, waste clothing or waste fibers are finely pulverized into powder size by the cutting unit without using chemicals, so that harmful substances can be prevented from being generated during recycling of waste fibers.

In addition, according to the present invention, since the pulverized waste fiber powder is in a finely powdered state, even if the waste fiber is used in a concrete block or the like, it can be evenly dispersed and mixed in concrete or cement by preventing fiber aggregation.

In addition, according to the present invention, since the distance between the roller blades can be adjusted by the distance control handle according to the size and type of the waste fiber to be supplied, the fineness of the waste fiber to be pulverized can be well maintained.

In addition, according to the present invention, the pulverized roller blades are easily separated by the elastic separation unit so that the pulverized waste fibers are attached to the roller blades of the cutting unit so that the continuously supplied waste fibers do not interfere with the pulverization. It is possible to prevent errors from occurring in the crushing process.

In addition, according to the present invention, a plurality of the grinding devices are connected or stacked vertically so that the user can adjust the powder degree of waste clothing as desired, and the plurality of grinding devices to be stacked are formed stepwise to make the device compact. can be configured.

1 is a perspective view showing a fiber powder grinding device according to the present invention.
Figure 2 is a perspective view of a state in which the case, supply hopper, and transfer pipe of the fiber powder crusher of the present invention are removed.
3 is a view showing a cut portion of the present invention.
4 is a view showing a roller blade of the present invention.
5 is a view showing a state in which a plurality of fiber powder grinding devices of the present invention are connected.
6 is a view schematically showing a state in which the fiber powder crushing device of the present invention is stacked vertically.

Hereinafter, with reference to the accompanying drawings, a fiber powder crushing apparatus according to the present invention will be described in detail as an embodiment.

1 to 5, the fiber powder crushing device 1 according to the present invention includes a support frame 2, a case 3, a supply hopper 4, a cutting part 10, It includes a roller bracket 20, a drive unit 30, a distance adjustment handle 40, an elastic separation unit 41, and a transfer unit 50.

The support frame 2 is installed upright on the floor, and includes a vertical support frame and a horizontal support frame. do.

The case 3 is formed to surround the outside of the support frame. A supply hopper 4 is provided above the support frame and the case. The supply hopper 4 is formed in a trapezoidal shape with a cross section of upper and lower sides, and waste clothing or waste fibers to be pulverized are supplied through the supply hopper.

The cutting part 10 is installed at the bottom of the supply hopper 4. The cutting unit 10 is fixedly supported by the support frame and is installed on the lower side of the supply hopper to crush pieces of waste clothing supplied from the supply hopper.

The cutting part 10 includes a roller blade 11 having a cutting edge on an outer circumferential surface.

As shown in FIG. 4 , the roller blade 11 includes a blade body 110, an inclined blade 111, and a blade shaft 112.

The blade body 110 is formed in a substantially cylindrical shape, and is preferably made of a metal material such as stainless steel or steel.

An inclined blade 111 is formed on the outer circumferential surface of the blade body 110 . The inclined blade 111 is cut in a concave-convex shape along the outer circumferential surface of the blade body to form a cutting blade. The inclined blade 111 is preferably formed inclined with respect to the longitudinal direction of the blade body. By forming the inclined blade, compared to straight blades, it is possible to prevent the blades from contacting each other and increasing the load when crushing waste clothing, and to receive force pushing each other between the inclined blades of adjacent blade bodies during pressurization rotation, which is relatively small. The crushing rate can be increased by power. The distance between the cutting blades of the inclined blades is formed in the range of about 0.01 to 1.25 mm, so that when a plurality of crushing devices are installed or a plurality of cutting parts are installed, blades with an appropriate pitch can be installed as needed.

In this embodiment, the cutting part 10 is composed of a pair of roller blades 11a and 11b, and the pair of roller blades are rotated in opposite directions while contacting each other to be supplied between the pair of roller blades. Pulverize the lungs.

One roller blade 11a of the pair of roller blades is a driven roller blade whose roller blade shaft is connected to a driving unit to be described later and rotated, and a first driven rotation gear 12 is installed on the blade shaft of the driven roller blade. do. The other roller blade 11b of the pair of roller blades is a driven roller blade that rotates in contact with the main roller blade, and a first driven rotation gear 13 is installed on the blade shaft of the driven roller blade. 1 driven rotation gear 13 is meshed with the first main rotation gear, and when the first main rotation gear is rotated by the driving of the driving unit, the first driven rotation gear is engaged and rotated to rotate the driven roller blade.

The cutting part 10 may further install a second roller blade under the pair of roller blades 11a and 11b. The second roller blade is installed at a predetermined distance from the pair of roller blades to the lower side, and is configured to pulverize pieces of waste clothing pulverized by the pair of roller blades.

Since the configuration of the second roller blade is the same as that of the first roller blade, duplicate descriptions will be omitted.

