KR20130077043A - Feeder for wood flour - Google Patents

Abstract

PURPOSE: A wood dust provider is provided to offer fine sized wood dust so that an artificial wood material becomes keeping heat. CONSTITUTION: A wood dust provider comprises a selecting part, a discharging part, a ventilating part and a pulverizing part. The selecting part comprises a hole for sucking wood dust and discharging wood dust and space which comprises different sized mesh which are arranged based on the height of the space. The discharging part discharges the selected wood dust to the outside. The ventilating part is equipped in an opening part of the hole for sucking wood part so that the selected wood dust enter the space. The pulverizing part is equipped in the ventilating part.

Description

Wood flour feeder {FEEDER FOR WOOD FLOUR}

The present invention relates to a wood flour feeder, and more particularly, to a wood flour feeder capable of providing only the finely divided wood flour.

Typically in redevelopment areas, old houses are demolished and new buildings are constructed.

However, the pit is built mainly of wood, which is a few years to several decades old, and many timbers are generated to redevelop the pit.

Many of the woods generated to redevelop these houses are extremely limited when recycled to firewood, and artificial wood is manufactured using waste wood.

In order to manufacture artificial wood using waste wood, a collection process of collecting and accumulating waste wood, a grinding process of finely crushing the collected waste wood with sawdust, a process of adding and mixing adhesive to the ground sawdust, The sawdust mixed with the adhesive is made by pressing at high temperature and high pressure, generating high frequency oscillation, and releasing pressure.

1 is a plan view showing the structure of a conventional wood flour feeder.

As shown in the drawing, the conventional wood powder supply apparatus, a collection barrel 10 in which waste wood is collected and contained, and a conveyor belt 20 for receiving a predetermined amount of waste wood from the collection container 10 and transporting it to the grinder side. And, the crusher 30 receives the waste wood from the conveyor belt 20 and the crusher 30, and the wood powder pulverized waste wood in the crusher 30 is introduced into the cyclone to be dried and sterilized by a high-speed rotary airflow It consists of 40.

The collecting container 10 is a member for receiving waste wood collected in a pit or a construction site as described above, and one end of the collecting container 10 may be transported to a crusher 30 by a predetermined amount. It is located on the upper side of one side (20).

Conveyor belt 20 serves to transport the waste wood supplied from the collecting container 10 to the side of the grinder 30 is located at a certain height, the other side of the conveyor belt 20 is located above the grinder 30 do.

The grinder 30 serves to grind the waste wood transported to the inside by a rotation of a grinding blade (not shown) connected to the driving motor 31 provided at one side to a predetermined size, and on the top surface of the grinder 30. The communication tube 50 which makes the 30 and the cyclone 40 communicate is provided.

And, on the communication tube 50 in close proximity to the upper surface of the grinder 30, a separate blower 32 that provides a suction force that can introduce the wood powder of a predetermined size crushed in the grinder 30 into the cyclone 40; ) Is provided.

Cyclone 40 is a high-speed rotary air flow formed in the cyclone 40 of the wood powder of a predetermined size introduced into the interior through the communication tube 50 by the blower 32 after being crushed in the grinder 30 Drying and at the same time serves to sterilize by the collision between the particles.

The wood powder dried and sterilized by the cyclone 40 is discharged to the outside of the cyclone 40 to be supplied to the worker, so that the worker prepares artificial wood by applying heat and pressure after mixing the synthetic resin material and wood powder. .

By the way, in the conventional wood powder supply apparatus, the size of the wood powder dried through the cyclone 40 after being pulverized in the crusher 30 is not constant and has various sizes.

In the case of manufacturing artificial wood using such wood powder, there is a problem that the gap between the wood powder is large, so that the content of wood powder is reduced in the artificial wood, and the amount of the synthetic resin is increased, so that the thermal insulation performance of the artificial wood is degraded.

An object of the present invention devised in view of the above point is to provide a wood powder supply device that can improve the thermal insulation performance of the artificial wood by supplying wood powder of a fine size required for the production of artificial wood.

Wood flour supply apparatus for achieving the object of the present invention as described above, the wood flour inlet hole and wood flour outlet hole is formed on one side and the other side, respectively, has a predetermined internal space and a plurality of meshes having different sizes of mesh balls in the inner space A sorting unit spaced apart from each other along a height direction of the inner space; Discharge means for discharging the wood powder selected by the sorting unit to the outside of the sorting unit; A blower provided at an inlet side of the inflow hole so that wood powder is introduced into the inner space of the sorting unit through the wood powder inlet hole of the sorting unit; Shredding unit for supplying wood powder crushed wood to the blower side; .

Here, the wood powder inlet hole is formed on the lower side of the sorting unit, the wood powder outlet hole is formed on the upper side of the sorting unit and the wood powder flowing into the sorting unit by the blower may be made to flow in the opposite direction of gravity.

The plurality of meshes may include a first mesh, a second mesh, and a third mesh which are sequentially installed along the height direction of the sorting unit, and are formed on the plate surfaces of the first mesh, the second mesh, and the third mesh, respectively. The size of the mesh hole may be formed smaller toward the upper side along the height direction of the sorting portion.

The mesh hole formed in the first mesh may have a size of 100 mesh, the mesh hole formed in the second mesh may have a size of 200 mesh, and the mesh hole formed in the third mesh may have a size of 250 mesh.

The discharge means may include a first roller rotatably installed inside the sorting part to draw out a part of the plurality of meshes spaced at a predetermined interval from the sorting part to the outside of the sorting part, and the outside of the sorting part. It includes a second roller rotatably installed, the mesh may be wound on the outer surface of the first roller and the second roller.

In addition, the outer surface of the sorting portion of the lower side of the plurality of second rollers may be provided with a plurality of collecting members extending to a predetermined length so as to collect the wood powder discharged to the outside of the sorting portion.

The discharge means may include a pedestal provided on one side of an outer surface of the sorting part to draw a part of a plurality of meshes spaced at a predetermined interval from the sorting part to the outside of the sorting part, and the mesh seated on the pedestal to restrain the mesh. It includes a drive motor to be driven to rotate, the mesh is formed in a disk shape having an area larger than the cross section of the sorting portion may be provided rotatably in the drive motor.

In addition, a separate heating wire may be installed at one side of the blower to increase the temperature of the wind blown into the sorting unit.

In addition, the communication pipe connecting the blower and the wood powder inlet hole may be formed to be bent upward so that the resistance of the air does not occur when blowing from the blower to the sorting side.

As described above, the wood powder supply apparatus according to the present invention has an effect of improving the thermal insulation performance of the artificial wood by supplying wood powder having a fine size required for manufacturing the artificial wood.

1 is a plan view showing the structure of a conventional wood powder supply apparatus,
2 is a plan view showing the structure of a wood powder supply apparatus according to an embodiment of the present invention,
3 is a plan view showing the structure of a wood powder supply apparatus according to another embodiment of the present invention.

Hereinafter, the wood powder supply apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a plan view showing the structure of the wood powder supply apparatus according to an embodiment of the present invention, Figure 3 is a plan view showing the structure of the wood powder supply apparatus according to another embodiment of the present invention.

As shown in these drawings, the wood powder supply apparatus according to an embodiment of the present invention, the wood powder inlet hole 110 and the wood powder outlet hole 120 is formed on one side and the other side, respectively, and has a constant internal space 130 The plurality of meshes 140 having different sizes of mesh balls in the inner space 130 are selected from the sorting part 100 and the sorting part 100 at regular intervals along the height direction of the inner space 130. According to the discharge means 200 for discharging the wood powder sorted according to the outside of the sorting unit 100 and the wood powder inlet hole 110 of the sorting unit 100 to the inner space 130 of the sorting unit 100. It comprises a blower 300 provided on the inlet side of the inlet hole 110 and the crusher 400 for supplying wood powder crushed wood to the blower 300 side so that the powder is introduced.

The sorting part 100 is a cylindrical member having a predetermined inner space 130 in which a wood powder inflow hole 110 is formed at one side of the bottom surface and a wood powder outlet hole 120 is formed at one side of the top surface. It serves to be screened according to.

In addition, the wood powder outflow hole 120 is provided with a mesh member 121 having a mesh size of 300 mesh, which is smaller than the size of the 250 mesh formed in the third mesh 143, which will be described later. It is to prevent the outflow to the outside of the (100).