One of the second roller blades is a main roller blade that is rotated by connecting a roller blade shaft to a drive unit, and a second main rotation gear 14 is installed on the blade shaft of the main roller blade. The other roller blade of the pair of second roller blades is a driven roller blade that rotates in contact with the main roller blade, and a second driven rotation gear 15 is installed on the blade shaft of the driven roller blade. The driven rotation gear 15 is meshed with the second main rotation gear, and when the second main rotation gear is rotated by the driving of the drive unit, the second driven rotation gear is engaged and rotated to drive the driven roller blade of the second roller blade. is rotated

The drive unit 30 rotationally drives the roller blade.

In this embodiment, the drive unit 30 includes a drive motor 31, a first chain sprocket 32, and a second chain sprocket 33.

The first chain sprocket 32 has one side connected to the rotational shaft of the driving motor and the other side connected to the rotational gear connected to the rotational shaft of the main roller blade 11a among the pair of roller blades.

The second chain sprocket 33 has one side connected to the rotational shaft of the drive motor and the other side connected to the rotational gear connected to the rotational shaft of the main roller blade among the pair of second roller blades.

When the driving motor is rotationally driven, the rotational shaft of the driving motor is rotationally driven, and accordingly, the first chain sprocket and the second sprocket connected to the rotational shaft of the driving motor are rotated to rotationally drive the main roller blade among the roller blades. let it

When the main roller blade among the roller blades is rotationally driven, the driven rotation gear meshed with the main rotation gear of the main roller blade is driven, and thus the driven roller blade is rotationally driven in the opposite direction to the main roller blade.

The driving unit 30 further includes a driving pulley 34. The driving pulley 34 has one side connected to the rotational shaft of the driving motor and the other side connected to the rotational shaft of the transfer screw to be described later, so that the transfer screw is rotationally driven by the rotational drive of the drive motor to drive the transfer screw. The accommodated pulverized waste fibers are transferred to the conveying unit side by screw rotation.

Thus, by the configuration of the drive unit, one drive motor can be driven to drive the pair of roller blades, the second roller blade and the transfer screw in conjunction with each other at the same time.

A roller bracket 20 is installed on the support frame at the position of the roller blade. The roller bracket 20 is formed as a substantially rectangular bracket fixed to the support frame, and a blade shaft of a roller blade is rotatably inserted and supported at the center.

Among the roller brackets 20, the first roller bracket 21 is supported by fastening the blade shafts of the pair of roller blades, and the second roller bracket 22 is supported by fastening the blade shafts of the second roller blades. .

A spacing adjustment handle 40 is connected to the roller bracket 20. As shown in FIGS. 1 and 2 , the distance adjusting handle 40 includes a handle gripped by a user and a handle bar vertically connected to the handle and inserted into the support frame.

A screw thread is formed inside the support frame into which the handle bar is inserted, and a screw thread is formed on an outer circumferential surface of the handle bar so that the handle is screwed to the support frame. The insertion position of the handle bar may be adjusted by rotating the handle to move the handle bar back and forth.

An end of the handle bar of the spacing adjusting handle 40 passes through the support frame and is configured to come into contact with the roller bracket 20 .

By rotating the handle 40 to move the handlebar back and forth, the roller bracket connected to the driven roller blade among the roller blades is pressed to move the roller bracket, thereby moving the driven roller blade connected to the roller bracket. It is possible to adjust the distance between the pair of roller blades by moving.

An elastic separator 41 is installed between the roller brackets. The elastic separator 41 is formed of, for example, an elastic spring and is installed between the roller bracket of the main roller blade and the roller bracket of the driven roller blade.

The pair of roller blades are cut and pulverized by the roller blades while pressing the supplied waste clothes while rotating by the drive of the drive unit in a state where the distance between them is adjusted by the distance adjusting handle. At this time, since the shredded waste clothing is cut while pressurized, it is often not separated from the roller blade after being cut and is entangled with the roller blade. As a result, it may not be possible to return to the original position.

The elastic separator disposed between the roller brackets applies elastic force to the roller brackets to apply force in a direction away from each other, and elastically presses the pair of roller blades in which the pulverized pieces of waste clothing are agglomerated to easily separate them. there is. Waste clothing stuck between the roller blades can also be easily separated by the separation of the roller blades.

Accordingly, the waste clothing can be pressurized while adjusting the distance between the roller blades by the distance control handle, and the waste clothing and the roller blades pressurized and crushed by the elastic separator can be easily separated and returned to their original positions.

The waste clothing is pulverized into powder by the cutting unit, and the waste clothing pulverized into powder is transported by the transfer unit 50 . In this embodiment, the conveying unit may be composed of a conveying screw 51 having a screw blade.

The conveying screw 51 may be installed on an outer circumferential surface of the lower part of the roller blade or the second roller blade, a plurality of screws are formed on the central axis of the conveying screw, and the central axis of the screw is driven to rotate the conveying screw. The screw conveys the shredded waste clothing pieces in a horizontal direction.

As described above, the transfer screw 51 may be rotationally driven by a driving pulley connected to the driving motor, or may be rotationally driven by a separate screw driving motor 16 as shown in FIG. 3 .

A vertical transfer unit 60 is installed at one end of the transfer screw.