The wood powder inlet hole 110 is formed on one side of the bottom surface of the sorting part 100, and the wood powder outlet hole 120 is formed on the top surface of the sorting part 100 by the blower part 300. This is to allow the wood powder introduced into the screen to be sorted according to the particle size while passing through the mesh 140 while flowing along the direction opposite to the gravity direction.

This is because the wood powder introduced into the sorting unit 100 flows along the direction of gravity or flows along a direction perpendicular to the direction of gravity, and passes through the mesh 140 to be selected according to the size of the particles. If the flow in the direction opposite to the direction of the wood powder rises due to the blowing force of the blower 300 is naturally lowered by gravity, it is possible to quickly perform the sorting according to the size of the wood powder particles while repeating the rise and fall Because it can.

One side of the sorting unit 100 has a plurality of discharge holes 150 to discharge the wood powder selected according to the size of the particle by the mesh 140 to the outside along a height direction of the sorting unit 100 It is formed penetrating at intervals.

In the inner space 130 along a height direction of the sorting part 100, a partial area is positioned in the inner space 130, and the remaining area is extended to the outside of the sorting part 100 through the discharge hole 150. 140 may be spaced apart at regular intervals.

The plurality of meshes 140 may include a first mesh 141, a second mesh 142, and a third mesh 143 that are sequentially installed along the height direction of the sorting unit 100, and the first mesh 141. ), The size of the mesh holes formed on the plate surfaces of the second mesh 142 and the third mesh 143 may be gradually smaller toward the upper side along the height direction of the sorting unit 100.

Therefore, the size of the wood powder particles passing through the mesh hole of the first mesh 141 is larger than the size of the wood powder particles that do not pass through the mesh hole of the first mesh 141, and passes through the mesh holes of the second mesh 142. The size of the wood flour particles is larger than the size of the wood powder particles that do not pass through the second mesh 142, the size of the wood powder particles passing through the mesh hole of the second mesh 143 does not pass through the third mesh (143). Make it larger than the size of the wood powder, so that the wood powder is layered according to the size of the wood.

Here, the mesh hole formed in the first mesh 141 is 100 mesh, the size of the mesh hole formed in the second mesh 142 is 200 mesh, and the size of the mesh hole formed in the third mesh 143 is 250 mesh. Can be formed.

Therefore, while the conventional wood flour feeder does not separate wood flour having a size smaller than 100 mesh, the wood flour feeder according to the present invention may separate wood flour having a size smaller than 100 mesh according to a desired size.

In addition, the unit of mesh is a unit representing the size of particles and is represented by the number of square lattice in an area of 1 inch by 1 inch. For example, since 1 inch = 25.4 mm, when the mesh is 100, a grid of 10 × 10 exists The grid is 2.54 mm in size, 10000 mesh, there is a grid of 100 × 100, the size of the grid is 0.254 mm and 254 micron.

As shown in Figure 2, the discharge means 200 of the wood powder supply apparatus according to an embodiment of the present invention is a sorting unit (a part of a plurality of mesh 140 disposed spaced apart at regular intervals in the sorting unit 100 ( A first roller 210 rotatably installed inside the sorting part 100 and a second roller 220 rotatably installed on the outside of the sorting part 100 so as to be drawn out of the 100. It includes, the mesh 140 may be wound on the outer surface of the first roller 210 and the second roller 220.

The pair of first rollers 210 and the second rollers 220 are installed at the same height, and the mesh 140 wound around the outer circumferential surface thereof is preferably installed horizontally in the selection unit 100, and the mesh 140 is wound on the outer surface of the second roller 220 which is located outside the sorting unit 100 through a discharge hole 150 formed through the outer surface of the sorting unit 100.

Then, the sorting part 100 of the lower side of the plurality of second rollers 220 so as to collect the wood powder discharged to the outside of the sorting unit 100 through the discharge hole 140 by the rotation drive of the mesh 140. The outer surface may be provided with a plurality of collecting members 230 formed to extend a predetermined length to the outside.

The collecting member 230 is formed to extend to the outside of the sorting unit 100 to be flat for a certain length, the end thereof is formed to be bent upwards to collect the wood powder collected at the end of the collecting member 230 flat It is effective to be collected on the side of the plate.

As shown in FIG. 3, the discharge means 200 of the wood powder supplying device according to another embodiment of the present invention may include a portion of a plurality of meshes 140 that are spaced apart at regular intervals from the sorting unit 100. A pedestal 240 provided on one side of the outer surface of the sorting unit 100 to be drawn out of the 100 and a drive motor 250 mounted on the pedestal 240 to drive the mesh 140 to rotate It includes, the mesh 140 is formed in a disk shape having an area larger than the cross section of the selection unit 100 may be rotatably provided in the drive motor 250.

The radius of the mesh 140 formed in a disk shape is formed at least larger than the width of the sorting part 100 so that the plate surface of the mesh 140 may be located from one side to the other side of the inner space 130 of the sorting part 100. It is desirable to.

The upper surface of the mesh 140 may be spaced apart from the discharge hole 150 so that the wood powder selected on the upper surface of the mesh 140 may be discharged to the outside of the sorting unit 100 by the rotation of the mesh 140. It is effective to be deployed.

The center of the plate surface of the mesh 140 is fixedly coupled to the driving motor 250 so that the mesh 140 is eccentrically rotated so that the area of the plate surface positioned inside the selection unit 100 is always the same. It is desirable to avoid.

The blowing unit 300 serves to blow and supply wood powder formed by the wood crushed by the shredding unit 400 into the sorting unit 100, and the wood powder supplied into the sorting unit 100 is sorted unit ( 100 to flow inside so as to be screened according to the particle size of the wood powder.

The blower 300 may not only supply wood powder to the inside of the sorting unit 100, but may increase the temperature of wind blown into the sorting unit 100 on one side thereof so as to dry the wood powder. A separate heating wire 310 may be installed so as to.

By blowing air heated to a predetermined temperature by the heating wire 310 installed on one side to the sorting unit 100, the wood powder supplied to the inside of the sorting unit 100 is dried, so that the wood powder particles and the wood powder particles can be easily separated. So that sorting can be done quickly.

In addition, the communication pipe 160 connecting the air blowing unit 300 and the wood powder inlet 110 may be formed to be bent upward so that air resistance does not occur during air blowing from the air blowing unit 400 to the sorting unit 100. Can be.

That is, the air blown by the blower 300 moves along the inner wall surface of the communication tube 160 in which the heated air supplied to the inside of the sorting unit 100 is formed to be bent. It is effective to allow the wood powder to flow inside the sorting unit 100 so that the blowing force is not lowered.

The crushing unit 400 is a member that serves to form wood powder having various sizes of particles by crushing the supplied wood by using the cutter 410 rotatably provided therein when wood is supplied.

The operation of the wood powder supply apparatus according to the present invention having such a configuration is as follows.

First, the waste wood is supplied to the shredding unit 400 to be shredded into wood powder having various sizes, and then the shredded wood powder is supplied to the sorting unit 100 using the blower 300.

At this time, the air blown from the blower 300 to the inner space 130 of the sorting unit 100 is supplied with air heated to a predetermined temperature to supply wood powder to the inner space 130 of the sorting unit 100. Allow the wood flour to dry together.

In addition, since the communication tube 160, which serves as a passage through which wood powder is supplied into the sorting unit 100, is formed to be bent upward, the blowing force blown from the blowing unit 300 to the inside of the sorting unit 100 is not lowered. It is to be delivered to the upper portion of the sorting unit 100, so that the wood flour flows in the inner space 130 of the sorting unit 100 to be sorted according to the particle size of the wood powder.

Looking at the process of sorting the wood powder according to the particle size, when the wood powder of various sizes is introduced into the sorting unit 100 by the blower 300, the wood powder having a particle size of 100 mesh or less is the first mesh 141. After passing through, the wood flour that is less than 200 mesh among the wood flour passes through the second mesh 142 again.

At this time, wood powder having a particle size of 100 mesh or less and 200 mesh or more is collected on the upper surface of the first mesh 141, and wood powders of 250 mesh or less pass through the third mesh 143 and wood powder of 200 mesh or less and 250 mesh or more are made of wood. 2 is collected on the upper surface of the mesh (142).