The vertical transfer unit has a vertical transfer pipe installed vertically at the end of the transfer unit, formed in a cylindrical shape, and having an upper end bent to be connected to a supply hopper of an adjacent crushing device. The vertical transfer unit 60 may further include a transfer fan (not shown). The transfer fan may be installed at a lower end of the vertical transfer pipe to pressurize and transfer the transferred waste clothing powder upward.

On the other hand, the waste clothing cut to a certain size is pulverized into powder by the cutting part. Since the pulverized waste clothing powder is very light in weight, the roller blade of the cutting part rotates at a high speed to pulverize the waste clothing. It does not fall to the bottom, but scatters and adheres to other components, causing equipment failure.

In this embodiment, the crushing device may have a guide plate 500 and an intake fan installed to prevent scattering of waste clothing powder.

The guide plate 500 has a first guide plate 501 installed on the lower side of the driven roller blade and a second guide plate 502 installed on the lower side of the driven roller blade, the first guide plate And the second guide plate is configured to form a shape of the upper and lower narrow.

In addition, an intake fan (not shown) is installed at the bottom of the guide plate so that waste clothing powder can be easily transferred to the bottom along the guide plate by the intake air of the intake fan.

In addition, a blocking plate 503 is formed inside the guide plate, and a plurality of passage holes 503a are formed in the blocking plate 503, through which the waste clothing powder is transferred to the lower part and the blocking plate It can be prevented from scattering to the top by this.

On the other hand, the crushing device 1 of the present invention, as shown in Figure 5, can be configured by connecting a plurality of grinding devices horizontally.

At this time, the end of the vertical transfer pipe is bent downward, and the pitch of the cutting blades of the roller blades of the adjacent grinding device and the distance between the roller blades are adjusted to each other to reduce the burden on one grinding device, and the crushed It can be configured so that the powder of waste clothing is sequentially fine.

In addition, as shown in FIG. 6, the crusher of the present invention may be configured by stacking a plurality of crushers vertically.

In the embodiment shown in FIG. 6 , the grinding device may include the guide plate without including the second roller blade. In addition, a lower part of the support frame may be formed as an inclined support frame 2a formed to be inclined so that a plurality of crushing devices are stacked while forming a step with each other.

Accordingly, the powder degree of waste clothing can be adjusted as desired by the user, and the device can be compactly configured by forming a plurality of stacked crushing devices stepwise from each other.

The present invention described above is not limited by the foregoing embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within a range that does not deviate from the technical spirit of the present invention. will be clear to those who have knowledge of

1: fiber powder crushing device
2: support frame
10: cutting part
11 : Rollerblade
20: roller bracket
30: driving unit
40: spacing adjustment handle
41: elastic separator
501: transfer screw

Claims (8)

support frame,
A case surrounding the support frame;
A supply hopper installed on the upper part of the support frame and into which pieces of waste clothing are input;
a cutting unit fixedly supported by the support frame and installed at a lower side of the supply hopper and having a pair of roller blades for crushing pieces of waste clothing supplied from the supply hopper;
A driving unit having a driving motor for rotationally driving the roller blade;
A pair of roller brackets fastened to the support frame and supported by fastening the central shaft of the pair of roller blades;
A spacing adjustment handle that is screwed to the support frame and rotates to press the roller bracket to adjust the spacing between the pair of roller blades;
In the fiber pulverization and crushing device having an elastic separation unit installed between the pair of roller brackets to easily separate the pair of roller blades in which the pulverized pieces of waste clothing are entangled, by elastically pressing the roller blades,
An upper and lower guide plate is formed at the lower part of the pair of roller blades, and an intake fan is formed at the lower end of the guide plate.
A blocking plate having a plurality of passage holes is installed inside the guide plate,
The fiber powdering and grinding devices are formed by stacking a plurality of fibers, and include an inclined support frame formed to be inclined downward with respect to the support frame, and the grinding devices stacked up and down are formed to be stepped from each other. crushing device.
The method of claim 1, wherein the cutting portion,
and a pair of second roller blades installed at a predetermined interval from the pair of roller blades and further pulverizing the pieces of waste clothing pulverized by the pair of roller blades. .
According to claim 2,
and a conveying unit having a conveying screw having a plurality of screws formed on an outer circumferential surface of the lower part of the roller blade or the second roller blade, and conveying the pulverized pieces of waste clothing in a horizontal direction.
The method of claim 3, wherein the driving unit,
A first chain sprocket connected to the rotational shaft of the driving motor and a rotational gear connected to the rotational shaft of the main roller blade among the pair of roller blades;
A second chain sprocket connected to a rotational gear connected to the rotational shaft of the drive motor and the rotational shaft of the main second roller blade of the pair of second roller blades;
Fiber powder crushing apparatus comprising a drive pulley connecting the rotation shaft of the drive motor and the rotation shaft of the transfer screw.
According to claim 3,
A vertical transfer unit installed vertically is installed at the end of the transfer unit,
The vertical transfer unit,
A vertical transfer pipe formed in a cylindrical shape and having an upper end bent to be connected to a supply hopper of an adjacent grinding device;
A fiber powder crushing device comprising a transfer fan installed at the lower end to pressurize and transfer the transferred waste clothing powder upward.
delete delete delete

Images