Then, the wood powder having a particle size of 250 mesh or less and 300 mesh or more is collected on the upper surface of the third mesh 143, and the wood powder having a particle size of 300 mesh or less passes through the mesh member 121 and then the wood powder outlet hole 120. It flows out of the sorting unit 100 through the.

The wood powder collected according to the size of the particles through the above-described process is discharged to the outside of the sorting unit by the discharge means 200, in the case of the wood powder supply apparatus according to an embodiment of the present invention, the wood powder is sorted by the conveyor method Is discharged to the outside of the 100, in the case of the wood powder supply apparatus according to another embodiment of the present invention, the wood powder is discharged to the outside of the sorting unit 100 by the rotation of the mesh (200).

If the artificial wood is manufactured using wood powder of 200 mesh or less selected according to the size of the particles as described above, the voids between the wood powder and the wood powder are small, thereby reducing the amount of synthetic resin to be added as well as the wood powder. By increasing the content, the thermal insulation performance of the artificial wood can be improved.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It is to be understood that both the technical idea and the technical spirit of the invention are included in the scope of the present invention.

100: sorting unit 110: wood powder inflow hole
120: wood powder outlet 121: mesh member
130: internal space 140: mesh
141: first mesh 142: second mesh
143: third mesh 150: discharge hole
200: discharge means 210: first roller
220: second roller 230: collecting member
240: pedestal 250: drive motor
300: blower 310: heating wire
400: crushing unit 410: cutter

Claims (9)

A sorting unit in which wood powder inlets and wood powder outlets are formed at one side and the other side, respectively, and have a predetermined inner space, and a plurality of meshes having different sizes of mesh balls in the inner space are spaced at regular intervals along a height direction of the inner space;
Discharge means for discharging the wood powder selected by the sorting unit to the outside of the sorting unit;
A blower provided at an inlet side of the inflow hole so that wood powder is introduced into the inner space of the sorting unit through the wood powder inlet hole of the sorting unit;
Shredding unit for supplying wood powder crushed wood to the blower side;
Wood flour feeder comprising a. The method of claim 1,
The wood powder inlet hole is formed in the lower side of the sorting unit, the wood powder outlet hole is formed in the upper side of the sorting unit, the wood powder supply unit, characterized in that the wood powder flowing into the sorting unit flows in the opposite direction to the gravity direction . The method of claim 2,
The plurality of meshes may include a first mesh, a second mesh, and a third mesh that are sequentially installed along the height direction of the sorting unit, and mesh holes formed on the plate surfaces of the first mesh, the second mesh, and the third mesh, respectively. The size of the wood flour feeder, characterized in that formed smaller toward the upper side along the height direction of the sorting portion. The method of claim 3,
The mesh hole formed in the first mesh is 100 mesh, the size of the mesh hole formed in the second mesh is 200 mesh, and the size of the mesh hole formed in the third mesh is 250 mesh. . The method of claim 1,
The discharge means may include a first roller rotatably installed inside the sorting part so as to draw a part of a plurality of meshes spaced at a predetermined interval to the sorting part outside the sorting part, and rotate outside the sorting part. And a second roller that can be installed, wherein the mesh is wound around outer surfaces of the first roller and the second roller. The method of claim 5,
Wood collecting equipment, characterized in that a plurality of collection members are formed on the outer surface of the sorting portion below the plurality of second rollers extending to a predetermined length so as to collect wood powder discharged to the outside of the sorting. The method of claim 1,
The discharge means is a pedestal provided on one side of the outer surface of the sorting unit so as to withdraw a portion of the plurality of meshes spaced at a predetermined interval to the sorting unit outside the sorting unit, and is mounted on the pedestal to drive the mesh to rotate It comprises a drive motor to be made, wherein the mesh is formed in a disk shape having a larger area than the cross-section of the sorting portion wood flour supply apparatus, characterized in that rotatably provided in the drive motor. 8. The method according to any one of claims 1 to 7,
One side of the blower is wood flour supply device, characterized in that a separate heating wire is installed to increase the temperature of the wind blown into the sorting unit. 9. The method of claim 8,
The communication pipe connecting the blower and the wood powder inlet hole is characterized in that the wood feeder characterized in that it is bent upwards so as not to generate resistance of air when blowing from the blower to the sorting side.

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